CN104494417B - Wheel assembly for aerial work platform - Google Patents
Wheel assembly for aerial work platform Download PDFInfo
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- CN104494417B CN104494417B CN201410836282.9A CN201410836282A CN104494417B CN 104494417 B CN104494417 B CN 104494417B CN 201410836282 A CN201410836282 A CN 201410836282A CN 104494417 B CN104494417 B CN 104494417B
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Abstract
The invention discloses a wheel assembly for an aerial work platform. The wheel assembly comprises a wheel beam, a steering mechanism, a leveling mechanism and driving wheel assemblies arranged at both ends of the wheel beam; each driving wheel assembly comprises a wheel mounting base, a wheel motor and a wheel; the wheel beam comprises two beam steel plates which are vertically arranged, a beam connecting plate arranged between the two beam steel plates and a U-shaped hinged seat arranged between the two beam steel plates; the U-shaped hinged seat is of an integral structure formed by stamping one integral steel plate so as to form mounting base rotating grooves for accommodating the wheel mounting bases in the U-shaped hinged seat. The wheel assembly has the advantages that when stable rotational connection is provided for the driving wheel assemblies, the integral structure is simpler and more practical; moreover, better spatial layout can be realized.
Description
Technical field
The present invention relates to a kind of wheel set for aerial work platform.
Background technology
Aerial work platform (Aerial work platform) is to serve every profession and trade work high above the ground, equipment to install, examine
The product of mobility work high above the ground such as repair.Aerial work platform Related product mainly has：It is scissor aerial work platform, vehicle-mounted
Formula aerial work platform, crank type aerial working platform, self-propelled aloft working platform, aluminium alloy aerial work platform, set cylinder
Six big class of formula aerial work platform.In aerial work platform operation process, platform operations require higher mobile motility, therefore
Four driving wheels of platform operations generally adopt freestanding Motor drive, therefore the how mounting structure of design driven wheel, make
Four driving wheels while independently can drive, with synergy movement, and also driving wheel during use can be ensured
Bearing capacity and stability, be designer need consider problem, the existing car wheel structure for aerial work platform by
It is unreasonable in structure design, cause topology layout complex, relatively complicated so as to install, manufacturing cost is higher.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency present in prior art, and a kind of reasonable in design is provided,
Overall structure is more simple and practical, and can realize the wheel set for aerial work platform of more preferable space layout.
The present invention the adopted technical scheme that solves the above problems is：
A kind of wheel set for aerial work platform, the wheel set include wheel crossbeam, steering mechanism, leveling
Mechanism and it is arranged on the driving wheel assembly at wheel crossbeam two ends, it is characterised in that：The driving wheel assembly includes that wheel is installed
Seat, wheel electrical machine and wheel, vehicle wheel rotation are arranged in wheel mounting seat, and are driven by the wheel electrical machine in wheel mounting seat
Motor car wheel is rotated.The wheel crossbeam includes the two panels crossbeam steel plate being vertically arranged, the horizontal stroke being arranged between two panels crossbeam steel plate
Beam connecting plate and the U-shaped hinged seat being arranged between two panels crossbeam steel plate, wheel crossbeam bearing pin are horizontally disposed with, wherein, U-shaped hinge
Joint chair is the overall structure of a monoblock steel plate punched, so as to be formed on U-shaped hinged seat for accommodating wheel mounting seat
Mounting seat rotation slot, the two sides of U-shaped hinged seat are respectively welded on the inwall of two panels crossbeam steel plate, are opened up on U-shaped hinged seat
There are upper and lower two the first hinge holes, it is wheel mounting seat base plate that the wheel mounting seat includes being vertically arranged, oil cylinder connection sheet, same
Step bar connection sheet and two panels on the rotation installation sheet being distributed up and down, two panels rotation installation sheet offer second and are hinged
Hole, offers oil cylinder hinge hole and synchronizing bar hinge hole respectively in oil cylinder connection sheet, synchronizing bar connection sheet, the first of top is hinged
Hole is connected by the first bearing pin with the second hinge hole of top, and the first hinge hole of lower section and the second hinge hole of lower section are by the
Two bearing pins connect, and the axis of the first bearing pin, the axis of the second bearing pin are with a vertical curve.So as to wheel assembly entirety will be driven
The two ends of wheel crossbeam are rotatably installed in, drive the upper and lower side of wheel assembly to pass through the first bearing pin, the second hinge in mounting seat
In rotation slot, while connection to drive wheel assembly to provide stable rotation, overall structure is more simple and practical, and can be real
Existing more preferable space layout.
Preferably, one end of one end of oil cylinder connection sheet and synchronizing bar connection sheet is provided with rectangular-shaped welding lacking
Mouthful, two faces mutually at a right angle of welding breach are respectively welded to be fixed on wheel mounting seat base plate and are just being mutually rectangular base plate
On face and bottom panel side, it is vertical that oil cylinder connection sheet, synchronizing bar connection sheet, two panels rotate the equal relative wheel mounting seat base plate of installation sheet
Arrange, wherein, between oil cylinder connection sheet and synchronizing bar connection sheet, between synchronizing bar connection sheet and wherein a piece of rotation installation sheet,
It is all provided between wherein a piece of rotation installation sheet and another rotation installation sheet, between another rotation installation sheet and oil cylinder connection sheet
It is equipped with for strengthening the integrally-built welding reinforcement of wheel mounting seat.So that oil cylinder connection sheet, synchronizing bar connection sheet with
Wheel mounting seat base plate can possess bigger solder side, while reducing materials, improve overall intensity so as to can be suitable for
Steady operation under various complex road conditions.
Preferably, steering mechanism includes that one turns to connecting seat, two steering regulation oil cylinders and a synchronous adjustment
Bar, wherein, turning to connecting seat includes cylindrical fixture and the two panels pin-joint piece being arranged on the left of fixture, is arranged on
Two panels pin-joint piece on the right side of fixture, the two panels be arranged on the two panels pin-joint piece on the left of fixture, being arranged on the right side of fixture
The 3rd hinge hole is provided with pin-joint piece.Two panels pin-joint piece on the left of fixture is parallel to each other, the two panels hinge on the right side of fixture
Contact pin is parallel to each other.Two panels pin-joint piece, the two panels pin-joint piece on the right side of fixture on the left of one end of fixture, fixture is welded
It is fixed on crossbeam steel plate.Piece one end for turning to regulation oil cylinder is arranged between the two panels pin-joint piece on the left of fixture, one
Turn to and adjust one end of oil cylinder steering is rotatably installed in by the 3rd bearing pin on the two panels pin-joint piece that is located on the left of fixture
On connecting seat, another one end for turning to regulation oil cylinder is arranged between the two panels pin-joint piece on the right side of fixture, another steering
The one end for adjusting oil cylinder is rotatably installed in steering connection by the 3rd bearing pin on the two panels pin-joint piece that is located on the right side of fixture
On seat, the other end for turning to the other end and another steering regulation oil cylinder for adjusting oil cylinder is respectively hinged at correspondence position car
On the oil cylinder hinge hole of wheel mounting seat, the two ends of synchronous adjustment bar are respectively hinged at the synchronizing bar positioned at wheel crossbeam two ends and are hinged
Kong Shang.So as to pass through, drive and turn to the rotation of the wheel mounting seat with motor car wheel crossbeam two ends of regulation oil cylinder, and by being adjusted in synchronism
Bar realizes the synchronicity of wheel mounting seat rotation process, it is to avoid by the two ends for adjusting the wheel crossbeam that oil cylinder power inequality is brought
Two driving wheels turn to asynchronous, the wheel damage for causing, so as to improve smoothness and the safety of steering procedure.
The present invention compared with prior art, with advantages below and effect：
1) so as to wheel assembly unitary rotation will be driven installed in the two ends of wheel crossbeam, the upper and lower side of wheel assembly is driven to pass through
First bearing pin, the second hinge are in mounting seat rotation slot, while connection to drive wheel assembly to provide stable rotation, whole
Body structure is more simple and practical, and can realize more preferable space layout.
2) so that oil cylinder connection sheet, synchronizing bar connection sheet and wheel mounting seat base plate can possess bigger welding
Face, while reducing materials, improves overall intensity so as to go for the steady operation under various complex road conditions.
3) so as to pass through, drive and turn to the rotation of the wheel mounting seat with motor car wheel crossbeam two ends of regulation oil cylinder, and by same
Step pole realizes the synchronicity of wheel mounting seat rotation process, it is to avoid the wheel crossbeam brought by regulation oil cylinder power inequality
Two driving wheels at two ends turn to asynchronous, the wheel damage for causing, so as to improve smoothness and the safety of steering procedure.
Description of the drawings
Fig. 1 is the structural representation of embodiment of the present invention chassis structure.
Fig. 2 is the structural representation on another visual angle of embodiment of the present invention chassis structure.
Fig. 3 is the mounting structure schematic diagram of embodiment of the present invention wheel set.
Fig. 4 is the structural representation of embodiment of the present invention wheel set.
Fig. 5 is the structural representation of embodiment of the present invention wheel crossbeam.
Fig. 6 is the structural representation of embodiment of the present invention wheel mounting seat.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following examples are to this
Bright explanation and the invention is not limited in following examples.
Referring to Fig. 1-Fig. 6, the present embodiment the present embodiment is used for the chassis assembly of aerial work platform, including support assembly 1,
Wheel set 2, wherein, support assembly 1 include two crossbeams 11, for connect two crossbeams 11 multiple crossbeam connecting plates 12 with
And two wheel set mounting seats 13 for being used for installing wheel assembly 2, two wheel set mounting seats 13 are respectively provided with crossbeam 11
Rear and front end, wheel set mounting seat 13 for a monoblock steel plate punched overall structure, in wheel set mounting seat 13
The wheel set mounting groove of U-shaped is provided with, the wheel set 2 includes wheel crossbeam 21, steering mechanism, levelling gear and sets
The driving wheel assembly at 21 two ends of wheel crossbeam is put, wheel crossbeam 21 is rotatably installed in wheel set installation by crossbeam rotary shaft
In groove, the strong point is all provided so as to pass through the rear and front end that wheel set mounting groove is crossbeam rotary shaft, improve wheel crossbeam 21
In rotation process, mechanical bulk strength, the driving wheel assembly include wheel mounting seat 22, wheel electrical machine 23 and wheel 24,
Wheel 24 is rotatably installed in wheel mounting seat 22, and by 24 turns of 23 driving moment of wheel electrical machine in wheel mounting seat 22
It is dynamic.
Levelling gear includes leveling cyclinder 25, is provided with two leveling cyclinders 25, per pair wheel on every pair wheel set 2
Two leveling cyclinders 25 on assembly 2 are respectively positioned at the both sides of wheel set mounting seat 13.One end of leveling cyclinder 25 is hinged on
On support assembly 1, the other end of leveling cyclinder 25 is hinged on wheel crossbeam 21.By control per two tune on pair wheel 24
Flat oil cylinder 25, can adjust the angle of 13 relative wheel crossbeam 21 of wheel set mounting seat so that for aerial work platform
When the wheel 24 of wheel set is on uneven ground, wheel crossbeam 21 can have been inclined with the fluctuating of landing ground, it is also possible to
By adjusting two leveling cyclinders 25, adjustment support assembly 1 is to level so that the whole wheel set for being used for aerial work platform
Operation can be carried out in the state of more steadily, security performance is improved, it is ensured that can also be constructed under complicated road conditions.
One end on support assembly 1 arranges two support feet assemblies 5, and described support feet assembly 5 includes that two legs connect
Connect 51, two leg connecting rods 52 of arm and two support plates 53, two leg linking arms 51 are arranged on one end of support assembly 1 simultaneously
In splayed shape, one end of leg connecting rod 52 is hinged and is arranged on leg linking arm 51, and support plate 53 is hinged and is arranged on leg
In connecting rod 52, and it is hinged on leg linking arm 51 and is provided with leg oil cylinder 54, the piston rod of leg oil cylinder 54 is connected with leg
Bar 52 is hinged.The wheel crossbeam 21 includes the two panels crossbeam steel plate 211 being vertically arranged, is arranged on two panels crossbeam steel plate 211
Between cross-beam connecting plate 212 and the U-shaped hinged seat 213 being arranged between two panels crossbeam steel plate 211,21 bearing pin of wheel crossbeam
It is horizontally disposed, wherein, overall structure of the U-shaped hinged seat 213 for a monoblock steel plate punched, so as on U-shaped hinged seat 213
Formed for accommodating the mounting seat rotation slot of wheel mounting seat 22, the two sides of U-shaped hinged seat 213 are respectively welded at two panels crossbeam
On the inwall of steel plate 211, upper and lower two the first hinge holes on U-shaped hinged seat 213, are offered, the wheel mounting seat 22 includes erecting
What the straight wheel mounting seat base plate 221, oil cylinder connection sheet 222 for arranging, synchronizing bar connection sheet 223 and two panels were distributed relatively up and down
Installation sheet 224 is rotated, two panels to be rotated and the second hinge hole is offered on installation sheet 224, one end of oil cylinder connection sheet 222 and same
One end of step bar connection sheet 223 is provided with rectangular-shaped welding breach, and two faces mutually at a right angle for welding breach are welded respectively
Connect to be fixed on wheel mounting seat base plate 221 and be mutually on rectangular base plate front and bottom panel side, it is oil cylinder connection sheet 222, same
Step bar connection sheet 223, two panels rotates 224 equal relative wheel mounting seat base plate 221 of installation sheet and is vertically arranged, wherein, oil cylinder connection
Between piece 222 and synchronizing bar connection sheet 223, synchronizing bar connection sheet 223 and wherein it is a piece of rotation installation sheet 224 between, wherein one
Piece rotate installation sheet 224 and another rotate between installation sheet 224, another rotate installation sheet 224 and oil cylinder connection sheet 222 it
Between be provided with for strengthen wheel mounting seat 22 it is integrally-built welding reinforcement 225 so that oil cylinder connection sheet 222,
Synchronizing bar connection sheet 223 can possess bigger solder side with wheel mounting seat base plate 221, while reducing materials, improve whole
The intensity of body so as to go for the steady operation under various complex road conditions.Oil cylinder connection sheet 222, synchronizing bar connection sheet 223
Upper to offer oil cylinder hinge hole and synchronizing bar hinge hole respectively, the first hinge hole of top and the second hinge hole of top are by the
One bearing pin connects, and the first hinge hole of lower section is connected by the second bearing pin with the second hinge hole of lower section, the axis of the first bearing pin,
The axis of the second bearing pin with a vertical curve, so as to by drive wheel assembly unitary rotation to be arranged on wheel crossbeam 21 two
End, drives the upper and lower side of wheel assembly to pass through the first bearing pin, the second hinge in mounting seat rotation slot, is to drive wheel assembly to carry
While connection for stable rotation, overall structure is more simple and practical, and can realize more preferable space layout.
Steering mechanism includes that one turns to 26, two steering regulation oil cylinders 27 of connecting seat and a synchronous adjustment bar 28,
Wherein, turn to connecting seat 26 include cylindrical fixture 261 and the two panels pin-joint piece 262 being arranged on the left of fixture,
The two panels pin-joint piece 263 being arranged on the right side of fixture, is arranged on the two panels pin-joint piece 262 on the left of fixture, is arranged on fixation
The 3rd hinge hole is provided with two panels pin-joint piece 263 on the right side of part.Two panels pin-joint piece 262 on the left of fixture is parallel to each other,
Two panels pin-joint piece 263 on the right side of fixture is parallel to each other.Two panels pin-joint piece 262 on the left of one end of fixture 261, fixture,
Two panels pin-joint piece 263 on the right side of fixture is weldingly fixed on crossbeam steel plate 211.Piece one end for turning to regulation oil cylinder 27 sets
Put between the two panels pin-joint piece 262 on the left of fixture, one turns to the one end for adjusting oil cylinder 27 by being located in a fixture left side
The 3rd bearing pin on the two panels pin-joint piece 262 of side is rotatably installed on steering connecting seat 26, and another turns to regulation oil cylinder 27
One end is arranged between the two panels pin-joint piece 263 on the right side of fixture, and another turns to the one end for adjusting oil cylinder 27 by being located in
The 3rd bearing pin on two panels pin-joint piece 263 on the right side of fixture is rotatably installed on steering connecting seat 26, and one turns to regulation oil
The other end of the other end of cylinder 27 and another steering regulation oil cylinder 27 is respectively hinged at the oil of correspondence position wheel mounting seat 22
On cylinder hinge hole, the two ends for being adjusted in synchronism bar 28 are respectively hinged on the synchronizing bar hinge hole at 21 two ends of wheel crossbeam.From
And pass through, drive steering to adjust wheel mounting seat 22 of the oil cylinder 27 with 21 two ends of motor car wheel crossbeam and rotate, and by being adjusted in synchronism
Bar 28 realizes the synchronicity of 22 rotation process of wheel mounting seat, it is to avoid the wheel crossbeam 21 brought by regulation oil cylinder power inequality
Two driving wheels steerings at two ends are asynchronous, and the wheel 24 for causing is damaged, so as to improve smoothness and the safety of steering procedure.
Above content described in this specification is only illustration made for the present invention.Technology belonging to of the invention
The technical staff in field can make various modifications or supplement or adopt similar mode to described specific embodiment
Substitute, content without departing from description of the invention or surmount scope defined in the claims, this all should be belonged to
The protection domain of invention.
Claims (3)
1. a kind of wheel set for aerial work platform, the wheel set include wheel crossbeam, steering mechanism, leveling machine
Structure and it is arranged on the driving wheel assembly at wheel crossbeam two ends, it is characterised in that：It is described driving wheel assembly include wheel mounting seat,
Wheel electrical machine and wheel, vehicle wheel rotation are arranged in wheel mounting seat, and are driven by the wheel electrical machine in wheel mounting seat
Vehicle wheel rotation, the wheel crossbeam include the two panels crossbeam steel plate being vertically arranged, the crossbeam being arranged between two panels crossbeam steel plate
Connecting plate and the U-shaped hinged seat being arranged between two panels crossbeam steel plate, wheel crossbeam bearing pin are horizontally disposed with, wherein, U-shaped is hinged
Overall structure of the seat for a monoblock steel plate punched, so as to be formed on U-shaped hinged seat for accommodating the peace of wheel mounting seat
Dress seat rotation slot, the two sides of U-shaped hinged seat are respectively welded on the inwall of two panels crossbeam steel plate, offer on U-shaped hinged seat
Upper and lower two the first hinge holes, wheel mounting seat base plate that the wheel mounting seat includes being vertically arranged, oil cylinder connection sheet, synchronization
, relative to the rotation installation sheet being distributed up and down, two panels is rotated and offer the second hinge hole on installation sheet for bar connection sheet and two panels,
Offer oil cylinder hinge hole and synchronizing bar hinge hole, the first hinge hole of top in oil cylinder connection sheet, synchronizing bar connection sheet respectively
It is connected by the first bearing pin with the second hinge hole of top, the first hinge hole of lower section passes through second with the second hinge hole of lower section
Bearing pin connects, and the axis of the first bearing pin, the axis of the second bearing pin are with a vertical curve.
2. the wheel set for aerial work platform according to claim 1, it is characterised in that：The one of oil cylinder connection sheet
One end of end and synchronizing bar connection sheet is provided with rectangular-shaped welding breach, welds two faces mutually at a right angle point of breach
It is not weldingly fixed on wheel mounting seat base plate and is mutually on rectangular base plate front and bottom panel side, oil cylinder connection sheet, synchronization
Bar connection sheet, two panels rotate the equal relative wheel mounting seat base plate of installation sheet and are vertically arranged, wherein, oil cylinder connection sheet is connected with synchronizing bar
Between contact pin, synchronizing bar connection sheet and wherein it is a piece of rotation installation sheet between, wherein it is a piece of rotation installation sheet and another rotation
It is provided with for strengthening wheel mounting seat overall structure between installation sheet, between another rotation installation sheet and oil cylinder connection sheet
Welding reinforcement.
3. the wheel set for aerial work platform according to claim 1 and 2, it is characterised in that：Steering mechanism wraps
Include one and turn to connecting seat, two steering regulation oil cylinders and a synchronous adjustment bar, wherein, turning to connecting seat is included in cylinder
The fixture of shape and the two panels pin-joint piece being arranged on the left of fixture, the two panels pin-joint piece being arranged on the right side of fixture, are arranged
The 3rd hinge hole is provided with the two panels pin-joint piece on the left of fixture, on the two panels pin-joint piece that is arranged on the right side of fixture,
Two panels pin-joint piece on the left of fixture is parallel to each other, and the two panels pin-joint piece on the right side of fixture is parallel to each other, one end of fixture,
The two panels pin-joint piece on the right side of two panels pin-joint piece, fixture on the left of fixture is weldingly fixed on crossbeam steel plate, a steering
The one end for adjusting oil cylinder is arranged between the two panels pin-joint piece on the left of fixture, and one turns to the one end for adjusting oil cylinder by wearing
The 3rd bearing pin on the two panels pin-joint piece on the left of fixture is rotatably installed on steering connecting seat, and another turns to regulation oil cylinder
One end be arranged between the two panels pin-joint piece on the right side of fixture, another turn to adjust oil cylinder one end by being located in fixation
The 3rd bearing pin on two panels pin-joint piece on the right side of part is rotatably installed on steering connecting seat, and one turns to the other end for adjusting oil cylinder
It is respectively hinged on the oil cylinder hinge hole of correspondence position wheel mounting seat with another other end for turning to regulation oil cylinder, same to step
The two ends of pole are respectively hinged on the synchronizing bar hinge hole at wheel crossbeam two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410836282.9A CN104494417B (en) | 2014-12-28 | 2014-12-28 | Wheel assembly for aerial work platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410836282.9A CN104494417B (en) | 2014-12-28 | 2014-12-28 | Wheel assembly for aerial work platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104494417A CN104494417A (en) | 2015-04-08 |
| CN104494417B true CN104494417B (en) | 2017-04-12 |
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ID=52935906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410836282.9A Active CN104494417B (en) | 2014-12-28 | 2014-12-28 | Wheel assembly for aerial work platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN104494417B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106064803B (en) * | 2016-08-05 | 2018-10-19 | 湖南星邦重工有限公司 | A kind of relocatable chassis |
| CN106613779A (en) * | 2016-12-27 | 2017-05-10 | 安徽艾瑞德农业装备股份有限公司 | Central pivot type draggable water-saving jet-irrigating machine |
| CN106613778A (en) * | 2016-12-27 | 2017-05-10 | 安徽艾瑞德农业装备股份有限公司 | Draggable water-saving jet-irrigating machine capable of walking by multiple angles |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201694244U (en) * | 2010-03-29 | 2011-01-05 | 裘宇朝 | Chassis structure of pure electric vehicle |
| CN102596601A (en) * | 2009-09-15 | 2012-07-18 | 埃科莫维有限责任公司 | A transport means and a vehicle |
| CN204367874U (en) * | 2014-12-28 | 2015-06-03 | 浙江鼎力机械股份有限公司 | For the wheel set of high-altitude operation platform |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9045163B2 (en) * | 2007-01-26 | 2015-06-02 | Theodore & Associates | Universal chassis apparatus for automotive vehicle |
| US8733478B2 (en) * | 2010-07-29 | 2014-05-27 | Chapman/Leonard Studio Equipment, Inc. | Camera crane mobile base |
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2014
- 2014-12-28 CN CN201410836282.9A patent/CN104494417B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102596601A (en) * | 2009-09-15 | 2012-07-18 | 埃科莫维有限责任公司 | A transport means and a vehicle |
| CN201694244U (en) * | 2010-03-29 | 2011-01-05 | 裘宇朝 | Chassis structure of pure electric vehicle |
| CN204367874U (en) * | 2014-12-28 | 2015-06-03 | 浙江鼎力机械股份有限公司 | For the wheel set of high-altitude operation platform |
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| Publication number | Publication date |
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| CN104494417A (en) | 2015-04-08 |
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