CN212957266U - Experimental grouting sleeve for adjusting axial positioning of reinforcing steel bar - Google Patents
Experimental grouting sleeve for adjusting axial positioning of reinforcing steel bar Download PDFInfo
- Publication number
- CN212957266U CN212957266U CN202021665102.2U CN202021665102U CN212957266U CN 212957266 U CN212957266 U CN 212957266U CN 202021665102 U CN202021665102 U CN 202021665102U CN 212957266 U CN212957266 U CN 212957266U
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- Prior art keywords
- axial positioning
- sleeve
- adjusting
- sleeve body
- pipe
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- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims description 7
- 239000011440 grout Substances 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000007569 slipcasting Methods 0.000 claims abstract description 8
- 244000309464 bull Species 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 17
- 239000002002 slurry Substances 0.000 claims description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000741 silica gel Substances 0.000 claims description 12
- 229910002027 silica gel Inorganic materials 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 14
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 14
- 241001330002 Bambuseae Species 0.000 abstract description 12
- 239000011425 bamboo Substances 0.000 abstract description 12
- 238000007599 discharging Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 241000209128 Bambusa Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model belongs to the architectural equipment field especially relates to adjustment reinforcing bar axial positioning's grout sleeve for experiments, including the sleeve body that radially is equipped with slip casting pipe and grout discharge pipe, the slip casting pipe is located grout discharge hollow shaft below, still includes the axial positioning mechanism that can dismantle the connection with the sleeve body, the outside snap ring of sleeve body is located to axial positioning mechanism including two coaxial sleeves, and the coaxial bearing that has preset in two snap ring anchor ring correspondences, and the bull stick both ends an organic whole of bearing fit installation is connected with adjusting screw on two snap ring, adjusting screw and the internal screw thread spare threaded connection who sets firmly on the location section of thick bamboo outer wall that is the round platform form.
Description
Technical Field
The utility model belongs to the architectural equipment field especially relates to adjustment bar axial positioning's grout sleeve for experiments.
Background
Along with the continuous popularization of prefabricated assembly type building technology, the connection stability between the prefab also is more and more important, adopts grout sleeve to connect the reinforcing bar between the prefab among the prior art to come the locking interlock reinforcing bar of two prefabs through the thick liquids, thereby realize the connection of two prefabs.
Because the connection of the steel bar and the sleeve in the full grouting sleeve is completely occluded by the solidified slurry, the determination of proper construction parameters through grouting tests under different conditions is very important. The grouting test mainly depends on the support to fix the sleeve and the steel bars arranged above and below the sleeve, and then grouting is carried out and various performance parameters are measured subsequently.
However, in the above experiments, care was taken to provide two bars as co-axially as possible, thus improving the overall connection. However, how to quickly adjust the axial positioning of the steel bars, the whole process is complicated, and in the prior art, the end of the sleeve is provided with a positioning ring structure to position the steel bars, for example, a patent document with the publication number of CN207812840U, so that the cost is increased, and the size of the positioning ring structure or a supporting mechanism with similar functions cannot be adjusted, and cannot meet the positioning application of a plurality of types of steel bars.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an adjustment bar axial positioning's grout sleeve for experiments, the utility model discloses simple structure can realize the axial positioning of reinforcing bar and sleeve body fast, can dismantle the connected mode moreover and can make the utility model provides an axial positioning mechanism is applied to a plurality of sleeve bodies repeatedly, practices thrift the cost.
In order to solve the technical problem, the utility model discloses a technical scheme as follows:
adjust grout sleeve for experiment of reinforcing bar axial positioning, including the sleeve body that radially is equipped with slip casting pipe and grout discharging pipe, the slip casting pipe is located grout discharging pipe axial below, still includes the axial positioning mechanism of dismantling the connection with the sleeve body, axial positioning mechanism includes that the outside snap ring of sleeve body is located to two coaxial covers, and the coaxial bearing that has preset in two snap ring anchor ring correspondences, and the bull stick both ends an organic whole that cooperates the installation with two snap rings upper bearing is connected with adjusting screw, the internal screw thread spare threaded connection that sets firmly on adjusting screw and the location section of thick bamboo outer wall that is the round platform form.
Preferably, the thread turning directions of the adjusting screws at the two ends of the rotating rod are opposite, the positioning cylinders on the two adjusting screws are coaxially arranged with the sleeve body, and the ports with smaller diameters of the positioning cylinders are arranged towards the corresponding ports of the sleeve body.
Preferably, the inner wall of the bottom of the port with the smaller diameter of the positioning cylinder is provided with a sealing silica gel layer, and the center of the sealing silica gel layer is provided with a through hole.
Preferably, the outer wall of the positioning cylinder is provided with a plurality of sealing rings.
Preferably, the clamping ring is provided with an assembly notch for passing through the grouting pipe and the slurry discharge pipe, and the two clamping rings are arranged between the grouting pipe and the slurry discharge pipe.
Preferably, the ring surface of the clamping ring, which is far away from the rotating rod, is also provided with a mounting block, and an internal thread hole is preset in the mounting block and is in threaded fit with the mounting screw.
The utility model discloses the working process is as follows:
firstly, the axial positioning mechanism is assembled with the sleeve body, the assembling gap of the snap ring is arranged corresponding to the grouting pipe and the slurry discharge pipe of the sleeve body, then the axial positioning mechanism is axially moved, the assembly gap of the clamping ring passes over the grouting pipe and the slurry discharge pipe, finally the two clamping rings are positioned between the grouting pipe and the slurry discharge pipe, then the mounting screws are rotated relative to the mounting block, so that the two mounting screws move back to back and respectively abut against the grouting pipe and the slurry discharge pipe, and the assembly connection of the axial positioning mechanism and the sleeve body is realized, then rotate the bull stick and drive two adjusting screw and rotate, two location section of thick bamboo are coaxial opposite direction removal (can carry out circumference spacing with hand or other instrument to a location section of thick bamboo, prevent that a location section of thick bamboo from rotating along with adjusting screw's rotation), until the less coaxial port that gets into the corresponding port of sleeve body of end of the diameter of a location section of thick bamboo, the outer wall cooperation sealing washer shutoff sleeve body port of colleague location section of thick bamboo.
Then insert two reinforcing bars respectively from the great end department of the diameter of two location section of thick bamboos to this is internal from the through-hole department entering sleeve of sealing silica gel layer center department, the inserting of reinforcing bar can make the sealing silica gel layer take place deformation, so the reinforcing bar can be laminated as far as possible on the sealing silica gel layer, thereby realize the sealed effect of later stage slip casting. And finally, injecting slurry into the sleeve body from the grouting pipe, after solidification, separating the axial positioning mechanism from the sleeve body according to the reverse operation, and applying the axial positioning mechanism to the operation of other sleeve bodies.
Compared with the prior art, the utility model, have following advantage: the utility model discloses simple structure can realize the axial positioning of reinforcing bar and sleeve body fast, can dismantle the connected mode moreover and can make the utility model provides an axial positioning mechanism is applied to a plurality of sleeve bodies repeatedly, practices thrift the cost.
Drawings
Fig. 1 is a schematic structural view of an experimental grouting sleeve for adjusting the axial positioning of reinforcing steel bars in a specific embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the experimental grouting sleeve for adjusting the axial positioning of the reinforcing steel bar comprises a sleeve body 1 radially provided with a grouting pipe 11 and a grout outlet pipe 12, wherein the grouting pipe 11 is positioned below the grout outlet pipe 12 in the axial direction, and the experimental grouting sleeve further comprises an axial positioning mechanism detachably connected with the sleeve body 1, the axial positioning mechanism comprises two snap rings 2 coaxially sleeved outside the sleeve body, bearings are coaxially preset at the ring surfaces of the two snap rings 2, two ends of a rotating rod 22 installed in a matched manner with the bearings on the two snap rings 2 are integrally connected with an adjusting screw 23, and the adjusting screw 23 is in threaded connection with an internal thread piece 33 fixedly arranged on the outer wall of a positioning cylinder 3 in a circular truncated cone shape; the screw thread of the adjusting screw rods 23 at the two ends of the rotating rod 22 is opposite in rotating direction, the positioning cylinders 3 on the two adjusting screw rods 23 are coaxially arranged with the sleeve body 1, the diameter of each positioning cylinder 3 is smaller, the inner wall of the bottom of each positioning cylinder 3 is provided with a sealing silica gel layer 31, the center of each sealing silica gel layer 31 is provided with a through hole, and the outer wall of each positioning cylinder 3 is provided with a plurality of sealing rings 32.
The assembly gap 21 used for passing through the grouting pipe and the slurry discharging pipe is formed in the clamping ring 2, the two clamping rings 2 are arranged between the grouting pipe and the slurry discharging pipe, the ring surface of the clamping ring far away from the rotating rod is further provided with an installation block 24, and an internal thread hole is preset in the installation block 24 and is in threaded fit with an installation screw rod 25.
The utility model discloses the working process is as follows:
firstly, the axial positioning mechanism is assembled with the sleeve body, the assembling gap of the snap ring is arranged corresponding to the grouting pipe and the slurry discharge pipe of the sleeve body, then the axial positioning mechanism is axially moved, the assembly gap of the clamping ring passes over the grouting pipe and the slurry discharge pipe, finally the two clamping rings are positioned between the grouting pipe and the slurry discharge pipe, then the mounting screws are rotated relative to the mounting block, so that the two mounting screws move back to back and respectively abut against the grouting pipe and the slurry discharge pipe, and the assembly connection of the axial positioning mechanism and the sleeve body is realized, then rotate the bull stick and drive two adjusting screw and rotate, two location section of thick bamboo are coaxial opposite direction removal (can carry out circumference spacing with hand or other instrument to a location section of thick bamboo, prevent that a location section of thick bamboo from rotating along with adjusting screw's rotation), until the less coaxial port that gets into the corresponding port of sleeve body of end of the diameter of a location section of thick bamboo, the outer wall cooperation sealing washer shutoff sleeve body port of colleague location section of thick bamboo.
Then insert two reinforcing bars respectively from the great end department of the diameter of two location section of thick bamboos to this is internal from the through-hole department entering sleeve of sealing silica gel layer center department, the inserting of reinforcing bar can make the sealing silica gel layer take place deformation, so the reinforcing bar can be laminated as far as possible on the sealing silica gel layer, thereby realize the sealed effect of later stage slip casting. And finally, injecting slurry into the sleeve body from the grouting pipe, after solidification, separating the axial positioning mechanism from the sleeve body according to the reverse operation, and applying the axial positioning mechanism to the operation of other sleeve bodies.
Claims (6)
1. Adjusting reinforcing bar axial positioning's grout sleeve for experiments, including the sleeve body that radially is equipped with slip casting pipe and grout discharge pipe, the slip casting pipe is located grout discharge pipe axial below, its characterized in that still includes the axial positioning mechanism that can dismantle the connection with the sleeve body, axial positioning mechanism includes that the outside snap ring of sleeve body is located to two coaxial sleeves, and the coaxial bearing that has preset in two snap ring anchor ring correspondences, and the bull stick both ends an organic whole that installs with bearing cooperation on two snap rings is connected with adjusting screw, the internal screw thread spare threaded connection that sets firmly on adjusting screw and the locating cylinder outer wall that is the round platform form.
2. The experimental grouting sleeve for adjusting the axial positioning of reinforcing steel bars as claimed in claim 1, wherein the thread directions of the adjusting screws at the two ends of the rotating rod are opposite, the positioning cylinders on the two adjusting screws are coaxially arranged with the sleeve body, and the port with the smaller diameter of the positioning cylinder is arranged towards the corresponding port of the sleeve body.
3. The experimental grouting sleeve for adjusting the axial positioning of the steel bars as claimed in claim 2, wherein the inner wall of the bottom of the port with the smaller diameter of the positioning cylinder is provided with a sealing silica gel layer, and a through hole is formed in the center of the sealing silica gel layer.
4. The experimental grouting sleeve for adjusting the axial positioning of reinforcing steel bars as claimed in claim 2, wherein the outer wall of the positioning sleeve is provided with a plurality of sealing rings.
5. The experimental grouting sleeve for adjusting the axial positioning of the steel bar as claimed in claim 1, wherein the snap ring is provided with an assembly gap for passing through the grouting pipe and the slurry discharge pipe, and the two snap rings are arranged between the grouting pipe and the slurry discharge pipe.
6. The experimental grouting sleeve for adjusting the axial positioning of reinforcing steel bars as claimed in claim 5, wherein an installation block is further arranged on the ring surface of the snap ring away from the rotating rod, and an internal threaded hole is preset in the installation block and is in threaded fit with the installation screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021665102.2U CN212957266U (en) | 2020-08-12 | 2020-08-12 | Experimental grouting sleeve for adjusting axial positioning of reinforcing steel bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021665102.2U CN212957266U (en) | 2020-08-12 | 2020-08-12 | Experimental grouting sleeve for adjusting axial positioning of reinforcing steel bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212957266U true CN212957266U (en) | 2021-04-13 |
Family
ID=75351550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021665102.2U Active CN212957266U (en) | 2020-08-12 | 2020-08-12 | Experimental grouting sleeve for adjusting axial positioning of reinforcing steel bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212957266U (en) |
-
2020
- 2020-08-12 CN CN202021665102.2U patent/CN212957266U/en active Active
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