CN111003665A - Mountain land transportation equipment and application thereof - Google Patents
Mountain land transportation equipment and application thereof Download PDFInfo
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- CN111003665A CN111003665A CN201911326312.0A CN201911326312A CN111003665A CN 111003665 A CN111003665 A CN 111003665A CN 201911326312 A CN201911326312 A CN 201911326312A CN 111003665 A CN111003665 A CN 111003665A
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- 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
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/042—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
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- 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0608—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement driven by screw or spindle
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- 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
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- 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0658—Multiple scissor linkages horizontally arranged
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- 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
- B66F9/065—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 non-masted
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- 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
- B66F9/07513—Details concerning the chassis
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Civil Engineering (AREA)
- Handcart (AREA)
Abstract
The invention relates to mountain transport equipment and application thereof, wherein the mountain transport equipment comprises a vehicle body structure and a lifting structure arranged on the vehicle body structure; the vehicle body structure comprises a carriage, a suspension device, a motor box, wheels and universal wheels; the wheel is connected with the carriage through the suspension device, the motor box is arranged at the bottom of the carriage and is in transmission connection with the wheel, the motor box is connected with an extension rod, and the tail end of the extension rod is provided with the universal wheel; the lifting structure comprises an object stage, a lifting device and a power device; the lifting device is arranged in the carriage and connected with the bottom of the objective table, the power device is connected with the lifting device, and the lifting device is driven by the power device to be supported or fall down so as to drive the objective table to lift. The mountain land transportation equipment provided by the invention has higher obstacle crossing capability and stability, and meanwhile, the lifting structure can meet different operation heights, can realize self-locking and ensures the safety.
Description
Technical Field
The invention relates to a mountain transport device and application thereof, in particular to a liftable mountain transport vehicle, and belongs to the technical field of mountain vehicles.
Background
At present, although various transportation modes are developed, most of goods are transported in mountainous areas by livestock or manpower, and the existing equipment has poor off-road capability in rugged places. When manual transportation is adopted in mountainous areas, the physical consumption is large, and the transportation efficiency is low. At present, the defects of similar equipment at home and abroad mainly comprise: the moped has the advantages of large volume, poor flexibility and difficult operation, and meanwhile, similar equipment cannot be found in the moped with the lifting function at home and abroad.
Chinese patent document CN207015365U discloses a folding mountain transport vehicle and a folding power transmission line transport vehicle, the folding mountain transport vehicle includes a frame, wheels and support legs, the frame includes a wheel carrier, a carrier and a handle rack which are arranged in sequence, the carrier includes a middle mounting beam and two support frames symmetrically hinged on two sides of the middle mounting beam, the carrier further includes a first limit mechanism and a second limit mechanism, the first limit mechanism and the second limit mechanism are used for preventing the two support frames from approaching each other to form a carrying space to carry goods. The first limiting mechanism and the second limiting mechanism are removed, the two supporting frames can be folded together, the whole volume of the frame is reduced, and when narrow paths are met, the construction site can be carried by the construction personnel more conveniently, and construction is facilitated.
Chinese patent document CN204749774U provides a mountain off-road load-carrying vehicle including a first vehicle body and a second vehicle body arranged in front and rear. Mountain cross-country load transport vechicle is formed by first automobile body and second automobile body are articulated, through turning to the machine, the angle that two automobile body bending forms of steering device control such as pneumatic cylinder, make the vehicle turn, the radius of turning is little, be favorable to going in narrow and small mountain road area in space, the perk of car hopper rear portion, the goods that make the car hopper adorn can be along the slope of formation downwards and to the middle part landing of vehicle, make the goods be close to the middle part of vehicle as far as, make the holistic center of vehicle also be close to the middle part of vehicle as far as, the stability of vehicle when mountain road operation has been improved, also be the vehicle when climbing, the goods in the car hopper can not slide backward and fall out, the security of transportation has been guaranteed.
Traditional mountain region transport wheel is or bulky, and the cost is expensive, can't carry out nimble operation in limited space, or stability is relatively poor, can not guarantee safe operation in rugged road surfaces such as mountain region, and the danger coefficient is high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides mountain transportation equipment which has a lifting function, can realize high-altitude operation for carrying people and goods, has good off-road performance and stability, can effectively pass through mountain rugged road and can stably move ahead on the mountain rugged road.
The invention also provides a working method of the mountain transportation equipment.
The technical scheme of the invention is as follows:
a mountain land transportation device comprises a vehicle body structure and a lifting structure arranged on the vehicle body structure;
the vehicle body structure comprises a carriage, a suspension device, a motor box, wheels and universal wheels; the wheel is connected with the carriage through the suspension device, the motor box is arranged at the bottom of the carriage and is in transmission connection with the wheel, the motor box is connected with an extension rod, and the tail end of the extension rod is provided with the universal wheel;
the lifting structure comprises an object stage, a lifting device and a power device; the lifting device is arranged in the carriage and connected with the bottom of the objective table, the power device is connected with the lifting device, and the lifting device is driven by the power device to be supported or fall down so as to drive the objective table to lift.
Preferably, the wheels are forward and the castor wheels are rearward. The advantage of this design is that equipment is forerunner's type, and the wheel is the drive wheel in the front, provides power, and the universal wheel is the follower after, provides the steady force, has prevented to turn on one's side, meets complicated road conditions manpower and can provide support.
Preferably, the carriage comprises a bottom plate, side plates and a carriage plate, the bottom plate and the side plates on the periphery are connected into a concave box body, and the carriage plate is connected to the upper surfaces of the side plates on the periphery.
Preferably, the lifting device comprises two groups of lifting units, and each group of lifting units comprises a lower bottom plate, an upper supporting plate, an upper support, a lower support and a screw rod; the lower base plate is arranged on the vehicle bottom plate, the two lower support seats are hinged with the lower base plate, and the two lower support seats are meshed through a gear; the upper supporting plate is arranged on the lower surface of the objective table, the two upper supports are hinged with the upper supporting plate, and the two upper supports are meshed through a gear; the upper support and the lower support are connected through two small screw rods, the screw rod penetrates through the two small screw rods and is in threaded connection, and the power device is connected with one end of the screw rod.
Preferably, the power device selects a motor, and the motor is connected with the small screw rod through a motor fixing block.
Preferably, the other end of the screw rod is sequentially connected with a self-locking nut and a self-locking plate in a penetrating mode, and two sides of the self-locking plate are connected with the small screw rods. The advantage of this design is that, the motor drives the same motion of auto-lock nut along with little screw when rotating, and when reacing appointed height, the auto-lock nut of manual screwing reaches the auto-lock effect.
Preferably, guard rails are arranged on two sides of the object stage.
Preferably, the front end of the sweep is provided with a horizontal handle, and the rear end of the sweep is provided with a handle and a baffle.
Preferably, the left side and the right side of the vehicle plate are symmetrically provided with the mud guards.
Preferably, the motor box is connected with the wheels through a power shaft, a differential mechanism and a transmission shaft in sequence, and the differential mechanism is arranged on the lower surface of the vehicle bottom plate.
A working method of mountain land transportation equipment comprises the following steps:
in a mountain environment, a worker holds the handle, and the motor box drives the wheels to rotate, so that the equipment moves forwards; when the operation needs to be stopped, the motor box stops running, then the motor is started, the screw rod is driven to rotate, the objective table is supported to reach a certain height, and the operation is carried out;
after the operation is finished, the motor is started reversely to drive the screw rod to rotate reversely so as to enable the objective table to fall down; the motor box is started again to drive the wheels to rotate, so that the equipment continues to move forward.
The invention has the beneficial effects that:
1) according to the mountain transportation equipment provided by the invention, the front large wheel can improve the cross-country capacity, the small wheel is prevented from being unstable, the small wheel cannot fall into a small ditch and climb out, the small wheel can be pulled out by the large wheel power support when meeting a complex road condition at the rear, meanwhile, a certain support can be provided by people when necessary, and the small wheel has no advantage in the front.
2) According to the mountain transportation equipment provided by the invention, the transportation equipment is provided with the lifting device, the platform of the transportation equipment can be lifted to a certain height under special conditions, self-locking is realized below the transportation equipment through the screw rod, the self-locking nut, the self-locking plate and the like, and the burden of manually transporting articles to a high place or transporting the articles from the high place to the equipment is reduced.
3) The mountain land transportation equipment provided by the invention adopts the four-wheel mechanism, and when the terrain is relatively flat, the trolley can maintain the balance without hands, so that the burden of people is reduced.
Drawings
Fig. 1 is a general structure division diagram.
Fig. 2 is a schematic diagram of the overall structure.
Fig. 3 is a schematic diagram of the lifting device being raised.
Fig. 4 is a schematic view of the power-assisted vehicle.
Fig. 5 is a schematic structural view of the lifting device on the vehicle bottom plate.
Fig. 6 is a schematic view of the structure of the lifting device on the bottom plate of the belt car.
Fig. 7 is a view showing the stage attached to the floor.
Fig. 8 is a schematic structural view of the lifting device.
FIG. 9 is a schematic view of a lower floor structure
FIG. 10 is a schematic view of the connection of the lower rod to the lower plate.
FIG. 11 is a schematic view of the rear end motor of the lead screw.
Fig. 12 is a schematic view of the lower end structure of the lifting device.
Fig. 13 is a schematic structural view of the lower rod and the upper rod.
Fig. 14 is a schematic structural view of the locking device.
Fig. 15 is a schematic structural view of the locking device.
FIG. 16 is a schematic view of the rear end motor of the lead screw.
Fig. 17 is a schematic structural diagram of an upper support plate.
Fig. 18 is a schematic view of the stage structure.
Fig. 19 is a schematic view of a structure of a small screw.
Fig. 20 is a schematic view of the connection of the upper rod to the stage.
Fig. 21 is a schematic view of the structure of the container.
FIG. 22 is a front view of the vehicle body structure.
Fig. 23 is a schematic view of the vehicle body structure.
Wherein: 1. a lifting structure; 2. a vehicle body structure; 3. a motor device; 4. a wheel structure; 101. an object stage; 102. a motor; 103. a lower base plate; 104. a motor fixing block; 105. a screw rod; 106. a self-locking nut; 107. a self-locking plate; 108. a screw; 109. an upper support plate; 110. a screw; 111. a lower support; 112. a circular gear; 113. a small screw; 115. an upper support; 201. a handle; 202. turning a plate; 203. a baffle plate; 204. a fender; 205. a horizontal handle; 206. a vehicle bottom plate; 301. a wheel; 302. a differential mechanism; 303. a drive shaft; 304. a motor case; 305. a universal wheel; 306. a power shaft.
Detailed Description
The present invention will be further described by way of examples, but not limited thereto, with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 to 23, the present embodiment provides a mountain transportation apparatus, which includes a vehicle body structure 2 and a lifting structure 1 disposed thereon;
a vehicle body structure 2 including a vehicle compartment, a suspension device, a motor compartment 304, wheels 301, and universal wheels 305; the wheels 301 are connected with a carriage through a suspension device, the motor box 304 is arranged at the bottom of the carriage, the motor box 304 is in transmission connection with the wheels 301, the motor box 304 is connected with an extension rod, and the tail end of the extension rod is provided with the universal wheel 305;
the lifting structure comprises an object stage, a lifting device and a power device; the lifting device is arranged in the carriage and connected to the bottom of the objective table 101, the power device is connected with the lifting device, and the lifting device is driven by the power device to be supported or fall down so as to drive the objective table 101 to lift.
Specifically, the apparatus as a whole is of the front-drive type, with the wheels 301 in front and the universal wheels 305 in rear. The wheels 301 are big wheels with a diameter of 0.5-2 m, and the universal wheels 305 are small wheels. The big wheel is in the front portion that equipment was marchd, and through motor case 304 drive big wheel marchd, has stronger ability of hindering more, and the dolly wheel can play the stabilizing effect after, avoids the railway carriage to heels, and the big wheel is the drive wheel simultaneously, can drive the truckle (the truckle is the follower) and move ahead, avoids the truckle to be absorbed in the ditch.
The carriage comprises a bottom plate 206, side plates and a carriage plate, wherein the bottom plate and the side plates on the periphery are connected into a concave box body, and the carriage plate 202 is connected to the upper surfaces of the side plates on the periphery. Lifting device installs in concave type box, and lifting device descends the back, and objective table 101 bottom surface falls on sweep 202, and sweep 202 can play the effect of bearing objective table 101, and concave type box can hold lifting device's subassembly.
The lifting device comprises two groups of lifting units which are symmetrically arranged at the bottom of the objective table 101. Each group of lifting units comprises a lower bottom plate 103, an upper supporting plate 109, an upper support 115, a lower support 111 and a screw rod 105; the lower bottom plate 103 is welded on the vehicle bottom plate 206, the two lower supports 111 are hinged with the lower bottom plate 103, and the two lower supports 111 are meshed through a gear; the upper supporting plate 109 is arranged on the lower surface of the object stage 101, the two upper supporting seats 115 are hinged with the upper supporting plate 109, and the two upper supporting seats 115 are meshed through gears; the upper support 115 is connected with the lower support 111 through two small screws 113, the screw rod 105 penetrates through the two small screws 113 and is in threaded connection, and the power device is connected with one end of the screw rod.
The lower base plate 103 is a concave block as shown in fig. 9, two groups of through holes are symmetrically formed in two sides of the concave block, the lower support 111 is a C-shaped plate, the bottom ends of the two lower support 111 are connected with meshed circular gears 112, two screws 110 penetrate through the through holes and the circular gears 112 on the lower base plate 103, and the lower support 111 is fixedly installed on the lower base plate 103 as shown in fig. 10.
The upper supporting plate 109 is integrally a concave block as shown in fig. 17, mounting holes are formed in three side edges of the concave block, the mounting holes are mounted on the lower surface of the objective table 101 through screws 108, the upper support 115 and the lower support 111 are C-shaped plates, the top ends of the two upper supports 115 are connected with gears which are meshed with each other, and the two screws penetrate through the through holes and the gears of the upper supporting plate to fixedly mount the upper support 115 on the upper supporting plate 109.
The two upper supports 115 and the two lower supports 111 form a diamond-shaped connecting structure, the diamond-shaped connecting structure is connected through two small screws 113 at two ends, the small screws 113 are provided with threads to pass through, one screw rod 105 connects the two small screws 113 through the threads, one end of the screw rod 105 is driven by a motor 102, the motor 102 is installed and connected with the small screws 113 through a motor fixing block 104, the other end of the screw rod 105 is provided with a self-locking nut 106 and a self-locking plate 107, two ends of the self-locking plate 107 are installed and connected with two ends of the outer side of the small screws 113, the self-locking plate 107 is C-shaped, the self-locking nut 106 is arranged on the inner side of the self-locking plate 107, the self-locking plate 107, when the height reaches a designated height, the self-locking nut 106 is manually screwed to achieve a self-locking effect, and the self-locking nut 106 and the self-locking plate 107 are matched to lock the screw rod 105 to prevent sliding, so that the objective table 101 is stably operated at a certain height. Guard rails are installed on both sides of the stage 101 to prevent people or objects from falling down accidentally.
A horizontal handle 205 is attached to the front end of the vehicle body panel 202, and a grip 201 and a retainer 203 are attached to the rear end of the vehicle body panel 202. The worker holds the handle 201 to grasp the forward direction of the equipment, and simultaneously the handle can play a role in assisting the pushing force. When meeting difficulty, the horizontal handle 205 at the front end can help others get rid of the trouble through the horizontal handle 205.
The motor box 304 is connected with wheels 301 through a power shaft 306, a differential mechanism 302 and a transmission shaft 303 in sequence, and the differential mechanism is installed on the lower surface of the vehicle bottom plate 206. A driving motor and a microcomputer are arranged in a motor box for control, an output shaft of the driving motor is connected with a power shaft 306 through a coupler, the power shaft 306 is connected with a differential mechanism 302, the differential mechanism 302 is a differential mechanism in the embodiment, and the differential mechanism is connected with two wheels 301 through transmission shafts 303 on two sides to output power to the wheels 301 and drive the wheels 301 to rotate.
Example 2:
a mountain transport apparatus is constructed as described in embodiment 1, except that: mud guards 204 are symmetrically arranged on the left side and the right side of the vehicle plate 202, so that mud on the wheels 301 can be prevented from splashing.
Example 3:
the working method of the mountain land transportation equipment as described in embodiment 1 comprises the following working processes:
in a mountain environment, a worker holds the handle 201, the motor box 304 drives the wheels 301 to rotate, so that the equipment moves forwards, the large wheels are driving wheels and drive the compartment to move forwards, and the universal wheels 305 are driven wheels and play a role in stabilizing the vehicle body; when the operation needs to be stopped, the motor box 304 stops running, then the motor 102 is started, the screw rod 105 is driven to rotate to support the object stage 101 to reach a certain height, and the operation is carried out;
after the operation is finished, the motor 102 is started reversely, the screw rod 105 is driven to rotate reversely to enable the objective table 101 to fall down, the objective table 101 falls on the upper surface of the vehicle plate 202, and the upper support 115 and the lower support 111 fall in the concave box body; the motor box 304 is started again to drive the wheels 301 to rotate, so that the equipment continues to move forwards.
Claims (10)
1. A mountain land transportation device comprises a vehicle body structure and a lifting structure arranged on the vehicle body structure, and is characterized in that the vehicle body structure comprises a vehicle body and a lifting structure arranged on the vehicle body;
the vehicle body structure comprises a carriage, a suspension device, a motor box, wheels and universal wheels; the wheel is connected with the carriage through the suspension device, the motor box is arranged at the bottom of the carriage and is in transmission connection with the wheel, the motor box is connected with an extension rod, and the tail end of the extension rod is provided with the universal wheel;
the lifting structure comprises an object stage, a lifting device and a power device; the lifting device is arranged in the carriage and connected with the bottom of the objective table, the power device is connected with the lifting device, and the lifting device is driven by the power device to be supported or fall down so as to drive the objective table to lift.
2. The mountain transportation apparatus of claim 1, wherein the wheels are forward and the castor wheels are rearward.
3. The apparatus for transporting mountain land of claim 1, wherein the platform comprises a floor, side panels and a floor, the floor and the side panels being connected to form a concave box, the floor being attached to the upper surface of the side panels.
4. The mountain transportation apparatus of claim 3, wherein the lifting device comprises two sets of lifting units, each set of lifting units comprising a lower base plate, an upper support, a lower support and a screw rod; the lower base plate is arranged on the vehicle bottom plate, the two lower support seats are hinged with the lower base plate, and the two lower support seats are meshed through a gear; the upper supporting plate is arranged on the lower surface of the objective table, the two upper supports are hinged with the upper supporting plate, and the two upper supports are meshed through a gear; the upper support and the lower support are connected through two small screw rods, the screw rod penetrates through the two small screw rods and is in threaded connection, and the power device is connected with one end of the screw rod.
5. The mountain transportation apparatus of claim 4, wherein the power device is a motor coupled to the small screw via a motor mounting block.
6. The mountain transportation apparatus of claim 4, wherein the other end of the screw rod is sequentially connected with a self-locking nut and a self-locking plate in a penetrating manner, and two sides of the self-locking plate are connected with the small screw rods.
7. The mountain transportation apparatus of claim 1, wherein guard rails are provided on both sides of the stage.
8. The mountain transportation apparatus of claim 3, wherein the front end of the deck is provided with a horizontal pull handle and the rear end of the deck is provided with a handle and a stop.
9. The mountain transportation apparatus of claim 3, wherein the motor box is connected with the wheels through a power shaft, a differential mechanism and a transmission shaft in sequence, and the differential mechanism is arranged on the lower surface of the vehicle bottom plate.
10. A method of operating mountain transportation apparatus as claimed in any one of claims 1 to 9 comprising the steps of:
in a mountain environment, a worker holds the handle, and the motor box drives the wheels to rotate, so that the equipment moves forwards; when the operation needs to be stopped, the motor box stops running, then the motor is started, the screw rod is driven to rotate, the objective table is supported to reach a certain height, and the operation is carried out;
after the operation is finished, the motor is started reversely to drive the screw rod to rotate reversely so as to enable the objective table to fall down; the motor box is started again to drive the wheels to rotate, so that the equipment continues to move forward.
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CN201911326312.0A CN111003665A (en) | 2019-12-20 | 2019-12-20 | Mountain land transportation equipment and application thereof |
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CN201911326312.0A CN111003665A (en) | 2019-12-20 | 2019-12-20 | Mountain land transportation equipment and application thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114084844A (en) * | 2021-12-03 | 2022-02-25 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Load transferring platform |
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