CN210487505U

CN210487505U - Bolt axial force and torque tester

Info

Publication number: CN210487505U
Application number: CN201921231144.2U
Authority: CN
Inventors: 顾燕菁; 蒋建国; 郭建虎; 汪佳琪; 詹嘉纬
Original assignee: Hangzhou Guohua Testing Technology Co Ltd
Current assignee: Hangzhou Guohua Testing Technology Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-08
Anticipated expiration: 2029-07-31

Abstract

The utility model relates to a bolt shaft power torque tester, detection frame including the rectangle, the one end that detects the frame along its length direction is the baffle, and the other end is the connecting plate, detect the curb plate that the other both ends of frame are corresponding, it has the grip block to detect the interior sliding connection of frame, be provided with the centre gripping groove on the grip block up end, the grip block is connected with the locating component who passes the connecting plate towards the one end of connecting plate, the grip block is connected with first locating plate to dismantling of the one end of baffle, be provided with first connecting groove on the up end of first locating plate, first connecting groove and centre gripping groove intercommunication, can dismantle on the baffle and be connected with the second locating plate, set up the second connecting groove that corresponds with first connecting groove on the second locating plate up end. The utility model discloses but have the effect of quick replacement bolt that awaits measuring more.

Description

Bolt axial force and torque tester

Technical Field

The utility model relates to a tester especially relates to a bolt axial force torque tester.

Background

A bolt axial force torque tester is an instrument for detecting the quality of a bolt.

At present, a compound intelligent detector of high strength bolt axial force moment of torsion includes: the clamping mechanism is arranged on the rack and used for limiting the position of the bolt to be tested; the axial force sensor is matched with the screw head of the bolt to be tested through the pull head and is used for testing the axial force of the bolt to be tested; the transmission part is detachably matched with the screw rod of the bolt to be tested; the power source is assembled with the transmission piece and drives the bolt to be tested to rotate through the transmission piece; the torque sensor is matched with the transmission part and used for testing the torque of the bolt to be tested; and the operation display instrument is electrically connected with the axial force sensor and the torque sensor.

When the bolt to be tested is replaced, the baffle and the limiting part are required to be detached every time, then a new bolt to be tested penetrates through the first through hole in the baffle and the second through hole in the limiting part, and the new bolt to be tested and the first through hole in the limiting part are installed back to the original positions, so that the detaching process is troublesome and inconvenient.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a bolt axial force torque tester, its advantage lies in the bolt that can await measuring of quick replacement more.

The technical purpose of the utility model is realized through following technical scheme: the utility model provides a bolt shaft power torque tester, includes the detection frame of rectangle, the one end that detects the frame along its length direction is the baffle, and the other end is the connecting plate, detect the curb plate that the other both ends of frame are corresponding, it has the grip block to detect the interior sliding connection of frame, be provided with the centre gripping groove on the grip block up end, the grip block is connected with the locating component who passes the connecting plate towards the one end of connecting plate, the grip block is connected with first locating plate towards dismantling of the one end of baffle, be provided with first connecting groove on the up end of first locating plate, first connecting groove and centre gripping groove intercommunication, can dismantle on the baffle and be connected with the second locating plate, set up the second connecting groove that corresponds with first connecting groove on the second locating plate up end.

Through adopting above-mentioned technical scheme, because first spread groove and second spread groove are seted up from top to bottom, consequently when testing to the bolt of the same kind, only need directly from first spread groove, the vertical putting into of second spread groove with the bolt that awaits measuring to make the bolt head of the bolt that awaits measuring be located the centre gripping groove, the screw rod part of the bolt that awaits measuring is located first spread groove and second spread groove, and need not dismantle baffle and other parts down, and then the convenient bolt that awaits measuring changes. And meanwhile, the bolt to be tested is conveniently taken out from the tester vertically and upwards.

When different types of bolts to be tested need to be detected, the first positioning plate and the second positioning plate are detached and replaced by other types, so that the first connecting groove on the newly replaced first positioning plate and the second connecting groove on the second positioning plate can adapt to the bolts to be tested with other sizes and types, and the application range of the tester is enlarged.

The utility model discloses further set up to: the groove bottoms of the first connecting groove and the second connecting groove are both arc-shaped.

Through adopting above-mentioned technical scheme, all set up the tank bottom of first spread groove and second spread groove into the arc to make it can adapt to the laminating bolt that awaits measuring more.

The utility model discloses further set up to: the clamping block is provided with a first accommodating groove on the upper end face facing one end of the baffle, two ends of the first accommodating groove are close to the side plates, the first positioning plate is detachably connected in the first accommodating groove, a first coordination groove is arranged at the upper part and the lower part of the clamping block corresponding to the middle part of the first accommodating groove, and the first coordination groove penetrates through one end of the clamping block facing the baffle and is communicated with the first accommodating groove and the clamping groove;

the baffle is characterized in that a second accommodating groove is formed in the upper end face of the baffle and corresponds to the first accommodating groove, the two ends of the second accommodating groove are close to the side plates, the second positioning plate is detachably connected to the second accommodating groove, a second coordination groove is formed in the middle position, corresponding to the second accommodating groove, of the baffle vertically, and the second coordination groove penetrates through the baffle and is communicated with the second accommodating groove.

Through adopting above-mentioned technical scheme, when needs are tested the bolt that awaits measuring of different grade type size, take out the change with first locating plate from first holding tank, take out the change with the second locating plate from the second holding tank for first connection on the first locating plate after the change and the second spread groove on the second locating plate after the change can adapt to the bolt that awaits measuring of other type sizes, and then enlarged the application scope of this tester.

The utility model discloses further set up to: the upper end of first locating plate stretches out first holding tank, the upper end of second locating plate stretches out the second holding tank.

Through adopting above-mentioned technical scheme, the upper end that grips first locating plate is convenient to take out first locating plate from first holding tank, and then has made things convenient for the second locating plate to take out from the second holding tank through gripping second locating plate upper end.

The utility model discloses further set up to: and a lifting groove is formed in one side face of the upper end of the first positioning plate and one side face of the upper end of the second positioning plate, and two ends of the length of the lifting groove correspond to the two side plates respectively.

Through adopting above-mentioned technical scheme, thereby buckle into through people's finger and carry the pull-up groove and make the first locating plate or the second locating plate that grips that the staff can be more stable, and then carry out more quick change to the two.

The utility model discloses further set up to: a first screw hole is formed in one surface, facing the baffle, of the clamping block and communicated with the first accommodating groove, and a first bolt is screwed in the first screw hole;

the baffle is provided with the second screw on keeping away from the clamping block's the one side, the second screw communicates with second holding tank, the spiro union has the second bolt in the second screw.

By adopting the technical scheme, when the first positioning plate is positioned in the first accommodating groove, the first bolt is screwed into the first screw hole and abuts against the first positioning plate, so that the first positioning plate is fixed in the first accommodating groove, and the first positioning plate is prevented from shaking;

when the second locating plate is located the second holding tank, with second bolt screw in second screw and with the counterbalance of second locating plate to fix the second locating plate in the second holding tank, avoid the second locating plate to rock.

The utility model discloses further set up to: the up end of first locating plate is provided with spout and locking piece, spout and locking piece branch are listed in the both sides of first connecting groove, sliding connection has the shelves strip in the spout, be provided with the locked groove that supplies the shelves strip to stretch into on the locking piece, when shelves strip one end stretched into to the locked groove, the shelves strip other end was located the spout.

Through adopting above-mentioned technical scheme, put into first spread groove, second spread groove with the bolt that awaits measuring back, then slide the shelves strip on the first locating plate and make the one end of shelves strip insert to the locked groove in, and then avoid being destroyed and jumping out the tester and cause unexpected danger when examining the measuring bolt.

The utility model discloses further set up to: the sliding groove is a dovetail groove, and the stop strip is in a long dovetail block shape.

Through adopting above-mentioned technical scheme, through the cooperation of dovetail and forked tail slider for the shelves strip can slide in the annular, and the spout restriction shelves strip can only slide along its length direction.

The utility model discloses further set up to: the upper end face of the stop strip is provided with a push block, and the upper end of the push block extends out of the sliding groove.

By adopting the technical scheme, the sliding groove is extended out of the upper end of the push block, so that the stop bar can be conveniently pushed by pushing the sliding block.

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

1. the first connecting groove and the second connecting groove are arranged up and down, so that the bolt to be tested can be vertically taken and placed, and the bolt to be tested can be conveniently taken and placed;

2. when different types of bolts to be tested need to be detected, the first positioning plate and the second positioning plate are disassembled and replaced by other types, so that the first connecting groove on the newly replaced first positioning plate and the second connecting groove on the second positioning plate can adapt to the bolts to be tested with other sizes and types, and the application range of the tester is further expanded;

3. set up spout and locking piece at the up end of first locating plate, spout and locking piece branch are listed in the both sides of first connecting groove, slip joint shelves strip in the spout, set up the locked groove that supplies the shelves strip to stretch into on the locking piece, put into first connecting groove with the bolt that awaits measuring, back in the second connecting groove, then slide the shelves strip on the first locating plate and make the one end of shelves strip insert to the locked groove in, and then avoid being examined the measuring time bolt and destroyed and jump out the tester and cause unexpected danger.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of an exploded structure of the clamping assembly of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Reference numerals: 1. detecting a frame; 2. a clamping block; 3. a positioning assembly; 4. a clamping assembly; 5. a baffle plate; 6. a connecting plate; 7. a side plate; 8. a clamping groove; 9. a first positioning plate; 10. a second positioning plate; 11. a first connecting groove; 12. a second connecting groove; 13. a bolt to be tested; 14. a first accommodating groove; 15. a first registration slot; 16. a second registration slot; 17. lifting the groove; 18. a first screw hole; 19. a first bolt; 20. a second screw hole; 21. a second bolt; 22. a safety limit component; 23. a chute; 24. a locking block; 25. a stop bar; 26. locking the groove; 27. a push block; 28. adjusting the position of the screw rod; 29. an axial force sensor; 30. a limit nut; 31. and a second accommodating groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, for the utility model discloses a bolt shaft power torque tester, including the detection frame 1 of rectangle and the grip block 2 of sliding connection in detecting frame 1, grip block 2 one end is connected with and passes the locating component 3 that detects frame 1 along detecting frame 1 length direction, is provided with grip component 4 on grip block 2 and the detection frame 1 that faces with it.

As shown in fig. 1 and 2, one end of the detection frame 1 along the length direction is a baffle 5, the other end is a connecting plate 6, and the other two ends of the detection frame 1 are corresponding side plates 7. The clamping assembly 4 comprises a clamping groove 8 formed in the clamping block 2, a first positioning plate 9 detachably connected to one end, facing the baffle 5, of the clamping block 2, and a second positioning plate 10 detachably connected to the baffle 5. A first connecting groove 11 is formed in the middle of the upper end face of the first positioning plate 9, and a second connecting groove 12 is formed in the middle of the upper end face of the second positioning plate 10. And the bottoms of the first connecting groove 11 and the second connecting groove 12 are both arc-shaped to adapt to the bolt 13 to be tested.

The upper end face of one end, facing the baffle 5, of the clamping block 2 is provided with a first accommodating groove 14, two ends of the length of the first accommodating groove 14 are close to the side plates 7, the first positioning plate 9 is detachably connected in the first accommodating groove 14, a first matching groove 15 is formed in the position, corresponding to the middle of the first accommodating groove 14, of the clamping block 2, and the first matching groove 15 penetrates through one end, facing the baffle 5, of the clamping block 2 and is communicated with the first accommodating groove 14 and the clamping groove 8;

second holding tank 31 has been seted up to baffle 5's up end, and second holding tank 31 corresponds with first holding tank 14, and curb plate 7 is close to at the length both ends of second holding tank 31, and second locating plate 10 detachable connects in second holding tank 31, and baffle 5 has seted up second registration groove 16 about corresponding the middle part position of second holding tank 31, and second registration groove 16 runs through baffle 5 and communicates with second holding tank 31.

In order to facilitate the replacement of the first positioning plate 9 and the second positioning plate 10, the upper end of the first positioning plate 9 extends out of the first receiving groove 14 when the first positioning plate is located in the first receiving groove 14, and the upper end of the second positioning plate 10 extends out of the second receiving groove 31 when the second positioning plate is located in the second receiving groove 31. In addition, a lifting groove 17 is formed in one side face of the upper end of the first positioning plate 9 and one side face of the upper end of the second positioning plate 10 in a penetrating manner, and two ends of the length of the lifting groove 17 correspond to the two side plates 7 respectively.

As shown in fig. 1 and 2, a first screw hole 18 is formed in one surface of the clamping block 2 facing the baffle 5, the first screw hole 18 is communicated with the first accommodating groove 14, and a first bolt 19 is screwed in the first screw hole 18. The first bolt 19 and the first screw hole 18 are two and are arranged on both sides of the first receiving groove 14. The baffle 5 is provided with second screw 20 on keeping away from the one side of grip block 2, and second screw 20 and second holding tank 31 intercommunication have the second bolt 21 in the spiro union of second screw 20. The second bolt 21 and the second screw hole 20 are also two and located on both sides of the second receiving groove 31. The two positioning plates can be firmly installed by the abutting of the first bolt 19 and the first positioning plate 9 and the abutting of the second bolt 21 and the second positioning plate 10.

When the bolt 13 to be tested is tested, the bolt head of the bolt 13 to be tested is located in the clamping groove 8, and the screw part of the bolt 13 to be tested is located in the first connecting groove 11 and the second connecting groove 12. In order to avoid that the bolt 13 to be tested is damaged and jumps out of the tester when the bolt 13 to be tested is detected, a safety limiting component 22 is further arranged at the upper end of the first positioning plate 9.

As shown in fig. 2 and 3, the safety stopper assembly 22 includes a sliding groove 23 and a locking piece 24, which are disposed on the upper end surface of the first positioning plate 9. The sliding groove 23 and the locking block 24 are respectively arranged at two sides of the first connecting groove 11, a barrier 25 is slidably connected in the sliding groove 23, and a circular locking groove 26 for the barrier 25 to extend into is formed at one end of the locking block 24 facing the barrier 25. Wherein, the sliding groove 23 is a dovetail groove, and the stop strip 25 is in a dovetail block shape. The upper end surface of the stop bar 25 is also fixed with a push block 27, the push block 27 extends out of the sliding groove 23, the stop bar 25 can be pushed by pushing the push block 27, and then one end of the stop bar 25 is controlled to enter or exit the locking groove 26.

As shown in fig. 1 and 2, the positioning assembly 3 includes a positioning screw 28, an axial force sensor 29 sleeved on the positioning screw 28, and a limit nut 30 screwed on the positioning screw 28.

One end of the positioning screw 28 is connected with the clamping block 2 in a circumferential rotation mode and is axially fixed, the other end of the positioning screw 28 penetrates through the connecting plate 6, the cylindrical axial force sensor 29 is sleeved on one end, located outside the detection frame 1, of the positioning screw 28, and the axial force sensor 29 is located between the connecting plate 6 and the limiting nut 30.

The implementation principle of the embodiment is as follows:

when the bolt 13 to be tested needs to be detected, the positioning screw 28 is pulled to enable the clamping block 2 to be located at a proper position, then the limiting nut 30 is rotated to be tightly abutted to the axial force sensor 29, and then the bolt 13 to be tested is placed into a tester. After the bolt 13 to be tested is placed in the tester, the bolt head of the bolt 13 to be tested is positioned in the clamping groove 8, the screw part of the bolt 13 to be tested is positioned in the first connecting groove 11 and the second connecting groove 12, and the end of the bolt 13 to be tested, which penetrates through the second connecting groove 12, is also screwed with a detection nut. After the bolt 13 to be tested is installed, the barrel stop is pushed into the locking groove 26. Then, the bolt 13 to be tested can be tested by detecting the nut and a torque sensor (not shown in the figure) in the background technology and finally driving the torque sensor through a power source.

After the bolt 13 to be tested is tested, the bolt 13 to be tested needs to be replaced, and because the first connecting groove 11 and the second connecting groove 12 are both vertically arranged, when the bolt of the same type is tested, the bolt 13 to be tested only needs to be directly vertically placed into and taken out of the first connecting groove 11 and the second connecting groove 12, the baffle 5 and other parts do not need to be detached, and then the bolt 13 to be tested is convenient to replace.

When the bolts 13 to be tested with different sizes are required to be tested, the first bolt 19 and the second bolt 21 are loosened, the first positioning plate 9 and the second positioning plate 10 are disassembled to be replaced by other types, and the lifting groove 17 can be buckled by fingers in the replacement process, so that hands can more stably hold the first positioning plate 9 and the second positioning plate 10. The first connecting groove 11 on the first positioning plate 9 and the second connecting groove 12 on the second positioning plate 10 which are newly replaced can adapt to bolts 13 to be tested with other sizes and types, and the application range of the tester is further expanded.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a bolt axial force torque tester, includes detection frame (1) of rectangle, detect frame (1) and be baffle (5) along its length direction's one end, the other end is connecting plate (6), detect curb plate (7) that frame (1) other both ends are corresponding, it has grip block (2) to detect frame (1) internal slipping, be provided with centre gripping groove (8), characterized by on the grip block (2) up end: grip block (2) are connected with locating component (3) of passing connecting plate (6) towards the one end of connecting plate (6), grip block (2) are connected with first locating plate (9) towards the dismantlement of the one end of baffle (5), be provided with first spread groove (11) on the up end of first locating plate (9), first spread groove (11) and centre gripping groove (8) intercommunication, can dismantle on baffle (5) and be connected with second locating plate (10), set up second spread groove (12) that correspond with first spread groove (11) on second locating plate (10) up end.

2. The bolt axial force and torque tester of claim 1, wherein: the bottoms of the first connecting groove (11) and the second connecting groove (12) are both arc-shaped.

3. The bolt axial force and torque tester as claimed in claim 2, wherein: the clamping block (2) is provided with a first accommodating groove (14) on the upper end face facing one end of the baffle (5), two ends of the first accommodating groove (14) are close to the side plates (7), the first positioning plate (9) is detachably connected in the first accommodating groove (14), a first matching groove (15) is arranged above and below the clamping block (2) corresponding to the middle of the first accommodating groove (14), and the first matching groove (15) penetrates through one end of the clamping block (2) facing the baffle (5) and is communicated with the first accommodating groove (14) and the clamping groove (8);

second holding tank (31) have been seted up to the up end of baffle (5), second holding tank (31) correspond with first holding tank (14), curb plate (7) are close to at the both ends of second holding tank (31), second locating plate (10) detachable connects in second holding tank (31), baffle (5) correspond the middle part position of second holding tank (31) and are provided with second registration groove (16) from top to bottom, second registration groove (16) run through baffle (5) and communicate with second holding tank (31).

4. The bolt axial force torque tester of claim 3, wherein: the upper end of the first positioning plate (9) extends out of the first accommodating groove (14), and the upper end of the second positioning plate (10) extends out of the second accommodating groove (31).

5. The bolt axial force torque tester of claim 4, wherein: one side of the upper end of the first positioning plate (9) and one side of the upper end of the second positioning plate (10) are both provided with a lifting groove (17), and two ends of the length of the lifting groove (17) correspond to the two side plates (7) respectively.

6. The bolt axial force torque tester of claim 5, wherein: one surface, facing the baffle (5), of the clamping block (2) is provided with a first screw hole (18), the first screw hole (18) is communicated with the first accommodating groove (14), and a first bolt (19) is screwed in the first screw hole (18);

the one side of baffle (5) keeping away from grip block (2) is provided with second screw (20), second screw (20) and second holding tank (31) intercommunication, spiro union has second bolt (21) in second screw (20).

7. The bolt axial force and torque tester of claim 1, wherein: the up end of first locating plate (9) is provided with spout (23) and locking piece (24), spout (23) and locking piece (24) are listed in the both sides of first connecting groove (11), sliding connection has shelves strip (25) in spout (23), be provided with on locking piece (24) and supply shelves strip (25) to stretch into locked groove (26), when shelves strip (25) one end stretches into locked groove (26), shelves strip (25) other end is located spout (23).

8. The bolt axial force torque tester of claim 7, wherein: the sliding groove (23) is a dovetail groove, and the stop strip (25) is in a long dovetail block shape.

9. The bolt axial force torque tester of claim 8, wherein: the upper end surface of the stop bar (25) is provided with a push block (27), and the upper end of the push block (27) extends out of the sliding groove (23).