CN219625252U - Test device for detecting shearing resistance of building anchor bolt - Google Patents
Test device for detecting shearing resistance of building anchor bolt Download PDFInfo
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- CN219625252U CN219625252U CN202223429869.7U CN202223429869U CN219625252U CN 219625252 U CN219625252 U CN 219625252U CN 202223429869 U CN202223429869 U CN 202223429869U CN 219625252 U CN219625252 U CN 219625252U
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Abstract
The utility model discloses a test device for detecting the shearing resistance of a building anchor bolt, which comprises two right-angle loading plates, a screw rod and an annular force transducer or a penetrating jack, wherein the two right-angle loading plates are arranged at intervals, the horizontal plates of the two right-angle loading plates are provided with through holes for penetrating the building anchor bolt, the screw rod is connected with the vertical plates of the two right-angle loading plates, the annular force transducer penetrates into the screw rod and is positioned at the outer side of the vertical plate of any right-angle loading plate, and the two ends of the screw rod are screwed into nuts; or the penetrating jack is arranged between the vertical plates of the two right-angle loading plates, and the shearing resistance of the anchor bolt can be detected by tightening nuts on the screw rods or starting the penetrating jack to apply test load. The device has the advantages of simple structure, low manufacturing cost and flexible and changeable application scene, and is particularly suitable for the shear performance detection test of the anchor bolts adjacently arranged on the large-scale planes such as the ground, the wall surface, the ceiling bottom surface and the like, and the anchoring quality of the anchor bolts is ensured.
Description
Technical Field
The utility model relates to the technical field of building engineering detection, in particular to a test device for detecting the shearing resistance of a building anchor bolt.
Background
Along with the development of the construction engineering technology, the construction anchor bolt is widely applied to various engineering fields such as new construction, reconstruction, existing building reinforcement and the like due to the characteristics of various forms, convenient construction, wide application, relatively low construction cost and the like. However, due to the fact that the anchor bolts are various in variety and structure, new products and new process layers of various factories are endless, and due to the fact that the anchor bolts are influenced by factors such as construction management, technical levels of operators and the like, hidden dangers exist in anchor bolt anchoring quality. In recent years, quality accidents caused by the problem of anchor bolt anchoring quality are frequent, and in order to further strengthen the construction quality control of the building anchor bolts, the detection of the anchor bolt anchoring performance is increasingly important to ensure the whole quality safety of engineering.
The pullout resistance and shearing resistance of the anchor bolt are the main mechanical properties; the current standards specify: the anchor bolt detection test related to engineering quality acceptance should be performed on the construction site to reflect the practical performances of the anchor bolt in drawing and shearing resistance. In engineering practical application, the anchor bolt tensile pulling detection test device has single structure, low implementation difficulty and better industrial application; however, for the detection test of the shearing resistance of the anchor bolt, the actual working conditions are complex and changeable due to the different application scenes of the anchor bolt, and the detection test device of the shearing resistance recommended by the current standards and regulations cannot be suitable for various engineering projects, so that the detection test device universally applicable in the industry is not available.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the test device for detecting the shearing resistance of the building anchor bolt, which has the advantages of simple structure, low manufacturing cost and flexible and changeable application scene, and is particularly suitable for the shearing resistance detection test of the anchor bolt adjacently arranged on a large-range plane such as the ground, the wall surface, the ceiling bottom surface and the like, and the anchoring quality of the anchor bolt is ensured.
In order to solve the technical problems, the utility model comprises two test devices, wherein one test device for detecting the shear performance of a building anchor bolt comprises two right-angle loading plates, a screw rod and an annular force transducer, the two right-angle loading plates are arranged at intervals, the horizontal plates of the two right-angle loading plates are provided with through holes for penetrating the building anchor bolt, the screw rod is connected with the vertical plates of the two right-angle loading plates, the annular force transducer penetrates the screw rod and is positioned outside the vertical plates of any right-angle loading plate, and the two ends of the screw rod are screwed into nuts.
Further, a right-angle loading plate provided with the annular force transducer is provided with a reserved hole site for accommodating the annular force transducer on the horizontal plate.
The second test device for detecting the shearing resistance of the building anchor bolt comprises two right-angle loading plates and a penetrating jack, wherein the two right-angle loading plates are arranged at intervals, a through hole for penetrating the building anchor bolt is formed in a horizontal plate of each right-angle loading plate, and the penetrating jack is arranged between vertical plates of the two right-angle loading plates.
Further, the device also comprises a screw rod, wherein the screw rod is connected with the vertical plates of the two right-angle loading plates, and the penetrating jack penetrates through the screw rod and then is arranged between the vertical plates of the two right-angle loading plates.
In the two test devices, the two right-angle loading plates are provided with reinforcing rib plates between the horizontal plate and the vertical plate, the size of the rib plates is basically covered on the upper edge of the annular force transducer in the vertical direction, and the horizontal direction is basically covered on the position of the anchor bolt through hole on the horizontal plate.
The shear performance detection test device for the building anchor bolt adopts the technical scheme that the device comprises two right-angle loading plates, a screw rod and an annular force transducer or a penetrating jack, wherein the two right-angle loading plates are arranged at intervals, the horizontal plates of the two right-angle loading plates are provided with through holes for penetrating the building anchor bolt, the screw rod is connected with the vertical plates of the two right-angle loading plates, the annular force transducer penetrates the screw rod and is positioned at the outer side of the vertical plate of any right-angle loading plate, or the penetrating jack penetrates the screw rod and is positioned between the vertical plates of the two right-angle loading plates, and two ends of the screw rod are screwed with nuts. The device has the advantages of simple structure, low manufacturing cost and flexible and changeable application scene, is suitable for the shear performance detection test of the anchor bolts adjacently arranged on the large-scale planes such as the ground, the wall surface, the ceiling bottom surface and the like, and ensures the anchoring quality of the anchor bolts.
Drawings
The utility model is described in further detail below with reference to the attached drawings and embodiments:
FIG. 1 is a schematic diagram of a test apparatus for detecting shear performance of a building anchor bolt according to the present utility model;
FIG. 2 is a schematic view of another test apparatus for shear performance detection of a construction anchor according to the present utility model.
Detailed Description
The utility model comprises two test devices, one of which is shown in fig. 1, wherein the test device for detecting the shear performance of a building anchor bolt comprises two right-angle loading plates 1, a screw rod 2 and an annular force transducer 3, the two right-angle loading plates 1 are arranged at intervals, a horizontal plate 11 of each right-angle loading plate 1 is provided with a through hole for penetrating a building anchor bolt 10, the screw rod 2 is connected with a vertical plate 12 of each right-angle loading plate 1, the annular force transducer 3 penetrates into the screw rod 2 and is positioned outside the vertical plate 12 of any right-angle loading plate 1, and two ends of the screw rod 2 are screwed into nuts 21.
Preferably, the right-angle loading plate 1 provided with the annular force sensor 3 is provided with reserved hole sites 14 for accommodating the annular force sensor 3 in the horizontal plate 11.
The reserved hole of the annular force transducer is arranged on the horizontal plate of the right-angle loading plate, so that the axis of the loading force is close to the surface of the component as much as possible, and the stress of the anchor bolt outside the shearing force is reduced as much as possible. Because the loading force axis is a certain distance from the surface of the component, the tested anchor bolt will bear a certain pulling-up force in addition to the shearing force. The axial line of the loading force is close to the surface of the component as much as possible, so that the upward pulling force borne by the anchor bolt is as small as possible, the loading force is close to the stress working condition in actual use, and the accuracy of the shear performance detection is ensured.
When the shear performance detection test of the building anchor bolts is carried out, the two anchor bolts which are arranged at intervals penetrate into the through holes of the horizontal plates of the two right-angle loading plates and then are fastened by nuts, the screw penetrates into the vertical plates of the two right-angle loading plates, the annular force transducer penetrates into the screw and is positioned at the outer side of the vertical plate of any right-angle loading plate, the nuts are screwed into the two ends of the screw, the nuts are continuously screwed into the vertical plates of the two right-angle loading plates, the horizontal plates of the right-angle loading plates apply shear force to the anchor bolts, the annular force transducer detects the shear load of the anchor bolts in real time, and the shear performance detection test of the anchor bolts is realized.
Secondly, as shown in fig. 2, the test device for detecting the shearing resistance of the building anchor bolt comprises two right-angle loading plates 1 and a penetrating jack 4, wherein the two right-angle loading plates 1 are arranged at intervals, a through hole for penetrating the building anchor bolt 10 is formed in a horizontal plate 11 of each right-angle loading plate 1, and the penetrating jack 4 is arranged between vertical plates 12 of the two right-angle loading plates 1.
Preferably, the device further comprises a screw rod 2, wherein the screw rod 2 is connected with the vertical plates 12 of the two right-angle loading plates 1, and the penetrating jack 4 is placed between the vertical plates 12 of the two right-angle loading plates 1 after penetrating the screw rod 2.
During a building anchor bolt shearing resistance detection test, two anchor bolts which are arranged at intervals are penetrated into through holes of horizontal plates of two right-angle loading plates and then fastened by nuts, and a penetrating jack is arranged between vertical plates of the two right-angle loading plates; and starting the penetrating jack to apply thrust to the vertical plates of the two right-angle loading plates, and simultaneously applying shearing force to the anchor bolt by the horizontal plates of the right-angle loading plates, wherein the thrust of the penetrating jack is the shearing load of the anchor bolt at the moment, so that the detection test of the shearing resistance of the anchor bolt is realized. When working at a certain distance from the ground, the screw rod can penetrate into the holes of the penetrating jack and the vertical plate, and the jack and the loading plate are penetrated together, so that the falling of the penetrating jack during unloading is avoided, and the safe performance of test operation is ensured. Simultaneously, the punching jack can adopt the stock to draw the appearance, and the stock draws the appearance to integrate and has the punching jack, and but the thrust of real-time detection punching jack, the shearing load of visual display crab-bolt.
In the two test devices, the two right-angle loading plates 1 are provided with reinforcing rib plates 13 between the horizontal plates 11 and the vertical plates 12. The reinforcing rib plates are used for improving the capability of the right-angle loading plate for bearing horizontal force and avoiding the horizontal plate or the vertical plate of the right-angle loading plate from being bent and damaged after being stressed.
In the detection test process of the shearing resistance of the anchor bolts, the device does not need to use the corners of the concrete member as a counter force support, the two anchor bolts to be detected mutually provide counter force in the shearing load loading process, and the device has the advantages of simple structure, convenience in operation, capability of simultaneously detecting the shearing resistance of the two anchor bolts by one-time assembly, and capability of additionally arranging an auxiliary anchor bolt to provide counter force if only the shearing resistance of a single anchor bolt is detected; the method is applicable to various detection test conditions of the shearing resistance of the anchor bolts, greatly improves test operation efficiency and ensures the anchoring performance of the anchor bolts.
Claims (5)
1. A test device for building crab-bolt shear performance detects, its characterized in that: the device comprises two right-angle loading plates, a screw rod and an annular force transducer, wherein the two right-angle loading plates are arranged at intervals, a through hole for penetrating a building anchor bolt is formed in a horizontal plate of each right-angle loading plate, the screw rod is connected with a vertical plate of each right-angle loading plate, the annular force transducer penetrates into the screw rod and is located on the outer side of the vertical plate of any right-angle loading plate, and nuts are screwed into two ends of the screw rod.
2. The test device for detecting shear performance of a building anchor bolt according to claim 1, wherein: the right-angle loading plate provided with the annular force transducer is provided with a reserved hole site for accommodating the annular force transducer on the horizontal plate.
3. A test device for building crab-bolt shear performance detects, its characterized in that: the device comprises two right-angle loading plates and a penetrating jack, wherein the two right-angle loading plates are arranged at intervals, a through hole for penetrating a building anchor bolt is formed in a horizontal plate of each right-angle loading plate, and the penetrating jack is arranged between vertical plates of the two right-angle loading plates.
4. A test device for shear performance detection of a construction anchor according to claim 3, wherein: the device also comprises a screw rod, wherein the screw rod is connected with the vertical plates of the two right-angle loading plates, and the penetrating jack penetrates through the screw rod and then is arranged between the vertical plates of the two right-angle loading plates.
5. A test device for shear performance detection of a construction anchor according to claim 1 or 3, characterized in that: and reinforcing rib plates are arranged between the horizontal plates and the vertical plates of the two right-angle loading plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223429869.7U CN219625252U (en) | 2022-12-21 | 2022-12-21 | Test device for detecting shearing resistance of building anchor bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223429869.7U CN219625252U (en) | 2022-12-21 | 2022-12-21 | Test device for detecting shearing resistance of building anchor bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219625252U true CN219625252U (en) | 2023-09-01 |
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ID=87774687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223429869.7U Active CN219625252U (en) | 2022-12-21 | 2022-12-21 | Test device for detecting shearing resistance of building anchor bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219625252U (en) |
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2022
- 2022-12-21 CN CN202223429869.7U patent/CN219625252U/en active Active
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