CN220265123U - Lifting device of working vehicle and wall washing vehicle - Google Patents
Lifting device of working vehicle and wall washing vehicle Download PDFInfo
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- CN220265123U CN220265123U CN202322319586.5U CN202322319586U CN220265123U CN 220265123 U CN220265123 U CN 220265123U CN 202322319586 U CN202322319586 U CN 202322319586U CN 220265123 U CN220265123 U CN 220265123U
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- 238000005406 washing Methods 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 117
- 238000005096 rolling process Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 11
- 238000004140 cleaning Methods 0.000 description 20
- 230000000712 assembly Effects 0.000 description 9
- 238000000429 assembly Methods 0.000 description 9
- 230000005484 gravity Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
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Abstract
The utility model belongs to the technical field of working vehicles, and particularly relates to a lifting device and a wall washing vehicle of a working vehicle, wherein the working vehicle comprises a frame, a platform and an executing mechanism, the lifting device comprises a slewing mechanism and a lifting mechanism, and the top of the slewing mechanism is connected with the platform and is used for driving the platform to rotate in a horizontal plane; the bottom end of the lifting mechanism is arranged on the frame, and the top is connected with the bottom of the slewing mechanism and is used for driving the slewing mechanism to lift along the height direction; or the bottom of the slewing mechanism is arranged on the frame, the top of the slewing mechanism is connected with the bottom end of the lifting mechanism and is used for driving the lifting mechanism to rotate in the horizontal plane, and the top of the lifting mechanism is connected with the platform and is used for driving the platform to lift along the height direction. In the actual operation process, the adjustment of the space positions of the platform and the actuating mechanism is realized through the lifting device, and the platform is arranged to allow the obstacle to pass through when the actuating mechanism operates, so that the position adjustment process of the actuating mechanism is simplified, and the operation efficiency of the operation vehicle is further improved.
Description
Technical Field
The utility model belongs to the technical field of working vehicles, and particularly relates to a lifting device of a working vehicle and a wall washing vehicle.
Background
With technological progress and technological development, the mechanical degree of operation is gradually improved, and cleaning, maintenance and replacement operations on road tunnel walls, urban overhead sound insulation screens, road middle guardrails, bridge guardrails and the like are gradually performed by adopting operation vehicles. The working vehicle runs on the road and works the surrounding facilities beside the road through the corresponding executive mechanism. However, a lighting device is generally provided on the road side, and the lighting device interferes with the work while the work vehicle is working.
The position of the actuating mechanism of the working vehicle is adjusted to avoid the lighting equipment by manually observing the position of the lighting equipment, and the position of the actuating mechanism is adjusted by the working vehicle in the prior art through the multi-section arm support mechanism and the working vehicle does not have a lifting function, so that the position adjustment process of the actuating mechanism is complicated when the working vehicle passes through an obstacle every time, and the working efficiency of the working vehicle is affected.
Disclosure of Invention
The utility model mainly aims to provide a lifting device of a working vehicle and a wall washing vehicle, and aims to solve the technical problem that in the prior art, the position of an actuating mechanism is complicated to adjust, so that the working efficiency is low.
In order to achieve the above object, the present utility model provides a lifting device of a working vehicle, the wall washing vehicle includes a frame, a platform and an actuator, the lifting device is mounted on the frame, the top of the lifting device is connected with the platform, the platform is connected with the actuator, the lifting device includes a lifting mechanism and a slewing mechanism, wherein the top of the slewing mechanism is connected with the platform and is used for driving the platform to rotate in a horizontal plane; the bottom end of the lifting mechanism is arranged on the frame, and the top of the lifting mechanism is connected with the bottom of the slewing mechanism and is used for driving the slewing mechanism to lift along the height direction; or the bottom of the slewing mechanism is arranged on the frame, the top of the slewing mechanism is connected with the bottom end of the lifting mechanism and is used for driving the lifting mechanism to rotate in a horizontal plane, and the top of the lifting mechanism is connected with the platform and is used for driving the platform to lift along the height direction.
In an embodiment of the utility model, the lifting mechanism comprises:
the telescopic arm comprises a telescopic section and a fixed section which are in telescopic nesting fit, the fixed section is arranged on the frame, the telescopic section is connected with the slewing mechanism or the fixed section is arranged on the slewing mechanism, and the telescopic section is connected with the platform; and
the telescopic driving piece is used for driving the telescopic section and the fixed section to be in telescopic fit along the vertical direction.
In an embodiment of the present utility model, the number of the telescopic arms and the number of the connecting members are one, and the telescopic driving member is disposed in the telescopic arms.
In an embodiment of the present utility model, the number of the telescopic arms is at least two and a plurality of the telescopic arms are arranged at intervals, and the lifting mechanism further includes a connecting member, where the connecting member is used to connect the telescopic section of the telescopic arm with the driving end of the telescopic driving member.
In the embodiment of the utility model, the connecting piece is a rectangular frame, and the number of the telescopic arms is four and the telescopic arms are respectively positioned at four corner points of the rectangular frame.
In an embodiment of the present utility model, the number of the telescopic driving members is two and the telescopic driving members are respectively arranged between the two telescopic arms positioned on the same short side of the rectangular frame, and the telescopic driving members are arranged between the two telescopic armsThe driving end of the driving piece is connected with the bottom of the connecting piece ， The fixed end of the telescopic driving piece is provided with a mounting seat and is connected with the fixed section.
In an embodiment of the utility model, a sliding block is arranged between the inner peripheral wall of the fixed section and the outer peripheral wall of the telescopic section.
In an embodiment of the utility model, the swing mechanism includes:
a fixed plate;
the rotating disc is coaxially and rotatably connected with the fixed disc; and
and the rotation driving piece is used for driving the rotation disc to rotate in a horizontal plane.
The bottom of the fixed disc is connected with the frame, the top of the rotating disc is connected with the lifting mechanism, or the bottom of the fixed disc is connected with the lifting mechanism, and the top of the rotating disc is connected with the platform.
In an embodiment of the utility model, a wall washing vehicle is further provided, which comprises the lifting device of the working vehicle, the platform and the actuating mechanism, wherein the actuating mechanism is a cleaning mechanism, and the platform is used for allowing an obstacle to pass through when the cleaning mechanism cleans a wall surface.
In an embodiment of the utility model, the cleaning and cleaning mechanism comprises a rotating assembly and a rolling brush assembly, wherein the rotating assembly is used for switching the working posture and the vehicle collecting posture of the rolling brush assembly.
Through the technical scheme, the lifting device for the working vehicle provided by the embodiment of the utility model has the following beneficial effects:
the platform is arranged to allow the obstacle to pass through when the executing mechanism works, so that the executing mechanism is prevented from being interfered by the obstacle when the executing mechanism works, and the working efficiency of the working vehicle is improved; the lifting mechanism is arranged to adjust the heights of the platform and the actuating mechanism to the working height, and the slewing mechanism is arranged to adjust the platform and the actuating mechanism to face the working side, so that the adjustment of the space positions of the platform and the actuating mechanism is realized. In the actual operation process, the obstacle is enabled to pass through the cooperation of the lifting device and the platform and can keep a continuous operation state, so that the position adjustment process of the actuating mechanism is simplified, and the operation efficiency is improved.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide an understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:
fig. 1 is a schematic view of a lifting device according to a first embodiment of the present utility model;
fig. 2 is a schematic view of a lifting device according to a second embodiment of the present utility model;
FIG. 3 is a schematic view of an operational attitude of a wall washer according to one embodiment of the present utility model;
fig. 4 is a schematic view of a vehicle receiving posture of a wall washer according to an embodiment of the present utility model.
Description of the reference numerals
| Reference numerals | Name of the name | Reference numerals | Name of the name |
| 100 | Wall washing vehicle | 41 | Lifting mechanism |
| 1 | Frame of bicycle | 411 | Telescopic arm |
| 2 | Platform | 412 | Connecting piece |
| 3 | Cleaning mechanism | 413 | Telescopic driving piece |
| 31 | Rotating assembly | 414 | Mounting base |
| 32 | Rolling brush assembly | 42 | Rotary mechanism |
| 4 | Lifting device |
Detailed Description
Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present utility model.
The lifting device 4 and the wall washer 100 of the work vehicle according to the present utility model are described below with reference to the drawings.
As shown in fig. 1 and 2, in an embodiment of the present utility model, the present utility model provides a lifting device 4 of a working vehicle, the working vehicle includes a frame 1, a platform 2 and an actuator, the lifting device 4 is mounted on the frame 1, the top of the lifting device 4 is connected with the platform 2, and the platform 2 is connected with the actuator. The lifting device 4 comprises a slewing mechanism 42 and a lifting mechanism 41, wherein the top of the slewing mechanism 42 is connected with the platform 2 and is used for driving the platform 2 to rotate in a horizontal plane; the bottom end of the lifting mechanism 41 is arranged on the frame 1, and the top is connected with the bottom of the slewing mechanism 42 and is used for driving the slewing mechanism 42 to lift along the height direction; or the bottom of the slewing mechanism 42 is mounted on the frame 1, and the top is connected with the bottom end of the lifting mechanism 41 and used for driving the lifting mechanism 41 to rotate in the horizontal plane, and the top of the lifting mechanism 41 is connected with the platform 2 and used for driving the platform 2 to lift along the height direction.
Specifically, the adjustment of the spatial positions of the platform 2 and the actuator is achieved by providing the lifting mechanism 41 to adjust the heights of the platform 2 and the actuator to the working height, and by providing the slewing mechanism 42 to adjust the platforms 2 and the actuators to face the working side. In the actual operation process, the obstacle is enabled to pass through the cooperation of the lifting device 4 and the platform 2 and can keep a continuous operation state, so that the position adjustment process of the actuating mechanism is simplified, and the operation efficiency is improved.
In the embodiment of the present utility model, the working vehicle may be a wall washing vehicle 100, a wall maintenance vehicle, etc., for convenience of description, the working vehicle is hereinafter referred to as a wall washing vehicle 100, the executing mechanism is a cleaning mechanism 2, the bottom of the lifting mechanism 31 is mounted on the frame 1, and the technical scheme that the top is connected with the bottom of the slewing mechanism 42 and is used for driving the slewing mechanism 42 to lift in the height direction is described as a specific embodiment, but the protection scope of the present utility model is not limited.
In the embodiment of the present utility model, the lifting mechanism 41 includes:
the telescopic arm 411 comprises a telescopic section and a fixed section which are in telescopic nesting fit, the fixed section is arranged on the frame, the telescopic section is connected with the slewing mechanism or the fixed section is arranged on the slewing mechanism, and the telescopic section is connected with the platform; and
the telescopic driving piece is used for driving the telescopic section and the fixed section to be in telescopic fit along the vertical direction.
Specifically, since the height of a part of the wall surface is high, in order to be able to complete the cleaning operation of the high wall surface, the height of the telescopic end of the telescopic arm 411 after extension needs to reach the wall surface height, and the height of the wall washing vehicle 100 in the vehicle-retracted state cannot exceed the regulated height of the regulations; to ensure stability of the platform 2, the telescoping arm 411 needs to have high structural strength and cannot interfere with other components on the wall washer 100. In summary, the telescopic arm 411 needs to have a larger telescopic amount to complete the cleaning task in each direction, and has enough stability after the telescopic operation is completed, so the telescopic arm 411 with a larger cross section needs to be designed, but the telescopic arm 411 with a larger cross section needs to be avoided from interfering with other components on the frame 1, and the following two embodiments are provided according to practical requirements:
in the first embodiment of the present utility model, as shown in fig. 1, the number of the telescopic arms 411 and the connection members 412 is one, and the telescopic driving member 413 is provided in the telescopic arms 411.
Specifically, the telescopic arm 411 includes a fixed section and a telescopic section that are in telescopic nesting fit, the telescopic driving member 413 adopts a telescopic cylinder, the telescopic cylinder is installed in the fixed section, and a telescopic end of the telescopic cylinder is connected with the telescopic section. Because of the use of a single telescopic arm 411, the telescopic arm 411 has a large cross section, resulting in the need to remove or move away the parts of the frame 1 that interfere with the telescopic arm 411, which might affect the strength of the frame 1, and thus the frame 1 needs to be modified to ensure its strength.
Further, to ensure stability of the platform 2 at the top of the telescopic arm 411, the center of gravity of the platform 2, the center of the connecting piece 412 and the center of the telescopic arm 411 need to coincide.
In the second embodiment of the present utility model, as shown in fig. 2, the number of the telescopic arms 411 is at least two, and the plurality of telescopic arms 411 are arranged at intervals, and the lifting mechanism 41 further includes a connecting member 412, where the connecting member 412 is used to connect the telescopic section of the telescopic arm 411 with the driving end of the telescopic driving member 413.
Specifically, the connecting member 412 is a rectangular frame, the number of the telescopic arms 411 is four and are respectively located at four corner points of the rectangular frame, the number of the telescopic driving members 413 is two and are respectively arranged between the two telescopic arms 411 located at the same short side of the rectangular frame, and the driving end of the telescopic driving member 413 is connected with the bottom of the connecting member 412 ， The fixed end of the telescopic driving piece 413 is provided with a mounting seat 414 which is connected with the fixed section. And a mounting seat 414 is respectively arranged between the fixed end of each telescopic driving piece 413 and two adjacent fixed sections, the mounting seat 414 is sleeved on the peripheral wall of each fixed section, and one side of the mounting seat 414 facing the telescopic driving piece 413 is provided with a threaded hole in threaded connection with the telescopic driving piece 413. The bottom of the fixed section is arranged on the frame 1, the top of the telescopic section is connected with four corner points of the connecting piece 412, and the telescopic driving piece 413 drives the telescopic arm 411 to move in a telescopic way by lifting the connecting piece 412. The lifting action is completed through synchronous operation of the two telescopic cylinders, and the stability of the connecting piece 412 in the lifting process is kept through four telescopic arms 411 positioned at the corner points, so that the stability of the platform 2 is ensured.
Further, since four telescopic arms 411 are adopted, the load of each telescopic arm 411 is reduced, so that the cross section of each telescopic arm 411 is smaller, and other components on the frame 1 can be arranged in the space formed by the four telescopic arms 411 and the connecting piece 412, so that the interference between other components on the frame 1 and the telescopic arms 411 can be avoided. Since the connection member 412 is a rectangular frame, it is necessary to coincide the center of gravity of the platform 2 with the center of the rectangular frame at the time of installation, thereby securing the stability of the platform 2.
In the embodiment of the utility model, the sliding block is arranged between the inner peripheral wall of the fixed section and the outer peripheral wall of the telescopic section, and a gap is formed between the fixed section and the telescopic section of the telescopic arm 411 by arranging the sliding block, so that flexible telescopic operation of the telescopic section and the fixed section is ensured, and the shaking amplitude of the fixed section and the telescopic section is reduced.
In an embodiment of the present utility model, the swing mechanism 42 includes a fixed disk, a rotating disk, and a rotating drive, wherein the fixed disk is connected to the connection 412; the rotating disc is coaxially and rotatably connected with the fixed disc, and the top of the rotating disc is connected with the platform 2; the rotation driving piece is used for driving the rotation disc to rotate in the horizontal plane.
Specifically, the rotation driving piece adopts a servo motor, and the accuracy of the rotation angle is ensured through the servo motor. To further ensure the stability of the platform 2 at the top of the rotor, the center of gravity of the platform 2, the center of rotation of the rotor, the center of the connector 412 and the center of the telescopic arm 411 are all on the same straight line.
In an embodiment of the utility model, the lifting device 4 further comprises a control unit electrically connected to both the telescopic driving member 413 and the rotary driving member and configured to: when the wall washing vehicle 100 works, the telescopic driving piece 413 and the rotary driving piece are controlled to act so as to drive the platform 2 to a preset washing position.
Specifically, the control unit controls the telescopic driving piece 413 and the rotary driving piece to complete switching of the operation posture and the vehicle collection posture of the wall washing vehicle 100: when the wall washing vehicle 100 works, the driving end of the telescopic driving piece 413 is controlled to lift the platform 2 and the cleaning mechanism 3 to a preset height, and the driving end of the rotary driving piece is controlled to rotate the platform 2 and the cleaning mechanism 3 to one side facing the wall surface; when passing through an obstacle, the telescopic component is controlled to perform obstacle avoidance action; when the operation of the wall washing vehicle 100 is completed, the telescopic driving piece 413 and the rotary driving piece are controlled to complete the retraction of the platform 2 and the washing mechanism 3.
In an embodiment of the utility model, there is also provided a wall washer 100 comprising a lifting device 4, a frame 1, a platform 2 and a washing mechanism 3 of a work vehicle as described above. Since the wall washing car 100 adopts all embodiments of the lifting device 4 described above, it has all the advantageous effects brought by the lifting device 4.
Specifically, the platform 2 is arranged to allow the obstacle to pass through when the cleaning mechanism 3 cleans the wall surface, so that the cleaning mechanism 3 is prevented from being interfered by the obstacle during operation, and the operation efficiency of the operation wall washing vehicle 100 is improved; further explaining the obstacle avoidance process of the platform 2: the platform 2 comprises a plurality of groups of telescopic assemblies, the telescopic assemblies stretch out and draw back according to the distance between the telescopic assemblies and an obstacle in the wall surface cleaning process, so that the telescopic assemblies are connected or separated from the cleaning mechanism 3, when the obstacle approaches one of the telescopic assemblies, the telescopic assemblies contract to separate from the cleaning mechanism 3 to form a gap for the obstacle to pass through, after the obstacle passes through the gap, the telescopic assemblies stretch out to reconnect the cleaning mechanism 3, and the follow-up telescopic assemblies repeat the working process until the obstacle completely passes through all the telescopic assemblies, so that the cleaning operation of the cleaning mechanism 3 is not influenced while the obstacle avoidance function is realized.
Further, the cleaning mechanism comprises a rotating assembly 31 and a rolling brush assembly 32, and the rotating assembly 31 is used for switching the working posture and the vehicle collecting posture of the rolling brush assembly 32.
As shown in fig. 3 and 4, in the embodiment of the present utility model, the retracted posture of the wall washing vehicle 100 is that the lifting mechanism 41 is located at the lowest height, the rolling brush assembly 32 is located above the frame 1, and when the wall washing vehicle 100 needs to switch the working posture: the lifting mechanism 41 lifts the platform 2 to a proper height, the slewing mechanism 42 rotates the platform 2 to a side facing the obstacle, and the rotating assembly 31 rotates the rolling brush assembly 32 to a side facing the obstacle.
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (10)
1. The lifting device of the working vehicle is characterized by comprising a frame (1), a platform (2) and an actuating mechanism, wherein the lifting device (4) is installed on the frame (1), the top of the lifting device (4) is connected with the platform (2), the platform (2) is connected with the actuating mechanism, the lifting device (4) comprises a lifting mechanism (41) and a slewing mechanism (42), the top of the slewing mechanism (42) is connected with the platform (2) and is used for driving the platform (2) to rotate in a horizontal plane, the bottom end of the lifting mechanism (41) is installed on the frame (1), and the top is connected with the bottom of the slewing mechanism (42) and is used for driving the slewing mechanism (42) to lift in the height direction; or (b)
The bottom of the slewing mechanism (42) is mounted on the frame (1), the top of the slewing mechanism is connected with the bottom end of the lifting mechanism (41) and used for driving the lifting mechanism (41) to rotate in a horizontal plane, and the top of the lifting mechanism (41) is connected with the platform (2) and used for driving the platform (2) to lift in the height direction.
2. The lifting device of a work vehicle according to claim 1, wherein the lifting mechanism (41) comprises:
the telescopic arm (411) comprises a telescopic section and a fixed section which are in telescopic nesting fit, the fixed section is arranged on the frame (1), the telescopic section is connected with the slewing mechanism (42) or the fixed section is arranged on the slewing mechanism (42), and the telescopic section is connected with the platform (2); and
and the telescopic driving piece (413) is used for driving the telescopic section and the fixed section to be in telescopic fit along the vertical direction.
3. The lifting device of a work vehicle according to claim 2, characterized in that the number of telescopic arms (411) and telescopic drives (413) is one, the telescopic drives (413) being arranged in the telescopic arms (411).
4. Lifting device for a work vehicle according to claim 2, characterized in that the number of telescopic arms (411) is at least two and a plurality of telescopic arms (411) are arranged at intervals, the lifting mechanism (41) further comprising a connecting element (412), the connecting element (412) being adapted to connect a telescopic section of the telescopic arms (411) with the drive end of the telescopic drive element (413).
5. The lifting device of a work vehicle according to claim 4, characterized in that the connection piece (412) is a rectangular frame, and the number of telescopic arms (411) is four and is located at four corner points of the rectangular frame, respectively.
6. The work vehicle of claim 5Is characterized in that the number of the telescopic driving pieces (413) is two and the telescopic driving pieces are respectively arranged between the two telescopic arms (411) positioned on the same short side of the rectangular frame, and the driving end of the telescopic driving piece (413) is connected with the bottom of the connecting piece (412) ， The fixed end of the telescopic driving piece (413) is provided with a mounting seat (414) which is connected with the fixed section.
7. The lifting device of a work vehicle according to claim 2, wherein a slider is provided between an inner peripheral wall of the fixed section and an outer peripheral wall of the telescopic section.
8. The lifting device of a work vehicle according to claim 1, wherein the swing mechanism (42) includes:
a fixed plate;
the rotating disc is coaxially and rotatably connected with the fixed disc; and
the rotating driving piece is used for driving the rotating disc to rotate in a horizontal plane;
the bottom of the fixed disc is connected with the frame (1), the top of the rotating disc is connected with the lifting mechanism (41), or the bottom of the fixed disc is connected with the lifting mechanism (41), and the top of the rotating disc is connected with the platform (2).
9. Wall washing vehicle, characterized by comprising a lifting device (4) of a working vehicle according to any of claims 1-8, the platform (2) and the actuator, wherein the actuator is a washing mechanism (3), the platform (2) being adapted to allow obstacles to pass when the washing mechanism (3) is washing a wall surface.
10. Wall washing vehicle according to claim 9, characterized in that the washing mechanism (3) comprises a rotating assembly (31) and a rolling brush assembly (32), the rotating assembly (31) being used for switching the working posture and the vehicle collecting posture of the rolling brush assembly (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322319586.5U CN220265123U (en) | 2023-08-28 | 2023-08-28 | Lifting device of working vehicle and wall washing vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322319586.5U CN220265123U (en) | 2023-08-28 | 2023-08-28 | Lifting device of working vehicle and wall washing vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220265123U true CN220265123U (en) | 2023-12-29 |
Family
ID=89314115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322319586.5U Active CN220265123U (en) | 2023-08-28 | 2023-08-28 | Lifting device of working vehicle and wall washing vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220265123U (en) |
-
2023
- 2023-08-28 CN CN202322319586.5U patent/CN220265123U/en active Active
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