CN220019169U - Anchor rod drawing test fixture - Google Patents

Abstract

The utility model discloses an anchor rod drawing test fixture which comprises a first component and a second component, wherein the first component and the second component are mutually buckled and matched to surround an anchor rod, the first component is provided with a sliding block which abuts against the side part of the anchor rod, meanwhile, the first component is in threaded connection with a locking screw which abuts against the sliding block, the bottom surface of the second component is provided with a bearing plate, and meanwhile, two sides of the bottom surface of the second component are provided with adjusting screws which abut against two sides of the bearing plate respectively and thread seats which are in threaded connection with the adjusting screws, and the bearing plate is driven to be perpendicular to the anchor rod by the jacking of the adjusting screws. According to the anchor rod drawing test fixture, when an anchor rod drawing test is carried out, the adjusting screw is screwed to enable the screw to push the bearing plate, and as the adjusting screws on two sides are respectively pushed from two sides of the bearing plate, the bearing plate can generate certain deformation swing due to the adjusting screw, so that the angle of the bearing plate can be adjusted to be perpendicular to the anchor rod.

Description

Anchor rod drawing test fixture

Technical Field

The utility model relates to the technical field of engineering monitoring, in particular to an anchor rod drawing test fixture.

Background

When the foundation pit supporting anchor rod anti-pulling test is carried out, the axial displacement of the anchor head or a rod body near the anchor head is measured, a clamp or a small steel plate can be arranged on the anchor rod body or welded for conveniently installing and displacing the test instrument, then the displacement sensor is abutted against the steel plate, when the hydraulic jack applies a pulling force to the anchor rod, the anchor rod can generate certain displacement, and the bearing plate can also generate displacement and be identified by the displacement sensor. In order for the test to obtain accurate data, the anchor rod and the bearing plate must be perpendicular to each other. However, in the prior art, the anchor rod is generally connected with the bearing plate in a welding mode, so that the angle of the bearing plate after welding is difficult to adjust.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides the anchor rod drawing test fixture which is novel and reliable in structure, and can be used for conveniently adjusting the angle of the bearing plate to enable the angle to be perpendicular to an anchor rod and improving the accuracy of a monitoring result.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a stock drawing test fixture, includes first subassembly and second subassembly, first subassembly and the mutual lock joint of second subassembly and cooperation surround the stock, first subassembly is provided with the slider of conflict stock lateral part, and threaded connection has the roof pressure on this first subassembly simultaneously locking screw of slider, second subassembly bottom surface shaping has the bearing plate, simultaneously second subassembly bottom surface both sides are provided with respectively roof pressure bearing plate two sides adjusting screw and confession adjusting screw threaded connection's screw thread seat is in order to drive bearing plate and stock perpendicularly through adjusting screw roof pressure. The beneficial effects of the utility model are as follows: when the anchor rod drawing test fixture is used for carrying out anchor rod drawing test, the first component and the second component surround an anchor rod in a mutually buckling mode, the anchor rod is clamped by tightening the locking screw to fixedly connect the fixture with the anchor rod, then the screw is screwed to push the bearing plate by screwing the adjusting screw, and as the adjusting screws on two sides are respectively pushed from two sides of the bearing plate, the bearing plate can generate certain deformation and swing due to the adjusting screw, so that the angle of the bearing plate can be adjusted to be perpendicular to the anchor rod.

Preferably, a partition plate is arranged in the first component, the partition plate is provided with a special-shaped guide hole for guiding the sliding block to slide along the direction perpendicular to the partition plate, meanwhile, a limiting block is formed at one end, far away from the anchor rod, of the sliding block, and the projection of the limiting block on the partition plate is beyond the area outside the special-shaped guide hole. The special-shaped guide hole is of a non-circular structure, so that the sliding block can be prevented from rotating, and the limiting block can prevent the sliding block from sliding out of the special-shaped guide hole.

Preferably, a nut is welded on the top of the first component, and the nut is in threaded connection with the locking screw. The threaded connection between the locking screw and the first component can be achieved by means of a nut.

Preferably, the slider is formed with an arc-shaped part at one end abutting against the anchor rod, and the arc-shaped part is matched with the surface of the anchor rod. The arc-shaped part can enable the sliding block to be tightly attached to the anchor rod, so that the anchor rod can be effectively locked.

Preferably, the inner side of the second component is formed with an arc surface matched with the surface of the anchor rod. The cambered surface can enable the sliding block to be tightly attached to the anchor rod, so that the anchor rod can be effectively locked.

Preferably, the outer sides of the first component and the second component are respectively provided with a buckling groove and a buckling strip which are mutually matched and buckled.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

FIG. 2 is a schematic diagram of a second perspective structure of the present utility model.

Fig. 3 is a side view of the present utility model.

Fig. 4 is a partial enlarged view of the area a in fig. 3.

Fig. 5 is a front view of the present utility model.

The device comprises a first component 1, a sliding block 11, a 111-limiting block, an arc-shaped part 112, a locking screw 12, a 13-baffle plate 131-special-shaped guide hole 14-nut 2-second component 21-bearing plate 22-adjusting screw 23-arc-shaped surface 24-thread seat 31-fastening groove 32-fastening strip 4-anchor rod.

Description of the embodiments

The following description of the embodiments of the present utility model will be made more complete and less obvious to those skilled in the art, based on the embodiments of the present utility model, for a part, but not all of the embodiments of the present utility model, without making any inventive effort.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 5, an anchor rod drawing test fixture in this embodiment includes a first component 1 and a second component 2, where the first component 1 and the second component 2 are fastened to each other and cooperate to enclose an anchor rod 4, specifically, fastening slots 31 and fastening strips 32 that are fastened to each other are formed on the outer sides of the first component 1 and the second component 2 respectively, and in addition, two ends of the fastening slots 31 are opened with notches, and the fastening strips 32 can slide into the fastening slots 31 through the notches of the fastening slots 31. The first component 1 and the second component 2 are fastened with each other through the fastening groove 31 and the fastening strip 32, and in this embodiment, the first component 1 and the second component 2 are respectively arranged on the upper side and the lower side, so that the first component and the second component are combined in a vertically spliced manner, and the splicing manner is rapid and simple, so that the clamp can be spliced in the middle section of the anchor rod 4 without penetrating from the end part of the anchor rod 4.

The first component 1 is provided with a sliding block 11 which abuts against the side part of the anchor rod 4, a partition plate 13 is arranged in the first component 1, and the partition plate 13 is provided with a special-shaped guide hole 131 for guiding the sliding block to slide along the direction perpendicular to the partition plate 13. The special-shaped guide hole is of a non-circular structure, so that the sliding block 11 can be prevented from rotating, a limiting block 111 is formed at one end, far away from the anchor rod 4, of the sliding block 11, the projection of the limiting block 111 on the partition plate 13 is beyond the area outside the special-shaped guide hole 131, and the limiting block 111 can prevent the sliding block 11 from sliding out of the special-shaped guide hole 131. In addition, in this embodiment, the slider 11 is formed with an arc portion 112 at one end abutting against the anchor rod 4, the arc portion 112 is matched with the surface of the anchor rod 4, the first component 1 is screwed with a locking screw 12 that pushes against the slider 11, the top of the first component 1 is welded with a nut 14, the nut 14 is screwed with the locking screw 12, and the arc portion 112 can enable the slider 11 to be tightly attached to the anchor rod 4, so that the anchor rod 4 can be effectively locked.

The bottom surface of the second component 2 is provided with a bearing plate 21, and simultaneously, two sides of the bottom surface of the second component 2 are provided with adjusting screws 22 respectively propping against two sides of the bearing plate 21 and screw thread seats 24 for the threaded connection of the adjusting screws 22, and the bearing plate 21 is driven to be perpendicular to the anchor rod 4 by propping against the adjusting screws 22. Furthermore, in this embodiment, the inner side of the second component 2 is formed with a cambered surface 23 that matches the surface of the anchor rod 4. The cambered surface 23 can enable the sliding block 11 to be tightly attached to the anchor rod 4, so that the anchor rod 4 can be effectively locked.

The anchor rod drawing test fixture in this embodiment is used in the following manner: after the first component 1 and the second component 2 are split, the first component 1 and the second component 2 are spliced from the upper side and the lower side of the anchor rod 4 respectively to be matched with the anchor rod 4, and the buckling strip 32 can slide into the buckling groove 31 through the notch of the buckling groove 31 during splicing. Then the locking screw 12 is screwed down, the locking screw 12 is used for pushing the sliding block 11 to clamp and fix the anchor rod 4, and the buckling groove 31 and the buckling strip 32 are buckled and locked further at the same time after the locking screw 12 is screwed down. Then, the adjusting screws 22 are screwed to push the bearing plate 21, and as the adjusting screws 22 on two sides are respectively pushed from two sides of the bearing plate 21, the bearing plate 21 can generate certain deformation and swing by the adjusting screws 22, so that the angle of the bearing plate 21 can be adjusted to be perpendicular to the anchor rod 4.

The above-described embodiments are merely preferred embodiments of the present utility model, and are not intended to limit the present utility model in any way. Any person skilled in the art can make many more possible variations and modifications of the technical solution of the present utility model or modify equivalent embodiments without departing from the scope of the technical solution of the present utility model by using the technical content disclosed above. Therefore, all equivalent changes according to the inventive concept are covered by the protection scope of the utility model without departing from the technical scheme of the utility model.

Claims (6)

1. The utility model provides a stock draws test fixture which characterized in that: including first subassembly (1) and second subassembly (2), first subassembly (1) and second subassembly (2) lock joint each other and cooperation surround stock (4), first subassembly (1) are provided with slider (11) of conflict stock (4) lateral part, and threaded connection has the roof pressure simultaneously on this first subassembly (1) locking screw (12) of slider (11), second subassembly (2) bottom surface shaping has bearing plate (21), simultaneously second subassembly (2) bottom surface both sides are provided with respectively roof pressure bearing plate (21) two sides adjusting screw (22) and confession adjusting screw (22) threaded connection's screw seat (24), roof pressure is perpendicular with drive bearing plate (21) and stock (4) through adjusting screw (22).

2. The anchor rod pullout test fixture as claimed in claim 1, wherein: be provided with baffle (13) in first subassembly (1), baffle (13) are opened have guide slider (11) along the gliding abnormal shape guide hole (131) of perpendicular to baffle (13) direction, simultaneously slider (11) are in the one end shaping that keeps away from stock (4) have stopper (111), the projection of stopper (111) on baffle (13) exists the region beyond abnormal shape guide hole (131) outside.

3. The anchor rod pullout test fixture as claimed in claim 1, wherein: the top of the first component (1) is welded with a nut (14), and the nut (14) is in threaded connection with the locking screw (12).

4. The anchor rod pullout test fixture as claimed in claim 1, wherein: the slider (11) is formed with an arc-shaped part (112) at one end which is abutted against the anchor rod (4), and the arc-shaped part (112) is matched with the surface of the anchor rod (4).

5. The anchor rod pullout test fixture as claimed in claim 1, wherein: an arc surface (23) matched with the surface of the anchor rod (4) is formed on the inner side of the second component (2).

6. The anchor rod pullout test fixture as claimed in claim 1, wherein: the outer sides of the first component (1) and the second component (2) are respectively provided with a buckling groove (31) and a buckling strip (32) which are matched and buckled mutually.