CN211121908U

CN211121908U - Ripple spring detection device

Info

Publication number: CN211121908U
Application number: CN201921793438.4U
Authority: CN
Inventors: 严元齐; 项勇; 何洋
Original assignee: Chengdu Chenhui Spring Manufacturing Co ltd
Current assignee: Chengdu Chenhui Spring Manufacturing Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-28
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to a ripple spring detection device belongs to spring test equipment field, comprises a workbench, the fixed columniform fixed disk that is provided with on the workstation, the radial slip along the fixed disk on the workstation is provided with the butt piece, the butt piece evenly sets up a plurality ofly along the circumference of fixed disk, be provided with on the workstation and be used for driving the radial sliding's of butt piece along the fixed disk drive assembly. During the experiment, establish corrugated spring cover in the periphery of fixed disk, then through the direction motion of drive assembly drive butt piece to being close to the fixed disk, butt piece and corrugated spring butt and extrusion corrugated spring realize testing corrugated spring deformation performance's purpose, convenient operation.

Description

Ripple spring detection device

Technical Field

The utility model relates to a spring test equipment field, in particular to ripple spring detection device.

Background

At present, after the spring is manufactured, various performances of the spring, such as a load test, a permanent deformation test and a fatigue life test at a specified height, need to be detected, and special performances need to be detected according to requirements of customers sometimes.

The wave spring, also called as a ripple spring, is an elastic element with a plurality of peaks and valleys on a metal thin circular ring. The method is generally applied to occasions that the load and the deformation are not large, the spring stiffness is required to be small, and the axial pre-pressure is required to be applied. The wave spring is particularly suitable for applications requiring weight reduction and applications limited by small installation space. Are commonly used on gas turbines.

Spring testing machines on the market at present mainly fall into three categories, namely a spring tension and compression testing machine, a spring torsion testing machine and a spring fatigue testing machine. These testers typically test a linear coil type spring, with the direction of motion of the test also being linear or rotating about the center line of the spring. But these devices are difficult to detect for a ripple spring.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ripple spring detection device has the advantage of being convenient for detect ripple spring deformation performance.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a ripple spring detection device, includes the workstation, the fixed columniform fixed disk that is provided with on the workstation, the radial slip along the fixed disk is provided with the butt piece on the workstation, the butt piece evenly sets up a plurality ofly along the circumference of fixed disk, be provided with on the workstation and be used for driving the radial gliding drive assembly of butt piece along the fixed disk.

Implement above-mentioned technical scheme, during the experiment, establish corrugated spring cover in the periphery of fixed disk, then drive the butt piece through drive assembly to the direction motion of being close to the fixed disk, butt piece and corrugated spring butt and extrusion corrugated spring realize the purpose of test corrugated spring deformation performance, convenient operation.

The utility model discloses further set up to: the drive assembly includes screw rod and runner, the fixed plate that is provided with on the workstation, the screw rod screw thread is worn to locate in the fixed plate, the screw rod is on a parallel with the radial setting of fixed disk, the runner is fixed to be set up in the one end that the fixed disk was kept away from to the screw rod.

Implement above-mentioned technical scheme, during the experiment, rotate the runner, drive the screw rod motion, the screw rod promotes the butt joint piece to the direction motion of being close to the fixed disk, realizes the purpose of extrusion ripple spring, and easy operation is convenient.

The utility model discloses further set up to: the worktable is provided with guide rails along the radial direction of the fixed disc in a fixed mode, the guide rails are provided with sliding plates in a sliding mode, and the abutting blocks are arranged on the sliding plates.

Implement above-mentioned technical scheme, guide rail and slide cooperation for the slide motion is more smooth and easy, and the guide rail plays the effect to the slide direction simultaneously.

The utility model discloses further set up to: the butt piece is the arc piece with fixed disk looks adaptation, vertical fixed being provided with the pivot on the slide, the butt piece rotates and sets up in the pivot, be provided with the spacing subassembly that is used for injecing the butt piece position on the slide.

By implementing the technical scheme, the arc-shaped blocks are matched with the fixed disc and the corrugated spring, so that the corrugated spring is more uniformly stressed and distributed, and the test effect is improved; before the experiment, the accessible rotates the arc piece to adjust arc piece position, after the angle modulation, the spacing subassembly of rethread is injectd the position of butt joint piece can, the distance to ripple spring equals in order to guarantee the both ends of butt joint piece, improves ripple spring's detection effect.

The utility model discloses further set up to: spacing subassembly includes fixed block and spacing bolt, every all set up two sets of spacing subassemblies on the butt piece, and two sets of spacing subassemblies along pivot symmetric distribution on the slide, the fixed block is fixed to be set up on the slide, set up the spacing hole that runs through to the butt piece on the fixed block, spacing bolt threaded connection is downthehole in spacing.

Implement above-mentioned technical scheme, treat that butt piece position adjustment is good the back, keep butt piece position motionless, rotate spacing bolt to make the spacing bolt of both sides just with butt piece butt can, realize injecing the purpose of butt piece position, with the distance of guaranteeing the both ends of butt piece to ripple spring equals, improve experimental accuracy.

The utility model discloses further set up to: still include force cell sensor, force cell sensor's the fixed installation pipe that is provided with in one end, the fixed installation piece that is provided with on the slide, the perforation has been seted up to the installation piece, the screw rod passes the perforation and connects with the installation pipe ball, force cell sensor other end is fixed to be provided with and is used for the drive block of contradicting with the butt piece.

According to the technical scheme, during testing, the force measuring sensor can be driven to move towards the direction close to or away from the fixed disc through rotation of the screw rod, and the operation is simple and convenient.

The utility model discloses further set up to: the side wall of the abutting block close to the driving block is provided with a protruding part close to the driving block.

By implementing the technical scheme, during testing, the driving block is contacted with the protruding part, so that the stress point of the abutting block is in the middle position of the abutting block, and the testing accuracy is improved; meanwhile, the distance from the abutting block to the driving block is increased due to the arrangement of the protruding portion, the position of the abutting block is convenient to adjust, and the adjusting precision is improved.

The utility model discloses further set up to: the outer side wall of the fixed disk is fixedly provided with a placing table, the top wall of the placing table is lower than that of the fixed disk, and the bottom wall of the abutting block is not lower than that of the placing table.

Implement above-mentioned technical scheme, during the experiment, place ripple spring place the bench can, be convenient for ripple spring's experiment.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

during testing, the corrugated spring is sleeved on the periphery of the fixed disc, then the driving assembly drives the abutting block to move towards the direction close to the fixed disc, the abutting block abuts against the corrugated spring and extrudes the corrugated spring, the purpose of testing the deformation performance of the corrugated spring is achieved, and the operation is convenient;

the arc-shaped blocks are matched with the fixed disc and the corrugated spring, so that the stress distribution of the corrugated spring is more uniform, and the test effect is improved; before the test, the arc-shaped block can be rotated to adjust the position of the arc-shaped block, and after the angle is adjusted, the position of the abutting block is limited by the limiting assembly, so that the distances from the two ends of the abutting block to the corrugated spring are equal, and the detection effect of the corrugated spring is improved;

during testing, the driving block is in contact with the protruding part, so that the stress point of the abutting block is in the middle position of the abutting block, and the testing accuracy is improved; meanwhile, the distance from the abutting block to the driving block is increased due to the arrangement of the protruding portion, the position of the abutting block is convenient to adjust, and the adjusting precision is improved.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram of a part of the structure of the present invention.

Reference numerals: 1. a work table; 11. fixing the disc; 111. a placing table; 12. a fixing plate; 13. a guide rail; 2. a butting block; 21. a rotating shaft; 22. a protrusion; 31. a screw; 32. a rotating wheel; 4. a slide plate; 41. mounting blocks; 411. perforating; 42. a slider; 421. a chute; 51. a fixed block; 511. a limiting hole; 52. a limit bolt; 6. a force sensor; 61. installing a pipe; 62. a drive block; 7. and a displacement sensor.

Detailed Description

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

As shown in fig. 1 and 2, the ripple spring detection device comprises a workbench 1 and a load cell 6, wherein a cylindrical fixed disc 11 is fixedly arranged on the workbench 1. The abutting block 2 is arranged on the workbench 1 in a sliding manner along the radial direction of the fixed disk 11, the abutting block 2 is an arc-shaped block matched with the fixed disk 11, and the arc-shaped block is matched with the fixed disk 11 and the corrugated spring, so that the corrugated spring is more uniformly stressed and distributed, and the testing effect is improved; the evenly sets up a plurality ofly along the circumference of fixed disk 11 for butt piece 2, and butt piece 2 sets up four in this embodiment.

As shown in fig. 1 and 2, a driving assembly for driving the abutting block 2 to slide along the radial direction of the fixed disk 11 is arranged on the working table 1, and the driving assembly comprises a screw 31 and a rotating wheel 32. The fixed plate 12 is fixedly arranged on the workbench 1, the screw 31 is threaded through the fixed plate 12, the screw 31 is parallel to the radial direction of the fixed plate 11, and the rotating wheel 32 is fixedly arranged at one end of the screw 31 far away from the fixed plate 11.

During the test, rotating runner 32 drives screw rod 31 to move, and screw rod 31 promotes to support piece 2 and moves to the direction that is close to fixed disk 11, realizes the purpose of extrusion ripple spring, and easy operation is convenient.

As shown in fig. 1 and 2, a guide rail 13 is fixedly arranged on the workbench 1 along the radial direction of the fixed disk 11, the guide rail 13 is a sliding rod, a sliding plate 4 is slidably arranged on the guide rail 13, a sliding block 42 is fixedly arranged on the bottom wall of the sliding plate 4, a sliding groove 421 matched with the sliding rod is formed in the bottom wall of the sliding block 42, and the abutting block 2 is arranged on the sliding plate 4. The sliding plate 4 is vertically and fixedly provided with a rotating shaft 21, and the abutting block 2 is rotatably sleeved on the rotating shaft 21.

As shown in fig. 3, the sliding plate 4 is provided with a limiting assembly for limiting the position of the abutting block 2, and the limiting assembly comprises a fixing block 51 and a limiting bolt 52. All set up two sets of spacing subassemblies on every butt joint piece 2, and two sets of spacing subassemblies along pivot 21 symmetric distribution on slide 4, fixed block 51 is fixed to be set up on slide 4, sets up the spacing hole 511 that runs through to butt joint piece 2 on the fixed block 51, and spacing bolt 52 threaded connection is in spacing hole 511.

Before the experiment, the accessible rotates the arc piece to adjust arc piece position, after angle modulation, the spacing subassembly of rethread is injectd the position of butt joint piece 2 can, the distance to ripple spring equals in order to guarantee the both ends of butt joint piece 2, improves ripple spring's detection effect. Treat that butt piece 2 position adjustment is good the back, keep butt piece 2 positions motionless, rotate limit bolt 52 to make the limit bolt 52 of both sides just with butt piece 2 butt can, realize injecing the purpose of butt piece 2 positions, with the distance of guaranteeing butt piece 2's both ends to ripple spring equals, improve experimental accuracy.

As shown in fig. 1 and 2, a mounting tube 61 is fixedly disposed at one end of the load cell 6, a mounting block 41 is fixedly disposed on the sliding plate 4, a through hole 411 is formed in the mounting block 41, the screw 31 passes through the through hole 411 to be ball-jointed with the mounting tube 61, and a driving block 62 for abutting against the abutting block 2 is fixedly disposed at the other end of the load cell 6.

As shown in fig. 1 and 2, the side wall of the abutment block 2 close to the driving block 62 is provided with a projection 22 close to the driving block 62, and the projection 22 has an arc-shaped configuration. During testing, the driving block 62 is in contact with the protruding part 22, so that the stress point of the abutting block 2 is in the middle position of the abutting block 2, and the testing accuracy is improved; meanwhile, the distance from the abutting block 2 to the driving block 62 is increased due to the arrangement of the protruding part 22, so that the position of the abutting block 2 is convenient to adjust, and the adjustment precision is improved.

As shown in fig. 1 and 2, a placing table 111 is fixedly arranged on the outer side wall of the fixed disk 11, the top wall of the placing table 111 is lower than the top wall of the fixed disk 11, and the bottom wall of the abutting block 2 is not lower than the top wall of the placing table 111. During the experiment, place ripple spring place on placing platform 111 can, be convenient for ripple spring's experiment.

In addition, as shown in fig. 1 and 2, displacement sensors 7 are fixedly mounted on the fixed disk 11, each abutting block 2 corresponds to one displacement sensor 7, and the detecting rod of the displacement sensor 7 abuts against the side wall of the abutting block 2 close to the fixed disk 11. A display (not shown) is also provided, and the load cell 6 is electrically connected to the display for displaying the value measured by the load cell 6.

The specific working process is as follows: during testing, the corrugated spring is sleeved on the periphery of the fixed disk 11, the rotating wheel 32 is rotated to drive the screw rod 31 to move, the screw rod 31 pushes the abutting block 2 to move towards the direction close to the fixed disk 11, and the abutting block 2 abuts against the corrugated spring and extrudes the corrugated spring; the displacement sensor measures the deformation of the wave spring, and the force sensor 6 measures the magnitude of the output force, so that the purpose of testing the deformation performance of the wave spring can be achieved, and the operation is convenient.

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

Claims

1. A ripple spring detection device which characterized in that: including workstation (1), the fixed columniform fixed disk (11) that is provided with on workstation (1), the radial slip of going up along fixed disk (11) on workstation (1) is provided with butt block (2), butt block (2) evenly set up a plurality ofly along the circumference of fixed disk (11), be provided with on workstation (1) and be used for driving butt block (2) along the radial gliding drive assembly of fixed disk (11).

2. A wave spring detection device according to claim 1, characterized in that: drive assembly includes screw rod (31) and runner (32), the fixed plate (12) that is provided with on workstation (1), screw rod (31) screw thread is worn to locate in fixed plate (12), screw rod (31) are on a parallel with the radial setting of fixed disk (11), runner (32) are fixed to be set up in screw rod (31) and keep away from the one end of fixed disk (11).

3. A wave spring detection device according to claim 2, characterized in that: the fixed radial of following fixed disk (11) on workstation (1) is provided with guide rail (13), it is provided with slide (4) to slide on guide rail (13), butt joint piece (2) set up on slide (4).

4. A wave spring detection device according to claim 3, characterized in that: butt joint piece (2) be with the arc piece of fixed disk (11) looks adaptation, vertical fixed being provided with pivot (21) on slide (4), butt joint piece (2) rotate to set up on pivot (21), be provided with the spacing subassembly that is used for injecing butt joint piece (2) position on slide (4).

5. The wave spring detection device according to claim 4, wherein: spacing subassembly includes fixed block (51) and spacing bolt (52), every all set up two sets of spacing subassemblies on butt piece (2), and two sets of spacing subassemblies along pivot (21) symmetric distribution on slide (4), fixed block (51) are fixed to be set up on slide (4), set up spacing hole (511) that run through to butt piece (2) on fixed block (51), spacing bolt (52) threaded connection is in spacing hole (511).

6. The wave spring detection device according to claim 5, wherein: still include force cell sensor (6), the fixed installation pipe (61) that is provided with of one end of force cell sensor (6), fixed installation piece (41) that is provided with on slide (4), perforation (411) have been seted up in installation piece (41), screw rod (31) are passed perforation (411) and are installed pipe (61) ball joint, force cell sensor (6) other end is fixed to be provided with and is used for driving block (62) of contradicting with butt piece (2).

7. The wave spring detection device according to claim 4, wherein: the side wall of the abutting block (2) close to the driving block (62) is provided with a protruding part (22) close to the driving block (62).

8. A wave spring detection device according to claim 1, characterized in that: the outer side wall of the fixed disc (11) is fixedly provided with a placing table (111), the top wall of the placing table (111) is lower than that of the fixed disc (11), and the bottom wall of the abutting block (2) is not lower than that of the placing table (111).