CN113460177A - Wheel-track dual-purpose multifunctional belt opener - Google Patents

Wheel-track dual-purpose multifunctional belt opener Download PDF

Info

Publication number
CN113460177A
CN113460177A CN202110906641.3A CN202110906641A CN113460177A CN 113460177 A CN113460177 A CN 113460177A CN 202110906641 A CN202110906641 A CN 202110906641A CN 113460177 A CN113460177 A CN 113460177A
Authority
CN
China
Prior art keywords
front axle
rear axle
wheel
oil cylinder
frame
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
CN202110906641.3A
Other languages
Chinese (zh)
Inventor
马进生
徐喜建
李庆
章程
焦伟刚
沈小旭
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.)
Sunward Intelligent Equipment Co Ltd
Original Assignee
Sunward Intelligent Equipment 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 Sunward Intelligent Equipment Co Ltd filed Critical Sunward Intelligent Equipment Co Ltd
Priority to CN202110906641.3A priority Critical patent/CN113460177A/en
Publication of CN113460177A publication Critical patent/CN113460177A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D55/00Endless track vehicles
    • B62D55/04Endless track vehicles with tracks and alternative ground wheels, e.g. changeable from endless track vehicle into wheeled vehicle and vice versa
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/14Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
    • B60G11/16Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/10Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid gearing
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/961Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements with several digging elements or tools mounted on one machine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00Indexing codes relating to the type of vehicle
    • B60G2300/09Construction vehicles, e.g. graders, excavators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/20Stationary vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

The invention discloses a wheel-track dual-purpose multifunctional belt opening machine which comprises a frame, a track walking chassis and a wheel type walking mechanism, wherein the wheel type walking mechanism comprises a front axle assembly, a front axle bracket, a front axle push-pull oil cylinder, a rear axle assembly, a rear axle bracket and a rear axle push-pull oil cylinder, the front axle assembly is assembled with the frame through the front axle bracket and is driven to lift or descend through the front axle push-pull oil cylinder, and the rear axle assembly is assembled with the frame through the rear axle bracket and is driven to lift or descend through the rear axle push-pull oil cylinder. The utility model provides a dual-purpose multi-functional division of tape unit of wheel-track possesses crawler-type and wheeled walking mode simultaneously, through preceding, before the drive of rear axle push-and-pull hydro-cylinder, the switching that the walking mode can be realized in the lift of rear axle assembly for the complete machine not only possesses under the crawler-type walking mode, advantage that cross-country performance is good, possesses the advantage that efficiency is high (need not to ask with the help of the wooden handcart) in wheeled transition moreover, also is favorable to improving convenience, stationarity and the adaptability of transportation.

Description

Wheel-track dual-purpose multifunctional belt opener
Technical Field
The invention relates to the technical field of belt opening machines for forests, in particular to a wheel-track dual-purpose multifunctional belt opening machine.
Background
The forest belt cutting machine is mainly used for daily maintenance of working condition construction such as forest fire prevention barrier belts, forest road and river emergency barrier belts and emergency fire prevention channels, is suitable for clearing shrubs, burning lands and forest road opening and trimming of fire prevention barrier belts, and is a modern machine for building a forest fire prevention barrier system.
The belt cutting machine for the forest is based on a crawler excavator, achieves forest cutting by being provided with a belt cutting machine head with a crushing function, and can be provided with a hydraulic shear, a crushing hammer, a hydraulic clamp, a hydraulic push tooth and conventional accessories of a medium excavator to achieve functions of shearing, impact crushing, grabbing and cutting barren grass shrubs and the medium excavator.
At present, the belt opener for forest is mainly in a caterpillar belt form. The advantages are that: the area of contact is big, so muddy, the ground and the road conditions adaptability that go into easily such as wetland are better, also can be competent at the woodland or the abominable place of operating mode, and cross-country ability is strong, and this place that just makes the belt opener can go is more extensive. In addition, the production cost is low and the investment is small. There are however also significant disadvantages: the plate trailer is slow in moving speed and poor in maneuverability, the highest design hourly speed is generally 5-7KM/H, the plate trailer is used for transportation when the plate trailer is used for long-distance movement, a road between mountains is usually narrow, the plate trailer usually needs to be turned around when the plate trailer is driven to a wide area at the end of the road, the plate trailer is quite inconvenient to move, the construction cost is greatly increased, and the construction efficiency is reduced.
The prior non-wheel-track dual-purpose belt opening machine product in the market is similar to wheel-track dual-purpose equipment, and a hydraulic motor is adopted to drive a track to travel; meanwhile, the wheel type travelling mechanism is driven by a transmission mode of an engine, a coupler, a gearbox and a transmission shaft, and a mounting space for transmission components such as the gearbox, the transmission shaft and the like is reserved at the bottom of the frame; the braking of the whole wheel type traveling system is in a pneumatic control mode and is provided with an air pump, an air storage tank, an air source purification processor, a pneumatic control valve, an air cylinder and an axle in a drum brake mode. The disadvantages are that: 1. when the crawler traveling mode is switched, the raised wheel type mechanism needs to be high enough, and the passing performance of the whole machine can meet the requirement, so that the height of a crawler traveling frame (frame) from the ground needs to be high enough, and the spatial arrangement of a gearbox and a transmission shaft can be met, so that the gravity center of the whole machine is raised, and the traveling stability and the working stability are greatly influenced; 2. the space below the crawler walking frame is occupied by the gearbox and the transmission shaft, so that the lower space is limited, and the transmission system is easily damaged due to interference with the ground when the crawler walking frame passes through the ground with a steep slope and a complex road condition; 3. the whole machine crawler mode adopts hydraulic drive and control, and the brake system adopts a pneumatic control structure, so that the system configuration and control are more complicated, and meanwhile, the reliability and the sensitivity of a pneumatic control original piece hardly meet the expected requirements.
In fields such as forestry system, emergency rescue, highway construction, to possessing and having better cross-country ability of traveling in the place that the operating mode is abominable, move simultaneously fast, do not rely on the plate car, complete machine work load is big, construction fill capacity is big, have the wheel-track dual-purpose belt opener demand of great power requirement to hydraulic system comparatively urgent. Therefore, the development of the wheel-track dual-purpose belt opener which has good cross-country capacity, high moving speed and high transition speed (independent of plate car and trailer delivery), has larger working load, meets the hydraulic power requirement of the belt opener and has larger bucket capacity is of great significance.
Disclosure of Invention
In view of this, the invention aims to provide a wheel-track dual-purpose multifunctional belt opener, which gives consideration to both off-road capability and maneuverability and simultaneously improves convenience, stability and adaptability of a transfer process.
The invention solves the problems through the following technical means:
a wheel-track dual-purpose multifunctional belt opener comprises a frame, a track walking chassis and a wheel type walking mechanism, wherein the wheel type walking mechanism comprises a front axle assembly, a front axle support, a front axle push-pull oil cylinder, a rear axle assembly, a rear axle support and a rear axle push-pull oil cylinder, the front axle assembly is assembled with the frame through the front axle support and is driven to lift or descend through the front axle push-pull oil cylinder, and the rear axle assembly is assembled with the frame through the rear axle support and is driven to lift or descend through the rear axle push-pull oil cylinder.
Furthermore, the front axle support is hinged with the frame through a support pin shaft, and two ends of the front axle push-pull oil cylinder are respectively hinged with the front axle support and the frame through an oil cylinder pin shaft; the rear axle support is hinged with the frame through a support pin shaft, and two ends of the rear axle push-pull oil cylinder are hinged with the rear axle support and the frame through oil cylinder pin shafts respectively.
Further, the wheel-type traveling mechanism is a front-drive traveling mechanism or a rear-drive traveling mechanism driven by a wheel-type hydraulic traveling motor.
Further, the wheel type traveling mechanism is a rear-drive type traveling mechanism driven by a wheel type hydraulic traveling motor, and the wheel type hydraulic traveling motor is in transmission connection with a gearbox fixed on the rear axle assembly.
Furthermore, a protective cover is arranged on the rear axle bracket.
Further, the wheel type travelling mechanism is a hydraulic braking type travelling mechanism.
Further, the front axle assembly is connected with the front axle bracket through a suspension assembly; the rear axle assembly is connected with the rear axle bracket through a connecting bolt.
Furthermore, be provided with the elastic buffer reset assembly between the both sides of front axle support and the corresponding side of front axle assembly, the elastic buffer reset assembly includes extension spring, limiting plate and cushion that resets, the both ends of extension spring that resets are connected with the ear seat on front axle support and the front axle assembly respectively, limiting plate and cushion set up respectively in front axle support bottom and front axle assembly top.
Further, the frame is integrated with a belt opener main body and a working arm assembly, and the end part of the working arm assembly is provided with a working device.
Furthermore, the working device is one or more of a hammer tooth belt opening machine head, a hydraulic shear, a breaking hammer, a hydraulic clamp, a hydraulic push tooth and a bucket.
The invention has the beneficial effects that:
the invention discloses a wheel-track dual-purpose multifunctional belt opening machine, which comprises a frame, a track walking chassis and a wheel type walking mechanism, wherein the wheel type walking mechanism comprises a front axle assembly, a front axle bracket, a front axle push-pull oil cylinder, a rear axle assembly, a rear axle bracket and a rear axle push-pull oil cylinder, the front axle assembly is assembled with the frame through the front axle bracket and is driven to lift or descend through the front axle push-pull oil cylinder, and the rear axle assembly is assembled with the frame through the rear axle bracket and is driven to lift or descend through the rear axle push-pull oil cylinder. The utility model provides a band opening machine possesses crawler-type and wheeled walking mode simultaneously, and before the drive of through preceding, rear axle push-and-pull hydro-cylinder, rear axle assembly goes up and down to realize walking mode's switching for the complete machine not only possesses under the crawler-type walking mode, advantage that cross-country performance is good, possesses the advantage that efficiency is high (need not to consign with the help of the wooden handcart) moreover in wheeled transition, also is favorable to improving the convenience, stationarity and the adaptability of transportation.
Drawings
The invention is further described below with reference to the figures and examples.
FIG. 1 is a schematic view of the assembly of the running gear of the preferred embodiment of the present invention;
FIG. 2 is a schematic perspective view of a connection between a wheel-type hydraulic traveling motor and a rear axle assembly;
FIG. 3 is a side view of the connection of the wheeled hydraulic travel motor to the rear axle assembly;
FIG. 4 is a schematic illustration of the installation of the front axle assembly;
FIG. 5 is a side view of FIG. 4;
FIG. 6 is a schematic illustration of the installation of the rear axle assembly;
FIG. 7 is a side view of FIG. 6;
FIG. 8 is a schematic illustration of the swing of the front axle assembly;
FIG. 9 is a schematic view of a state of the tape opener of the preferred embodiment of the present invention;
fig. 10 is another state diagram of the tape opener according to the preferred embodiment of the invention.
Detailed Description
The present invention will be described in detail below with reference to the drawings and examples.
As shown in fig. 1-10, the wheel-track dual-purpose multifunctional belt opener of the embodiment includes a frame 5, a track traveling chassis 4 and a wheel type traveling mechanism, wherein the track traveling chassis 4 is driven and controlled by hydraulic pressure; the wheel type travelling mechanism comprises a front axle assembly 1, a front axle support 2, a front axle push-pull oil cylinder 3, a rear axle assembly 8, a rear axle support 7 and a rear axle push-pull oil cylinder 6, wherein the front axle assembly 1 is assembled with a vehicle frame 5 through the front axle support 2 and is driven to lift or descend through the front axle push-pull oil cylinder 3, and the rear axle assembly 8 is assembled with the vehicle frame through the rear axle support 7 and is driven to lift or descend through the rear axle push-pull oil cylinder 6.
Specifically, as shown in fig. 1, the front axle bracket 2 is hinged to the frame 5 through a bracket pin, and two ends of the front axle push-pull oil cylinder 3 are hinged to the front axle bracket 2 and the frame 5 through oil cylinder pins respectively; the rear axle support 7 is hinged with the frame through a support pin shaft, and two ends of the rear axle push-pull oil cylinder 6 are respectively hinged with the rear axle support 7 and the frame 5 through an oil cylinder pin shaft. Preferably, in order to improve the reasonableness of the layout and assembly, the front end and the rear end of the frame are integrally provided with connecting seats; the front axle support is hinged with the corresponding connecting seat through a support pin shaft, and two ends of the front axle push-pull oil cylinder are respectively hinged with the front axle support and the corresponding connecting seat through an oil cylinder pin shaft; the rear axle support is hinged with the corresponding connecting seat through a support pin shaft, and two ends of the rear axle push-pull oil cylinder are hinged with the rear axle support and the corresponding connecting seat through an oil cylinder pin shaft respectively.
The wheel type traveling mechanism is a front-drive traveling mechanism or a rear-drive traveling mechanism driven by a wheel type hydraulic traveling motor 16; in this embodiment, the wheel type traveling mechanism adopts a design of front axle steering and rear axle driving, the wheel type traveling mechanism is a rear drive type traveling mechanism driven by a wheel type hydraulic traveling motor 16, as shown in fig. 2 and 3, and the wheel type hydraulic traveling motor 16 is in transmission connection with a transmission case 17 fixed on the rear axle assembly 8. The rear axle support 7 is provided with a protective cover 9 which can protect the wheel type hydraulic walking motor.
The wheel type travelling mechanism is a hydraulic braking type travelling mechanism, namely, wet braking and parking are realized by controlling the front axle and the rear axle through hydraulic pressure and a pedal valve.
As shown in fig. 4 and 5, the front axle assembly 1 is connected to the front axle bracket 2 via a suspension component 14; as shown in fig. 6 and 7, the rear axle assembly 8 is connected to the rear axle bracket by a connecting bolt 15.
As shown in fig. 9 and 10, the frame 5 integrates a belt opener main body 18 and a working arm assembly 19, and the end of the working arm assembly is equipped with a working device 20, and the working device is one or more of a hammer tooth belt opener head, a hydraulic shear, a breaking hammer, a hydraulic clamp, a hydraulic pushing tooth and a bucket. So as to realize shearing, impact crushing, grabbing and cutting of barren grass and shrubs, and simultaneously has the functions of the medium-sized excavator, thereby meeting the construction requirements of wider application fields.
In summary, the tape opener of this embodiment has following advantage:
1. possess crawler-type and wheeled walking mode simultaneously, through preceding, the lift of rear axle push-and-pull hydro-cylinder drive front, rear axle assembly can realize the switching of walking mode for the complete machine not only possesses crawler-type walking mode down, cross-country performance is good advantage, possesses the advantage that efficiency is high (need not to consign with the help of the wooden handcart) in wheeled transition moreover, also is favorable to improving the convenience, stationarity and the adaptability of transportation.
2. The whole machine adopts hydraulic drive and control, so that the control of the whole machine is simpler and more reliable.
3. The wheel type travelling mechanism is driven by hydraulic pressure, and the components such as a gearbox, a transmission shaft and the like do not need to be installed in a reserved space at the bottom of the frame, so that the gravity center of the whole machine is favorably reduced, and the stability and the adaptability are better.
As a further improvement to the above technical solution, as shown in fig. 4 and 8, an elastic buffer reset component is provided between both sides of the front axle bracket 2 and the corresponding sides of the front axle assembly 1, the elastic buffer reset component includes a reset tension spring 11, a limiting plate 13 and a cushion pad 12, both ends of the reset tension spring are respectively connected with the front axle bracket and an ear seat 10 on the front axle assembly, and the limiting plate and the cushion pad are respectively disposed at the bottom of the front axle bracket and at the top of the front axle assembly. As shown in FIG. 8, when the vehicle is switched to the crawler traveling mode, the front axle assembly in the suspension state can sway left and right due to jolt and unevenness of the road surface, and the spring buffering and resetting assembly can buffer and sway, so that the stability is further improved.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (10)

1. A wheel-track dual-purpose multifunctional belt opener is characterized in that: the crawler type walking mechanism comprises a frame (5), a crawler walking chassis (4) and a wheel type walking mechanism, wherein the wheel type walking mechanism comprises a front axle assembly (1), a front axle support (2), a front axle push-pull oil cylinder (3), a rear axle assembly (8), a rear axle support (7) and a rear axle push-pull oil cylinder (6), the front axle assembly is assembled with the frame through the front axle support and is driven to lift or descend through the front axle push-pull oil cylinder, and the rear axle assembly is assembled with the frame through the rear axle support and is driven to lift or descend through the rear axle push-pull oil cylinder.
2. The multifunctional wheel-track belt opener according to claim 1, characterized in that: the front axle support (2) is hinged with the frame (5) through a support pin shaft, and two ends of the front axle push-pull oil cylinder (3) are respectively hinged with the front axle support and the frame through an oil cylinder pin shaft; the rear axle support (7) is hinged with the frame (5) through a support pin shaft, and two ends of the rear axle push-pull oil cylinder (6) are hinged with the rear axle support and the frame through oil cylinder pin shafts respectively.
3. The multifunctional wheel-track belt opener according to claim 2, characterized in that: the wheel type travelling mechanism is a front-drive travelling mechanism or a rear-drive travelling mechanism driven by a wheel type hydraulic travelling motor (16).
4. The multifunctional wheel-track belt opener according to claim 3, characterized in that: the wheel type travelling mechanism is a rear-drive type travelling mechanism driven by a wheel type hydraulic travelling motor (16), and the wheel type hydraulic travelling motor is in transmission connection with a gearbox (17) fixed on a rear axle assembly.
5. The multifunctional wheel-track belt opener according to claim 4, characterized in that: and a protective cover (9) is arranged on the rear axle bracket.
6. The multifunctional wheel-track belt opener according to claim 5, characterized in that: the wheel type travelling mechanism is a hydraulic braking type travelling mechanism.
7. The multifunctional wheel-track belt opener according to any one of claims 1 to 6, characterized in that: the front axle assembly is connected with the front axle bracket through a suspension component (14); the rear axle assembly is connected with the rear axle bracket through a connecting bolt (15).
8. The multifunctional wheel-track belt opener according to claim 7, characterized in that: be provided with the elastic buffer subassembly that resets between the both sides of front axle support and the corresponding side of front axle assembly, the elastic buffer subassembly that resets includes extension spring (11), limiting plate (13) and cushion (12) that resets, the both ends of extension spring that resets are connected with ear seat (10) on front axle support and the front axle assembly respectively, limiting plate and cushion set up respectively in front axle support bottom and front axle assembly top.
9. The multifunctional wheel-track belt opener according to claim 8, characterized in that: the frame is integrated with a belt opener main body (18) and an operating arm assembly (19), and the end part of the operating arm assembly is provided with an operating device (20).
10. The multifunctional wheel-track belt opener according to claim 9, characterized in that: the working device (20) is one or more of a hammer tooth belt opening machine head, a hydraulic shear, a breaking hammer, a hydraulic clamp, a hydraulic push tooth and a bucket.
CN202110906641.3A 2021-08-09 2021-08-09 Wheel-track dual-purpose multifunctional belt opener Pending CN113460177A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110906641.3A CN113460177A (en) 2021-08-09 2021-08-09 Wheel-track dual-purpose multifunctional belt opener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110906641.3A CN113460177A (en) 2021-08-09 2021-08-09 Wheel-track dual-purpose multifunctional belt opener

Publications (1)

Publication Number Publication Date
CN113460177A true CN113460177A (en) 2021-10-01

Family

ID=77867668

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110906641.3A Pending CN113460177A (en) 2021-08-09 2021-08-09 Wheel-track dual-purpose multifunctional belt opener

Country Status (1)

Country Link
CN (1) CN113460177A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115362776A (en) * 2022-08-12 2022-11-22 衡阳市稼乐农机科技有限公司 Intelligent tractor with amphibious function
CN115648866A (en) * 2022-12-09 2023-01-31 中煤科工西安研究院(集团)有限公司 Track-rail dual-purpose tunnel core drilling machine and using method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115362776A (en) * 2022-08-12 2022-11-22 衡阳市稼乐农机科技有限公司 Intelligent tractor with amphibious function
CN115648866A (en) * 2022-12-09 2023-01-31 中煤科工西安研究院(集团)有限公司 Track-rail dual-purpose tunnel core drilling machine and using method thereof

Similar Documents

Publication Publication Date Title
CN113460177A (en) Wheel-track dual-purpose multifunctional belt opener
US6336683B1 (en) Fixed platform self-propelled trailer dump
CN102167097B (en) Articulated tractor
CN109911055A (en) Unmanned barrier-exceeding vehicle
CN101456356B (en) 4-wheel driven articulated tractor trucks
CN102616293B (en) Triangular crawler traveling device
CN201357752Y (en) 4 wheel driven bowing-type tractor transportation vehicle
CN215794119U (en) Wheel-track dual-purpose multifunctional belt opener
CN202106846U (en) Articulated tractor
CN101318447A (en) High-clearance door trestle type drive axle and vehicle
CN206766168U (en) A kind of crawler unit of convenient regulation crawler belt
CN103010019B (en) Bow-type tractor
US4278141A (en) Undercarriage for adverse terrain vehicle
CN214607776U (en) Wheel step bimodal mobile platform
CN208665358U (en) A kind of half-track frame-steered tractor
CN201099291Y (en) Rubber belt track type hand tractor
CN111776097A (en) Mining explosion-proof two sections caterpillar band transport vechicles of all-terrain
CN201660030U (en) Electric intelligent trailer wagon for both highway and railway
CN208665360U (en) A kind of 4 wheel driven crawler belt frame-steered tractor
CN2280032Y (en) Auxiliary arrangement for emergency braking
CN111824276B (en) Mining explosion-proof front wheel rear-track all-terrain vehicle
US4272221A (en) Undercarriage for adverse terrain vehicles
CN218806206U (en) Crawler-type balance car
CN2477451Y (en) Rubber wheel and crawler tractor
CN217835472U (en) Trackless rubber-tyred rescue trailer of mining explosion-proof diesel engine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination