CN218502261U - Feed roll lifting device, crusher and material crushing vehicle - Google Patents
Feed roll lifting device, crusher and material crushing vehicle Download PDFInfo
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- CN218502261U CN218502261U CN202222415308.5U CN202222415308U CN218502261U CN 218502261 U CN218502261 U CN 218502261U CN 202222415308 U CN202222415308 U CN 202222415308U CN 218502261 U CN218502261 U CN 218502261U
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- feeding
- feed roll
- lifting device
- swing arm
- driving piece
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The utility model discloses a feed roller lifting device, rubbing crusher and comminuted car, feed roller lifting device includes feed roller subassembly and lifts the subassembly, the feed roller subassembly includes the feeding storehouse, feeding swing arm and feeding roll body, the one end of feeding swing arm rotationally sets up the outside in the feeding storehouse, the axle head that the unsteady groove of feeding roll body stretch out on the feeding storehouse rotationally carries the other end in feeding swing arm, it includes flexible driving piece and connecting axle sleeve to lift the subassembly, the lower extreme activity of flexible driving piece articulates in the outside in feeding storehouse, connecting axle sleeve locates the upper end of flexible driving piece and is connected with the feeding swing arm, flexible driving piece drives connecting axle sleeve upward movement under the obstructed condition of feeding roll body motion, with lifting the feeding roll body, thereby can reach and be applicable to the mesh of operating on the airtight vehicle product that the space is narrow and small relatively, and the fault handling time has still been reduced, operating personnel's intensity of labour has been reduced.
Description
Technical Field
The utility model belongs to the technical field of the comminuted, concretely relates to feed roll lifting device, rubbing crusher and comminuted car.
Background
The drum type pulverizer mainly comprises a feeding bin, a feeding roller, a pulverizing bin, a pulverizing knife roller, a pulverizing blade and other components. In order to smash garden garbage such as branches, trunks of different diameters, the feed roller adopts "floating" theory of operation: the feeding roller floats up and down along the circumference by taking the swinging shaft as a fulcrum, and is stuck when crushing some special trunks (Y-shaped trunks) or woods with the diameter exceeding the maximum feeding diameter. The existing drum type pulverizer generally adopts a jack to lift when the feeding roller is blocked, and then garden garbage such as blocked branches and trunks is taken out, but the mode is suitable for being operated in places with large space and is not suitable for being operated on closed vehicle products with relatively narrow space, and secondly, the mode needs to temporarily use the jack to lift when blocking materials every time, so that the labor intensity is high, the fault handling time is long, and the intelligent and quick effect is not achieved.
SUMMERY OF THE UTILITY MODEL
To foretell defect or not enough, the utility model provides a feed roll lifting devices, rubbing crusher and comminuted car aims at solving the drum mill and adopts jack lifting to handle the technical problem that the dead mode of feed roll card is unsuitable to operate on the airtight vehicle product that the space is narrow and small relatively.
In order to achieve the above object, the present invention provides a feed roll lifting device, wherein the feed roll lifting device comprises a feed roll assembly and a lifting assembly; the feeding roller assembly comprises a feeding bin, a feeding swing arm and a feeding roller body, the feeding bin is provided with a floating groove, one end of the feeding swing arm is rotatably arranged on the outer side of the feeding bin, and the shaft end of the feeding roller body, which extends out of the floating groove, is rotatably arranged at the other end of the feeding swing arm; the lifting assembly comprises a telescopic driving piece and a connecting shaft sleeve, the lower end of the telescopic driving piece is movably hinged to the outer side of the feeding bin, the connecting shaft sleeve is arranged at the upper end of the telescopic driving piece and connected with the feeding swing arm, and the telescopic driving piece is used for driving the connecting shaft sleeve to move upwards under the condition that the movement of the feeding roller body is blocked so as to lift the feeding roller body.
The embodiment of the utility model provides an in, feed roller lifting devices is still including being used for carrying out the control subassembly controlled to flexible driving piece according to the motion condition of feeding roll body, and flexible driving piece is connected with the control subassembly communication.
The embodiment of the utility model provides an in, the feed roller subassembly still includes hydraulic motor, and hydraulic motor carries on the feeding swing arm and is connected with the axle head of feeding roll body, and the control subassembly includes the controller and sets up the pressure sensor on hydraulic motor's the oil pipe that advances, and the controller is connected with pressure sensor and flexible driving piece communication respectively, and the controller is used for controlling flexible driving piece according to the hydraulic pressure of the oil that pressure sensor detected.
The embodiment of the utility model provides an in, flexible driving piece is lifting cylinder, and one of them activity hinge joint in the outside of feeding storehouse of lifting cylinder's piston cylinder and piston rod, and the other sets up to the cover is equipped with the connecting axle sleeve.
The embodiment of the utility model provides an in, be provided with the balanced valve on the lift cylinder, the balanced valve is used for controlling the flow of the oil feed oil circuit and the oil circuit that produces oil of lift cylinder.
The embodiment of the utility model provides an in, the one end that the piston cylinder was kept away from to the connecting sleeve has seted up the exhaust hole.
The embodiment of the utility model provides an in, be provided with first joint bearing on the piston cylinder, the piston cylinder articulates in the outside in feeding storehouse through first joint bearing activity.
The embodiment of the utility model provides an in, be provided with second joint bearing on the connecting axle sleeve, the connecting axle sleeve passes through second joint bearing activity and articulates in the feeding swing arm.
In order to achieve the above object, the present invention also provides a pulverizer, wherein the pulverizer includes a feed roll lifting device according to the above.
In order to achieve the above object, the utility model also provides a material crushing vehicle, wherein, material crushing vehicle includes according to above the rubbing crusher.
Through the technical scheme, the embodiment of the utility model provides a feed roll lifting devices has following beneficial effect:
when using foretell feed roller lifting device, because including feed roller subassembly and lifting assembly, the floating groove has been seted up on feed roller subassembly's the feed storehouse, the one end of feed swing arm rotationally sets up the outside at the feed storehouse, the axle head that the feed roll body stretches out in the floating groove rotationally sets up the other end at the feed swing arm, then can lead into the material of treating smashing (branch, gardens rubbish such as trunk) through the rotation of feed roll body, and simultaneously, the lower extreme activity of the flexible driving piece of lifting assembly articulates in the outside of feed storehouse, connecting axle sleeve cover locates the upper end of flexible driving piece and is connected with the feed swing arm, then under the normal pivoted condition of feed roll body, the connecting axle sleeve can slide from top to bottom on the flexible driving piece in order to follow the unsteady of feed roll body, and under the feed roll body card dies, under the motion is obstructed condition, can control flexible driving piece to extend the motion and drive the upward movement of connecting axle sleeve, feed swing arm and feed roll body can follow the upward motion of connecting axle sleeve and realize whole lifting, and then take out the material of treating of being stuck, compare in the mode that manual work top lifting is carried out on the confined work space, thereby the personnel that can carry out the work and still reduce the operation intensity relatively, and reduced the narrow and reduced.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide an understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention, but do not constitute a limitation of the invention. In the drawings:
fig. 1 is a schematic structural view of a feed roll lifting device according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a lift assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a lifting assembly according to an embodiment of the present invention.
Description of the reference numerals
1. Feeding bin 11 floating trough
2. Feeding swing arm 3 hydraulic motor
4. Telescopic drive 41 piston cylinder
411. First joint bearing 42 piston rod
421. Rod body 422 piston body
43. Balance valve 5 connecting shaft sleeve
51. Second spherical plain bearing 52 vent
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.
The feed roller lifting device, the crusher, and the material crushing vehicle of the present invention will be described below with reference to the drawings.
As shown in fig. 1, the utility model provides a feed roll lifting device, wherein, feed roll lifting device includes:
the feeding roller assembly comprises a feeding bin 1, a feeding swing arm 2 and a feeding roller body, wherein the feeding bin 1 is provided with a floating groove 11, one end of the feeding swing arm 2 is rotatably arranged on the outer side of the feeding bin 1, and the shaft end of the feeding roller body, which extends out of the floating groove 11, is rotatably arranged at the other end of the feeding swing arm 2;
the lifting assembly comprises a telescopic driving piece 4 and a connecting shaft sleeve 5, the lower end of the telescopic driving piece 4 is movably hinged to the outer side of the feeding bin 1, the upper end of the telescopic driving piece 4 is sleeved with the connecting shaft sleeve 5 and is connected with the feeding swing arm 2, and the telescopic driving piece 4 is used for driving the connecting shaft sleeve 5 to move upwards under the condition that the feeding roller body is blocked to lift the feeding roller body.
When the feeding roller lifting device is used, as the feeding roller lifting device comprises a feeding roller assembly and a lifting assembly, a floating groove 11 is formed in a feeding bin 1 of the feeding roller assembly, one end of a feeding swing arm 2 is rotatably arranged on the outer side of the feeding bin 1, a shaft end of the feeding roller body extending out of the floating groove 11 is rotatably arranged at the other end of the feeding swing arm 2, materials to be crushed (tree branches, tree trunks and other garden garbage) can be guided in through rotation of the feeding roller body, meanwhile, the lower end of a telescopic driving piece 4 of the lifting assembly is movably hinged to the outer side of the feeding bin 1, a connecting shaft sleeve 5 is sleeved at the upper end of the telescopic driving piece 4 and connected with the feeding swing arm 2, under the condition that the feeding roller body normally rotates, the connecting shaft sleeve 5 can slide up and down on the telescopic driving piece 4 to follow up and down floating of the feeding roller body, under the condition that the feeding roller body is blocked and the movement is blocked, the telescopic driving piece 4 can be controlled to extend and move up to drive the connecting shaft sleeve 5 to move, the feeding swing arm 2 and the feeding roller body can follow up movement of the connecting shaft sleeve 5 to realize overall lifting, and further take out the materials to be crushed, compared with the labor intensity of the manual lifting device, the sealed feeding roller body, and the sealed vehicle product, so that the labor intensity of the sealed feeding roller body can be reduced, and the sealed vehicle can be directly reduced.
The embodiment of the utility model provides an in, feed roller lifting devices is still including being used for carrying out the control subassembly controlled to flexible driving piece 4 according to the motion condition of feeding roll body, and flexible driving piece 4 is connected with the control subassembly communication. The monitoring assembly can monitor the movement condition of the feeding roller body, and can also control the telescopic driving piece 4 to extend to drive the connecting shaft sleeve 5 to move upwards when monitoring the blocked condition of the movement of the feeding roller body, so as to achieve the purpose of lifting the feeding roller body, thereby realizing full-automatic control of the whole process of lifting the feeding roller body from the fact that the feeding roller body is clamped, and achieving the purpose of being intelligent and fast.
The embodiment of the utility model provides an in, it still includes hydraulic motor 3 to come the roller assembly, and hydraulic motor 3 carries on feeding swing arm 2 and is connected with the axle head of feeding roll body, and the control subassembly includes the controller and sets up the pressure sensor on hydraulic motor 3's the oil pipe that advances, and the controller is connected with pressure sensor and the 4 communications of flexible driving piece respectively, and the controller is used for controlling flexible driving piece 4 according to the hydraulic pressure of the oil that pressure sensor detected. Pressure sensor sets up on hydraulic motor 3's the oil pipe that advances, it is dead to appear blocking when the feeding roll body, when the motion condition of being obstructed, the oil pressure power of the last oil pipe that advances of hydraulic motor 3 can produce the sudden change, sharply rise, reach and exceed the oil pressure sudden change threshold value even, then in feeding roll body working process, if pressure sensor detects oil pressure power and reaches or exceeds the oil pressure sudden change threshold value even, it is dead to show that the card appears in the feeding roll body, the motion condition of being obstructed, at this moment, the controller can control flexible driving piece 4 to extend and drive connecting shaft sleeve 5 upward movement, and then lift the feeding roll body, certainly if pressure sensor detects oil pressure power and does not reach the oil pressure sudden change threshold value, then show that feeding roll body rotary motion is normal.
Furthermore, the utility model discloses not be limited to this, hydraulic motor 3 can also be replaced by the rotating electrical machines, the control subassembly can be controlled flexible driving piece 4 according to whether the electric current signal value of rotating electrical machines takes place the sudden change, it dies to appear blocking when the feeding roll body, when the motion circumstances of being obstructed, the electric current signal value of rotating electrical machines can produce the sudden change, sharp increase, reach or even exceed the electric current sudden change threshold value, then in feeding roll body working process, if the control subassembly monitors that the electric current signal value of rotating electrical machines reaches or even exceeds the electric current sudden change threshold value, it dies to show that the card appears in the feeding roll body, the motion circumstances of being obstructed, at this moment, the control subassembly can control flexible driving piece 4 and extend and drive connecting shaft sleeve 5 upward movement, and then reach the purpose of lifting the feeding roll body.
In addition, the monitoring component can also be a monitoring camera, and whether the feeding roller body normally rotates or is blocked or not is judged according to the picture shot by the monitoring camera.
Referring to fig. 1 and 2, in the embodiment of the present invention, the telescopic driving member 4 may be a lift cylinder, one of a piston cylinder 41 and a piston rod 42 of the lift cylinder is movably hinged outside the feeding bin 1, and the other is disposed upward and is sleeved with a connecting shaft sleeve 5. Specifically, the piston cylinder 41 is movably hinged to the outer side of the feeding bin 1, the piston rod 42 is arranged upwards, and the part of the piston rod 42 extending out of the piston cylinder 41 is sleeved with the connecting shaft sleeve 5. The flexible driving piece 4 needs to wholly lift the feeding swing arm 2 and the feeding roller body, so that the flexible driving piece 4 needs to bear large weight in the upward extending process, the flexible driving piece 4 is set to be a lifting oil cylinder, and the stability of lifting motion can be guaranteed. Specifically, the rodless cavity of the lifting oil cylinder can be arranged downwards, the rod cavity of the lifting oil cylinder can be arranged upwards, the piston rod 42 comprises a rod body 421 and a piston body 422 arranged at one end of the rod body 421, the piston body 422 is arranged in the piston cylinder 41, one end, far away from the piston body 422, of the rod body 421 extends out of the piston cylinder 41, the connecting shaft sleeve 5 is sleeved on the rod section, extending out of the piston cylinder 41, of the rod body 421 and can slide up and down on the rod body 421 along with floating of the feeding roller body, meanwhile, when the feeding roller body is blocked and movement is blocked, the rodless cavity at the lower end of the lifting oil cylinder takes oil, the piston rod 42 is driven to move upwards, the rod end at the upper end of the piston rod 42 is abutted to the connecting shaft sleeve 5, and the connecting shaft sleeve 5 is driven to move upwards, and the purpose of lifting the feeding roller body is achieved.
In addition, the connecting shaft sleeve 5 is still sleeved on the piston rod 42 and can slide on the piston rod 42 when floating to the maximum swing angle along with the feeding roller body, and the phenomenon of sliding out cannot occur.
The embodiment of the utility model provides an in, be provided with balanced valve 43 on the lift cylinder, balanced valve 43 is used for controlling the oil feed oil circuit of lift cylinder and the flow of the oil circuit that produces oil, reaches the balance of guaranteeing the oil feed oil pressure and the oil pressure that produces oil, further guarantees the motion stationarity of lift cylinder.
Referring to fig. 2 and fig. 3, in the embodiment of the present invention, an exhaust hole 52 is formed at an end of the connecting shaft sleeve 5 away from the piston cylinder 41. Specifically, the inner wall of connecting sleeve 5 sets up with the outer wall laminating of piston rod 42, because connecting sleeve 5 slides from top to bottom on piston rod 42, make connecting sleeve 5 and piston rod 42 can enclose the one end of keeping away from piston cylinder 41 and close the changeable jacking space of a space volume, exhaust hole 52 sets up the one end of keeping away from piston cylinder 41 at connecting sleeve 5, exhaust hole 52 can communicate jacking space and outside atmosphere environment promptly, then can make the lift cylinder carry out the upwards extension motion and can not receive the gaseous hindrance in the jacking space, the gas in the jacking space can be discharged outside atmosphere environment from exhaust hole 52. Further, the exhaust hole 52 may be used to inject lubricating oil between the piston rod 42 and the connecting boss 5.
The embodiment of the utility model provides an in, be provided with first joint bearing 411 on the piston cylinder 41, piston cylinder 41 articulates in the outside of feeding storehouse 1 through first joint bearing 411 activity. Meanwhile, a second joint bearing 51 is arranged on the connecting shaft sleeve 5, and the connecting shaft sleeve 5 is movably hinged to the feeding swing arm 2 through the second joint bearing 51. The piston cylinder 41 and the connecting shaft sleeve 5 are installed by adopting knuckle bearings, so that the lifting oil cylinder and the connecting shaft sleeve 5 can conveniently rotate adaptively along with the feeding swing arm 2. In addition, the first oscillating bearing 411 and the second oscillating bearing 51 can be limited and fixed by a large gasket and a locknut.
In order to achieve the above object, the present invention also provides a crusher, wherein the crusher comprises a feed roll lifting device according to the above. Since the pulverizer adopts all the technical solutions of the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
In order to achieve the above object, the utility model provides a comminuted car again, wherein, comminuted car includes according to above the rubbing crusher. Because the material crushing vehicle adopts all the technical schemes of the embodiment, all the beneficial effects brought by the technical schemes of the embodiment are at least achieved, and are not repeated one by one.
In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of indicated technical features is significant. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A feed roll lifting device, characterized in that the feed roll lifting device comprises:
the feeding roller assembly comprises a feeding bin (1), a feeding swing arm (2) and a feeding roller body, wherein the feeding bin (1) is provided with a floating groove (11), one end of the feeding swing arm (2) is rotatably arranged on the outer side of the feeding bin (1), and the shaft end of the feeding roller body, which extends out of the floating groove (11), is rotatably arranged at the other end of the feeding swing arm (2);
the lifting assembly comprises a telescopic driving piece (4) and a connecting shaft sleeve (5), wherein the lower end of the telescopic driving piece (4) is movably hinged to the outer side of the feeding bin (1), the connecting shaft sleeve (5) is sleeved on the upper end of the telescopic driving piece (4) and connected with the feeding swing arm (2), and the telescopic driving piece (4) is used for driving the connecting shaft sleeve (5) to move upwards under the condition that the movement of the feeding roller body is blocked so as to lift the feeding roller body.
2. The feed roll lifting device according to claim 1, characterized in that the feed roll lifting device further comprises a monitoring assembly for controlling the telescopic driving member (4) according to the movement of the feed roll body, and the telescopic driving member (4) is in communication connection with the monitoring assembly.
3. The feed roll lifting device according to claim 2, characterized in that the feed roll assembly further comprises a hydraulic motor (3), the hydraulic motor (3) is mounted on the feed swing arm (2) and connected with the shaft end of the feed roll body, the monitoring assembly comprises a controller and a pressure sensor arranged on an oil inlet pipe of the hydraulic motor, the controller is respectively connected with the pressure sensor and the telescopic driving member (4) in a communication manner, and the controller is used for controlling the telescopic driving member (4) according to the oil pressure detected by the pressure sensor.
4. The feed roll lifting device according to claim 1, characterized in that the telescopic driving member (4) is a lifting cylinder, one of a piston cylinder (41) and a piston rod (42) of the lifting cylinder is movably hinged outside the feed bin (1), and the other one is arranged upward and sleeved with the connecting bushing (5).
5. The feed roll lifting device according to claim 4, characterized in that a balance valve (43) is arranged on the lifting oil cylinder, and the balance valve (43) is used for controlling the flow of the oil inlet path and the oil outlet path of the lifting oil cylinder.
6. The feed roll lifting device as claimed in claim 4, characterized in that the connecting sleeve (5) has a venting opening (52) at its end remote from the piston cylinder (41).
7. The feed roll lifting device according to claim 4, characterized in that a first knuckle bearing (411) is arranged on the piston cylinder (41), and the piston cylinder (41) is movably hinged to the outer side of the feed bin (1) through the first knuckle bearing (411).
8. The feed roll lifting device according to any one of claims 1 to 7, characterized in that a second joint bearing (51) is arranged on the connecting shaft sleeve (5), and the connecting shaft sleeve (5) is movably hinged to the feed swing arm (2) through the second joint bearing (51).
9. A crusher, characterized in that it comprises a feed roll lifting device according to any of claims 1 to 8.
10. A material crushing cart, characterized in that it comprises a crusher according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222415308.5U CN218502261U (en) | 2022-09-09 | 2022-09-09 | Feed roll lifting device, crusher and material crushing vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222415308.5U CN218502261U (en) | 2022-09-09 | 2022-09-09 | Feed roll lifting device, crusher and material crushing vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN218502261U true CN218502261U (en) | 2023-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222415308.5U Active CN218502261U (en) | 2022-09-09 | 2022-09-09 | Feed roll lifting device, crusher and material crushing vehicle |
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| CN (1) | CN218502261U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108579A (en) * | 2023-10-18 | 2023-11-24 | 长沙中能装备制造有限公司 | Material crushing vehicle hydraulic system and control method thereof |
-
2022
- 2022-09-09 CN CN202222415308.5U patent/CN218502261U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108579A (en) * | 2023-10-18 | 2023-11-24 | 长沙中能装备制造有限公司 | Material crushing vehicle hydraulic system and control method thereof |
| CN117108579B (en) * | 2023-10-18 | 2024-01-09 | 长沙中能装备制造有限公司 | Material crushing vehicle hydraulic system and control method thereof |
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