CN216422270U

CN216422270U - Support device with air spring

Info

Publication number: CN216422270U
Application number: CN202122613127.9U
Authority: CN
Inventors: 洪涛; 郭玉宝; 景尤佳; 赵全亮; 田华; 姬战国; 吴剑勇
Original assignee: Sinosteel Zhengzhou Research Institute of Steel Wire Products Co Ltd
Current assignee: Sinosteel Zhengzhou Research Institute of Steel Wire Products Co Ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-05-03
Anticipated expiration: 2031-10-28

Abstract

The utility model provides a strutting arrangement with air spring, include: the moving trolley assembly comprises a walking structure and a trolley body, and the walking structure is arranged on the trolley body; the air spring assembly comprises an air spring body, a protective cover and a gas pipeline structure, the air spring body is arranged on the trolley body, the protective cover covers the air spring body, the gas pipeline structure is communicated with the air spring body, and the clamp is arranged on the protective cover. The technical scheme of the utility model the anchor clamps in the steel strand testing equipment among the prior art have been solved effectively because of gravity takes place to deflect, influence the problem of servo actuator life-span and test result precision.

Description

Support device with air spring

Technical Field

The utility model relates to a technical field of wire rope's testing machine particularly, relates to a strutting arrangement with air spring.

Background

The steel strand has high strength, is convenient and frequent to use, is used as a main stressed structural member, has direct influence on the structural safety and the service life of the cable-stayed structural bridge, and is one of important performance tests of the steel strand in a bending fatigue resistance test. Because the tensile strength of the steel strand is high, the quality of the anchorage device and accessories used in the test is often very large, and the quality of the steel strand loading tool fixtures with different specifications is different. In order to ensure that no gravity interference exists in the test process, the supporting device is automatically matched with the weight of the universal fixture, and the servo actuator is prevented from being influenced by lateral force in the test process, so that the service life of the test is prolonged, and the accuracy of an experimental result is improved.

In the prior art, a universal fixture in the steel strand test equipment deflects due to gravity, so that the service life of a servo actuator and the test result precision are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a strutting arrangement with air spring has solved the anchor clamps among the steel strand testing equipment among the prior art and has taken place to deflect because of gravity, influences the problem of servo actuator life-span and test result precision.

According to the utility model provides a strutting arrangement with air spring, include: the moving trolley assembly comprises a walking structure and a trolley body, and the walking structure is arranged on the trolley body; the air spring assembly comprises an air spring body, a protective cover and an air pipeline structure, the air spring body is arranged on the trolley body, the protective cover covers the air spring body, the air pipeline structure is communicated with the air spring body, and the clamp is arranged on the protective cover.

Further, the trolley body comprises side frames and a bottom plate connected between the side frames, the installation height of the bottom plate is lower than that of the frame, and the air spring body is installed on the bottom plate.

Further, the protection casing includes curb plate and roof, has limit structure between curb plate and the frame, and the roof is installed on the upper portion of curb plate, and anchor clamps setting is on the roof.

Furthermore, the inner side of the side plate is provided with a convex block, the outer side of the frame is provided with a groove, and the convex block and the groove are matched to form a limiting structure.

Furthermore, the gas pipeline structure comprises a gas source, a pipeline, a pressure regulating valve and a one-way valve, wherein an inlet of the pipeline is communicated with the gas source, an outlet of the pipeline is communicated with the air spring body, and the pressure regulating valve and the one-way valve are both arranged on the pipeline.

Furthermore, the pipeline comprises a main line, a first branch and a second branch, the air spring body comprises a first air spring body and a second air spring body, the first end of the main line is communicated with an air source, the first branch and the second branch are communicated with the second end of the main line, the first branch corresponds to the first air spring body, and the second branch corresponds to the second air spring body.

Further, the pressure regulating valve comprises a first pressure regulating valve and a second pressure regulating valve, the one-way valve comprises a first one-way valve and a second one-way valve, the first pressure regulating valve and the first one-way valve are arranged on the first branch, the first one-way valve is close to the first air spring, the second pressure regulating valve and the second one-way valve are arranged on the second branch, and the second one-way valve is close to the second air spring.

Furthermore, the gas pipeline structure also comprises a first two-position three-way reversing valve and a second two-position three-way reversing valve, the first two-position three-way reversing valve is arranged on the first branch and is positioned between the first pressure regulating valve and the first one-way valve, and the second two-position three-way reversing valve is arranged on the second branch and is positioned between the second pressure regulating valve and the second one-way valve.

Further, an air filter, a pressure reducing valve and an oil atomizer are sequentially arranged from an inlet of the main line to an outlet of the main line.

Further, the supporting device also comprises a control structure, and the control structure can automatically control the pressure of the air spring.

Use the technical scheme of the utility model, strutting arrangement's air spring body can match the height of different air spring bodies according to the anchor clamps of different weight, makes the center and the testing machine servo actuator of anchor clamps on same horizontal axis like this, and then has guaranteed the life-span and experimental precision of actuator. The technical scheme of the utility model the anchor clamps among the test equipment among the prior art have been solved effectively and have taken place to deflect because of gravity, influence the problem of servo actuator life-span and test result precision.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:

fig. 1 shows a schematic structural view of the support device of the present embodiment;

FIG. 2 shows a schematic cross-sectional view of the support device of FIG. 1;

FIG. 3 shows a schematic piping diagram of the air spring assembly of FIG. 1.

10. A moving trolley component; 11. a walking structure; 12. a trolley body; 20. an air spring assembly; 21. an air spring body; 22. a protective cover; 23. a gas line structure; 231. a gas source; 232. a pipeline; 233. a pressure regulating valve; 234. a one-way valve; 235. a first two-position three-way directional valve; 236. a second two-position three-way reversing valve; 237. an air filter; 238. a pressure reducing valve; 239. an oil atomizer; 100. and (4) clamping.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may also be oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present disclosure will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

As shown in fig. 1 to 3, a supporting device with an air spring of the present embodiment includes: a mobile cart assembly 10 and an air spring assembly 20. The moving trolley assembly 10 comprises a walking structure 11 and a trolley body 12, wherein the walking structure 11 is arranged on the trolley body 12. The air spring assembly 20 comprises an air spring body 21, a protective cover 22 and an air pipeline structure 23, wherein the air spring body 21 is arranged on the trolley body 12, the protective cover 22 covers the air spring body 21, the air pipeline structure 23 is communicated with the air spring body 21, and the clamp 100 is arranged on the protective cover 22.

By applying the technical scheme of the embodiment, the air spring body 21 of the supporting device can be matched with the heights of different air spring bodies 21 according to the clamps 100 with different weights, so that the center of the clamp 100 and a servo actuator of the testing machine are on the same horizontal axis, and the service life of the actuator and the testing precision are further ensured. The technical scheme of the utility model the anchor clamps 100 among the test equipment among the prior art have been solved effectively and have taken place to deflect because of gravity, influence the problem of servo actuator life-span and test result precision.

As shown in fig. 1 and 2, in the present embodiment, the vehicle body 12 includes lateral frames and a bottom plate connected between the lateral frames, the bottom plate is installed at a lower height than the frames, and the air spring body 21 is installed on the bottom plate. The air spring bodies 21 are placed more stably due to the structure, the number of the air spring bodies 21 is two, and the groove space of the trolley body 12 just accommodates the two air spring bodies 21. The wagon body 12 also includes a partition that separates the two air spring bodies 21. It should be noted that the height from the upper surface of the bottom plate to the upper surface of the vehicle frame is smaller than the height of the air spring body 21 during operation, so that the air spring body 21 is not interfered by the vehicle frame during operation. In the technical scheme of this embodiment, the frame includes two at least, and two frames are located the both sides of dolly body 12.

In the technical solution of this embodiment, the protection cover 22 includes a side plate and a top plate, a limiting structure is provided between the side plate and the frame, the top plate is installed on the upper portion of the side plate, and the clamp 100 is disposed on the top plate. The structure can reduce the cost while effectively protecting the air spring body 21. Specifically, in the technical scheme of this embodiment, the curb plate includes the curb plate of the both sides of dolly body 12 at least, and of course, the curb plate also can be all for all around setting up the curb plate as required.

In the technical scheme of this embodiment, the inboard of curb plate has the lug, and the outside of frame has the spout, and lug and spout looks adaptation form limit structure. The projection slides in the slot, which ensures that the shield 22 does not leave the path of travel. It should be noted that the limiting structure may also be in other forms, for example, the inner side of the side plate has a sliding groove, and the outer side of the frame has a protrusion, or the sliding groove and the sliding rail are matched, or the bearing and the sliding groove are matched.

As shown in fig. 3, in the solution of the present embodiment, the gas pipeline structure 23 includes a gas source 231, a pipeline 232, a pressure regulating valve 233 and a check valve 234, an inlet of the pipeline 232 is communicated with the gas source 231, an outlet of the pipeline 232 is communicated with the air spring body 21, and the pressure regulating valve 233 and the check valve 234 are both disposed on the pipeline 232. The air source 231 provides air for the air spring body 21, the pressure regulating valve 233 can regulate the pressure in the air spring body 21, and the one-way valve 234 ensures that the air in the air spring body 21 cannot be discharged at will.

As shown in fig. 3, in the technical solution of this embodiment, the pipeline 232 includes a main line, a first branch line and a second branch line, the air spring body 21 includes a first air spring body and a second air spring body, a first end of the main line is communicated with the air source 231, the first branch line and the second branch line are communicated with a second end of the main line, the first branch line corresponds to the first air spring body, and the second branch line corresponds to the second air spring body. Each branch can be independently controlled, so that the centering effect of the center of the clamp 100 can be well ensured.

As shown in fig. 3, in the present embodiment, the pressure regulating valve 233 includes a first pressure regulating valve and a second pressure regulating valve, and the check valve 234 includes a first check valve and a second check valve, the first pressure regulating valve and the first check valve being provided on the first branch, the first check valve being close to the first air spring, the second pressure regulating valve and the second check valve being provided on the second branch, the second check valve being close to the second air spring. The first check valve and the second check valve are provided at the corresponding branches, not at the main path, so that independent operations of the two air spring bodies 21 can be realized.

As shown in fig. 3, in the solution of the present embodiment, the gas pipeline structure 23 further includes a first two-position three-way directional valve 235 and a second two-position three-way directional valve 236, the first two-position three-way directional valve 235 is disposed on the first branch and located between the first pressure regulating valve and the first one-way valve, and the second two-position three-way directional valve 236 is disposed on the second branch and located between the second pressure regulating valve and the second one-way valve. The first two-position three-way reversing valve 235 and the second two-position three-way reversing valve 236 are arranged on different corresponding branches, and independent control of the different branches can be achieved. As shown in fig. 3, the technical solution of this embodiment further includes a first pressure gauge and a second pressure gauge, the first pressure gauge is correspondingly disposed on the first branch and located between the first pressure regulating valve and the first two-position three-way directional valve, and the second pressure gauge is correspondingly disposed on the second branch and located between the second pressure regulating valve and the second two-position three-way directional valve.

As shown in fig. 3, in the solution of the present embodiment, an air filter 237, a pressure reducing valve 238 and an oil mist device 239 are sequentially disposed from an inlet of the main line to an outlet of the main line. The provision of air filter 237 ensures that the purity of the air entering air spring body 21 is satisfactory. The air filter 237, the pressure reducing valve 238 and the oil atomizer 239 form a pneumatic triple piece.

In the solution of this embodiment (not shown in the figures), the support device further comprises a control structure, and the control structure can automatically control the pressure of the air spring. The control structure is electrically connected to the gas conduit structure 23, and the gas supply to the gas conduit structure 23 can be controlled by the pressure of the air spring body 21, for example, when the pressure is higher than a predetermined value, the gas supply 231 stops supplying gas.

The universal clamp (clamp 100) is connected to the shield 22, and the shield 22 is connected to the air spring (air spring body 21) disposed on the mobile cart assembly 10. The protective cover is integrally welded by high-quality carbon steel and has the functions of supporting the universal fixture and preventing the air spring from being scratched by a sharp object. The air spring is an actuating element and consists of an air bag, an upper cover plate and a lower cover plate, and the main function is to adjust the height of the whole device so as to match with universal fixtures and transition tools with different qualities. The moving trolley (moving trolley component 10) is integrally welded by high-quality carbon steel, and provides a mounting platform to drive the integral device to move along with the tensile deformation of the sample. In order to ensure the stability of the whole experimental device, a double-air-spring supporting structure is adopted.

And installing a universal clamp and a transition tool before testing. The preset mass, the air source 231 provides air with pressure, and the air filtered by the pneumatic triple piece controls the direction and the pressure of the air flow through the pressure regulating valve and the two-position three-way reversing valve. The pressure is monitored in real time through the pressure gauge, and the check valve prevents gas from flowing back to damage pneumatic components. The axial pulsating load borne by the sample is not influenced by weight, and the precision of the test result is improved; and meanwhile, the service life of the testing machine is prolonged.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A support device having an air spring, comprising:

the trolley moving device comprises a moving trolley assembly (10), wherein the moving trolley assembly (10) comprises a walking structure (11) and a trolley body (12), and the walking structure (11) is arranged on the trolley body (12);

the air spring assembly (20) comprises an air spring body (21), a protective cover (22) and an air pipeline structure (23), the air spring body (21) is arranged on the trolley body (12), the protective cover (22) covers the air spring body (21), the air pipeline structure (23) is communicated with the air spring body (21), and the clamp (100) is arranged on the protective cover (22).

2. The support device with air spring as claimed in claim 1, wherein the trolley body (12) comprises lateral frames and a bottom plate connected between the frames, the bottom plate being mounted at a lower height than the frames, the air spring body (21) being mounted on the bottom plate.

3. The support device with an air spring according to claim 2, wherein the shield (22) includes a side plate and a top plate with a stopper structure therebetween, the top plate is mounted on an upper portion of the side plate, and the clamp (100) is disposed on the top plate.

4. The support device with an air spring as claimed in claim 3, wherein the inner side of the side plate is provided with a projection, the outer side of the frame is provided with a groove, and the projection is matched with the groove to form a limiting structure.

5. The support device with an air spring according to any one of claims 1 to 4, wherein the gas piping structure (23) includes an air source (231), a piping (232), a pressure regulating valve (233), and a check valve (234), an inlet of the piping (232) is communicated with the air source (231), an outlet of the piping (232) is communicated with the air spring body (21), and the pressure regulating valve (233) and the check valve (234) are both provided on the piping (232).

6. The support device with an air spring of claim 5, wherein the conduit (232) includes a main conduit, a first branch conduit and a second branch conduit, the air spring body (21) includes a first air spring body and a second air spring body, a first end of the main conduit is in communication with the air source (231), the first branch conduit and the second branch conduit is in communication with a second end of the main conduit, the first branch conduit corresponds to the first air spring body, and the second branch conduit corresponds to the second air spring body.

7. The support device with air spring as claimed in claim 6, wherein said pressure regulating valve (233) includes a first pressure regulating valve and a second pressure regulating valve, and said check valve (234) includes a first check valve and a second check valve, said first pressure regulating valve and said first check valve being disposed on said first branch, said first check valve being adjacent to said first air spring, said second pressure regulating valve and said second check valve being disposed on said second branch, said second check valve being adjacent to said second air spring.

8. The support device with air spring according to claim 7, characterized in that said gas line structure (23) further comprises a first two-position three-way directional valve (235) and a second two-position three-way directional valve (236), said first two-position three-way directional valve (235) being disposed on said first branch between said first pressure regulating valve and said first one-way valve, said second two-position three-way directional valve (236) being disposed on said second branch between said second pressure regulating valve and said second one-way valve.

9. Support device with air spring according to claim 6, characterized in that an air filter (237), a pressure reducing valve (238) and an oil mist device (239) are arranged in sequence from the inlet of the main line to the outlet of the main line.

10. The support device with an air spring as claimed in any one of claims 1 to 4, further comprising a control structure which automatically controls the pressure of the air spring.