CN220301406U - Connecting device for anti-pulling detection - Google Patents
Connecting device for anti-pulling detection Download PDFInfo
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- CN220301406U CN220301406U CN202321752879.6U CN202321752879U CN220301406U CN 220301406 U CN220301406 U CN 220301406U CN 202321752879 U CN202321752879 U CN 202321752879U CN 220301406 U CN220301406 U CN 220301406U
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 11
- 238000003466 welding Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007586 pull-out test Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model belongs to the technical field of engineering detection, and provides a connecting device for anti-pulling detection, which comprises an integrated connector and a plurality of clamping components; the integrated connector is provided with a connecting hole and a plurality of limiting holes; the connecting hole is used for being connected with the force application device; each limiting hole penetrates through the integrated connector; the clamping assembly comprises a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are arc-shaped, a sleeve structure is formed after the first clamping piece and the second clamping piece are spliced, and a clamping hole for being matched and clamped with the steel bar is formed in the central axis of the sleeve structure; along the axial drawing direction of the force application device, the inner diameter of each limiting hole is gradually enlarged, and the outer diameter of the sleeve structure is gradually enlarged. The utility model is beneficial to realizing the connection between the anti-floating component and the force application equipment, has convenient operation and reliable connection, is beneficial to improving the accuracy of test data, shortens the detection period and improves the efficiency.
Description
Technical Field
The utility model belongs to the technical field of engineering detection, and particularly relates to a connecting device for anti-pulling detection.
Background
Anti-floating measures of buildings are generally classified into 'one-press two-pull'. The pressure is to increase the dead weight of the permanent load, and the buoyancy of the groundwater is balanced in the modes of earthing the top plate of the basement, weighting the bottom plate of the basement and the like; pulling, namely, setting the anti-pulling pile or the anti-pulling anchor rod, and balancing the buoyancy of the groundwater by the anti-pulling force provided by the anti-floating component. In practical engineering application, the two methods are mostly combined, so that economy and rationality are achieved. The anti-floating performance of the anti-floating member provided therein is of critical importance, and detection for evaluating the bearing capacity thereof is indispensable.
The anti-pulling bearing capacity detection usually adopts an anti-pulling test, the connection between the anti-floating member and the force application equipment (such as a jack) is usually realized by combining welding and mechanical connection, the method has the problem of more human factors, the possibility of test failure is high, test data is less scientific and inaccurate, the welding takes long time, and a large amount of construction period is occupied when the workload is large. In addition, the professional level of welding personnel directly influences success and failure of the test, related cases often appear in the field detection process, and most of the cases are caused by substandard welding process on projects after reason analysis, and cracks appear at welding positions, so that the test fails.
In view of the above, it is necessary to provide a pull-out test connection device capable of realizing connection between a floating-resistant member and a jack, so that test data is reliable, cost is reduced, period is shortened, efficiency is improved, and detection is convenient.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a connecting device for anti-pulling test detection, which is beneficial to realizing connection between an anti-floating member and force application equipment, is convenient to operate, reliable in connection, beneficial to improving test data accuracy, shortening a detection period and improving efficiency.
The technical scheme adopted for solving the technical problems is as follows:
a connecting device for anti-pulling detection comprises an integrated connector and a plurality of clamping assemblies for clamping reinforcing steel bars of an anti-floating member; wherein,
the integrated connector is provided with a connecting hole and a plurality of limiting holes; the connecting hole is arranged on the central axis of the integrated connector and is used for being connected with force application equipment; each limiting hole is arranged in a surrounding mode at equal intervals by taking the connecting hole as a center, and each limiting hole penetrates through the integrated connector;
the clamping assembly comprises a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are arc-shaped, a sleeve structure is formed after the first clamping piece and the second clamping piece are spliced, and a clamping hole for being matched and clamped with the steel bar is formed in the central axis of the sleeve structure;
along the axial drawing direction of the force application device, the inner diameter of each limiting hole is gradually enlarged, the outer diameter of the sleeve structure is gradually enlarged, and the outer diameter of the sleeve structure is matched with the inner diameter of the limiting hole.
Preferably, an opening is formed in one side of each limiting hole away from the connecting hole. Specifically, the opening sizes corresponding to the limiting holes in the embodiment are consistent from top to bottom.
Preferably, a first thread internal thread is arranged on the inner wall of the limiting hole.
Preferably, a detachable connection structure for connecting with the force application device is arranged in the connection hole.
Preferably, the detachable connection structure includes a screw structure provided on an inner wall of the connection hole.
Preferably, the connection hole penetrates the integrated connector.
Preferably, 6 limiting holes are provided.
Preferably, the integral connector is cylindrical.
Preferably, the first clamping piece and the second clamping piece are of a semi-open circular arc structure.
Preferably, the inner walls of the first clamping piece and the second clamping piece are respectively provided with a second threaded inner wire, and the second threaded inner wires are matched with the outer ribs of the steel bars of the to-be-tested anti-floating component.
Compared with the prior art, the utility model has the beneficial effects that:
in the process of pulling-resistant detection, the steel bars of the floating-resistant component are respectively penetrated in the limiting holes of the integrated connector, and the steel bars of the floating-resistant component are symmetrically distributed to ensure uniform stress in the subsequent pulling-resistant test. The clamping assembly is then wrapped over each rebar with the first and second jaws in axially fixed relation to the rebar and forward (generally upward) of the integral connector in the direction of pull. And then, adjusting the axial position of the integrated connector to enable the integrated connector to move towards the drawing direction, and enabling the clamping assemblies on the reinforcing steel bars to correspondingly slide into the limiting holes until the clamping assemblies (the first clamping piece and the second clamping piece) and the integrated connector cannot slide relatively, so that the fixed connection relation between the integrated connector and the anti-floating component is formed. Finally, the force application device is connected with the connecting hole of the integrated connector, so that the force application device and the anti-floating member can be effectively connected, and the anti-pulling detection test can be conveniently carried out. After the test is finished, after the connection hole of the integrated connector is connected with the force application equipment, the connection between the integrated connector and each clamping assembly can be loosened in a hammering mode, and finally the clamping assemblies and the reinforcing steel bars are separated to complete all the disassembly procedures.
According to the utility model, the anti-floating component and the force application device can be mechanically connected through the integrated connector and the clamping assemblies, the operation is simple and convenient, the reliability is good, manual welding is not needed, the detection construction difficulty is reduced, the detection period is shortened, and the improvement of the reliability of detection data is facilitated; further, the integrated connector and the clamping assemblies can be reused, so that material loss is reduced. Meanwhile, the steel bars of the anti-floating members are used as integral anchors, and the detected anti-floating members keep an integral stress state, so that the whole is vertical and vertical, and the load acting line of the force application equipment (jack) is consistent, so that the coincidence of the load acting line and the axis of the test piece during the test is further ensured, and the detection accuracy is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of an integrated connector of the connection device for pull-out resistance detection of the present utility model.
Fig. 2 is a cross-sectional view of the top surface (larger end of the retaining hole) of the integrated connector.
Fig. 3 is a cross-sectional dimension of the top surface (larger end of the limiting aperture) of the integrated connector.
Fig. 4 is a cross-sectional view of the bottom surface (smaller end of the limiting aperture) of the integrated connector.
Fig. 5 is a cross-sectional dimension of the bottom surface (smaller end of the limiting aperture) of the integrated connector.
Fig. 6 is a perspective view of the clamping assembly.
Fig. 7 is a cross-sectional dimension of the top surface (larger end of the clamping hole) of the first clip (or second clip).
Fig. 8 is a cross-sectional dimension of the bottom surface (smaller end of the clamping hole) of the first clip (or the second clip).
Fig. 9 is a front view of the first clip (or the second clip).
Wherein:
the connector comprises a 1-integrated connector, a 2-connecting hole, a 3-limiting hole, a 4-first clamping piece, a 5-second clamping piece and a 6-second threaded internal thread.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. In addition, embodiments of the present application and features of the embodiments may be combined with each other without conflict. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, and the described embodiments are merely some, rather than all, embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Example 1
Referring to fig. 1-9, the present embodiment discloses a connection device for pull-out detection, which comprises an integrated connector 1 and a plurality of clamping assemblies for clamping reinforcing bars of an anti-floating member.
Referring to fig. 1-5, an integral connector 1 is provided with a connecting hole 2 and a plurality of limiting holes 3; the connecting hole 2 is arranged on the central axis of the integrated connector 1 and is used for being connected with force application equipment; each limiting hole 3 is arranged around the connecting hole 2 at equal intervals, and each limiting hole 3 penetrates through the integrated connector 1.
Referring to fig. 6-9, the clamping assembly of the present embodiment includes a first clamping piece 4 and a second clamping piece 5, where the first clamping piece 4 and the second clamping piece 5 are arc-shaped, and the first clamping piece 4 and the second clamping piece 5 are spliced to form a sleeve structure, and a central axis of the sleeve structure is provided with a clamping hole for clamping with a reinforcing steel bar in a matching manner. In particular, in the present embodiment, the first clip 4 and the second clip 5 are of a semi-open circular arc structure.
Further, this embodiment exemplifies a specific application size of the first clip 4 and the second clip 5, and when the reinforcement bar size of the anti-floating member to be clamped is a32mm, the outer radius of the larger end of the first clip 4 and the second clip 5 is 22.5mm, the inner radius is 16mm, and the thickness is 6.5mm; the outer radius of the smaller ends of the first clamping piece 4 and the second clamping piece 5 is 17.5mm, the inner radius is 16mm, and the thickness is 1.5mm; the first clamping piece 4 and the second clamping piece 5 can be made of high-strength alloy steel materials.
In addition, according to the reinforcing steel bars of different specifications, the first clamping piece 4 and the second clamping piece 5 with different sizes can be processed, so that the rib patterns of the clamping assembly and the reinforcing steel bars of different specifications are matched, and the connection of the reinforcing steel bars and the integrated connector 1 is facilitated.
The inner walls of the first clamping piece 4 and the second clamping piece 5 are respectively provided with a second threaded inner wire 6, and the second threaded inner wires 6 are matched with the outer ribs of the steel bars of the anti-floating component to be tested. When the first clamping piece 4 and the second clamping piece 5 are spliced to wrap the steel bars of the anti-floating component, the second threaded inner wires 6 on the inner walls of the first clamping piece 4 and the second clamping piece 5 are mutually meshed with the outer ribs of the steel bars, so that the first clamping piece 4, the second clamping piece 5 and the steel bars are fixed.
In order to achieve the mutual matching of the clamping assembly and the integrated connector 1, the anti-floating member and the integrated connector 1 form a fixed connection relationship, the inner diameter of each limiting hole 3 is gradually enlarged along the axial drawing direction of the force application device, the outer diameter of the sleeve structure is gradually enlarged, and the outer diameter of the sleeve structure is matched with the inner diameter of the limiting hole 3. In this way, after the clamping assembly is inserted into the limiting hole 3 of the integrated connector 1, a locking and fixing state is gradually formed in the moving process, so that the integrated connector 1, the clamping assembly and the steel bar (anti-floating member) are fixed.
Referring to fig. 1 to 5, in order to improve the uniformity of stress of the integral connector 1, the integral connector 1 is provided in a cylindrical shape in this embodiment. Of course, the integral connector 1 may be provided in other shapes, such as a cube, a rectangular parallelepiped, or the like. In addition, the integrated connector 1 can be made of metal entity materials so as to improve the connection strength; specifically, high-strength alloy steel with the thickness of A160mm and 150mm can be selected.
The connecting hole 2 of the embodiment vertically penetrates the integrated connector 1, and the specification can be a40mm by 150mm. In addition, a detachable connection structure for connection with the force application device is provided in the connection hole 2. The detachable connection structure of this embodiment adopts a screw structure, which is provided on the inner wall of the connection hole 2. Of course, other detachable connection structures, such as a snap-on structure, may be used to connect the integrated connector 1 to the force application device. The embodiment adopts a thread structure, is convenient to be connected with force application equipment, has simple structure and good connection reliability, and is convenient to be connected with the screw rod of the jack.
One side of each limiting hole 3 far away from the connecting hole 2 is provided with an opening. Specifically, in this embodiment, the size of the opening corresponding to each limiting hole 3 is kept uniform from top to bottom, and the width of the opening may be set to 35mm. While the diameter of the larger end of the limiting hole 3 can be set to be A45mm, the thickness of the opening can be set to be 6.4mm, and the wall thickness formed by the connecting hole 2 can be set to be 15mm; the smaller end may be set to a35mm, the thickness of the opening may be set to 22.5mm, and the wall thickness formed with the connection hole 2 may be set to 20mm. Through setting up the opening in one side of spacing hole 3, make things convenient for the insertion of first clamping piece 4 and second clamping piece 5 to can form the dead state of card with spacing hole 3 in the resistance to plucking test, in order to realize the connection of anti-floating component and force application equipment.
The inner wall of the limit hole 3 is provided with a first thread internal thread. Through the setting of first screw thread internal thread, increase the frictional force between first clamping piece 4 and second clamping piece 5 and the spacing hole 3 to be favorable to realizing the locking card between first clamping piece 4, second clamping piece 5 and the spacing hole 3 in the drawing process and die, improve the connection reliability.
The limiting holes 3 of the embodiment are 6. It should be noted that the number of the limiting holes 3 in the present embodiment may be flexibly set, and is not limited to 6, and for example, three, four, five, etc. may be set.
Referring to fig. 1 to 9, the connection device for pull-out detection of the present embodiment works as follows:
in the process of pulling-resistant detection, the steel bars of the anti-floating members (such as anti-floating anchor rods or anti-pulling piles) are respectively penetrated in the limiting holes 3 of the integrated connector 1, and the steel bars of the anti-floating members are symmetrically distributed so as to ensure uniform stress in the subsequent pulling-resistant test. Then, the clamping assembly is wrapped around each of the reinforcing bars, so that the second threaded inner wires 6 on the inner walls of the first clamping piece 4 and the second clamping piece 5 are engaged with each other and form an axially fixed relationship with the outer ribs of the reinforcing bars, and the wrapping positions of the first clamping piece 4 and the second clamping piece 5 are located in front (generally above) of the integral connector 1 in the drawing direction. Then, the axial position of the integral connector 1 is adjusted to move in the drawing direction, so that the clamping assemblies on the reinforcing steel bars slide into the limiting holes 3 correspondingly, the inner diameter of the limiting holes 3 is gradually enlarged along the axial drawing direction of the force application equipment, the outer diameter of the sleeve structure formed by splicing the first clamping piece 4 and the second clamping piece 5 is also gradually enlarged, and the outer diameter of the sleeve structure is matched with the inner diameter of the limiting holes 3, so that in the moving process of the integral connector 1, the positions where the clamping assemblies (the first clamping piece 4 and the second clamping piece 5) cannot slide relative to the integral connector 1 are formed, and the fixed connection relation between the integral connector 1 and the anti-floating member is formed. Finally, the force application device is connected with the connecting hole 2 of the integrated connector 1 (specifically, the screw rod of the jack is in threaded fit connection with the connecting hole 2), so that the force application device and the anti-floating member can be effectively connected, and the anti-pulling detection test can be conveniently carried out. After the test is finished, the connection between the integrated connector 1 and each clamping assembly can be loosened in a hammering manner after the connection hole 2 of the integrated connector 1 is connected with the force application device, and as the inner diameter of the limiting hole 3 is set to be in a deformed (upper wide and lower narrow) shape, after the clamping assembly is separated from the limiting hole 3, the clamping assembly can be separated from the reinforcing steel bar and fall off, and all the disassembly procedures can be completed by manually separating the clamping assembly from the reinforcing steel bar.
The present utility model is not limited to the preferred embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical principles of the present utility model are within the scope of the technical proposal of the present utility model.
Claims (10)
1. The connecting device for the anti-pulling detection is characterized by comprising an integrated connector and a plurality of clamping assemblies for clamping the reinforcing steel bars of the anti-floating members; wherein,
the integrated connector is provided with a connecting hole and a plurality of limiting holes; the connecting hole is arranged on the central axis of the integrated connector and is used for being connected with force application equipment; each limiting hole is arranged in a surrounding mode at equal intervals by taking the connecting hole as a center, and each limiting hole penetrates through the integrated connector;
the clamping assembly comprises a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are arc-shaped, a sleeve structure is formed after the first clamping piece and the second clamping piece are spliced, and a clamping hole for being matched and clamped with the steel bar is formed in the central axis of the sleeve structure;
along the axial drawing direction of the force application device, the inner diameter of each limiting hole is gradually enlarged, the outer diameter of the sleeve structure is gradually enlarged, and the outer diameter of the sleeve structure is matched with the inner diameter of the limiting hole.
2. The connection device for pull-out resistance test according to claim 1, wherein an opening is provided at a side of each of the limiting holes away from the connection hole.
3. The connection device for pull-out resistance detection according to claim 1 or 2, wherein the inner wall of the limiting hole is provided with a first threaded inner wire.
4. The connection device for pull-out resistance test according to claim 1, wherein a detachable connection structure for connection with a force application device is provided in the connection hole.
5. The connection device for pull-out resistance test of claim 4, wherein the detachable connection structure includes a screw structure provided on an inner wall of the connection hole.
6. The connection device for pull-out resistance test of claim 1, 4 or 5, wherein the connection hole extends through the integral connector.
7. The connection device for pull-out resistance detection according to claim 1, wherein the number of the limiting holes is 6.
8. The connection device for pull-out resistance test of claim 1, wherein the integral connector is cylindrical.
9. The connection device for pull-out resistance test of claim 1, wherein the first clip and the second clip are each semi-open circular arc structures.
10. The connection device for pull-out resistance detection according to claim 1 or 9, wherein second threaded internal threads are arranged on the inner walls of the first clamping piece and the second clamping piece, and the second threaded internal threads are matched with the outer ribs of the steel bars of the to-be-detected anti-floating member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321752879.6U CN220301406U (en) | 2023-07-05 | 2023-07-05 | Connecting device for anti-pulling detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321752879.6U CN220301406U (en) | 2023-07-05 | 2023-07-05 | Connecting device for anti-pulling detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220301406U true CN220301406U (en) | 2024-01-05 |
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ID=89344975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321752879.6U Active CN220301406U (en) | 2023-07-05 | 2023-07-05 | Connecting device for anti-pulling detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220301406U (en) |
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2023
- 2023-07-05 CN CN202321752879.6U patent/CN220301406U/en active Active
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