Support anchor rod anti-pulling test angle self-adjusting support

Abstract

This utility model discloses a self-adjusting support for the pull-out test angle of a support anchor, relating to the field of building engineering technology. It includes a first hemispherical hinge support, a second hemispherical hinge support, and a sleeve. The first hemispherical hinge support is located at the upper end of the sleeve, and the second hemispherical hinge support is located at the lower end of the sleeve. The sleeve has arched openings at both ends for installing the first and second hemispherical hinge supports. Both the first and second hemispherical hinge supports have arc-shaped surfaces on their contact sides with the sleeve. This utility model, by providing arched openings at both ends of the sleeve that contact the arc-shaped surfaces of the two hemispherical hinge supports, achieves automatic adjustment of the pull-out test angle of the support anchor through the contact and rotation between the hemispherical hinge supports and the sleeve. This adapts to the slope and angle of the slope or foundation pit where the support anchor is located, avoiding multiple manual adjustments and improving testing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of building engineering technology, specifically a self-adjusting support for the pull-out test angle of a support anchor. Background Technology

[0002] In modern engineering construction, anchor bolts, as crucial support structural components, play a vital role in ensuring the stability and safety of the entire project through accurate quality testing. Anchor bolt pull-out tests, an important method for testing anchor bolt quality, are conducted throughout the entire anchor bolt construction process. However, due to limitations in testing sites and equipment, certain problems exist during anchor bolt pull-out tests: First, the extended portion of the anchor bolt on the test surface may bend under gravity, making it difficult to align jacks and other equipment with the anchor bolt, and potentially causing bending damage. Second, misalignment of equipment can lead to a mismatch between the load direction and the anchor bolt installation angle, resulting in discrepancies between the test data and the actual deformation displacement. This necessitates multiple manual adjustments of jacks, pressure plates, and other devices, which is inefficient. Third, anchor bolt pull-out test sites are complex and varied, often including unconventional environments such as mountain slopes and deep foundation pit sidewalls, making device adjustments in such settings highly dangerous.

[0003] Based on this, a self-adjusting support for the pull-out test angle of the anchor bolt is provided, which can eliminate the drawbacks of the existing device. Utility Model Content

[0004] The purpose of this invention is to provide a self-adjusting support for the pull-out test angle of a support anchor bolt, so as to solve the problems in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A self-adjusting support for pull-out resistance testing of anchor bolts includes a first hemispherical hinge support, a second hemispherical hinge support, and a sleeve. The first hemispherical hinge support is located at the upper end of the sleeve, and the second hemispherical hinge support is located at the lower end of the sleeve. The sleeve has arched openings at both the upper and lower ends for installing the first and second hemispherical hinge supports. The side of the first and second hemispherical hinge supports that contacts the sleeve has an arc surface.

[0007] Based on the above technical solutions, this utility model also provides the following optional technical solutions:

[0008] In one alternative: the first hemispherical hinge support has a support plane on the side away from the sleeve, and the first hemispherical hinge support has a through hole in the middle for inserting the anchor rod.

[0009] In one alternative: the diameter of the through hole is the same as the inner diameter of the sleeve.

[0010] In one alternative: the second hemispherical hinge support and the first hemispherical hinge support have the same structure.

[0011] In one alternative: the arc surface has the same curvature as the arched opening.

[0012] In one alternative: two observation holes are symmetrically provided in the middle of the sleeve.

[0013] In one alternative: two support frames are symmetrically provided on both sides of the sleeve. The support frame includes mounting grooves provided on both sides of the sleeve. A vertical sliding groove is provided in the mounting groove. A first locking groove is evenly distributed on one side of the vertical sliding groove. A folding support rod is provided in the mounting groove.

[0014] In one alternative embodiment: the folding support rod includes a first rod and a second rod. The upper end of the first rod is slidably installed in a vertical groove, and the lower end of the first rod is provided with a storage groove. The storage groove is provided with second slots on both sides. One end of the second rod is rotatably installed in an installation groove, and the other end is rotatably installed in the storage groove.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] This invention features arched openings at both ends of a sleeve, which contact the arc surfaces of two hemispherical hinge supports. Through the contact and rotation between the hemispherical hinge supports and the sleeve, the support achieves automatic adjustment of the pull-out test angle of the anchor rod. This adapts to the slope and angle of the slope or foundation pit where the anchor rod is located, avoiding multiple manual adjustments, improving testing efficiency, solving the problem of vertical control between the anchor rod and the force-bearing surface of the reaction support during anchor rod testing, and effectively ensuring the accuracy of the test results. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model.

[0018] Figure 2 This is a schematic diagram of the axial cross-section structure of this utility model.

[0019] Figure 3 This is a schematic diagram of the structure of the first hemispherical hinge support in this utility model.

[0020] Figure 4 This is a schematic diagram of the support frame in this utility model.

[0021] Figure reference numerals: 100, First hemispherical hinge support; 101, Arc surface; 102, Support plane; 103, Through hole; 200, Second hemispherical hinge support; 300, Sleeve; 301, Arched opening; 302, Observation hole; 400, Support frame; 401, Mounting groove; 402, Vertical sliding groove; 403, First slot; 404, First rod; 405, Storage groove; 406, Second rod; 407, Second slot. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0023] Example 1

[0024] In one embodiment, such as Figures 1-3 As shown, a self-adjusting support for the pull-out resistance test of a support anchor includes a first hemispherical hinge support 100, a second hemispherical hinge support 200, and a sleeve 300. The first hemispherical hinge support 100 is located at the upper end of the sleeve 300, and the second hemispherical hinge support 200 is located at the lower end of the sleeve 300. The sleeve 300 has arched openings 301 at both the upper and lower ends for installing the first hemispherical hinge support 100 and the second hemispherical hinge support 200. Both the first hemispherical hinge support 100 and the second hemispherical hinge support 200 have an arc surface 101 on the side that contacts the sleeve 300. In use, the test anchor is placed sequentially from bottom to top... The test jack passes through the pressure plate, the second hemispherical hinge support 200, the sleeve 300, the first hemispherical hinge support 100, and the test through-hole jack. Then the jack is started for testing. Due to the geometric characteristics of the spherical structure, when the arched opening 301 of the sleeve 300 contacts the arc surface 101 of the first hemispherical hinge support 100 and the second hemispherical hinge support 200, the contact point can move freely on the spherical surface to achieve the minimum friction and the most stable support. Then the angle is automatically adjusted to find the center of force and transmit the force to the reaction device, so as to realize the automatic adjustment of the central axis of the jack to be consistent with the axis of the anchor rod.

[0025] In one embodiment, such as Figure 3 As shown, the first hemispherical hinge support 100 has a support plane 102 on the side away from the sleeve 300. The first hemispherical hinge support 100 has a through hole 103 in the middle for inserting the anchor rod. In use, the test anchor rod is passed through the through hole 103 and the support plane 102 is made to fit with the through jack.

[0026] In one embodiment, the diameter of the through hole 103 is the same as the inner diameter of the sleeve 300. In use, the test anchor rod is passed through the bearing plate, the second hemispherical hinge support 200, the sleeve 300, the first hemispherical hinge support 100, and the test through jack from bottom to top.

[0027] In one embodiment, the second hemispherical hinge support 200 and the first hemispherical hinge support 100 have the same structure.

[0028] In one embodiment, such as Figure 2 As shown, the arc surface 101 and the arched opening 301 have the same curvature. The angle is automatically adjusted by the contact rotation between the arc surface 101 and the arched opening 301.

[0029] In one embodiment, such as Figure 1 and Figure 2 As shown, two observation holes 302 are symmetrically opened in the middle of the sleeve 300, which facilitates the observation of the status of the anchor rod.

[0030] The above embodiments disclose a self-adjusting support for the pull-out resistance test of anchor bolts. In use, the test anchor bolt is passed sequentially from bottom to top through a bearing plate, a second hemispherical hinge support 200, a sleeve 300, a first hemispherical hinge support 100, and a test through-hole jack. All these devices are placed coaxially and in close contact with each other. Then, a tool anchor is installed on the test jack for fixation. After the jack is started, due to the geometric characteristics of the spherical structure, when the arched opening 301 of the sleeve 300 contacts the arc surface 101 of the first hemispherical hinge support 100 and the second hemispherical hinge support 200, the contact point can move freely on the spherical surface to achieve minimal friction and the most stable support. This automatically adjusts the angle, aligns the center of force, and transmits the force to the reaction device, achieving automatic adjustment of the jack's central axis to be consistent with the anchor bolt axis. This effectively solves the problem of perpendicular control between the anchor bolt and the reaction support's force-bearing surface during anchor bolt testing, avoids multiple manual adjustments, and improves testing efficiency.

[0031] Example 2

[0032] The difference from Example 1 is that, as Figure 4As shown, two support frames 400 are symmetrically arranged on both sides of the sleeve 300. Each support frame 400 includes mounting grooves 401 on both sides of the sleeve 300. A vertical sliding groove 402 is provided within the mounting groove 401. First slots 403 are evenly distributed on one side of the vertical sliding groove 402. A folding support rod is provided within the mounting groove 401. The folding support rod includes a first rod 404 and a second rod 406. The upper end of the first rod 404 is slidably installed within the vertical sliding groove 402. A storage groove 405 is provided at the lower end of the first rod 404. Second slots 406 are provided on both sides of the storage groove 405. The second rod 406 is rotatably installed in the mounting groove 401 at one end and in the storage groove 405 at the other end. The support frame 400 keeps the sleeve 300 stable during the test, preventing the sleeve 300 from shaking and affecting the test results. When storing, the upper end of the first rod 404 is disengaged from the first slot 403 and moves upward along the vertical slide groove 402, while driving the second rod 406 to rotate until the second rod 406 is embedded in the storage groove 405, and the first rod 404 is embedded in the mounting groove 401.

[0033] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A self-adjusting support for pull-out testing of support anchors, characterized in that It includes a first hemispherical hinge support (100), a second hemispherical hinge support (200), and a sleeve (300). The first hemispherical hinge support (100) is located at the upper end of the sleeve (300), and the second hemispherical hinge support (200) is located at the lower end of the sleeve (300). The sleeve (300) has arched openings (301) at both the upper and lower ends for installing the first hemispherical hinge support (100) and the second hemispherical hinge support (200). The side of the first hemispherical hinge support (100) and the second hemispherical hinge support (200) that contacts the sleeve (300) has an arc surface (101).

2. The self-adjusting support for pull-out test angle of a support anchor bolt according to claim 1, characterized in that, The first hemispherical hinge support (100) has a support plane (102) on the side away from the sleeve (300), and the first hemispherical hinge support (100) has a through hole (103) in the middle for inserting the anchor rod.

3. The self-adjusting support for pull-out test angle of a support anchor bolt according to claim 2, characterized in that, The diameter of the through hole (103) is the same as the inner diameter of the sleeve (300).

4. The self-adjusting support for pull-out test angle of a support anchor bolt according to claim 1, characterized in that, The second hemispherical hinge support (200) and the first hemispherical hinge support (100) have the same structure.

5. The self-adjusting support for the pull-out test angle of a support anchor bolt according to claim 1, characterized in that, The arc surface (101) has the same curvature as the arched opening (301).

6. The self-adjusting support for pull-out test angle of a support anchor bolt according to claim 1, characterized in that, Two observation holes (302) are symmetrically provided in the middle of the sleeve (300).

7. The self-adjusting support for pull-out test angle of a support anchor bolt according to claim 1, characterized in that, Two support frames (400) are symmetrically provided on both sides of the sleeve (300). The support frame (400) includes a mounting groove (401) provided on both sides of the sleeve (300). A vertical sliding groove (402) is provided in the mounting groove (401). A first slot (403) is evenly distributed on one side of the vertical sliding groove (402). A folding support rod is provided in the mounting groove (401).

8. The self-adjusting support for pull-out test angle of a support anchor bolt according to claim 7, characterized in that, The folding support rod includes a first rod (404) and a second rod (406). The upper end of the first rod (404) is slidably installed in a vertical groove (402). The lower end of the first rod (404) is provided with a storage groove (405). The storage groove (405) is provided with second slots (407) on both sides. One end of the second rod (406) is rotatably installed in a mounting groove (401), and the other end is rotatably installed in the storage groove (405).

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