CN213842485U

CN213842485U - Torsional spring stress testing device

Info

Publication number: CN213842485U
Application number: CN202023227970.5U
Authority: CN
Inventors: 闫智; 翟俊玮; 王涛
Original assignee: Tianjin Egtree Electromechanical Equipment Co ltd
Current assignee: Tianjin Egtree Electromechanical Equipment Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-07-30
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a torsional spring stress test device, including base mounting panel and fixed plate, be provided with torsional spring placement machine on the base mounting panel and construct, torsional spring placement machine constructs and is connected with the dwang, the dwang run through in the fixed plate, be provided with on the fixed plate and connect the extension board, it is connected with the backup pad to connect the extension board, be provided with torsional spring slewing mechanism in the backup pad, torsional spring slewing mechanism is connected with stress test mechanism. The beneficial effects of the utility model are that through with dwang and the split type setting of stress test device, be convenient for carry out the dismouting, can save space at the removal in-process, be convenient for carry on the part simultaneously and change, conveniently carry, application scope is wide to this device fixed plate and base mounting panel mountable are in multiple occasion, thereby carry out different performance test to the torsional spring, and application scope is wider than, and the practicality is strong.

Description

Torsional spring stress testing device

Technical Field

The utility model relates to a testing arrangement technical field, especially a torsional spring stress test device.

Background

The torsion spring, that is, the torsion spring, the end of which is fixed to other components, when the other components rotate around the spring center, the spring pulls them back to the initial position, generating torque or rotational force, the torsion spring is one of all the spring categories, the design principle is complicated, the change of the type is very active, so the theory involved in the design is the most complicated, for the torsion spring, the most important is the fatigue stress of the torsion spring, in the prior art, the stress testing device of the torsion spring has a complicated structure, the application range is narrow, and it is not convenient to disassemble and assemble.

Through retrieval, chinese patent with application number 201922362423.9, entitled torsion spring rigidity measuring device, discloses a torsion spring stress testing device, which tests a torsion spring by being provided with a base, a loading mechanism, a bearing mechanism and a strain gauge, a tested torsion spring sleeve is sleeved on a mandrel of the bearing mechanism, a first supporting antenna of the torsion spring is fixed on a turntable and used for measuring the torque of the torsion spring, the device can test the torsion spring torque, but the device is not convenient to disassemble and assemble and has a narrow application range.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, a torsional spring stress test device has been designed, including base mounting panel and fixed plate, be provided with torsional spring placement machine on the base mounting panel and construct, torsional spring placement machine constructs and is connected with the dwang, the dwang run through in the fixed plate, be provided with the connection extension board on the fixed plate, it is connected with the backup pad to connect the extension board, be provided with torsional spring slewing mechanism in the backup pad, torsional spring slewing mechanism is connected with stress test mechanism.

The torsion spring placing mechanism comprises a base, and an installation shaft is arranged on the base.

Stress test mechanism is including rotating branch, rotate branch with the dwang links to each other, be provided with fixed plate A on the rotation branch, fixed plate A is connected with stress transducer, the stress transducer top is provided with fixed plate B, stress transducer side is provided with the cable interface, rotate branch with fixed plate A links to each other.

The torsional spring slewing mechanism comprises a mounting plate and a rotating connecting rod, the mounting plate is connected with the supporting plate, the rotating connecting rod is connected with the fixed plate B, a rotating block is embedded on the rotating connecting rod, the mounting plate is connected with a bearing seat, a connecting piece is inserted on the rotating block, and the rotating connecting rod penetrates through the bearing seat and the mounting plate.

The dwang top is provided with semicircular boss A, be provided with the connecting hole on the boss A, the dwang bottom is provided with boss B, be provided with the installation shaft hole on the boss B, installation shaft hole periphery is provided with the protection shield.

An arc-shaped boss is arranged on the base.

The rotating connecting rod is provided with a groove, the rotating block is embedded in the groove, the middle of the groove is provided with a fixing hole, the fixing hole is connected with the connecting piece, the rotating connecting rod is provided with an annular groove, and an elastic gasket is clamped inside the annular groove.

The mounting plate is provided with a tapered groove, the middle part of the mounting plate is provided with a through hole, and the rotating connecting rod is inserted in the through hole.

The rotating block is provided with a mounting hole, and the rotating block is sleeved on the connecting piece through the mounting hole.

The base mounting plate is arranged on the base, and the top of the base mounting plate is connected with the fixing plate.

Utilize the technical scheme of the utility model a torsional spring stress test device of preparation, the beneficial effect who reaches: this device simple structure, reasonable in design, high durability and convenient use, can carry out the accurate test to the stress of torsional spring, through with dwang and the split type setting of stress test device, be convenient for carry out the dismouting, can save space at the removal in-process, be convenient for carry on the part change simultaneously, conveniently carry, it rotates to drive the dwang through rotating the turning block, thereby go on the tip of torsional spring, and carry out stress detection to turning block turning moment through stress transducer, the accuracy is high, and detect data accessible cable interface and transmit, the staff of being convenient for carries out analysis and use, fixed plate and base mounting panel mountable are in multiple different environment simultaneously, but both horizontal installation, also vertical installation, application scope is wide, high durability and convenient installation.

Drawings

FIG. 1 is an overall view of the present invention;

fig. 2 is a structure diagram of a rotating rod of the present invention;

FIG. 3 is a view of the mounting plate structure of the present invention;

FIG. 4 is a diagram of the base structure of the present invention;

FIG. 5 is a structural view of the rotating connecting rod of the present invention;

FIG. 6 is a block diagram of the present invention;

fig. 7 is a partial cross-sectional view of the present invention;

fig. 8 is a schematic structural view of the present invention;

fig. 9 is an enlarged view of the point a of the present invention;

fig. 10 is an isometric view of a swivelling lever according to the present invention.

In the figure, 1, a base mounting plate; 2. a torsion spring placement mechanism; 3. a stress testing mechanism; 4. rotating the rod; 5. a fixing plate; 6. a torsion spring rotating mechanism; 7. connecting the support plate; 8. a support plate; 9. an elastic pad; 10. a temperature control box; 21. a base; 22. installing a shaft; 211. a boss; 31. rotating the supporting rod; 32. a stress sensor; 33. fixing a plate A; 34. a fixing plate B; 35. a cable interface; 41. a boss A; 42. connecting holes; 43. a boss B; 44. a protection plate; 45. installing the shaft hole; 61. a bearing seat; 62. rotating the block; 621. mounting holes; 63. rotating the connecting rod; 631. a groove; 632. an annular groove; 633. a fixing hole; 64. a connecting member; 65. mounting a plate; 651. a tapered groove; 652. and a through hole.

Detailed Description

For a better understanding of the present invention, the following further description is given in conjunction with the following embodiments and accompanying drawings.

Example 1

As shown in figures 1 and 9, the torsion spring stress testing device comprises a base mounting plate 1 and a fixing plate 5, wherein the base mounting plate 1 and the fixing plate 5 are provided with threaded holes, the device can be installed in different application environments through the base mounting plate 1 and the fixing plate 5, different tests are carried out on the torsion spring, a torsion spring placing mechanism 2 is arranged on a base mounting plate 1, the torsion spring can be fixed by arranging the torsion spring placing mechanism 2, the torsion spring placing mechanism 2 is connected with a rotating rod 4, the rotating rod 4 penetrates through a fixed plate 5, a connecting support plate 7 is arranged on the fixed plate 5, the connecting support plate 7 is connected with a support plate 8, a torsion spring rotating mechanism 6 is arranged on the support plate 8, the torsion spring is rotated by arranging the torsion spring rotating mechanism 6, the torsion spring rotating mechanism 6 is connected with a stress testing mechanism 3, and the stress of the torsion spring can be accurately read through the stress testing mechanism 3.

Example 2

As shown in fig. 8, other features are not changed, and different from embodiment 1, a temperature control box 10 is arranged between a base mounting plate 1 and a fixing plate 5, a rotating rod 4 penetrates through the temperature control box 10, a base 21 is arranged inside the temperature control box 10, the bottom of the temperature control box 10 is connected with the base mounting plate 1, the top of the temperature control box 10 is connected with the fixing plate 5, the performance of the torsion spring can be tested at different temperatures, and the accurate test of the performance of the torsion spring is realized.

As shown in fig. 4, the torsion spring placing mechanism 2 includes a base 21, and a mounting shaft 22 is provided on the base 21. The base 21 is provided with an arc-shaped boss 211. Can fix torsional spring one end tip through being provided with boss 211, when testing the torsional spring, establish the torsional spring cover on installation axle 22, the one end tip and the boss 211 laminating of torsional spring are fixed, and the torsional spring other end rotates under dwang 4's drive, carries out stress test.

The stress testing mechanism 3 comprises a rotating support rod 31, a semicircular lug boss is arranged at the bottom of the rotating support rod 31, the diameter of the rotary rod 4 is the same as that of the boss A41, and the rotary rod 4 and the boss A41 can be assembled into a complete circle, the rotary support rod 31 is connected with the rotary rod 4, the rotary support rod 31 is provided with a fixed plate A33, the position of the stress sensor 32 can be fixed by arranging the fixing plate A33, the stress sensor 32 is connected with the fixing plate A33, the stress applied to the torsion spring is accurately read by the stress sensor 32, and can transmit the read data to the external electronic device, the top of the stress sensor 32 is provided with a fixed plate B34, the side of the stress sensor 32 is provided with a cable interface 35, the rotating support rod 31 penetrates through the fixed plate A33, the result read by the stress sensor 32 is transmitted to the external electronic device through the cable interface 35, so that the performance parameters of the torsion spring can be analyzed conveniently.

The torsion spring rotating mechanism 6 comprises a mounting plate 65 and a rotating connecting rod 63, the mounting plate 65 is connected with the supporting plate 8, the rotating connecting rod 63 is connected with a fixing plate B34, a rotating block 62 is embedded on the rotating connecting rod 63, the mounting plate 65 is connected with a bearing seat 61, the rotating connecting rod 63 can rotate conveniently by arranging the bearing seat 61, a connecting piece 64 is inserted on the rotating block 62, the connecting piece 64 is a bolt, and the rotating connecting rod 63 penetrates through the bearing seat 61 and the mounting plate 65. The mounting plate 65 is provided with a tapered groove 651, and the rotation angle of the mounting plate is limited by the tapered groove 651 along with the rotation angle of the rotating block 62, so that the rotation angle of the end of the torsion spring can be limited, and the mounting plate 65 is provided with a through hole 652 at the middle part thereof, and the rotating connecting rod 63 is inserted into the through hole 652. When the torsion spring is tested, the rotating block 62 is rotated, and the rotating block 62 rotates in the tapered slot 651, so as to drive the rotating connecting rod 63 to rotate.

As shown in fig. 2 and 10, a semicircular boss a41 is disposed at the top of the rotating rod 4, a connecting hole 42 is disposed on a boss a41, the rotating rod 4 and the rotating support rod 31 can be connected by the connecting hole 42, a boss B43 is disposed at the bottom of the rotating rod 4, the boss B43 is in an annular step shape, a boss B43 is connected with the boss 21, a gap is reserved between the lowest end of the boss B34 and the upper surface of the base 21, friction force in the rotating process of the rotating rod 4 can be reduced, an installation shaft hole 45 is disposed on the boss B43, a cylinder is disposed inside the installation shaft hole 45, the bottom surface of the cylinder is attached to the upper surface of the installation shaft 22, a protection plate 44 is disposed on the periphery of the installation shaft hole 45, the installation shaft 22 can be more firmly installed by the protection plate 44, and deviation can not occur in the rotating process of the torsion spring.

As shown in fig. 5 and 7, a groove 631 is formed in the rotation connecting rod 63, the rotation block 62 is embedded in the groove 631, a fixing hole 632 is formed in the middle of the groove 631, the fixing hole 632 is connected to the connecting member 64, the rotation block 62 can drive the rotation connecting rod to rotate by being provided with the groove 631 and the fixing hole 632, an annular groove 633 is formed in the rotation connecting rod 63, an elastic gasket 9 is clamped inside the annular groove 633, the elastic gasket 9 is arranged inside the bearing seat 61, the distance between the elastic gasket 9 and the top of the bearing seat 61 is greater than the length of the mounting shaft 22 fixed in the mounting shaft hole 45, and the descending and the height of the rotation connecting rod 63 can be limited by the elastic gasket 9.

As shown in fig. 6, the rotating block 62 is provided with a mounting hole 621, the rotating block 62 is sleeved on the connecting member 64 through the mounting hole 621, and the rotating block 62 is connected with the rotating connecting rod 63 through the mounting hole 621, so as to be convenient for rotation.

The working process is as follows: firstly, the rotating block 62 is lifted, the mounting shaft 22 is drawn out from the mounting shaft hole 45, the torsion spring is placed on the mounting shaft 22, one end of the torsion spring is fixedly attached to the boss 211, the other end of the torsion spring is attached to the boss B34, the mounting shaft 22 is sleeved in the mounting shaft hole 45 and moves downwards, the bottom surface of the inner cylinder of the mounting shaft hole 45 is attached to the upper surface of the mounting shaft 22, after the torsion spring is placed, the rotating block 62 is rotated manually, the rotating block 62 drives the rotating connecting rod 63 to rotate, the rotating connecting rod 63 drives the fixed plate B34, the fixed plate A33, the stress sensor 32 and the rotating support rod 31 to rotate, the rotating support rod 31 drives the rotating rod 4 to rotate, so that the boss B34 rotates the end of the torsion spring, when the rotating rod 4 rotates, the stress sensor 32 detects the rotating torque of the rotating rod 4, and the stress sensor 32 converts the physical change of the torque into an accurate electric signal for transmission, the stress sensor 32 reads the torsion spring stress test result, and the result can be transmitted to the external electronic device through the cable interface 35.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The utility model provides a torsional spring stress test device, includes base mounting panel (1) and fixed plate (5), its characterized in that, be provided with torsional spring placement machine structure (2) on base mounting panel (1), torsional spring placement machine structure (2) are connected with dwang (4), dwang (4) run through in fixed plate (5), be provided with on fixed plate (5) and connect extension board (7), it is connected with backup pad (8) to connect extension board (7), be provided with on backup pad (8) and be used for carrying out rotatory torsional spring slewing mechanism (6) with the torsional spring, torsional spring slewing mechanism (6) are connected with and carry out stress test mechanism (3) of stress test to the torsional spring.

2. Torsion spring stress testing device according to claim 1, wherein the torsion spring placing mechanism (2) comprises a base (21), and the base (21) is provided with a mounting shaft (22) for sleeving the torsion spring.

3. Torsion spring stress testing device according to claim 1, wherein the stress testing mechanism (3) comprises a rotating rod (31), the rotating rod (31) is connected with the rotating rod (4), a fixing plate A (33) is arranged on the rotating rod (31), the fixing plate A (33) is connected with a stress sensor (32), a fixing plate B (34) is arranged at the top of the stress sensor (32), a cable interface (35) is arranged on the side of the stress sensor (32), and the rotating rod (31) is connected with the fixing plate A (33).

4. The torsion spring stress testing device according to claim 1, wherein the torsion spring rotating mechanism (6) comprises a mounting plate (65) and a rotating connecting rod (63), the mounting plate (65) is connected with the supporting plate (8), the rotating connecting rod (63) is connected with the fixing plate B (34), a rotating block (62) is embedded on the rotating connecting rod (63), the mounting plate (65) is connected with a bearing seat (61), a connecting piece (64) is inserted on the rotating block (62), and the rotating connecting rod (63) penetrates through the bearing seat (61) and the mounting plate (65).

5. The torsion spring stress testing device according to claim 1, wherein the top of the rotating rod (4) is provided with a semicircular boss A (41), the boss A (41) is provided with a connecting hole (42), the bottom of the rotating rod (4) is provided with a boss B (43), the boss B (43) is provided with a mounting shaft hole (45), and the periphery of the mounting shaft hole (45) is provided with a protection plate (44).

6. Torsion spring stress testing device according to claim 2, wherein the base (21) is provided with an arc-shaped boss (211).

7. The torsion spring stress testing device according to claim 4, wherein the rotating connecting rod (63) is provided with a groove (631), the rotating block (62) is embedded in the groove (631), a fixing hole (632) is formed in the middle of the groove (631), the fixing hole (632) is connected with the connecting piece (64), the rotating connecting rod (63) is provided with an annular groove (633), and the elastic gasket (9) is clamped in the annular groove (633).

8. Torsion spring stress testing device according to claim 4, wherein the mounting plate (65) is provided with a tapered groove (651), the middle of the mounting plate (65) is provided with a through hole (652), and the rotating connecting rod (63) is inserted in the through hole (652).

9. A torsion spring stress testing device according to claim 4, wherein the rotating block (62) is provided with a mounting hole (621), and the rotating block (62) is sleeved on the connecting piece (64) through the mounting hole (621).

10. The torsion spring stress testing device according to claim 2, further comprising a temperature control box (10), wherein the top of the temperature control box (10) is connected with the fixing plate (5), the bottom of the temperature control box (10) is connected with the base mounting plate (1), and the base (21) is embedded at the bottom of the temperature control box (10).