CN107676076A - Ice auger strain-type aperture logging instrument - Google Patents

Abstract

The ice drilling strain type aperture logging instrument of the invention belongs to the technical field of ice layer drilling and detection equipment. The present invention provides an ice drilling strain type aperture logging instrument, which is composed of an upper connecting part, an upper centralizing device, a sealing device, an aperture measuring device, a lower centralizing device and a lower connecting part. The ice drill strain type aperture logging instrument provided by the present invention uses strain gauges to detect the elastic deformation of the tension rod to measure the borehole aperture, which has high test accuracy and is less affected by the environment; the centralizing device uses springs to push multiple groups of angle irons close to the hole wall, The effect is stable and reliable, and the logging tool can work stably in the ultra-low temperature environment of Antarctic-60°C.

Description

Ice Drilling Strain Aperture Logging Tool

technical field

The invention relates to the technical field of ice layer drilling and detection equipment, in particular to an ice drilling strain type aperture logging instrument.

Background technique

The scientific research on the Antarctic and Arctic ice sheets can be used to analyze the change of the earth's climate, and drilling is one of the necessary means for the scientific research on the two polar ice sheets. During the drilling process in deep ice layers, under the action of the pressure difference in the hole, the ice layer will be strained and the hole wall will be unstable, causing the hole body to deform such as shrinking and expanding the diameter, forming cavities and the collapse of the hole wall, and finally leading to the collapse of the hole or Serious accidents such as drill sticking. Therefore, timely monitoring of the borehole diameter change in the ice layer is an important prerequisite for the protection of the borehole wall in the deep ice layer at the poles.

Contents of the invention

The technical problem to be solved by the invention is that the existing aperture logging instrument cannot be applied to the -60°C ultra-low temperature environment of the Antarctic and the Arctic. For this reason, the invention provides an ice drill strain type aperture logging instrument. The technical scheme adopted in the present invention is an ice drill strain type aperture logging instrument, which is composed of an upper connecting part, an upper centralizing device, a sealing device, an aperture measuring device, a lower centralizing device and a lower Composition of connecting parts.

The specific technical solution adopted by the present invention is an ice drilling strain type aperture logging instrument, which is characterized in that the ice drilling strain type aperture logging instrument consists of an upper connecting part, an upper righting device, a sealing device, an aperture measuring device, The lower centralizing device and the lower connecting part are composed; the upper connecting part is composed of the upper joint body 1, the upper joint seat 2, the upper short pipe joint 3, the upper cone 4 and the first short joint 5; the upper joint seat 2 is hinged on the upper The joint body 1; the upper short pipe joint 3 is hinged on the upper joint seat 2; the upper cone 4 is threaded to the lower end of the upper short pipe joint 3; the upper righting device consists of a first round nut 6, a second round nut 7, a second An angle iron 8, the first long connecting rod 9, the first positioning sleeve 10, the first long connecting rod sleeve 11, the first short connecting rod sleeve 12, the first spring 13, the upper central shaft 14, the second short connecting rod sleeve 15. The second long connecting rod 16, the first short connecting rod 17, the second long connecting rod sleeve 18, the second positioning sleeve 19, the second angle iron 20, the third long connecting rod 21, the second short connecting rod 22, The fourth long connecting rod 23, the third round nut 24 and the fourth round nut 25 are composed; the upper end of the upper central shaft 14 is screwed to the first short-connection 5; A short connecting rod sleeve 12, the first spring 13, the second short connecting rod sleeve 15, the second long connecting rod sleeve 18 and the second positioning sleeve 19 are assembled on the outer wall of the upper central shaft 14 from top to bottom, and can be aligned along the upper central shaft. 14 moves axially and is fixed by the first round nut 6, the second round nut 7, the third round nut 24 and the fourth round nut 25; the upper end of the first angle iron 8 is hinged to the first long connecting rod 9, and the second The lower end of an angle iron 8 is hinged to the second long connecting rod 16; the first long connecting rod 9 is hinged to the first long connecting rod sleeve 11; the lower end of the second long connecting rod 16 is hinged to the second long connecting rod sleeve 18, The middle part of the two long connecting rods 16 is hinged on the first short connecting rod 17; the upper end of the first short connecting rod 17 is hinged on the second short connecting rod sleeve 15; the first angle iron 8, the first long connecting rod 9, the second long connecting rod The rod 16 and the first short connecting rod 17 are in 3 groups, and are evenly distributed around the upper central axis 14; the upper end of the second angle iron 20 is hinged to the third long connecting rod 21, and the lower end of the second angle iron 20 is hinged to the fourth long connecting rod. Connecting rod 23; the upper end of the third long connecting rod 21 is hinged on the first long connecting rod sleeve 11, and the middle part of the third long connecting rod 21 is hinged on the second short connecting rod 22; the lower end of the second short connecting rod 22 is hinged on the first A short connecting rod sleeve 12; the upper end of the fourth long connecting rod 23 is hinged to the second long connecting rod sleeve 18; the second angle iron 20, the third long connecting rod 21, the second short connecting rod 22, the fourth long connecting rod 23 are 3 groups, and are evenly distributed around the upper central axis 14; the sealing device is composed of the second short connection 26, the transition joint 27, the first hexagonal slotted nut 28, the first flange 29, the mandrel 30, the first The sealing joint seat 31, the sealing pipe 32, the second sealing head seat 33, the second flange 34 and the second hexagonal slotted nut 35 are composed; the upper end of the second short connection 26 is threadedly connected to the lower end of the upper central shaft 14; the second The first flange 29 and the second flange 34 evenly distribute 4 positioning holes around the central axis; the first sealing joint seat 31, the sealing pipe 32 and the second sealing joint seat 33 are 4 groups, and the first flange 29 and the second sealing joint seat Two ways The positioning hole of the flange 34 is positioned; the upper end of the sealing pipe 32 is threaded to the first sealing joint seat 31, and the lower end of the sealing pipe 32 is threaded to the second sealing joint seat 33; the first sealing joint seat 31 is inserted into the first flange 29 positioning hole; the second sealing joint seat 33 is inserted into the positioning hole of the second flange 34; the mandrel 30 is inserted into the central hole of the first flange 29 and the second flange 34, and the upper end of the mandrel 30 is threaded to connect the first six Angle slotted nut 28, the lower end of the mandrel 30 is threaded to the second hexagonal slotted nut 35; the upper end of the first flange 29 is connected to the transition joint 27 with bolts; the upper end of the transition joint 27 is threaded to the second short-connection 26; The aperture measuring device is composed of a tensioning rod base 36, a third short connection 37, a strain gauge 38, a tensioning rod 39, a short pipe 40, a fourth short connection 41, a third flange 42 and a fifth short connection 43; The upper end of the tensioning rod base 36 is connected to the second flange 34 with bolts; the upper end of the tensioning rod 39 is fixed on the outer wall of the tensioning rod base 36 with screws, and the thickness of the B part of the tensioning rod 39 is 1.6 to 6mm. The outer side of the lower end of the rod 39 is close to the hole wall. When the hole diameter changes, the deformation at B will change, so as to ensure that the lower end of the tension rod 39 is always close to the hole wall, and the bore hole diameter is obtained by detecting the strain value at B; At B of the tension rod 39, when the well diameter changes, the strain at B of the tension rod 39 is detected, and the borehole diameter is calculated by the demodulation module; there are 12 sets of strain gauges 38 and tension rods 39, which can detect Drilling radius values in 12 directions; the upper end of the third short connection 37 is threaded to the tension rod base 36, the lower end of the third short connection 37 is threaded to the short pipe 40; the lower end of the short pipe 40 is threaded to the fourth Short connection 41; the fourth short connection 41 is threaded to connect the third flange 42; the center hole at the lower end of the third flange 42 is threaded to connect the fifth short connection 43; the lower supporting device is composed of the fifth round nut 44, the sixth Round nut 45, third positioning sleeve 46, third long connecting rod sleeve 47, fifth long connecting rod 48, third short connecting rod 49, third short connecting rod sleeve 50, third angle iron 51, second spring 52, lower Central shaft 53, fourth short connecting rod sleeve 54, fourth long connecting rod sleeve 55, sixth long connecting rod 56, fourth positioning sleeve 57, seventh short connecting rod 58, fourth angle iron 59, fourth short connecting rod Rod 60, the eighth long connecting rod 61, the seventh round nut 62 and the eighth round nut 63; Connect 64; the third positioning sleeve 46, the third long connecting rod sleeve 47, the third short connecting rod sleeve 50, the second spring 52, the fourth short connecting rod sleeve 54, the fourth long connecting rod sleeve 55, the fourth positioning sleeve 57 is assembled on the outer wall of the lower central shaft 53 from top to bottom, and can move axially along the lower central shaft 53, and is composed of the fifth round nut 44, the sixth round nut 45, the seventh round nut 62 and the eighth round nut 63 fixed; the upper end of the third angle iron 51 is hinged to the fifth long connecting rod 48, the lower end of the third angle iron 51 is hinged to the sixth long connecting rod 56; the upper end of the fifth long connecting rod 48 is hinged to the third long connecting rod sleeve 47, the fifth long connecting rod The middle part of 48 is hinged on the third short connecting rod 49; the upper end of the third short connecting rod 49 is hinged on the third short connecting rod sleeve 50; the upper end of the sixth long connecting rod 56 is hinged on the fourth long connecting rod sleeve 55; the third angle iron 51. The fifth long connecting rod 48, the sixth long connecting rod 56 and the third short connecting rod 49 are 3 groups, and are evenly distributed around the lower central axis 53; the upper end of the fourth angle iron 59 is hinged to the seventh long connecting rod 58 , the lower end of the fourth angle iron 59 is hinged to the eighth long connecting rod 61; the lower end of the seventh long connecting rod 58 is hinged to the third long connecting rod sleeve 47; the lower end of the eighth long connecting rod 61 is hinged to the fourth long connecting rod sleeve 55, the middle part of the eighth long connecting rod 61 is hinged to the lower end of the fourth short connecting rod 60; the upper end of the fourth short connecting rod 60 is hinged to the fourth short connecting rod sleeve 54; the fourth angle iron 59, the seventh long connecting rod The rod 58, the fourth short connecting rod 60 and the eighth long connecting rod 61 are 3 groups, and are evenly distributed around the lower central axis 53; 66. The lower joint seat 67 and the lower joint body 68 are composed; the upper end of the sixth short joint 64 is screwed to the lower center hole of the lower central shaft 53; the upper end of the central hole of the lower cone 65 is screwed to the sixth short joint 64; The upper end of the short pipe joint 66 is threadedly connected to the lower end central hole of the lower cone 65; the lower joint seat 67 is hinged to the lower short pipe joint 66;

The ice drill strain type aperture logging instrument provided by the present invention uses strain gauges to detect the elastic deformation of the tension rod to measure the borehole aperture, which has high test accuracy and is less affected by the environment; the centralizing device uses springs to push multiple groups of angle irons close to the hole wall, The effect is stable and reliable, and the logging instrument can work stably in the ultra-low temperature environment of -60°C in Antarctica.

Description of drawings

Fig. 1 is a schematic structural diagram of an ice drill strain borehole logging tool according to an embodiment of the present invention.

Fig. 2 is a plan view of the structure of the ice drilling strain type aperture logging tool of the embodiment of the present invention

Fig. 3 is a cross-sectional view of the structure of the ice drill strain borehole logging tool according to the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a sealing device according to an embodiment of the present invention.

Fig. 5 is a cross-sectional view of the structure of the sealing device according to the embodiment of the present invention.

Fig. 6 is a schematic diagram of the structure of the tension rod according to Embodiment 1 of the present invention.

Fig. 7 is a schematic structural diagram of the tension rod according to Embodiment 2 of the present invention.

Reference signs of equipment and instruments included in the figure:

1. Upper joint body; 2. Upper joint seat; 3. Upper short pipe joint; 4. Upper cone; 5. First short connection; 6. First round nut; 7. Second round nut; 8. First Angle iron; 9, the first long connecting rod; 10, the first positioning sleeve; 11, the first long connecting rod sleeve; 12, the first short connecting rod sleeve; 13, the first spring; 14, the upper central shaft; 15, The second short connecting rod sleeve; 16, the second long connecting rod; 17, the second short connecting rod; 18, the second long connecting rod sleeve; 19, the second positioning sleeve; 20, the second angle iron; 21, the third Long connecting rod; 22, second short connecting rod; 23, fourth long connecting rod; 24, third round nut; 25, fourth round nut; 26, second short connection; 27, transition joint; 28, first Hexagonal slotted nut; 29, first flange; 30, mandrel; 31, first sealing joint seat; 32, sealing tube; 33, second sealing joint seat; 34, second flange; 35, second Hexagonal slotted nut; 36, tension rod base; 37, third short connection; 38, strain gauge; 39, tension rod; 40, short tube; 41, fourth short connection; 42, third flange; 43. The fifth short connection; 44. The fifth round nut; 45. The sixth round nut; 46. The third positioning sleeve; 47. The third long connecting rod sleeve; 48. The fifth long connecting rod; 49. The third short Connecting rod; 50, the third short connecting rod sleeve; 51, the third angle iron; 52, the second spring; 53, the lower central shaft; 54, the fourth short connecting rod sleeve; 55, the fourth long connecting rod sleeve; 56, the first Six long connecting rods; 57, the fourth positioning sleeve; 58, the seventh short connecting rod; 59, the fourth angle iron; 60, the fourth short connecting rod; 61, the eighth long connecting rod; 62, the seventh round nut; 63, the eighth round nut; 64, the sixth short connection; 65, the lower cone; 66, the lower short pipe joint; 67, the lower joint seat; 68, the lower joint body.

detailed description

The present invention will be described in detail below with specific embodiments, but not limited thereto.

Example 1

As shown in Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, and Figure 6.

An ice drilling strain type aperture logging instrument is composed of an upper connecting part, an upper centralizing device, a sealing device, an aperture measuring device, a lower centralizing device and a lower connecting part; the upper connecting part consists of an upper joint body 1, an upper joint seat 2. The upper short pipe joint 3, the upper cone 4 and the first short connection 5 are composed; the upper joint seat 2 is hinged on the upper joint body 1; the upper short pipe joint 3 is hinged on the upper joint seat 2; the upper cone 4 is connected by threads The lower end of the upper short pipe joint 3; the upper righting device consists of the first round nut 6, the second round nut 7, the first angle iron 8, the first long connecting rod 9, the first positioning sleeve 10, the first long connecting rod Sleeve 11, first short connecting rod sleeve 12, first spring 13, upper central shaft 14, second short connecting rod sleeve 15, second long connecting rod 16, first short connecting rod 17, second long connecting rod sleeve 18 , the second positioning sleeve 19, the second angle iron 20, the third long connecting rod 21, the second short connecting rod 22, the fourth long connecting rod 23, the third round nut 24 and the fourth round nut 25; the upper central shaft The upper end of 14 is connected with the first short-connection 5 by thread; The connecting rod sleeve 18 and the second positioning sleeve 19 are assembled on the outer wall of the upper central shaft 14 from top to bottom, and can move axially along the upper central shaft 14, and are formed by the first round nut 6, the second round nut 7, and the third round nut. The nut 24 and the fourth round nut 25 are fixed; the upper end of the first angle iron 8 is hinged on the first long connecting rod 9, and the lower end of the first angle iron 8 is hinged on the second long connecting rod 16; the first long connecting rod 9 is hinged on The first long connecting rod sleeve 11; the lower end of the second long connecting rod 16 is hinged to the second long connecting rod sleeve 18, and the middle part of the second long connecting rod 16 is hinged to the first short connecting rod 17; the upper end of the first short connecting rod 17 Hinged to the second short connecting rod sleeve 15; the first angle iron 8, the first long connecting rod 9, the second long connecting rod 16 and the first short connecting rod 17 are 3 groups, and are evenly distributed around the central axis 14; The upper end of the second angle iron 20 is hinged to the third long connecting rod 21, the lower end of the second angle iron 20 is hinged to the fourth long connecting rod 23; the upper end of the third long connecting rod 21 is hinged to the first long connecting rod sleeve 11, the second The middle part of the three long connecting rods 21 is hinged to the second short connecting rod 22; the lower end of the second short connecting rod 22 is hinged to the first short connecting rod sleeve 12; the upper end of the fourth long connecting rod 23 is hinged to the second long connecting rod sleeve 18; The second angle iron 20, the third long connecting rod 21, the second short connecting rod 22, and the fourth long connecting rod 23 are 3 groups, and are evenly distributed around the central axis 14; the sealing device is connected by the second short 26. Transition joint 27, first hexagonal slotted nut 28, first flange 29, mandrel 30, first sealing joint seat 31, sealing tube 32, second sealing head seat 33, second flange 34 and the first Two hexagonal slotted nuts 35 are formed; the upper end of the second short-connection 26 is threadedly connected to the lower end of the upper central shaft 14; the first flange 29 and the second flange 34 evenly distribute 4 positioning holes around the central shaft; the first seal The joint seat 31, the sealing pipe 32 and the second sealing joint seat 33 are 4 groups, and are positioned by the positioning holes of the first flange 29 and the second flange 34; the upper end of the sealing pipe 32 is screwed to the first sealing joint seat 3 1. The lower end of the sealing tube 32 is threaded to the second sealing joint seat 33; the first sealing joint seat 31 is inserted into the positioning hole of the first flange 29; the second sealing joint seat 33 is inserted into the positioning hole of the second flange 34; the core The shaft 30 is inserted into the central hole of the first flange 29 and the second flange 34, the upper end of the mandrel 30 is threaded to the first hexagonal slotted nut 28, and the lower end of the mandrel 30 is threaded to the second hexagonal slotted nut 28. Nut 35; the upper end of the first flange 29 is connected with a bolt to the transition joint 27; the upper end of the transition joint 27 is threaded to connect the second short connection 26; 38. Tensioning rod 39, short pipe 40, fourth short-connection 41, third flange 42 and fifth short-connection 43; the upper end of the tensioning rod base 36 is connected to the second flange 34 with bolts; tensioning rod 39 The upper end of the tension rod is fixed on the outer wall of the tension rod base 36 with screws, the thickness of the B of the tension rod 39 is 1.6mm, and the outer side of the lower end of the tension rod 39 is close to the hole wall. The deformation changes to ensure that the lower end of the tension rod 39 is always close to the hole wall, and the borehole diameter is obtained by detecting the strain value at B; the strain gauge 38 is pasted on the B of the tension rod 39. The strain at B of the tension rod 39 is calculated by the demodulation module to obtain the borehole diameter; there are 12 sets of strain gauges 38 and tension rods 39, which can detect the drilling radius values in 12 directions; the third short-circuit 37 The upper end is threaded to the tensioning rod base 36, the lower end of the third short joint 37 is threaded to the short pipe 40; the lower end of the short pipe 40 is threaded to the fourth short joint 41; the fourth short joint 41 is threaded to the third flange 42; the center hole at the lower end of the third flange 42 is threadedly connected to the fifth short-joint 43; the lower centralizing device is composed of the fifth round nut 44, the sixth round nut 45, the third positioning sleeve 46, and the third long connecting rod sleeve 47. The fifth long connecting rod 48, the third short connecting rod 49, the third short connecting rod sleeve 50, the third angle iron 51, the second spring 52, the lower central shaft 53, the fourth short connecting rod sleeve 54, the fourth long connecting rod Rod sleeve 55, the sixth long connecting rod 56, the fourth positioning sleeve 57, the seventh short connecting rod 58, the fourth angle iron 59, the fourth short connecting rod 60, the eighth long connecting rod 61, the seventh round nut 62 and The eighth round nut 63 is formed; the upper end of the lower central shaft 53 is threaded to the fifth short-joint 43, and the lower end of the lower central shaft 53 is threaded to the sixth short-joint 64; the third positioning sleeve 46, the third long connecting rod sleeve 47 , the third short connecting rod sleeve 50, the second spring 52, the fourth short connecting rod sleeve 54, the fourth long connecting rod sleeve 55, and the fourth positioning sleeve 57 are assembled on the outer wall of the lower central shaft 53 from top to bottom, and can be The lower central shaft 53 moves axially and is fixed by the fifth round nut 44, the sixth round nut 45, the seventh round nut 62 and the eighth round nut 63; the upper end of the third angle iron 51 is hinged to the fifth long connecting rod 48, The lower end of the third angle iron 51 is hinged to the sixth long connecting rod 56; the upper end of the fifth long connecting rod 48 is hinged to the third long connecting rod sleeve 47, and the middle part of the fifth long connecting rod 48 is hinged to the third short connecting rod 49; The upper hinge of three short connecting rods 49 connected to the third short connecting rod sleeve 50; the upper end of the sixth long connecting rod 56 is hinged to the fourth long connecting rod sleeve 55; the third angle iron 51, the fifth long connecting rod 48, the sixth long connecting rod 56 and the third short connecting rod The rods 49 are in 3 groups, and are evenly distributed around the lower central axis 53; the upper end of the fourth angle iron 59 is hinged to the seventh long connecting rod 58, and the lower end of the fourth angle iron 59 is hinged to the eighth long connecting rod 61; The lower end of the connecting rod 58 is hinged to the third long connecting rod sleeve 47; the lower end of the eighth long connecting rod 61 is hinged to the fourth long connecting rod sleeve 55, and the middle part of the eighth long connecting rod 61 is hinged to the fourth short connecting rod 60. The lower end; the upper end of the fourth short connecting rod 60 is hinged to the fourth short connecting rod sleeve 54; the fourth angle iron 59, the seventh long connecting rod 58, the fourth short connecting rod 60 and the eighth long connecting rod 61 are 3 groups, and evenly distributed around the lower central axis 53; the lower connecting part is composed of the sixth short connection 64, the lower cone 65, the lower short pipe joint 66, the lower joint seat 67 and the lower joint body 68; the upper end of the sixth short connection 64 Connect the lower end center hole of the lower central shaft 53 with threads; the upper end of the center hole of the lower cone 65 is threaded to connect the sixth short-joint 64; the upper end of the lower short pipe joint 66 is threaded to connect the lower end center hole of the lower cone 65; The seat 67 is hinged to the lower short pipe joint 66 ; the lower joint body 68 is hinged to the lower joint seat 67 .

Example 2

As shown in Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, and Figure 7.

An ice drilling strain type aperture logging instrument is composed of an upper connecting part, an upper centralizing device, a sealing device, an aperture measuring device, a lower centralizing device and a lower connecting part; the upper connecting part consists of an upper joint body 1, an upper joint seat 2. The upper short pipe joint 3, the upper cone 4 and the first short connection 5 are composed; the upper joint seat 2 is hinged on the upper joint body 1; the upper short pipe joint 3 is hinged on the upper joint seat 2; the upper cone 4 is connected by threads The lower end of the upper short pipe joint 3; the upper righting device consists of the first round nut 6, the second round nut 7, the first angle iron 8, the first long connecting rod 9, the first positioning sleeve 10, the first long connecting rod Sleeve 11, first short connecting rod sleeve 12, first spring 13, upper central shaft 14, second short connecting rod sleeve 15, second long connecting rod 16, first short connecting rod 17, second long connecting rod sleeve 18 , the second positioning sleeve 19, the second angle iron 20, the third long connecting rod 21, the second short connecting rod 22, the fourth long connecting rod 23, the third round nut 24 and the fourth round nut 25; the upper central shaft The upper end of 14 is connected with the first short-connection 5 by thread; The connecting rod sleeve 18 and the second positioning sleeve 19 are assembled on the outer wall of the upper central shaft 14 from top to bottom, and can move axially along the upper central shaft 14, and are formed by the first round nut 6, the second round nut 7, and the third round nut. The nut 24 and the fourth round nut 25 are fixed; the upper end of the first angle iron 8 is hinged on the first long connecting rod 9, and the lower end of the first angle iron 8 is hinged on the second long connecting rod 16; the first long connecting rod 9 is hinged on The first long connecting rod sleeve 11; the lower end of the second long connecting rod 16 is hinged to the second long connecting rod sleeve 18, and the middle part of the second long connecting rod 16 is hinged to the first short connecting rod 17; the upper end of the first short connecting rod 17 Hinged to the second short connecting rod sleeve 15; the first angle iron 8, the first long connecting rod 9, the second long connecting rod 16 and the first short connecting rod 17 are 3 groups, and are evenly distributed around the central axis 14; The upper end of the second angle iron 20 is hinged to the third long connecting rod 21, the lower end of the second angle iron 20 is hinged to the fourth long connecting rod 23; the upper end of the third long connecting rod 21 is hinged to the first long connecting rod sleeve 11, the second The middle part of the three long connecting rods 21 is hinged to the second short connecting rod 22; the lower end of the second short connecting rod 22 is hinged to the first short connecting rod sleeve 12; the upper end of the fourth long connecting rod 23 is hinged to the second long connecting rod sleeve 18; The second angle iron 20, the third long connecting rod 21, the second short connecting rod 22, and the fourth long connecting rod 23 are 3 groups, and are evenly distributed around the central axis 14; the sealing device is connected by the second short 26. Transition joint 27, first hexagonal slotted nut 28, first flange 29, mandrel 30, first sealing joint seat 31, sealing tube 32, second sealing head seat 33, second flange 34 and the first Two hexagonal slotted nuts 35 are formed; the upper end of the second short-connection 26 is threadedly connected to the lower end of the upper central shaft 14; the first flange 29 and the second flange 34 evenly distribute 4 positioning holes around the central shaft; the first seal The joint seat 31, the sealing pipe 32 and the second sealing joint seat 33 are 4 groups, and are positioned by the positioning holes of the first flange 29 and the second flange 34; the upper end of the sealing pipe 32 is screwed to the first sealing joint seat 3 1. The lower end of the sealing tube 32 is threaded to the second sealing joint seat 33; the first sealing joint seat 31 is inserted into the positioning hole of the first flange 29; the second sealing joint seat 33 is inserted into the positioning hole of the second flange 34; the core The shaft 30 is inserted into the central hole of the first flange 29 and the second flange 34, the upper end of the mandrel 30 is threaded to the first hexagonal slotted nut 28, and the lower end of the mandrel 30 is threaded to the second hexagonal slotted nut 28. Nut 35; the upper end of the first flange 29 is connected with a bolt to the transition joint 27; the upper end of the transition joint 27 is threaded to connect the second short connection 26; 38. Tensioning rod 39, short pipe 40, fourth short-connection 41, third flange 42 and fifth short-connection 43; the upper end of the tensioning rod base 36 is connected to the second flange 34 with bolts; tensioning rod 39 The upper end of the tension rod 39 is fixed on the outer wall of the tension rod base 36 with screws, the thickness of the B part of the tension rod 39 is 6mm, and the outer side of the lower end of the tension rod 39 is close to the hole wall. Changes occur to ensure that the lower end of the tension rod 39 is always close to the hole wall, and the borehole diameter is obtained by detecting the strain value at B; The strain at B of the rod 39 is calculated by the demodulation module to obtain the borehole diameter; there are 12 sets of strain gauges 38 and tension rods 39, which can detect the drilling radius values in 12 directions; the third short connects the upper end of 37 The tension rod base 36 is threadedly connected, the lower end of the third short joint 37 is threaded to the short pipe 40; the lower end of the short pipe 40 is threaded to the fourth short joint 41; the fourth short joint 41 is threaded to the third flange 42 The center hole of the lower end of the third flange 42 is threaded to connect the fifth short-connection 43; the lower centralizing device is composed of the fifth round nut 44, the sixth round nut 45, the third positioning sleeve 46, and the third long connecting rod sleeve 47 , the fifth long connecting rod 48, the third short connecting rod 49, the third short connecting rod sleeve 50, the third angle iron 51, the second spring 52, the lower central shaft 53, the fourth short connecting rod sleeve 54, the fourth long connecting rod Sleeve 55, the sixth long connecting rod 56, the fourth positioning sleeve 57, the seventh short connecting rod 58, the fourth angle iron 59, the fourth short connecting rod 60, the eighth long connecting rod 61, the seventh round nut 62 and the first Eight round nuts 63 are formed; the upper end of the lower central shaft 53 is threaded to connect the fifth short joint 43, and the lower end of the lower central shaft 53 is threaded to connect the sixth short joint 64; the third positioning sleeve 46, the third long connecting rod sleeve 47, The third short connecting rod sleeve 50, the second spring 52, the fourth short connecting rod sleeve 54, the fourth long connecting rod sleeve 55, and the fourth positioning sleeve 57 are assembled on the outer wall of the lower central shaft 53 from top to bottom, and can be moved along the bottom. The central shaft 53 moves axially and is fixed by the fifth round nut 44, the sixth round nut 45, the seventh round nut 62 and the eighth round nut 63; the upper end of the third angle iron 51 is hinged to the fifth long connecting rod 48, and the The lower end of triangle iron 51 is hinged on the sixth long connecting rod 56; the upper end of the fifth long connecting rod 48 is hinged on the third long connecting rod sleeve 47, and the middle part of the fifth long connecting rod 48 is hinged on the third short connecting rod 49; The upper end of short connecting rod 49 is hinged on The third short connecting rod sleeve 50; the upper end of the sixth long connecting rod 56 is hinged to the fourth long connecting rod sleeve 55; the third angle iron 51, the fifth long connecting rod 48, the sixth long connecting rod 56 and the third short connecting rod 49 3 groups, and evenly distributed around the lower central axis 53; the upper end of the fourth angle iron 59 is hinged to the seventh long connecting rod 58, and the lower end of the fourth angle iron 59 is hinged to the eighth long connecting rod 61; the seventh long connecting rod The lower end of 58 is hinged to the third long connecting rod sleeve 47; the lower end of the eighth long connecting rod 61 is hinged to the fourth long connecting rod sleeve 55, and the middle part of the eighth long connecting rod 61 is hinged to the lower end of the fourth short connecting rod 60; The upper end of the fourth short connecting rod 60 is hinged to the fourth short connecting rod sleeve 54; the fourth angle iron 59, the seventh long connecting rod 58, the fourth short connecting rod 60 and the eighth long connecting rod 61 are 3 groups, and are wound around The lower central axis 53 is evenly distributed; the lower connecting part is composed of the sixth short joint 64, the lower cone 65, the lower short pipe joint 66, the lower joint seat 67 and the lower joint body 68; the upper end of the sixth short joint 64 is threaded Connect the lower end central hole of the lower central shaft 53; the upper end of the central hole of the lower cone 65 is threaded to connect the sixth short connector 64; the upper end of the lower short pipe joint 66 is threaded to the lower end central hole of the lower cone 65; the lower joint seat 67 Hinged to the lower short pipe joint 66; the lower joint body 68 is hinged to the lower joint seat 67.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, corresponding changes and substitutions can be made according to the technical scheme and inventive concept of the present invention, and the same performance or use should be regarded as the protection scope of the present invention.

Claims (1)

1. An ice drilling strain type aperture logging instrument is characterized in that, the ice drilling strain type aperture logging instrument is composed of an upper connecting part, an upper centralizing device, a sealing device, an aperture measuring device, a lower centralizing device and a lower connecting part Composition; the upper connection part is composed of upper joint body (1), upper joint seat (2), upper short pipe joint (3), upper cone (4) and first short connection (5); upper joint seat ( 2) Hinged to the upper joint body (1); the upper short pipe joint (3) is hinged to the upper joint seat (2); the upper cone (4) is threaded to the lower end of the upper short pipe joint (3); the upper righting The device consists of the first round nut (6), the second round nut (7), the first angle iron (8), the first long connecting rod (9), the first positioning sleeve (10), the first long connecting rod sleeve ( 11), the first short connecting rod sleeve (12), the first spring (13), the upper central shaft (14), the second short connecting rod sleeve (15), the second long connecting rod (16), the first short connecting rod Rod (17), second long connecting rod sleeve (18), second positioning sleeve (19), second angle iron (20), third long connecting rod (21), second short connecting rod (22), first Four long connecting rods (23), the third round nut (24) and the fourth round nut (25) are composed; the upper end of the upper central shaft (14) is threaded to the first short-connection (5); the first positioning sleeve (10 ), the first long connecting rod sleeve (11), the first short connecting rod sleeve (12), the first spring (13), the second short connecting rod sleeve (15), the second long connecting rod sleeve (18) and the first The two positioning sleeves (19) are assembled on the outer wall of the upper central shaft (14) from top to bottom, and can move axially along the upper central shaft (14), and are formed by the first round nut (6), the second round nut (7) , the third round nut (24) and the fourth round nut (25) are fixed; the upper end of the first angle iron (8) is hinged to the first long connecting rod (9), and the lower end of the first angle iron (8) is hinged to the first Two long connecting rods (16); the first long connecting rod (9) is hinged to the first long connecting rod sleeve (11); the lower end of the second long connecting rod (16) is hinged to the second long connecting rod sleeve (18), The middle part of the second long connecting rod (16) is hinged to the first short connecting rod (17); the upper end of the first short connecting rod (17) is hinged to the second short connecting rod sleeve (15); the first angle iron (8), The first long connecting rod (9), the second long connecting rod (16) and the first short connecting rod (17) are 3 groups, and are evenly distributed around the upper central axis (14); the upper end of the second angle iron (20) Hinged to the third long connecting rod (21), the lower end of the second angle iron (20) is hinged to the fourth long connecting rod (23); the upper end of the third long connecting rod (21) is hinged to the first long connecting rod sleeve ( 11), the middle part of the third long connecting rod (21) is hinged to the second short connecting rod (22); the lower end of the second short connecting rod (22) is hinged to the first short connecting rod sleeve (12); the fourth long connecting rod The upper end of bar (23) is hinged on the second long connecting rod sleeve (18); the second angle iron (20), the third long connecting rod (21), the second short connecting rod (22), the fourth long connecting rod ( 23) are 3 groups, and are evenly distributed around the upper central axis (14); (28), first flange (29), mandrel (30), first sealing joint seat (31), sealing tube (32), second sealing head seat (33), second flange (34) and The second hexagonal slotted nut (35) is formed; the upper end of the second short-connection (26) is threadedly connected to the lower end of the upper central shaft (14); the first flange (29) and the second flange (34) circle the center Four positioning holes are evenly distributed on the shaft; the first sealing joint seat (31), the sealing pipe (32) and the second sealing joint seat (33) are in 4 groups, and the first flange (29) and the second flange ( 34) positioning hole positioning; the upper end of the sealing tube (32) is threaded to the first sealing joint seat (31), and the lower end of the sealing tube (32) is threaded to the second sealing joint seat (33); the first sealing joint seat (31) insert into the positioning hole of the first flange (29); insert the second sealing joint seat (33) into the positioning hole of the second flange (34); insert the mandrel (30) into the first flange (29) and the second In the central hole of the two flanges (34), the upper end of the mandrel (30) is threaded to connect the first hexagonal slotted nut (28), and the lower end of the mandrel (30) is threaded to connect the second hexagonal slotted nut ( 35); the upper end of the first flange (29) is connected with bolts to the transition joint (27); the upper end of the transition joint (27) is threaded to connect the second short-connection (26); the aperture measuring device consists of a tension rod base 36, The third short (37), the strain gauge (38), the tension rod (39), the short pipe (40), the fourth short (41), the third flange (42) and the fifth short (43) Composition; the upper end of the tensioning rod base (36) is connected with the second flange (34) with bolts; the upper end of the tensioning rod (39) is fixed on the outer wall of the tensioning rod base (36) with screws, and the tensioning rod (39) ) at B is 1.6-6mm in thickness, and the outside of the lower end of the tensioning rod (39) is close to the hole wall; the strain gauge (38) is pasted on the B of the tensioning rod (39); the strain gauge (38) and the tensioning rod (39) has 12 groups in total, and can detect the drilling radius value on 12 directions; Connect the short pipe (40); the lower end of the short pipe (40) is threaded to connect the fourth short (41); the fourth short (41) is threaded to the third flange (42); the third flange (42) The center hole at the lower end of the lower end is threadedly connected to the fifth short-joint (43); the lower centralizing device is composed of the fifth round nut (44), the sixth round nut (45), the third positioning sleeve (46), the third long connecting rod Cover (47), the fifth long connecting rod (48), the third short connecting rod (49), the third short connecting rod sleeve (50), the third angle iron (51), the second spring (52), the lower center shaft ( 53), the fourth short connecting rod sleeve (54), the fourth long connecting rod sleeve (55), the sixth long connecting rod (56), the fourth positioning sleeve (57), the seventh short connecting rod (58), the Square iron (59), the 4th short connecting rod (60), the 8th long connecting rod (61), the 7th round nut (62) and the 8th round nut (63); The upper end of the mandrel (53) is threaded to the fifth short-connection (43), and the lower end of the lower center shaft (53) is threaded to the sixth short-connection (64); the third positioning sleeve (46), the third long connecting rod sleeve (47), the third short connecting rod sleeve (50), the second spring (52), the fourth short connecting rod sleeve (54), the fourth long connecting rod sleeve (55), the fourth positioning sleeve (57) from It is assembled on the outer wall of the lower central shaft (53) from top to bottom, and can move axially along the lower central shaft (53), and is composed of the fifth round nut (44), the sixth round nut (45), the seventh round nut ( 62) and the eighth round nut (63) are fixed; the upper end of the third angle iron (51) is hinged on the fifth long connecting rod (48), and the lower end of the third angle iron (51) is hinged on the sixth long connecting rod (56); the fifth The upper end of the long connecting rod (48) is hinged on the third long connecting rod sleeve (47), and the middle part of the fifth long connecting rod (48) is hinged on the third short connecting rod (49); the third short connecting rod (49) The upper end is hinged on the third short connecting rod sleeve (50); the upper end of the sixth long connecting rod (56) is hinged on the fourth long connecting rod sleeve (55); the third angle iron (51), the fifth long connecting rod (48), The sixth long connecting rod (56) and the third short connecting rod (49) are 3 groups, and are evenly distributed around the lower central axis (53); the upper end of the fourth angle iron (59) is hinged on the seventh long connecting rod (58 ), the lower end of the fourth angle iron (59) is hinged on the eighth long connecting rod (61); the lower end of the seventh long connecting rod (58) is hinged on the third long connecting rod sleeve (47); the eighth long connecting rod ( The lower end of 61) is hinged on the fourth long connecting rod sleeve (55), the middle part of the eighth long connecting rod (61) is hinged on the lower end of the fourth short connecting rod (60); the upper end of the fourth short connecting rod (60) is hinged In the fourth short connecting rod sleeve (54); the fourth angle iron (59), the seventh long connecting rod (58), the fourth short connecting rod (60) and the eighth long connecting rod (61) are 3 groups, and Evenly distributed around the lower central axis (53); the lower connecting part is composed of the sixth short-joint (64), the lower cone (65), the lower short pipe joint (66), the lower joint seat (67) and the lower joint body ( 68) to form; the upper end of the sixth short-connection (64) is threaded to the lower end central hole of the lower central shaft (53); the upper end of the central hole of the lower cone (65) is threaded to the sixth short-connection (64); the lower short The upper end of the pipe joint (66) is threadedly connected to the lower end center hole of the lower cone (65); the lower joint seat (67) is hinged to the lower short pipe joint (66); the lower joint body (68) is hinged to the lower joint seat (67 ).