CN216978606U - A experimental clamping device is drawn to L shape stock for highway engineering - Google Patents
A experimental clamping device is drawn to L shape stock for highway engineering Download PDFInfo
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- CN216978606U CN216978606U CN202122753250.0U CN202122753250U CN216978606U CN 216978606 U CN216978606 U CN 216978606U CN 202122753250 U CN202122753250 U CN 202122753250U CN 216978606 U CN216978606 U CN 216978606U
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- pull ring
- fixedly connected
- clamping device
- shaped anchor
- anchor rod
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- 238000012360 testing method Methods 0.000 claims abstract description 24
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007586 pull-out test Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model discloses an L-shaped anchor rod drawing test clamping device for highway engineering, which comprises a bracket, wherein the bottom of the bracket is symmetrically and fixedly connected with two support plates, the top of the bracket is fixedly connected with a hydraulic cylinder, the push rod end of the hydraulic cylinder penetrates through the top of the bracket and then is fixedly connected with a tension sensor, the bottom of the tension sensor is fixedly connected with a mounting plate, the bottom of the mounting plate is uniformly and fixedly connected with a plurality of connecting rods, the bottom ends of the connecting rods are commonly connected with a pull ring, the center of the top of the pull ring is provided with a tapered hole in a penetrating manner, and the outer wall of the pull ring is provided with a notch communicated with the tapered hole; the L-shaped anchor rod is convenient to clamp before testing through the arrangement of the notch, the clamping blocks and the clamping teeth, the operation is simple and rapid, and in the testing process, the larger the upward pulling force applied to the L-shaped anchor rod is, the more tightly the two clamping blocks can clamp the L-shaped anchor rod, so that the L-shaped anchor rod is prevented from loosening and falling off, and the using effect is good.
Description
Technical Field
The utility model relates to a clamping device, in particular to a clamping device for an L-shaped anchor rod drawing test in highway engineering.
Background
In the construction of new and improved roads, such as the concrete reinforcement engineering of structures like roadbed slope reinforcement, tunnel surrounding rock primary support, tunnel secondary lining concrete reinforcement, bridges, etc., right-angle hook anchor rods and L-shaped anchor rods are widely applied, and the function of the right-angle hook anchor rods and the L-shaped anchor rods in the engineering is to increase the adhesive force, the shear strength and the bearing capacity of the post-reinforcement concrete.
The anchoring performance of the hook anchor rod is tested in a test mode, a drawing instrument is usually matched with a hollow jack to perform drawing test detection, the structure can only verify the anchor rod in an I shape, and can not verify an L-shaped component in an opposite shape, so that a clamping device special for the L-shaped anchor rod needs to be developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a clamping device for an L-shaped anchor rod drawing test in highway engineering, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a test clamping device is drawn to L shape stock for highway engineering, includes the support, two extension boards of bottom symmetry fixedly connected with of support, the top fixedly connected with pneumatic cylinder of support, the push rod end of pneumatic cylinder runs through fixedly connected with force sensor behind the top of support, force sensor's bottom fixedly connected with mounting panel, the even a plurality of connecting rods of fixedly connected with in bottom of mounting panel, it is a plurality of the bottom of connecting rod is connected with the pull ring jointly, the top center department of pull ring runs through and has seted up the bell mouth, the breach with the bell mouth intercommunication is seted up to the outer wall of pull ring, the inside of bell mouth is provided with presss from both sides the cover, it is round platform shape to press from both sides the cover, and presss from both sides the size looks adaptation of cover and bell mouth, it comprises two clamp splice that are symmetrical each other to press from both sides the cover, the center department that presss from both sides the cover runs through and is provided with the through-hole.
As a further scheme of the utility model: the inner diameter of the through hole is matched with the outer diameter of the L-shaped anchor rod.
As a further scheme of the utility model: the inner wall of the through hole is uniformly and fixedly connected with a plurality of clamping teeth.
As a further scheme of the utility model: the opening size of the notch is smaller than the diameter of the L-shaped anchor rod.
As a still further scheme of the utility model: the novel pull ring is characterized in that a plurality of bolts are arranged on one side, located in the gap, of the outer wall of the pull ring in a penetrating mode, a plurality of threaded holes are arranged on the other side, located in the gap, of the outer wall of the pull ring in a penetrating mode, the bolts correspond to the threaded holes one to one, the bolts are in threaded connection with the corresponding threaded holes, and the bolts are connected with the pull ring in a rotating mode.
As a still further scheme of the utility model: the top of pull ring has seted up the spout, the bottom of connecting rod is located the spout, the bottom fixedly connected with slider of connecting rod, slider and spout sliding connection.
Compared with the prior art, the utility model has the beneficial effects that:
1. the L-shaped anchor rod is convenient to clamp before testing through the arrangement of the notch, the clamping blocks and the clamping teeth, the operation is simple and rapid, time and labor are saved, and in the testing process, the larger the upward tensile force applied to the L-shaped anchor rod is, the more tightly the two clamping blocks clamp the L-shaped anchor rod, so that the L-shaped anchor rod is prevented from loosening and falling off, and the using effect is good.
2. According to the utility model, the strength of the pull ring at the notch can be improved by arranging the bolt and the threaded hole, so that the pull ring is prevented from being damaged, and the pull ring can be rotated at the bottom ends of the connecting rods by matching the sliding block and the sliding groove, so that the bolt can be conveniently operated.
Drawings
Fig. 1 is a schematic structural diagram of an L-shaped anchor rod drawing test clamping device for highway engineering.
Fig. 2 is a schematic structural diagram of a pull ring in an L-shaped anchor rod pull test clamping device for highway engineering.
Fig. 3 is an enlarged view of a point a in fig. 1.
Fig. 4 is a schematic structural diagram of a jacket in an L-shaped anchor rod pull-out test device for highway engineering.
The device comprises a support 1, a support plate 2, a hydraulic cylinder 3, a tension sensor 4, an installation plate 5, a connecting rod 6, a sliding block 7, a pull ring 8, a tapered hole 9, a notch 10, a bolt 11, a threaded hole 12, a clamping block 13, a through hole 14, a latch 15, a sliding groove 16 and an L-shaped anchor rod 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, in the embodiment of the utility model, an L-shaped anchor rod pull test clamping device for highway engineering comprises a bracket 1, two support plates 2 are symmetrically and fixedly connected to the bottom of the bracket 1, a hydraulic cylinder 3 is fixedly connected to the top of the bracket 1, a tension sensor 4 is fixedly connected to the rear of the end of a push rod of the hydraulic cylinder 3 penetrating through the top of the bracket 1, an installation plate 5 is fixedly connected to the bottom of the tension sensor 4, a plurality of connecting rods 6 are uniformly and fixedly connected to the bottom of the installation plate 5, the bottom ends of the connecting rods 6 are commonly connected with a pull ring 8, a tapered hole 9 penetrates through the center of the top of the pull ring 8, a notch 10 communicated with the tapered hole 9 is formed in the outer wall of the pull ring 8, a jacket is arranged inside the tapered hole 9, the jacket is in a circular truncated cone shape, and is matched with the size of the tapered hole 9, the jacket is composed of two symmetrical clamping blocks 13, and a through hole 14 penetrates through the center of the jacket.
The inner diameter of the through hole 14 is adapted to the outer diameter of the L-shaped anchor 17.
The inner wall of the through hole 14 is uniformly and fixedly connected with a plurality of latch teeth 15.
The opening size of the notch 10 is smaller than the diameter of the L-shaped anchor 17.
The utility model discloses a pull ring 8, including pull ring 8, bolt 11, screw hole 12, bolt 11 and screw hole 12, the one side that the outer wall of pull ring 8 is located breach 10 is run through and is provided with a plurality of bolts 11, the opposite side that the outer wall of pull ring 8 is located breach 10 is run through and is provided with a plurality of screw holes 12, bolt 11 and screw hole 12 one-to-one, bolt 11 and the 12 threaded connection of screw hole that correspond, bolt 11 and pull ring 8 rotate to be connected.
The top of pull ring 8 has seted up spout 16, the bottom of connecting rod 6 is located spout 16, the bottom fixedly connected with slider 7 of connecting rod 6, slider 7 and spout 16 sliding connection.
The working principle of the utility model is as follows:
when the device is used, the bracket 1 is moved on the ground, the L-shaped anchor rod 17 passes through the notch 10 and then is positioned at the center of the tapered hole 9, then the two clamping blocks 13 are placed in the tapered hole 9, the latch 15 is attached to the outer wall of the L-shaped anchor rod 17, and then the bolt 11 is matched with the threaded hole 12 and screwed down; when testing, 5 upwards remove through the 3 drive mounting panels of pneumatic cylinder, thereby utilize connecting rod 6 to drive pull ring 8 and rise, at this moment, the slope inner wall of bell mouth 9 can play the guide effect to pressing from both sides the cover, thereby two clamp splice 13 atresss and press from both sides L shape stock 17 through latch 15 tightly, later continue to drive pneumatic cylinder 3, draw the test can, in the testing process, the ascending pulling force that L shape stock 17 received is big more, two clamp splice 13 will press from both sides L shape stock 17 tighter more, thereby avoid L shape stock 17 pine to take off.
According to the utility model, through the arrangement of the notch 10, the clamping block 13 and the latch 15, the L-shaped anchor rod 17 is convenient to clamp before testing, and the device is simple and rapid to operate, and time-saving and labor-saving.
According to the utility model, the bolt 11 and the threaded hole 12 are arranged, so that the strength of the pull ring 8 at the notch 10 can be improved, the pull ring 8 is prevented from being damaged, and the pull ring 8 can be rotated at the bottom ends of the connecting rods 6 by matching the sliding block 7 with the sliding groove 16, so that the bolt 11 can be operated conveniently.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a test clamping device is drawn to L shape stock for highway engineering which characterized in that: the pull ring comprises a bracket (1), two support plates (2) are symmetrically and fixedly connected to the bottom of the bracket (1), a hydraulic cylinder (3) is fixedly connected to the top of the bracket (1), a pull sensor (4) is fixedly connected to the rear of the push rod end of the hydraulic cylinder (3) penetrating through the top of the bracket (1), a mounting plate (5) is fixedly connected to the bottom of the pull sensor (4), a plurality of connecting rods (6) are uniformly and fixedly connected to the bottom of the mounting plate (5), a pull ring (8) is commonly connected to the bottom ends of the connecting rods (6), a tapered hole (9) is formed in the center of the top of the pull ring (8) in a penetrating manner, a notch (10) communicated with the tapered hole (9) is formed in the outer wall of the pull ring (8), a jacket is arranged in the tapered hole (9) and is in a circular truncated cone shape, and the jacket is matched with the tapered hole (9) in size, the jacket is composed of two symmetrical clamping blocks (13), and a through hole (14) penetrates through the center of the jacket.
2. The L-shaped anchor rod drawing test clamping device for the highway engineering according to claim 1, wherein the clamping device comprises: the inner diameter of the through hole (14) is matched with the outer diameter of the L-shaped anchor rod (17).
3. The L-shaped anchor rod drawing test clamping device for the highway engineering according to claim 2, wherein the clamping device comprises: the inner wall of the through hole (14) is uniformly and fixedly connected with a plurality of clamping teeth (15).
4. The L-shaped anchor rod drawing test clamping device for highway engineering according to claim 1, characterized in that: the opening size of the notch (10) is smaller than the diameter of the L-shaped anchor rod (17).
5. The L-shaped anchor rod drawing test clamping device for the highway engineering according to claim 1, wherein the clamping device comprises: the pull ring is characterized in that one side, located in the notch (10), of the outer wall of the pull ring (8) is provided with a plurality of bolts (11) in a penetrating mode, the other side, located in the notch (10), of the outer wall of the pull ring (8) is provided with a plurality of threaded holes (12) in a penetrating mode, the bolts (11) correspond to the threaded holes (12) in a one-to-one mode, the bolts (11) are in threaded connection with the corresponding threaded holes (12), and the bolts (11) are connected with the pull ring (8) in a rotating mode.
6. The L-shaped anchor rod drawing test clamping device for the highway engineering according to claim 1, wherein the clamping device comprises: the top of pull ring (8) has been seted up spout (16), the bottom of connecting rod (6) is located spout (16), the bottom fixedly connected with slider (7) of connecting rod (6), slider (7) and spout (16) sliding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122753250.0U CN216978606U (en) | 2021-11-11 | 2021-11-11 | A experimental clamping device is drawn to L shape stock for highway engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122753250.0U CN216978606U (en) | 2021-11-11 | 2021-11-11 | A experimental clamping device is drawn to L shape stock for highway engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216978606U true CN216978606U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122753250.0U Active CN216978606U (en) | 2021-11-11 | 2021-11-11 | A experimental clamping device is drawn to L shape stock for highway engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216978606U (en) |
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2021
- 2021-11-11 CN CN202122753250.0U patent/CN216978606U/en active Active
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