CN218956045U

CN218956045U - Automobile leaf spring tensile test detection device

Info

Publication number: CN218956045U
Application number: CN202223344975.5U
Authority: CN
Inventors: 冉银; 朱春江; 沈平勇
Original assignee: Chongqing Hongqi Spring Co ltd
Current assignee: Chongqing Hongqi Spring Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-02
Anticipated expiration: 2032-12-13

Abstract

The utility model relates to the field of spring tensile test detection devices and discloses an automobile leaf spring tensile test detection device which comprises a hydraulic cylinder, wherein a pressing plate is fixedly connected to the bottom end of a telescopic part of the hydraulic cylinder, support columns are slidably connected to four corners of the pressing plate, fixing plates are connected to the top ends of the support columns in a threaded mode, a supporting plate is fixedly connected to the outer wall of the bottom of the support column, and a bidirectional threaded rod is rotatably connected to the inner wall of the middle of the top end of the supporting plate. According to the utility model, the two clamping plates are driven to reversely move through the bidirectional threaded rod, the test springs are clamped back and forth, and then the hydraulic cylinder drives the pressing plate to carry out tensile detection, so that the test springs are balanced in stress and higher in detection accuracy, the safety of testers is comprehensively protected through the protective cover, the broken test springs can be collected by the drawer, and the protective cover, the hydraulic cylinder and the pressing plate can be separated from the bottom by taking down the fixing plate during maintenance, so that the maintenance is convenient.

Description

Automobile leaf spring tensile test detection device

Technical Field

The utility model relates to the field of spring tensile test detection devices, in particular to an automobile leaf spring tensile test detection device.

Background

The automobile leaf spring is one of the most widely used elastic elements in automobile suspension, and is one elastic beam with similar strength and formed by combining several alloy spring pieces of equal width and different lengths (with equal thickness or unequal thickness). After the installation, the two ends naturally bend upwards. When the impact force of the road surface to the wheels is transmitted, the steel plate deforms, so that the effects of buffering and damping are achieved, and the longitudinal arrangement also has the effect of guiding the impact force.

In the manufacturing process of automobile leaf springs, the leaf springs need to be stretched and detected, at present, the leaf springs are directly pressed through hydraulic cylinders in a stretching and detecting mode, the leaf springs are easy to move in the detecting mode, the leaf springs are uneven in stress, the leaf springs with different quality are detected, breakage and ejection are easy to occur, at present, most detecting devices are only provided with baffles on two sides, and the safety coefficient is insufficient.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a detection device for an automobile leaf spring tensile test.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an automobile leaf spring tensile test detection device, includes the pneumatic cylinder, the equal sliding connection in telescopic portion bottom fixedly connected with clamp plate of pneumatic cylinder, the equal sliding connection in four corners department of clamp plate has the support column, the equal threaded connection in top of support column has the fixed disk, the bottom outer wall fixedly connected with backup pad of support column, the top middle part inner wall rotation of backup pad is connected with two-way threaded rod, the front end and the fixedly connected with carousel of backup pad are run through to two-way threaded rod's front end, the equal threaded connection in front and back portion outer wall of two-way threaded rod has the splint, the bottom left and right sides of splint all rotates and is connected with the gyro wheel, the bottom fixedly connected with base of support column, the inner wall sliding connection of base has the drawer, be provided with the protection casing all around the top of base, both ends inner wall all is provided with crashproof pad about the protection casing, the front end both sides of protection casing all rotate and are connected with the guard gate.

As a further description of the above technical solution:

the top end of the fixed disk is in threaded connection with the top end inner wall of the protective cover.

As a further description of the above technical solution:

the front end of the turntable is fixedly connected with a handle.

As a further description of the above technical solution:

sliding grooves are formed in the left side and the right side of the top end of the supporting plate, corresponding to the positions of the rollers.

As a further description of the above technical solution:

the outer wall of pneumatic cylinder fixed connection is at the upper wall of protection casing.

As a further description of the above technical solution:

the front end of the protective door is provided with a bolt.

As a further description of the above technical solution:

the front end of the drawer is provided with a pull buckle.

As a further description of the above technical solution:

and a test spring is arranged at one end of the inner side of the clamping plate.

The utility model has the following beneficial effects:

1. according to the utility model, the test spring is firstly placed on the supporting plate, the two clamping plates are driven to move reversely through the bidirectional threaded rod, the test spring is clamped back and forth so as not to deviate back and forth, and then the pressing plate is driven by the hydraulic cylinder to press the test spring for detection, so that the test spring is balanced in stress, not easy to move and higher in detection accuracy.

2. According to the utility model, the safety of the tester is protected through the protective cover in all directions, the broken test spring is buffered by the anti-collision pad and then falls into the drawer at the bottom for collection, hands do not need to extend into the drawer for cleaning, the workload of workers is reduced, the nuts at the bottom end of the fixed disc are loosened first during maintenance, and then the fixed disc is rotated to take down, so that the protective cover, the hydraulic cylinder and the pressing plate can be separated from the bottom, and the maintenance is convenient.

Drawings

FIG. 1 is a front perspective view of an automobile leaf spring tensile test detection device according to the present utility model;

FIG. 2 is a schematic diagram of the internal structure of a protective cover of the automobile leaf spring tensile test detection device;

FIG. 3 is a schematic diagram of a pressure test structure of an automobile leaf spring tensile test detection device according to the present utility model;

fig. 4 is a schematic diagram of a clamping plate structure of a device for detecting tensile test of an automobile leaf spring according to the present utility model.

Legend description:

1. a hydraulic cylinder; 2. a protective cover; 3. a plug pin; 4. a base; 5. a drawer; 6. a protective door; 7. a support column; 8. a pressing plate; 9. a support plate; 10. a crash pad; 11. a fixed plate; 12. testing a spring; 13. a chute; 14. a clamping plate; 15. a turntable; 16. a handle; 17. pulling buckle; 18. a two-way threaded rod; 19. and a roller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides an automobile leaf spring tensile test detection device, including pneumatic cylinder 1, carry out tensile test to test spring 12, the telescopic part bottom fixedly connected with clamp plate 8 of pneumatic cylinder 1, clamp plate 8 makes balanced pressure, equal sliding connection in four corners department of clamp plate 8 has support column 7, play and support detection device effect, the equal threaded connection in top of support column 7 has fixed disk 11, conveniently dismantle clamp plate 8, the maintenance of being convenient for, the bottom outer wall fixedly connected with backup pad 9 of support column 7, backup pad 9 mainly used supports bi-directional threaded rod 18, splint 14 still have test spring 12, the top middle part inner wall rotation of backup pad 9 is connected with bi-directional threaded rod 18, the screw thread direction of its outer wall both sides is opposite, guaranteed splint 14 can reverse movement, the front end of bi-directional threaded rod 18 runs through the front end and fixedly connected with carousel 15 of backup pad 9, the equal threaded connection of front and back portion outer wall of bi-directional threaded rod 18 has splint 14, splint 14 mainly used presss from both sides tight test spring 12, make it stretch to detect the time measuring, the bottom left and right sides of splint 14 all rotate and be connected with gyro wheel 19, gyro wheel 19 be convenient for splint 14 slide on backup pad 9, the bottom fixedly connected with base 4 of support column 7, increase firm nature, protection casing 4 has the bottom fixedly connected with base 4, protection cover 4 has the top end 2 to be connected with the top end 2 when the protection pad 2 is stretched out, the protection pad 2 when the inner wall 2 is stretched out, and the protection pad 2 is arranged to the front end is all right side of the protection pad is connected to the front and is more than the end of the protection pad 2 when the protection pad is in the front and is connected to the front to the protection pad is in the front to the front of the end of the protection pad.

The top threaded connection of fixed disk 11 is at the top inner wall of protection casing 2, rotate the nut of fixed disk 11 bottom, can dismantle fixed disk 11 on protection casing 2, the overhaul of being convenient for, the front end fixedly connected with handle 16 of carousel 15, rotate handle 16 and drive carousel 15, thereby drive the rotation of two-way threaded rod 18, the top left and right sides of backup pad 9 corresponds the position department of gyro wheel 19 all is provided with spout 13, the outer wall fixed connection of pneumatic cylinder 1 is at the upper wall of protection casing 2, the front end of guard gate 6 is provided with bolt 3, the front end of drawer 5 is provided with draws knot 17, the inboard one end of splint 14 is provided with test spring 12, two splint 14 to the inboard removal can press from both sides test spring 12 tightly, prevent that it from moving back and forth.

Working principle: the test spring 12 is placed between the two clamping plates 14, the handle 16 is rotated to drive the turntable 15, so that the bidirectional threaded rod 18 is driven to rotate, the two clamping plates 14 are moved inwards to clamp the test spring 12, the deviation is prevented, the protective door 6 is closed, the hydraulic cylinder 1 is started to drive the pressing plate 8 to move downwards to stretch and detect the test spring 12, the pressure is balanced, if the quality does not reach the standard, the test spring is ejected to two sides after being broken, the test spring is firstly impacted to the anti-collision pad 10 to be buffered, then the test spring falls into the bottom drawer 5 to be collected, the test spring is conveniently taken out, nuts at the bottom end of the fixed disc 11 are firstly loosened during maintenance, and the test spring can be taken down by rotating the fixed disc 11, so that the protective cover 2, the hydraulic cylinder 1 and the pressing plate 8 can be separated from the bottom, and the maintenance is conveniently carried out.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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 described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides an automobile leaf spring tensile test detection device, includes pneumatic cylinder (1), its characterized in that: the utility model discloses a hydraulic cylinder, including hydraulic cylinder (1), telescopic portion bottom fixedly connected with clamp plate (8), the equal sliding connection in four corners department of clamp plate (8) has support column (7), the equal threaded connection in top of support column (7) has fixed disk (11), the bottom outer wall fixedly connected with backup pad (9) of support column (7), the top middle part inner wall rotation of backup pad (9) is connected with two-way threaded rod (18), the front end of two-way threaded rod (18) runs through the front end and fixedly connected with carousel (15) of backup pad (9), the equal threaded connection in front and back portion outer wall of two-way threaded rod (18) has splint (14), the equal rotation in bottom left and right sides of splint (14) is connected with gyro wheel (19), the bottom fixedly connected with base (4) of support column (7), the inner wall sliding connection of base (4) has drawer (5), the top of base (4) is provided with protection casing (2) all around, both ends inner wall all is provided with anticollision pad (10) about protection casing (2), the front end both sides of protection casing (2) all rotate and are connected with protection door (6).

2. The automobile leaf spring tensile test detection device according to claim 1, wherein: the top end of the fixed disc (11) is connected with the inner wall of the top end of the protective cover (2) through threads.

3. The automobile leaf spring tensile test detection device according to claim 1, wherein: the front end of the rotary table (15) is fixedly connected with a handle (16).

4. The automobile leaf spring tensile test detection device according to claim 1, wherein: sliding grooves (13) are formed in the positions, corresponding to the rollers (19), of the left side and the right side of the top end of the supporting plate (9).

5. The automobile leaf spring tensile test detection device according to claim 1, wherein: the outer wall of the hydraulic cylinder (1) is fixedly connected with the upper wall of the protective cover (2).

6. The automobile leaf spring tensile test detection device according to claim 1, wherein: the front end of the protective door (6) is provided with a bolt (3).

7. The automobile leaf spring tensile test detection device according to claim 1, wherein: the front end of the drawer (5) is provided with a pull buckle (17).

8. The automobile leaf spring tensile test detection device according to claim 1, wherein: a test spring (12) is arranged at one end of the inner side of the clamping plate (14).