CN112723255A - Charging vehicle - Google Patents

Charging vehicle Download PDF

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Publication number
CN112723255A
CN112723255A CN202011618942.8A CN202011618942A CN112723255A CN 112723255 A CN112723255 A CN 112723255A CN 202011618942 A CN202011618942 A CN 202011618942A CN 112723255 A CN112723255 A CN 112723255A
Authority
CN
China
Prior art keywords
plate
locking
cab
lug
pushing mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202011618942.8A
Other languages
Chinese (zh)
Other versions
CN112723255B (en
Inventor
郭潇鹏
郭海波
郭炎波
杨灿彬
庄伟永
万禹平
郭俊锋
郭俊阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Southchina Machinery Manufacture Co ltd
Original Assignee
Fujian Southchina Machinery Manufacture Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian Southchina Machinery Manufacture Co ltd filed Critical Fujian Southchina Machinery Manufacture Co ltd
Priority to CN202011618942.8A priority Critical patent/CN112723255B/en
Priority claimed from CN202011618942.8A external-priority patent/CN112723255B/en
Publication of CN112723255A publication Critical patent/CN112723255A/en
Application granted granted Critical
Publication of CN112723255B publication Critical patent/CN112723255B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/0759—Details of operating station, e.g. seats, levers, operator platforms, cabin suspension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D33/00—Superstructures for load-carrying vehicles
    • B62D33/06—Drivers' cabs
    • B62D33/063—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
    • B62D33/0633—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other pivotable about a vertical axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D33/00—Superstructures for load-carrying vehicles
    • B62D33/06—Drivers' cabs
    • B62D33/063—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
    • B62D33/067—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other tiltable
    • B62D33/07—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other tiltable characterised by the device for locking the cab in the tilted or in the driving position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D33/00—Superstructures for load-carrying vehicles
    • B62D33/06—Drivers' cabs
    • B62D33/063—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
    • B62D33/067—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other tiltable
    • B62D33/07—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other tiltable characterised by the device for locking the cab in the tilted or in the driving position
    • B62D33/071—Locking devices for cabins in driving position; Shock and vibration absorbing devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07504—Accessories, e.g. for towing, charging, locking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B66F9/18—Load gripping or retaining means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B66F9/19—Additional means for facilitating unloading
    • B66F9/195—Additional means for facilitating unloading for pushing the load

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Loading Or Unloading Of Vehicles (AREA)

Abstract

The invention discloses a charging car which comprises a charging car body, a locking assembly, a cab and a hydraulic oil cylinder, wherein the side turning of the cab is started and stopped through the hydraulic oil cylinder, one side of the cab is connected with one side of the charging car body through a pin shaft assembly, and the other side of the cab is connected with one side, corresponding to the charging car body, of the charging car body through the locking assembly; the locking assembly comprises a locking plate, a first locking block and a second locking block, a convex block is arranged on the second locking block, a through hole is formed in the first locking block, and a positioning groove is formed in the locking plate. The invention locks the convex block on the through hole through the positioning groove to further connect the cab and the charging car body, meanwhile, the pin assembly on the other side is in hinged fit, and the driving hydraulic oil cylinder drives the cab to turn and reset.

Description

Charging vehicle
Technical Field
The invention relates to the technical field of industrial vehicles, in particular to a charging vehicle.
Background
The feeding vehicle is an industrial carrying vehicle, and is various wheel type carrying vehicles for carrying out loading, unloading, stacking and short-distance transportation operation on finished pallet goods. The tray can be widely applied to ports, stations, airports, goods yards, factory workshops, warehouses, circulation centers, distribution centers and the like, can enter cabins, carriages and containers to carry out loading, unloading and carrying operations of tray goods, and is necessary equipment in tray transportation and container transportation.
At present, in the forklift in the market, a cab is connected with a frame in a locking manner, a plurality of elements and pipelines are generally arranged below the cab, the cab is not provided with a turnover device, the elements and the pipelines below the cab are difficult to maintain, the cab can be only lifted away by means of a walking aid to be maintained, and the cab needs to be placed in the original position after maintenance. The whole weight of the cab is heavy, the whole process takes a lot of time, redundant maintenance cost is increased by using the travelling crane, the operation is very inconvenient, and once relevant faults occur in the working process, field maintenance cannot be carried out, so that the working efficiency is greatly reduced.
Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.
Disclosure of Invention
The invention aims to provide a charging vehicle which is simple in structure and can rapidly complete side turning.
In order to achieve the purpose, the invention adopts the following technical scheme: a charging car comprises a charging car body, a locking assembly, a hydraulic oil cylinder and a cab, wherein one end of the hydraulic oil cylinder is hinged to the bottom of the cab, the other end of the hydraulic oil cylinder is hinged to the side wall of the charging car body, so that a telescopic rod of the hydraulic oil cylinder is driven by the hydraulic oil cylinder to open and close the side turning of the cab, one side of the cab is connected with one side of the charging car body through a pin shaft assembly, and the other side of the cab is connected with one side, corresponding to the charging car body, of the charging car body through the locking assembly;
locking Assembly include the locking plate, with driver's cabin fixed connection's first locking piece and with reinforced car body fixed connection's second locking piece, be provided with the lug on the second locking piece, be provided with the confession on the first locking piece the through-hole that the lug was worn to put, be provided with positioning groove on the locking piece, positioning groove corresponds the lug sets up, with through this positioning groove will the lug lock in on the through-hole, and then connect first locking piece reaches the second locking piece.
As a preferable mode of the present invention, the first lock block includes a first bottom plate and first vertical plates respectively erected at both ends of the first bottom plate, and free ends of the two first vertical plates are fixedly connected to the bottom of the cab; the second locking block comprises a first top plate and second vertical plates which are respectively erected at two ends of the first top plate, and free ends of the two second vertical plates are fixedly connected with the charging car body;
the through hole is arranged on the first bottom plate and penetrates through the first bottom plate, the lug comprises a lug second end fixedly connected with the first top plate and a lug first end fixedly connected with the lug second end, and the diameter of the lug first end is larger than that of the lug second end;
the locking plate includes that locking plate first end and locking plate second are held, positioning groove sets up on the locking plate, just positioning groove's one end extends to locking plate first end, positioning groove keeps away from the diameter of locking plate first end is less than the diameter of lug first end, and is greater than the diameter of lug second end.
As a preferable mode of the present invention, the pin assembly includes a pin, a first connecting member fixedly connected to the cab, and a second connecting member fixedly connected to the charging car body, and pin holes for the pin to pass through are provided in both the first connecting member and the second connecting member, so that the second connecting member is locked to the first connecting member by the pin, and the cab and the charging car body are connected.
As a preferable mode of the present invention, the present invention further includes an anti-shake device, the anti-shake device includes a first elastic washer sleeved on the second end of the bump and a second elastic washer disposed at the bottom of the second lock block, and a first damping pad is disposed between the first lock block and the first elastic washer.
As a preferable mode of the present invention, an adjusting bolt for connecting the bump and the second elastic washer is disposed between the bump and the second elastic washer, the adjusting bolt is provided with a compression nut and a second damping pad, and the second elastic washer is sleeved on the bolt.
As a preferable mode of the invention, the feeding device comprises a lifting device arranged at the front end of the feeding vehicle body and a feeding device connected to the front end of the lifting device, wherein the feeding device comprises a feeding hopper, a material pushing plate arranged in the feeding hopper and a material pushing mechanism used for driving the material pushing plate to move in the feeding hopper, the lifting device comprises a lifting frame, a mounting frame and a driving device used for driving the mounting frame to move up and down along the lifting frame, a plurality of hooks are horizontally arranged on one side of the feeding hopper, a supporting beam for the hooks to abut against is correspondingly arranged on the mounting frame, the supporting beam is arranged along the horizontal direction, mutually-clamped clamping structures are respectively arranged on the opposite sides of the material pushing plate and the material pushing mechanism, and the material pushing mechanism is fixedly connected with the mounting frame.
As a preferable mode of the present invention, the clamping structure includes a first hook disposed on one side of the material pushing plate and a second hook disposed at an end of the material pushing mechanism, a first U-shaped groove having a downward opening and allowing the second hook to be disposed is formed between the first hook and the material pushing plate, and a second U-shaped groove having an upward opening and allowing the first hook to be disposed is formed between the second hook and the end of the material pushing mechanism.
As a preferred mode of the present invention, the material pushing mechanism includes a first material pushing mechanism and a second material pushing mechanism, the first material pushing mechanism and the second material pushing mechanism are disposed on the left and right sides of the charging car body, the first material pushing mechanism is a first telescopic arm, the second material pushing mechanism is a second telescopic arm, both the first telescopic arm and the second telescopic arm include a fixed body and a moving body, the mounting frame is provided with a first through hole and a second through hole, the fixed body of the first telescopic arm is fixedly connected with the first through hole, and the fixed body of the second telescopic arm is fixedly connected with the second through hole;
and one side of the loading hopper, which is opposite to the mounting frame, is provided with a third through hole and a fourth through hole, the moving body of the first telescopic arm penetrates through the third through hole, and the moving body of the second telescopic arm penetrates through the fourth through hole.
As a preferred mode of the present invention, the present invention further includes a traction mechanism for drawing the material pushing plate to move on the bottom plate of the loading hopper in a balanced manner, the material pushing mechanism includes a first material pushing mechanism, the first material pushing mechanism is a first telescopic arm, the first telescopic arm includes a fixed body and a moving body, the mounting bracket is provided with a first through hole, the first through hole is fixedly connected to the fixed body of the first telescopic arm, one side of the loading hopper opposite to the mounting bracket is provided with a third through hole, and the moving body of the first telescopic arm passes through the third through hole;
the pushing plate comprises a first pushing plate end and a second pushing plate end connected with the pushing mechanism, the traction mechanism comprises a steel wire rope and a pulley block, one end of the steel wire rope is connected with the second pushing plate end, the other end of the steel wire rope is connected with the first pushing plate end, two ends of the steel wire rope are respectively arranged on two sides of the pushing plate, the pulley block is arranged on the charging hopper, and the steel wire rope bypasses the pulley block.
As a preferable mode of the present invention, the hopper includes a bottom plate, a first vertical plate, a second vertical plate, and a connecting plate, the pulley block includes a first fixed pulley disposed on the connecting plate, a second fixed pulley disposed on one end of the first vertical plate, and a third fixed pulley disposed on the other end of the first vertical plate, and the first fixed pulley, the second fixed pulley, and the third fixed pulley are sequentially disposed between the first end of the steel wire rope and the second end of the steel wire rope.
By adopting the design scheme, the invention has the beneficial effects that: the lug of the second locking block is locked on the through hole of the first locking block through the positioning groove, so that the left side of the cab and the left side of the charging car body are connected, meanwhile, the right side of the cab is hinged with the right side of the charging car body through a pin assembly, and the cab is driven to turn and reset by a driving hydraulic oil cylinder; the invention adopts a simple and reliable locking assembly to realize the lateral overturning of the cab, fully utilizes the space on the side surface of the cab, does not need to move the cab away by a crane, and can realize the overturning and resetting of the cab only by one-man operation. The whole operation process is simple and easy to implement, the time for lifting the cab by the travelling crane is saved, the maintenance efficiency is improved, and the maintenance cost is reduced.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a cab of the present invention during rollover;
FIG. 3 is a schematic structural diagram of a hopper, a lifting mechanism and a pushing mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a hopper and a pushing mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic view of a hopper and a lifting mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a hydraulic oil cylinder, a cab and a charging car body in the invention;
FIG. 7 is a schematic structural view of a pin assembly, a cab and a charging car body of the present invention;
FIG. 8 is a schematic structural view of a locking assembly, a cab and a charging car body in accordance with the present invention;
FIG. 9 is an exploded view of the locking assembly of the present invention;
FIG. 10 is a schematic structural diagram according to a second embodiment of the present invention;
FIG. 11 is a schematic structural view of a hopper, a pushing mechanism and a lifting mechanism according to a second embodiment of the present invention;
FIG. 12 is a partially exploded view of a second hopper, pusher mechanism and lifting mechanism in accordance with an embodiment of the present invention;
FIG. 13 is a top view of a hopper, pusher mechanism and lifting mechanism according to a second embodiment of the present invention;
in the figure: the cab comprises a cab 1, a charging car body 2, a first lock block 31, a through hole 311, a first bottom plate 312, a first vertical plate 313, a second lock block 32, a projection 321, a projection first end 3211, a projection second end 3212, a first top plate 322, a second vertical plate 323, a lock plate 33, a positioning groove 331, a lock plate first end 332, a bent portion 3321, a lock plate second end 333, a screw 34, a screw hole 341, a first elastic washer 351, a second elastic washer 352, a first damping washer 353, a second damping washer 354, an adjusting bolt 36, a hydraulic oil cylinder 4, a pin shaft assembly 5, a first connecting piece 51, a second connecting piece 52, a pin 53, a lifting frame 61, a mounting frame 62, a support beam 621, a first perforation 622, a second perforation 623, a charging hopper 71, a first vertical plate 711, a first notch 7111, a second notch 7112, a second vertical plate 712, a first sliding strip 7121, a second sliding strip 7122, a bottom plate 713, a connecting plate 714, a hook 7141, a third perforation 7142, The fourth through hole 7143, the material pushing plate 72, the first end 721 of the material pushing plate, the second end 722 of the material pushing plate, the first sliding groove 723, the second sliding groove 724, the roller 725, the first hook 726, the first material pushing mechanism 81, the fixed body 811, the moving body 812, the second hook 8121, the second material pushing mechanism 82, the steel wire rope 91, the first end 911 of the steel wire rope, the second end 912 of the steel wire rope, the first fixed pulley 921, the second fixed pulley 922, and the third fixed pulley 923.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For convenience of description, it is defined that one side of the charging car, which is provided with the pin shaft assembly 5 (described in detail below), is the right side, and one side of the charging car, which is provided with the locking assembly 3 (described in detail below), is the left side; the orientation of the charging car body 1 (described in detail below) to which the charging device (described in detail below) is set is defined as front, and vice versa.
The first embodiment is as follows: refer to fig. 1 to 9
The utility model provides a reinforced car, includes driver's cabin 1, reinforced car body 2, locking Assembly 3 and hydraulic cylinder 4, and hydraulic cylinder 4's one end articulates in the bottom of driver's cabin 1, and hydraulic cylinder 4's the other end articulates on the lateral wall of reinforced car body 2 to the side of turning on and off driver's cabin 1 is opened and close to the telescopic link through hydraulic cylinder 4 drive hydraulic cylinder 4. When the cab 1 needs to be lifted, the cab 1 is lifted by driving the hydraulic oil cylinder 4, so that the left side of the cab 1 can be quickly turned to the right side of the cab 1. Preferably, when the cab 1 of the embodiment turns over to reach a proper height, a safety support rod (not shown in the figure) is supported to prevent the cab 1 from accidents, so as to ensure safety. It should be noted that the structure of the cab 1, the structure of the charging car body 2, and the structure of the power device driving the hydraulic cylinder 4 are the same as those of the prior art, and are not described again.
The right side of driver's cabin 1 is connected with the right side of reinforced car body 2 through round pin axle subassembly 5, and the left side of driver's cabin 1 is connected through locking Assembly 3 with the left side of reinforced car body 2.
The pin shaft assembly 5 comprises a pin 53, a first connecting piece 51 fixedly connected with the cab 1 and a second connecting piece 52 fixedly connected with the charging car body 2, wherein the first connecting piece 51 and the second connecting piece 52 are both provided with pin holes (not shown in the figure) for the pin 53 to penetrate through, so that the second connecting piece 52 is locked on the first connecting piece 51 through the pin 53, and then the cab 1 and the charging car body 2 are connected.
Locking assembly 3 includes locking plate 33, with 1 fixed connection's of driver's cabin first locking piece 31 and with reinforced car body 2 fixed connection's second locking piece 32, be connected with lug 321 on the second locking piece 32, be provided with the through-hole 311 that supplies lug 321 to wear to put on the first locking piece 31, be equipped with positioning groove 331 on the locking plate 33, positioning groove 331 corresponds the setting of lug 321, lock lug 321 in through-hole 311 through this positioning groove 331, and then connect first locking piece 31 and second locking piece 32, connect driver's cabin 1 and reinforced car body 2 promptly.
Specifically, the first lock block 31 includes a first bottom plate 312 and first vertical plates 313 respectively erected at two ends of the first bottom plate 312, and free ends of the two first vertical plates 313 are fixedly connected with the bottom of the cab 1; the second locking piece 32 comprises a first top plate 322 and second vertical plates 323 respectively erected at two ends of the first top plate 322, and free ends of the two second vertical plates 323 are fixedly connected with the charging car body 2. In the embodiment, the free end of the first vertical plate 313 is welded to the bottom of the cab 1, and the free end of the second vertical plate 323 is welded to the top of the charging car body 2, but may be fixed by other fixing methods such as thread fixing, screw bolt fastening, and the like.
The through hole 311 is disposed on the first bottom plate 312, and penetrates from one side of the first bottom plate 312 to the other side of the first bottom plate 312, the bump 321 includes a bump second end 3212 connected to the first top plate 322 and a bump first end 3211 fixedly connected to the bump second end 3212, and a diameter of the bump second end 3212 is smaller than a diameter of the bump first end 3211;
locking plate 33 includes locking plate first end 332 and locking plate second end 333, positioning groove 331 sets up on locking plate 33, and run through to the opposite side of locking plate 33 from one side of locking plate 33, positioning groove 331's one end sets up the middle part at locking plate 33, the other end extends to locking plate first end 332, and stretch out locking plate first end 332, positioning groove 331 keeps away from the diameter of locking plate first end 331 and is less than the diameter of the first end 3211 of lug, and be greater than the diameter of lug second end 3212, locking plate second end 332 has kink 3321, all be provided with screw hole 341 on kink 3321 and the first roof 322, fix locking plate 33 on second locking piece 32 with the mode through screw 34, and then connect first locking piece 31 and second locking piece 32.
Preferably, the anti-shake device further comprises an anti-shake device, the anti-shake device comprises a first elastic washer 351 sleeved at the second end 3212 of the protruding block and a second elastic washer 352 arranged at the bottom of the second locking block 32, a first damping pad 353 is arranged between the first locking block 31 and the first elastic washer 351, an adjusting bolt 36 for connecting the protruding block 321 and the second elastic washer 352 is arranged between the protruding block 321 and the second elastic washer 352, a compression nut and a second damping pad 354 are arranged on the adjusting bolt 36, and the second elastic washer 352 is sleeved on the bolt. First and second damping pads 353, 354 may absorb vibration of cab 1, while first and second damping pads 353, 354 provide better anti-shake performance relative to the rigid connection of cab 1 and hopper car body 2.
The first elastic washer 351 and the second elastic washer 352 are disposed vertically symmetrically, and since the first elastic washer 351 and the second elastic washer 352 are elastic bodies and may loosen the apparatus under the action of gravity, impact force, etc., locknuts are used as nuts to be engaged with the adjusting bolts 36.
When the cab 1 of the embodiment needs to be turned over, the bolt between the bent portion 3321 and the first top plate 322 is loosened, the locking plate 33 is pulled out, flexible operation and control can be realized by controlling the hydraulic oil cylinder 4, the cab 1 can be stopped at any position, and the projection 321 of the second locking block 32 can freely penetrate through the through hole 311 of the first locking block 21; when the cab 1 needs to be reset, the cab 1 can be reset to the charging car body 2 around the pin 53 by controlling the hydraulic oil cylinder 4, the through hole 311 of the first lock block 31 on the cab 1 rotates to the position above the bump 321 of the charging car body 1 and penetrates through the through hole 311, so that the bottom of the first bottom plate 312 contacts with the first damping pad 353 of the anti-shaking device, at this time, the first end 3211 of the bump is located above the first bottom plate 312, then the lock plate 33 is placed between the top of the first bottom plate 312 and the bottom of the first end 3211 of the bump, so that the first end 3211 of the bump cannot be separated from the through hole 311 of the first bottom plate 312, the first lock block 31 is locked and fixed on the second lock block 32, namely, the cab 1 and the charging car body 2 are locked, and finally, the screw bolt between the bent portion 3321 and the first top plate 322 is screwed tightly, and thus the whole set of actions is completed.
According to the invention, the lug 321 of the second locking block 32 is locked on the through hole 311 of the first locking block 31 through the positioning groove 331 of the locking plate 33, so that the left side of the cab 1 and the left side of the charging car body 2 are connected, the right side of the cab 1 and the right side of the charging car body 2 are in hinged fit through the pin assembly 5, and the cab 1 is driven to turn or reset by the driving hydraulic oil cylinder 4; the invention adopts the simple and reliable locking component 3 and the pin component 5 to realize the lateral overturn of the cab, fully utilizes the space on the side surface of the cab 1, does not need to remove the cab 1 by means of a travelling crane, and can realize the overturn and reset of the cab 1 only by one-man operation. The whole operation process is simple and easy to implement, the time for lifting the cab 1 by a travelling crane is saved, the cab 1 can be turned on the spot for detection and maintenance, the operation is convenient and fast, the maintenance efficiency is improved, and the maintenance cost is reduced.
The invention also comprises a lifting device arranged at the front end of the charging car body 1 and a charging device connected to the front end of the lifting device, wherein the charging car body 1 adopts the structure of the existing charging car, and the fork of the existing charging car is detached and the charging device is installed.
The feeding device comprises a feeding hopper 71, a material pushing plate 72 arranged in the feeding hopper 71 and a material pushing mechanism for driving the material pushing plate 72 to move in the feeding hopper 71, and the lifting device comprises a lifting frame 61, a mounting frame 62 and a driving device for driving the mounting frame 62 to move up and down along the lifting frame 61. Preferably, the driving device comprises a hydraulic oil cylinder (not shown in the figure), a chain (not shown in the figure) and a chain wheel (not shown in the figure), wherein a cylinder body of the hydraulic oil cylinder is fixedly installed on the lifting frame 61, a piston rod of the hydraulic oil cylinder is provided with the chain wheel, the chain is respectively and fixedly connected with the lifting frame 61 and the mounting frame 62 through the chain wheel, the mounting frame 62 is driven by the extension and contraction of the piston rod of the hydraulic oil cylinder to move up and down along the lifting frame 61, and the driving device is of a conventional structure in the feeding vehicle.
The charging hopper 71 comprises a bottom plate 713, a first longitudinal plate 711, a second longitudinal plate 712 and a connecting plate 714, the first longitudinal plate 711, the second longitudinal plate 712 and the connecting plate 714 are arranged on the bottom plate 713 in a surrounding mode and are arranged along the vertical direction, two ends of the connecting plate 714 are respectively connected with the first longitudinal plate 711 and the second longitudinal plate 712, the first longitudinal plate 711 and the second longitudinal plate 712 are arranged in parallel and are arranged along the front-back direction, a discharging hole is formed between the first longitudinal plate 711 and the second longitudinal plate 712, and the pushing plate 72 pushes materials out of the discharging hole.
In order to enable the material pushing plate 72 to push the material out of the material outlet from the bottom plate 713 in a balanced manner, the top ends of the first longitudinal plate 711 and the second longitudinal plate 712 are respectively provided with a first sliding strip 7121, the two first sliding strips 7121 are arranged oppositely, the bottom of the first longitudinal plate 711 and the bottom plate of the second longitudinal plate 712 are respectively provided with a second sliding strip 7122, the two second sliding strips 7122 are arranged oppositely, the two ends of the material pushing plate 72 are respectively provided with a first sliding groove 723 matched with the first sliding strip 7121 corresponding to the two first sliding strips 7121, and a second sliding groove 724 matched with the second sliding strip 7122 corresponding to the two second sliding strips 7122.
Preferably, the bottom of the material pushing plate 72 is provided with at least one roller 725, the outer surface of the roller 725 is in contact with the upper surface of the bottom plate 713, and the roller 725 is arranged to enable the material pushing plate 72 to better push the material out of the material outlet.
A plurality of hooks 7141 are horizontally arranged on one side of the connecting plate 714, a supporting beam 621 against which the hooks 7141 abut is correspondingly arranged on the mounting frame 62, and the supporting beam 621 is arranged along the horizontal direction. Preferably, the hooks 7141 are arranged in two rows, the two rows of hooks 7141 are arranged in parallel, and the openings of the hooks 7141 are arranged downwards, so that the support beam 621 can be aligned with the hooks 7141 quickly. The two supporting beams 621 are provided, and the two rows of hooks 7141 are correspondingly hung on the two supporting beams 621, so that the feeding hopper 71 is not easy to shake.
The material pushing mechanism comprises a first material pushing mechanism 81 and a second material pushing mechanism 82, and the first material pushing mechanism 81 and the second material pushing mechanism 82 are respectively arranged on the left side and the right side of the feeding vehicle body 1. The first pushing mechanism 81 is a first telescopic arm, the second pushing mechanism 82 is a second telescopic arm, and both the first pushing mechanism 81 and the second pushing mechanism 82 include a fixed body 811 and a moving body 812. The first material pushing mechanism 81 and the second material pushing mechanism 82 are both material pushing mechanisms commonly used in the art, for example, the material pushing mechanism disclosed in chinese patent CN201820254570 can be adopted.
A first through hole 622 is formed in a position, corresponding to the first pushing mechanism 81, of the mounting frame 62, a fixing body 811 of the first pushing mechanism 81 is fixedly connected with the first through hole 622, a second through hole 623 is formed in a position, corresponding to the second pushing mechanism 82, of the mounting frame 62, and the fixing body 811 of the second pushing mechanism 82 is fixedly connected with the second through hole 623. In the present embodiment, the fixing body 811 of the first pushing mechanism 81 and the fixing body 811 of the second pushing mechanism 82 are fastened to the mounting frame 62 (i.e., the first through hole 622 and the second through hole 623) by screws and bolts, and may be fixed by other fixing methods such as screwing, welding, and the like.
The connecting plate 714 is provided with a third through hole 7142 corresponding to the first pushing mechanism 81, the moving body 812 of the first pushing mechanism 81 penetrates through the third through hole 7142 to be connected with the pushing plate 72, the connecting plate 714 is provided with a fourth through hole 7143 corresponding to the second pushing mechanism 82, and the moving body 812 of the second pushing mechanism 82 penetrates through the fourth through hole 7143 to be connected with the pushing plate 72.
The side of the moving body 812 of the first pushing mechanism 81 facing the material pushing plate 72 and the side of the moving body 812 of the second pushing mechanism 82 facing the material pushing plate 72 are respectively provided with a clamping structure for clamping with each other. The clamping structure comprises a first hook 726 arranged on one side of the material pushing plate 72 and a second hook 8121 arranged at the end part of the moving body 812 of the first material pushing mechanism 81, a first U-shaped groove with a downward opening is formed between the first hook 726 and the material pushing plate 72, and the second hook 8121 can be placed in the first U-shaped groove; a second U-shaped groove with an upward opening is formed between the second hook 8121 and the end of the moving body 812 of the first pushing mechanism 81, and the second U-shaped groove can be used for placing the first hook 726.
When the loading hopper 71 is replaced, the loading hopper 71 is firstly placed on the ground, and by driving the driving device, so that the mounting bracket 62 moves down along the elevating bracket 61 to the lowest point, at which the supporting beam 621 is located at the lower end of the hanging hook 7141, then the feeding cart body 1 is driven to move forward, so that the pushing mechanism on the mounting frame 62 passes through the feeding hopper 71 (i.e. the moving body 812 of the first pushing mechanism 81 passes through the third through hole 7142, and the moving body 812 of the second pushing mechanism 82 passes through the fourth through hole 7143), and at this time, the supporting beam 621 is located right below the hook 7141, the first hooks 726 at both ends of the ejector plate 72 are placed in the second U-shaped grooves by a manual or mechanical device, the second hook 8121 at the end of the moving body 811 of the first pushing mechanism 81 and the second hook 8121 at the end of the moving body 811 of the second pushing mechanism 82 are respectively placed in the corresponding first U-shaped grooves and are clamped with each other; the driving means is then driven again so that the mounting frame 62 moves up along the lifting frame 21, at which time the support beam 621 extends into the hook 7141 and fastens the hook 7141. The invention can realize the disassembly and assembly of the charging hopper 71 by driving the driving device, does not need to replace the pushing mechanism every time, and has the advantages of simple structure, cost saving and convenient disassembly and assembly.
Example two: refer to fig. 6 to 13
The difference between the first embodiment and the second embodiment is that the present embodiment further includes a pulling mechanism for pulling the pushing plate 72 to be capable of moving in a balanced manner in the bottom plate 713 of the hopper 71, and a pushing mechanism for moving the pushing plate 72 in the hopper 71.
The material pushing plate 72 includes a first end 721 and a second end 722, the material pushing mechanism is disposed on a side of the second end 722 facing the connecting plate 714, the material pushing mechanism is a telescopic arm, and the material pushing mechanism is a material pushing mechanism commonly used in the art, for example, the material pushing mechanism disclosed in chinese patent CN201820254570 can be used.
The traction mechanism comprises a steel wire rope 91 and a pulley block, the steel wire rope 91 comprises a first end 911 of the steel wire rope and a second end 912 of the steel wire rope, the pulley block comprises a first fixed pulley 921, a second fixed pulley 922 and a third fixed pulley 923, the first end 911 of the steel wire rope is fixedly arranged on one side of the second end 722 of the pushing plate facing the connecting plate 714, the second end 912 of the steel wire rope is fixedly arranged on one side of the first end 721 of the pushing plate facing away from the connecting plate 714, the first fixed pulley 921 is arranged on one side of the connecting plate 714 facing the pushing plate 72, two ends of the first vertical plate 711 are respectively provided with a first notch 7111 for the second fixed pulley 922 to penetrate and a second notch 7112 for the third fixed pulley 923 to penetrate, the first notch 7111 and the second notch 7112 are both arranged on one side of the first vertical plate 711 to the other side of the first vertical plate 711, the second fixed pulley is arranged in the first notch 7111, the third fixed pulley 923 is arranged in the second, the axis of the second fixed pulley 922 and the axis of the third fixed pulley 923 are both vertically arranged, the first fixed pulley 911, the second fixed pulley 912 and the third fixed pulley 923 are sequentially arranged between the first end 911 of the steel wire rope and the second end 912 of the steel wire rope, and the second end 912 of the steel wire rope is fixed on the first end 721 of the material pushing plate.
The pushing mechanism is arranged on one side of the feeding vehicle body 2, the pushing mechanism is driven by a single side in the embodiment, the pushing mechanism is a telescopic arm, and the pushing mechanism is a commonly used pushing mechanism in the field, such as a pushing mechanism disclosed in chinese patent CN 201820254570.
The material pushing mechanism comprises a fixed body 811 and a moving body 812, a first through hole 622 is formed in the mounting frame 62 corresponding to the material pushing mechanism, the fixed body 811 is fixedly connected with the first through hole 622, a third through hole 7142 is formed in the connecting plate 714 corresponding to the material pushing mechanism, and the moving body 812 penetrates through the third through hole 7142 and is connected with the material pushing plate 72. In the present embodiment, the fixing body 811 is fastened to the first through hole 622 by a screw bolt, but may be fixed by other fixing methods such as screw fixing, welding, and the like.
The invention has the beneficial effects that: the first end 911 and the second end 912 of the steel wire rope are respectively fixed with the first end 721 and the second end 722 of the material pushing plate, and the first fixed pulley 921, the second fixed pulley 922 and the third fixed pulley 923 are sequentially arranged between the first end 911 and the second end 912 of the steel wire rope; when the moving body 812 of the pushing mechanism is pushed out on one side, that is, the second end 722 of the pushing plate is pushed out on one side, at this time, the second end 912 of the wire rope provided at the second end 722 of the pushing plate is pulled by the first end 911 of the wire rope at the first end 721 of the pushing plate, that is, the first end 721 of the pushing plate is pulled to the outside of the hopper 71 at the same time, so that the pushing plate 72 can be in a state of being relatively balanced to be perpendicular to the bottom plate 713 of the hopper 71, and the material can be pushed out in a balanced manner.
The edge deflecting device in the embodiment mainly uses a smaller charging hopper 71 for a conventional charging car, and because the fourth through hole 7143 in the smaller charging hopper 71 cannot be matched with the second pushing mechanism 82 in the conventional skip car, so that the second pushing mechanism 82 is limited to the smaller charging hopper 71, the edge deflecting structure in the embodiment is adopted to limit the pushing plate 72, and the pushing plate 72 can push materials out of the bottom plate 713 of the charging hopper 71 in a balanced manner; on the other hand, if a hopper 71 with less materials is needed, the hopper 71 in the embodiment can be adopted, so that resource waste is avoided, and meanwhile, the cost is saved; the charging device 71 with the inclined edge structure can be produced in batches, and is simple and convenient to install and use.
When the feeding car used in combination with the feeding car provided by the invention is used for replacing the feeding hopper 71, the feeding hopper 71 can be firstly placed on the ground, the mounting frame 62 is driven by the driving device to move downwards to the lowest point along the lifting frame 61, at the moment, the supporting beam 621 is positioned at the lower end of the hook 7142, then the feeding car body 2 is driven to move forwards, so that the pushing mechanism on the mounting frame 62 penetrates through the feeding hopper 71, at the moment, the supporting beam 621 is positioned under the hook 7142, the first hooks 724 at two ends of the pushing plate 72 are placed in the second U-shaped groove through manual or mechanical equipment, and the end part of the moving body 911 of the first pushing mechanism 41 and the second hook 9121 at the end part of the moving body 911 of the second pushing mechanism 42 are placed in the first U-shaped groove and are clamped with; the drive means is then actuated again so that the mounting frame 62 moves up the elevator 21, at which time the support beam 621 extends into the hook 7142 and fastens the hook 7142. The invention can realize the disassembly and assembly of the charging hopper 71 by driving the driving device, does not need to replace the pushing mechanism every time, and has the advantages of simple structure, cost saving and convenient disassembly and assembly.
By adopting the design scheme, the invention has the beneficial effects that: the convex block 321 is locked on the through hole 311 of the first locking block 31 through the positioning groove 331 so as to connect the left side of the cab 1 and the left side of the charging car body 2, meanwhile, the right side of the cab 1 is in hinged fit with the right side of the charging car body 2 through the pin assembly 5, and the driving hydraulic oil cylinder 4 drives the cab 1 to overturn and reset; the invention adopts the simple and reliable locking component 3 to realize the lateral overturn of the cab 1, fully utilizes the space on the side surface of the cab 1, does not need to move the cab 1 by means of a traveling crane, and can realize the overturn and reset of the cab 1 only by one-man operation. The whole operation process is simple and easy to implement, the time for lifting the cab 1 by the travelling crane is saved, the maintenance efficiency is improved, and the maintenance cost is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a reinforced car, includes reinforced car body, locking Assembly and driver's cabin, its characterized in that: the hydraulic cylinder is hinged to the bottom of the cab, the other end of the hydraulic cylinder is hinged to the side wall of the charging car body, so that a telescopic rod of the hydraulic cylinder is driven by the hydraulic cylinder to open and close the side turning of the cab, one side of the cab is connected with one side of the charging car body through a pin shaft assembly, and the other side of the cab is connected with the other side, corresponding to the charging car body, of the charging car body through the locking assembly;
locking Assembly include the locking plate, with driver's cabin fixed connection's first locking piece and with reinforced car body fixed connection's second locking piece, be provided with the lug on the second locking piece, be provided with the confession on the first locking piece the through-hole that the lug was worn to put, be provided with positioning groove on the locking piece, positioning groove corresponds the lug sets up, with through this positioning groove will the lug lock in on the through-hole, and then connect first locking piece reaches the second locking piece.
2. The charging cart according to claim 1, characterized in that: the first locking block comprises a first bottom plate and first vertical plates which are respectively erected at two ends of the first bottom plate, and free ends of the two first vertical plates are fixedly connected with the bottom of the cab; the second locking block comprises a first top plate and second vertical plates which are respectively erected at two ends of the first top plate, and free ends of the two second vertical plates are fixedly connected with the charging car body;
the through hole is arranged on the first bottom plate and penetrates through the first bottom plate, the lug comprises a lug second end fixedly connected with the first top plate and a lug first end fixedly connected with the lug second end, and the diameter of the lug first end is larger than that of the lug second end;
the locking plate includes that locking plate first end and locking plate second are held, positioning groove sets up on the locking plate, just positioning groove's one end extends to locking plate first end, positioning groove keeps away from the diameter of locking plate first end is less than the diameter of lug first end, and is greater than the diameter of lug second end.
3. The charging cart according to claim 1, characterized in that: the pin shaft assembly comprises a pin, a first connecting piece fixedly connected with the cab and a second connecting piece fixedly connected with the charging car body, and pin holes for the pin to penetrate through are formed in the first connecting piece and the second connecting piece, so that the second connecting piece is locked on the first connecting piece through the pin, and the cab and the charging car body are connected.
4. The charging cart according to claim 1, characterized in that: still include the anti-shake device, the anti-shake device is established including the cover the first elastic washer of lug second end is in with the setting the second elastic washer of second locking piece bottom, first locking piece with be provided with first damping pad between the first elastic washer.
5. The charging cart according to claim 4, characterized in that: an adjusting bolt for connecting the lug and the second elastic washer is arranged between the lug and the second elastic washer, a compression nut and a second damping pad are arranged on the adjusting bolt, and the second elastic washer is sleeved on the bolt.
6. The charging cart according to claim 1, characterized in that: still including setting up the hoisting device and the connection of charging car body front end are in the feeding device of hoisting device front end, feeding device includes the loading hopper, sets up scraping wings in the loading hopper and be used for driving the scraping wings is in the pushing equipment of removal in the loading hopper, hoisting device includes hoisting frame, mounting bracket and is used for the drive the mounting bracket is followed the drive arrangement that the hoisting frame reciprocated, a side level of loading hopper is provided with a plurality of couple correspond on the mounting bracket and be provided with the confession the couple supports supporting beam that supports and lean on, a supporting beam sets up along the horizontal direction, the scraping wings with pushing equipment one side in opposite directions is provided with the joint structure of mutual joint respectively, pushing equipment with mounting bracket fixed connection.
7. The charging cart according to claim 6, characterized in that: the clamping structure comprises a first hook arranged on one side of the material pushing plate and a second hook arranged at the end part of the material pushing mechanism, the first hook and the material pushing plate form a first U-shaped groove which can supply the second hook to place and has an opening facing downwards, and the second hook and the end part of the material pushing mechanism form a second U-shaped groove which can supply the first hook to place and has an opening facing upwards.
8. The charging cart according to claim 6, characterized in that: the material pushing mechanism comprises a first material pushing mechanism and a second material pushing mechanism, the first material pushing mechanism and the second material pushing mechanism are arranged on the left side and the right side of the feeding vehicle body, the first material pushing mechanism is a first telescopic arm, the second material pushing mechanism is a second telescopic arm, the first telescopic arm and the second telescopic arm both comprise a fixed body and a moving body, a first perforation and a second perforation are arranged on the mounting frame, the fixed body of the first telescopic arm is fixedly connected with the first perforation, and the fixed body of the second telescopic arm is fixedly connected with the second perforation;
and one side of the loading hopper, which is opposite to the mounting frame, is provided with a third through hole and a fourth through hole, the moving body of the first telescopic arm penetrates through the third through hole, and the moving body of the second telescopic arm penetrates through the fourth through hole.
9. The charging cart according to claim 6, characterized in that: the material pushing device comprises a loading hopper, a pushing plate and a pulling mechanism, wherein the loading hopper is provided with a bottom plate, the pushing plate is used for pushing the pushing plate to move on the bottom plate of the loading hopper in a balanced manner, the pushing mechanism comprises a first pushing mechanism, the first pushing mechanism is a first telescopic arm, the first telescopic arm comprises a fixed body and a moving body, a first through hole is formed in the mounting frame, the first through hole is fixedly connected with the fixed body of the first telescopic arm, a third through hole is formed in one side, opposite to the mounting frame, of the loading hopper, and the moving body of the first telescopic arm penetrates through the third through hole;
the pushing plate comprises a first pushing plate end and a second pushing plate end connected with the pushing mechanism, the traction mechanism comprises a steel wire rope and a pulley block, one end of the steel wire rope is connected with the second pushing plate end, the other end of the steel wire rope is connected with the first pushing plate end, two ends of the steel wire rope are respectively arranged on two sides of the pushing plate, the pulley block is arranged on the charging hopper, and the steel wire rope bypasses the pulley block.
10. The charging cart according to claim 9, characterized in that: the loading hopper includes bottom plate, first vertical plate, second vertical plate and connecting plate, the assembly pulley is including setting up first fixed pulley on the connecting plate, setting are in second fixed pulley and setting that first vertical plate was served are in third fixed pulley on the first vertical plate other end, first fixed pulley the second fixed pulley and the third fixed pulley sets gradually the wire rope first end with between the wire rope second end.
CN202011618942.8A 2020-12-31 Charging vehicle Active CN112723255B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011618942.8A CN112723255B (en) 2020-12-31 Charging vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011618942.8A CN112723255B (en) 2020-12-31 Charging vehicle

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CN112723255B CN112723255B (en) 2024-07-02

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KR20090070667A (en) * 2007-12-27 2009-07-01 두산인프라코어 주식회사 Rubber mounting structure capable of adjusting vibration constant
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CN209521772U (en) * 2018-10-25 2019-10-22 北汽福田汽车股份有限公司 A kind of vehicle and its locking structure
CN210198098U (en) * 2019-04-17 2020-03-27 福建华南重工机械制造有限公司 But reinforced car of quick replacement loading hopper
CN111448127A (en) * 2017-12-06 2020-07-24 沃尔沃建筑设备公司 Assembly for releasably engaging an upper vehicle part with a base vehicle part
CN214653392U (en) * 2020-12-31 2021-11-09 福建华南重工机械制造有限公司 Charging vehicle

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080106122A1 (en) * 2006-11-08 2008-05-08 Caterpillar Inc. Operator cab tilting apparatus
CN101177151A (en) * 2006-11-08 2008-05-14 卡特彼勒公司 Operator cab tilting apparatus
KR20090070667A (en) * 2007-12-27 2009-07-01 두산인프라코어 주식회사 Rubber mounting structure capable of adjusting vibration constant
CN101914888A (en) * 2010-08-09 2010-12-15 三一重工股份有限公司 Cab with turnover mechanism and dual-steel wheel road roller
CN111448127A (en) * 2017-12-06 2020-07-24 沃尔沃建筑设备公司 Assembly for releasably engaging an upper vehicle part with a base vehicle part
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CN210198098U (en) * 2019-04-17 2020-03-27 福建华南重工机械制造有限公司 But reinforced car of quick replacement loading hopper
CN214653392U (en) * 2020-12-31 2021-11-09 福建华南重工机械制造有限公司 Charging vehicle

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