CN108860342A - A kind of field transport vehicle - Google Patents
A kind of field transport vehicle Download PDFInfo
- Publication number
- CN108860342A CN108860342A CN201810519881.6A CN201810519881A CN108860342A CN 108860342 A CN108860342 A CN 108860342A CN 201810519881 A CN201810519881 A CN 201810519881A CN 108860342 A CN108860342 A CN 108860342A
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- Prior art keywords
- charging box
- conveying section
- conveyer belt
- transport vehicle
- section
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/06—Endless track vehicles with tracks without ground wheels
- B62D55/065—Multi-track vehicles, i.e. more than two tracks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/36—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using endless chains or belts thereon
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Body Structure For Vehicles (AREA)
- Handcart (AREA)
Abstract
The present invention relates to a kind of field transport vehicles, including front frame, Rear frame, driver's cabin, mating dynamical system, creeper undercarriage, charging box, conveyer belt；Front frame is fixed on the front end of creeper undercarriage, and Rear frame is mounted on creeper undercarriage rear end, and driver's cabin and dynamical system are mounted in front frame, and dynamical system provides power for vehicle, and the top of crawler unit is equipped with charging box；Conveyer belt is rotary folding type, is divided into the level transportation section mutually rotated, intermediate conveying section, changeover portion, top conveying section；When conveyer belt is withdrawn, intermediate conveying section, top conveying section are folded into the shape being bonded with charging box side wall；When conveyer belt is unfolded, intermediate conveying section, changeover portion, top conveying section form the path that cargo is sent out to charging box；The bottom angled of charging box, level transportation section are located at the lowest position of charging box bottom.Structure is simple, is suitable for the complex landforms such as field ridge, mountain and hill, belongs to field agricultural transport technology.
Description
Technical field
The present invention relates to field agricultural transport technologies, and in particular to a kind of field transport vehicle.
Background technique
Present agriculture vehicle, agricultural transport equipment can only meet country road transport, be not appropriate on field, ridge
Carry out hauling operation；Especially plantation is grown in hills, crops, such as southern sugarcane on mountainous region etc..In these landforms
Complicated place, in harvest, general road transport vehicle is relatively difficult to enter and works normally crops.
The means of transport and means of transportation that can be used on the complex landforms such as field ridge, hilly and mountainous land at present generally limit
In hutching or manual handling, wherein hutching structure includes vehicle frame, wheel there are two installations below vehicle frame, vehicle frame
Rear is equipped with a pair of armrests, this structure is simple but due to needing Manual-pushing, and large labor intensity, conevying efficiency is low, balances simultaneously
Property is poor, inconvenient for operation, and when to ship taller and bigger freight, and need to carry out secondary manual handling or by additional
Handbarrow, so that more manpower and material resources can be consumed.Therefore be badly in need of it is a kind of be used in field ridge, hilly and mountainous land it is convenient
Means of transport.
Summary of the invention
For the technical problems in the prior art, the purpose of the present invention is：One kind is provided to be easy to cargo exporting dress
Hopper, and conveyer belt folding field transport vehicle when not in use.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of field transport vehicle, including front frame, Rear frame, driver's cabin, dynamical system, creeper undercarriage, charging box,
Conveyer belt；Front frame is fixed on the front of creeper undercarriage, and Rear frame is mounted on creeper undercarriage rear end, driver's cabin and dynamic
Force system is mounted in front frame, and dynamical system connects with creeper undercarriage, and charging box is mounted on creeper undercarriage；It is defeated
Sending band is rotary folding type, is divided into the level transportation section mutually rotated, intermediate conveying section, changeover portion, top conveying section；It is defeated
When band being sent to withdraw, intermediate conveying section, top conveying section are folded into the shape being bonded with charging box side wall；When conveyer belt is unfolded, in
Between conveying section, changeover portion, top conveying section formed by cargo send out charging box path；The bottom angled of charging box, it is horizontal defeated
The lowest position for sending section to be located at charging box bottom.
As a preference, conveyer belt further includes first hydraulic cylinder, second hydraulic cylinder, scraper component；Intermediate conveying section exists
It is rotated under the action of first hydraulic cylinder around level transportation section, top conveying section and changeover portion are under the action of second hydraulic cylinder in
Between conveying section rotate；Scraper component is sequentially arranged in the surface of conveyer belt along the conveying direction of conveyer belt.
As a preference, conveyer belt further includes auxiliary rod；Top conveying section two side ends are equipped with auxiliary rod, and in symmetrical
Distribution, one end of auxiliary rod are connect with second hydraulic cylinder, and the other end of second hydraulic cylinder is mounted on the side of intermediate conveying section, the
Two hydraulic cylinders, changeover portion, top conveying section, auxiliary rod form four-bar mechanism, to utilize the motion principle of four-bar mechanism
Realize that the folding of conveyer belt is withdrawn or is unfolded；One end of first hydraulic cylinder is mounted on the side of intermediate conveying section, other end installation
On charging box.
As a preference, intermediate conveying section and level transportation section are in 90 degree, and changeover portion is defeated with level when conveyer belt is withdrawn
Send section parallel, and top conveying section is parallel with intermediate conveying section.
As a preference, charging box includes preceding charging box, rear charging box and support fixed beam, preceding charging box and afterwards charging
It is symmetrical arranged before and after case and is linked into an integrated entity by rectangle steel, the bottom of preceding charging box is rear to fill by front upper place inclined downward backward
The bottom of hopper is tilted by back upper place forward downward, is located at forward and backward charging box along the level transportation section that left and right directions extends
Between bottom；Preceding charging box and rear charging box are relatively fixed by support fixed beam and creeper undercarriage.
As a preference, the inclination angle of the bottom of forward and backward charging box is 15 degree.
As a preference, a kind of field transport vehicle, further includes two lifting frames, lifting frame includes vertical stand, bottom shelf
And hinged block；Vertical stand is fixed on one end of bottom shelf, and hinged block is fixed on the other end of bottom shelf；Charging box further includes hinged
Seat, hinged seat are mounted on lower one end in bottom of forward and backward charging box, and hinged seat and hinged block cooperation are to two lifting frames point
It is not rotated around forward and backward charging box；When initial position, forward and backward charging box is bonded with internal corresponding lifting frame；Lifting frame and charging
Case is designed as respective independent sector, realizes lifting frame and moves, charging box is fixed.
As a preference, the driving device of two lifting frames is self-unloading oil cylinder, one end of two self-unloading oil cylinders with
The bottom shelf rotary type connection of corresponding lifting frame, the other end of a self-unloading oil cylinder are connect with front frame rotary type, a self-unloading
The other end of oil cylinder is connect with Rear frame rotary type.
As a preference, the both ends of the scraper plate of scraper component in the conveying direction are equipped with a line sawtooth, sawtooth protrusion
With the surface of scraper plate.
As a preference, dynamical system includes engine, transfer case, diesel fuel tanks, hydraulic oil container；Diesel fuel tanks and engine
Connect, engine is connected by transfer case with creeper undercarriage, and engine, transfer case, diesel fuel tanks are fixed in front frame, liquid
Pressure oil case is fixed in Rear frame.
Generally speaking, the invention has the advantages that：
1. field transport vehicle is small-sized field handbarrow, useful load is 10 cubic metres, while using crawler travel, and
Wheelspan is 1.2mm, enhances the operation adaptive capacity in field, mountain and hill area.
2. charging box and lifting frame are designed as respective independent sector, charging box is fixed, and lifting frame realizes lifting movement, this
Movement separation keeps vehicle discharge system structure simpler, easy to operate, while reducing the energy consumption and weight of vehicle.
3. the centre of charging box is equipped with conveyer belt, vehicle center of gravity is further made to be located at the centre of creeper undercarriage；Make whole
More stable safety when garage is walked.
4. conveyer belt may be implemented to withdraw and be unfolded, when it is fully retracted, level transportation section is horizontally disposed, intermediate conveying section
It is in 90 degree with level transportation section, changeover portion is parallel with level transportation section, and top conveying section is parallel with intermediate conveying section, while with
The side of charging box is parallel, not only make vehicle more attractive, at the same solve because conveyer belt there are due to there is ultra-wide, superelevation is asked
Topic；Furthermore the difference of degree is unfolded according to conveyer belt, is adapted to the charging requirement of the road transport vehicle of different height.
5. the both ends of charging box and lifting frame tilt 15 degree upwards, therefore material has portion under self gravitation effect
Divide and slide to intermediate conveyor belt downwards, the weight of material that lifting frame needs to hold up at this time will reduce, to reduce to lifting frame
Design strength requirement, while can reduce the lifting force and stroke of self-unloading oil cylinder, play the role of energy conservation, cost declining.
6. the material in charging box is to intermediate conveyor belt discharging, then by conveyer belt by material under the action of lifting frame
Shipment is walked, therefore the center of gravity of vehicle is still able to maintain in the middle position of creeper undercarriage during discharge operation, from
And it can effectively avoid transport vehicle and lateral or longitudinal overturning occur.
7. structure is simple, is suitable for the complex landforms such as field ridge, mountain and hill.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of field transport vehicle.
Fig. 2 is the conveyer belt expanded view of Fig. 1.
The front view of field transport vehicle when Fig. 3 is lifting frame lifting.
Fig. 4 is the structural schematic diagram of front frame.
Fig. 5 is the structural schematic diagram of charging box.
Fig. 6 is the structural schematic diagram of lifting frame.
In order to not influence clearly showing that for structure, the charging box and lifting frame of upper figure do not show the wall that actually should include
Plate.
Appended drawing reference：1, driver's cabin；2, engine；3, transfer case；4, charging box；4-1, preceding charging box；4-2, rear charging
Case；4-3, support fixed beam；4-4, hinged seat；5, lifting frame；5-1, vertical stand；5-2, bottom shelf；5-3, hinged block；6, self-unloading
Oil cylinder；7, creeper undercarriage；8, conveyer belt；8-1, level transportation section, 8-2, intermediate conveying section；8-3, changeover portion；8-4, on
Square conveying section；9, front frame；9-1, support beam；9-2, mounting rack；10, first hydraulic cylinder；11, second hydraulic cylinder；12, it assists
Bar；13, hydraulic motor；14, scraper component；15, Rear frame；16, hydraulic oil container；17, diesel fuel tanks.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described in detail.
Referring to Fig. 1-Fig. 6, a kind of field transport vehicle, including driver's cabin 1, charging box 4, lifting frame 5, conveyer belt 8, front frame
9, creeper undercarriage 7, Rear frame 15 and matched dynamical system.Front frame 9 includes support beam 9-1 and mounting rack 9-
2, wherein mounting rack 9-2 is fixed on support beam 9-1, and support beam 9-1 is fixed on creeper undercarriage 7；Front frame 9
The upper surface of be equipped with driver's cabin 1, engine 2 and transfer case 3；Engine 2 is connect with transfer case 3, and is mounted on the right side of driver's cabin 1
Side.
The upper surface of creeper undercarriage 7 is equipped with charging box 4, and charging box 4 divides for preceding charging box 4-1 and rear charging box 4-2, and
It is linked into an integrated entity by rectangle steel, the bottom of preceding charging box 4-1 and rear charging box 4-2 tilt, and are with the angle of horizontal plane
10~15 degree, therefore material, when putting into charging box 4, material under the effect of gravity, slides into charging box 4 automatically
Between, so that transport vehicle is remained that center of gravity is located at centre when carrying out charging work, to keep the charging course of work more steady
Safety；It is equipped with hinged seat 4-4 on two crossbeams of intermediate symmetry of charging box 4, and there are three the equidistant arrays of hinged seat 4-4, together
The front and back end floor beam of fashionable dress hopper 4 and intermediate transverse girder lower surface are equipped with two support fixed beam 4-3, and support fixed beam 4-3 is perpendicular
It is straight downward and symmetrical.
The centre of charging box 4 is equipped with conveyer belt 8, and vehicle center of gravity is further made to be located at the centre of creeper undercarriage 7；Conveying
Band 8 includes level transportation section 8-1, centre conveying section 8-2, changeover portion 8-3 and top conveying section 8-4 and scraper component 14；Its
Middle level transportation section 8-1 is fixed on the crossbeam of charging box 4, and intermediate conveying section 8-2 can be under the action of first hydraulic cylinder 10
It is rotated around level transportation section 8-1, changeover portion 8-3 and centre conveying section 8-2 are rotatablely connected, top conveying section 8-4 and changeover portion
Rotation connection, while top conveying section 8-4 two side ends are equipped with auxiliary rod 12, and are symmetric, one end of auxiliary rod 12 with
Second hydraulic cylinder 11 connects, and the other end of second hydraulic cylinder 11 is mounted on the side of intermediate conveying section 8-2；In second hydraulic cylinder 11
Under the action of, changeover portion 8-3, top conveying section 8-4, auxiliary rod 12 form four-bar mechanism, to utilize four-bar mechanism
Motion principle realizes folding shrinking and the expansion of conveyer belt 8.Transport vehicle is when field carries out material car loading operation, 8 folding of conveyer belt
Overlapping is returned, and after complete withdraw, intermediate conveying section 8-2 and level transportation section 8-1 are in 90 degree, changeover portion 8-3 and level transportation section
8-1 is parallel, and top conveying section 8-4 is parallel with centre conveying section 8-2, and the utilization of changeover portion 8-3 cleverly makes conveyer belt 8 complete
When withdrawal, the top conveying section upper surface 8-4 can be parallel with the side of charging box 4, therefore not only vehicle is more attractive, solves simultaneously
There is ultra-wide, superelevation due to there are problems that because of conveyer belt 8；When transport vehicle carries out discharge operation, i.e., transported to particular link
When defeated vehicle entrucking, conveyer belt 8 can be unfolded according to the height of road transport vehicle, complete conveying operation, when conveyer belt 8 is opened up completely
When opening, intermediate conveying section 8-2, changeover portion 8-3, top conveying section 8-4 point-blank, and horizontal by certain sharp
Angle.The top of top conveying section 8-4 is equipped with hydraulic motor 13, provides conveying power for conveyer belt 8.
Lifting frame 5 is hinged on preceding charging box 4-1 and rear charging box 4-2, lifting frame 5 includes vertical stand 5-1, bottom shelf
There are three hinged block 5-3 for 5-2 and linear isometry array；The lower end of two lifting frames 5 is hinged with self-unloading oil cylinder 6, from emptying
The other end of cylinder 6 is respectively hinged at front frame 9, in Rear frame 15, bottom shelf 5-2 and 4 bottom of charging box due to lifting frame 5
Upper surface fitting, therefore lifting frame 5 is horizontal by 10~15 degree, to make self-unloading oil cylinder 6 in the lifting progress discharging of lifting frame 5
When operation, material is because self gravitation effect part slides to downwards intermediate conveyor belt 8, and lifting frame 5 needs the material held up at this time
Weight will reduce, therefore reduce the intensity requirement to lifting frame 5, while can reduce the lifting force and stroke of self-unloading oil cylinder 6,
To reduce the energy consumption and weight of vehicle, play the role of it is energy-efficient, furthermore, lifting frame 5 and charging box 4 are designed as respective independent part
Point, it realizes lifting frame 5 and moves, charging box 4 is fixed, and the separation of this movement makes the lifting discharge system of field transport vehicle more
What is added is simple.
Referring to Fig. 3, diesel fuel tanks 17 are located in front frame 9, and hydraulic oil container 16 is located on rear frame, and are respectively positioned on charging box 4
Lower section.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of field transport vehicle, including it is front frame, Rear frame, driver's cabin, dynamical system, creeper undercarriage, charging box, defeated
Send band；Front frame is fixed on the front of creeper undercarriage, and Rear frame is mounted on creeper undercarriage rear end, driver's cabin and power
System is mounted in front frame, and dynamical system connects with creeper undercarriage, and charging box is mounted on creeper undercarriage, special
Sign is：Conveyer belt is rotary folding type, is divided into the level transportation section mutually rotated, intermediate conveying section, changeover portion, top
Conveying section；When conveyer belt is withdrawn, intermediate conveying section, top conveying section are folded into the shape being bonded with charging box side wall；Conveyer belt
When expansion, intermediate conveying section, changeover portion, top conveying section form the path that cargo is sent out to charging box；Incline the bottom of charging box
Tiltedly, level transportation section is located at the lowest position of charging box bottom.
2. a kind of field transport vehicle described in accordance with the claim 1, it is characterised in that：Conveyer belt further includes first hydraulic cylinder,
Two hydraulic cylinders, scraper component；Intermediate conveying section under the action of first hydraulic cylinder around level transportation section rotate, top conveying section and
Changeover portion rotates under the action of second hydraulic cylinder around intermediate conveying section；Scraper component is successively arranged along the conveying direction of conveyer belt
It is listed in the surface of conveyer belt.
3. a kind of field transport vehicle according to claim 2, it is characterised in that：Conveyer belt further includes auxiliary rod；Top is defeated
It send a section two side ends to be equipped with auxiliary rod, and is symmetric, one end of auxiliary rod is connect with second hydraulic cylinder, second hydraulic cylinder
The other end is mounted on the side of intermediate conveying section, and second hydraulic cylinder, changeover portion, top conveying section, auxiliary rod form double leval jib machine
Structure, to realize the folding withdrawal or expansion of conveyer belt using the motion principle of four-bar mechanism；Pacify one end of first hydraulic cylinder
Mounted in the side of intermediate conveying section, the other end is mounted on charging box.
4. a kind of field transport vehicle described in accordance with the claim 3, it is characterised in that：Conveyer belt withdraw when, intermediate conveying section with
Level transportation section is in 90 degree, and changeover portion is parallel with level transportation section, and top conveying section is parallel with intermediate conveying section.
5. a kind of field transport vehicle described in accordance with the claim 1, it is characterised in that：Charging box includes preceding charging box, rear charging
Case and support fixed beam, preceding charging box and rear charging box front and back are symmetrical arranged and are linked into an integrated entity by rectangle steel, preceding charging box
By front upper place, inclined downward, the bottom of rear charging box are tilted by back upper place forward downward, are prolonged along left and right directions backward for bottom
The level transportation section stretched is located between the bottom of forward and backward charging box；Preceding charging box and rear charging box by support fixed beam and are carried out
Band walking mechanism is relatively fixed.
6. a kind of field transport vehicle according to claim 5, it is characterised in that：The inclination angle of the bottom of forward and backward charging box is
15 degree.
7. a kind of field transport vehicle according to claim 5, it is characterised in that：It further include two lifting frames, lifting frame packet
Include vertical stand, bottom shelf and hinged block；Vertical stand is fixed on one end of bottom shelf, and hinged block is fixed on the other end of bottom shelf；
Charging box further includes hinged seat, and hinged seat is mounted on lower one end in bottom of forward and backward charging box, and hinged seat and hinged block cooperate
To which two lifting frames are rotated rotating around forward and backward charging box；When initial position, forward and backward charging box lifting frame corresponding with inside
Fitting；Lifting frame and charging box are designed as respective independent sector, realize lifting frame and move, charging box is fixed.
8. a kind of field transport vehicle according to claim 7, it is characterised in that：The driving device of two lifting frames is certainly
Unload oil cylinder, one end of two self-unloading oil cylinders is connected with the bottom shelf rotary type of corresponding lifting frame, self-unloading oil cylinder it is another
End is connect with front frame rotary type, and the other end of a self-unloading oil cylinder is connect with Rear frame rotary type.
9. a kind of field transport vehicle according to claim 2, it is characterised in that：The scraper plate of scraper component is in the conveying direction
Both ends be equipped with a line sawtooth, the surface of sawtooth protrusion and scraper plate.
10. a kind of field transport vehicle described in accordance with the claim 3, it is characterised in that：Dynamical system includes engine, transfer
Case, diesel fuel tanks, hydraulic oil container；Diesel fuel tanks connect with engine, and engine is connected by transfer case with creeper undercarriage, start
Machine, transfer case, diesel fuel tanks are fixed in front frame, and hydraulic oil container is fixed in Rear frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810519881.6A CN108860342B (en) | 2018-05-28 | 2018-05-28 | Transport vehicle for field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810519881.6A CN108860342B (en) | 2018-05-28 | 2018-05-28 | Transport vehicle for field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108860342A true CN108860342A (en) | 2018-11-23 |
| CN108860342B CN108860342B (en) | 2020-03-17 |
Family
ID=64335084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810519881.6A Active CN108860342B (en) | 2018-05-28 | 2018-05-28 | Transport vehicle for field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108860342B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109760746A (en) * | 2019-03-07 | 2019-05-17 | 安徽思嘉瑞机械设备有限公司 | Baling press hydraulic foldable traction mechanism |
| CN113002397A (en) * | 2021-02-02 | 2021-06-22 | 卢改花 | Special transfer trolley for rock exploitation and transfer method thereof |
| CN114803380A (en) * | 2022-06-24 | 2022-07-29 | 江苏英拓动力科技有限公司 | Unmanned crawler vehicle carrying and conveying platform for complex environment |
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| US6129500A (en) * | 1998-03-26 | 2000-10-10 | Doyon; Paul | Reciprocating conveyor |
| CN103950402A (en) * | 2014-04-16 | 2014-07-30 | 王东文 | Novel self-dumping tractor-semitrailer |
| CN105794414A (en) * | 2016-04-30 | 2016-07-27 | 富锦市立兴植保机械制造有限公司 | Grain cart with driving capability |
| CN206884833U (en) * | 2017-05-09 | 2018-01-16 | 东莞市金庄液压技术有限公司 | A kind of sugar cane transport car |
| CN207252230U (en) * | 2017-10-11 | 2018-04-20 | 东北农业大学 | Potato combine elevator loading apparatus |
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| FR2546115A1 (en) * | 1983-05-18 | 1984-11-23 | Legras Pere Et Fils Sa | Convertible vehicle for transporting packaged and loose products |
| US6129500A (en) * | 1998-03-26 | 2000-10-10 | Doyon; Paul | Reciprocating conveyor |
| CN103950402A (en) * | 2014-04-16 | 2014-07-30 | 王东文 | Novel self-dumping tractor-semitrailer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109760746A (en) * | 2019-03-07 | 2019-05-17 | 安徽思嘉瑞机械设备有限公司 | Baling press hydraulic foldable traction mechanism |
| CN109760746B (en) * | 2019-03-07 | 2023-09-12 | 安徽思嘉瑞机械设备有限公司 | Hydraulic folding traction mechanism of packer |
| CN113002397A (en) * | 2021-02-02 | 2021-06-22 | 卢改花 | Special transfer trolley for rock exploitation and transfer method thereof |
| CN114803380A (en) * | 2022-06-24 | 2022-07-29 | 江苏英拓动力科技有限公司 | Unmanned crawler vehicle carrying and conveying platform for complex environment |
| CN114803380B (en) * | 2022-06-24 | 2022-09-13 | 江苏英拓动力科技有限公司 | Unmanned crawler vehicle carrying and conveying platform for complex environment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108860342B (en) | 2020-03-17 |
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