CN108215651A - A kind of high voltage power transmission inspection field full landform commuting vehicle - Google Patents

A kind of high voltage power transmission inspection field full landform commuting vehicle Download PDF

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Publication number
CN108215651A
CN108215651A CN201810007216.9A CN201810007216A CN108215651A CN 108215651 A CN108215651 A CN 108215651A CN 201810007216 A CN201810007216 A CN 201810007216A CN 108215651 A CN108215651 A CN 108215651A
Authority
CN
China
Prior art keywords
rod
wheel hub
tyre surface
driving
vehicle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810007216.9A
Other languages
Chinese (zh)
Inventor
张娜欣
徐秀婉
梁海瑞
张锐
王瑛
柴秀楚
李娜
常丽芳
韩力
张需峰
刘娜
耿腾飞
张志向
何又夫
盛紫焱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengding County Power Supply Branch Of Zhengding County Hebei Electric Power Co Ltd
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Original Assignee
Zhengding County Power Supply Branch Of Zhengding County Hebei Electric Power Co Ltd
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengding County Power Supply Branch Of Zhengding County Hebei Electric Power Co Ltd, State Grid Corp of China SGCC, State Grid Hebei Electric Power Co Ltd filed Critical Zhengding County Power Supply Branch Of Zhengding County Hebei Electric Power Co Ltd
Priority to CN201810007216.9A priority Critical patent/CN108215651A/en
Publication of CN108215651A publication Critical patent/CN108215651A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B15/00Wheels or wheel attachments designed for increasing traction

Abstract

The present invention relates to a kind of high voltage power transmission inspection field full landform commuting vehicles, 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 encountering 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

A kind of high voltage power transmission inspection field full landform commuting vehicle
Technical field
The invention belongs to electric inspection process special-purpose vehicle fields, and in particular to a kind of high voltage power transmission inspection field is led to full landform Diligent vehicle.
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 needs regular expatriate personnel to be 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 encounters 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 Working efficiency greatly reduces personnel labor intensity.
Invention content
The present invention is in order to solve above-mentioned problems of the prior art, and the present invention provides a kind of high voltage power transmission inspection necks Domain full landform commuting vehicle, can adapt to the traveling needs under adverse circumstances, even if vehicle is fallen into, can also save oneself guarantee in time Being normally carried out for inspection work, realizes and the full work attendance formula of various road conditions conditions is passed through, and great convenience is provided for line walking work.
The specific technical solution that the present invention uses is:
A kind of high voltage power transmission inspection field full landform commuting vehicle, the wheel including car body and driving car body movement, institute The wheel stated includes wheel hub and the tyre surface being arranged on wheel hub, the wheel hub rotation center are provided with axle sleeve, and axle sleeve is by wheel Spoke is connect with wheel hub, and for wheel hub by the transmission axis connection on axle sleeve and car body, the tyre surface is in the arc-shaped flaky structure of split, Stretching structure is provided on the wheel hub, tyre surface has the flexible degree of freedom along wheel hub axial direction by the stretching structure, this is stretched Shrinking structure includes the telescopic chute being arranged on wheel hub outer ring surface, the telescopic block being arranged in telescopic chute, and tyre surface is fixed with telescopic block Connection, the stretching structure further includes the driving structure being arranged in wheel hub, scraper plate is additionally provided on the wheel hub, described The arc-shaped laminated structure of scraper plate, the scraper plate is arranged between wheel hub and tyre surface.
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 limiting and match 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 encountering 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, increase the contact area on 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, 25, scraper plate.
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 full landform scheduled bus in high voltage power transmission inspection field , the wheel including car body and driving car body movement, the wheel includes wheel hub 1 and the tyre surface 2 being arranged on wheel hub 1, institute 1 rotation center of wheel hub stated is provided with axle sleeve 3, and axle sleeve 3 is connect by spoke 4 with wheel hub 1, and wheel hub 1 is by axle sleeve 3 and car body Transmission shaft 5 connect, the tyre surface 2 is in the arc-shaped flaky structure of split, is provided with stretching structure, tire on the wheel hub 1 Face 2 has by the stretching structure along the axial flexible degree of freedom of wheel hub 1, which includes being arranged on 1 outer ring surface of wheel hub On 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 the stretching structure is also Including the driving structure being arranged in wheel hub 1.The present invention is by being made in real life to the observation of vehicular rescue, specifically , after vehicle is trapped in muddy or soft terrain, it is stick-like more than diameter of tyres that rescue personnel can bundle length on wheel hub Object by stick-like object and the larger adhesive force on ground, overcomes tyre slip so that tire can grasp ground and use parallel badly Road conditions, for the present invention in inspection vehicle by being used when miriness, soft section, specific occupation mode is driven by driving structure Dynamic stretching structure stretches out tyre surface 2 from the anchor ring of wheel hub 1, and tyre surface 2 marks the anchor ring of wheel hub 1 under the support of telescopic block 7, from And the contact area of wheel hub 1 and ground is increased, and so that wheel hub 1 and the contact surface on ground are irregular, and then formed preferable Adhesive force uses muddy road conditions parallel so as to which vehicle be made smoothly to get rid of poverty, and ensure that passing through for inspection vehicle, improves inspection effect Rate.
Further, the scraper plate that soil is covered for striking off tyre surface 2 after flexible is additionally provided on the wheel hub 1 25, the 25 arc-shaped laminated structure of scraper plate, the scraper plate 25 is arranged between wheel hub 1 and tyre surface 2, and scraper plate 25 is section Rubber strip triangular in shape, the scraper plate 25 are symmetrical arranged in the both sides of telescopic block 7, after the stretching of tyre surface 2 covers soil, when When tyre surface 2 is retracted, by being arranged between wheel hub 1 and tyre surface 2 and striking off soil close to 1 outer peripheral scraper plate 25 of wheel hub, keep away Exempt from soil and enter the gap between wheel hub 1 and tyre surface 2, ensure that the capable of expansion and contraction of tyre surface 2, the scraper plate 25 of setting is triangle knot The rubber strip of structure, when soil scrape it is out-of-date can bend with the moving direction of tyre surface 2, avoid the occurrence of the problem of stuck.
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 encountered, 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 rotation and connect It connects, screw rod 11 will be driven to be hinged on spoke 4 by the through-hole, 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 Limiting cooperation.
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 be moved forward and backward, 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, it also slides 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, master connecting-rod 17 is avoided to shake by carrying slide 21, increase 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, the interchangeability both so as to improve, and 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 (5)

  1. The vehicle 1. a kind of full landform in high voltage power transmission inspection field commutes, the wheel including car body and driving car body movement are described Wheel include wheel hub (1) and the tyre surface (2) that is arranged on wheel hub (1), the wheel hub (1) rotation center is provided with axle sleeve (3), axle sleeve (3) is connect by spoke (4) with wheel hub (1), and wheel hub (1) connects by the transmission shaft (5) on axle sleeve (3) and car body It connects, it is characterised in that:For the tyre surface (2) in the arc-shaped flaky structure of split, the wheel hub is provided with flexible knot on (1) Structure, tyre surface (2) have the flexible degree of freedom along wheel hub (1) axial direction by the stretching structure, which includes being arranged on wheel Telescopic chute (6) on hub (1) outer ring surface, the telescopic block (7) being arranged in telescopic chute (6), tyre surface (2) are fixed with telescopic block (7) Connection, the stretching structure further include the driving structure being arranged in wheel hub (1), and the driving structure includes power connector There are the driving screw rod (11) of motor (10), the drive disk (12) for being sleeved on axle sleeve (3) and being slidably connected with axle sleeve (3), it is described Drive disk (12) the translation freedom to be formed and moved back and forth along axle sleeve (3) axis direction is driven by the rotation of driving screw rod (11) Degree, is provided with driving slide (13) on the drive disk (12), the driving slide (13) by kinematic link structure with Tyre surface (2) is drivingly connected, and the motor (10) is fixed on axle sleeve (3), motor (10) output terminal and driving screw rod (11) it Between by gear drive, the axis of the motor (10) output terminal and driving screw rod (11) is at right angles set, the wheel hub (1) scraper plate (25), the scraper plate (25) arc-shaped laminated structure are additionally provided on, the scraper plate (25) is arranged on wheel hub (1) between tyre surface (2).
  2. The vehicle 2. a kind of full landform in high voltage power transmission inspection field according to claim 1 commutes, it is characterised in that:It is described Kinematic link structure include master connecting-rod (17) and slave connecting rod (18), the stage casing of master connecting-rod (17) and be applied on spoke (4) Lever ring (19) is hinged, and 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) between tyre surface (2), the slave connecting rod (18) is telescopic spring bar.
  3. The vehicle 3. a kind of full landform in high voltage power transmission inspection field according to claim 2 commutes, it is characterised in that:It is described Slave connecting rod (18) be also associated with restoring link (20), the restoring link (20) is telescopic spring bar, restoring link (20) It is hinged between slave connecting rod (18) and master connecting-rod (17).
  4. The vehicle 4. a kind of full landform in high voltage power transmission inspection field according to claim 2 commutes, it is characterised in that:It is described 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) is hinged, and the carrying slide (21) includes connecting seat (22) and bearing seat (23), the bearing seat (23) with It is arranged on the formation of wheel hub (1) inner ring surface to be slidably matched, the connecting seat (22) is hinged with master connecting-rod (17), the connecting seat (22) adjusting rod (24) is provided between bearing seat (23), the adjusting rod (24) is telescopic spring bar.
  5. The vehicle 5. a kind of full landform in high voltage power transmission inspection field according to claim 1 commutes, it is characterised in that:It is described Stretching structure the positive and negative direction of wheel hub (1) axial direction is provided with interlaced two groups.
CN201810007216.9A 2018-01-04 2018-01-04 A kind of high voltage power transmission inspection field full landform commuting vehicle Pending CN108215651A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810007216.9A CN108215651A (en) 2018-01-04 2018-01-04 A kind of high voltage power transmission inspection field full landform commuting vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810007216.9A CN108215651A (en) 2018-01-04 2018-01-04 A kind of high voltage power transmission inspection field full landform commuting vehicle

Publications (1)

Publication Number Publication Date
CN108215651A true CN108215651A (en) 2018-06-29

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ID=62642812

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810007216.9A Pending CN108215651A (en) 2018-01-04 2018-01-04 A kind of high voltage power transmission inspection field full landform commuting vehicle

Country Status (1)

Country Link
CN (1) CN108215651A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH200506A (en) * 1936-03-05 1938-10-15 Goodrich S A Anti-slip device for vehicles, to facilitate the progression of the vehicle on soft ground, in particular in snow.
CN101746210A (en) * 2010-01-21 2010-06-23 黎明恒 Traveling wheel of farm machine
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
CN105730539A (en) * 2016-02-16 2016-07-06 秦广泉 Walking device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH200506A (en) * 1936-03-05 1938-10-15 Goodrich S A Anti-slip device for vehicles, to facilitate the progression of the vehicle on soft ground, in particular in snow.
CN101746210A (en) * 2010-01-21 2010-06-23 黎明恒 Traveling wheel of farm machine
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
CN105730539A (en) * 2016-02-16 2016-07-06 秦广泉 Walking device

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Application publication date: 20180629

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