Anchor cable load test device

Abstract

The utility model relates to the technical field of bridge construction, in particular to an anchor cable load test device which comprises a stretching piece and a fixing structure arranged at one end of the stretching piece, an anchor cable penetrates through the center of the stretching piece and the center of the fixing structure, and the fixing structure is detachably connected with the stretching piece. The fixing structure comprises a supporting ring and fixing rods arranged on the periphery of the supporting ring, and the multiple fixing rods can slide towards the circle center position of the supporting ring and abut against the anchor cable. The anchor cable penetrates through the supporting frame and is connected with the hollow hydraulic jack, the anchor cable penetrates out of the supporting ring, the fixing rod is pushed to abut against the anchor cable, the anchor cable testing device can be suitable for anchor cables at different positions, the connecting strength between the anchor cable and the hollow hydraulic jack can be enhanced by arranging the fixing structure, and the testing result is more accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction technical field, especially a kind of anchor cable load test device. BACKGROUND

[0002] Anchor cable can be embedded into rock-soil body inside underground, provide additional friction resistance to resist external damage, so as to improve the stability of the entire support structure, meanwhile, anchor cable can also use prestress principle to make support system produce compression deformation, reduce pressure impact in subsequent construction process, by the setting of anchor cable, the deformation and settlement of bridge structure can be effectively controlled, and the overall stability of bridge is enhanced.

[0003] After anchor cable connection, anchor cable needs to be tested, anchor cable load test can determine the deformation and stress state of anchor cable under different load, which is an important means to evaluate the mechanical properties of anchor cable, through the test, the behavior of anchor cable in stress process can be intuitively understood, including its carrying capacity, deformation characteristics and stability etc. The existing load test device is often large in structure, and is mostly suitable for flat ground. In the process of bridge building, many anchor cables need to be driven into rock mass of hillside. Large load test device is often difficult to fix on the surface of rock mass for testing. Some smaller load test devices can be connected to anchor cables at different positions, and hollow hydraulic jack and anchor cable are connected inside for testing. However, the connection between the two is often not stable enough, and they are often separated or slide during testing, which greatly reduces the test results. SUMMARY

[0004] In view of the technical problems in the background art, the purpose of the utility model is to provide an anchor cable load test device, which can strengthen the connection strength between anchor cable and test device, and make the test results more accurate.

[0005] To achieve the above-mentioned purpose, the technical scheme provided by the utility model is as follows:

[0006] An anchor cable load test device, comprising a stretching piece and a fixing structure arranged at one end of the stretching piece, the anchor cable passes through the center of the stretching piece and the fixing structure, the fixing structure and the stretching piece are detachably connected, the fixing structure comprises a support ring and a fixing rod arranged around the support ring, and the fixing rods are slidably arranged at the position of the center of the support ring and abut against the anchor cable.

[0007] Preferably, a plurality of support holes are arranged on the circumferential surface of the support ring, and the fixing rods are slidably arranged in the support holes.

[0008] Preferably, protrusions are arranged on both sides of the fixing rod, and when one end of the fixing rod abuts against the anchor cable, the protrusions abut against the support ring.

[0009] As preferred, a plurality of threaded holes I are arranged on the support ring, a plurality of threaded holes II are arranged on the protruding block, the threaded holes I and the threaded holes II are aligned, and bolts are arranged in the threaded holes I and the threaded holes II.

[0010] As preferred, the stretching member comprises a telescopic driving mechanism and a support frame for supporting the telescopic driving mechanism, the support frame has a clamping groove inside, and the anchor cable is connected through the clamping groove and the telescopic driving mechanism.

[0011] As preferred, the bottom of the telescopic driving mechanism is detachably provided with an abutting block, and the abutting block is arranged in the clamping groove.

[0012] The utility model has the advantages and beneficial effects that:

[0013] In the utility model, the support frame is placed on the surface of the rock mass, the hollow hydraulic jack and the support frame are fixed through the abutting block, the anchor cable is connected through the support frame and the hollow hydraulic jack, the anchor cable is pulled out from the support ring, the fixed rod is pushed to make the fixed rod abut against the anchor cable, the anchor cable at different positions can be adapted, the connection strength between the anchor cable and the hollow hydraulic jack is enhanced through the fixed structure, and the test result is more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model provides a three-dimensional view of the anchor cable load test device.

[0015] Figure 2 The utility model provides a front view of the anchor cable load test device.

[0016] Figure 3 The utility model provides a sectional view of the anchor cable load test device.

[0017] Figure 4 The utility model provides a fixed structure explosion map of the anchor cable load test device.

[0018] The drawings show that 1 is an anchor cable, 2 is a support frame, 21 is a clamping groove, 22 is an abutting block, 3 is a hollow hydraulic jack, 31 is a sleeve, 32 is a hollow shaft, 4 is a fixed structure, 41 is a support ring, 42 is a support hole, 421 is a threaded hole I, 43 is a fixed rod, 44 is a protruding block, and 441 is a threaded hole II. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model.

[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0021] Example

[0022] like Figures 1-4 As shown, an anchor cable load testing device includes a tension member and a fixed structure 4 disposed at one end of the tension member. The tension member includes a telescopic drive mechanism and a support frame 2 for supporting the telescopic drive mechanism. The telescopic drive mechanism adopts a hollow hydraulic jack 3. The hollow hydraulic jack 3 includes a sleeve 31 and a hollow shaft 32 disposed within the sleeve 31. The sleeve 31 is connected to a hydraulic component, which drives the hollow shaft 32 to slide within the sleeve 31. The support frame 2 is connected to the rock mass. The support frame 2 is hollow inside and has a groove 21 inside. An abutment block 22 is disposed within the groove 21, which passes through one end of the support frame 2. The bottom of the hollow hydraulic jack 3 is detachably provided with the abutment block 22. The abutment block 22 is inserted into the support frame 2 from the bottom end. The hollow hydraulic jack 3 is placed above the support frame 2. The abutment block 22 and the hollow hydraulic jack 3 are connected by a screw. This method facilitates the connection of various components and increases the efficiency of the test.

[0023] like Figures 1-4 As shown, the anchor cable 1 passes through the slot 21 and connects to the hollow hydraulic jack 3. The fixing structure 4 is set at the position of the hollow shaft 32. The fixing structure 4 includes a support ring 41 and fixing rods 43 set around the support ring 41. The anchor cable 1 passes through the center of the support ring 41. The bottom of the support ring 41 and the hollow shaft 32 are fixed by screws. When the hollow shaft 32 slides, the fixing structure 4 slides synchronously. Several support holes 42 are provided on the circumferential surface of the support ring 41. The fixing rods 43 are slidably set in the support holes 42, and the several fixing rods 43 can... The fixed rod 43 slides towards the center of the support ring 41 and abuts against the anchor cable 1. Protrusions 44 are provided on both sides of the fixed rod 43. When one end of the fixed rod 43 abuts against the anchor cable 1, the protrusions 44 abut against the support ring 41. The support ring 41 is provided with several threaded holes I 421, and the protrusions 44 are provided with threaded holes II 441. The threaded holes I 421 and II 441 are aligned, and bolts are provided in the threaded holes I 421 and II 441. When the fixed rod 43 abuts against the anchor cable 1, the bolts can be screwed in to strengthen the connection between the fixed structure 4 and the anchor cable 1.

[0024] Working principle: first, the test device is transported to the anchor cable 1 position where the test is needed, because each structure of the test device is designed in a detachable connection mode, it is more convenient during transportation, first, the abutting block 22 is inserted into the clamping groove 21, the anchor cable 1 passes through the support frame 2, the abutting block 22 and the hollow hydraulic jack 3, the abutting block 22 and the hollow hydraulic jack 3 are connected, then the support frame 2 is fixed on the rock mass, the support ring 41 is installed on the hollow shaft 32, at the same time, the anchor cable 1 passes through the center of the support ring 41, the fixed rod 43 is connected in the support hole 42, the fixed rod 43 and the several anchor cables 1 abut, the bolt is inserted into the threaded hole II 441 and the threaded hole I 421, the fixed rod 43 and the support ring 41 are fixedly connected, at this time, the anchor cable 1 and the hollow hydraulic jack 3 are connected, the connection strength between the anchor cable 1 and the hollow hydraulic jack 3 can be strengthened, so that the test result is more accurate.

[0025] The preferred embodiments of the utility model are merely used for limiting the utility model, for those skilled in the art, the utility model can have various changes and changes, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An anchor cable load testing device comprising a tension member and a fixed structure provided at one end of the tension member, characterized in that, The stretching member and the fixing structure are hollow structures, the anchor cable passes through the centers of the stretching member and the fixing structure, the fixing structure and the stretching member are detachably connected, the fixing structure comprises a supporting ring and fixing rods which are uniformly distributed around the supporting ring, the fixing rods are slidingly arranged on the inner wall of the supporting ring, and the fixing rods are slidingly abutted against the anchor cable at the center of the supporting ring.

2. A mooring line load testing device according to claim 1, wherein, A plurality of supporting holes are arranged on the circumferential surface of the supporting ring, and the fixing rods are slidingly arranged in the supporting holes.

3. A mooring line load testing apparatus according to claim 2, wherein, Protrusions are arranged on the two sides of the fixing rods, and the protrusions are abutted against the supporting ring when one end of the fixing rod is abutted against the anchor cable.

4. An anchor line load testing device according to claim 3, wherein, A plurality of threaded holes I are arranged on the supporting ring, threaded holes II are arranged on the protrusions, the threaded holes I and the threaded holes II are aligned, and bolts are arranged in the threaded holes I and the threaded holes II.

5. The mooring line load testing apparatus of claim 1, wherein, The stretching member comprises a telescopic driving mechanism and a supporting frame for supporting the telescopic driving mechanism, the supporting frame has a clamping groove inside, and the anchor cable is connected by passing through the clamping groove and the telescopic driving mechanism.

6. An anchor line load testing device according to claim 5, wherein, An abutting block is detachably arranged at the bottom of the telescopic driving mechanism, and the abutting block is arranged in the clamping groove.

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