CN210833971U

CN210833971U - Auxiliary device for detecting fastening force of bolt connection pair

Info

Publication number: CN210833971U
Application number: CN201921795886.8U
Authority: CN
Inventors: 周志; 许芳林; 张亚正; 郭敏
Original assignee: Tianjin Cheng Shunda Construction Materials Testing Co ltd
Current assignee: Tianjin Cheng Shunda Construction Materials Testing Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-06-23
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to the technical field of detection devices, in particular to a bolt connection pair fastening force detection auxiliary device, which comprises a frame and a clamping component, wherein the clamping component comprises a clamping plate, a clamping groove and a first elastic component, the clamping plate is connected above the frame, the clamping groove is fixedly connected at two ends of the clamping plate, the first elastic component comprises a first abutting plate, the first spring, first butt pole and baffle, the baffle is along vertical direction fixed connection on the joint board, first butt pole includes the first pole and the second pole of a body coupling, the second pole is on a parallel with the joint board and with the cooperation of pegging graft of baffle, the one end of baffle is kept away from at the second pole is connected to the first pole, the first pole sets up along the direction of keeping away from the second pole slope from bottom to top, first butt board fixed connection is at the tip of first pole, first elastic component symmetry sets up in the sharp both sides in two joint groove places. The utility model discloses a do not need the function of the handheld electronic torque wrench all the time of staff when screwing up the nut.

Description

Auxiliary device for detecting fastening force of bolt connection pair

Technical Field

The utility model relates to a detection device technical field, in particular to vice fastening force of bolted connection detects auxiliary device.

Background

The bolt connection pair is a basic mechanical connection structure widely applied to various industries, in order to guarantee the connection strength and stability of the connection structure, the high-strength bolt connection pair in the prior art needs to test the torque coefficient and the fastening axial force, the existing high-strength bolt connection pair axial tester applies certain torque to a nut connected by a bolt, the axial force borne by the pressure sensor connected by the bolt is reflected, and then the torque coefficient or the fastening axial force is calculated.

The structure that prior art applied the moment of torsion to the nut is electronic torque wrench, and when electronic torque wrench applied the moment of torsion to the nut, the staff was at first manual just tight to screw bolt and nut, then handheld electronic torque wrench's rotation portion and nut periphery wall joint, and it is tight to finish to the nut through electronic torque wrench.

The shortcoming of the prior art is that the electric torque wrench is in the process of screwing the nut, the operator always needs to hold the electric torque wrench, and the electric torque wrench is heavy in weight, so that the operator is inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vice fastening force of bolted connection detects auxiliary device has realized not needing the function that the staff held the electric torque wrench all the time when screwing up the nut.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a bolt connection pair fastening force detection auxiliary device comprises a rack and a clamping component, wherein the clamping component is connected to the rack, the clamping component comprises a clamping plate, a clamping groove and an elastic abutting component, the clamping plate is connected above the rack, the clamping groove is fixedly connected to two ends of the clamping plate and is positioned on the same horizontal straight line, the elastic abutting component comprises a first elastic component, the first elastic component comprises a first abutting plate, a first spring, a first abutting rod and a baffle, the baffle is fixedly connected to the clamping plate along the vertical direction, the first abutting rod comprises a first rod and a second rod which are integrally connected, the second rod is parallel to the clamping plate and is in inserting fit with the baffle, the first rod is connected to one end of the second rod, which is far away from the baffle, the first rod is obliquely arranged from bottom to top along the direction, the first rod is abutted against and is fixedly connected to the end of the first rod, first elastic component symmetry sets up the both sides at two joint groove place straight lines.

By adopting the technical scheme, when the nut is screwed by the electric torque wrench, the electric torque wrench and the nut are placed on the two clamping grooves after being in inserted fit, the clamping grooves support two ends of the electric torque wrench, and the electric torque wrench is in inserted butt joint with the inner side walls of the clamping grooves, so that the electric torque wrench is preliminarily positioned; simultaneously, electric torque wrench and two first butt board butt simultaneously, first butt board drives first butt pole and removes and compress first spring, first butt board receives the effect of the restoring force of first spring and supports tightly with electric torque wrench, consequently realized further supporting tight spacing effect with electric torque wrench through first elastic component, consequently realized when electric torque wrench applys the moment of torsion to the screw, electric torque wrench is by the spacing fixed of joint subassembly, realized not needing the function of the handheld electric torque wrench of staff.

The utility model discloses further set up to: the elastic abutting assembly further comprises a second elastic assembly, the second elastic assembly comprises a second abutting plate and an elastic device, first grooves are formed in the vertical side walls, opposite to the two baffles, of the two baffles, the first grooves penetrate through the side walls of the baffles, stop rods are fixedly connected to the upper ends of the first grooves, one ends of the elastic devices are rotatably connected with the stop rods, the other ends of the elastic devices are fixedly connected with the second abutting plate, and the elastic devices have an elastic effect.

Through adopting above-mentioned technical scheme, will drive electronic torque wrench and place before the joint inslot, rotate resilient means around the pin, second butt joint board rotates along with the pin, make second butt joint board do not influence electronic torque wrench and place on the joint groove, after joint groove and first butt joint board tentatively support tight electric torque wrench, rotate resilient means, make second butt joint board and electronic torque wrench butt, second butt joint board further supports tight with electronic torque wrench under resilient action of resilient means, consequently realized further supporting tight spacing function with electronic torque wrench.

The utility model discloses further set up to: elastic device includes the dwang, peg graft pole and second spring, seted up the cavity in the dwang, peg graft pole and dwang grafting cooperation, the tip fixedly connected with second slider of peg graft pole, the second slider is located the cavity, the both ends of second spring respectively with second slider and the butt of dwang tip inside wall, dwang one end is rotated with the pin and is connected, other end fixedly connected with dwang keeps off the wall, the dwang keeps off the wall and plays limiting displacement to the second slider, the tip that the second slider was kept away from to the peg graft pole is kept away from to second butt board fixed connection.

By adopting the technical scheme, when the electric torque wrench needs to be placed in the clamping groove, the insertion rod is pushed towards the direction close to the second sliding block, and then the rotating rod rotates by taking the stop rod as a rotating center, so that the insertion rod drives the second butt plate to avoid interference on the placement of the electric torque wrench; when needs support electric torque wrench tightly through second butt plate, further compress the second spring through the inserted link, then rotate the second butt plate to relative with electric torque wrench, then loosen the inserted link for the inserted link further supports tightly electric torque wrench under the spring action of second spring, has consequently realized further supporting tight spacing function with electric torque wrench through resilient means.

The utility model discloses further set up to: the second elastic component further comprises a locking piece which is a locking bolt, the locking bolt penetrates through the peripheral wall of the rotating rod and is in threaded connection with the rotating rod, and the end part of the locking bolt is abutted to the insertion rod.

By adopting the technical scheme, when the insertion rod is required to be limited at the corresponding position on the rotating rod, the locking bolt is rotated to enable the insertion rod to be abutted tightly, so that the insertion rod is limited at the corresponding position on the rotating rod; when the inserting rod is required to abut against the electric torque wrench tightly under the elastic action of the second spring, the bolt is rotated to enable the inserting rod to be far away from the inserting rod, and therefore the function of locking and limiting the inserting rod is achieved.

The utility model discloses further set up to: the auxiliary device still includes elevating gear, elevating gear connects in the frame top, the joint board is connected in the elevating gear top, elevating gear includes the lifter plate, two connecting rods and lift drive, the frame includes the bottom plate, two connecting rods are the X-shaped structure, two connecting rod middle parts are through articulated the setting of articulated axle, the articulated setting of articulated axle and lifter plate downside is passed through to the upper end of a connecting rod, sliding block and lifter plate downside sliding connection are passed through to the upper end of another connecting rod, the connecting rod sets up with the sliding block is articulated, the lower extreme of two connecting rods all is connected with first slider and equal first slider is articulated to be set up, the plane at two connecting rod places of above-mentioned equal perpendicular to of articulated direction, lift drive can drive two first sliders and be close to each.

Through adopting above-mentioned technical scheme, when the first slider motion of lift drive, the distance between two connecting rod lower extremes changes, and the sliding block slides along the lifter plate, consequently makes the distance between two connecting rod upper ends and the bottom plate change, consequently makes the height of lifter plate change, has consequently realized the function that can adjust the height of joint subassembly on the lifter plate.

The utility model discloses further set up to: the joint subassembly includes the fine setting subassembly, and the fine setting subassembly drives actuating cylinder fixed connection in the lifter plate top for driving actuating cylinder, drives actuating cylinder's piston rod and joint board fixed connection.

Through adopting above-mentioned technical scheme, drive the motion of joint board through driving actuating cylinder, consequently can finely tune the position of spacing electric torque wrench in the joint inslot, realized improving the function of joint subassembly adaptability.

The utility model discloses further set up to: the lifting driving device comprises a driving lead screw and a driving motor, a first sliding groove is formed in a bottom plate, the driving lead screw is located in the first sliding groove and is arranged along the length direction parallel to the first sliding groove, the driving motor is fixedly connected to the vertical outer side wall of one end of the first sliding groove, the output end of the driving motor penetrates through the vertical side wall of the first sliding groove and is fixedly connected with the driving lead screw, the first sliding block is located in the first sliding groove and is in sliding connection with the first sliding groove, the driving lead screw penetrates through two first sliding blocks and is in threaded connection with the first sliding blocks, the driving lead screw is fixedly provided with symmetrical reverse threads by taking the center of the driving lead screw as a symmetrical center, two ends of the driving lead screw are rotatably connected with the vertical side wall of the first sliding groove, and the lower ends.

Through adopting above-mentioned technical scheme, because the drive lead screw uses its center department to be the fixed reverse screw thread that is provided with the symmetry as the center of symmetry, consequently when rotating driving motor, two first sliders move to the direction that is close to each other or keeps away from each other simultaneously, have consequently realized making the lower extreme distance of two connecting rods change, and then have realized making the connecting plate can drive the effect of the vertical lift of lifter plate.

The utility model discloses further set up to: the lifting device further comprises a lifting auxiliary part, the lifting auxiliary part comprises two auxiliary lifting rods, auxiliary blocks and a second sliding rod, a second sliding groove is fixedly formed in the bottom plate, the auxiliary blocks are in sliding fit with the second sliding groove, the second sliding groove is parallel to the first sliding groove of the bottom plate, the two auxiliary lifting rods are of an X-shaped structure, the upper end of one auxiliary lifting rod is hinged to the lower side of the lifting plate, the lower end of the other auxiliary lifting rod is connected with the lower side of the lifting plate in a sliding mode through a sliding block, the auxiliary lifting rods are hinged to the sliding block, the lower ends of the two auxiliary lifting rods are hinged to the two auxiliary blocks respectively, the two auxiliary lifting rods are as long as the two connecting rods, the two auxiliary lifting rods are parallel to the two connecting rods respectively, and the second sliding rod penetrates through.

Through adopting above-mentioned technical scheme, under driving motor's drive effect, two first sliders drive two connecting rods and rotate, the connecting rod drives the lifter plate and rises or descend, because two supplementary lifter are on a parallel with two connecting rods respectively, consequently, the in-process that the lifter plate rises or descends can drive two supplementary lifter rotations, two supplementary lifter drive supplementary piece slip, the second slide bar has played the guide effect to supplementary piece, supplementary lifter plays the supporting role to the lifter plate simultaneously, consequently, make the lift of lifter plate more stable.

To sum up, the utility model discloses following technological effect has:

1. the electric torque wrench is limited above the clamping plate by adopting the structure of the clamping groove and the first elastic component;

2. by adopting the structure of the second elastic component, the function of further abutting and limiting the electric torque wrench is realized;

3. through the structure that adopts elevating gear, realized the function that can adjust joint subassembly height.

Drawings

FIG. 1 is a three-dimensional perspective view of the present embodiment;

FIG. 2 is a partial three-dimensional perspective view of the projecting snap-in assembly configuration;

fig. 3 is a partial sectional view showing the internal structure of the elastic means.

In the figure, 1, a frame; 11. a base plate; 111. a first chute; 112. a second chute; 2. a lifting device; 21. a connecting rod; 211. a first slider; 22. lifting and driving; 221. driving a lead screw; 222. a drive motor; 23. a lifting plate; 24. a lifting auxiliary member; 241. an auxiliary lifting rod; 242. a second slide bar; 243. an auxiliary block; 3. a clamping assembly; 31. a clamping and connecting plate; 32. a clamping groove; 33. a first elastic member; 331. a first butt joint plate; 332. a first spring; 333. a first abutting rod; 3331. a first lever; 3332. a second lever; 3333. a stopper; 334. a baffle plate; 3341. a first groove; 3342. a stop lever; 34. a second elastic member; 341. an elastic device; 342. a second butt joint plate; 343. a locking member; 3431. locking the bolt; 3411. rotating the rod; 34111. the rotating rod keeps off the wall; 3412. a plug rod; 34121. a second slider; 3413. a second spring; 35. the cylinder is driven.

Detailed Description

As shown in fig. 1, the utility model provides a vice fastening force of bolted connection detects auxiliary device, auxiliary device machine includes frame 1, elevating gear 2 and joint subassembly 3, and elevating gear 2 connects in frame 1, and joint subassembly 3 is connected in elevating gear 2 upper ends, and elevating gear 2 can drive joint subassembly 3 and go up and down along vertical direction, and joint subassembly 3 plays the spacing effect of butt to electric torque wrench. When screwing up the nut through electronic torque wrench, with electronic torque wrench and nut cooperation back of pegging graft, place electronic torque wrench on joint subassembly 3, joint subassembly 3 plays to tight limiting displacement to electronic torque wrench, consequently when electronic torque wrench rotates the nut, the staff need not hold electronic torque wrench all the time.

As shown in figure 1, the frame 1 comprises a bottom plate 11, universal wheels and brake pads are connected with the lower side of the bottom plate 11, a lifting device 2 is connected above the bottom plate 11, the lifting device 2 comprises a lifting plate 23, two connecting rods 21 and a lifting drive 22, the frame 1 comprises a bottom plate 11, the two connecting rods 21 are in an X-shaped structure, the middle parts of the two connecting rods 21 are hinged through a hinge shaft, the upper end of one connecting rod 21 is hinged with the lower side of the lifting plate 23 through a hinge shaft, the upper end of the other connecting rod 21 is slidably connected with the lower side of the lifting plate 23 through a sliding block, the connecting rods 21 are hinged with the sliding block, the lower ends of the two connecting rods 21 are both connected with a first sliding block 211 and are both hinged with the first sliding block 211, the above-mentioned hinge direction all is perpendicular to the plane that two connecting rods 21 are located, and lift drive 22 can drive two first sliders 211 and be close to each other or keep away from each other.

When the first slider 211 of the lifting drive 22 moves, the distance between the lower ends of the two connecting rods 21 changes, and the slider slides along the lifting plate 23, so that the distance between the upper ends of the two connecting rods 21 and the bottom plate 11 changes, and the height of the lifting plate 23 changes, thereby realizing the function of adjusting the height of the clamping component 3 on the lifting plate 23.

As shown in fig. 1, the lifting drive 22 includes a drive screw 221 and a drive motor 222, first chute 111 has been seted up on bottom plate 11, drive lead screw 221 is located first chute 111 and sets up along being on a parallel with first chute 111 length direction, driving motor 222 fixed connection is on the vertical lateral wall of first chute 111 one end, the output of driving motor 222 passes the vertical lateral wall of first chute 111 and is connected with drive lead screw 221 fixed connection, first slider 211 is located first chute 111 and with first chute 111 sliding connection, drive lead screw 221 passes two first sliders 211 and all with first slider 211 threaded connection, drive lead screw 221 is provided with symmetrical reverse screw thread with the fixed of centre of symmetry department as the center of symmetry, the both ends of drive lead screw 221 are connected with first chute 111 vertical to vertical lateral wall rotation, the lower extreme of two connecting rods 21 is articulated with two first sliders 211 through the articulated axle respectively. Because the driving screw 221 is provided with symmetrical reverse threads by taking the center of the driving screw as a symmetrical center, when the driving motor 222 works, the two first sliding blocks 211 move towards the direction close to each other or away from each other, so that the lower end distance of the two connecting rods 21 is changed, and the effect that the connecting plate can drive the lifting plate 23 to vertically lift is realized.

In order to improve the lifting stability of the lifting plate 23, the utility model discloses a lifting auxiliary member 24 has been add. As shown in figure 1 of the drawings, in which,

the lifting auxiliary member 24 includes two auxiliary lifting rods 241, auxiliary blocks 243 and a second sliding rod 242, a second sliding groove 112 is fixedly formed in the bottom plate 11, the auxiliary blocks 243 are in sliding fit with the second sliding groove 112, the second sliding groove 112 is parallel to the first sliding groove 111 of the bottom plate 11, the two auxiliary lifting rods 241 are in an X-shaped structure, the upper end of one auxiliary lifting rod 241 is hinged to the lower side of the lifting plate 23, the lower end of the other auxiliary lifting rod 241 is connected with the lower side of the lifting plate 23 in a sliding mode through a sliding block, the auxiliary lifting rod 241 is hinged to the sliding block, the lower ends of the two auxiliary lifting rods 241 are hinged to the two auxiliary blocks 243, the two auxiliary lifting rods 241 are as long as the two connecting rods 21, the two auxiliary lifting rods 241 are parallel to the two connecting rods 21, and the second sliding rod 242 penetrates through the two auxiliary blocks. Under driving action of the driving motor 222, the two first sliders 211 drive the two connecting rods 21 to rotate, the connecting rod 21 drives the lifting plate 23 to ascend or descend, because the two auxiliary lifting rods 241 are respectively parallel to the two connecting rods 21, the lifting plate 23 ascends or descends in the process of driving the two auxiliary lifting rods 241 to rotate, the two auxiliary lifting rods 241 drive the auxiliary block 243 to slide, the second sliding rod 242 guides the auxiliary block 243, and the auxiliary lifting rods 241 support the lifting plate 23, so that the lifting of the lifting plate 23 is more stable.

As shown in fig. 1, the clamping assembly 3 includes a clamping plate 31, a clamping groove 32 and an elastic abutting assembly, the elastic abutting assembly includes a first elastic assembly 33 and a first elastic assembly 34, and the first elastic assembly 33 and the second elastic assembly 34 both have elastic abutting effect on the electric torque wrench. As shown in fig. 2, the first elastic component 33 includes a first abutting plate 331, a first spring 332, a first abutting rod 333 and a baffle 334, the baffle 334 is fixedly connected above the clamping plate 31 along the vertical direction, the first abutting rod 333 includes a first rod 3331 and a second rod 3332 which are integrally connected, the second rod 3332 is parallel to the clamping plate 31 and is in inserted fit with the baffle 334, the first rod 3331 is connected to one end of the second rod 3332 far from the baffle 334, the first rod 3331 is obliquely arranged from bottom to top along the direction far from the second rod 3332, the first abutting plate 331 is fixedly connected to the end of the first rod 3331, and the first elastic component 33 is located between the two clamping grooves and symmetrically arranged on two sides of the straight line where the two clamping grooves 32 are located. When the nut is screwed by the electric torque wrench, the electric torque wrench and the nut are placed on the two clamping grooves 32 after being in inserted fit, the clamping grooves 32 play a supporting role on two ends of the electric torque wrench, and the electric torque wrench is in inserted butt joint with the inner side walls of the clamping grooves 32, so that the electric torque wrench is preliminarily positioned; simultaneously, electronic torque wrench and two first butt joint boards 331 butt, first butt joint board 331 drives first butt joint pole 333 and removes and compress first spring 332, first butt joint board 331 receives the effect of the restoring force of first spring 332 and supports tightly with electronic torque wrench, consequently realized further supporting tightly spacing effect with electronic torque wrench through first elastic component 33, consequently realized when electronic torque wrench applys the moment of torsion to the nut, electronic torque wrench is by 3 spacing fixed of coupling components, realized not needing the function of the handheld electronic torque wrench of staff. In order to prevent the second rod 3332 from sliding out of the baffle 334, the utility model discloses the dog 3333 is additionally arranged at the tip of keeping away from the second rod 3332 at the second rod 3332, and the dog 3333 can prevent the tip of the second rod 3332 from sliding out of the baffle 334.

As shown in fig. 2, the second elastic assembly 34 includes a second abutting plate 342 and an elastic device 341, a first groove 3341 has been opened on the vertical side wall opposite to the two baffles 334, the first groove 3341 runs through the side wall of the baffle 334, a stop bar 3342 is fixedly connected to the upper end of the first groove 3341, one end of the elastic device 341 is rotatably connected to the stop bar 3342, the other end is fixedly connected to the second abutting plate 342, the elastic device 341 can adopt a spring or other elastic structure, the present invention adopts the first mode. As shown in fig. 3, the elastic device 341 includes a rotating rod 3411, a plug rod 3412 and a second spring 3413, a cavity is formed in the rotating rod 3411, the plug rod 3412 is in plug-in fit with the rotating rod 3411, the end of the plug rod 3412 is fixedly connected with a second slider 34121, the second slider 34121 is located in the cavity, two ends of the second spring 3413 are respectively abutted against the inner side walls of the second slider 34121 and the end of the rotating rod 3411, one end of the rotating rod 3411 is rotatably connected with a stop rod 3342, the other end of the rotating rod 3411 is fixedly connected with a rotating rod stop wall 34111, the rotating rod stop wall 34111 has a function of limiting the second slider 34121, and the second stop plate 342 is fixedly connected to the end of the plug rod 3412 away from. When the electric torque wrench needs to be placed in the clamping groove 32, the inserting rod 3412 is pushed towards the direction close to the second sliding block 34121, and then the rotating rod 3411 is rotated around the blocking rod 3342 as a rotation center, so that the inserting rod 3412 drives the second abutting plate 342 to prevent interference in the placement of the electric torque wrench; when the electric torque wrench needs to be abutted through the second abutting plate 342, the second spring 3413 is further compressed through the inserting rod 3412, then the second abutting plate 342 is rotated to be opposite to the electric torque wrench, and then the inserting rod 3412 is loosened, so that the inserting rod 3412 further abuts against the electric torque wrench under the elastic force action of the second spring 3413, and therefore the function of further abutting and limiting the electric torque wrench through the elastic device 341 is achieved.

Before placing electric torque wrench, in order to avoid second butt plate 342 to cause the interference to electric torque wrench, perhaps second butt plate 342 is longer apart from the distance between pin 3342 for second butt plate 342's rotation is inconvenient, consequently needs to adjust the relative position between dwang 3411 and the inserted bar 3412, the utility model discloses retaining member 343 has been add. As shown in fig. 2, locking member 343 is a locking bolt 3431, locking bolt 3431 passes through the outer peripheral wall of rotating lever 3411 and is screwed to rotating lever 3411, and the end of locking bolt 3431 abuts against bayonet lever 3412. When the plugging rod 3412 needs to be limited at a corresponding position on the rotating rod 3411, the locking bolt 3431 is rotated to tightly press the plugging rod 3412, so that the plugging rod 3412 is limited at the corresponding position on the rotating rod 3411; when the plug rod 3412 needs to be tightly abutted against the electric torque wrench under the elastic force of the second spring 3413, the bolt is rotated to be away from the plug rod 3412, so that the function of locking and limiting the plug rod 3412 is realized.

After electric torque wrench is spacing in joint inslot 32, for the position of adjusting electric torque wrench in convenient, the utility model discloses fine setting subassembly has been add. As shown in fig. 1, fine setting subassembly is for driving actuating cylinder 35, drives actuating cylinder 35 fixed connection in lifter plate 23 top, drives actuating cylinder 35's piston rod and joint board 31 fixed connection, drives joint board 31 motion through driving actuating cylinder 35, consequently can finely tune the position of spacing electronic torque wrench in joint groove 32, has realized improving the function of joint subassembly 3 adaptability.

The utility model discloses a theory of operation does:

when the nut is screwed by the electric torque wrench, firstly, the electric torque wrench is inserted into the nut, then the driving motor 222 is driven to work, so that the two first sliding blocks 211 move towards or away from each other simultaneously, and further, the lifting plate 23 is lifted or lowered to enable the electric torque wrench to be placed above the clamping plate 31, after the height adjustment of the lifting plate 23 is completed, firstly, the insertion rod 3412 is pushed towards the direction close to the second sliding block 34121, the locking bolt 3431 is rotated to enable the locking bolt 3431 to tightly abut against the insertion rod 3412 for limiting, then, the rotating rod 3411 is rotated by taking the blocking rod 3342 as a rotation center, so that the insertion rod 3412 drives the second abutting plate 342 to avoid interference on the placement of the electric torque wrench, then, the electric torque wrench is placed on the two clamping grooves 32, the clamping grooves 32 play a supporting role on two ends of the electric torque wrench, and the electric torque wrench is inserted into the inner side wall of the clamping grooves 32, therefore, the electric torque wrench is initially positioned, and at the same time, the electric torque wrench abuts against the two first abutting plates 331 at the same time, the first abutting plates 331 drive the first abutting rods 333 to move and compress the first springs 332, the first abutting plates 331 are abutted against the electric torque wrench by the restoring force of the first springs 332, so that the electric torque wrench is further abutted against the limit by the first elastic assemblies 33, finally the second springs 3413 are further compressed by the inserting rods 3412, then the second abutting plates 342 are rotated to be opposite to the electric torque wrench, then the inserting rods 3412 are loosened, so that the inserting rods 3412 further abut against the electric torque wrench under the elastic force of the second springs 3413, so that the electric torque wrench is further abutted against the limit by the elastic devices 341, the electric torque wrench is abutted against the limit, and when the electric torque wrench applies torque to the nut, the staff need not work the function of holding electric torque wrench all the time.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a vice fastening force of bolted connection detects auxiliary device, auxiliary device includes frame (1) and joint subassembly (3), joint subassembly (3) are connected on frame (1), a serial communication port, joint subassembly (3) are including joint board (31), joint groove (32) and elasticity support tight subassembly, joint board (31) are connected in frame (1) top, joint groove (32) fixed connection is at the both ends of joint board (31) and lie in same water straight line, elasticity supports tight subassembly includes first elastic component (33), first elastic component (33) include first support board (331), first spring (332), first butt joint pole (333) and baffle (334), baffle (334) are along vertical direction fixed connection on joint board (31), first butt joint pole (333) include first pole (3331) and second pole (3332) of body coupling, second pole (3332) are on a parallel with joint plate (31) and with baffle (334) cooperation of pegging graft, first pole (3331) are connected in second pole (3332) and are kept away from the one end of baffle (334), first pole (3331) are along the direction of keeping away from second pole (3332) slope from bottom to top setting, first butt joint board (331) fixed connection is at the tip of first pole (3331), first elastic component (33) symmetry sets up the both sides at two joint groove (32) place straight lines.

2. The auxiliary device for detecting the fastening force of the bolt connection pair according to claim 1, wherein the elastic abutting assembly further comprises a second elastic assembly (34), the second elastic assembly (34) comprises a second abutting plate (342) and an elastic device (341), the two opposite vertical side walls of the baffle plate (334) are respectively provided with a first groove (3341), the first groove (3341) penetrates through the side wall of the baffle plate (334), the upper end of the first groove (3341) is fixedly connected with a stop lever (3342), one end of the elastic device (341) is rotatably connected with the stop lever (3342), the other end of the elastic device is fixedly connected with the second abutting plate (342), and the elastic device (341) has an elastic effect.

3. The detection assistance device for the fastening force of a bolt connection pair according to claim 2, the elastic device (341) comprises a rotating rod (3411), an inserting rod (3412) and a second spring (3413), a cavity is formed in the rotating rod (3411), the inserting rod (3412) is in inserting fit with the rotating rod (3411), the end portion of the inserting rod (3412) is fixedly connected with the second slider (34121), the second slider (34121) is located in the cavity, two ends of the second spring (3413) are respectively abutted to the inner side walls of the end portions of the second slider (34121) and the rotating rod (3411), one end of the rotating rod (3411) is rotatably connected with a stop rod (3342), the other end of the rotating rod is fixedly connected with a rotating rod stop wall (34111), the rotating rod stop wall (34111) plays a limiting role in limiting the second slider (34121), and the second abutment plate (342) is fixedly connected to the end portion, far away from the second slider (34121), of the inserting rod (3412.

4. A screw connection auxiliary fastening force detection auxiliary apparatus according to claim 3, wherein the second elastic member (34) further includes a locking member (343), the locking member (343) is a locking bolt (3431), the locking bolt (3431) passes through the outer peripheral wall of the rotating lever (3411) and is screw-connected to the rotating lever (3411), and an end of the locking bolt (3431) abuts against the insertion lever (3412).

5. The auxiliary device for detecting the fastening force of a bolt connection pair as claimed in claim 1, wherein the auxiliary device further comprises a lifting device (2), the lifting device (2) is connected above the frame (1), the clamping plate (31) is connected above the lifting device (2), the lifting device (2) comprises a lifting plate (23), two connecting rods (21) and a lifting drive (22), the frame (1) comprises a bottom plate (11), the two connecting rods (21) are in an X-shaped structure, the middle parts of the two connecting rods (21) are hinged by a hinge shaft, the upper end of one connecting rod (21) is hinged to the lower side of the lifting plate (23) by a hinge shaft, the upper end of the other connecting rod (21) is slidably connected to the lower side of the lifting plate (23) by a sliding block, the connecting rods (21) are hinged to sliding blocks, the lower ends of the two connecting rods (21) are connected to the first sliding block (211) and the first sliding block (211) is hinged, the hinge directions are perpendicular to the plane where the two connecting rods (21) are located, and the lifting drive (22) can drive the two first sliding blocks (211) to be close to or far away from each other.

6. The auxiliary device for detecting the fastening force of the bolt connection pair according to claim 5, wherein the clamping component (3) comprises a fine adjustment component, the fine adjustment component is a driving cylinder (35), the driving cylinder (35) is fixedly connected above the lifting plate (23), and a piston rod of the driving cylinder (35) is fixedly connected with the clamping plate (31).

7. The auxiliary device for detecting the fastening force of the bolt connection pair according to claim 5, wherein the lifting drive (22) comprises a drive screw (221) and a drive motor (222), the bottom plate (11) is provided with a first chute (111), the drive screw (221) is positioned in the first chute (111) and arranged in a direction parallel to the length direction of the first chute (111), the drive motor (222) is fixedly connected to the vertical outer side wall of one end of the first chute (111), the output end of the drive motor (222) passes through the vertical side wall of the first chute (111) and is fixedly connected with the drive screw (221), the first slider (211) is positioned in the first chute (111) and is slidably connected with the first chute (111), the drive screw (221) passes through the two first sliders (211) and is both in threaded connection with the first slider (211), the drive screw (221) is fixedly provided with symmetrical reverse threads by taking the center of the drive screw (221) as a symmetrical center, two ends of the driving screw rod (221) are rotatably connected with the vertical side wall of the first sliding groove (111), and the lower ends of the two connecting rods (21) are respectively hinged with the two first sliding blocks (211) through hinge shafts.

8. The auxiliary device for detecting the fastening force of the bolt connection pair according to claim 7, wherein the lifting device (2) further comprises a lifting auxiliary member (24), the lifting auxiliary member (24) comprises two auxiliary lifting rods (241), an auxiliary block (243) and a second sliding rod (242), the second sliding slot (112) is fixedly formed in the bottom plate (11), the auxiliary block (243) is in sliding fit with the second sliding slot (112), the second sliding slot (112) is parallel to the first sliding slot (111) of the bottom plate (11), the two auxiliary lifting rods (241) are in an X-shaped structure, the upper end of one auxiliary lifting rod (241) is hinged to the lower side of the lifting plate (23), the lower end of the other auxiliary lifting rod (241) is in sliding connection with the lower side of the lifting plate (23) through a sliding block, the auxiliary lifting rods (241) are hinged to the sliding block, the lower ends of the two auxiliary lifting rods (241) are respectively hinged to the two auxiliary blocks (243), the two auxiliary lifting rods (241) are as long as the two connecting rods (21), the two auxiliary lifting rods (241) are respectively parallel to the two connecting rods (21), and the second sliding rod (242) penetrates through the two auxiliary blocks (243) along the horizontal direction.