CN220297022U - Anti-slip test piece screwing device - Google Patents

Abstract

The application relates to an anti-slip test piece tightening device, relates to the field of experimental measurement, and comprises a workbench, a fixed clamping assembly, a movable clamping assembly and a supporting assembly, wherein the fixed clamping assembly and the movable clamping assembly are arranged on the workbench at intervals, the fixed clamping assembly comprises a fixed seat, a fixed clamping component and a driving piece, the fixed clamping component is used for detachably connecting a first nut on one side of a high-strength bolt, the driving piece is arranged on the fixed seat and used for rotating the fixed clamping component, the fixed seat is arranged on the workbench, the driving piece is positioned on one side of the fixed seat, the fixed clamping component is arranged on one side of the fixed seat far away from the driving piece, and the driving piece is connected with the fixed clamping component; the movable clamping assembly is connected to the workbench in a sliding manner and is used for detachably connecting a second nut at the other end of the high-strength bolt; the support assembly is arranged between the fixed clamping assembly and the movable clamping assembly. The application has the effect of improving anti-slip test piece tightening efficiency.

Description

Anti-slip test piece screwing device

Technical Field

The application relates to the field of experimental measurement, in particular to an anti-slip test piece tightening device.

Background

The anti-slip coefficient refers to the ratio of the external force generated when the friction surface of the connecting piece slides to the sum of the pretension force of the high-strength bolt perpendicular to the friction surface in the high-strength bolt connection. When the high-strength bolt is connected, the connecting pieces are tightly adhered together by means of pretension force in the bolt rod to generate strong friction force to transfer load. After the construction and assembly are completed, whether the actual anti-slip coefficient of the connecting friction surface meets the design requirement is a key for ensuring the use safety of the steel structure, so that the inspection of the anti-slip coefficient of the high-strength bolt connecting friction surface is very necessary.

In actual detection, the anti-slip coefficient detector comprises an anti-slip test plate, a sensor and a digital display meter, wherein a high-strength bolt to be detected needs to pass through the anti-slip test plate, nuts are respectively arranged at two ends of the high-strength bolt to fix the high-strength bolt on the anti-slip test plate, the sensor is positioned on the high-strength bolt and between the nuts and the anti-slip test plate, the sensor is used for detecting the torque generated by the high-strength bolt when the high-strength bolt is screwed, and the digital display meter is electrically connected with the sensor and can display the torque value detected by the sensor; when the anti-slip coefficient is detected, the nuts on the high-strength bolts are required to be screwed to the torque values meeting the test requirements, the anti-slip test plate is subjected to anti-slip coefficient detection, and when the nuts on the high-strength bolts are screwed, operators use torque wrenches with corresponding specifications to manually screw the nuts until the high-strength bolts reach the torque values meeting the test.

Aiming at the related technology, the pretension of the high-strength bolt is higher, the manual tightening of the nut on the high-strength bolt is more inconvenient, the labor intensity is higher, the time consumption is longer, and the detection efficiency of the anti-slip coefficient is lower.

Disclosure of Invention

In order to improve the detection efficiency of anti-slip coefficient, the application provides an anti-slip test piece tightening device.

The application provides an anti-slip test piece tightening device adopts following technical scheme:

the utility model provides an anti-slip test piece screwing up device, includes workstation, fixed clamping assembly, removes clamping assembly and supporting component, fixed clamping assembly with remove clamping assembly interval setting is on the workstation, fixed clamping assembly includes fixing base, the fixed clamping part that is used for dismantling the first nut of connecting high strength bolt one end and locates the drive piece that is used for rotating fixed clamping part on the fixing base, the fixing base is located on the workstation, the drive piece is located one side of fixing base, fixed clamping part locates one side that the drive piece was kept away from to the fixing base, the drive piece is connected with fixed clamping part; the movable clamping assembly is connected to the workbench in a sliding manner and is used for being detachably connected with a second nut on the other side of the high-strength bolt; the support assembly is arranged between the fixed clamping assembly and the movable clamping assembly, the support assembly comprises a support plate and a support rod, the support plate is connected with the support rod and is located above the support rod, and the support rod is vertically arranged on the workbench.

Through adopting above-mentioned technical scheme, when carrying out anti-slip coefficient test, place anti-slip test board in supporting component top, make anti-slip test board be close to fixed clamping part and remove clamping part, carry out detachable connection with fixed clamping part and the first nut on the high strength bolt, slide and remove clamping part, make and remove clamping part and carry out detachable connection with the second nut on the high strength bolt, supporting component supports anti-slip test board, the stability of anti-slip test board is improved, the driving piece drives fixed clamping part and rotates, make fixed clamping part screw up high strength bolt, until the moment of torsion value of high strength bolt accords with test requirement, anti-slip coefficient detection is carried out to anti-slip test board again, thereby improve anti-slip coefficient's detection efficiency.

Optionally, the fixed clamping part includes dwang and first clamping lever, the one end rotation of dwang is connected on the fixing base, the one end of first clamping lever is connected with the other end of dwang can be dismantled, first joint groove has been seted up to the other end of first clamping lever, first joint groove is used for the first nut on the joint high strength bolt, the driving piece is connected with the one end that the dwang kept away from first clamping lever, the driving piece is used for driving the dwang rotation.

Through adopting above-mentioned technical scheme, after first nut joint on high strength bolt in first joint groove, the driving piece drives the dwang and rotates, and the dwang drives first clamping lever and rotates, makes first clamping lever screw up high strength bolt, and first clamping lever can dismantle with the dwang to be connected, is convenient for change the first clamping lever that has the different first joint groove of shape and size, the first joint groove of different specifications and the nut adaptation on the high strength bolt of different specifications, improves the suitability of screwing up the device.

Optionally, remove clamping assembly and include mounting panel and second clamping lever, mounting panel sliding connection is on the workstation, the second clamping lever can dismantle one side that connects near supporting component in the mounting panel, the second clamping groove has been seted up to the one end that the second clamping lever is close to supporting component, the second clamping groove is used for the second nut on the joint high strength bolt.

Through adopting the technical scheme, when the movable clamping assembly is used for clamping the second nut on the high-strength bolt, the mounting plate is pushed to a position close to the supporting assembly, and the mounting plate drives the second clamping rod to move towards the high-strength bolt until the second clamping rod is clamped with the second nut on the high-strength bolt, so that the anti-slip test plate is conveniently fixed on the supporting assembly; the second clamping rod is detachably connected with the mounting plate, the second clamping rod is convenient to replace, and the second clamping groove on the second clamping rod is matched with the high-strength bolt to be screwed.

Optionally, rotate on the mounting panel and be connected with the regulation pole, adjust the pole and pierce through the mounting panel and with the coaxial setting of second clamping lever, the one end that the second clamping lever kept away from the second joint groove can dismantle with the one end that the regulation pole is close to supporting component and be connected, threaded connection has lock nut on the regulation pole, lock nut is used for locking or releasing the regulation pole.

By adopting the technical scheme, when the second clamping rod is clamped with the second nut on the high-strength bolt, the rotation angle of the second clamping groove can be adjusted by rotating the second clamping rod through the adjusting rod, so that the second clamping groove is aligned with the second nut on the high-strength bolt in angle, and the second nut on the high-strength bolt can be conveniently clamped into the second clamping groove; after the angle of the second clamping rod is adjusted, the locking nut is abutted with the mounting plate by screwing the locking nut, so that the adjusting rod is locked.

Optionally, be equipped with the slide rail between mounting panel and the workstation, the mounting panel slides along being close to or keeping away from the direction of fixed clamping assembly, be equipped with the promotion drive on the slide rail, the promotion drive is used for driving the mounting panel and slides along the slide rail.

Through adopting above-mentioned technical scheme, when using the second nut on the high strength bolt of second clamping lever centre gripping, start the promotion drive, make the promotion drive mounting panel be close to the high strength bolt along the slide rail, until in the second spiro union on the high strength bolt to the second joint groove, the promotion drive is convenient for promote the mounting panel.

Optionally, the promotion drive includes rack, drive gear and rotates the piece, the rack sets up on the slide rail, drive gear is close to rack department with the mounting panel and rotates to be connected, drive gear with the rack meshing, rotate piece and drive gear coaxial coupling, rotate the piece and be used for making drive gear rotate.

Through adopting above-mentioned technical scheme, when promoting the mounting panel slip, the operation rotates the piece and rotates, rotates the piece and drives drive gear and rotate, can be close to supporting component gradually along the rack when drive gear rotates to be convenient for remove the mounting panel to one side of supporting component, make the second clamping lever on the mounting panel carry out the joint to the second nut on the high strength bolt.

Optionally, a locking piece is arranged at the position, close to the sliding rail, of the mounting plate, and the locking piece is used for locking or releasing the mounting plate.

Through adopting above-mentioned technical scheme, when the mounting panel slides to required position, use locking piece to lock the mounting panel on the slide rail, the fixed mounting panel of being convenient for.

Optionally, the supporting rod is connected to the workbench through threads.

Through adopting above-mentioned technical scheme, through the height of rotation bracing piece adjustment backup pad, the backup pad of being convenient for resists the high-strength bolt's on the test panel of sliding the height adjustment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through setting up fixed clamping component, remove clamping component and supporting component, supporting component prevents that the test board from sliding supports, and fixed clamping component and removal clamping component prevent that the nut of the both sides of high strength bolt on the test board from sliding from carrying out the centre gripping respectively, fixed clamping component includes driving piece and fixed clamping part, and the driving piece can drive fixed clamping part and screw up the nut on the high strength bolt, is convenient for screw up the high strength bolt to the required moment of torsion value of experiment, improves the detection efficiency of anti-slip coefficient;

2. through setting up the slide rail and promoting the drive, when adjusting the distance between removal clamping part and the high strength bolt, promote the drive and remove the clamping part and slide along the slide rail, make and remove the clamping part and be close to the high strength bolt, be convenient for remove the clamping part and carry out the joint to the nut on the high strength bolt.

Drawings

Fig. 1 is a schematic structural view of an anti-slip test piece tightening device according to an embodiment of the present application.

Fig. 2 is an exploded view of a first clamping bar and a rotating bar of an anti-slip test piece tightening device according to an embodiment of the present application.

Fig. 3 is a schematic front view of an anti-slip test piece tightening device according to an embodiment of the present application.

Fig. 4 is an exploded view of a second clamping bar and an adjustment bar of an anti-slip test piece tightening device according to an embodiment of the present application.

Reference numerals illustrate: 1. a fixed clamping assembly; 11. a fixing seat; 12. a driving member; 13. fixing the clamping component; 131. a rotating lever; 132. a first clamping lever; 133. a first plug block; 134. a first clamping groove; 2. moving the clamping assembly; 21. a mounting plate; 22. a second clamping rod; 23. an adjusting rod; 231. a second plug block; 24. a lock nut; 25. a second clamping groove; 26. a mounting base; 27. a rotating seat; 3. a support assembly; 31. a support plate; 32. a support rod; 4. a work table; 5. a locking member; 6. a slide rail; 7. a slide block; 8. pushing and driving; 81. a drive gear; 82. a rack; 83. and a rotating member.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses anti-slip test piece tightening device, refer to fig. 1, it includes, workstation 4 and locate fixed clamping assembly 1, removal clamping assembly 2 and supporting component 3 of workstation 4 upper surface, fixed clamping assembly 1 and removal clamping assembly 2 are located the left and right sides of workstation respectively, supporting component 3 locates between fixed clamping assembly 1 and the removal clamping assembly 2 and is provided with a plurality of, supporting component 3 can be two or three, be provided with two in this embodiment, two supporting components 3 set up side by side on workstation 4.

Referring to fig. 1, the fixed clamping assembly 1 includes a fixing base 11, a driving member 12 and a fixed clamping member 13, the fixing base 11 is connected to the upper surface of the workbench 4 through a bolt, the driving member 12 is connected to the left side of the fixing base 11 through a bolt, the driving member 12 is a servo motor, the fixed clamping member 13 is arranged on one side of the fixing base 11 far away from the driving member 12, the fixed clamping member 13 includes a rotating rod 131 and a first clamping rod 132, the rotating rod 131 is coaxially connected with the driving member 12 through a coupling, the first clamping rod 132 is detachably connected with one end of the rotating rod 131 far away from the driving member 12, and the first clamping rod 132 is coaxially arranged with the rotating rod 131.

Referring to fig. 2, a first inserting block 133 is welded at one end of the rotating rod 131 far from the driving member 12, the cross section of the first inserting block 133 perpendicular to the rotating rod 131 is square, the first clamping rod 132 is in inserting fit with the first inserting block 133, a first clamping groove 134 is formed at one end of the first clamping rod 132 far from the first inserting block 133, and the first clamping groove 134 is matched with a nut on the high-strength bolt.

When the first clamping rod 132 of the first nut on the high-strength bolt needs to be replaced, the first clamping rod 132 is pulled out of the first plug-in block 133, the first clamping rod 132 with the first clamping groove 134 is replaced, and the applicability of the screwing device is improved.

Referring to fig. 3, the movable clamping assembly 2 includes a mounting plate 21, a second clamping rod 22 and an adjusting rod 23, the mounting plate 21 is slidably connected to the workbench 4, the sliding direction of the mounting plate 21 is close to or far away from the fixed clamping assembly 1, the adjusting rod 23 is rotatably connected with the mounting plate 21 through a bearing, one end of the adjusting rod 23 close to the supporting assembly 3 protrudes out of the mounting plate 21, the second clamping rod 22 is detachably connected with one end of the adjusting rod 23 protruding out of the mounting plate 21, the adjusting rod 23 and the second clamping rod 22 are coaxially arranged, a locking nut 24 is in threaded connection with the position of the adjusting rod 23 close to the mounting plate 21, and the locking nut 24 is used for fixing the adjusting rod 23 on the mounting plate 21, and the locking direction of the locking nut 24 is identical with the rotation direction of the driving member 12.

Specifically, referring to fig. 4, a second plugging block 231 is welded at one end of the adjusting rod 23 protruding from the mounting plate 21, the section of the second plugging block 231 perpendicular to the adjusting rod 23 is square, the second clamping rod 22 is plugged with the second plugging block 231, a second clamping groove 25 is formed at one end of the second clamping rod 22 far away from the second plugging block 231, and the second clamping groove 25 is matched with a second nut on the high-strength bolt.

In order to save costs, as an alternative embodiment, the second clamping bar 22 is welded to the side of the mounting plate 21 close to the support assembly 3.

When the second clamping rod 22 of the second nut on the high-strength bolt needs to be replaced, the second clamping rod 22 is pulled out of the second plug-in block 231, the second clamping rod 22 with the second clamping groove 25 is replaced, and the applicability of the screwing device is improved.

Referring to fig. 3, the support assembly 3 includes a support plate 31 and a support rod 32, the support rod 32 is a threaded rod, the support rod 32 is vertically disposed on the workbench 4 and is in threaded connection with the workbench 4, the support plate 31 is rotatably connected to the top end of the support rod 32 through a bearing, one end of the support rod 32, which is far away from the support plate 31, extends out of the lower portion of the workbench 4 and is welded with a nut, and when the height of the support plate 31 on the workbench 4 is adjusted, the nut is rotated, and the nut drives the support rod 32 to rotate, so that the height of the support plate 31 on the workbench 4 is adjusted.

When the high-strength bolt on the anti-slip test plate is screwed, the first nut on the high-strength bolt is butted with the first clamping rod 132, the supporting rod 32 is rotated, the supporting plate 31 is abutted with the anti-slip test plate, the mounting plate 21 is slid leftwards, the adjusting rod 23 is rotated, the angle of the second clamping rod 22 is adjusted until the second clamping rod 22 is clamped with the second nut on the high-strength bolt, the locking nut 24 is rotated, the locking nut 24 is abutted with the mounting plate 21, the adjusting rod 23 is locked on the mounting plate 21, clamping of the nut on the high-strength bolt is completed, the driving piece 12 is started, the driving piece 12 drives the rotating rod 131 to rotate, the rotating rod 131 drives the first clamping rod 132 to rotate, and the first clamping rod 132 is screwed to a required torque value through controlling the driving piece 12, so that the screwing efficiency of the anti-slip test piece is improved.

Referring to fig. 3, two slide rails 6 are connected to the workbench 4 through bolts, the two slide rails 6 are symmetrically arranged along the sliding direction of the mounting plate 21, a mounting seat 26 is welded at the bottom of the mounting plate 21, two sliding blocks 7 are welded at the bottom of the mounting seat 26, the sliding blocks 7 are respectively sleeved on the slide rails 6, the sliding blocks 7 are in sliding connection with the slide rails 6, the slide rails 6 are of T-shaped steel, and a T-shaped groove matched with the slide rails 6 is formed in the sliding blocks 7; the sliding blocks 7 are provided with locking pieces 5, the locking pieces 5 are hexagon bolts, and the locking pieces 5 transversely penetrate through the sliding blocks 7 and are abutted against the sliding rails 6, so that the sliding blocks 7 are fixed.

Referring to fig. 3, a push driver 8 is disposed on a side of the mounting plate 21 away from the support assembly 3, the push driver 8 includes a driving gear 81, a rack 82 and a rotating member 83, the rack 82 is welded on the slide rail, the driving gear 81 is rotatably connected to a side wall of the mounting seat 26 through the rotating seat 27, the driving gear 81 is meshed with the rack 82, the rotating member 83 is an "L" shaped rotating handle, and the rotating member 83 is coaxially welded on the driving gear 81.

When the movable clamping assembly 2 is driven to move close to the supporting assembly 3, the rotating piece 83 is operated, the driving gear 81 is enabled to rotate anticlockwise, the driving gear 81 pushes the mounting seat 26 leftwards under the action of the rack 82, the movable clamping assembly 2 moves close to the supporting assembly 3 along the sliding rail 6, the locking piece 5 is rotated after the second clamping rod 22 is clamped with a second nut on the high-strength bolt, and the locking piece 5 is enabled to fix the sliding block 7 on the sliding rail 6.

The implementation principle of the anti-slip test piece tightening device is as follows: the fixed clamping assembly 1 and the movable clamping assembly 2 clamp nuts on two sides of the high-strength bolt, the supporting assembly 3 supports the anti-slip test plate, and after the nuts on the high-strength bolt are clamped, the driving piece 12 is used for screwing the first nuts on the high-strength bolt until the torque value of the high-strength bolt meets the experimental requirement; remove clamping assembly 2 can slide on the workstation, be convenient for carry out the joint to the second nut on the high strength bolt to will install the anti-slip test board of high strength bolt and fix on supporting component 3, be convenient for screw up the nut on the high strength bolt, thereby improve anti-slip coefficient's detection efficiency.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. An anti-slip test piece tightening device, which is characterized in that: the device comprises a workbench (4), a fixed clamping assembly (1), a movable clamping assembly (2) and a supporting assembly (3), wherein the fixed clamping assembly (1) and the movable clamping assembly (2) are arranged on the workbench (4) at intervals, the fixed clamping assembly (1) comprises a fixed seat (11), a fixed clamping part (13) for detachably connecting a first nut on one side of a high-strength bolt and a driving piece (12) arranged on the fixed seat (11) and used for rotating the fixed clamping part (13), the fixed seat (11) is arranged on the workbench (4), the driving piece (12) is positioned on one side of the fixed seat (11), the fixed clamping part (13) is arranged on one side, far away from the driving piece (12), of the fixed seat (11), and the driving piece (12) is connected with the fixed clamping part (13); the movable clamping assembly (2) is connected to the workbench (4) in a sliding manner, and the movable clamping assembly (2) is used for detachably connecting a second nut at the other end of the high-strength bolt; the support assembly (3) is arranged between the fixed clamping assembly (1) and the movable clamping assembly (2), the support assembly (3) comprises a support plate (31) and a support rod (32), the support plate (31) is connected with the support rod (32) and is located above the support rod (32), and the support rod (32) is vertically arranged on the workbench (4).

2. The anti-slip test piece tightening device according to claim 1, wherein: the fixed clamping part (13) comprises a rotating rod (131) and a first clamping rod (132), one end of the rotating rod (131) is rotationally connected to the fixed seat (11), one end of the first clamping rod (132) is detachably connected with the other end of the rotating rod (131), a first clamping groove (134) is formed in the other end of the first clamping rod (132), the first clamping groove (134) is used for clamping a first nut on a high-strength bolt, the driving piece (12) is connected with one end, far away from the first clamping rod (132), of the rotating rod (131), and the driving piece (12) is used for driving the rotating rod (131) to rotate.

3. The anti-slip test piece tightening device according to claim 1, wherein: remove clamping assembly (2) including mounting panel (21) and second clamping lever (22), mounting panel (21) sliding connection is on workstation (4), second clamping lever (22) can dismantle one side that connects near supporting component (3) in mounting panel (21), second clamping groove (25) have been seted up near one end of supporting component (3) to second clamping lever (22), second clamping groove (25) are used for the second nut on the joint high strength bolt.

4. A slip resistant test piece tightening device as claimed in claim 3, wherein: the mounting plate (21) is rotationally connected with an adjusting rod (23), the adjusting rod (23) penetrates through the mounting plate (21) and is coaxially arranged with a second clamping rod (22), one end, away from a second clamping groove (25), of the second clamping rod (22) is detachably connected with one end, close to the supporting component (3), of the adjusting rod (23), a locking nut (24) is connected onto the adjusting rod (23) in a threaded mode, and the locking nut (24) is used for locking or releasing the adjusting rod (23).

5. The anti-slip test piece tightening device according to claim 4, wherein: be equipped with slide rail (6) between mounting panel (21) and workstation (4), mounting panel (21) are along being close to or keeping away from the direction slip of fixed centre gripping subassembly (1), be equipped with on slide rail (6) and promote drive (8), promote drive (8) and be used for driving mounting panel (21) and follow slide rail (6) slip.

6. The anti-slip test piece tightening device according to claim 5, wherein: the pushing drive (8) comprises a rack (82), a drive gear (81) and a rotating piece (83), wherein the rack (82) is arranged on the sliding rail (6), the drive gear (81) is rotationally connected with the mounting plate (21) close to the rack (82), the drive gear (81) is meshed with the rack (82), the rotating piece (83) is coaxially connected with the drive gear (81), and the rotating piece (83) is used for enabling the drive gear (81) to rotate.

7. The anti-slip test piece tightening device according to claim 5, wherein: the mounting plate (21) is provided with a locking piece (5) close to the sliding rail (6), and the locking piece (5) is used for locking or releasing the mounting plate (21).

8. The anti-slip test piece tightening device according to claim 1, wherein: the supporting rod (32) is connected with the workbench (4) in a threaded mode.