CN113465857A - Transverse vibration testing machine for fastener - Google Patents
Transverse vibration testing machine for fastener Download PDFInfo
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- CN113465857A CN113465857A CN202111018646.9A CN202111018646A CN113465857A CN 113465857 A CN113465857 A CN 113465857A CN 202111018646 A CN202111018646 A CN 202111018646A CN 113465857 A CN113465857 A CN 113465857A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/02—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of table type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/12—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with storage compartments
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- Mechanical Engineering (AREA)
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a transverse vibration testing machine for a fastener, which belongs to the field of transverse vibration testing machines and comprises a workbench, wherein the upper surface of the workbench is rotatably connected with a rotating ring and the rotating ring, the upper surface of the workbench is positioned on one side of the rotating ring and is fixedly connected with a first connecting plate, the upper surface of the first connecting plate is fixedly connected with a supporting plate, the lower surface of the supporting plate is fixedly connected with a first motor, a main shaft of the first motor penetrates through the supporting plate, the upper end of the main shaft of the first motor is fixedly connected with a first gear, the excircle of the rotating ring is fixedly connected with a second gear, the second gear is meshed with the first gear, the upper surface of the workbench is positioned in the rotating ring and is fixedly connected with a vibration device, and the upper surface of the rotating ring is fixedly connected with two clamping devices. According to the invention, the two stations are arranged, so that the test and the preparation work are carried out simultaneously, and the test efficiency is improved.
Description
Technical Field
The invention belongs to the field of transverse vibration testing machines, and particularly relates to a transverse vibration testing machine for a fastener.
Background
The transverse vibration testing machine for the fastener is a testing machine specially used for testing and analyzing the self-locking performance of the fastener, and judges the anti-loosening characteristic of the threaded fastener by analyzing the change curves of axial pretightening force, transverse displacement, loosening corner and vibration period; so as to research the self-locking and optimal locking characteristics of the threaded fastening system in the mechanical structure, and can be used for analyzing the reason of loosening of the threaded fastener.
In the prior art, publication number CN107036777A discloses a high-low temperature transverse vibration testing machine for fasteners, which comprises a frame and a support, wherein a clamp is arranged on the support, a first force measuring sensor is arranged on the clamp, the testing machine further comprises a base and a control box with controllable internal temperature, a driving assembly is arranged in the frame, a second force measuring sensor is arranged on the driving assembly, and a displacement sensor is arranged on the support.
Above-mentioned only be equipped with a centre gripping station among the test equipment, when the device is carrying out the fastener experiment, can't dismantle and prepare installation work to other fasteners, be unfavorable for the improvement of test efficiency.
Disclosure of Invention
The invention aims to provide a transverse vibration testing machine for a fastener.
In order to achieve the purpose, the invention adopts the following technical scheme:
a transverse vibration testing machine for fasteners comprises a workbench, wherein the upper surface of the workbench is connected with a rotating ring in a rotating manner, the upper surface of the workbench is positioned on one side of the rotating ring and fixedly connected with a first connecting plate, the upper surface of the first connecting plate is fixedly connected with a supporting plate, the lower surface of the supporting plate is fixedly connected with a first motor, a main shaft of the first motor penetrates through the supporting plate, the upper end of the main shaft of the first motor is fixedly connected with a first gear, the excircle of the rotating ring is fixedly connected with a second gear, the second gear is meshed with the first gear, the upper surface of the workbench is positioned in the rotating ring and fixedly connected with a vibration device, the upper surface of the rotating ring is fixedly connected with two clamping devices, the vibration device comprises a first vertical plate, the first vertical plate is fixedly connected with the upper surface of the workbench, one side of the first vertical plate is fixedly connected with a second motor, and the main shaft of the second motor penetrates through the first vertical plate, the one end fixed connection rolling disc of the main shaft of second motor, one side fixed connection cylinder of rolling disc, the connection transfer line is rotated to the cylindrical excircle, the upper surface of workstation is located first riser one side fixed connection second riser, one side of second riser is equipped with the logical groove of first square, the logical inslot sliding connection slide bar of first square, the first force cell sensor of one end fixed connection of slide bar. One end of the first force measuring sensor is fixedly connected with the rotating seat, the transmission rod is hinged with the rotating seat, and one end, far away from the first force measuring sensor, of the sliding rod is fixedly connected with the first connecting seat.
As an optimal scheme of fastener transverse vibration testing machine, clamping device includes the frame plate, one side of frame plate is equipped with first spout, sliding connection slider in the first spout, one side of frame plate and slider all is equipped with circular logical groove, one side of slider is equipped with the connecting rod, the one end fixed connection second connecting seat of connecting rod, one side fixed connection rotating device of slider, rotating device one end fixed connection second connecting plate, second connecting plate one side fixed connection second force cell sensor, the second connecting plate all is equipped with the mounting groove with one side of second force cell sensor, sliding connection screw in the mounting groove, screw one end threaded connection first nut, first nut contacts with one side of second force cell sensor.
As an optimal scheme of the transverse vibration testing machine for the fastener, one side of the second connecting seat close to the second connecting plate is fixedly connected with a square rod, and one end of the square rod is fixedly connected with a wedge-shaped block.
As an optimal scheme of the transverse vibration testing machine for the fastener, a second sliding groove is formed in one side of the sliding block and is connected with a connecting rod in a sliding mode, and a first spring is fixedly connected between one end of the connecting rod and the side wall of the second sliding groove.
As an optimal selection scheme of fastener lateral vibration testing machine, rotating device includes first diaphragm, one side of first diaphragm and one side fixed connection of slider, fixed surface connects the dead lever on the first diaphragm, the excircle of dead lever rotates connects the second diaphragm, one side of second diaphragm and one side fixed connection of second connecting plate, second diaphragm and dead lever junction are equipped with the torsional spring.
As a fastener lateral vibration testing machine's preferred scheme, the last fixed surface of wedge connects the axis of rotation, the excircle of axis of rotation rotates and connects two branches, two branch all is equipped with the torsional spring with the position of being connected of axis of rotation, the upper surface of wedge is equipped with square through groove, sliding connection circular rod in the square through groove, the excircle of circular rod is located the fixed connection circular block between two branches, the excircle of circular rod is located the lower surface threaded connection second nut of wedge.
As an optimal scheme of fastener transverse vibration testing machine, the bottom of workstation is located four corners and all is equipped with square groove, four the square inslot all is equipped with the bradyseism device, the bradyseism device includes the sliding block, sliding block and square groove sliding connection, sliding block one side and one side fixed connection second spring in square groove, the bottom surface fixed connection supporting shoe of sliding block.
As a preferred scheme of the transverse vibration testing machine for the fastener, a third spring is fixedly connected between one side of the sliding block and the side wall of the first sliding groove.
As an optimal scheme of the transverse vibration testing machine for the fastener, the first connecting seat and the second connecting seat are both arc-shaped and matched with each other.
As a preferred scheme of the transverse vibration testing machine for the fastening piece, two storage cabinets are arranged below the workbench and positioned below the rotating ring.
The invention has the technical effects and advantages that: compared with the prior art, the transverse vibration testing machine for the fastener provided by the invention has the following advantages:
1. the invention starts the first motor by arranging a rotating ring, a first motor, a clamping device, a second motor, a rotating disc, a transmission rod, a sliding rod, a first force measuring sensor and a first connecting seat, wherein the first motor drives a first gear to rotate, the second gear drives the rotating ring to rotate on the upper surface of a worktable as the second gear is meshed with the first gear, the rotating ring drives two clamping devices on the surface to rotate, after one clamping device clamps a screw to be tested, the rotating ring drives the clamping device to rotate, so that the clamping device which clamps the screw is close to the first connecting seat on a vibrating device in rotation, the first connecting seat is gradually connected with the clamping device in rotation, after the connection is completed, the first motor is closed, the second motor is started, the second motor drives the rotating disc to rotate, the rotating disc drives a cylinder to rotate, the rotating track of the cylinder is circular, in the process of rotating the cylinder, the cylinder drives the transmission rod to move, the cylinder rotates for a circle, one end of the transmission rod rotates on the rotating seat, one end of the transmission rod rotates on the excircle of the cylinder, in the process of rotating the cylinder from the closest point to the second vertical plate to the farthest point from the second vertical plate, along with the gradual increase of the distance, the transmission rod pulls the sliding rod to slide towards the rotating disc and simultaneously rotates by taking the rotating seat as the circle center, then in the process of rotating the cylinder from the farthest point to the second vertical plate and returning to the closest point to the second vertical plate, along with the gradual decrease of the distance, the transmission rod pushes the sliding rod to slide towards the direction far from the rotating disc, the rotating disc continuously rotates, the sliding rod slides back and forth on the second vertical plate, the sliding rod enables the clamping device to rapidly move back and forth through the first connecting seat to form transverse vibration, and a vibration test is carried out on a screw on the clamping device, first force cell sensor is to the power of dragging in the vibration process, and another clamping device can dismantle or preparation such as installation this moment, through setting up two stations, makes experimental and preparation go on simultaneously, when having improved experimental efficiency, tests through two stations rotation, makes the testing machine continuous operation in very short time, has improved the frequency of use of testing machine to the utilization ratio of testing machine has been improved.
2. The invention is provided with the frame plate, the sliding block, the second connecting seat, the second force transducer and the rotating device, the vibrating device drives the sliding block to slide back and forth in the first chute through the first connecting seat and the second connecting seat, the sliding block drives the screw on the second connecting plate and the second force transducer to horizontally vibrate with the first nut through the rotating device, the second force transducer can detect the axial pretightening force between the screw and the first nut, thereby detecting the connection state between the screw and the first nut in real time and obtaining more accurate detection data, the distance between the sliding block and the second connecting plate is small, so that the nut can be installed through the circular through groove at one side of the frame plate and the sliding block when the nut is installed, the clamping device rotates along with the rotating ring, the rotating radius of the second connecting seat is kept unchanged in the rotating process, the first connecting seat is positioned on the rotating path of the second connecting seat, because first connecting seat cooperatees with the second connecting seat, make the second connecting seat be connected with first connecting seat at the rotation in-process, can realize the quick connection and accelerate experimental process.
3. The invention arranges a wedge block, a rotating shaft, a support rod, a torsion spring, a round rod, a round block and a second nut in the feeding box, when the vibration device pushes the second connecting seat through the first connecting seat, the slide block slides in the first sliding groove, the third spring is compressed, the rotating device drives the second connecting plate and the screw on the second force-measuring sensor and the first nut to slide along with the slide block, when the third spring is compressed to the limit, the vibration device pushes the second connecting seat continuously through the first connecting seat, the connecting rod slides in the second sliding groove, the first spring is compressed, along with the slide of the connecting rod, the second connecting seat is close to the slide block under the push of the first connecting seat, the wedge block enters between the slide block and the second connecting plate and gradually contacts with the slide block and the second connecting plate, and along with the penetration of the wedge block, the gap between the slide block and the second connecting plate is gradually propped open by the wedge block, the second connecting plate drives the screw on the second force-measuring sensor and the first nut to rotate together by a certain angle through the rotating device, so that the second connecting plate and the second force-measuring sensor as well as the screw and the first nut are subjected to back-and-forth vibration in the horizontal direction, the rotating vibration in the horizontal direction is realized through the wedge block, when the amplitude of the rotating vibration needs to be adjusted, the circular rod can be pushed to slide in the square through groove, when the rotating shaft is approached, the circular block pushes the two supporting rods to rotate outwards to increase the angle between the two supporting rods, then the second nut is rotated to fix the circular rod, at the moment, when the wedge block enters the gap between the sliding block and the second connecting plate again, the two supporting rods open a larger gap between the sliding block and the second connecting plate, so that the rotating angle of the second connecting plate is increased, and the test conditions can be set according to the self requirement, the application of the testing machine is more flexible.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is an enlarged perspective view of the structure at E in fig. 1.
Fig. 3 is a schematic view of the vibration device and the clamping device in a connected state.
Fig. 4 is a schematic structural view of the rotating device.
Fig. 5 is a top view of a wedge block.
Fig. 6 is a side view of a wedge block.
FIG. 7 is a cross-sectional view of a cushioning device.
Fig. 8 is a cross-sectional view of the slider.
In the figure: 1-a workbench; 2-rotating the ring; 201-a first connection board; 202-a pallet; 203-a first motor; 204-a first gear; 205-a second gear; 3-a vibration device; 301-a first riser; 302-a second electric machine; 303-rotating disk; 304-cylinder; 305-a transmission rod; 306-a second riser; 307-sliding rod; 308-a first load cell; 309-rotating seat; 310-a first connection mount; 4-a clamping device; 401-frame plate; 402-a slider; 403-a connecting rod; 404-a second connection seat; 405-a second connecting plate; 406-a second load cell; 407-screw; 408-a first nut; 409-square pole; 410-wedge block; 411-a first spring; 412-a rotating shaft; 413-strut; 414-circular rod; 415-circular block; 416-a second nut; 5-a rotating device; 501-a first transverse plate; 502-a fixation rod; 503-a second horizontal plate; 6-a cushioning device; 601-a slider; 602-a second spring; 603-a support block; 7-storage cabinet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme as shown in figures 1-8: a transverse vibration testing machine for fasteners comprises a workbench 1, wherein the upper surface of the workbench 1 is rotatably connected with a rotating ring 2, the upper surface of the workbench 1 is positioned on one side of the rotating ring 2 and is fixedly connected with a first connecting plate 201, the upper surface of the first connecting plate 201 is fixedly connected with a supporting plate 202, the lower surface of the supporting plate 202 is fixedly connected with a first motor 203, a main shaft of the first motor 203 penetrates through the supporting plate 202, the upper end of the main shaft of the first motor 203 is fixedly connected with a first gear 204, the excircle of the rotating ring 2 is fixedly connected with a second gear 205, the second gear 205 is meshed with the first gear 204, the upper surface of the workbench 1 is positioned in the rotating ring 2 and is fixedly connected with a vibration device 3, the upper surface of the rotating ring 2 is fixedly connected with two clamping devices 4, the vibration device 3 comprises a first vertical plate 301, the first vertical plate 301 is fixedly connected on the upper surface of the workbench 1, one side of the first vertical plate 301 is fixedly connected with a second motor 302, a main shaft of a second motor 302 penetrates through a first vertical plate 301, one end of the main shaft of the second motor 302 is fixedly connected with a rotating disc 303, one side of the rotating disc 303 is fixedly connected with a cylinder 304, the outer circle of the cylinder 304 is rotatably connected with a transmission rod 305, the upper surface of the workbench 1 is positioned on one side of the first vertical plate 301 and is fixedly connected with a second vertical plate 306, one side of the second vertical plate 306 is provided with a first square through groove, the first square through groove is in sliding connection with a sliding rod 307, one end of the sliding rod 307 is fixedly connected with a first force-measuring sensor 308, one end of the first force-measuring sensor 308 is fixedly connected with a rotating seat 309, the transmission rod 305 is hinged with the rotating seat 309, one end of the sliding rod 307, which is far away from the first force-measuring sensor 308, is fixedly connected with a first connecting seat 310, during an experiment, the first motor 203 is started, the first motor 203 drives a first gear 204 to rotate, and the second gear 205 is meshed with the first gear 204 to rotate the second gear 205, the second gear 205 drives the rotating ring 2 to rotate on the upper surface of the worktable 1, the rotating ring 2 drives the two clamping devices 4 on the surface to rotate, when one of the clamping devices 4 has clamped the screw to be tested, the rotating ring 2 drives the clamping device 4 to rotate, so that the clamping device 4 with clamped screw rotates to be close to the first connecting seat 310 on the vibrating device 3, when the clamping device 4 rotates gradually to be close to the first connecting seat 310, during the rotation, the first connecting seat 310 is gradually connected with the clamping device 4, after the connection is completed, the first motor 203 is turned off, the second motor 302 is turned on, the second motor 302 drives the rotating disc 303 to rotate, the rotating disc 303 drives the cylinder 304 to rotate, the rotating track of the cylinder 304 is circular, during the rotation of the cylinder 304, the cylinder 304 drives the transmission rod 305 to move, the cylinder 304 rotates one circle, one end of the transmission rod 305 rotates on the rotating seat 309, one end of the cylinder 304 rotates at the excircle of the cylinder 304, in the process that the cylinder 304 rotates from the closest point to the second vertical plate 306 to the farthest point from the second vertical plate 306, along with the gradual increase of the distance, the transmission rod 305 pulls the sliding rod 307 to slide towards the direction of the rotating disc 303 and simultaneously rotates around the rotating seat 309 as the circle center, then in the process that the cylinder 304 rotates from the farthest point to the closest point to the second vertical plate 306, along with the gradual decrease of the distance, the transmission rod 305 pushes the sliding rod 307 to slide towards the direction far away from the rotating disc 303, the rotating disc 303 continuously rotates to enable the sliding rod 307 to slide back and forth on the second vertical plate 306, the sliding rod 307 enables the clamping device 4 to rapidly move back and forth through the first connecting seat 310 to form transverse vibration, the screw on the clamping device 4 is tested, the first force sensor 308 can carry out dismounting or mounting preparation for the other clamping device 4 at the moment of the pulling force in the vibration process, through setting up two stations, make experimental and preparation work go on simultaneously, when having improved experimental efficiency, experimental through two stations turns, make the testing machine continuous operation in very short time, improved the frequency of use of testing machine to the utilization ratio of testing machine has been improved.
The clamping device 4 comprises a frame plate 401, a first sliding groove is arranged on one side of the frame plate 401, a sliding block 402 is connected in the first sliding groove in a sliding manner, a circular through groove is formed in one side of the frame plate 401 and one side of the sliding block 402, a third spring 418 is fixedly connected between one side of the sliding block 402 and the side wall of the first sliding groove, a connecting rod 403 is arranged on one side of the sliding block 402, a second sliding groove is formed in one side of the sliding block 402 and is connected with the connecting rod 403 in a sliding manner, a first spring 411 is fixedly connected between one end of the connecting rod 403 and the side wall of the second sliding groove, one end of the connecting rod 403 is fixedly connected with a second connecting seat 404, the first connecting seat 310 and the second connecting seat 404 are both arc-shaped, the first connecting seat 310 is matched with the second connecting seat 404, a rotating device 5 is fixedly connected to one side of the sliding block 402, one end of the rotating device 5 is fixedly connected with a second connecting plate 405, a second force measuring sensor 406 is fixedly connected to one side of the second connecting plate 405, force measuring sensors 406 are arranged on one sides of the second connecting plate 405 and the second force measuring sensor 406, a screw 407 is connected in the mounting groove in a sliding manner, one end of the screw 407 is in threaded connection with a first nut 408, the first nut 408 is in contact with one side of a second force transducer 406, a vibration device 3 drives a sliding block 402 to slide back and forth in a first sliding groove through a first connecting seat 310 and a second connecting seat 404, the sliding block 402 drives a second connecting plate 405 and a screw 407 on the second force transducer 406 to vibrate horizontally with the first nut 408 through a rotating device 5, the second force transducer 406 can detect the axial pre-tightening force between the screw 407 and the first nut 408, so that the connection state between the screw 407 and the first nut 408 can be detected in real time, more accurate detection data can be obtained, the distance between the sliding block 402 and the second connecting plate 405 is small, so that the nut 408 can be mounted through a circular through groove on one side of the frame plate 401 and the sliding block 402 when the nut 408 is mounted, and the clamping device 4 rotates along with the rotating ring 2, in the rotating process, under the action of the first spring 411, the rotating radius of the second connecting seat 404 in the rotating process is kept unchanged, because the first connecting seat 310 and the second connecting seat 404 are both arc-shaped, and the first connecting seat 310 is positioned on the rotating path of the second connecting seat 404, because the first connecting seat 310 is matched with the second connecting seat 404, the second connecting seat 404 is connected with the first connecting seat 310 in the rotating process, and the process of quickly connecting and accelerating the test can be realized.
One side of the second connecting seat 404 close to the second connecting plate 405 is fixedly connected with a square rod 409, one end of the square rod 409 is fixedly connected with a wedge block 410, the upper surface of the wedge block 410 is fixedly connected with a rotating shaft 412, the outer circle of the rotating shaft 412 is rotatably connected with two supporting rods 413, the connecting parts of the two supporting rods and the rotating shaft 412 are respectively provided with a torsion spring, the upper surface of the wedge block 410 is provided with a square through groove, the square through groove is slidably connected with a round rod 414, the outer circle of the round rod 414 is positioned between the two supporting rods 413 and is fixedly connected with a round block 415, the outer circle of the round rod 414 is positioned on the lower surface of the wedge block 410 and is in threaded connection with a second nut 416, when the vibration device 3 pushes the second connecting seat 404 through the first connecting seat 310, the sliding block 402 slides in the first through groove, the third spring 418 is compressed, the rotating device 5 drives the second connecting plate 405 and the screw 407 and the first nut 408 on the second force measuring sensor 406 to slide along with the sliding of the sliding block 402, after the third spring 418 is compressed to the limit, at this time, when the vibration device 3 continues to push the second connection seat 404 through the first connection seat 310, the connection rod 403 slides in the second sliding slot, the first spring 411 is compressed, along with the sliding of the connection rod 403, the second connection seat 404 is pushed by the first connection seat 310 to be close to the slider 402, at this time, the wedge block 410 enters between the slider 402 and the second connection plate 405 and gradually contacts the slider 402 and the second connection plate 405, along with the penetration of the wedge block 410, the gap between the slider 402 and the second connection plate 405 is gradually expanded by the wedge block 410, so that the second connection plate 405 drives the screw 407 on the second load cell 406 and the first nut 408 to rotate together by a certain angle through the rotation device 5, and after the second connection plate 405 and the second load cell 406 and the screw 407 and the first nut 408 undergo back-and forth vibration in the horizontal direction, rotational vibration in the horizontal direction is realized through the wedge block 410, when the amplitude of the rotational vibration needs to be adjusted, the circular rod 414 can be pushed to enable the circular rod 414 to slide in the square through groove, when the circular block 415 is close to the rotating shaft 412, the two supporting rods 413 are pushed to rotate outwards to increase the angle between the two supporting rods 413, then the second nut 416 is rotated to fix the circular rod 414, at this moment, when the wedge-shaped block 410 enters the gap between the sliding block 402 and the second connecting plate 405 again, the gap between the sliding block 402 and the second connecting plate 405 is opened by the two supporting rods 413, the rotating angle of the second connecting plate 405 is increased, test conditions can be set according to own needs, and the application of the testing machine is more flexible.
The rotating device 5 comprises a first transverse plate 501, one side of the first transverse plate 501 is fixedly connected with one side of the sliding block 402, the upper surface of the first transverse plate 501 is fixedly connected with a fixing rod 502, the outer circle of the fixing rod 502 is rotatably connected with a second transverse plate 503, one side of the second transverse plate 503 is fixedly connected with one side of the second connecting plate 405, a torsion spring is arranged at the joint of the second transverse plate 503 and the fixing rod 502, when the wedge block 410 enters between the sliding block 402 and the second connecting plate 405, the torsion spring is extruded by the wedge block 410, so that the second connecting plate 405 and the second force measuring sensor 406 as well as the screw 407 and the first nut 408 rotate around the fixing rod 502, when the wedge block 410 leaves between the sliding block 402 and the second connecting plate 405, the torsion spring rotates to reset, vibration is generated in the back-and-forth rotating process, and the screw 407 and the first nut 408 are subjected to various vibration factors, and the test is more comprehensive.
The below that workstation 1 is located swivel becket 2 is equipped with two and stores cabinet 7, the bottom of workstation 1 is located four corners and all is equipped with square groove, four square inslots all are equipped with bradyseism device 6, bradyseism device 6 includes sliding block 601, sliding block 601 and square groove sliding connection, one side of sliding block 601 and one side fixed connection second spring 602 in square groove, the bottom surface fixed connection supporting shoe 603 of sliding block 601, it can be used to store the test screw to store cabinet 7, avoid making to mix and lose, when producing the vibration, slow down workstation 1's vibration to a certain extent through sliding block 601 and second spring 602.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a fastener transverse vibration testing machine, includes workstation (1), its characterized in that: the upper surface of the workbench (1) is rotatably connected with a rotating ring (2), the upper surface of the workbench (1) is positioned on one side of the rotating ring (2) and is fixedly connected with a first connecting plate (201), the upper surface of the first connecting plate (201) is fixedly connected with a supporting plate (202), the lower surface of the supporting plate (202) is fixedly connected with a first motor (203), a main shaft of the first motor (203) penetrates through the supporting plate (202), the upper end of the main shaft of the first motor (203) is fixedly connected with a first gear (204), the excircle of the rotating ring (2) is fixedly connected with a second gear (205), the second gear (205) is meshed with the first gear (204), the upper surface of the workbench (1) is positioned in the rotating ring (2) and is fixedly connected with a vibrating device (3), and the upper surface of the rotating ring (2) is fixedly connected with two clamping devices (4);
the vibration device (3) comprises a first vertical plate (301), the first vertical plate (301) is fixedly connected to the upper surface of the workbench (1), one side of the first vertical plate (301) is fixedly connected with a second motor (302), a main shaft of the second motor (302) penetrates through the first vertical plate (301), one end of a main shaft of the second motor (302) is fixedly connected with a rotating disc (303), one side of the rotating disc (303) is fixedly connected with a cylinder (304), the excircle of the cylinder (304) is rotatably connected with a transmission rod (305), the upper surface of the workbench (1) is positioned at one side of the first vertical plate (301) and is fixedly connected with a second vertical plate (306), one side of the second vertical plate (306) is provided with a first square through groove which is connected with a sliding rod (307) in a sliding way, one end of the sliding rod (307) is fixedly connected with a first load cell (308); one end of the first force measuring sensor (308) is fixedly connected with a rotating seat (309), the transmission rod (305) is hinged with the rotating seat (309), and one end, far away from the first force measuring sensor (308), of the sliding rod (307) is fixedly connected with a first connecting seat (310); the clamping device (4) comprises a frame plate (401), a first sliding groove is formed in one side of the frame plate (401), a sliding block (402) is connected in the first sliding groove in a sliding mode, a circular through groove is formed in one side of the frame plate (401) and one side of the sliding block (402), a connecting rod (403) is arranged on one side of the sliding block (402), one end of the connecting rod (403) is fixedly connected with a second connecting seat (404), one side of the sliding block (402) is fixedly connected with a rotating device (5), one end of the rotating device (5) is fixedly connected with a second connecting plate (405), one side of the second connecting plate (405) is fixedly connected with a second force measuring sensor (406), mounting grooves are formed in one sides of the second connecting plate (405) and the second force measuring sensor (406), screws (407) are connected in the mounting grooves in a sliding mode, one end of each screw (407) is in threaded connection with a first nut (408), the first nut (408) is in contact with one side of a second load cell (406).
2. The fastener lateral vibration testing machine of claim 1, wherein: one side that second connecting seat (404) is close to second connecting plate (405) is square pole (409) of fixed connection, the one end fixed connection wedge (410) of square pole (409).
3. The fastener lateral vibration testing machine of claim 1, wherein: one side of slider (402) is equipped with the second spout, second spout and connecting rod (403) sliding connection, fixed connection first spring (411) between the lateral wall of the one end of connecting rod (403) and second spout.
4. The fastener lateral vibration testing machine of claim 1, wherein: rotating device (5) include first diaphragm (501), one side fixed connection of first diaphragm (501) one side and slider (402), fixed surface connects dead lever (502) on first diaphragm (501), the excircle of dead lever (502) rotates and connects second diaphragm (503), one side of second diaphragm (503) and one side fixed connection of second connecting plate (405), second diaphragm (503) and dead lever (502) junction are equipped with the torsional spring.
5. The fastener lateral vibration testing machine of claim 2, wherein: last fixed surface of wedge (410) connects axis of rotation (412), the excircle of axis of rotation (412) is rotated and is connected two branch (413), two branch (413) all are equipped with the torsional spring with the position of being connected of axis of rotation (412), the upper surface of wedge (410) is equipped with square through groove, sliding connection circular rod (414) in the square through groove, the excircle of circular rod (414) is located fixed connection circular piece (415) between two branch (413), the excircle of circular rod (414) is located lower surface threaded connection second nut (416) of wedge (410).
6. The fastener lateral vibration testing machine of claim 1, wherein: the bottom of workstation (1) is located four corners and all is equipped with square groove, four square inslot all is equipped with bradyseism device (6), bradyseism device (6) are including sliding block (601), sliding block (601) and square groove sliding connection, sliding block (601) one side and one side fixed connection second spring (602) in square groove, the bottom surface fixed connection supporting shoe (603) of sliding block (601).
7. The fastener lateral vibration testing machine of claim 1, wherein: and a third spring (418) is fixedly connected between one side of the sliding block (402) and the side wall of the first sliding chute.
8. The fastener lateral vibration testing machine of claim 1, wherein: the first connecting seat (310) and the second connecting seat (404) are both arc-shaped, and the first connecting seat (310) is matched with the second connecting seat (404).
9. The fastener lateral vibration testing machine of claim 1, wherein: two storage cabinets (7) are arranged below the rotating ring (2) of the workbench (1).
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| CN104655379A (en) * | 2015-03-13 | 2015-05-27 | 武汉理工大学 | Device for testing anti-loosening property of threaded fastener |
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