CN210833972U - Axial fastening force detection device for bolt connection pair - Google Patents

Axial fastening force detection device for bolt connection pair Download PDF

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Publication number
CN210833972U
CN210833972U CN201921795888.7U CN201921795888U CN210833972U CN 210833972 U CN210833972 U CN 210833972U CN 201921795888 U CN201921795888 U CN 201921795888U CN 210833972 U CN210833972 U CN 210833972U
Authority
CN
China
Prior art keywords
groove
abutting
fixed block
connecting rod
fastening force
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201921795888.7U
Other languages
Chinese (zh)
Inventor
张红兴
王元坤
王志超
武颜龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Cheng Shunda Construction Materials Testing Co ltd
Original Assignee
Tianjin Cheng Shunda Construction Materials Testing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Cheng Shunda Construction Materials Testing Co ltd filed Critical Tianjin Cheng Shunda Construction Materials Testing Co ltd
Priority to CN201921795888.7U priority Critical patent/CN210833972U/en
Application granted granted Critical
Publication of CN210833972U publication Critical patent/CN210833972U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a detection device technical field, in particular to vice axial fastening force detection device of bolted connection, detection device includes first fixed block, first butt piece, second butt piece, the connecting rod, activity locating part and pressure sensor, the first groove has been seted up to first fixed block upper surface, first butt piece be located the first inslot and with first groove sliding connection, connecting rod fixed connection is in one side of first butt piece, the connecting rod sets up and passes the vertical lateral wall of first fixed block along the direction that is on a parallel with the first groove, the connecting rod is located the tip in the first groove outside and is connected with activity locating part, pressure sensor's both ends respectively with activity locating part and first fixed block butt, second butt piece is located first fixed block and keeps away from pressure sensor's vertical lateral wall tip on. The utility model provides a simple and easy measuring bolt is paid axial fastening power detection device has reached the effect of convenient operation and saving cost.

Description

Axial fastening force detection device for bolt connection pair
Technical Field
The utility model relates to a detection device technical field, in particular to vice axial fastening power detection device of bolted connection.
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 utility model discloses a detection device of prior art can refer to the utility model patent that the grant bulletin number is CN2581959Y, the tester includes the frame, the frame facial make-up is equipped with anchor clamps, load cover, big bolt, force sensor, stay bolt and casing, the apron is equipped with to the anchor clamps front end, load cover connects big bolt and flat nut location again, big bolt is connected with pressure sensor, the stay bolt is equipped with to the sensor rear end, the back lid is equipped with on the stay bolt, adjusting nut is equipped with to the stay bolt rear end, anchor clamps are the multi-jaw anchor clamps of equipartition, equipartition multi-jaw splint in the load cover, multi-jaw anchor clamps cooperate with the load cover of multi-jaw, it is vice to open there is the protruding piece pore to put bolted connection in the middle. During testing, the bolt of the detected bolt connection pair is installed in the clamp, torque is applied to the nut of the bolt connection pair, the bolt is subjected to axial tension and transmitted to the tension sensor through the bearing sleeve and the large bolt, and the shell reflects the axial force applied to the connection pair on the secondary instrument.
The defects of the prior art are that the detection device is a special metering device, the device is expensive, the operation is relatively complex, and the maintenance requirement is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bolted connection countershaft is to fastening force detection device, has realized paying the function of axial fastening force through simple and easy device measuring bolt.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a vice axial fastening power detection device of bolted connection, detection device includes first fixed block, first butt piece, second butt piece, the connecting rod, activity locating part and pressure sensor, the first groove has been seted up to first fixed block upper surface, first butt piece be located the first inslot and with first groove sliding connection, connecting rod fixed connection is in one side of first butt piece, the connecting rod sets up and passes the vertical lateral wall of first fixed block along the direction that is on a parallel with the first groove, activity locating part is connected on the tip that the connecting rod is located the first groove outside, pressure sensor's both ends respectively with activity locating part and first fixed block butt, second butt piece is located first fixed block and keeps away from pressure sensor's vertical lateral wall tip.
By adopting the technical scheme, when the axial fastening force of the bolt is tested, the bolt passes through the first abutting part and the second abutting part along the horizontal direction, so that the bolt cap of the bolt is abutted against one end, close to the connecting rod, of the first abutting part, then the movable nut is in threaded connection with the outer side wall, located on the second abutting part, of the bolt, the bolt is initially tightened with the movable nut, and the first abutting part is initially connected with the second abutting part; then exert the moment of torsion through electric spanner to the movable nut for the movable nut further supports tightly on second butt piece, and the nut further supports tightly first butt piece this moment, because first butt piece, connecting rod and activity locating part are fixed connection structure, the movable rod further supports tightly pressure sensor, and through the pressure value that pressure sensor received, can record the axial fastening force of bolt, realized conveniently measuring the function of bolt axial force through simple and easy device.
The utility model discloses further set up to: the first abutting piece comprises a first sliding block and a first abutting plate, the first sliding block is located in a first groove, the first sliding block is in sliding fit with the first groove, the first groove penetrates through a vertical side wall of the first fixed block, the pressure sensor is far away from the vertical side wall, an insertion groove is formed in the upper surface of the first sliding block, a communication groove is formed in the upper surface of the vertical side wall, away from the movable limiting part, of the first sliding block, the insertion groove is communicated with a vertical groove of the first sliding block, the first abutting plate is located in the insertion groove, the vertical inner side wall, away from the movable limiting part, of the first abutting plate and the insertion groove abuts against, and the second abutting piece and the first fixed block are of a detachable.
By adopting the technical scheme, the bolt sequentially passes through the first abutting plate, the first sliding vertical groove and the second abutting piece along the horizontal direction and then is in threaded connection with the movable nut, and then the movable nut can be continuously screwed to test the axial fastening force of the bolt; when the bolt is dismantled to needs, take off movable nut from the bolt, then dismantle second butt piece, take out bolt and first butt board from the inserting groove along vertical direction, consequently realized making the convenient function of dismantling fast of first butt piece and bolt.
The utility model discloses further set up to: the second abutting piece is a second abutting plate, and the second abutting plate is in inserting fit with the end part, far away from the limiting movable assembly, of the vertical outer side wall of the first fixed block.
Through adopting above-mentioned technical scheme, because second butt joint board and the vertical lateral wall of first fixed block cooperation of pegging graft, consequently realized conveniently fixed and dismantlement with the second butt joint board.
The utility model discloses further set up to: the through hole is formed in the center of the vertical side wall of the second abutting plate, which is far away from the first fixing block, and the clamping groove is formed in the radial direction of the through hole.
Through adopting above-mentioned technical scheme, the joint groove makes things convenient for electric spanner tip to place in the joint inslot, makes the end aim at movable nut after, applys the moment of torsion to the nut, has consequently realized the function of conveniently fixing electric spanner end and movable nut grafting.
The utility model discloses further set up to: the movable limiting part is a limiting sleeve, and the limiting sleeve is in threaded connection with the end part of the connecting rod, far away from the pressure sensor.
Through adopting above-mentioned technical scheme, through spacing cover shell and connecting rod threaded connection for spacing cover shell is convenient to be installed on the connecting rod, when needs overhauld pressure sensor, conveniently dismantles spacing cover shell from the connecting rod simultaneously.
The utility model discloses further set up to: the outer side wall of the limit sleeve shell is fixedly connected with a handle.
Through adopting above-mentioned technical scheme, make things convenient for the staff to rotate the spacing cover shell through the handle, and then reach the position of conveniently adjusting the spacing cover shell.
The utility model is further arranged that a second fixed block is fixedly connected to one side of the first fixed block, which is close to the second butt joint plate, the upper surface of the second fixed block is provided with a second groove, the second groove is communicated with the first fixed block groove, and the second butt joint plate is matched with the second groove butt joint.
Through adopting above-mentioned technical scheme, the second inslot lateral wall plays further butt limiting displacement to the second butt plate for the movable nut and second butt plate butt and for the bolt rotation in-process, the difficult relative slip that takes place of second butt plate.
The utility model is further provided with a lapping groove arranged on two opposite vertical side walls at one end of the second groove far away from the first fixed block.
Through adopting above-mentioned technical scheme, when applying the moment of torsion to adjustable nut through electric spanner, can place the part of electric spanner frame in setting up the groove, set up the groove and play the supporting role to electric spanner, realized making things convenient for the function that the staff handed electric spanner.
To sum up, the utility model discloses following technological effect has:
1. by adopting the structure of the first fixed block, the connecting rod and the movable limiting assembly, the function of conveniently measuring the axial force of the bolt through a simple device is realized;
2. by adopting the structure of the first sliding block and the first abutting plate, the function of conveniently detaching the bolt from the first abutting piece is realized;
3. through the structure that adopts the joint groove, realized conveniently carrying out the function of fixing a position to electric spanner.
Drawings
Fig. 1 is a three-dimensional perspective view of the present embodiment.
In the figure, 1, a first fixed block; 11. a first groove; 2. a first abutting member; 21. a first slider; 211. inserting grooves; 212. a communicating groove; 22. a first butt joint plate; 3. a second abutting member; 31. a second butt joint plate; 311. a clamping groove; 4. a connecting rod; 5. a movable limiting part; 51. a limiting casing; 52. a handle; 6. a pressure sensor; 7. a second fixed block; 71. a second groove; 72. and (4) placing the groove.
Detailed Description
As shown in FIG. 1, the utility model discloses a device for detecting the axial fastening force of a bolt connection pair, the detection device comprises a first fixed block 1, a first abutting part 2, a second abutting part 3, a connecting rod 4, a movable limiting part 5 and a pressure sensor 6, a first groove 11 is formed in the upper surface of the first fixed block 1, the first abutting part 2 is located in the first groove 11 and is in sliding connection with the first groove 11, the connecting rod 4 is fixedly connected to one side of the first abutting part 2, the connecting rod 4 is arranged in a direction parallel to the first groove 11 and penetrates through the vertical side wall of the first fixed block 1, the movable limiting part 5 is connected to the end portion, located outside the first groove 11, of the connecting rod 4, two ends of the pressure sensor 6 are respectively abutted to the movable limiting part 5 and the first fixed block 1, and the second abutting part 3 is located on the vertical outer side wall, away from the pressure sensor 6, of the first fixed block 1. When testing the axial fastening force of the bolt pair, pass first butt piece 2 and second butt piece 3 with the bolt along the horizontal direction, make the nut cap of bolt and the one end butt that first butt piece 2 is close to connecting rod 4, then with the threaded connection of movable nut on the lateral wall that the bolt is located second butt piece 3, just tighten bolt and movable nut, make first butt piece 2 and second butt piece 3 preliminary connection, then exert the moment of torsion to the movable nut through the electric spanner, make the movable nut further support tightly on second butt piece 3, the nut further supports tightly first butt piece 2 this moment, because first butt piece 2, connecting rod 4 and movable locating part 5 are fixed connection structure, the movable rod further supports tightly pressure sensor 6, through the pressure value that pressure sensor 6 received, can measure the axial fastening force of bolt pair.
As shown in fig. 1, the first abutting member 2 includes a first sliding block 21 and a first abutting plate 22, the first sliding block 21 is located in the first groove 11, the first sliding block 21 is in sliding fit with the first groove 11, the first groove 11 penetrates through the vertical side wall of the first fixing block 1 away from the pressure sensor 6, an insertion groove 211 is formed in the upper surface of the first sliding block 21, a communicating groove 212 is formed in the upper surface of the vertical side wall of the first sliding block 21 away from the movable limiting member 5, the insertion groove 211 is communicated with the communicating groove 212, the first abutting plate 22 is located in the insertion groove 211, the first abutting plate 22 abuts against the vertical inner side wall of the movable limiting member 5 away from the insertion groove 211, and the second abutting member 3 and the first fixing block 1 are of a detachable fixed connection structure. The bolt sequentially passes through the first abutting plate 22, the first sliding vertical groove and the second abutting part 3 along the horizontal direction and then is in threaded connection with the movable nut, and then the movable nut can be continuously screwed to test the axial fastening force of the bolt; when the bolt is dismantled to needs, take off movable nut from the bolt, then dismantle second butt piece 3, take out bolt and first butt board 22 from inserting groove 211 along vertical direction, consequently realized making the convenient function of dismantling fast of first butt piece 2 and bolt.
As shown in fig. 1, a second fixing block 7 is fixedly connected to one side of the first fixing block 1 close to the second abutting plate 31, a second groove 71 is formed in the upper surface of the second fixing block 7, the second groove 71 is communicated with the first groove 11, the second abutting member 3 is the second abutting plate 31, the second abutting plate 31 is in inserting fit with the end portion of the vertical outer side wall of the first fixing block 1 far away from the limiting movable assembly, and the second abutting plate 31 is in abutting fit with the second groove 71. Because the cooperation of pegging graft of second butt joint board 31 and the vertical lateral wall of first fixed block 1, consequently realized conveniently fixing second butt joint board 31 and dismantling, second groove 71 inside wall plays further butt limiting displacement to second butt joint board 31 for movable nut and second butt joint board 31 butt and for the bolt rotation in-process, second butt joint board 31 is difficult for taking place relative slip. The second groove 71 is far away from two opposite vertical side walls at one end of the first fixing block 1, and is provided with a lapping groove 72, when a torque is applied to the movable nut through an electric wrench, the part of the electric wrench rack can be placed in the lapping groove 72, the lapping groove 72 plays a supporting role for the electric wrench, and the function of facilitating a worker to hold the electric wrench is achieved. Keep away from the vertical lateral wall center department of first fixed block 1 at second butt joint board 31 and seted up the through-hole, seted up joint groove 311 in the radial direction of through-hole, the inserting groove makes things convenient for the electric wrench end to place in the inserting groove, makes the end aim at movable nut after, applys the moment of torsion to the nut, has consequently realized the function of conveniently fixing electric wrench end and movable nut grafting.
As shown in fig. 1, the movable limiting part 5 is a limiting sleeve 51, the limiting sleeve 51 is in threaded connection with the end of the connecting rod 4 far away from the pressure sensor 6, and is in threaded connection with the connecting rod 4 through the limiting sleeve 51, so that the limiting sleeve 51 is conveniently installed on the connecting rod 4, and meanwhile, when the pressure sensor 6 needs to be overhauled, the limiting sleeve 51 is conveniently detached from the connecting rod 4, a handle 52 is fixedly connected to the outer side wall of the limiting sleeve 51, the handle 52 is convenient for workers to rotate the limiting sleeve 51, and the position of the limiting sleeve 51 can be conveniently adjusted.
The utility model discloses a theory of operation does:
when the axial fastening force of the bolt pair is tested, the bolt sequentially passes through the first abutting plate 22, the communicating groove 212 and the second abutting plate 31 along the horizontal direction and then is in threaded connection with the movable nut, the bolt is initially tightened with the movable nut, the movable nut is abutted against the second abutting plate 31, then the end of the electric wrench is inserted in the clamping groove 311, meanwhile, the outer side wall of the electric wrench is inserted in the overlapping groove 72, so that the electric wrench is conveniently aligned and inserted with the movable nut, the movable nut is further abutted against the second abutting part 3 by applying torque to the movable nut through the electric wrench, at the moment, the first abutting part 2 is further abutted by the nut, because the first abutting part 2, the connecting rod 4 and the movable limiting part 5 are in a fixed connection structure, the movable rod is further abutted against the pressure sensor 6, and the axial fastening force of the bolt pair can be tested through the pressure value received by the pressure sensor 6, therefore, the function of measuring the axial fastening force of the bolt pair through a simple device is realized.
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 (8)

1. The device for detecting the axial fastening force of the bolt connection auxiliary shaft is characterized by comprising a first fixed block (1), a first abutting part (2), a second abutting part (3), a connecting rod (4), a movable limiting part (5) and a pressure sensor (6), wherein a first groove (11) is formed in the upper surface of the first fixed block (1), the first abutting part (2) is positioned in the first groove (11) and is in sliding connection with the first groove (11), the connecting rod (4) is fixedly connected to one side of the first abutting part (2), the connecting rod (4) is arranged in a direction parallel to the first groove (11) and penetrates through the vertical side wall of the first fixed block (1), the movable limiting part (5) is connected to the end part of the connecting rod (4) positioned on the outer side of the first groove (11), two ends of the pressure sensor (6) are respectively abutted to the movable limiting part (5) and the first fixed block (1), the second abutting part (3) is located on the end portion, far away from the pressure sensor (6), of the vertical outer side wall of the first fixing block (1).
2. The device for detecting the axial fastening force of a bolt connection auxiliary shaft as claimed in claim 1, wherein the first abutting member (2) comprises a first sliding block (21) and a first abutting plate (22), the first sliding block (21) is located in a first groove (11), the first sliding block (21) is in sliding fit with the first groove (11), the first groove (11) penetrates through a vertical side wall of the first fixing block (1) far away from the pressure sensor (6), an insertion groove (211) is formed in the upper surface of the first sliding block (21), a communication groove (212) is formed in the upper surface of the vertical side wall of the first sliding block (21) far away from the movable limiting member (5), the insertion groove (211) is communicated with the vertical groove of the first sliding block, the first abutting plate (22) is located in the insertion groove (211), the first abutting plate (22) and the insertion groove (211) are far away from the vertical inner side wall of the movable limiting member (5), the second abutting part (3) and the first fixed block (1) are of a detachable fixed connection structure.
3. The device for detecting the axial fastening force of the bolt connection auxiliary shaft as claimed in claim 1, wherein the second abutting member (3) is a second abutting plate (31), and the second abutting plate (31) is in inserted fit with the end portion of the vertical outer side wall of the first fixed block (1) far away from the movable limiting component.
4. The axial fastening force detection device of the bolt connection auxiliary shaft as claimed in claim 2, wherein a through hole is formed in the second abutting plate (31) away from the center of the vertical side wall of the first fixing block (1), and a clamping groove (311) is formed in the radial direction of the through hole.
5. The device for detecting the axial fastening force of a bolt connection secondary shaft according to claim 1, wherein the movable limiting member (5) is a limiting sleeve (51), and the limiting sleeve (51) is in threaded connection with the end of the connecting rod (4) far away from the pressure sensor (6).
6. A device for detecting the axial fastening force of a bolt joint according to claim 5, wherein a handle (52) is fixedly attached to the outer side wall of the check sleeve (51).
7. The device for detecting the axial fastening force of the bolt connection auxiliary shaft as claimed in claim 3, wherein a second fixing block (7) is fixedly connected to one side of the first fixing block (1) close to the second abutting plate (31), a second groove (71) is formed in the upper surface of the second fixing block (7), the second groove (71) is communicated with the groove of the first fixing block (1), and the second abutting plate (31) is in abutting fit with the second groove (71).
8. The axial fastening force detection device of a bolt connection auxiliary shaft according to claim 7, characterized in that the two opposite vertical side walls of the second groove (71) far away from one end of the first fixed block (1) are provided with overlapping grooves (72).
CN201921795888.7U 2019-10-23 2019-10-23 Axial fastening force detection device for bolt connection pair Expired - Fee Related CN210833972U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921795888.7U CN210833972U (en) 2019-10-23 2019-10-23 Axial fastening force detection device for bolt connection pair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921795888.7U CN210833972U (en) 2019-10-23 2019-10-23 Axial fastening force detection device for bolt connection pair

Publications (1)

Publication Number Publication Date
CN210833972U true CN210833972U (en) 2020-06-23

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ID=71265253

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921795888.7U Expired - Fee Related CN210833972U (en) 2019-10-23 2019-10-23 Axial fastening force detection device for bolt connection pair

Country Status (1)

Country Link
CN (1) CN210833972U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112731212A (en) * 2020-11-16 2021-04-30 宜兴市鸿雁电器有限公司 Quality detection device is used in electric socket production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112731212A (en) * 2020-11-16 2021-04-30 宜兴市鸿雁电器有限公司 Quality detection device is used in electric socket production

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Legal Events

Date Code Title Description
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200623

Termination date: 20211023