Bracket bolt tightening torque testing device for calipers

Abstract

The utility model discloses a caliper support bolt tightening torque testing device comprising a testing table, two sides of the upper part of the testing table are fixedly connected with two groups of side plates, the side plates are internally provided with first sliding grooves, the first sliding grooves are internally connected with sliding blocks in a sliding manner, the sliding blocks are internally connected with first threaded rods in a threaded manner, and the first threaded rods are internally connected with second threaded rods in a threaded manner. A mounting bent plate is fixedly connected to the rear side of the middle of the test table, a hydraulic cylinder is fixedly connected to the upper portion of the mounting bent plate, the output end of the hydraulic cylinder penetrates through the mounting bent plate to be fixedly connected with a lifting plate, and a motor is fixedly connected to the upper portion of the lifting plate; the output end of the motor penetrates through the lifting plate and is fixedly connected with a torque testing rod, bolts of different specifications can be tested automatically, and errors caused by manual testing are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of part processing, specifically is a caliper support bolt tightening torque testing device. BACKGROUND

[0002] Caliper support bolt tightening torque testing is one of caliper function tests, and support bolt tightening torque testing is a destructive test, that is, the tightening torque is continuously applied under the state of support bolt tightening, and finally the mechanical property curve of bolt from tension to pulling fracture is obtained to investigate the fastening characteristics of caliper body and bolt.

[0003] The existing bolt torque testing device tests the torque of the bolt by manually holding the torque testing instrument and manually twisting the bolt, but it is difficult to ensure that the torque testing instrument and the plane where the threaded hole is located are perpendicular to each other, resulting in deviation of the torque test value of the bolt. UTILITY MODEL CONTENTS

[0004] The utility model discloses a caliper support bolt tightening torque testing device to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a caliper support bolt tightening torque testing device, including test table, two groups of side plates are fixedly connected on the upper part of test table, first sliding slot is set up in the inside of side plate, the sliding block is connected in the inside of first sliding slot, the first screw rod is connected in the inside of sliding block, the fixed plate is rotatably connected to the other end of first screw rod, the fixed plate is fixedly connected with the resisting plate on one side, the second sliding slot is connected in the inside of fixed plate, the sliding plate is connected in the inside of second sliding slot, the communicating groove that passes through second sliding slot is formed on one side of fixed plate, the connecting plate is fixedly connected on one side of fixed plate, the movable resisting plate is fixedly connected in the communicating groove of connecting plate, the installation bent plate is fixedly connected on the rear side of middle part of test table, the hydraulic cylinder is fixedly connected on the upper part of installation bent plate, the lifting plate is fixedly connected to the output end of hydraulic cylinder and penetrates installation bent plate, the motor is fixedly connected on the upper part of lifting plate, and the torque testing rod is fixedly connected to the output end of motor and penetrates lifting plate.

[0006] Preferably, the third sliding slot that passes through the first sliding slot is formed on the upper part of the fixed plate, the fixed block is fixedly connected to the upper part of the sliding block, the third screw rod is fixedly connected to the upper part of the fixed block, the third screw rod is slidably connected in the third sliding slot, and the fixed nut is threadedly connected to the outer side of the upper part of the third screw rod.

[0007] Preferably, the second screw rod is rotatably connected in the second sliding slot, and the second screw rod is threadedly connected in the sliding plate.

[0008] Preferably, two groups of stabilizing rods are fixedly connected to the rear side of the test table, and the stabilizing rods are slidingly connected to the inside of the lifting plate.

[0009] Preferably, a mounting rod is threadedly connected to the lower part of the torque test rod.

[0010] Preferably, the inside of the mounting rod is provided with a magnetic structure.

[0011] Compared with the prior art, the test table has the advantages that:

[0012] The first threaded rod is rotated to clamp the test plate by the two side fixed plates, and the test plate is abutted on the abutting plate on one side, the second threaded rod is rotated to move the sliding plate along the second sliding groove, the movable abutting plate is fixed to the other side of the test plate by the connecting plate, the test plate is fixed more firmly, the sliding block is moved along the first sliding groove, the two side fixed plates are moved by different distances, the threaded hole to be tested is in the middle of the test table, the lifting plate is moved downward by the hydraulic cylinder, the torque test rod is connected with the bolt, the torque test rod is rotated by the motor, the torque of the bolt is tested, different specifications of the bolt can be tested automatically, and the error caused by manual testing is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a first perspective three-dimensional structure schematic view of the utility model;

[0014] Fig. 2 It is a second perspective sliding groove structure sectional view of the utility model;

[0015] Fig. 3 It is a third perspective lifting plate structure schematic view of the utility model.

[0016] In the drawing: 1, test table; 2, side plate; 3, first sliding groove; 4, sliding block; 5, first threaded rod; 6, fixed plate; 7, abutting plate; 8, second sliding groove; 9, sliding plate; 10, second threaded rod; 11, communicating groove; 12, connecting plate; 13, movable abutting plate; 14, third sliding groove; 15, fixed block; 16, third threaded rod; 17, fixed nut; 18, mounting bent plate; 19, hydraulic cylinder; 20, lifting plate; 21, motor; 22, torque test rod; 23, mounting rod; 24, stabilizing rod. DETAILED DESCRIPTION

[0017] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0018] Please refer to Figs. 1-3 The utility model provides a technical scheme: a caliper support bolt tightening torque testing device, including test table 1, two groups of side plates 2 are fixedly welded on test table 1 upper part both sides, first sliding slot 3 is seted up in the inside of side plate 2, sliding block 4 is slidably installed in the inside of first sliding slot 3, first screw rod 5 is threadedly connected in the inside of sliding block 4, fixed plate 6 is rotatably installed in the other end of first screw rod 5, by rotating first screw rod 5, both sides fixed plate 6 clamping setting has the test plate of bolt hole, the side fixedly welded with the stop plate 7 of fixed plate 6, second sliding slot 8 is slidably installed in the inside of fixed plate 6, sliding plate 9 is slidably installed in the inside of second sliding slot 8, the communication groove 11 that is communicated with second sliding slot 8 is seted up in the side of fixed plate 6, the connecting plate 12 is fixedly welded with movable stop plate 13 that penetrates the communication groove 11, the test plate one side is stopped at stop plate 7, by moving sliding plate 9 along second sliding slot 8, by connecting plate 12 makes movable stop plate 13 fixed test plate the other side, so that test plate is fixed more firmly, by moving sliding block 4 along first sliding slot 3, the test screw hole of needing to test is in the middle of test table 1 by moving different distances of both sides fixed plate 6, the installation curved plate 18 is fixedly welded with the rear side of test table 1 middle part, the hydraulic cylinder 19 is installed with the flange of installation curved plate 18 upper part, the lifting plate 20 is fixedly welded with the output end of hydraulic cylinder 19 that penetrates installation curved plate 18, the motor 21 is installed with the flange of lifting plate 20 upper part, the torque test rod 22 is connected with the output end of motor 21 that penetrates the lifting plate 20 coupling, by fixing bolt in the thread hole on test plate, hydraulic cylinder 19 drives lifting plate 20 to move downwards, makes torque test rod 22 connect with bolt, motor 21 drives torque test rod 22 to rotate, tests the torque of bolt;

[0019] The upper portion of the fixed plate 6 is provided with a third sliding groove 14 communicated with the first sliding groove 3, the upper portion of the sliding block 4 is fixedly welded with a fixed block 15, the upper portion of the fixed block 15 is fixedly welded with a third threaded rod 16, the lower portion of the third threaded rod 16 is slidably connected to the inside of the third sliding groove 14, the upper portion of the third threaded rod 16 is externally screwed with a fixed nut 17, when the sliding block 4 moves along the first sliding groove 3, the fixed nut 17 is rotated, the fixed nut 17 is pressed against the upper portion of the fixed plate 6, and the sliding block 4 is pressed against the lower portion of the first sliding groove 3, so as to fix the sliding block 4; the second sliding groove 8 is rotatably provided with a second threaded rod 10 in the inside, the second threaded rod 10 is screwedly connected to the inside of the sliding plate 9, and the movement of the sliding plate 9 is controlled by rotating the second threaded rod 10; the rear side of the test table 1 is fixedly welded with two groups of stabilizing rods 24, the stabilizing rods 24 are slidably arranged in the inside of the lifting plate 20, so as to ensure the balance of the lifting plate 20 during lifting; the lower portion of the torque test rod 22 is screwedly provided with a mounting rod 23, different sizes of mounting rods 23 are mounted, so as to adapt to different sizes of bolts, the mounting rod 23 and the torque test rod 22 are reversely screwedly connected, so as to prevent the mounting rod 23 from being separated from the torque test rod 22 during rotation of the torque test rod 22; the inside of the mounting rod 23 is provided with a magnetic structure, so as to facilitate connection of the bolt with the mounting rod 23.

[0020] Working principle: when the utility model is used, the test plate with threaded holes is placed in the test table 1, the first threaded rod 5 is rotated, the two fixed plates 6 clamp the test plate, one side of the test plate is abutted against the abutting plate 7, the second threaded rod 10 is rotated, the sliding plate 9 moves along the second sliding groove 8, the movable abutting plate 13 is fixed to the other side of the test plate through the connecting plate 12, so that the test plate is fixed more firmly, the sliding block 4 is moved along the first sliding groove 3, the fixed nut 17 is rotated, the fixed nut 17 is pressed against the upper portion of the fixed plate 6, and the sliding block 4 is pressed against the lower portion of the first sliding groove 3, so as to fix the sliding block 4, the two fixed plates 6 are moved by different distances, the threaded hole to be tested is in the middle of the test table 1, the bolt to be tested is fixed in the threaded hole on the test plate, the lifting plate 20 is driven downward by the hydraulic cylinder 19, the torque test rod 22 is connected with the bolt, the motor 21 drives the torque test rod 22 to rotate, and the torque of the bolt is tested.

[0021] It should be noted that, in the present text, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0022] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A caliper support bolt tightening torque testing device, comprising a testing table (1), characterized in that: The upper two sides of the test table (1) are fixedly connected with two groups of side plates (2), the first sliding groove (3) is arranged in the side plate (2), the sliding block (4) is slidably connected in the first sliding groove (3), the first threaded rod (5) is threadedly connected in the sliding block (4), the fixed plate (6) is rotatably connected to the other end of the first threaded rod (5), the fixed plate (6) is fixedly connected with the abutting plate (7) on one side, the second sliding groove (8) is slidably connected in the fixed plate (6), the sliding plate (9) is slidably connected in the second sliding groove (8), the communication groove (11) is arranged in the fixed plate (6) on one side and communicated with the second sliding groove (8), the connecting plate (12) is fixedly connected on one side of the fixed plate (6), the movable abutting plate (13) is fixedly connected in the communication groove (11) penetrating the connecting plate (12), the installation curved plate (18) is fixedly connected to the rear middle of the test table (1), the hydraulic cylinder (19) is fixedly connected to the upper part of the installation curved plate (18), the lifting plate (20) is fixedly connected to the output end of the hydraulic cylinder (19) penetrating the installation curved plate (18), the motor (21) is fixedly connected to the upper part of the lifting plate (20), the torque test rod (22) is fixedly connected to the output end of the motor (21) penetrating the lifting plate (20).

2. The testing device for caliper support bolt torque according to claim 1, characterized in that: The third sliding groove (14) is arranged in the upper part of the fixed plate (6) and communicated with the first sliding groove (3), the fixed block (15) is fixedly connected to the upper part of the sliding block (4), the third threaded rod (16) is fixedly connected to the upper part of the fixed block (15), the third threaded rod (16) is slidably connected in the third sliding groove (14), and the fixed nut (17) is threadedly connected to the outer side of the upper part of the third threaded rod (16).

3. The testing device for caliper support bolt torque according to claim 1, characterized in that: The second threaded rod (10) is rotatably connected in the second sliding groove (8), and the second threaded rod (10) is threadedly connected in the sliding plate (9).

4. The testing device for caliper support bolt torque according to claim 1, characterized in that: The rear side of the test table (1) is fixedly connected with two groups of stabilizing rods (24), and the stabilizing rod (24) is slidably connected in the lifting plate (20).

5. The testing device for caliper support bolt torque according to claim 1, characterized in that: The lower part of the torque test rod (22) is threadedly connected with the mounting rod (23).

6. The testing device for caliper support bolt torque according to claim 5, characterized in that: The mounting rod (23) is provided with a magnetic structure in the inside.

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