CN108099484A - A kind of electric inspection process vehicle of severe road conditions - Google Patents
A kind of electric inspection process vehicle of severe road conditions Download PDFInfo
- Publication number
- CN108099484A CN108099484A CN201711101634.6A CN201711101634A CN108099484A CN 108099484 A CN108099484 A CN 108099484A CN 201711101634 A CN201711101634 A CN 201711101634A CN 108099484 A CN108099484 A CN 108099484A
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- rod
- wheel hub
- driving
- tyre surface
- inspection process
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- 238000007689 inspection Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 230000001788 irregular Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B15/00—Wheels or wheel attachments designed for increasing traction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
-
- 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
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
- Tires In General (AREA)
Abstract
The present invention relates to a kind of electric inspection process vehicles of severe road conditions, belong to electric inspection process special-purpose vehicle field, the present invention uses and improves vehicle wheel structure on the basis of electric inspection process vehicle, when running into heavy road condition, in especially getting down hopeless in a quagmire, when tire can not be grasped with ground, by the stretching of tyre surface, increase the contact area on wheel and ground, and form irregular wheel surface shape, the adhesive ability to ground is improved, ensures the preferable passability of vehicle, so as to ensure that being smoothed out for inspection work.
Description
Technical field
The invention belongs to electric inspection process special-purpose vehicle fields, and in particular to a kind of electric inspection process vehicle of severe road conditions.
Background technology
In order to facilitate the remote transmission of electric energy, power transmission network has spread all over the most area of motherland, defeated in order to ensure
The normal work of electric line, it is necessary to periodically expatriate personnel safeguarded, and be no lack of in these above-mentioned areas hill path, marsh, jungle,
The adverse circumstances such as river shoal, this brings great inconvenience to the inspection maintenance of personnel, and traditional method is that personnel carry out by walking
Inspection is accompanied without vehicle, and provisions goods and materials and maintenance of equipment can not carry, again by its other party after personnel determine damage place
Formula brings maintenance of equipment into, and therefore, the inspection of circuit brings great labor intensity to staff and also safeguards band to line walking
Great inconvenience is carried out, currently used mode is mainly improved electric inspection process vehicle, such as increases bottom plating enhancing
Electric inspection process vehicle resists the danger that hill path scratches chassis, and repacking wide cross-section tire improves cross-country power, but runs into marsh, river shoal etc.
Swampy terrain, the passability of electric inspection process vehicle will substantially reduce, once the wheel of vehicle is fallen into, vehicle will be difficult to move,
Influence being normally carried out for inspection work.
Therefore, as can providing a kind of electric inspection process vehicle that can overcome adverse circumstances, it will line walking maintenance is greatly improved
Work efficiency greatly reduces personnel labor intensity.
The content of the invention
The present invention is in order to solve above-mentioned problems of the prior art, and the present invention provides a kind of electricity of severe road conditions
Power inspection car can adapt to the traveling needs under adverse circumstances, even if vehicle is fallen into, can also save oneself in time and ensure inspection work
It is normally carried out.
The specific technical solution that the present invention uses is：
A kind of electric inspection process vehicle of severe road conditions, the wheel including car body and driving car body movement, the wheel bag
Wheel hub and the tyre surface being arranged on wheel hub are included, the wheel hub pivot is provided with axle sleeve, and axle sleeve connects by spoke and wheel hub
It connects, wheel hub is by the transmission axis connection on axle sleeve and car body, and the tyre surface is in the arc-shaped flaky structure of split, the wheel hub
On be provided with stretching structure, tyre surface has the flexible degree of freedom along wheel hub axial direction by the stretching structure, which includes
The telescopic chute being arranged on wheel hub outer ring surface, the telescopic block being arranged in telescopic chute, tyre surface is fixedly connected with telescopic block, described
Stretching structure further includes the driving structure being arranged in wheel hub.
Wearing layer is provided on the tyre surface.
The tyre surface is hingedly fixed with telescopic block.
The expansion joint of clearance-type is provided between the tyre surface.
The driving structure, which includes power connector, to be had the driving screw rod of motor, is sleeved on axle sleeve and slide company with axle sleeve
The drive disk connect, the drive disk form the translation moved back and forth along axle sleeve axis direction by the rotation driving of driving screw rod
Degree of freedom, driving slide is provided on the drive disk, and the driving slide drives by kinematic link structure and tyre surface
Connection.
The motor is fixed on axle sleeve, by gear drive, the electricity between motor output end and driving screw rod
Machine output terminal is with driving the axis of screw rod at right angles to set.
The driving screw rod and the through hole being arranged on spoke are formed and are rotatablely connected.
Driving sliding slot is provided on the drive disk, the driving slide is arranged in driving sliding slot and is formed along drive
The degree of freedom that dynamic sliding slot direction moves back and forth, the drive disk are provided with position limiting structure with shaft room, which includes
It is arranged on the limiting slot of drive disk inner ring and the positive stop strip being arranged on axle sleeve, positive stop strip is set with limiting slot to be formed /V and match somebody with somebody
It closes.
The kinematic link structure includes master connecting-rod and slave connecting rod, the stage casing of master connecting-rod and the lever being applied on spoke
Ring is hinged, and described master connecting-rod one end is hinged with driving slide, and slave connecting rod is hinged between master connecting-rod and tyre surface, and the pair is even
Bar is telescopic spring bar.
The slave connecting rod is also associated with restoring link, and the restoring link is telescopic spring bar, and restoring link is hinged
Between slave connecting rod and master connecting-rod.
It is also slided on the inner ring surface of the wheel hub and is provided with carrying slide, the other end of the master connecting-rod and the carrying
Slide is hinged, and the carrying slide includes connecting seat and bearing seat, and the bearing seat is formed with being arranged on wheel hub inner ring surface
It is slidably matched, the connecting seat is hinged with master connecting-rod, and adjusting rod is provided between the connecting seat and bearing seat, described
Adjusting rod is telescopic spring bar.
The positive and negative direction of the stretching structure along wheel hub axial direction is provided with interlaced two groups.
The beneficial effects of the invention are as follows：
The present invention, when running into heavy road condition, is especially fallen into using vehicle wheel structure is improved on the basis of electric inspection process vehicle
Enter in mud pit, when tire can not be grasped with ground, by the stretching of tyre surface, the contact area on increase wheel and ground, and shape
Into irregular wheel surface shape, the adhesive ability to ground is improved, ensures the preferable passability of vehicle, so as to ensure that
Inspection work is smoothed out.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the side view of the present invention；
Fig. 3 is the structure diagram of drive disk of the present invention；
Fig. 4 is the schematic diagram of driving structure when tyre surface of the present invention stretches out；
Fig. 5 is the schematic diagram of the flexible situation of tyre surface when tyre surface of the present invention stretches out；
In attached drawing, 1, wheel hub, 2, tyre surface, 3, axle sleeve, 4, spoke, 5, transmission shaft, 6, telescopic chute, 7, telescopic block, 8, wear-resisting
Layer, 9, expansion joint, 10, motor, 11, driving screw rod, 12, drive disk, 13, driving slide, 14, driving sliding slot, 15, limiting slot,
16th, positive stop strip, 17, master connecting-rod, 18, slave connecting rod, 19, lever ring, 20, restoring link, 21, carrying slide, 22, connecting seat, 23,
Bearing seat, 24, adjusting rod, 121, reverse drive disk.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the invention will be further described：
Specific embodiment 1, as shown in Fig. 1 to Fig. 5, the present invention is a kind of electric inspection process vehicle of severe road conditions, including vehicle
Body and the wheel of driving car body movement, the wheel include wheel hub 1 and the tyre surface 2 being arranged on wheel hub 1, the wheel hub 1
Pivot is provided with axle sleeve 3, and axle sleeve 3 is connected by spoke 4 with wheel hub 1, and wheel hub 1 is by the transmission shaft 5 on axle sleeve 3 and car body
Connection, the tyre surface 2 are in the arc-shaped flaky structure of split, are provided with stretching structure on the wheel hub 1, tyre surface 2 is by this
Stretching structure has along the axial flexible degree of freedom of wheel hub 1, which includes the telescopic chute being arranged on 1 outer ring surface of wheel hub
6th, the telescopic block 7 being arranged in telescopic chute 6, tyre surface 2 are fixedly connected with telescopic block 7, and the stretching structure, which further includes, to be arranged on
Driving structure in wheel hub 1.The present invention is by being made in real life to the observation of vehicular rescue, specifically, working as vehicle
After being trapped in muddy or soft terrain, rescue personnel can bundle the stick-like object that length is more than diameter of tyres on wheel hub, by rod
Shape object and the larger adhesive force on ground, overcome tyre slip so that tire can grasp ground and use severe road conditions, this hair parallel
Bright to be used when inspection vehicle passes through muddy, soft section, specific occupation mode is to drive stretching structure by driving structure
Tyre surface 2 is stretched out from the anchor ring of wheel hub 1, tyre surface 2 marks the anchor ring of wheel hub 1 under the support of telescopic block 7, so as to add wheel
Hub 1 and the contact area on ground, and so that wheel hub 1 and the contact surface on ground are irregular, and then preferable adhesive force is formed, so as to
Vehicle is made smoothly to get rid of poverty and uses muddy road conditions parallel, ensure that passing through for inspection vehicle, improves routing inspection efficiency.
Further, in order to improve the durability of tyre surface 2, deformation, the tire are punctured by mountain stone when avoiding passing through hill path
Wearing layer 8 is provided on face 2.The protective effect to tyre surface 2 is played by wearing layer 8, improves 2 durability of tyre surface.
Further, the tyre surface 2 and telescopic block 7 are hingedly fixed, when inclination, out-of-flatness is run into,
By tyre surface 2 and the articulated structure of telescopic block 7 so that tyre surface 2 has the rotary freedom of relative telescopic block 7, so as to when tyre surface 2
When rolling road surface protrusion or pavement roughness, there is the ability with hypsography.
Further, in order to avoid adjacent tyre surface 2 in the process of moving, mutually being squeezed due to stress causes deformation to be damaged
It is bad, the expansion joint 9 of clearance-type is provided between the tyre surface 2, tyre surface 2 is platy structure, using sheet solid tyre liner
Aluminium alloy plate is made, and after the solid tyre of rubber material mutually squeezes, is easy to cause edge aging deformation, influences to use, therefore
Make this design.
Specific embodiment 2, further, as shown in Figures 1 and 3, the driving structure, which includes power connector, motor
10 driving screw rod 11, the drive disk 12 for being sleeved on axle sleeve 3 and being slidably connected with axle sleeve 3, the drive disk 12 is by drive
The rotation driving of dynamic screw rod 11 forms the translation freedoms moved back and forth along 3 axis direction of axle sleeve, is set on the drive disk 12
Driving slide 13 is equipped with, the driving slide 13 is drivingly connected by kinematic link structure and tyre surface 2.The driving screw rod 11 is set
It being equipped with motion thread and is formed by the motion thread and drive disk 12 and is sequentially connected, the lead angle of motion thread is less than 30 °,
So that driving screw rod 11 forms self-locking cooperation with drive disk 12, avoid occurring what drive disk 12 reversed after stalling because of driving screw rod 11
Situation ensures safe to use.
Further in order to ensure that motor 10 can be steadily driven with driving screw rod 11, the motor 10 is fixed on axis
On set 3, by gear drive, 10 output terminal of motor and driving screw rod 11 between 10 output terminal of motor and driving screw rod 11
Axis at right angles set, realize 10 output terminals of motor with driving the accurate biography of screw rod 11 by the intermeshing of two bevel gears
It is dynamic, transmission efficiency.
Further, in order to save space, the driving screw rod 11 and the through hole being arranged on spoke 4 form the company of rotation
It connects, by the through hole screw rod 11 will be driven to be hinged on spoke 4, so as to avoid the play of driving screw rod 11, ensure that safety is steady
It is fixed to use.
Further, in order to ensure that kinematic link can be moved smoothly, driving sliding slot is provided on the drive disk 12
14, the driving slide 13 is arranged in driving sliding slot 14 and forms the degree of freedom moved back and forth along 14 direction of driving sliding slot,
In order to avoid drive disk 12 rotates, position limiting structure is provided between the drive disk 12 and axle sleeve 3, which includes setting
Limiting slot 15 and the positive stop strip 16 that is arranged on axle sleeve 3 in 12 inner ring of drive disk, positive stop strip 16 are formed with the suit of limiting slot 15
/V coordinates.
The kinematic link structure includes master connecting-rod 17 and slave connecting rod 18, and the stage casing of master connecting-rod 17 is with being applied in spoke 4
On lever ring 19 it is hinged, described 17 one end of master connecting-rod and driving slide 13 is hinged, slave connecting rod 18 be hinged on master connecting-rod 17 with
Between tyre surface 2, the slave connecting rod 18 is telescopic spring bar.By slip of the driving slide 13 on drive disk 12 so that main
17 energy smooth rotation of connecting rod, avoids 17 stress deformation of master connecting-rod.
Specifically, the adjusting process of the present invention starts 10 forward direction of motor for personnel or reversely rotates, the driving spiral shell of setting
Bar 11 drives drive disk 12 to move back and forth, by taking drive disk 12 is moved to wheel hub direction as an example, according to lever principle, when drive disk 12
After movement, master connecting-rod 17 is rotated around with the hinge joint of lever ring 19, and in Fig. 1,17 end pushing tow slave connecting rod 18 of master connecting-rod will be even
The tyre surface 2 for being connected on 18 top of slave connecting rod is released, and slave connecting rod 18 is flexible to offset because the mobile length of connecting rod brought changes, and works as driving
When disk 12 moves backward, the above process is reversed, so as to which tyre surface 2 be retracted.
Further, in order to ensure the straight of tyre surface 2, the slave connecting rod 18 is also associated with restoring link 20, described
Restoring link 20 is telescopic spring bar, and restoring link 20 is hinged between slave connecting rod 18 and master connecting-rod 17.When actual travel process
In, under road surface fluctuating, rubble, inclination conditions, tyre surface 2 is squeezed and the hinge joint around telescopic block 7 rotates, the state in rotation
As shown in figure 4, slave connecting rod 18 is shunk and into wheel hub to rotation, restoring link 20, which is shunk, provides screen resilience, after extruding is released,
Slave connecting rod 18 sets back under the pushing tow of restoring link 20, ensures that tyre surface 2 is contacted with the normal of ground.
Further, also slide to be provided in order to avoid 17 end of master connecting-rod deforms, on the inner ring surface of the wheel hub 1 and hold
Slide 21 is carried, the other end of the master connecting-rod 17 is hinged with the carrying slide 21, and the carrying slide 21 includes connecting seat
22 and bearing seat 23, the bearing seat 23 is slidably matched with being arranged on the formation of 1 inner ring surface of wheel hub, the connecting seat 22 with it is main
Connecting rod 17 is hinged, adjusting rod 24 is provided between the connecting seat 22 and bearing seat 23, the adjusting rod 24 is stretched for spring
Contracting bar.It after master connecting-rod 17 rotates, shrinks or extends by adjusting rod 24, ensure that master connecting-rod 17 joins with carrying the position of slide 21
It is dynamic, by carrying slide 21 master connecting-rod 17 is avoided to rock, add the supporting point of master connecting-rod 17, ensure that reliable in use
Property, while improve frictional force when master connecting-rod 17 resets by carrying slide 21 so that and when slave connecting rod 18 stretches, master connecting-rod 17
Position is relatively fixed, and reduces the possibility of 2 motion deformation of tyre surface, is further ensured that the movement of tyre surface 2 is reliable.
Specific embodiment 3, as shown in figure 4, in order to further increase the passability of wheel of the present invention, the stretching structure
The positive and negative direction axial along wheel hub 1 is provided with interlaced two groups.Have additional one group of reverse drive opposite with drive disk 12
Disk 121, drive disk 12 and reverse drive disk 121 are respectively arranged on axle sleeve 3, and are driven respectively by driving screw rod 11, are driven
It is derotation between screw rod 11 and reverse drive disk 121 to screw thread, and then ensures drive disk 12 and reverse drive disk 121 simultaneously inwardly
Or it is displaced outwardly, the knot of the kinematic link structure that the reverse drive disk 121 is connected and 12 kinematic link structure of drive disk
Structure is identical, but the two is oppositely arranged, so as to improve the interchangeability of the two, reduces manufacture cost.
The drive disk 12 is relatively large in diameter, and heat emission hole is provided with along in the disk of its rim section, the drive disk 12,
Brake disc in using as wheel uses, so as to further reduce the cost.
Further, fixed tyre surface is additionally provided on the wheel hub 2, positive, fixed, reversed tyre surface is alternately set
It puts, ensure that the regularity of 2 appearance of wheel hub, also fully ensured that the tyre surface that both sides are stretched out is uniformly distributed, avoided stress bias, protected
It demonstrate,proves safe to use.
Claims (6)
1. a kind of electric inspection process vehicle of severe road conditions, the wheel including car body and driving car body movement, the wheel include
Wheel hub (1) and the tyre surface (2) being arranged on wheel hub (1), the wheel hub (1) pivot are provided with axle sleeve (3), axle sleeve (3)
It is connected by spoke (4) with wheel hub (1), wheel hub (1) is connected by axle sleeve (3) with the transmission shaft (5) on car body, and feature exists
In：The tyre surface (2) is in the arc-shaped flaky structure of split, is provided with stretching structure on the wheel hub (1), tyre surface (2) is borrowed
Help the stretching structure that there is the flexible degree of freedom along wheel hub (1) axial direction, which includes being arranged on wheel hub (1) outer ring surface
Telescopic chute (6), the telescopic block (7) that is arranged in telescopic chute (6), tyre surface (2) is fixedly connected with telescopic block (7), and described stretches
Shrinking structure further includes the driving structure being arranged in wheel hub (1), and the expansion joint of clearance-type is provided between the tyre surface (2)
(9)。
2. a kind of electric inspection process vehicle of severe road conditions according to claim 1, it is characterised in that：The driving structure
There are the driving screw rod (11) of motor (10), the driving for being sleeved on axle sleeve (3) and being slidably connected with axle sleeve (3) including power connector
Disk (12), the drive disk (12) are formed along axle sleeve (3) axis direction by the rotation driving of driving screw rod (11) and back and forth moved
Dynamic translation freedoms are provided with driving slide (13) on the drive disk (12), and the driving slide (13) is by biography
Dynamic link mechanism is drivingly connected with tyre surface (2).
3. a kind of electric inspection process vehicle of severe road conditions according to claim 2, it is characterised in that：The kinematic link
Structure includes master connecting-rod (17) and slave connecting rod (18), the stage casing of master connecting-rod (17) and the lever ring (19) being applied on spoke (4)
Hinged, described master connecting-rod (17) one end is hinged with driving slide (13), and slave connecting rod (18) is hinged on master connecting-rod (17) and tyre surface
(2) between, the slave connecting rod (18) is telescopic spring bar.
4. a kind of electric inspection process vehicle of severe road conditions according to claim 3, it is characterised in that：The slave connecting rod
(18) restoring link (20) is also associated with, the restoring link (20) is telescopic spring bar, and restoring link (20) is hinged on pair
Between connecting rod (18) and master connecting-rod (17).
5. a kind of electric inspection process vehicle of severe road conditions according to claim 3, it is characterised in that：The wheel hub (1)
Inner ring surface on also slide and be provided with carrying slide (21), the other end of the master connecting-rod (17) and the carrying slide (21) are cut with scissors
It connects, the carrying slide (21) includes connecting seat (22) and bearing seat (23), and the bearing seat (23) is with being arranged on wheel hub
(1) inner ring surface formation is slidably matched, and the connecting seat (22) is hinged with master connecting-rod (17), the connecting seat (22) and carrying
Adjusting rod (24) is provided between seat (23), the adjusting rod (24) is telescopic spring bar.
6. a kind of electric inspection process vehicle of severe road conditions according to claim 1, it is characterised in that：The stretching structure
The positive and negative direction of wheel hub (1) axial direction is provided with interlaced two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711101634.6A CN108099484B (en) | 2017-11-10 | 2017-11-10 | An electric inspection car for bad road conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711101634.6A CN108099484B (en) | 2017-11-10 | 2017-11-10 | An electric inspection car for bad road conditions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108099484A true CN108099484A (en) | 2018-06-01 |
| CN108099484B CN108099484B (en) | 2019-12-10 |
Family
ID=62207439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711101634.6A Active CN108099484B (en) | 2017-11-10 | 2017-11-10 | An electric inspection car for bad road conditions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108099484B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107878111A (en) * | 2017-12-05 | 2018-04-06 | 国家电网公司 | One kind prevents stranded electric inspection process car |
| CN108081863A (en) * | 2017-11-15 | 2018-05-29 | 国家电网公司 | A kind of self-rescue electric inspection process vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2182006A (en) * | 1985-10-22 | 1987-05-07 | Tatra Koprivnice Op | Device for assisting movement of a wheeled motor vehicle on soft ground |
| CN105172469A (en) * | 2015-10-14 | 2015-12-23 | 南京工程学院 | Retractable type non-inflatable wheel allowing ground contact area of tire tread to be changed |
-
2017
- 2017-11-10 CN CN201711101634.6A patent/CN108099484B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2182006A (en) * | 1985-10-22 | 1987-05-07 | Tatra Koprivnice Op | Device for assisting movement of a wheeled motor vehicle on soft ground |
| CN105172469A (en) * | 2015-10-14 | 2015-12-23 | 南京工程学院 | Retractable type non-inflatable wheel allowing ground contact area of tire tread to be changed |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108081863A (en) * | 2017-11-15 | 2018-05-29 | 国家电网公司 | A kind of self-rescue electric inspection process vehicle |
| CN107878111A (en) * | 2017-12-05 | 2018-04-06 | 国家电网公司 | One kind prevents stranded electric inspection process car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108099484B (en) | 2019-12-10 |
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