CN105135142A - Malposition heating plate - Google Patents
Malposition heating plate Download PDFInfo
- Publication number
- CN105135142A CN105135142A CN201510654705.XA CN201510654705A CN105135142A CN 105135142 A CN105135142 A CN 105135142A CN 201510654705 A CN201510654705 A CN 201510654705A CN 105135142 A CN105135142 A CN 105135142A
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- China
- Prior art keywords
- heating plate
- plate body
- dislocation
- screw thread
- screw rod
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/34—Heating of pipes or pipe systems using electric, magnetic or electromagnetic fields, e.g. induction, dielectric or microwave heating
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses a malposition heating plate which comprises a heating plate body which is arranged ringwise, wherein the heating plate body is provided with a first end and a second end; the first end and second end are both provided with an electrical-heating connector; the first end and second end are arranged in a malposition mode along the thickness direction of the heating plate body; the distance between the first end and the second end is matched with the screw pitch of to-be-abutted steel belt helical bellows; the width of the heating plate body is larger than the thickness of the steel belt helical bellows; the projection part of the first end covers the second end along the thickness direction of the heating plate body. By designing the heating plate into a malpositon structure and matching the distance between first end and second end of the heating plate body with the screw pitch of the steel belt helical bellows, arc parts of the abutted pipe opening of two abutted pipes can be subjected to non-malposition abutting during the abutting of the pipes, the abutted pipes are ensured to difficultly generate stress concentration and crack at the abutted part, and further the leaking can be prevented effectively.
Description
Technical field
The present invention relates to ribbon spiral bellows manufacturing technology field, particularly relate to for ribbon spiral bellows butt welding dislocation heating plate.
Background technique
Ribbon spiral bellows is a kind of is matrix with plastics, at the winding structure pipe of its surface coating binding resin steel band compound, is generally used for the various draining in municipal administration, industry, agricultural and traffic engineering construction and drainage.As shown in Figure 1, existing ribbon spiral bellows comprises inner plastic 100, the steel belt layer 200 be spirally wound on inner plastic 100, be wound with plastic outer layer 300 at steel belt layer 200 and inner plastic 100 external spiral, the flange 220 that steel belt layer 200 comprises circular arc part 210 and is connected with circular arc part 210 end, flange 220 is extended towards the side at the center away from circular arc part 210 by the end of circular arc part 210, is formed with cavity 400 between circular arc part 210 and inner plastic 100.At present when carrying out butt welding to the tubing of this class formation, normally adopting the mode of the truncation mouth of pipe, then adopting plane annular heating plate to carry out butt welding to tubing.But owing to being formed with cavity between the circular arc part 210 of steel belt layer 200 and inner plastic 100, if the truncation mouth of pipe can make the otch of the circular arc part 210 on two tubing of docking cannot realize dislocation-free docking when docking, the easy situation occurring dislocation, and then make in the concrete using process of tubing after docking, this docking location easily produces stress and concentrates and crackle, finally causes tubing to occur the situation of leaking.
Summary of the invention
The object of the present invention is to provide a kind of dislocation heating plate, its structure is simple, and the steel belt layer part in ribbon spiral bellows can be made to realize dislocation-free docking, and joint not easily produces stress and concentrates and crackle.
For reaching this object, the present invention by the following technical solutions:
A kind of dislocation heating plate is provided, comprise the heating plate body arranged ringwise, described heating plate body has first end and the second end, described first end and described second end are provided with electric heating joint, along described heating plate body thickness direction described in first end and described second end be that stagger arrangement is arranged, and the distance between described first end with described second end matches with the pitch of ribbon spiral bellows to be docked, the width of described heating plate body is greater than the thickness of described ribbon spiral bellows;
Along described heating plate body thickness direction described in first end projection section cover described second end.
As a kind of preferred version of dislocation heating plate, the spacing adjusting device for adjusting the distance between described first end and described second end is set between described first end and described second end.
By setting space controlling device, dislocation heating plate can be made to be applicable to the docking heating of the ribbon spiral bellows of different pitch, to improve the versatility of dislocation heating plate.
As a kind of preferred version of dislocation heating plate, described spacing adjusting device comprises adjusting screw rod, described adjusting screw rod is each passed through described first end and described second end, be positioned on described adjusting screw rod at described first end be arranged with the first stop nut near the side of described second end, be positioned on described adjusting screw rod at described second end be arranged with the second stop nut near the side of described first end.
By arranging adjusting screw rod and the first stop nut, the second stop nut, two adjusting nuts can be rotated when needing to heat the ribbon spiral bellows of different pitch, first end is matched with the pitch of corresponding ribbon spiral bellows with the distance of the second end, two stop nuts be simultaneously arranged on inside first end and the second end can effectively prevent heating plate after the distance that misplaces tunes up, under its own resilient effect, spring back to initial position.
As a kind of preferred version of dislocation heating plate, be positioned on described adjusting screw rod at described first end be arranged with the 3rd stop nut away from the side of described second end, be positioned on described adjusting screw rod at described second end be arranged with the 4th stop nut away from the side of described first end.
By the arranged outside stop nut at first end and the second end, can, when the dislocation distance of heating plate needs to turn down, effectively prevent heating plate under its own resilient effect, springing back to initial position.
As a kind of preferred version of dislocation heating plate, described first end offers first tapped hole corresponding with described adjusting screw rod, described second end offers second tapped hole corresponding with described adjusting screw rod, in described first tapped hole, the first screw thread is set, in described second tapped hole, the second screw thread is set, wherein, described first screw thread is contrary with the rotation direction of described second screw thread, described adjusting screw rod Shang Yanqi center is symmetrical arranged two sections of screw threads, be respectively the 3rd screw thread and the 4th screw thread, described 3rd screw thread is corresponding with described first screw thread, described 4th screw thread is corresponding with described second screw thread.
By being provided with the tapped hole of the contrary screw thread of rotation direction on first end and the second end, and on adjusting screw rod respectively the screw thread of corresponding two rotation directions the screw thread of two sections of different rotation directions is set, can when rotation adjusting screw rod, first end and the second end is made to move towards both centers or move away from center simultaneously, adjusting screw rod can also be realized limit the distance between first end and the second end simultaneously, prevent heating plate under its own resilient effect, springing back to initial position.
As a kind of preferred version of dislocation heating plate, be symmetrical arranged two suspended and fixed device in the periphery of heating plate body.
By arranging suspended and fixed device, can whole dislocation heating plate be lifted between two mouths of pipe to be docked by instruments such as drivings, convenient operation.
As a kind of preferred version of dislocation heating plate, described suspended and fixed device is the hanger be fixedly connected with described heating plate body.
As a kind of preferred version of dislocation heating plate, described suspended and fixed device comprises the connecting plate removably connected with described heating plate body, described connecting plate is fixedly installed towards the connecting rod tilted away from described first end or described second end.
As a kind of preferred version of dislocation heating plate, described heating plate body has metal heat-conducting housing, in described metal heat-conducting housing, be evenly distributed with electric heating wire.
As a kind of preferred version of dislocation heating plate, one deck Teflon layer is set outside described metal heat-conducting housing.
Described metal heat-conducting housing is made of copper.
Beneficial effect of the present invention is: dislocation heating plate provided by the invention is by being set to misconstruction by heating plate, and the pitch of distance between the first end of heating plate body and the second end and ribbon spiral bellows matches, can when this tubing of docking, tubing is cut out the docking mouth of pipe along Hand of spiral, docking nozzle position is non-planar structure, when docking, the circular arc part at the docking mouth of pipe place of the tubing of two docking can realize dislocation-free docking, ensure that the tubing after docking is not easy to produce stress at joint and concentrates and crackle, and then effectively prevent from leaking.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of existing ribbon spiral bellows.
Fig. 2 is the structural representation of the dislocation heating plate described in one embodiment of the invention.
Fig. 3 is the schematic side view of Fig. 2.
Fig. 4 is the structural representation of the dislocation heating plate described in another embodiment of the present invention.
In Fig. 1:
100, inner plastic; 200, steel belt layer; 210, circular arc part; 220, flange; 300, plastic outer layer; 400, cavity.
In Fig. 2 to 4:
1, heating plate body; 11, first end; 12, the second end; 2, electric heating joint; 3, adjusting screw rod; 4, the first stop nut; 5, the second stop nut; 6, the 3rd stop nut; 7, the 4th stop nut; 8, suspended and fixed device; 81, connecting plate; 82, connecting rod.
Embodiment
Technological scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
As shown in Figures 2 and 3, the dislocation heating plate of embodiments of the invention comprises the heating plate body 1 arranged ringwise, heating plate body 1 has first end 11 and the second end 12, first end 11 and the second end 12 are provided with electric heating joint 2, along thickness direction first end 11 and the setting in stagger arrangement of the second end 12 of heating plate body 1, and the distance between first end 11 with the second end 12 matches with the pitch of ribbon spiral bellows to be docked, the width of heating plate body 1 is greater than the thickness of ribbon spiral bellows, projection section along the thickness direction first end 11 of heating plate body 1 covers the second end 12.By heating plate is set to misconstruction, and the pitch of distance between the first end 11 of heating plate body 1 and the second end 12 and ribbon spiral bellows matches, can when this tubing of docking, tubing is cut out the docking mouth of pipe along Hand of spiral, docking nozzle position is non-planar structure, when docking, the circular arc part at the docking mouth of pipe place of the tubing of two docking can realize dislocation-free docking, ensure that the tubing after docking is not easy to produce stress at joint and concentrates and crackle, and then effectively prevent from leaking.
Two suspended and fixed device 8 are symmetrical arranged in the periphery of heating plate body 1.By arranging suspended and fixed device 8, can whole dislocation heating plate be lifted between two mouths of pipe to be docked by instruments such as drivings, convenient operation.
In the present embodiment, suspended and fixed device 8 comprises the connecting plate 81 removably connected with heating plate body 1, connecting plate 81 is fixedly installed towards the connecting rod 82 tilted away from first end 11 or the second end 12.
In other embodiments, suspended and fixed device 8 can also for the hanger be fixedly connected with heating plate body 1.
Heating plate body 1 has metal heat-conducting housing, in metal heat-conducting housing, be evenly distributed with electric heating wire.One deck Teflon layer is set outside metal heat-conducting housing.Teflon (full name: teflon, English: Polytetrafluoroethene, english abbreviation: PTFE), be commonly called as " King ", it has following characteristic: 1, not viscosity: nearly all material does not bond with polytetrafluoroethylcoating coating films, and very thin film also demonstrates well not adhesion property; 2, heat resistance: polytetrafluoroethylcoating coating films has excellent heat-resisting and low temperature tolerance characteristics, short time can be high temperature resistant to 300 DEG C, generally can use continuously between 240 DEG C ~ 260 DEG C, have significant thermostability, it can work and not brittle under cryogenic temperature, does not at high temperature melt; 3, sliding: polytetrafluoroethylcoating coating films has lower friction factor, when load is slided, friction factor changes, but numerical value is only between 0.05 ~ 0.15; 4, moisture resistance: polytetrafluoroethylcoating coating films without water stained on its surface and oil, is also not easily stained with solution during production operation, and as being stained with a small amount of dirt, simple wiping can be removed, and dead time is short, saves man-hour and can increase work efficiency; 5, wearability: under high load, has excellent wear-resisting property, under certain load, possesses wear-resistant and inadhesive two-fold advantage; 6, corrosion resistance: teflon corrodes by medicine hardly; can bear except the alkali metal of melting, fluorinated dielectric and the effect higher than all strong acid (comprising chloroazotic acid), strong oxidizer, reducing agent and the various organic solvent except 300 DEG C of sodium hydroxide, part can be protected to avoid suffering the chemical corrosion of any kind.
In the present embodiment, metal heat-conducting housing is made of copper.
As shown in Figure 4, the difference of another embodiment of the present invention and above-described embodiment is only, spacing adjusting device is added in the present embodiment, concrete, the spacing adjusting device for adjusting the distance between first end 11 and the second end 12 is set between first end 11 and the second end 12.By setting space controlling device, dislocation heating plate can be made to be applicable to the docking heating of the ribbon spiral bellows of different pitch, to improve the versatility of dislocation heating plate.
Concrete, spacing adjusting device comprises adjusting screw rod 3, adjusting screw rod 3 is each passed through first end 11 and the second end 12, be positioned on adjusting screw rod 3 at first end 11 be arranged with the first stop nut 4 near the side of the second end 12, be positioned on adjusting screw rod 3 at the second end 12 be arranged with the second stop nut 5 near the side of first end 11.By arranging adjusting screw rod 3 and the first stop nut 4, second stop nut 5, two adjusting nuts can be rotated when needing to heat the ribbon spiral bellows of different pitch, first end 11 is matched with the pitch of corresponding ribbon spiral bellows with the distance of the second end 12, two stop nuts be simultaneously arranged on inside first end 11 and the second end 12 can effectively prevent heating plate after the distance that misplaces tunes up, under its own resilient effect, spring back to initial position.
Be positioned on adjusting screw rod 3 at first end 11 be arranged with the 3rd stop nut 6 away from the side of the second end 12, be positioned on adjusting screw rod 3 at the second end 12 be arranged with the 4th stop nut 7 away from the side of first end 11.By the arranged outside stop nut at first end 11 and the second end 12, can, when the dislocation distance of heating plate needs to turn down, effectively prevent heating plate under its own resilient effect, springing back to initial position.
Spacing adjusting device is not limited to the structure of the cooperation of above-mentioned adjusting screw rod 3 and stop nut, following structure can also be adopted, first end 11 such as, offer first tapped hole corresponding with adjusting screw rod 3, second end 12 offers second tapped hole corresponding with adjusting screw rod 3, first screw thread is set in the first tapped hole, second screw thread is set in the second tapped hole, wherein, first screw thread is contrary with the rotation direction of the second screw thread, adjusting screw rod 3 Shang Yanqi center is symmetrical arranged two sections of screw threads, be respectively the 3rd screw thread and the 4th screw thread, 3rd screw thread is corresponding with the first screw thread, 4th screw thread is corresponding with the second screw thread.By being provided with the tapped hole of the contrary screw thread of rotation direction on first end 11 and the second end 12, and on adjusting screw rod 3 respectively the screw thread of corresponding two rotation directions the screw thread of two sections of different rotation directions is set, can when rotation adjusting screw rod 3, first end 11 and the second end 12 is made to move towards both centers or move away from center simultaneously, the distance that simultaneously can also realize between adjusting screw rod 3 pairs of first ends 11 and the second end 12 limits, and prevents heating plate under its own resilient effect, springing back to initial position.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1. a dislocation heating plate, it is characterized in that, comprise the heating plate body arranged ringwise, described heating plate body has first end and the second end, described first end and described second end are provided with electric heating joint, along described heating plate body thickness direction described in first end and described second end be that stagger arrangement is arranged, and the distance between described first end with described second end matches with the pitch of ribbon spiral bellows to be docked, the width of described heating plate body is greater than the thickness of described ribbon spiral bellows;
Along described heating plate body thickness direction described in first end projection section cover described second end.
2. dislocation heating plate according to claim 1, is characterized in that, arranges the spacing adjusting device for adjusting the distance between described first end and described second end between described first end and described second end.
3. dislocation heating plate according to claim 2, it is characterized in that, described spacing adjusting device comprises adjusting screw rod, described adjusting screw rod is each passed through described first end and described second end, be positioned on described adjusting screw rod at described first end be arranged with the first stop nut near the side of described second end, be positioned on described adjusting screw rod at described second end be arranged with the second stop nut near the side of described first end.
4. dislocation heating plate according to claim 3, it is characterized in that, be positioned on described adjusting screw rod at described first end be arranged with the 3rd stop nut away from the side of described second end, be positioned on described adjusting screw rod at described second end be arranged with the 4th stop nut away from the side of described first end.
5. dislocation heating plate according to claim 3, it is characterized in that, described first end offers first tapped hole corresponding with described adjusting screw rod, described second end offers second tapped hole corresponding with described adjusting screw rod, in described first tapped hole, the first screw thread is set, in described second tapped hole, the second screw thread is set, wherein, described first screw thread is contrary with the rotation direction of described second screw thread, described adjusting screw rod Shang Yanqi center is symmetrical arranged two sections of screw threads, be respectively the 3rd screw thread and the 4th screw thread, described 3rd screw thread is corresponding with described first screw thread, described 4th screw thread is corresponding with described second screw thread.
6. the dislocation heating plate according to any one of claim 1 to 5, is characterized in that, is symmetrical arranged two suspended and fixed device in the periphery of heating plate body.
7. dislocation heating plate according to claim 6, is characterized in that, described suspended and fixed device is the hanger be fixedly connected with described heating plate body.
8. dislocation heating plate according to claim 6, it is characterized in that, described suspended and fixed device comprises the connecting plate removably connected with described heating plate body, described connecting plate is fixedly installed towards the connecting rod tilted away from described first end or described second end.
9. the dislocation heating plate according to any one of claim 1 to 5, is characterized in that, described heating plate body has metal heat-conducting housing, in described metal heat-conducting housing, be evenly distributed with electric heating wire.
10. dislocation heating plate according to claim 9, is characterized in that, outside described metal heat-conducting housing, arrange one deck Teflon layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510654705.XA CN105135142A (en) | 2015-10-12 | 2015-10-12 | Malposition heating plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510654705.XA CN105135142A (en) | 2015-10-12 | 2015-10-12 | Malposition heating plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105135142A true CN105135142A (en) | 2015-12-09 |
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ID=54720608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510654705.XA Pending CN105135142A (en) | 2015-10-12 | 2015-10-12 | Malposition heating plate |
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| CN (1) | CN105135142A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1190171A (en) * | 1996-11-22 | 1998-08-12 | 日荣樱天客株式会社 | Pipe-supporting holder |
| CN1888506A (en) * | 2006-07-28 | 2007-01-03 | 浙江枫叶集团有限公司 | Plain end screw pipe and processing method thereof |
| CN1887576A (en) * | 2006-07-28 | 2007-01-03 | 浙江枫叶集团有限公司 | Spiral port welding technology for spiral pipeline |
| WO2007006865A1 (en) * | 2005-07-08 | 2007-01-18 | Oy Kwh Pipe Ab | Method and device for joining pipes |
| CN201023892Y (en) * | 2007-04-13 | 2008-02-20 | 昆山吉海实业公司 | Bridge-shape connector |
| CN201437864U (en) * | 2009-05-20 | 2010-04-14 | 镇海石化工程有限责任公司 | Adjustable bracket for industrial pipeline |
| CN102661448A (en) * | 2012-05-25 | 2012-09-12 | 四川燎源工程设备有限公司 | Adjustable hoisting device for light pipelines |
| CN202955332U (en) * | 2012-12-12 | 2013-05-29 | 广州文冲船厂有限责任公司 | Rigid self-supporting structure for rubber short pipe |
-
2015
- 2015-10-12 CN CN201510654705.XA patent/CN105135142A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1190171A (en) * | 1996-11-22 | 1998-08-12 | 日荣樱天客株式会社 | Pipe-supporting holder |
| WO2007006865A1 (en) * | 2005-07-08 | 2007-01-18 | Oy Kwh Pipe Ab | Method and device for joining pipes |
| CN1888506A (en) * | 2006-07-28 | 2007-01-03 | 浙江枫叶集团有限公司 | Plain end screw pipe and processing method thereof |
| CN1887576A (en) * | 2006-07-28 | 2007-01-03 | 浙江枫叶集团有限公司 | Spiral port welding technology for spiral pipeline |
| CN201023892Y (en) * | 2007-04-13 | 2008-02-20 | 昆山吉海实业公司 | Bridge-shape connector |
| CN201437864U (en) * | 2009-05-20 | 2010-04-14 | 镇海石化工程有限责任公司 | Adjustable bracket for industrial pipeline |
| CN102661448A (en) * | 2012-05-25 | 2012-09-12 | 四川燎源工程设备有限公司 | Adjustable hoisting device for light pipelines |
| CN202955332U (en) * | 2012-12-12 | 2013-05-29 | 广州文冲船厂有限责任公司 | Rigid self-supporting structure for rubber short pipe |
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| PB01 | Publication | ||
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Application publication date: 20151209 |