CN219505811U - Suspension and AGV - Google Patents
Suspension and AGV Download PDFInfo
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- CN219505811U CN219505811U CN202320344320.3U CN202320344320U CN219505811U CN 219505811 U CN219505811 U CN 219505811U CN 202320344320 U CN202320344320 U CN 202320344320U CN 219505811 U CN219505811 U CN 219505811U
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Abstract
The utility model discloses a suspension system and an AGV; the suspension system is used for abutting the driving wheel to the ground; comprising the following steps: a first suspension cylinder; the first piston rod of the first suspension oil cylinder is used for pressing the first driving wheel; a second suspension cylinder; the second piston rod of the second suspension cylinder is used for pressing the second driving wheel; wherein, the first rodless cavity of the first suspension cylinder is communicated with the second rodless cavity of the second suspension cylinder. The suspension system of the utility model has no elements such as a motor, an electromagnetic valve, a sensor and the like, does not need electric control, and effectively saves energy; the suspension system is a closed-loop hydraulic system, and parts such as an oil tank and the like are not needed, so that the use space of equipment is saved; furthermore, the suspension system has the characteristics of simple hydraulic principle, convenient operation, convenient maintenance, economy and the like, and has strong practicability.
Description
Technical Field
The utility model relates to the technical field of suspension systems, in particular to a suspension system and an AGV comprising the suspension system.
Background
In a load transportation operation environment, uneven road surfaces can lead to suspension or slipping of driving wheels of transportation equipment, so that the transportation equipment loses power or is jacked up. The hydraulic suspension system enables the driving wheel to be tightly attached to the ground all the time, and when the driving wheel meets a raised pavement, the hydraulic suspension system can realize self-adaptive adjustment, so that the driving wheel can be prevented from driving the whole transportation equipment to be jacked up. The reaction force of the hydraulic suspension system enables the driving wheel to be always tightly attached to the ground, and the ground also provides friction force and adhesive force required by driving the driving wheel at any time, so that the transportation equipment is ensured not to lose power due to uneven road surface.
However, the hydraulic suspension system design in the prior art is too complex, not only increases the failure rate of the system, but also has high overall cost and occupies large equipment space.
Disclosure of Invention
In view of this, the present utility model provides a suspension system and an AGV having the suspension system described above that solves the problem of the hydraulic suspension system being overly complex in design.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a suspension system for abutting a drive wheel to a ground surface; the suspension system includes:
a first suspension cylinder; the first piston rod of the first suspension oil cylinder is used for pressing the first driving wheel;
a second suspension cylinder; the second piston rod of the second suspension cylinder is used for pressing the second driving wheel;
the first rodless cavity of the first suspension cylinder is communicated with the second rodless cavity of the second suspension cylinder.
Optionally, the suspension system further comprises a control valve block; the control valve group comprises a first pipeline, a second pipeline and a first on-off valve;
the first on-off valve is connected between the first pipeline and the second pipeline;
the first pipeline can be communicated with the first rodless cavity;
the second conduit is capable of communicating with the second rodless cavity.
Optionally, in the suspension system, the control valve group further includes a second oil delivery joint; the second oil delivery joint is communicated to the second pipeline.
Optionally, in the suspension system, the control valve group further includes a first oil delivery joint, a third pipeline, a third oil delivery joint, and a second on-off valve;
the third pipeline can be communicated with a first rod cavity of the first suspension oil cylinder;
the first oil delivery joint is communicated with the first pipeline;
the third oil delivery joint is communicated with the third pipeline;
the second on-off valve is communicated to the third pipeline and is connected with the third oil delivery joint in parallel.
Alternatively, in the suspension system described above,
the first rodless cavity is communicated with a first exhaust valve; the second rodless cavity is communicated with a second exhaust valve;
and/or the number of the groups of groups,
the second on-off valve is connected with a first dustproof joint;
and/or the number of the groups of groups,
and a second rod cavity of the second suspension cylinder is connected with a second dustproof joint.
Optionally, the suspension system further comprises a manual pump assembly; the manual pump assembly comprises a manual pump and a main oil delivery joint;
the manual pump is communicated with the main oil delivery joint through a fourth pipeline;
the main oil delivery joint can be respectively connected with the first oil delivery joint, the second oil delivery joint and the third oil delivery joint in an adaptive manner.
Optionally, in the suspension system, the manual pump assembly further includes a pressure gauge; the pressure gauge is communicated to the fourth pipeline;
and/or the number of the groups of groups,
the manual pump assembly further comprises a third on-off valve; the third on-off valve is connected with the manual pump in parallel.
Optionally, in the suspension system, the control valve group further includes a first pressure measuring connector and a second pressure measuring connector;
the first pressure measuring joint is communicated with the first pipeline;
the second pressure measuring joint is communicated with the second pipeline.
Alternatively, in the suspension system described above,
the first pipeline is communicated with the communication pipeline of the first rodless cavity through a first hydraulic rubber pipe;
the second pipeline is communicated with the communication pipeline of the second rodless cavity through a second hydraulic rubber pipe;
the third pipeline is communicated with the communication pipeline of the first rod cavity through a third hydraulic rubber pipe.
An AGV includes a drive wheel and a suspension system that presses the drive wheel against a floor; the suspension system is the suspension system described above.
In the suspension system and the AGV provided by the utility model, the suspension system is provided with a first suspension cylinder and a second suspension cylinder, wherein the first rodless cavity and the second rodless cavity are mutually communicated; when the ground at the first driving wheel and the ground at the second driving wheel are in a high topography, and the second driving wheel is in a low topography, hydraulic oil in the first rodless cavity automatically flows into the second rodless cavity under the action of the height difference; because the hydraulic oil in the first rodless cavity is reduced, the first piston rod moves upwards, the upward movement of the first piston rod provides an upward movement space for the first driving wheel, and meanwhile, the first driving wheel moves upwards under the lifting of the ground with high topography so as to ensure that the first driving wheel is firmly pressed against the ground with high topography; because the hydraulic oil in the second rodless cavity is increased, the second piston rod is pushed to downwards press the second driving wheel, so that the second driving wheel is firmly pressed against the ground with lower topography; the adjustment is carried out in the above way, so that the topography difference between the two driving wheels is balanced, and the bearing planes supported by the first suspension oil cylinder and the second suspension oil cylinder are kept in a balanced state.
The suspension system does not have elements such as a motor, an electromagnetic valve, a sensor and the like, does not need electric control, and effectively saves energy; the suspension system is a closed-loop hydraulic system, and parts such as an oil tank and the like are not needed, so that the use space of equipment is saved; furthermore, the suspension system has the characteristics of simple hydraulic principle, convenient operation, convenient maintenance, economy and the like, and has strong practicability.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a suspension system of the present utility model;
fig. 2 is a schematic diagram of a manual pump assembly of the present utility model.
In fig. 1-2:
the hydraulic system comprises a first suspension cylinder, a second suspension cylinder, a 3-control valve bank, a 4-manual pump assembly, a 5-first exhaust valve, a 6-second exhaust valve, a 7-second dustproof joint, a 8-first hydraulic rubber pipe, a 9-second hydraulic rubber pipe and a 10-third hydraulic rubber pipe;
101-a first piston rod, 102-a first rodless cavity, 103-a first rod cavity;
201-a second piston rod, 202-a second rodless cavity, 203-a second rod cavity;
301-a first on-off valve, 302-a first oil delivery joint, 303-a second oil delivery joint, 304-a third oil delivery joint; 305-second on-off valve, 306-first pressure tap, 307-second pressure tap, 308-first dust tap, 309-control valve block;
401-a manual pump, 402-a main oil delivery joint, 403-a pressure gauge, 404-a third three-way shut-off valve.
Detailed Description
The utility model provides a suspension system and an AGV comprising the suspension system.
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. 1-2, a suspension system for abutting a drive wheel to a ground surface; the suspension system comprises a first suspension cylinder 1 and a second suspension cylinder 2. The first suspension cylinder 1 comprises a first piston rod 101, a first rodless chamber 102, a first rod chamber 103. The second suspension cylinder 2 comprises a second piston rod 201, a second rodless chamber 202, a second rod chamber 203. The first rodless cavity 102 communicates with the second rodless cavity 202. The first piston rod 101 is used for pressing the first driving wheel so that the first driving wheel is abutted to the ground. The second piston rod 201 is used for pressing the second driving wheel so that the second driving wheel is abutted to the ground.
The first cylinder body of the first suspension cylinder 1 and the second cylinder body of the second suspension cylinder 2 support a bearing plane.
Neither the first rod chamber 103 nor the second rod chamber 203 contains hydraulic oil when the suspension system is in operation.
When the ground at the first driving wheel and the ground at the second driving wheel are in a high topography, and the second driving wheel is in a low topography, hydraulic oil in the first rodless cavity 102 automatically flows into the second rodless cavity 202 under the action of the height difference; because the hydraulic oil in the first rodless cavity 102 is reduced, the first piston rod 101 moves upwards to provide a moving space for the first driving wheel, and meanwhile, the first driving wheel moves upwards under the lifting of the ground with high topography so as to ensure that the first driving wheel is firmly pressed against the ground with high topography; as the hydraulic oil in the second rodless cavity 202 is increased, the second piston rod 201 is pushed to downwards press the second driving wheel, so that the second driving wheel is firmly pressed against the ground with lower topography; and the bearing planes supported by the first cylinder body and the second cylinder body are kept in a balanced state by adjusting the bearing planes and balancing the topography difference.
The suspension system does not have elements such as a motor, an electromagnetic valve, a sensor and the like, does not need electric control, and effectively saves energy; the suspension system is a closed-loop hydraulic system, and parts such as an oil tank and the like are not needed, so that the use space of equipment is saved; furthermore, the suspension system has the characteristics of simple structure, simple hydraulic principle, convenient operation, convenient maintenance, economy and the like, and has strong practicability.
It should be further explained that the suspension cylinders in the suspension system are not limited to two, and are flexibly adjusted according to the number of driving wheels of the driving device, and the rodless cavities of all suspension cylinders are ensured to be communicated in series.
In some embodiments of the utility model, the suspension system further comprises a control valve group 3. The control valve group 3 comprises a first pipeline, a second pipeline and a first on-off valve 301. The first on-off valve 301 is connected between the first line and the second line. The end of the first conduit remote from the first on-off valve 301 communicates with the first rodless chamber 102. The end of the second line remote from the first on-off valve 301 communicates with the second rodless chamber 202.
The on-off of the serial communication state between the first rodless cavity 102 and the second rodless cavity 202 can be controlled by arranging the first on-off valve 301; when the first on-off valve 301 controls the first rodless chamber 102 to be disconnected from the second rodless chamber 202, independent adjustment of the first suspension cylinder 1 and the second suspension cylinder 2 can be achieved, respectively.
The first on-off valve 301 may be any one of a shut-off valve, a manual cartridge valve, and a manual spool valve.
Further, the stop valve is a plate type stop valve.
In some embodiments of the utility model, the control valve assembly 3 further comprises a second oil delivery connection 303. The second oil delivery connection 303 is connected to a second pipeline.
Because of long-time operation, the hydraulic oil in the suspension system can be leaked in a trace amount. By arranging the second oil delivery connector 303, the suspension system realizes that hydraulic oil is supplemented into the second rodless cavity 202 and/or the first rodless cavity 102 through the second oil delivery connector 303, and further the reliable operation of the suspension system is effectively ensured.
In some embodiments of the present utility model, the control valve assembly 3 further comprises a first oil delivery connection 302, a third pipeline, a third oil delivery connection 304, and a second on-off valve 305. The third line can communicate with the first rod chamber 103 of the first suspension cylinder 1. The first oil delivery connection 302 is connected to a first pipeline. The third oil delivery connection 304 is connected to a third pipeline. The second on-off valve 305 is connected to the third pipeline and is connected in parallel with the third oil delivery joint 304.
The second on-off valve 305 may be any one of a shut-off valve, a manual cartridge valve, and a manual spool valve.
Further, the stop valve is a plate type stop valve.
When the suspension system works, the initial state adjustment needs to be carried out:
s1: closing the first on-off valve 301 and the second on-off valve 305;
s2: the second rodless cavity 202 of the second suspension cylinder 2 is filled with hydraulic oil through the manual pump assembly 4 and the second pipeline to empty the second pipeline and the second suspension cylinder 2 of air;
s3: the first rod cavity 103 of the first suspension cylinder 1 is filled with hydraulic oil through the manual pump assembly 4 and the third pipeline so as to empty the third pipeline and the air in the first suspension cylinder 1;
s4: filling the first pipeline with hydraulic oil through a manual pump assembly 4 so as to empty the air in the first pipeline;
s5: the first on-off valve 301 and the second on-off valve 305 are opened;
s6: the hydraulic oil in the first rod chamber 103 of the first suspension cylinder 1 is completely emptied by the manual pump assembly 4.
After the above steps are completed, the adjustment of the initial state is achieved, and at this time, the first rodless chamber 102 and the second rodless chamber 202 have 1/2 of the volume of the hydraulic oil of the suspension cylinder.
As set forth above, the air in the first suspension cylinder 1, the second suspension cylinder 2, the first pipe, the second pipe, and the third pipe can be completely removed while the initial state adjustment of the suspension system is achieved, so as to prevent the suspension system from being unstable due to the air.
Further, the first rodless cavity 102 is communicated with a first exhaust valve 5; the second rodless chamber 202 communicates with the second exhaust valve 6.
The first exhaust valve 5 can exhaust air in the first suspension cylinder 1 and the first pipeline; the second exhaust valve 6 can exhaust the air in the second suspension cylinder 2, the third pipeline and the second pipeline so as to prevent the suspension system from instable due to the air; and the exhaust valve has simple structure, convenient installation and low cost.
Further, a first dust-proof joint 308 is connected to the second on-off valve 305.
Opening the second on-off valve 305 realizes the communication between the first rod cavity 103 and the external atmosphere, thereby ensuring that the hydraulic oil in the first rod cavity 103 can be completely emptied through the manual pump assembly 4; the first dust-proof joint 308 can prevent dust and impurities in the outside air from entering the first rod cavity 103 through the second on-off valve 305, so that the running reliability and stability of the suspension system are ensured.
Further, a second dust-proof joint 7 is connected to the second rod chamber 203 of the second suspension cylinder 2.
The second dust-proof joint 7 can prevent dust and impurities in the outside air from entering the second rod cavity 203, so that the running reliability and stability of the suspension system are ensured.
In certain embodiments of the utility model, the suspension system further comprises a manual pump assembly 4; the manual pump assembly 4 includes a manual pump 401 and a main oil delivery connection 402. The manual pump 401 is in communication with the main oil delivery connection 402 via a fourth line. The main oil delivery joint 402 is capable of being connected with the first oil delivery joint 302, the second oil delivery joint 303 and the third oil delivery joint 304 in an adapting manner.
Because of long-time operation, the hydraulic oil in the suspension system can be leaked in a trace amount. The suspension system realizes that hydraulic oil is manually and periodically supplemented to the first suspension cylinder 1 and the second suspension cylinder 2 by arranging the manual pump assembly 4, thereby effectively ensuring the reliable operation of the suspension system.
Through set up main oil delivery joint 402 on manual pump 401, the intercommunication sets up the first oil delivery joint 302 that is connected with main oil delivery joint 402 adaptation in first pipeline, and then has realized the quick switch-on of manual pump 401 and first pipeline, and then convenient quick realization is to first pipeline and the interior supplementary hydraulic oil of first rodless cavity 102 through manual pump assembly 4.
Similarly, through the second oil delivery connector 303 which is connected with the main oil delivery connector 402 in an adaptive manner and is communicated with the second pipeline, the manual pump 401 is further quickly connected with the second pipeline, and the hydraulic oil is further quickly and conveniently supplemented into the second pipeline through the manual pump assembly 4.
Similarly, through the third oil delivery connector 304 which is communicated with the main oil delivery connector 402 in the third pipeline in an adaptive manner, the manual pump 401 is further quickly connected with the third pipeline, and the hydraulic oil is further quickly and conveniently injected into the third pipeline and the first rod cavity 103 or emptied through the manual pump assembly 4.
In some embodiments of the present utility model, the manual pump assembly 4 further comprises a pressure gauge 403. The pressure gauge 403 is connected to the fourth line.
The suspension system is filled with hydraulic oil by the manual pump 401 or is drained of hydraulic oil. When the manual pump assembly 4 is communicated with the suspension system, the oil pressure in the suspension system can be observed rapidly and intuitively through the pressure gauge 403, and then the supplementary hydraulic oil quantity is accurately managed and controlled.
It should be noted that, in addition to the hydraulic oil being supplied to the suspension system by the manual pump assembly 4, a common hydraulic station or source may be used to supply hydraulic oil to the suspension system.
Further, the manual pump assembly 4 further includes a third on-off valve 404; the third cut-off valve is connected in parallel with the manual pump 401.
The third three-way shut-off valve 404 is opened to drain hydraulic oil from the suspension system through the manual pump assembly 4.
The third cut-off valve 404 may be any one of a cut-off valve, a manual cartridge valve, and a manual spool valve.
Further, the stop valve is a plate type stop valve.
In certain embodiments of the present utility model, the control valve block 3 further comprises a first pressure tap 306 and a second pressure tap 307. The first pressure tap 306 communicates to the first conduit. The second pressure tap 307 communicates to the second pipeline.
The oil pressure in the first pipeline and the oil pressure in the second pipeline can be detected conveniently and rapidly through the first pressure measuring connector 306 and the second pressure measuring connector 307 respectively, and whether leakage conditions occur in the suspension system is detected, so that maintenance and overhaul are performed, and the working stability and reliability of the suspension system are guaranteed.
It should be noted that, the control valve group 3 further includes a control valve block 309; the first on-off valve 301, the second oil delivery joint 303, the third oil delivery joint 304, the second on-off valve 305, the first pressure measuring joint 306, the second pressure measuring joint 307, and the first dust-proof joint 308 are all provided in the control valve block 309.
In some embodiments of the present utility model, the first conduit communicates with the communication conduit of the first rodless chamber 102 via the first hydraulic hose 8. The quick communication between the first rodless cavity 102 and the first pipeline is realized by arranging the first hydraulic rubber pipe 8.
Further, the second pipeline is communicated with the communication pipeline of the second rodless cavity 202 through a second hydraulic rubber pipe 9. The quick communication of the second rodless chamber 202 with the second pipe is achieved by providing the second hydraulic hose 9.
Further, the third pipeline is communicated with the communication pipeline of the first rod cavity 103 through the third hydraulic rubber pipe 10. By providing the third hydraulic hose 10, a quick communication of the first rod chamber 103 with the third pipeline is achieved.
In summary, the present utility model also provides an AGV including a drive wheel and a suspension system for biasing the drive wheel against the ground; the suspension system is the suspension system described above.
Since the AGV has the suspension system described above, the beneficial effects of the AGV due to the suspension system are described above and will not be described in detail herein.
The components, arrangements, etc. referred to in this disclosure are only illustrative examples and are not intended to require or imply that the connections, arrangements, configurations must be made in the manner shown in the drawings. These components, devices, may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are words of openness and mean "including but not limited to," and are used interchangeably therewith. The terms "or" and "as used herein refer to and are used interchangeably with the term" and/or "unless the context clearly indicates otherwise. The term "such as" as used herein refers to, and is used interchangeably with, the phrase "such as, but not limited to.
It should also be noted that in the device of the present utility model, the components may be disassembled and/or reassembled. Such decomposition and/or recombination should be considered as equivalent aspects of the present utility model.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the utility model. Thus, the present utility model is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit embodiments of the utility model to the form disclosed herein. Although a number of example aspects and embodiments have been discussed above, a person of ordinary skill in the art will recognize certain variations, modifications, alterations, additions, and subcombinations thereof.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model, but rather to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model 。
Claims (10)
1. A suspension system for abutting a drive wheel to a ground surface; characterized by comprising the following steps:
a first suspension cylinder (1); a first piston rod (101) of the first suspension cylinder (1) is used for pressing against a first driving wheel;
a second suspension cylinder (2); a second piston rod (201) of the second suspension cylinder (2) is used for pressing against a second driving wheel;
wherein the first rodless cavity (102) of the first suspension cylinder (1) is communicated with the second rodless cavity (202) of the second suspension cylinder (2).
2. Suspension system according to claim 1, further comprising a control valve group (3); the control valve group (3) comprises a first pipeline, a second pipeline and a first on-off valve (301);
the first on-off valve (301) is connected between the first pipeline and the second pipeline;
the first conduit being capable of communicating with the first rodless cavity (102);
the second conduit is capable of communicating with the second rodless cavity (202).
3. Suspension system according to claim 2, characterized in that the control valve group (3) further comprises a second oil delivery connection (303); the second oil delivery joint (303) is communicated to the second pipeline.
4. A suspension system according to claim 3, wherein the control valve group (3) further comprises a first oil delivery connection (302), a third pipe, a third oil delivery connection (304), a second break valve (305);
the third pipeline can be communicated with a first rod cavity (103) of the first suspension cylinder (1);
the first oil delivery joint (302) is communicated to the first pipeline;
the third oil delivery joint (304) is communicated to the third pipeline;
the second on-off valve (305) is communicated to the third pipeline and is connected with the third oil delivery joint (304) in parallel.
5. The suspension system of claim 4, wherein the suspension system comprises a suspension system,
the first rodless cavity (102) is communicated with a first exhaust valve (5); the second rodless cavity (202) is communicated with a second exhaust valve (6);
and/or the number of the groups of groups,
a first dustproof joint (308) is connected to the second on-off valve (305);
and/or the number of the groups of groups,
the second rod cavity (203) of the second suspension cylinder (2) is connected with a second dustproof joint (7).
6. Suspension system according to claim 4 or 5, further comprising a manual pump assembly (4); the manual pump assembly (4) comprises a manual pump (401) and a main oil delivery joint (402);
the manual pump (401) is communicated with the main oil delivery joint (402) through a fourth pipeline;
the main oil delivery joint (402) can be respectively connected with the first oil delivery joint (302), the second oil delivery joint (303) and the third oil delivery joint (304) in an adapting way.
7. The suspension system of claim 6, wherein the suspension system comprises a suspension system,
the manual pump assembly (4) further comprises a pressure gauge (403); the pressure gauge (403) is communicated to the fourth pipeline;
and/or the number of the groups of groups,
the manual pump assembly (4) further comprises a third on-off valve (404); the third on-off valve is connected with the manual pump (401) in parallel.
8. The suspension system according to claim 2, wherein the control valve group (3) further comprises a first pressure tap (306) and a second pressure tap (307);
the first pressure measuring joint (306) is communicated to the first pipeline;
the second pressure tap (307) is connected to the second pipeline.
9. Suspension system according to any one of claims 4, 5, 7, characterized in that,
the first pipeline is communicated with the communication pipeline of the first rodless cavity (102) through a first hydraulic rubber pipe (8);
the second pipeline is communicated with the communication pipeline of the second rodless cavity (202) through a second hydraulic rubber pipe (9);
the third pipeline is communicated with the communication pipeline of the first rod cavity (103) through a third hydraulic rubber pipe (10).
10. An AGV includes a drive wheel and a suspension system that presses the drive wheel against a floor; characterized in that the suspension system is a suspension system according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320344320.3U CN219505811U (en) | 2023-02-16 | 2023-02-16 | Suspension and AGV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320344320.3U CN219505811U (en) | 2023-02-16 | 2023-02-16 | Suspension and AGV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219505811U true CN219505811U (en) | 2023-08-11 |
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ID=87527137
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320344320.3U Active CN219505811U (en) | 2023-02-16 | 2023-02-16 | Suspension and AGV |
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| Country | Link |
|---|---|
| CN (1) | CN219505811U (en) |
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2023
- 2023-02-16 CN CN202320344320.3U patent/CN219505811U/en active Active
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