CN219737035U

CN219737035U - Rebound testing machine for EVA (ethylene-vinyl acetate copolymer) fender test

Info

Publication number: CN219737035U
Application number: CN202320612594.6U
Authority: CN
Inventors: 刘棕; 张辉; 贾丹丹
Original assignee: Zhongxiang Luoya Industrial Co ltd
Current assignee: Zhongxiang Luoya Industrial Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-09-22
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses a rebound tester for EVA (ethylene-vinyl acetate) fender test, which comprises a base frame, and a rebound test assembly fixedly connected to the top of the base frame, wherein the bottom of the inner side of the base frame is transversely and fixedly connected with a transverse plate, the top of the transverse plate is fixedly connected with a limit box, the bottom of the back surface of an inner cavity of the limit box is fixedly connected with a motor, the output end of the motor is fixedly connected with a disc, the top and the bottom of the front surface of the disc are both movably connected with inclined rods through rotating shafts, the outer side of each inclined rod is movably connected with a push rod through a rotating shaft, the bottom of each push rod is in sliding connection with the inner wall of the limit box, the inner side of the limit box is transversely and fixedly connected with a flat column, both sides of the surface of the flat column are both sliding connected with sliding blocks, and the bottom of each sliding block is fixedly connected with the push rod. The rebound tester changes the traditional phenomenon of bouncing the object, adopts the limiting block to carry out limiting treatment, can not bounce the object, and can not influence the stability of the test.

Description

Rebound testing machine for EVA (ethylene-vinyl acetate copolymer) fender test

Technical Field

The utility model relates to the technical field of EVA (ethylene-vinyl acetate) fender test, in particular to a rebound tester for EVA fender test.

Background

Ethylene-vinyl acetate copolymer is a general high molecular polymer, is flammable and has no pungency of burning smell; when the ship leans against the wharf or other ships, the ship is hung on a fixed or movable liner of the ship side for protecting the ship side and increasing the buffer capacity; the rebound tester is a device for testing the rebound force of an article.

The EVA spring-back testing machine is needed to be used in the test, but the existing spring-back testing machine is used for directly placing objects on the test bench in the test, and if the downward pressure is too large, the objects can be sprung out, so that the stability of the test is affected.

Therefore, the rebound tester needs to be designed and modified, and the phenomenon that an object is sprung out is effectively prevented.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide the rebound tester for testing the EVA fender, which has the advantage of limiting an object and solves the problem that the object is sprung.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a rebound tester for EVA fender test comprises a base frame;

the rebound test assembly is fixedly connected to the top of the base frame;

the bottom of the inner side of the base frame is transversely and fixedly connected with a transverse plate, the top of the transverse plate is fixedly connected with a limit box, the bottom of the back of the inner cavity of the limit box is fixedly connected with a motor, the output end of the motor is fixedly connected with a disc, the top and the bottom of the front of the disc are both movably connected with inclined rods through rotating shafts, the outer sides of the inclined rods are movably connected with push rods through rotating shafts, the bottom of each push rod is in sliding connection with the inner wall of the limit box, the inside transverse fixedly connected with flat post of spacing box, the equal sliding connection in both sides of flat post surface has the slider, the bottom and the push rod fixed connection of slider, the top fixedly connected with longitudinal plate of slider, the inside to rebound test assembly is run through at the top of longitudinal plate, the inboard top fixedly connected with stopper of longitudinal plate, the inboard and the peripheral hardware material contact of stopper.

As the preferable mode of the utility model, the two sides of the top of the limit box are provided with the transverse grooves which are matched with the longitudinal plates.

As the preferable mode of the utility model, the two sides of the bottom of the inner cavity of the limit box are provided with the sliding rails, and the bottom of the push rod is connected in the sliding rails in a sliding way.

As the preferable mode of the utility model, the two sides of the motor are fixedly connected with the fixed blocks, and the outer sides of the fixed blocks are fixedly connected with the inner wall of the limit box.

As the preferable mode of the utility model, the bottom of the outer side of the longitudinal plate is fixedly connected with a buffer tube, and the outer side of the buffer tube is fixedly connected with the inner wall of the limit box.

As the preferable mode of the utility model, the front surface of the vertical plate is movably connected with the limiting frame through the sliding pin, and both sides of the limiting frame are fixedly connected with the inner wall of the limiting box.

Compared with the prior art, the utility model has the following beneficial effects:

1. the rebound tester changes the traditional phenomenon of bouncing the object, adopts the limiting block to carry out limiting treatment, can not bounce the object, and can not influence the stability of the test.

2. According to the utility model, through the arrangement of the transverse grooves, the longitudinal plate can move more smoothly, and the phenomenon of blocking is prevented.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the structure of FIG. 1A;

fig. 3 is a partial structural perspective view of the present utility model.

In the figure: 1. a base frame; 2. a rebound test assembly; 3. a cross plate; 4. a limit box; 5. a motor; 6. a disc; 7. a diagonal rod; 8. a push rod; 9. a flat column; 10. a slide block; 11. a longitudinal plate; 12. a limiting block; 13. a transverse groove; 14. a slide rail; 15. a fixed block; 16. a buffer tube; 17. and a limiting frame.

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.

As shown in fig. 1 to 3, the rebound tester for testing the EVA fender provided by the utility model comprises a base frame 1;

the rebound test assembly 2 is fixedly connected to the top of the base frame 1;

the horizontal fixedly connected with diaphragm 3 in the inboard bottom of base frame 1, the top fixedly connected with spacing box 4 of diaphragm 3, the bottom fixedly connected with motor 5 at the back of spacing box 4 inner chamber, the output fixedly connected with disc 6 of motor 5, the positive top of disc 6 and bottom all are through pivot swing joint have diagonal bar 7, the outside of diagonal bar 7 is through pivot swing joint have push rod 8, the bottom of push rod 8 and the inner wall sliding connection of spacing box 4, the inside horizontal fixedly connected with flat post 9 of spacing box 4, the both sides on flat post 9 surface all sliding connection have slider 10, slider 10's bottom and push rod 8 fixed connection, slider 10's top fixedly connected with longitudinal plate 11, the inside to rebound test assembly 2 is run through at longitudinal plate 11's top fixedly connected with stopper 12, stopper 12's inboard and peripheral hardware contact.

Referring to fig. 1, both sides of the top of the limit box 4 are provided with transverse grooves 13, and the transverse grooves 13 are matched with the longitudinal plates 11 for use.

As a technical optimization scheme of the utility model, through the arrangement of the transverse grooves 13, the longitudinal plate 11 can move more smoothly, and the phenomenon of locking is prevented.

Referring to fig. 2, slide rails 14 are provided on both sides of the bottom of the inner cavity of the limit box 4, and the bottom of the push rod 8 is slidably connected inside the slide rails 14.

As a technical optimization scheme of the utility model, the push rod 8 can slide in the limit box 4 more smoothly through the arrangement of the slide rail 14, so that friction between the push rod and the limit box is reduced.

Referring to fig. 2, both sides of the motor 5 are fixedly connected with a fixing block 15, and the outer side of the fixing block 15 is fixedly connected with the inner wall of the limit box 4.

As a technical optimization scheme of the utility model, the motor 5 can be operated more stably through the arrangement of the fixed block 15, so that the falling phenomenon is avoided.

Referring to fig. 1, a buffer tube 16 is fixedly connected to the bottom of the outer side of the longitudinal plate 11, and the outer side of the buffer tube 16 is fixedly connected to the inner wall of the limit box 4.

As a technical optimization scheme of the utility model, the longitudinal plate 11 can be moved more stably through the arrangement of the buffer tube 16, so that the phenomenon that rebound cannot occur is avoided.

Referring to fig. 1, the front surface of the vertical plate 11 is movably connected with a limiting frame 17 through a sliding pin, and two sides of the limiting frame 17 are fixedly connected with the inner wall of the limiting box 4.

As a technical optimization scheme of the utility model, the vertical plate 11 can be moved more stably by the arrangement of the limiting frame 17, so that the phenomenon of inclination is avoided.

The working principle and the using flow of the utility model are as follows: firstly, a user puts an object on a test bed of the rebound test assembly 2, then the motor 5 is started, the output end of the motor 5 drives the disc 6 to rotate, the disc 6 drives one end of the inclined rod 7 to rotate, the other end of the inclined rod 7 drives the push rod 8 to move inwards, the push rod 8 drives the slide block 10 to move inwards, the slide block 10 drives the vertical plate 11 to move inwards, and the vertical plate 11 drives the limiting block 12 to move inwards, so that the limiting block 12 clamps the object, and the effect of limiting the object is achieved.

To sum up: this EVA is rebound testing machine for fender test has changed the tradition through rebound testing machine and has sprung out the phenomenon of object, has adopted stopper 12 to carry out spacing processing, just can not spring out the object, also can not influence the stability of test.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rebound tester for EVA fender test comprises a base frame (1);

the rebound test assembly (2) is fixedly connected to the top of the base frame (1);

the method is characterized in that: the utility model discloses a base frame, including base frame (1), cross slab (3), cross slab (4) top fixedly connected with spacing box (4), the bottom fixedly connected with motor (5) at spacing box (4) inner chamber back, the output fixedly connected with disc (6) of motor (5), positive top and the bottom of disc (6) are all through pivot swing joint having down tube (7), the outside of down tube (7) is through pivot swing joint having push rod (8), the bottom of push rod (8) and the inner wall sliding connection of spacing box (4), the inside transversely fixedly connected with flat post (9) of spacing box (4), the equal sliding connection in both sides of flat post (9) surface has slider (10), the bottom and push rod (8) fixedly connected with of slider (10), the top fixedly connected with longitudinal plate (11), the top of longitudinal plate (11) runs through to the inside of resilience test module (2), the top fixedly connected with stopper (12) of longitudinal plate (11) inboard, contact with stopper (12) with the material outward.

2. The resilience tester for EVA bump pad test according to claim 1, wherein: transverse grooves (13) are formed in two sides of the top of the limiting box (4), and the transverse grooves (13) are matched with the longitudinal plates (11) for use.

3. The resilience tester for EVA bump pad test according to claim 1, wherein: slide rails (14) are arranged on two sides of the bottom of the inner cavity of the limit box (4), and the bottom of the push rod (8) is connected inside the slide rails (14) in a sliding mode.

4. The resilience tester for EVA bump pad test according to claim 1, wherein: both sides of motor (5) are all fixedly connected with fixed block (15), the outside of fixed block (15) and the inner wall fixed connection of spacing box (4).

5. The resilience tester for EVA bump pad test according to claim 1, wherein: the bottom outside of vertical board (11) is fixedly connected with buffer tube (16), the outside of buffer tube (16) and the inner wall fixed connection of spacing box (4).

6. The resilience tester for EVA bump pad test according to claim 1, wherein: the front of the vertical plate (11) is movably connected with a limiting frame (17) through a sliding pin, and two sides of the limiting frame (17) are fixedly connected with the inner wall of the limiting box (4).