CN213041481U - Bolt strength detection device - Google Patents

Bolt strength detection device Download PDF

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Publication number
CN213041481U
CN213041481U CN202021245027.4U CN202021245027U CN213041481U CN 213041481 U CN213041481 U CN 213041481U CN 202021245027 U CN202021245027 U CN 202021245027U CN 213041481 U CN213041481 U CN 213041481U
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CN
China
Prior art keywords
testing
bolt
compression
bolt strength
mounting groove
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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
CN202021245027.4U
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Chinese (zh)
Inventor
余海燕
桂宏凡
袁琪
胡蒋明
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Hubei Polytechnic Institute
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Hubei Polytechnic Institute
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Priority to CN202021245027.4U priority Critical patent/CN213041481U/en
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Publication of CN213041481U publication Critical patent/CN213041481U/en
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Abstract

The utility model discloses a bolt strength detection device, including testing platform case and compression testing arrangement, torsion testing arrangement, the clamping device of setting at testing platform case upper surface, compression testing arrangement is fixed in testing platform case upper surface one side, torsion testing arrangement is located compression testing arrangement one side, torsion testing arrangement is including the lifter plate, surface symmetric connection has two pneumatic telescopic links under the lifter plate both ends, and two pneumatic telescopic link bottoms all run through testing platform roof board and extend to inside and interior bottom plate fixed mutually, just the inside compression testing arrangement one side of being close to of testing platform incasement portion is equipped with air pump unit, clamping device is located under the lifter plate. The utility model discloses not only improved detection device's diversified test function, but also better improvement the efficiency of bolt detection work.

Description

Bolt strength detection device
Technical Field
The utility model relates to a technical field of bolt check out test set specifically is a bolt intensity detection device.
Background
Bolt check out test set carries out the detecting instrument of strength test to the bolt, and general bolt has hexagon head, button head, square head, countersunk head etc.. With a hex head being the most common.
The existing bolt detection equipment generally only has the linear anti-stretching and anti-torque capacity test function, the strength of the bolt per se can be different according to the material difference, but the bolt still has better compressive capacity when connecting two objects, the screw can be avoided being bent under suitable pressure, therefore, the compressive strength of the bolt is also very important, a bolt strength detection device with the compressive test function can be developed for the compressive capacity test of bolts made of different materials, so that people can select corresponding material bolts to use better according to required strength.
SUMMERY OF THE UTILITY MODEL
The utility model mainly provides a bolt intensity detection device for solve the technical problem who proposes in the above-mentioned background art.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a bolt strength detection device comprises a detection platform box, and a compression test device, a torsion test device and a clamping device which are arranged on the upper surface of the detection platform box, wherein the compression test device is fixed on one side of the upper surface of the detection platform box and is a cuboid, a transparent protective cover is hinged at two upper top corners at one end of the compression test device, a belt cover mounting groove is arranged on the upper surface of one end of the compression test device, which is far away from the transparent protective cover, two electric hydraulic push rods are arranged in the belt cover mounting groove, a detection groove is formed in the upper surface of the compression test device, which is positioned between the transparent protective cover and the belt cover mounting groove, a butting block is fixed at one end of the detection groove, which is close to the transparent protective cover, a pressure sensor is inlaid in the butting block, a push block is movably arranged at one end of the detection groove, which is close to the belt cover mounting groove, a, and the output shafts of the two electric hydraulic push rods penetrate through the side wall of the mounting groove with the cover and extend into the detection groove to be connected with the push block.
Preferably, the torsion testing device is located compression testing device one side, the torsion testing device is including the lifter plate, surface symmetric connection has two pneumatic telescopic links under the lifter plate both ends, and two pneumatic telescopic link bottoms all run through testing platform roof board and extend to inside and inner bottom plate fixed, just the inside compression testing device one side that is close to of testing platform incasement portion is equipped with the air pump unit.
Preferably, the test motor is installed at lifter plate upper surface central point, test motor output shaft runs through the lifter plate and extends perpendicularly to the lower extreme and is connected with the trachea connecting seat, trachea connecting seat lower extreme surface central point is fixed with three-jaw air chuck, just trachea connecting seat lower extreme both sides are connected with the haplopore and protect the frame, the haplopore is protected the frame and is for dismantling.
Preferably, the test motor is provided with a torque sensor.
Preferably, clamping device is located under the lifter plate, clamping device is including rectangle restriction frame, rectangle restriction frame is fixed in testing platform case upper surface, testing platform roof corresponds rectangle restriction frame and has seted up the expansion joint, just the inside parallel of rectangle restriction frame is equipped with two restriction levers, two the restriction lever both ends all run through rectangle restriction frame lateral wall and are fixed connection.
Preferably, two clamping blocks are symmetrically arranged in the rectangular limiting frame, the limiting rods movably penetrate through the two clamping blocks to be in sliding connection, and two arc-shaped clamping grooves are symmetrically formed in the center of the side wall, close to the top end of each clamping block, of the two clamping blocks.
Preferably, two the clamp splice bottom runs through the expansion joint and extends to the lower extreme and is connected with pneumatic push rod respectively, two pneumatic push rod symmetry sets up, and two pneumatic push rod lower extremes are equipped with the support frame, the support frame bottom is fixed with the testing platform incasement soleplate, just the support frame top is equipped with the backup pad, two pneumatic push rod's base all is connected through bolt and backup pad both ends upper surface fixed.
Preferably, the air pump unit is respectively connected with the pneumatic telescopic rod, the three-jaw pneumatic chuck and the pneumatic push rod through a high-pressure air pipe.
Preferably, the last surface mounting that resistance to compression testing arrangement kept away from tape cover mounting groove one end has a pressure display, testing platform case upper surface still is provided with the controller, the controller is electric connection through wire and pressure display, pressure sensor, air pump unit, test motor, torque sensor and electronic hydraulic push rod respectively.
Preferably, the transparent protective cover is far away from one end of the compression resistance testing device and is connected with a screw knob in a penetrating mode, and the upper surface of the compression resistance testing device, which is located between the mounting groove with the cover and the detection groove, is welded with a positioning nut corresponding to the screw knob.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a compressive testing device is used for the compressive strength detection of bolt, utilize two electronic hydraulic push rods to promote the ejector pad and acquire pressure drive, inlay corresponding slotted joint on the ejector pad, be convenient for block the head of bolt in the groove, carry out better restriction, the other end supports the pressure sensor conduction position on the butt piece, can acquire the pressure value that the bolt bore in real time when promoting, produce recording pressure value data after the bending phenomenon until the bolt, for avoiding the bolt atress departure, transparent protection casing has still been set up, still be convenient for observe the state of bolt when protecting detection personnel, it carries out the centre gripping fixedly to the bolt still to be equipped with clamping device in addition, be used for cooperating the torsion testing device to carry out the torsion test to the bolt, detection device's diversified test function has been improved, better improvement the efficiency of bolt detection work.
The present invention will be explained in detail with reference to the drawings and specific embodiments.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view of the internal structure of the inspection platform box of the present invention;
fig. 3 is a schematic structural view of the torque testing mechanism of the present invention;
FIG. 4 is an enlarged view of area A of FIG. 1;
FIG. 5 is an enlarged view of area B of FIG. 1;
FIG. 6 is an enlarged view of area C of FIG. 1;
fig. 7 is an enlarged view of region D in fig. 2.
Description of the drawings: 1. detecting a platform box; 1a, a movable port; 2. a compression resistance testing device; 21. a mounting groove with a cover; 22. a transparent protective cover; 22a, a screw knob; 22b, a positioning nut; 23. a detection tank; 24. a push block; 24a, a slotted bayonet joint; 25. a butting block; 25a, a pressure sensor; 26. a pressure display; 27. an electric hydraulic push rod; 3. a torsion testing device; 31. a lifting plate; 32. a pneumatic telescopic rod; 33. testing the motor; 34. a gas pipe connecting seat; 35. a three-jaw air chuck; 36. a single-hole protection frame; 37. a torque sensor; 4. a clamping device; 41. a rectangular bounding box; 41a, a limit lever; 42. a clamping block; 42a, an arc-shaped clamping groove; 43. a support frame; 43a, a support plate; 44. a pneumatic push rod; 5. an air pump unit; 6. and a controller.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the embodiment, please refer to fig. 1-3, a bolt strength detecting device includes a detecting platform box 1, and a compression testing device 2, a torsion testing device 3, and a clamping device 4 which are arranged on the upper surface of the detecting platform box 1, wherein the compression testing device 2 is fixed on one side of the upper surface of the detecting platform box 1, the torsion testing device 3 is located on one side of the compression testing device 2, the torsion testing device 3 includes a lifting plate 31, the lower surfaces of two ends of the lifting plate 31 are symmetrically connected with two pneumatic telescopic rods 32, the bottoms of the two pneumatic telescopic rods 32 all penetrate through the top plate of the detecting platform box 1 and extend to the inside to be fixed with the inner bottom plate, an air pump unit 5 is arranged on one side of the inside of the detecting platform box 1, which is close to the compression testing device 2, and the clamping device 4 is located under the.
In the embodiment, referring to fig. 1, 4 and 5, the compression testing apparatus 2 is a rectangular body, two top corners at one end of the compression testing apparatus 2 are hinged with a transparent protection cover 22, the compression testing apparatus 2 is provided with a mounting groove 21 with a cover on the upper surface of the end far away from the transparent protection cover 22, two electric hydraulic push rods 27 are arranged in the mounting groove 21 with the cover, the maintenance of the electric hydraulic push rods 27 can be facilitated by opening the cover of the mounting groove 21 with the cover, the upper surface of the compression testing apparatus 2 is provided with a detection groove 23 between the transparent protection cover 22 and the mounting groove 21 with the cover, a butt block 25 is fixed at the end near the transparent protection cover 22 in the detection groove 23, a pressure sensor 25a (model TJL-1B) is embedded in the butt block 25, a push block 24 is movably arranged at the end near the mounting groove 21 with the cover in the detection groove 23, a slot clamp 24a is embedded at the side of the push block 24 corresponding to the pressure, the tape slot joint 24a is the cooperation of T type structure with ejector pad 24 to tape slot joint 24 a's applicable hex bolts of cell body, square head bolt, button head bolt etc. two the output shaft of electronic hydraulic push rod 27 all runs through tape cover mounting groove 21 lateral wall and extends to and is connected with ejector pad 24 in detecting the groove 23, transparent protection casing 22 is kept away from 2 one end through connections of resistance to compression testing arrangement 22a, resistance to compression testing arrangement 2 is located tape cover mounting groove 21 and detects the upper surface between the groove 23 and corresponds screw knob 22a welding and have set nut 22b, implements through upset transparent protection casing 22 and closes the lid and open, and it is fixed to utilize screw knob 22a and set nut 22b cooperation to be threaded connection after closing the lid, and it can to loosen screw knob 22a when opening.
In an embodiment, referring to fig. 1 and 3, a testing motor 33 (model tch (v)40-750 + 200S) is installed at a central portion of an upper surface of the lifting plate 31, an output shaft of the testing motor 33 penetrates through the lifting plate 31 and vertically extends to a lower end to be connected with an air pipe connecting seat 34, a three-jaw air chuck 35 (model BK160TQ) is fixed at a central portion of a lower end surface of the air pipe connecting seat 34, two sides of the lower end of the air pipe connecting seat 34 are connected with a single-hole protection frame 36, the single-hole protection frame 36 is detachable, a torsion sensor 37 (model WSNJ-101) is installed on the testing motor 33, the air pipe connecting seat 34 and the three-jaw air chuck 35 are driven to rotate by the operation of the testing motor 33, the three-jaw air chuck 35 clamps one end of a bolt far from a head for testing, the torsion sensor 37 obtains torsion information, the bolt to be tested passes through a, the falling protection under the stress state is convenient to carry out.
In an embodiment, referring to fig. 1, 6 and 7, the clamping device 4 includes a rectangular limiting frame 41, the rectangular limiting frame 41 is fixed on the upper surface of the detection platform box 1, a top plate of the detection platform box 1 is provided with a movable opening 1a corresponding to the rectangular limiting frame 41, two limiting rods 41a are arranged in parallel inside the rectangular limiting frame 41, two ends of the two limiting rods 41a penetrate through the side wall of the rectangular limiting frame 41 to be fixedly connected, two clamping blocks 42 are symmetrically arranged inside the rectangular limiting frame 41, the two limiting rods 41a penetrate through the two clamping blocks 42 to be slidably connected, two arc-shaped clamping grooves 42a are symmetrically arranged at the center of the side wall where the top ends of the two clamping blocks 42 are close to each other, so as to clamp one end of the head of a bolt, the bottom ends of the two clamping blocks 42 penetrate through the movable opening 1a and extend to the lower ends to be connected to a pneumatic push rod 44, two pneumatic push rod 44 symmetry sets up, and two pneumatic push rod 44 lower extremes are equipped with support frame 43, support frame 43 bottom is fixed with the bottom plate in the testing platform case 1, just support frame 43 top is equipped with backup pad 43a, two pneumatic push rod 44's base all is through bolt and backup pad 43a both ends upper surface fixed connection.
In an embodiment, referring to fig. 1 to 7, the air pump unit 5 is connected to the pneumatic telescopic rod 32, the three-jaw pneumatic chuck 35 and the pneumatic push rod 44 through a high pressure air pipe, the upper surface of the end of the compression testing apparatus 2 away from the end with the cover mounting groove 21 is provided with the pressure display 26, the upper surface of the detection platform box 1 is further provided with the controller 6 (model EC2N-20MR), the controller 6 is electrically connected to the pressure display 26, the pressure sensor 25a, the air pump unit 5, the testing motor 33, the torque sensor 37 and the electric hydraulic push rod 27 through wires, a corresponding control program is written in a PLC control system of the controller 6, the air pump unit 5 can be controlled to work as the pneumatic telescopic rod 32, the three-jaw pneumatic chuck 35 and the pneumatic push rod 44, and the testing motor 33 and the electric hydraulic push rod 27 can be controlled to work, the pressure sensor 25a and the torque sensor 37 transmit the acquired data information to the controller 6 for processing and judgment, and the pressure display 26 receives the pressure information acquired from the controller 6 for display, so as to provide corresponding data information for the detection personnel in time.
The utility model discloses a concrete flow is as follows:
firstly, when the bolt to be detected is subjected to compression resistance detection, the bolt is placed between a push block 24 and an abutting block 25 in a detection groove 23, the head of the bolt is kept clamped in a corresponding clamping joint 24a with a groove, the other end of the bolt abuts against the surface of a conducting end of a pressure sensor 25a, then the transparent protective cover 22 is turned over to close the cover, a screw knob 22a and a positioning nut 22b are matched and fixed in threaded connection, then the controller 6 controls two electric hydraulic push rods 27 to work, the push block 24 is pushed to extrude the bolt until the bolt is bent, corresponding pressure data on a pressure display 26 is read and recorded, finally the two electric hydraulic push rods 27 are retracted, and the transparent protective cover 22 is opened to take out the bolt, so that the compression resistance detection work of the next bolt can be;
secondly, when waiting to examine bolt and carrying out torsion detection, place the bolt head and utilize two arc clamping grooves 42a to carry out the clamping between two clamp splice 42, control air pump unit 5 work through controller 6 afterwards and provide lift drive power for two pneumatic telescopic links 32, make three-jaw air chuck 35 on the lifter plate 31 descend and carry out the clamping to the other end of bolt, the bolt has passed the through-hole of haplopore protection frame 36 and has carried out spacing protection this moment, air pump unit 5 makes three-jaw air chuck 35 tightly clip the bolt, test motor 33 opens the mode immediately and carries out the torsion test, until the bolt is by the torsional deformation, torque sensor 37 acquires torsion information transmission to control 6 in real time, provide required data support for the detection personnel.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims (10)

1. A bolt strength detection device comprises a detection platform box (1) and a compression resistance test device (2), a torsion test device (3) and a clamping device (4) which are arranged on the upper surface of the detection platform box (1), and is characterized in that the compression resistance test device (2) is fixed on one side of the upper surface of the detection platform box (1), the compression resistance test device (2) is a rectangular body, two top corners of one end of the compression resistance test device (2) are hinged with a transparent protective cover (22), the upper surface of one end, far away from the transparent protective cover (22), of the compression resistance test device (2) is provided with a mounting groove (21) with a cover, two electric hydraulic push rods (27) are arranged in the mounting groove (21) with the cover, the upper surface of the compression resistance test device (2) is positioned between the transparent protective cover (22) and the mounting groove (21) with the cover, a butt joint block (25) is fixed at one end, close to the transparent protective cover (22) in the, inlay in butt joint piece (25) and have pressure sensor (25a), just it is equipped with ejector pad (24) to be close to the activity of belted cover mounting groove (21) one end in detection groove (23), ejector pad (24) correspond pressure sensor (25a) one side and inlay and have belted groove joint head (24a), two the output shaft of electronic hydraulic push rod (27) all runs through belted cover mounting groove (21) lateral wall and extends to and is connected with ejector pad (24) in detecting groove (23).
2. The bolt strength detection device according to claim 1, wherein the torsion testing device (3) is located on one side of the compression testing device (2), the torsion testing device (3) comprises a lifting plate (31), two pneumatic telescopic rods (32) are symmetrically connected to lower surfaces of two ends of the lifting plate (31), bottoms of the two pneumatic telescopic rods (32) penetrate through a top plate of the detection platform box (1) and extend to the inside to be fixed with the inner bottom plate, and an air pump unit (5) is arranged on one side, close to the compression testing device (2), of the inside of the detection platform box (1).
3. The bolt strength detecting device according to claim 2, wherein a testing motor (33) is installed at the central portion of the upper surface of the lifting plate (31), an output shaft of the testing motor (33) penetrates through the lifting plate (31) and vertically extends to the lower end to be connected with an air pipe connecting seat (34), a three-jaw air chuck (35) is fixed at the central portion of the lower end surface of the air pipe connecting seat (34), single-hole protecting frames (36) are connected to two sides of the lower end of the air pipe connecting seat (34), and the single-hole protecting frames (36) are detachable.
4. A bolt strength detecting device according to claim 3, wherein a torsion sensor (37) is mounted on the test motor (33).
5. The bolt strength detection device according to claim 4, wherein the clamping device (4) is located under the lifting plate (31), the clamping device (4) comprises a rectangular limiting frame (41), the rectangular limiting frame (41) is fixed on the upper surface of the detection platform box (1), a movable opening (1a) is formed in the top plate of the detection platform box (1) corresponding to the rectangular limiting frame (41), two limiting rods (41a) are arranged inside the rectangular limiting frame (41) in parallel, and two ends of each limiting rod (41a) penetrate through the side wall of the rectangular limiting frame (41) to be fixedly connected.
6. The bolt strength detection device according to claim 5, wherein two clamping blocks (42) are symmetrically arranged in the rectangular limiting frame (41), the two limiting rods (41a) movably penetrate through the two clamping blocks (42) to be in sliding connection, and two arc-shaped clamping grooves (42a) are symmetrically formed in the center of the side wall, close to the top ends of the two clamping blocks (42).
7. The bolt strength detection device according to claim 6, wherein the bottom ends of the two clamping blocks (42) penetrate through the movable opening (1a) and extend to the lower ends to be connected with pneumatic push rods (44), the two pneumatic push rods (44) are symmetrically arranged, the lower ends of the two pneumatic push rods (44) are provided with support frames (43), the bottoms of the support frames (43) are fixed with the bottom plate of the detection platform box (1), the top of each support frame (43) is provided with a support plate (43a), and the bases of the two pneumatic push rods (44) are fixedly connected with the upper surfaces of the two ends of each support plate (43a) through bolts.
8. The bolt strength detection device according to claim 7, wherein the air pump unit (5) is connected with the pneumatic telescopic rod (32), the three-jaw pneumatic chuck (35) and the pneumatic push rod (44) through high-pressure air pipes respectively.
9. The bolt strength detection device according to claim 8, wherein a pressure display (26) is mounted on the upper surface of one end, away from the mounting groove (21), of the compression testing device (2), a controller (6) is further arranged on the upper surface of the detection platform box (1), and the controller (6) is electrically connected with the pressure display (26), the pressure sensor (25a), the air pump unit (5), the testing motor (33), the torsion sensor (37) and the electric hydraulic push rod (27) through wires respectively.
10. The bolt strength detection device according to claim 1, wherein a screw knob (22a) is penetratingly connected to one end of the transparent protective cover (22) far away from the compression testing device (2), and a positioning nut (22b) is welded to the upper surface of the compression testing device (2) between the cover mounting groove (21) and the detection groove (23) corresponding to the screw knob (22 a).
CN202021245027.4U 2020-12-23 2020-12-23 Bolt strength detection device Expired - Fee Related CN213041481U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021245027.4U CN213041481U (en) 2020-12-23 2020-12-23 Bolt strength detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021245027.4U CN213041481U (en) 2020-12-23 2020-12-23 Bolt strength detection device

Publications (1)

Publication Number Publication Date
CN213041481U true CN213041481U (en) 2021-04-23

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Application Number Title Priority Date Filing Date
CN202021245027.4U Expired - Fee Related CN213041481U (en) 2020-12-23 2020-12-23 Bolt strength detection device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114608966A (en) * 2022-05-05 2022-06-10 南通创众科技有限公司 Industrial chemical fiber paper tube quality detection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114608966A (en) * 2022-05-05 2022-06-10 南通创众科技有限公司 Industrial chemical fiber paper tube quality detection device

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Granted publication date: 20210423

Termination date: 20211223