CN220063344U

CN220063344U - Impact test stand

Info

Publication number: CN220063344U
Application number: CN202321429651.3U
Authority: CN
Inventors: 李先波; 朱江峰; 钟琼华
Original assignee: Suzhou Sushi Testing Group Co Ltd
Current assignee: Suzhou Sushi Testing Group Co Ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-11-21
Anticipated expiration: 2033-06-06

Abstract

The utility model provides an impact test bed which comprises an impact air cylinder assembly, a high-pressure air storage tank used for supplying air to the impact air cylinder assembly, and a connecting pipeline assembly connected between the impact air cylinder assembly and the high-pressure air storage tank, wherein the connecting pipeline assembly comprises a high-pressure metal pipeline and a high-pressure rubber hose connected with the high-pressure metal pipeline. The impact test stand uses the high-pressure air storage tank as a direct power source, so that the equipment volume can be reduced; by arranging the high-pressure rubber to be soft, the influence of impact vibration on the high-pressure metal pipeline can be eliminated. The impact test bed can realize high-pressure impact with smaller volume, the modularized structure is easy to maintain and replace, and the impact vibration influence is smaller.

Description

Impact test stand

Technical Field

The utility model relates to an impact test stand.

Background

The existing impact test bed is mainly driven at low pressure, in order to obtain high-energy impact effect under the low pressure state, on one hand, the diameter of a cylinder is increased or the length of the cylinder is increased, but the equipment is increased in size and encounters extra heavy load of tens of tons, the equipment is huge, the field requirements are larger, such as the length of a lengthened cylinder barrel is increased, namely, a piston shaft is formed, but when the piston shaft runs to the tail end, a relatively large bending moment is formed, because most of the weight of the piston shaft is extended, the support piece or the piston shaft is blocked or damaged easily due to the bending moment and huge impact force.

In view of this, there is a need for improvements to existing impact test benches to address the above-described problems.

Disclosure of Invention

The utility model aims to provide an impact test stand for solving the problem that the size of the existing low-voltage driving equipment is large.

In order to achieve the above object, the utility model provides an impact test stand, which comprises an impact cylinder assembly, a high-pressure air storage tank for supplying air to the impact cylinder assembly, and a connecting pipeline assembly connected between the impact cylinder assembly and the high-pressure air storage tank, wherein the connecting pipeline assembly comprises a high-pressure metal pipeline and a high-pressure rubber hose connected with the high-pressure metal pipeline.

As a further improvement of the utility model, the impact cylinder assembly comprises a cylinder body, a piston cylinder body connected with the cylinder body, a piston arranged in the piston cylinder body, and a quick release valve arranged in the cylinder body, wherein the cylinder body is communicated with the high-pressure air storage tank, and the quick release valve is used for controlling the communication or closing of the cylinder body and the piston cylinder body.

As a further improvement of the utility model, the connecting pipeline assembly comprises a main pipeline connected with the high-pressure air storage tank and an air supply pipeline connected with the main pipeline and the air cylinder body, and the air supply pipeline is provided with a first stop valve for controlling the on-off of the air supply pipeline.

As a further improvement of the present utility model, the connecting line assembly further includes a bypass line connected to the main line, and a release line connected between the bypass line and the cylinder body, the release line being used to control the opening and closing of the quick release valve.

As a further improvement of the utility model, the bypass pipeline is provided with a second stop valve, and the release pipeline is provided with a quick-opening electromagnetic valve.

As a further development of the utility model, the connecting line assembly further comprises an exhaust line connected to the bypass line, the exhaust line being provided with a third shut-off valve.

As a further development of the utility model, the exhaust line has an outlet end, and a muffler is arranged on the exhaust line near the outlet end.

As a further improvement of the present utility model, the connecting line assembly further includes an air outlet line connecting the cylinder body and the air outlet line, the air outlet line being configured to discharge the surplus air in the cylinder body.

As a further improvement of the utility model, a fourth stop valve is arranged on the air outlet pipe.

As a further improvement of the utility model, a gas pressure sensor for detecting the gas pressure in the cylinder body is arranged in the cylinder body near the main pipeline.

The beneficial effects of the utility model are as follows: the impact test stand uses the high-pressure air storage tank as a direct power source, so that the equipment volume can be reduced; by arranging the high-pressure rubber to be soft, the influence of impact vibration on the high-pressure metal pipeline can be eliminated. The impact test bed can realize high-pressure impact with smaller volume, the modularized structure is easy to maintain and replace, and the impact vibration influence is smaller.

Drawings

FIG. 1 is a schematic view of the impact test stand of the present utility model;

FIG. 2 is a schematic cross-sectional view of an impact cylinder assembly of the impact test stand of the present utility model;

FIG. 3 is a schematic view of the connecting pipe assembly of the impact test stand of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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 the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, 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. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

As shown in fig. 1 to 3, the impact test stand 100 of the present utility model includes an impact cylinder assembly 1, a high pressure air tank 2 for supplying air to the impact cylinder assembly 1, a connection pipe assembly 3 connected between the impact cylinder assembly 1 and the high pressure air tank 2, and a cylinder block 4 for supporting the impact cylinder assembly 1.

The impact cylinder assembly 1, the high-pressure air storage tank 2 and the connecting pipeline assembly 3 are arranged in a modularized mode, are connected through flanges, are simple to install, are higher in interchangeability and are easy to maintain.

The impact cylinder assembly 1 comprises a cylinder body 11, a piston cylinder body 12 connected with the cylinder body 11, a piston 13 arranged in the piston cylinder body 12, and a quick release valve 14 arranged in the cylinder body 11.

The cylinder body 11 is communicated with the high-pressure air storage tank 2, and the quick release valve 14 is used for controlling the communication or closing of the cylinder body 11 and the piston cylinder body 12. When the quick release valve 14 is opened, the high pressure air storage tank 2 supplies air to the air cylinder body 11 through the connecting pipeline assembly 3 and further enters the piston cylinder body 12 to push the piston 13 to move.

The connecting pipe assembly 3 comprises a high-pressure metal pipe 31 and a high-pressure rubber hose 32 connected with the high-pressure metal pipe 31. In this embodiment, the high pressure rubber hose 32 is disposed at a side close to the impact cylinder assembly 1, so that the impact of impact vibration on the high pressure metal pipe 31 can be eliminated.

The connecting pipeline assembly 3 comprises a main pipeline 33 connected with the high-pressure air storage tank 2, an air supply pipeline 34 connected with the main pipeline 33 and the air cylinder body 11, a branch pipeline 35 connected with the main pipeline 33, a release pipeline 36 connected between the branch pipeline 35 and the air cylinder body 11, an exhaust pipeline 37 connected with the branch pipeline 35 and an air outlet pipeline 38 connected with the air cylinder body 11 and the exhaust pipeline 37.

The air supply pipeline 34 is provided with a first stop valve 341 for controlling the on-off of the air supply pipeline 34.

The bypass pipeline 35 is provided with a second stop valve 351, the release pipeline 36 is used for controlling the quick release valve 14 to be opened and closed, the release pipeline 36 is provided with a quick release solenoid valve 361, and the release pipeline 36 is used for supplying air towards the quick release valve 14 to control the quick release valve to be closed.

The exhaust pipe 37 is provided with a third shut-off valve 371.

The exhaust pipe 37 has an outlet end, and a muffler 372 is provided on the exhaust pipe 37 near the outlet end.

The air outlet pipe 38 is used for discharging the redundant air in the cylinder body 11. The outlet pipe 38 is provided with a fourth stop valve 381.

An air pressure sensor for detecting air pressure in the cylinder body 11 is arranged in the cylinder body 11 near the main pipeline 33.

The impact test stand 100 of the present utility model is used as follows: closing all valves, and injecting air into the high-pressure air storage tank 2 by using an air compressor; opening a second stop valve 351 and a quick-opening electromagnetic valve 361, supplying air towards the quick-release valve 14, propping up the quick-release valve 14 to be closed, then slowly opening a first stop valve 341, supplying air towards the cylinder body 11, wherein the air pressure in the cylinder body 11 is gradually increased and the quick-release valve 14 is not opened because the release pipeline 36 is filled with air to prop up the quick-release valve 14; closing the second stop valve 351 and the quick-opening electromagnetic valve 361, keeping the pressure in the pipe, preparing for evacuating the gas at the rear end of the quick-release valve 14 in the cylinder body 11, opening the third stop valve 371, and discharging the gas through the exhaust pipeline 37, wherein the air pressure in the cylinder body 11 is greater than the air pressure of the release pipeline 36 and the exhaust pipeline 37 at the moment, the quick-release valve 14 is opened by air, and the air enters the piston cylinder body 12 from the cylinder body 11 and pushes the piston 13 to move quickly; the first shut-off valve 341 is closed, the second shut-off valve 351 is kept in a closed state, the fourth shut-off valve 381 is opened, the gas in the cylinder body 11 is evacuated, and then all valves are closed.

The impact test stand 100 of the present utility model uses the high-pressure air tank 2 as a direct power source, so that the volume of the apparatus can be reduced; by providing the high-pressure rubber to be soft, the influence of impact vibration on the high-pressure metal pipe 31 can be eliminated. The impact test stand 100 of the utility model can realize high-pressure impact with smaller volume, the modularized structure is easy to maintain and replace, and the impact vibration influence is smaller.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. An impact test stand, characterized in that: the impact test bed comprises an impact air cylinder assembly, a high-pressure air storage tank for supplying air to the impact air cylinder assembly, and a connecting pipeline assembly connected between the impact air cylinder assembly and the high-pressure air storage tank, wherein the connecting pipeline assembly comprises a high-pressure metal pipeline and a high-pressure rubber hose connected with the high-pressure metal pipeline.

2. The impact bench of claim 1, wherein: the impact cylinder assembly comprises a cylinder body, a piston cylinder body connected with the cylinder body, a piston arranged in the piston cylinder body, and a quick release valve arranged in the cylinder body, wherein the cylinder body is communicated with the high-pressure air storage tank, and the quick release valve is used for controlling the communication or closing of the cylinder body and the piston cylinder body.

3. The impact bench according to claim 2, wherein: the connecting pipeline assembly comprises a main pipeline connected with the high-pressure air storage tank, and an air supply pipeline connected with the main pipeline and the air cylinder body, wherein a first stop valve used for controlling the on-off of the air supply pipeline is arranged on the air supply pipeline.

4. The impact bench of claim 3 wherein: the connecting pipeline assembly further comprises a branch pipeline connected with the main pipeline and a release pipeline connected between the branch pipeline and the cylinder body, and the release pipeline is used for controlling the quick release valve to be opened and closed.

5. The impact test stand of claim 4, wherein: the bypass pipeline is provided with a second stop valve, and the release pipeline is provided with a quick-opening electromagnetic valve.

6. The impact bench according to claim 5, wherein: the connecting pipeline assembly further comprises an exhaust pipeline connected with the branch pipeline, and a third stop valve is arranged on the exhaust pipeline.

7. The impact bench of claim 6 wherein: the exhaust pipeline is provided with an outlet end, and a muffler is arranged on the exhaust pipeline close to the outlet end.

8. The impact bench of claim 6 wherein: the connecting pipeline assembly further comprises an air outlet pipeline connected with the cylinder body and the exhaust pipeline, and the air outlet pipeline is used for discharging redundant air in the cylinder body.

9. The impact bench of claim 8 wherein: and a fourth stop valve is arranged on the air outlet pipe.

10. The impact bench of claim 3 wherein: and an air pressure sensor used for detecting the air pressure in the cylinder body is arranged in the cylinder body and close to the main pipeline.