CN106364388A - Multi-functional three-direction hydraulic self-unloading type transport vehicle - Google Patents
Multi-functional three-direction hydraulic self-unloading type transport vehicle Download PDFInfo
- Publication number
- CN106364388A CN106364388A CN201610905392.5A CN201610905392A CN106364388A CN 106364388 A CN106364388 A CN 106364388A CN 201610905392 A CN201610905392 A CN 201610905392A CN 106364388 A CN106364388 A CN 106364388A
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- vehicle body
- chassis
- heavy type
- type vehicle
- goods
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Classifications
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- 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
- B60P1/04—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
- B60P1/16—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element actuated by fluid-operated mechanisms
- B60P1/167—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element actuated by fluid-operated mechanisms three side tipping movement
-
- 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
- B60P1/04—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
- B60P1/28—Tipping body constructions
- B60P1/283—Elements of tipping devices
- B60P1/286—Loading buckets
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a multi-functional three-direction hydraulic self-unloading type transport vehicle. The multi-functional three-direction hydraulic self-unloading type transport vehicle comprises a heavy vehicle body, a turntable device, a chassis support frame, a traction device, a vehicle body chassis and a control system, wherein the heavy vehicle body is arranged on the chassis support frame; the chassis support frame is fixed on the vehicle body chassis; the control system is arranged in a driving cab of the traction device; the turntable device is fixedly mounted on the chassis support frame; and an underbody of the heavy vehicle body adopts a tapered structure, so that complete emptying of cargos is facilitated. The multi-functional three-direction hydraulic self-unloading type transport vehicle disclosed by the invention is compact in structure, low in center of gravity, low in self weight, large in dumping angle, multiple in functions and high in flexibility, and the cargos can be unloaded in a left direction, a right direction and a rear direction; and besides, worm gear drive is adopted to realize effective self-locking, and the stability is high during automatic unloading of the cargos in three directions.
Description
Technical field
The present invention relates to a kind of haulage vehicle of handling goods is and in particular to a kind of multi-functional three-dimensional hydraulic dump type transports
Car.
Background technology
With the continuous growth of infrastructure investment, the demand of dumper is also increasing, at present self-unloading on the market
Car typically adopts machine driving, in order to meet transport use requirement often, the demand of dumper is also constantly increased, with
Meet the facility of engineering transportation, safety, material benefit etc. to require.The therefore present invention proposes one kind and adopts hydraulic drive, compact conformation,
Angle is big, and stability is splendid, the multi-functional three-dimensional hydraulic self-discharging of the abundant motility that can be unloaded to the left, to the right and backward
Formula transport vehicle.
Content of the invention
It is an object of the invention to provide a kind of compact conformation, dump angle is big, and stability is splendid, can to the left, to the right and
A kind of multi-functional three-dimensional hydraulic dump type transport vehicle of the abundant motility being unloaded backward.
For reaching above-mentioned purpose, the technical solution adopted in the present invention is as follows:
A kind of multi-functional three-dimensional hydraulic dump type transport vehicle, comprising: heavy vehicle body, rotating-table apparatus, chassis supports framework, traction dress
Put, chassis, control system；Described heavy type vehicle body is placed on described chassis supports framework, and described chassis supports framework is fixed
On described chassis, the driving that described control system is placed in described traction apparatuss is indoor；Described rotating-table apparatus fixed installation
On described chassis supports framework；Described rotating-table apparatus include rotation and support, dump ram, universal joint, universal joint installing plate, institute
State rotation support to be fixedly mounted on described chassis supports framework, described dump ram is fixedly mounted on described rotation and supports,
The cylinder rod top of described dump ram connects described universal joint, and the maximum stroke of described dump ram is 2500mm, described universal
The other end of section is the ball head structure through modifier treatment, and ball head structure is stuck on described universal joint installing plate, described universal joint
Installing plate is fixed on the bottom centre position of described heavy type vehicle body；Described chassis are using wide wheelspan chassis, real currently all
High stability under orographic condition and optimal vehicle-state, the power set of described chassis adopt parabola shaped suspension, really
Protect optimal bottom surface balance；Described chassis supports framework adopts hollow-core construction, by u section bar seamless welding, centre of gravity, low from
Weight, bending-twisting load impacting is indeformable, described chassis supports framework be fixedly arranged at the front end with hydraulic supporting feet, described heavy for supporting
Type vehicle body level, equipped with protecting chassis and mud guard, described protecting chassis are joined for the rear end of described chassis supports framework
There is illumination protection, there is the rotatably supported base installing described rotating-table apparatus the centre of described chassis supports framework.
Further, as rectangular structure, the vehicle body frame of described heavy type vehicle body adopts welding structure to described heavy goods vehicles,
There is high torque resistant intensity, the body bottom of described heavy type vehicle body adopts cruciform girder to support underbody；Described heavy type
The side plate of vehicle body is made using the zinc-plated high-quality steel of formation type, and the top of described side plate is adopted with described vehicle body frame
Chain connection, equipped with central door locking device, described central door locking device employs and is bolted for the bottom of described side plate
Buckle structure；The underbody of described heavy type vehicle body adopts pyramidal structure, is easy to be emptied completely goods；Described heavy type vehicle body
Front panel equipped with telescopic cat ladder, be easy to from driving from 1.0 meters of eminences equipped with square transparent part for front sight by the front panel of described heavy type vehicle body
Sail interior and observe goods；Equipped with rotatable baffle, described rotatable baffle is connected through the hinge the afterbody of described heavy type vehicle body
On the side plate of described heavy type vehicle body, also equipped with liftable oil cylinder, the cylinder rod of described liftable oil cylinder on the described side plate on both sides
Top connects described rotatable baffle, controls the collapsing length of described liftable oil cylinder cylinder rod to realize opening of described rotatable baffle
Close, maximum 90 ° of the open angle of described rotatable baffle, realize the afterbody handling from described heavy type vehicle body for the goods；Described heavy type
The hangs inside shatter-resistant baffle plate of vehicle body, described shatter-resistant baffle plate is detachable, when delivery easily falls the goods easily touching, by shatter-resistant baffle plate
Vibration damping shatter-resistant is carried out to goods；The top of described heavy type vehicle body, equipped with foldable hood, is easy to for goods to cover transport.
Further, the rotation of described rotating-table apparatus supports and adopts Worm Wheel System, Motor drive worm screw, and worm screw drives
Worm gear wheel, the wheel hub of worm gear connects dump ram, realizes effective self-locking；The length adjusting the cylinder rod of described dump ram makes
The maximum tilt angle of described heavy type vehicle body reaches 55 °, and adjust the cylinder rod of described dump ram according to goods to be loaded and unloaded
Length carries out optimal slip angle set；When described heavy type vehicle body needs to carry out to the left and right goods unloading, described heavy goods vehicles
The buckle of the central door locking device of the bottom of the side plate on body one side is opened, and described rotation supports 45 ° of rotation, controls described inclination oil
The extension elongation of cylinder cylinder rod carries out the left and right sides unloading of goods.
Further, described control system includes electronic control system and hydraulic control system, the inclination of described rotating-table apparatus
The liftable oil cylinder of oil cylinder and heavy vehicle body is all controlled using hydraulic control system, and described traction apparatuss are equal with described chassis
Using electric control system control.
Implement a kind of multi-functional three-dimensional hydraulic dump type transport vehicle of the present invention, its advantage is:
(1) using a kind of multi-functional three-dimensional hydraulic dump type transport vehicle compact conformation of the present invention, centre of gravity, low deadweight, flip angle
Degree is big, multiple functional, three directions can carry out the unloading of goods to the left, to the right and backward, motility is high；
(2) the rotation of the described rotating-table apparatus of the multi-functional three-dimensional hydraulic dump type transport vehicle of present invention kind supports and adopts worm and gear
Effective self-locking is realized in transmission, and to carry out stability during the automatic unloading of goods high three directions to the left, to the right and backward.
Brief description
A kind of backward self-unloading 3 dimensional drawing of multi-functional three-dimensional hydraulic dump type transport vehicle of Fig. 1: the present invention；
A kind of top view of multi-functional three-dimensional hydraulic dump type transport vehicle of Fig. 2: the present invention；
A kind of lateral self-unloading 3 dimensional drawing of multi-functional three-dimensional hydraulic dump type transport vehicle of Fig. 3: the present invention.
In figure: 1 heavy vehicle body, 2 rotating-table apparatus, 3 chassis supports frameworks, 4 traction apparatuss, 6 chassis,
11- side plate, 12- front panel, 13- rotatable baffle, 14- underbody, 21- dump ram, 22- rotation supports, and 31- chassis is protected
Protection unit, 32- hydraulic supporting feet, 33- mud guard.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is further described through.
As shown in Figure 1, 2, 3, a kind of multi-functional three-dimensional hydraulic dump type transport vehicle, comprising: heavy vehicle body 1, rotating-table apparatus
2nd, chassis supports framework 3, traction apparatuss 4, chassis 6, control system；Described heavy type vehicle body 1 is placed in described chassis supports frame
On frame 3, described chassis supports framework 3 is fixed on described chassis 6, and described control system is placed in described traction apparatuss 4
Drive indoor；Described rotating-table apparatus 2 are fixedly mounted on described chassis supports framework 3, and described rotating-table apparatus 2 include rotation and support
22, dump ram 21, universal joint, universal joint installing plate, described rotation supports 22 to be fixedly mounted on described chassis supports framework 3
On, described dump ram 21 is fixedly mounted on described rotation and supports on 22, and the cylinder rod top connection of described dump ram 21 is described
Universal joint, the maximum stroke of described dump ram 21 is 2500mm, and the other end of described universal joint is the ball through modifier treatment
Header structure, ball head structure is stuck on described universal joint installing plate, and described universal joint installing plate is fixed on the bottom of described heavy type vehicle body 1
Portion centre position, the rotation of described rotating-table apparatus 2 supports 22 to adopt Worm Wheel System, Motor drive worm screw, and worm screw drives snail
Wheel rotates, and the wheel hub of worm gear connects dump ram, realizes effective self-locking；The length adjusting the cylinder rod of described dump ram 21 makes
The maximum tilt angle of described heavy type vehicle body 1 reaches 55 °, and adjusts the cylinder rod of described dump ram 21 according to goods to be loaded and unloaded
Length carry out optimal slip angle set；Described heavy type vehicle body 1 is rectangular structure, the car body frame of described heavy type vehicle body 1
Frame adopts welding structure, has high torque resistant intensity, and the body bottom of described heavy type vehicle body 1 adopts cruciform girder to support car
Body base plate；The side plate of described heavy type vehicle body 1 is made using the zinc-plated high-quality steel of formation type, the top of described side plate 11
Adopt chain connection with described vehicle body frame, the bottom of described side plate 11 is equipped with central door locking device, described central door locking device
Employ the buckle structure being bolted；The underbody of described heavy type vehicle body 1 adopts pyramidal structure, is easy to goods is complete
Full emptying；, equipped with telescopic cat ladder, the front panel 12 of described heavy type vehicle body 1 is from 1.0 meters for the front panel 12 of described heavy type vehicle body 1
Eminence, equipped with square transparent part for front sight, is easy to observe goods from driving interior；The afterbody of described heavy type vehicle body 1 is equipped with rotatable baffle
13, described rotatable baffle 13 is connected through the hinge on the side plate 11 of described heavy type vehicle body 1, on the described side plate 11 on both sides also
Equipped with liftable oil cylinder, the cylinder rod top of described liftable oil cylinder connects described rotatable baffle 13, controls described liftable oil
The collapsing length of cylinder cylinder rod realizes the switch of described rotatable baffle 13, maximum 90 ° of the open angle of described rotatable baffle 13,
Realize the afterbody handling from described heavy type vehicle body 1 for the goods；The hangs inside shatter-resistant baffle plate of described heavy type vehicle body 1, described shatter-resistant gear
Plate is detachable, when delivery easily falls the goods easily touching, carries out vibration damping shatter-resistant by shatter-resistant baffle plate to goods；Described heavy type vehicle body 1
Top equipped with foldable hood, be easy to by goods cover transport；Described chassis 6, using wide wheelspan chassis, are realized in institute
There are the high stability under orographic condition and optimal vehicle-state, the power set of described chassis 6 adopt parabola shaped suspension,
Guarantee optimal bottom surface balance；Described chassis supports framework 3 adopts hollow-core construction, by u section bar seamless welding, centre of gravity,
Low deadweight, bending-twisting load impacting is indeformable, described chassis supports framework 3 be fixedly arranged at the front end with hydraulic supporting feet, for supporting
Described heavy type vehicle body 1 level, the rear end of described chassis supports framework 3 is equipped with protecting chassis 31 and mud guard 33, described bottom
Disk protection device 31 is furnished with illumination protection, and the centre of described chassis supports framework 3 has the rotation installing described rotating-table apparatus 2 to support
22 base.
As shown in Figure 1, 2, 3, a kind of work of multi-functional three-dimensional hydraulic dump type transport vehicle specifically comprises the following steps that goods fills
During load, if easily falling the goods easily touching, opening described shatter-resistant baffle plate, vibration damping shatter-resistant is carried out to goods by shatter-resistant baffle plate；Open
The top of described heavy type vehicle body 1, equipped with foldable hood, is easy to for goods to cover transport；Goods is from the tail of described heavy type vehicle body 1
When portion is unloaded automatically, the collapsing length of described liftable oil cylinder cylinder rod is controlled to realize the switch of described rotatable baffle 13,
The open angle of described rotatable baffle 13 reaches 90 ° of maximum, adjusts the cylinder of described dump ram 21 according to goods to be loaded and unloaded
The optimum tilt angle that the length of bar carries out described heavy type vehicle body 1 sets；Described heavy type vehicle body 1 needs to carry out to the left and right goods
During unloading, the buckle of the central door locking device of the bottom of side plate 11 of described heavy type vehicle body 1 is opened, described rotation support 22
Using Worm Wheel System, Motor drive worm screw, worm screw drives 45 ° of worm gear wheel, and the wheel hub of worm gear connects dump ram, realizes
Effectively self-locking, controls the extension elongation of described dump ram 21 cylinder rod to carry out the left and right sides unloading of goods.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (4)
1. a kind of multi-functional three-dimensional hydraulic dump type transport vehicle it is characterised in that include: heavy vehicle body (1), rotating-table apparatus (2),
Chassis supports framework (3), traction apparatuss (4), chassis (6), control system；Described heavy type vehicle body (1) is placed in described chassis
In support frame (3), described chassis supports framework (3) is fixed on described chassis (6), and described control system is placed in described
The driving of traction apparatuss (4) is indoor；Described rotating-table apparatus (2) are fixedly mounted on described chassis supports framework (3), described rotating disk
Device (2) includes rotation and supports (22), dump ram (21), universal joint, universal joint installing plate, and described rotation supports fixed installation
On described chassis supports framework (3), described dump ram is fixedly mounted on described rotation and supports, the cylinder of described dump ram
Masthead end connects described universal joint, and the maximum stroke of described dump ram is 2500mm, the other end of described universal joint be through
The ball head structure of modifier treatment, ball head structure is stuck on described universal joint installing plate, and described universal joint installing plate is fixed on described
The bottom centre position of heavy vehicle body (1)；Described chassis (6) adopt wide wheelspan chassis, under real currently all orographic condition
High stability and optimal vehicle-state, the power set of described chassis (6) adopt and parabola shaped hang it is ensured that optimal
Bottom surface balances；Described chassis supports framework (3) adopts hollow-core construction, by u section bar seamless welding, centre of gravity, low deadweight, resists
Bending load impacting is indeformable, described chassis supports framework (3) be fixedly arranged at the front end with hydraulic supporting feet (32), described for supporting
Heavy vehicle body (1) level, the rear end of described chassis supports framework (3) is equipped with protecting chassis (31) and mud guard (33), institute
State protecting chassis and be furnished with illumination protection, there is the rotation installing described rotating-table apparatus (2) centre of described chassis supports framework (3)
Turn the base supporting.
2. as claimed in claim 1 a kind of multi-functional three-dimensional hydraulic dump type transport vehicle it is characterised in that described heavy type vehicle body
(1) it is rectangular structure, the vehicle body frame of described heavy type vehicle body (1) adopts welding structure, has high torque resistant intensity, institute
The body bottom stating heavy vehicle body (1) adopts cruciform girder to support underbody (14)；The side plate (11) of described heavy type vehicle body (1)
Made using the zinc-plated high-quality steel of formation type, the top of described side plate (11) and described vehicle body frame adopt hinge even
Connect, equipped with central door locking device, described central door locking device employs the card being bolted for the bottom of described side plate (11)
Buckle structure；The underbody (14) of described heavy type vehicle body (1) adopts pyramidal structure, is easy to be emptied completely goods；Described heavy type
The front panel (12) of vehicle body (1) is pacified from 1.0 meters of eminences equipped with telescopic cat ladder, the front panel (12) of described heavy type vehicle body (1)
There is square transparent part for front sight, be easy to observe goods from driving interior；The afterbody of described heavy type vehicle body (1) is equipped with rotatable baffle
(13), described rotatable baffle (13) is connected through the hinge on the side plate (11) of described heavy type vehicle body (1), the described side on both sides
Also equipped with liftable oil cylinder on plate (11), the cylinder rod top of described liftable oil cylinder connects described rotatable baffle (13), controls
The collapsing length of described liftable oil cylinder cylinder rod realizes the switch of described rotatable baffle (13), described rotatable baffle (13)
Maximum 90 ° of open angle, realizes the afterbody handling from described heavy type vehicle body (1) for the goods；The hangs inside of described heavy type vehicle body (1)
Shatter-resistant baffle plate, described shatter-resistant baffle plate is detachable, when delivery easily falls the goods easily touching, carries out vibration damping by shatter-resistant baffle plate to goods
Shatter-resistant；The top of described heavy type vehicle body (1), equipped with foldable hood, is easy to for goods to cover transport.
3. as claimed in claim 1 a kind of multi-functional three-dimensional hydraulic dump type transport vehicle it is characterised in that described rotating-table apparatus
(2) rotation supports (22) to adopt Worm Wheel System, Motor drive worm screw, and worm screw drives worm gear wheel, and the wheel hub of worm gear is even
Connect dump ram (21), realize effective self-locking；The length adjusting the cylinder rod of described dump ram (21) makes described heavy type vehicle body
(1) maximum tilt angle reaches 55 °, and is carried out according to the length of the cylinder rod of the goods described dump ram of regulation to be loaded and unloaded
Good slip angle set；When described heavy type vehicle body (1) needs to carry out to the left and right goods unloading, described heavy type vehicle body (1)
The buckle of the central door locking device of the bottom of side plate (11) on side is opened, and described rotation supports (22) to rotate 45 °, inclines described in control
Tiltedly the extension elongation of oil cylinder (21) cylinder rod carries out the left and right sides unloading of goods.
4. as claimed in claim 1 a kind of multi-functional three-dimensional hydraulic dump type transport vehicle it is characterised in that described control system
Including electronic control system and hydraulic control system, the liftable oil of the dump ram of described rotating-table apparatus (2) and heavy vehicle body (1)
Cylinder is all controlled using hydraulic control system, and described traction apparatuss (4) and described chassis (6) are all using electric control system control
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610905392.5A CN106364388A (en) | 2016-10-19 | 2016-10-19 | Multi-functional three-direction hydraulic self-unloading type transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610905392.5A CN106364388A (en) | 2016-10-19 | 2016-10-19 | Multi-functional three-direction hydraulic self-unloading type transport vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106364388A true CN106364388A (en) | 2017-02-01 |
Family
ID=57894805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610905392.5A Pending CN106364388A (en) | 2016-10-19 | 2016-10-19 | Multi-functional three-direction hydraulic self-unloading type transport vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN106364388A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841573A (en) * | 2017-04-12 | 2017-06-13 | 中铁西北科学研究院有限公司 | A kind of debris flows simulation experimental rig and test method |
| CN110758011A (en) * | 2019-10-31 | 2020-02-07 | 徐州筑之邦工程机械有限公司 | Wheel track adjustable electric power carriage of mining truck |
| CN111870971A (en) * | 2020-08-24 | 2020-11-03 | 佛山市雷鲨模型科技有限公司 | Three-way dump truck |
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| WO1996016835A1 (en) * | 1993-05-27 | 1996-06-06 | Maysonnave Jean Patrick | Truck body emptying devices |
| WO2003104022A1 (en) * | 2002-06-11 | 2003-12-18 | O.M.F.B. S.P.A. Hydraulic Components | Body tipper |
| DE202004004924U1 (en) * | 2004-03-26 | 2004-06-03 | Dautel Gmbh | Tipping lorry includes unit detecting change in position of piston or bearing unit when tilting load carrier about longitudinal or transverse axis, to switch lifting system off |
| CN203331907U (en) * | 2013-06-06 | 2013-12-11 | 中国重汽集团青岛重工有限公司 | Back door automatic-induction opening and closing device |
| CN206086483U (en) * | 2016-10-19 | 2017-04-12 | 青岛美利坤机械制造有限公司 | Multi -functional three -dimensional hydraulic pressure self -discharging formula transport vechicle |
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2016
- 2016-10-19 CN CN201610905392.5A patent/CN106364388A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996016835A1 (en) * | 1993-05-27 | 1996-06-06 | Maysonnave Jean Patrick | Truck body emptying devices |
| WO2003104022A1 (en) * | 2002-06-11 | 2003-12-18 | O.M.F.B. S.P.A. Hydraulic Components | Body tipper |
| DE202004004924U1 (en) * | 2004-03-26 | 2004-06-03 | Dautel Gmbh | Tipping lorry includes unit detecting change in position of piston or bearing unit when tilting load carrier about longitudinal or transverse axis, to switch lifting system off |
| CN203331907U (en) * | 2013-06-06 | 2013-12-11 | 中国重汽集团青岛重工有限公司 | Back door automatic-induction opening and closing device |
| CN206086483U (en) * | 2016-10-19 | 2017-04-12 | 青岛美利坤机械制造有限公司 | Multi -functional three -dimensional hydraulic pressure self -discharging formula transport vechicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841573A (en) * | 2017-04-12 | 2017-06-13 | 中铁西北科学研究院有限公司 | A kind of debris flows simulation experimental rig and test method |
| CN110758011A (en) * | 2019-10-31 | 2020-02-07 | 徐州筑之邦工程机械有限公司 | Wheel track adjustable electric power carriage of mining truck |
| CN111870971A (en) * | 2020-08-24 | 2020-11-03 | 佛山市雷鲨模型科技有限公司 | Three-way dump truck |
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Application publication date: 20170201 |