CN210193251U - Operating mechanism of lorry-mounted crane, lorry-mounted crane and lorry-mounted crane transport vehicle - Google Patents
Operating mechanism of lorry-mounted crane, lorry-mounted crane and lorry-mounted crane transport vehicle Download PDFInfo
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- CN210193251U CN210193251U CN201920324751.7U CN201920324751U CN210193251U CN 210193251 U CN210193251 U CN 210193251U CN 201920324751 U CN201920324751 U CN 201920324751U CN 210193251 U CN210193251 U CN 210193251U
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Abstract
The application provides operating device, lorry crane and lorry crane jack transport vechicle of lorry crane, lorry crane's operating device includes: the device comprises a first operating structure, a second operating structure, a boarding multi-way valve and a support leg multi-way valve; the first operating structure comprises a plurality of first linkage mechanisms, each first linkage mechanism comprises a first operating rod and a first pull rod, one end of each first pull rod is hinged with one end of each first operating rod, and the other end of each first pull rod is hinged with one valve core of the multi-way valve on the vehicle; the second operating structure comprises a plurality of second linkage mechanisms, each second linkage mechanism comprises a second operating rod and a second pull rod, one end of each second pull rod is hinged with one end of each second operating rod, and the other end of each second pull rod is hinged with one valve core of the support leg multi-way valve; the first operating rod and the second operating rod are arranged on one side of the lorry-mounted crane in the vicinity of each other. The problem of among the prior art landing leg operating device and get on bus operating device separately set up, inconvenient operation is solved.
Description
Technical Field
The utility model relates to an engineering machine tool field especially relates to an operating device, lorry crane and lorry-mounted jack-up transport vechicle of lorry crane.
Background
The lorry-mounted crane transport vehicle generally comprises a lorry-mounted crane and an automobile chassis, wherein the lorry-mounted crane is assembled on the automobile chassis and is positioned between a cab and a carriage. Lorry crane includes landing leg mechanism, hoisting mechanism, landing leg operating device and operating device that gets on bus, landing leg mechanism and hoisting mechanism install on vehicle chassis, hoisting mechanism includes jack-up structure and revolution mechanic, jack-up structure sets up on revolution mechanic, jack-up structure is used for promoting the heavy object, revolution mechanic is used for controlling the rotation of jack-up structure, landing leg mechanism need place the landing leg ground when jack-up operation and be used for keeping the safety and stability of lorry-mounted jack-up transport vehicle, when not using, get up the landing leg shrink and be convenient for the transportation.
In the prior art, the supporting leg operating mechanism is arranged on the supporting leg mechanism and used for controlling the folding and unfolding of the supporting legs, the boarding operating mechanism is arranged on the hoisting mechanism and used for controlling the rotation of the rotary structure and the hoisting structure to lift heavy objects, namely the boarding control of the heavy objects, the supporting leg operating mechanism and the boarding operating mechanism are separately arranged, and when the supporting leg operation and the boarding operation are carried out on the lorry-mounted crane, the supporting leg operating mechanism and the boarding operating mechanism need to be carried out at different positions, so that the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the application is expected to provide an operating mechanism of a lorry-mounted crane, the lorry-mounted crane and a lorry-mounted crane transport vehicle, and the problem that in the prior art, a support leg operating mechanism and a loading operating mechanism are separately arranged, and when the support leg operation and the loading operation are performed on the lorry-mounted crane, the support leg operation and the loading operation need to be performed at different positions, so that the operation is inconvenient is solved. In order to solve the above problem, the technical solution of the embodiment of the present application is implemented as follows:
the present application provides an operating mechanism of a lorry-mounted crane, the operating mechanism comprising: the device comprises a first operating structure, a second operating structure, a boarding multi-way valve and a support leg multi-way valve;
the first operating structure comprises a plurality of first linkage mechanisms, each first linkage mechanism comprises a first operating rod and a first pull rod, one end of each first pull rod is hinged with one end of each first operating rod, and the other end of each first pull rod is hinged with one valve core of the multi-way valve for getting on the vehicle;
the second operating structure comprises a plurality of second linkage mechanisms, each second linkage mechanism comprises a second operating rod and a second pull rod, one end of each second pull rod is hinged with one end of each second operating rod, and the other end of each second pull rod is hinged with one valve core of the support leg multi-way valve;
the first operating rod and the second operating rod are arranged on one side of the lorry-mounted crane in an adjacent mode.
Furthermore, the first linkage mechanism further comprises a third operating rod, a third pull rod and a first connecting piece, one end of the third pull rod is hinged to one end of the third operating rod, one end of the first connecting piece is fixedly connected with a valve core of the upper multi-way valve, the other end of the first pull rod and the other end of the third pull rod are both hinged to the other end of the first connecting piece, and the first operating rod and the third operating rod are arranged oppositely and are respectively located on two sides of the lorry-mounted crane;
the second linkage mechanism further comprises a fourth operating rod, a fourth pull rod and a second connecting piece, one end of the fourth pull rod is hinged to one end of the fourth operating rod, one end of the second connecting piece is fixedly connected with a valve core of the landing leg multi-way valve, the other end of the second pull rod and the other end of the fourth pull rod are hinged to the other end of the second connecting piece, and the second operating rod and the fourth operating rod are arranged oppositely and located on two sides of the lorry-mounted crane respectively.
Preferably, the first connecting piece is of an L shape, a valve core of the get-on multi-way valve is hinged to one end of the first connecting piece, the other end of the first pull rod is hinged to the other end of the first connecting piece, and the other end of the third pull rod is hinged to a corner of the first connecting piece.
Furthermore, the first linkage mechanism further comprises an installation part with a chute and a sensor, and the first connecting piece further comprises a sensing arm arranged opposite to the getting-on multi-way valve;
the induction arm penetrates through the sliding groove and can slide in the sliding groove;
the inductor is installed on the installation part and is used for inducing the position of the induction arm.
Preferably, the second connecting piece is of an 'I' shape, and a valve core of the support leg multi-way valve is hinged with one end of the second connecting piece.
Furthermore, the first operating structure further comprises a first fixed shaft, the second operating structure further comprises a second fixed shaft, one end of the first operating rod is pivoted with the first fixed shaft, and one end of the second operating rod is pivoted with the second fixed shaft;
the first operating structure further comprises a third fixing shaft, the second operating structure further comprises a fourth fixing shaft, one end of the third operating rod is pivoted with the third fixing shaft, and one end of the fourth operating rod is pivoted with the fourth fixing shaft.
Preferably, the get-on multi-way valve, the landing leg multi-way valve, the first fixed shaft, the second fixed shaft, the third fixed shaft and the fourth fixed shaft are all horizontally arranged;
the first operating rod and the third operating rod are both vertically arranged, and the second operating rod and the fourth operating rod are both horizontally arranged.
Further, the operating mechanism further comprises a first cover plate and a second cover plate, the first cover plate comprises a first through hole, the second cover plate comprises a second through hole, the operating end of the second operating rod penetrates through the first through hole, and the operating end of the fourth operating rod penetrates through the second through hole.
The present application further provides a lorry-mounted crane, which includes the operating mechanism described in any one of the above items, and the first linkage mechanism is located below the second linkage mechanism.
This application on the other hand still provides a lorry crane transport vechicle, lorry crane transport vechicle includes the chassis and the aforesaid lorry crane, lorry crane installs the rear end on chassis.
The application provides a lorry crane's operating device, lorry crane and lorry crane transport vechicle, with the adjacent setting of first action bars and second action bars in one side of lorry crane, solve among the prior art landing leg operating device and get on bus operating device and separately set up, when carrying out landing leg operation and getting on bus operation to lorry crane, need go on in the position of difference for the inconvenient problem of operation.
Drawings
FIG. 1 is a schematic structural diagram of an operating mechanism of a lorry-mounted crane in the embodiment of the application, and a sensor is not shown in the diagram;
FIG. 2 is a side view of FIG. 1, without the inductor;
FIG. 3 is a bottom view of FIG. 1, showing the sensor;
FIG. 4 is a schematic structural diagram of an on-board crane transporter in an embodiment of the present application;
fig. 5 is a side view of the truck of fig. 4.
Reference numerals: a lorry-mounted crane 100; an operating mechanism 1; a first operating configuration 11; the first linkage 111; a first operating lever 1111; a first pull rod 1112; the third operating lever 1113; a third pull rod 1114; a first connector 1115; a sensing arm 11151; a mounting portion 1116; a chute 11161; a first fixed shaft 112; a third fixed shaft 113; a second operating configuration 12; the second linkage mechanism 121; a second operation lever 1211; an operating end 12111; a second pull rod 1212; a fourth operating lever 1213; an operating end 12131; a fourth tie bar 1214; a second connector 1215; a second fixed shaft 122; a fourth fixed shaft 123; a get-on multi-way valve 13; a valve core 131; a support leg multiplex valve 14; a valve core 141; a first cover plate 15; a first through hole 151; a second cover plate 16; a second through hole 161; a chassis 200.
Detailed Description
The present application will now be described in further detail with reference to the accompanying drawings and specific examples. In the description of the present application, "plurality" means two or more; the directions or position relations of horizontal, vertical, upper, lower, left and right are based on the normal use state of the lorry-mounted crane transporter. It is to be understood that such directional terms are merely for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present application.
Referring to fig. 1 to 3, an embodiment of the present application provides an operating mechanism 1 of a lorry-mounted crane, including: a first operating structure 11, a second operating structure 12, a boarding multi-way valve 13 and a support leg multi-way valve 14;
the first operating structure 11 comprises a plurality of first linkages 111, each first linkage 111 comprises a first operating rod 1111 and a first pull rod 1112, one end of the first pull rod 1112 is hinged to one end of the first operating rod 1111, and the other end of the first pull rod 1112 is hinged to one valve spool 131 of the multi-way valve 13;
the second operation structure 12 includes a plurality of second linkage mechanisms 121, each of the second linkage mechanisms 121 includes a second operation rod 1211 and a second pull rod 1212, one end of the second pull rod 1212 is hinged to one end of the second operation rod 1211, and the other end of the second pull rod 1212 is hinged to one spool 141 of the leg multi-way valve 14;
the first and second operation levers 1111 and 1211 are disposed adjacent to one side of the lorry crane 100 (see fig. 4).
The operating mechanism of lorry-mounted crane that this application embodiment provided sets up the adjacent one side at lorry-mounted crane of first action bars and second action bars, and operating personnel can realize getting on the bus operation and landing leg receive and release simultaneously in a position, need not change operating position, convenient operation.
It should be noted that the first operating lever and the second operating lever are disposed adjacent to one side of the lorry-mounted crane, the first operating lever and the second operating lever may be disposed adjacent to one side of the lorry-mounted crane on the frame or the fixed leg, the first operating lever and the second operating lever may be disposed adjacent to one side of the lorry-mounted crane on the hoisting mechanism, the first operating lever and the second operating lever may be disposed adjacent to another mechanism on one side of the lorry-mounted crane, and the first operating lever and the second operating lever may be operated within a range in which an operator does not need to walk.
It can be understood that when there are a plurality of landing leg mechanisms, or the hoisting mechanism includes one or more control requirements of the telescopic, rotary, luffing and hoisting of the boom, at least one first linkage mechanism or second linkage mechanism may be correspondingly added, which are respectively used for controlling the plurality of landing leg mechanisms, or the telescopic, rotary, luffing and hoisting of the boom in the hoisting mechanism.
Further, the first linkage 111 further includes a third operating rod 1113, a third pull rod 1114 and a first connecting piece 1115, one end of the third pull rod 1114 is hinged to one end of the third operating rod 1113, one end of the first connecting piece 1115 is fixedly connected to the valve core 131 of the upper multi-way valve 13, the other end of the first pull rod 1112 and the other end of the third pull rod 1114 are both hinged to the other end of the first connecting piece 1115, and the first operating rod 1111 and the third operating rod 1113 are oppositely disposed and located on two sides of the lorry-mounted crane 100 respectively;
the second linkage 121 further includes a fourth operating rod 1213, a fourth link 1214 and a second connecting member 1215, one end of the fourth link 1214 is hinged to one end of the fourth operating rod 1213, one end of the second connecting member 1215 is fixedly connected to the spool 141 of the leg multi-way valve 14, the other end of the second link 1212 and the other end of the fourth link 1214 are both hinged to the other end of the second connecting member 1215, and the second operating rod 1211 and the fourth operating rod 1213 are disposed opposite to each other and located on two sides of the lorry-mounted crane 100.
First link gear is provided with first action bars and third action bars in lorry crane's both sides, two action bars are through first pull rod, first connecting piece, the third pull rod is connected to on the same case of getting on the bus multi-way valve, the transmission of mechanical force realizes coordinated control to the same case of getting on the bus multi-way valve from lorry crane's both sides through between the connecting rod, operating personnel all can realize the operation to first link gear in lorry crane's both sides, the operating position is nimble, the operation field of vision is wider, avoid the inconvenient operation that unilateral operation brought.
Similarly, the second link gear is provided with second action bars and fourth action bars in lorry crane's both sides, two action bars pass through the second pull rod, the second connecting piece, the fourth pull rod is connected to on the same case of landing leg multiple unit valve, the transmission of mechanical force realizes coordinated control to the same case of landing leg multiple unit valve from lorry crane's both sides through between the connecting rod, operating personnel all can realize the operation to second link gear in lorry crane's both sides, the operating position is nimble, the operation field of vision is wider, avoid the inconvenient operation that unilateral operation brought.
Preferably, the first connector 1115 is in an "L" shape, the valve core 131 of the getting-on multi-way valve 13 is hinged to one end of the first connector 1115, the other end of the first pull rod 1112 is hinged to the other end of the first connector 1115, and the other end of the third pull rod 1114 is hinged to a corner of the first connector 1115.
The first connecting piece is of an L shape, the corner angle of the first connecting piece of the L shape can be adjusted under the condition that the whole first linkage mechanism is not changed, so that the position of the first operating rod is changed, for example, when the first operating rod needs to be installed at a higher position, the corner angle of the first connecting piece of the L shape can be increased, under the condition that the position of the whole first linkage mechanism is not increased, the first operating rod can be installed at the higher position, and similarly, when the first operating rod needs to be installed at a lower position, the corner angle of the first connecting piece of the L shape can be decreased, so that the first operating rod can be installed at the lower position under the condition that the position of the whole first linkage mechanism is not reduced.
Further, the first linkage 111 further includes a mounting portion 1116 having a slide groove 11161 and a sensor (not shown), and one of the first connecting pieces 1115 further includes a sensing arm 11151 disposed opposite to the upper multi-way valve 13; the sensing arm 11151 passes through the sliding groove 11161 and can slide in the sliding groove 11161; the sensor is mounted on the mounting portion 1116 and is used for sensing the position of the sensing arm 11151.
Because lorry crane need satisfy the safety demand of getting on the bus operation, need the flexible speed of strict control davit under the load condition, consequently, when operating personnel implemented flexible operation, the first connecting piece motion of first action bars drive that corresponds to drive the response arm and slide in the spout, the response arm position change is sensed to the inductor, with signal transmission to controller, the flexible speed of control davit after the response signal was received to the controller.
Preferably, the second connection 1215 is "I" shaped, and the spool 141 of the leg multiplex valve 14 is hinged to one end of the second connection 1215.
The second connecting piece is "I" type, simple structure, and the machine-shaping of being convenient for, the other end of second pull rod and the other end of fourth pull rod all are articulated with the other end of second connecting piece, and the second connecting piece only needs to set up a pin joint. It is understood that the second link may also be "L" shaped, and the position of the second operating lever or the fourth operating lever can be changed by adjusting the angle of the corner of the "L" shaped second link without changing the entire second linkage.
Further, the first operating structure 11 further includes a first fixed shaft 112, the second operating structure 12 further includes a second fixed shaft 122, one end of the first operating rod 1111 is pivotally connected to the first fixed shaft 112, and one end of the second operating rod 1211 is pivotally connected to the second fixed shaft 122;
the first operating structure 11 further includes a third fixed shaft 113, the second operating structure 12 further includes a fourth fixed shaft 123, one end of the third operating rod 1113 is pivotally connected to the third fixed shaft 113, and one end of the fourth operating rod 1213 is pivotally connected to the fourth fixed shaft 123.
One end of the first operating rod is pivoted with the first fixed shaft, and when the first operating rod is pulled, the first operating rod rotates around the first fixed shaft; one end and the second fixed axle pin joint of second action bars, when pulling the second action bars, the second action bars rotates around the second fixed axle, the same reason, the third action bars rotates around the third fixed axle, the fourth action bars rotates around the fourth fixed axle, can understand ground, when a plurality of first link gear or second link gear, a plurality of first action bars can rotate around first fixed axle respectively, only need install a first fixed axle, can install one or more first action bars on the fixed axle, simple to operate, swiftly, the same reason, a plurality of second action bars can be installed on a second fixed axle, a plurality of third action bars can be installed on a third fixed axle, a plurality of second action bars can be installed on a fourth fixed axle.
Preferably, the get-on multi-way valve 13, the support leg multi-way valve 14, the first fixed shaft 112, the second fixed shaft 122, the third fixed shaft 113 and the fourth fixed shaft 123 are all horizontally arranged; first operating rod 1111 and third operating rod 1113 are both vertically arranged, and second operating rod 1211 and fourth operating rod 1213 are both horizontally arranged.
When a plurality of first linkage mechanisms or second linkage mechanisms exist, a plurality of rod pieces such as first operating rods, first pull rods, second operating rods and second pull rods exist, the boarding multi-way valve, the support leg multi-way valve, the first fixing shaft, the second fixing shaft, the third fixing shaft and the fourth fixing shaft are arranged horizontally, the first operating rods and the third operating rods are arranged vertically, the second operating rods and the fourth operating rods are arranged horizontally, and then layered arrangement in the horizontal direction is achieved among the first operating structure, the second operating structure, the boarding multi-way valve and the support leg multi-way valve.
Further, the operating mechanism 1 further includes a first cover 15 and a second cover 16, the first cover 15 includes a first through hole 151, the second cover 16 includes a second through hole 161, an operating end 12111 of the second operating lever 1211 passes through the first through hole 151, and an operating end 12131 of the fourth operating lever 1213 passes through the second through hole 161.
The first cover plate covers the joint of the first operating rod and the first fixed shaft and the joint of the second operating rod and the second fixed shaft, and the second cover plate covers the joint of the third operating rod and the third fixed shaft and the joint of the fourth operating rod and the fourth fixed shaft, so that the operating mechanism is attractive in appearance.
Referring to fig. 4 and 5, in an aspect of the embodiment of the present application, there is further provided a lorry-mounted crane 100, including the operating mechanism 1 provided in each of the embodiments, where the first linkage 111 is located below the second linkage 121.
The first linkage mechanism is used for controlling the boarding action of the lorry-mounted crane, the second linkage mechanism is used for controlling the supporting leg retracting action of the lorry-mounted crane, the second linkage mechanism is arranged above the supporting leg for short operation time and needs to be lifted, the boarding operation time is long, the first linkage mechanism is arranged below the supporting leg for better meeting the requirements of man-machine engineering, the lifting operation is not needed, and the long-time boarding action operation is convenient.
Another aspect of the embodiment of the present application further provides a lorry-mounted crane transport vehicle, which includes a chassis 200 and the lorry-mounted crane 100 provided in the foregoing embodiment, where the lorry-mounted crane 100 is installed at a rear end of the chassis 200.
The lorry-mounted crane is installed at the rear end on chassis, compares and installs the lorry-mounted crane between driver's cabin and carriage, has wider field of vision, the operation of being convenient for, in addition, the operating personnel's of still being convenient for removal.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and all the changes or substitutions should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. An operating mechanism for a lorry-mounted crane, said operating mechanism comprising: the device comprises a first operating structure, a second operating structure, a boarding multi-way valve and a support leg multi-way valve;
the first operating structure comprises a plurality of first linkage mechanisms, each first linkage mechanism comprises a first operating rod and a first pull rod, one end of each first pull rod is hinged with one end of each first operating rod, and the other end of each first pull rod is hinged with one valve core of the multi-way valve for getting on the vehicle;
the second operating structure comprises a plurality of second linkage mechanisms, each second linkage mechanism comprises a second operating rod and a second pull rod, one end of each second pull rod is hinged with one end of each second operating rod, and the other end of each second pull rod is hinged with one valve core of the support leg multi-way valve;
the first operating rod and the second operating rod are arranged on one side of the lorry-mounted crane in an adjacent mode.
2. The operating mechanism according to claim 1, wherein the first linkage mechanism further comprises a third operating rod, a third pull rod and a first connecting piece, one end of the third pull rod is hinged to one end of the third operating rod, one end of the first connecting piece is fixedly connected with a valve core of the get-on multi-way valve, the other end of the first pull rod and the other end of the third pull rod are both hinged to the other end of the first connecting piece, and the first operating rod and the third operating rod are oppositely arranged and are respectively located on two sides of the lorry-mounted crane;
the second linkage mechanism further comprises a fourth operating rod, a fourth pull rod and a second connecting piece, one end of the fourth pull rod is hinged to one end of the fourth operating rod, one end of the second connecting piece is fixedly connected with a valve core of the landing leg multi-way valve, the other end of the second pull rod and the other end of the fourth pull rod are hinged to the other end of the second connecting piece, and the second operating rod and the fourth operating rod are arranged oppositely and located on two sides of the lorry-mounted crane respectively.
3. The operating mechanism as claimed in claim 2, wherein the first connecting member is "L" shaped, the valve core of the get-on multi-way valve is hinged to one end of the first connecting member, the other end of the first pull rod is hinged to the other end of the first connecting member, and the other end of the third pull rod is hinged to a corner of the first connecting member.
4. The operating mechanism of claim 3 wherein said first linkage further includes a mounting portion having a slide channel and a sensor, one of said first links further including a sensing arm disposed opposite said boarding multi-way valve;
the induction arm penetrates through the sliding groove and can slide in the sliding groove;
the inductor is installed on the installation part and is used for inducing the position of the induction arm.
5. The operating mechanism of claim 2 wherein said second link is "I" shaped and said spool of said leg multiplex valve is hingedly connected to one end of said second link.
6. The operating mechanism according to any one of claims 2-5, wherein the first operating structure further comprises a first fixed shaft, the second operating structure further comprises a second fixed shaft, one end of the first operating rod is pivotally connected to the first fixed shaft, and one end of the second operating rod is pivotally connected to the second fixed shaft;
the first operating structure further comprises a third fixing shaft, the second operating structure further comprises a fourth fixing shaft, one end of the third operating rod is pivoted with the third fixing shaft, and one end of the fourth operating rod is pivoted with the fourth fixing shaft.
7. The operating mechanism of claim 6 wherein said boarding gate, said leg gate, said first stationary shaft, said second stationary shaft, said third stationary shaft, and said fourth stationary shaft are all horizontally disposed;
the first operating rod and the third operating rod are both vertically arranged, and the second operating rod and the fourth operating rod are both horizontally arranged.
8. The operating mechanism according to any one of claims 2 to 5, further comprising a first cover plate and a second cover plate, the first cover plate comprising a first through hole, the second cover plate comprising a second through hole, the operating end of the second operating rod passing through the first through hole, the operating end of the fourth operating rod passing through the second through hole.
9. A lorry-mounted crane, characterized in that the lorry-mounted crane comprises an operating mechanism according to any of claims 1-8, the first linkage being located below the second linkage.
10. A lorry-mounted crane truck, characterized in that it comprises a chassis and a lorry-mounted crane according to claim 9, which is mounted at the rear end of the chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920324751.7U CN210193251U (en) | 2019-03-14 | 2019-03-14 | Operating mechanism of lorry-mounted crane, lorry-mounted crane and lorry-mounted crane transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920324751.7U CN210193251U (en) | 2019-03-14 | 2019-03-14 | Operating mechanism of lorry-mounted crane, lorry-mounted crane and lorry-mounted crane transport vehicle |
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| CN210193251U true CN210193251U (en) | 2020-03-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115593368A (en) * | 2022-10-17 | 2023-01-13 | 三一环境产业有限公司（Cn） | Vehicle supporting leg safety control system and method and vehicle |
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2019
- 2019-03-14 CN CN201920324751.7U patent/CN210193251U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115593368A (en) * | 2022-10-17 | 2023-01-13 | 三一环境产业有限公司（Cn） | Vehicle supporting leg safety control system and method and vehicle |
| CN115593368B (en) * | 2022-10-17 | 2023-12-22 | 三一环境产业有限公司 | Vehicle landing leg safety control system and method and vehicle |
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