Bolt mounting bracket for anti-sliding test piece

Abstract

A bolt installation support of an anti-sliding test piece comprises a bottom plate, a case is arranged at one end of the top of the bottom plate, two rails are arranged at the other end of the top of the bottom plate, a nut fixing box capable of transversely moving towards the direction of the case is arranged on the rails, and a movable end plate used for fixing a nut is arranged at the end, facing the case, of the nut fixing box. An inner hexagonal sleeve located on a driving shaft of a driving device in the machine case is arranged at the end, facing the nut fixing box, of the machine case, a sliding groove is further formed in the top face of the bottom plate, and two test piece bearing plates capable of vertically moving are arranged in the sliding groove. The technical scheme disclosed by the utility model is combined with the existing bolt strength detection equipment, so that the installation of the bolt anti-sliding test piece is realized, the labor intensity for manufacturing the test piece is effectively reduced, and the operation safety is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of bolt detection, in particular to a bolt mounting bracket for an anti-slip test piece. Background Art

[0002] The anti-slip test specimen of the bolt is fixed by bolts on four steel plates and then subjected to a pull-out test using tension equipment. During the specimen production process, the bolts are generally tightened manually with an electric wrench. On the one hand, the labor intensity is high and the tightening degree of the bolts cannot be controlled. On the other hand, due to the large size of the bolts, the torque generated during the operation of the electric wrench is large, which poses a safety risk. Summary of the Invention

[0003] The technical problem to be solved by the utility model is to provide a bolt mounting bracket for an anti-slip test piece, which, combined with existing bolt strength testing equipment, can realize the installation of the bolt anti-slip test piece, effectively reduce the labor intensity of test piece production and ensure operation safety.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a bolt mounting bracket for an anti-slip test piece, comprising a base plate, a chassis at one end of the top of the base plate, and two tracks on the other end, a nut fixing box that can move laterally toward the chassis is provided on the track, a movable end plate for fixing the nut is provided on the end of the nut fixing box facing the chassis, and an inner hexagonal sleeve located on the drive shaft of a drive device in the chassis is provided on the end of the chassis facing the nut fixing box, and a slide groove is also provided on the top surface of the base plate, and two test piece supporting plates that can move vertically are provided in the slide groove.

[0005] In a preferred solution, the slide groove is arranged between the two rails and close to the chassis.

[0006] In a preferred solution, the direction of the chute is perpendicular to the direction of the track.

[0007] In a preferred solution, the movable end plate is provided with an inner hexagonal groove, a screw through-hole is provided in the inner hexagonal groove, the screw passes through the screw through-hole into the nut fixing box, and the nut on the screw through-hole is fixed in the inner hexagonal groove.

[0008] In a preferred embodiment, two sliders are provided in the chute, and gaps are reserved between different sides of the two sliders and the side wall of the chute, and a connecting rod is hinged on the side wall of the slider in the gap;

[0009] A fixed hinge seat is provided on different sides of both ends of the slide, and a connecting rod is also hinged on the fixed hinge seat;

[0010] The other end of the connecting rod on the slider and the other end of the connecting rod on the end of the sliding groove close to the slider are connected to two movable hinge seats on the bottom surface of the same specimen carrier plate;

[0011] An adjusting rod passing through the two sliders is arranged in the sliding groove, and two thread segments with opposite rotation directions are arranged on the adjusting rod, and the two sliders are respectively located on the two thread segments.

[0012] In a preferred solution, the movable hinge seat can move freely laterally on the bottom surface of the specimen carrier plate.

[0013] In a preferred solution, two connecting rods connected to the same specimen carrier plate are arranged crosswise, and the intersection is fixed by a pin.

[0014] In a preferred solution, a bottom guide groove is provided on the bottom surface of the slide groove, and a limit block is provided on the bottom surface of the slider, and the limit block is located in the bottom guide groove.

[0015] In a preferred solution, one end of the adjusting rod passes through the outside of the bottom plate and is connected to the driving shaft of the motor.

[0016] The bolt mounting bracket for an anti-slip test piece provided by the utility model has the following beneficial effects by adopting the above structure:

[0017] (1) The test piece support plate that can be raised and lowered can realize the production of bolt anti-slip test pieces without affecting the normal test of the bolt strength tester, replacing manual operation, which can greatly reduce labor intensity and ensure personnel safety;

[0018] (2) The lifting and lowering of the specimen support plate is realized by the motor, which can effectively control and ensure that the height of the specimen support plate is just right to achieve the above-mentioned position alignment of the bolts in the anti-slip specimen and the components in the original bolt strength tester, without relying on manual repeated adjustment and control. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 This is a schematic diagram of the movable end plate structure of the present utility model.

[0022] Figure 3 This is a schematic diagram of the internal structure of the chute of the utility model. (The initial state of the specimen carrier)

[0023] Figure 4 This is a schematic diagram of the internal structure of the chute of the utility model. (The specimen carrier plate is raised)

[0024] In the figure: base plate 1, chassis 2, hexagon socket 3, track 4, nut fixing box 5, movable end plate 6, hexagon socket slot 601, screw through hole 602, slide groove 7, bottom guide groove 701, specimen support plate 8, adjusting rod 9, threaded section 901, motor 10, slider 11, limit block 111, fixed hinge seat 12, movable hinge seat 13, connecting rod 14. DETAILED DESCRIPTION

[0025] like Figure 1-4 In the figure, a bolt mounting bracket for an anti-slip test piece includes a base plate 1, a chassis 2 is provided at one end of the top of the base plate 1, and two tracks 4 are provided on the other end. A nut fixing box 5 that can move laterally toward the chassis 2 is provided on the track 4, and a movable end plate 6 for fixing the nut is provided on the end of the nut fixing box 5 facing the chassis 2. An inner hexagonal sleeve 3 located on the drive shaft of the drive device in the chassis 1 is provided on the end of the chassis 2 facing the nut fixing box 5. A slide groove 7 is also provided on the top surface of the base plate 1, and two test piece supporting plates 8 that can move vertically are provided in the slide groove 7.

[0026] In a preferred solution, the slide groove 7 is arranged between the two rails 4 and close to the chassis 2.

[0027] In a preferred solution, the direction of the slide groove 7 is perpendicular to the direction of the track 4 .

[0028] In a preferred embodiment, a hexagonal inner groove 601 is provided on the movable end plate 6 , a screw through hole 602 is provided in the hexagonal inner groove 601 , the screw passes through the screw through hole 602 into the nut fixing box 5 , and the nut on the screw through hole 602 is fixed in the hexagonal inner groove 601 .

[0029] In a preferred embodiment, two sliders 11 are provided in the chute 7, and gaps are reserved between different sides of the two sliders 11 and the sidewalls of the chute 7, and a connecting rod 14 is hinged on the sidewalls of the sliders 11 in the gaps;

[0030] A fixed hinge seat 12 is provided on different sides of both ends of the chute 7, and a connecting rod 14 is also hinged on the fixed hinge seat 12;

[0031] The other end of the connecting rod 14 on the slider 11 and the other end of the connecting rod 14 on the end of the chute 7 close to the slider 11 are connected to two movable hinge seats 13 on the bottom surface of the same specimen carrier plate 8;

[0032] An adjusting rod 9 passing through two sliders 11 is provided in the sliding groove 7 . The adjusting rod 9 is provided with two threaded sections 901 with opposite rotation directions. The two sliders 11 are respectively located on the two threaded sections 901 .

[0033] In a preferred solution, the movable hinge seat 13 can freely move laterally on the bottom surface of the specimen holding plate 8 .

[0034] In a preferred solution, the two connecting rods 14 connected to the same specimen carrier plate 8 are arranged in a cross-like manner, and the intersection is fixed by a pin.

[0035] In a preferred solution, a bottom guide groove 701 is provided on the bottom surface of the slide groove 7 , and a limit block 111 is provided on the bottom surface of the slider 11 , and the limit block 111 is located in the bottom guide groove 701 .

[0036] In a preferred solution, one end of the adjusting rod 9 passes through the outside of the base plate 1 and is connected to the driving shaft of the motor 10 .

[0037] The present invention discloses a bolt mounting bracket for an anti-slip test piece. When performing bolt tightening operations on the anti-slip test piece:

[0038] The motor 10 is started (the motor 10 adopts a stepping motor and realizes positive and negative alternating fixed circle drive), and the slider 11 is driven to move through the adjusting rod 9 to make the specimen holding plate 8 rise.

[0039] The bolt is passed through the mounting hole on the steel plate assembly in the specimen. The bolt head is set in the hexagon socket 3 and connected to the drive device in the chassis 2. The nut is fixed through the hexagon socket 601 on the movable end plate 6. The bolt rod passes through the screw hole 602 and extends into the nut fixing box 5. Finally, the bolt is rotated by the drive device in the chassis 2 to achieve the tightening of the bolt.

[0040] Through the above design, the utility model not only improves the efficiency of bolt tightening and reduces labor intensity, but also ensures the consistency and safety of bolt tightening.

Claims

1. A bolt mounting bracket for an anti-slip test piece, comprising a base plate (1), a chassis (2) provided at one end of the top of the base plate (1), two rails (4) provided at the other end, a nut fixing box (5) capable of moving laterally toward the chassis (2) provided on the rails (4), a movable end plate (6) for fixing the nut provided at one end of the nut fixing box (5) facing the chassis (2), and an inner hexagonal socket (3) located on a drive shaft of a drive device in the chassis (2) provided at one end of the chassis (2) facing the nut fixing box (5), characterized in that: The top surface of the bottom plate (1) is further provided with a slide groove (7), and two vertically movable specimen support plates (8) are provided in the slide groove (7).

2. The bolt mounting bracket for an anti-slip test piece according to claim 1, characterized in that: The slide groove (7) is arranged between the two rails (4) and close to the chassis (2).

3. The bolt mounting bracket for an anti-slip test piece according to claim 1, characterized in that: The direction of the sliding groove (7) is arranged perpendicular to the direction of the track (4).

4. The bolt mounting bracket for an anti-slip test piece according to claim 1, characterized in that: The movable end plate (6) is provided with an inner hexagonal groove (601), a screw through hole (602) is provided in the inner hexagonal groove (601), the screw is inserted into the nut fixing box (5) through the screw through hole (602), and the nut on the screw through hole (602) is fixed in the inner hexagonal groove (601).

5. The bolt mounting bracket for an anti-slip test piece according to claim 1, characterized in that: Two sliders (11) are provided in the chute (7), and gaps are reserved between different sides of the two sliders (11) and the side wall of the chute (7), and a connecting rod (14) is hinged on the side wall of the slider (11) in the gap; A fixed hinge seat (12) is provided on different sides of both ends of the slideway (7), and a connecting rod (14) is also hinged on the fixed hinge seat (12); The other end of the connecting rod (14) on the slider (11) and the other end of the connecting rod (14) on one end of the slide groove (7) close to the slider (11) are connected to two movable hinge seats (13) on the bottom surface of the same specimen support plate (8); An adjusting rod (9) passing through two sliders (11) is provided in the sliding groove (7). Two threaded sections (901) with opposite rotation directions are provided on the adjusting rod (9). The two sliders (11) are respectively located on the two threaded sections (901).

6. The bolt mounting bracket for an anti-slip test piece according to claim 5, characterized in that: The movable hinge seat (13) can freely move laterally on the bottom surface of the specimen support plate (8).

7. The bolt mounting bracket for an anti-slip test piece according to claim 5, characterized in that: The two connecting rods (14) connected to the same specimen support plate (8) are arranged in a cross-like manner, and the intersection is fixed by a pin.

8. The bolt mounting bracket for an anti-slip test piece according to claim 5, characterized in that: A bottom guide groove (701) is provided on the bottom surface of the slide groove (7), and a limit block (111) is provided on the bottom surface of the slider (11), and the limit block (111) is located in the bottom guide groove (701).

9. The bolt mounting bracket for an anti-slip test piece according to claim 5, characterized in that: One end of the adjusting rod (9) passes through the outside of the base plate (1) and is connected to the drive shaft of the motor (10).

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