CN115285239A - Crawler-type transport vehicle for ultra-narrow roadway of coal mine - Google Patents
Crawler-type transport vehicle for ultra-narrow roadway of coal mine Download PDFInfo
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- CN115285239A CN115285239A CN202210931850.8A CN202210931850A CN115285239A CN 115285239 A CN115285239 A CN 115285239A CN 202210931850 A CN202210931850 A CN 202210931850A CN 115285239 A CN115285239 A CN 115285239A
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- 239000003245 coal Substances 0.000 title claims abstract description 34
- 239000003921 oil Substances 0.000 claims description 36
- 238000007689 inspection Methods 0.000 claims description 24
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 210000004907 gland Anatomy 0.000 claims description 14
- 239000010720 hydraulic oil Substances 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 9
- 238000005065 mining Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
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- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/06—Endless track vehicles with tracks without ground wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/24—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the combustion engines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/18—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/02—Platforms; Open load compartments
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a crawler-type transport vehicle for a coal mine ultra-narrow roadway, and belongs to the technical field of coal mine underground auxiliary transport equipment. The transport vehicle comprises a frame, a walking part, a carrying platform, a power system, a hydraulic control system and an electric control system; the traveling part is connected to the lower portion of the rack, the carrying platform is connected to the upper portion of the rack, the power system, the hydraulic control system and the electric control system are connected to the inner portion of the rack, the power system is connected with the hydraulic control system and the electric control system, and the hydraulic control system and the electric control system are connected with the traveling part. The width of the carrier vehicle body is smaller than 1m, independent vehicle-mounted power, a crawler-type chassis, an open carrying platform, a remote control operation and manual operation compatible driving mode and a mechanical unlocking type walking motor are adopted, narrow roadways can be flexibly accessed, the road surface adaptability is high, the operation safety is high, and the problems of material conveying and pipeline operation in coal mine ultra-narrow roadways such as a mining working face, an advance support area, a belt conveyor transport roadway and the like can be effectively solved.
Description
Technical Field
The invention belongs to the technical field of auxiliary transportation equipment under a coal mine, and particularly relates to a crawler-type transport vehicle for a super-narrow roadway of a coal mine.
Background
The pedestrian side pipeline of the underground belt conveyor transport lane of the coal mine is installed, the recovery amount is large, the laying length of the pipeline generally reaches several tens of thousands of meters, the pedestrian side width of the belt conveyor transport lane is 1.0-1.2 m, the existing trackless transport vehicle cannot enter due to too large width, the pipeline transport can only be pushed and transported by manually adopting a self-made trolley at present, an air door is left in the general 1000m left and right of the belt conveyor transport lane, other linked lanes are closed, the transport distance is long in the process of installing and recovering the pipeline, the labor intensity of workers is large, the transport efficiency is low, and great potential safety hazards exist.
In addition, the advance support in the underground return air crossheading widely adopts a single-body pillar and walking type support process, wherein the single-body pillar support density is large, the average distance between the single-body pillars is only about 1m, and the existing trackless transport vehicle cannot enter the track due to the fact that the road surface is not hardened and is wet and smooth. At present, the single column is carried by adopting a traditional manual carrying mode of shoulder resistance and hand lifting, so that the time and the labor are wasted, and the safety is poor.
In order to solve the problems of pipeline transportation, material transportation, single column transportation and the like in ultra-narrow roadways such as a conveyor lane of an underground belt conveyor of a coal mine, an advanced support area and the like or in a limited space, a trackless transport vehicle with a vehicle body narrower than 1m, strong road surface adaptability and the capability of loading long tubular products and materials is urgently required to be developed.
Due to the fact that space in the ultra-narrow roadway of the coal mine is limited, the vehicle is controlled by remote control in order to improve the safety and convenience of vehicle control and take the space and layout of the narrow vehicle into consideration. However, the roadway is locally narrower or the side wall anchor rod protrudes out of the area, the vehicle cannot be finely adjusted in a short distance only by a remote control driving control mode, and the vehicle still needs manual operation to adjust the posture, so that the crawler carrier for the ultra-narrow roadway is compatible with manual and remote control modes.
Disclosure of Invention
The invention aims to solve the problems of pipeline transportation, material transportation, single column transportation and the like in ultra-narrow roadways such as a rubber belt conveyor transport roadway, an advance support area and the like in a coal mine or a limited space, and provides a crawler-type transport vehicle for the ultra-narrow roadway of the coal mine.
The invention is realized by the following technical scheme:
a crawler-type transport vehicle for a coal mine ultra-narrow roadway comprises a frame, a walking part, a carrying platform, a power system, a hydraulic control system and an electric control system; the traveling part is connected to the lower portion of the rack, the carrying platform is connected to the upper portion of the rack, the power system, the hydraulic control system and the electric control system are connected to the inner portion of the rack, the power system is connected with the hydraulic control system and the electric control system, and the hydraulic control system and the electric control system are connected with the traveling part.
Furthermore, the frame comprises a main frame and a covering part, wherein the main frame is a rectangular integral welding structure with the length larger than the width, namely the main frame is a rectangular welding structure with a larger length-width ratio, the periphery of the main frame is surrounded by an upright plate, and the bottom of the main frame is supported by a step-shaped plate; the covering piece is fixed outside the main frame and is composed of a plurality of net-shaped cover plates, and the net-shaped cover plates are favorable for ventilation and heat dissipation in the frame.
Furthermore, the walking part comprises a left crawler belt assembly, a right crawler belt assembly and a connecting frame, the left crawler belt assembly and the right crawler belt assembly are connected through the connecting frame, and a stepped plate bearing part at the bottom of the rack is seated on the connecting frame and is fixedly connected with the connecting frame; the left track assembly is internally provided with a left walking motor, the right track assembly is internally provided with a right walking motor, a moving shell of the left walking motor is connected with a chain wheel of the left track assembly, a static shell of the left walking motor is connected with a fixed plate of the left track assembly, a moving shell of the right walking motor is connected with a chain wheel of the right track assembly, and a static shell of the right walking motor is connected with a fixed plate of the right track assembly.
Further, the carrying platform comprises a bottom frame, a cover plate, a head rail, a tail rail, a side rail and an inspection port; the underframe is connected with the main frame; the cover plate is provided with a plurality of cover plates, the appearance size of each cover plate is consistent, and the cover plates are sequentially arranged and are installed on the underframe through bolt connection; the head fence, the tail fence and the side fences are fixed on the periphery of the underframe; the inspection port is arranged on the cover plate;
the bottom parts of the head and tail fence and the side fence are respectively provided with an upright post, the underframe is provided with a notch and a pin shaft, the upright posts of the head and tail fence and the side fence are vertically inserted into the notches on the underframe, and the pin shaft transversely penetrates through the notches and the upright posts to realize the connection of the head and tail fence and the side fence with the underframe; the head rail and the tail rail are provided with two parts which are completely consistent; the side fence is provided with a plurality of pieces, and the external dimensions of the pieces are consistent;
the inspection port comprises an orifice, an inspection plate, a hinge, a magnet and a magnet fixing plate, wherein the orifice is formed on the cover plate, the inspection plate is connected to the cover plate in a turnover mode through the hinge and covers the orifice, the magnet is fixed on the magnet fixing plate, the magnet fixing plate is fixed on the cover plate, and the plate edge of the inspection plate is supported on the magnet fixing plate and is attracted by the magnet; the inspection port is provided with a plurality of pieces, and each piece is consistent in appearance size and is respectively arranged on different cover plates; the access panel is attracted by the magnet in a normal state, and the magnetic force can be manually overcome when the access panel needs to be opened, so that the self-absorption mode avoids the complexity of other modes such as bolts and hasps, and meanwhile, the surface of the access panel is flat and has no protruding structure, thereby facilitating the loading;
the underframe is a rectangular frame with the length larger than the width, and has the same width and length with the main frame; the bottom frame is provided with a plurality of rectangular frame openings for installing the cover plate, the cross section of the frame edge of the bottom frame is in a T shape and consists of a transverse plate and a vertical plate, the transverse plate is arranged on the upper part of the vertical plate of the main frame, and the vertical plate is sleeved in the main frame; the transverse plate and the vertical plate surround the vertical plate of the main frame to form a circle, and the outer side of the vertical plate is attached to the inner side of the vertical plate of the main frame and connected with the vertical plate of the main frame through bolts; the underframe simultaneously plays a role in limiting and stabilizing a frame structure, the underframe consists of three parts along the length direction, and the adjacent parts are connected through bolts; and a plurality of shackles are arranged at the edge of the underframe and used for hoisting the underframe and binding long materials.
Further, the power system comprises an explosion-proof diesel engine, a hydraulic pump and a power box, and the rear part of the explosion-proof diesel engine is connected with the hydraulic pump and the power box; the explosion-proof diesel engine adopts an explosion-proof high-pressure common rail electronic injection type diesel engine, and the hydraulic pump adopts a variable pump.
Furthermore, a hydraulic control system is connected to the rear part of the hydraulic pump, and the hydraulic control system comprises an electromagnetic directional valve, a left walking motor, a right walking motor, a hydraulic oil tank, a walking main valve, a gear shifting control valve, a manual control valve, a left walking motor combination valve, a right walking motor combination valve and a remote control proportional valve; the hydraulic control system realizes the manual/remote control locking function and the walking function of the vehicle, wherein the walking function comprises forward, backward, left-turn, right-turn, high-speed and low-speed running.
Furthermore, the outer sides of the left walking motor and the right walking motor are both provided with a mechanical unlocking device, the mechanical unlocking device comprises a gland and a screw, a groove is arranged at the center of one surface of the gland, the gland is fixed at the tail part of the walking motor through the screw, the groove on the gland is arranged towards the inside of the walking motor or towards the outside of the walking motor, namely, the gland can be assembled in the positive and negative directions, when the groove faces the inside of the walking motor, sun wheels of the left walking motor and the right walking motor are in a meshing state with a planet wheel, torque output by the motors is transmitted to chain wheels of the left crawler assembly and the right crawler assembly through a movable shell, and the chain wheels cannot be dragged by external force at the moment; when the groove faces the outside of the walking motor, the sun wheel and the planet wheel of the left walking motor and the right walking motor are in a separated state, the output torque of the motors cannot be transmitted to the chain wheel through the movable shell, and the chain wheel can be dragged by external force at the moment.
Furthermore, the electric control system is connected to the rear part of the power supply box and comprises an oil injection control box, a remote control power supply switch, a remote control receiving control box and a remote control transmitter; the electric control system drives the electromagnetic directional valve, the walking main valve and the remote control proportional valve in the hydraulic control system and realizes oil injection control; the power supply box is divided into two paths after coming out, and one path of power supply supplies power to the oil injection control box to realize oil injection electric control; when the remote control power supply switch is closed, the remote control receiving control box is powered on, so that the electromagnetic directional valve is powered on, the operation mode is switched from manual operation to remote control operation, the walking main valve and the remote control proportional valve are powered on simultaneously, and corresponding action can be realized when the remote control transmitter sends an instruction.
Furthermore, the electromagnetic directional valve, the hydraulic oil tank, the walking main valve, the gear shifting control valve, the manual control valve, the left walking motor combination valve, the right walking motor combination valve, the remote control proportional valve, the oil injection control box, the remote control power supply switch and the remote control receiving control box are arranged on the rack, the manual control valve is positioned at one corner of the rack and positioned below one of the inspection ports, and the remote control transmitter is held by an operator in a hand mode.
Compared with the prior art, the invention has the following beneficial effects:
1) The crawler type transport vehicle for the ultra-narrow roadway of the coal mine has the advantages that the width of the vehicle body is less than 1m, independent vehicle-mounted power, a crawler type chassis and an open type carrying platform are adopted, the narrow roadway can be flexibly accessed, the road surface adaptability is high, and the crawler type transport vehicle is suitable for transporting anchor materials, electromechanical equipment and pipe materials; the vehicle can effectively solve the problems of material conveying and pipeline operation in coal mine ultra-narrow roadways such as a mining working face, a forepoling area, a belt conveyor lane and the like.
2) The crawler-type transport vehicle for the ultra-narrow roadway of the coal mine adopts a compatible mode of remote control operation and manual operation, a protruding area is arranged on the width sudden change or the side wall of the roadway, the operation mode can be switched to adjust the posture of the vehicle, the roadway passing performance is improved, the remote control operation and the manual operation are locked mutually and operate independently, and the crawler-type transport vehicle can be used as a spare for one party due to failure and improve the operation and driving safety of the vehicle.
3) The crawler-type transport vehicle for the ultra-narrow roadway of the coal mine adopts the mechanical unlocking type traveling motor, and can be quickly unlocked and dragged away when the vehicle is in a fault shutdown state, so that blockage is avoided, and the mining operation is prevented from being influenced.
Drawings
The accompanying drawings are included to provide a further description of the invention and are incorporated in and constitute a part of this application, with the exemplary embodiments and description of the invention being given to illustrate and not limit the invention.
FIG. 1 is a schematic overall structure diagram of a crawler-type transport vehicle for a coal mine ultra-narrow roadway according to the invention;
FIG. 2 is a schematic structural explosion diagram of a carrying platform in the crawler-type transport vehicle for the ultra-narrow roadway of the coal mine;
FIG. 3 is a schematic structural view of a detection port of the crawler-type transport vehicle for the ultra-narrow roadway of the coal mine;
FIG. 4 isbase:Sub>A cross-sectional view A-A of FIG. 2;
FIG. 5 is a partial schematic view of a traveling part and a traveling motor in the crawler-type transport vehicle for the ultra-narrow roadway of the coal mine according to the present invention;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;
FIG. 7 is a schematic diagram of a hydraulic control system in the crawler-type carrier vehicle for the ultra-narrow roadway of the coal mine;
FIG. 8 is a schematic diagram of an electrical control system in the tracked carrier for ultra-narrow roadways of coal mines.
In the figure: 1-a frame, 2-a walking part, 3-a carrying platform, 4-a power system, 5-a hydraulic control system, 6-an electric control system, 7-a solenoid directional valve, 8-a left walking motor, 9-a right walking motor, 10-a hydraulic oil tank, 11-a walking main valve, 12-a gear shifting control valve, 13-a manual control valve, 14-a left walking motor combination valve, 15-a right walking motor combination valve, 16-a remote control proportional valve, 17-an oil injection control box, 18-a remote control power supply switch, 19-a remote control receiving control box, 20-a remote control transmitter, 1-1 a main frame, 1-2 covering pieces, 1-3 bolts, 2-1 a left crawler assembly, 2-2 a right crawler assembly, 2-3 connecting frames, 3-1 bottom frame, 3-2 cover plate, 3-3 head-to-tail rails, 3-4 side rails, 3-5 inspection holes, 4-1 explosion-proof diesel engine, 4-2 hydraulic main pump, 4-3 power supply box, 8-1 movable shell, 8-2 static shell, 8-3 mechanical unlocking device, 8-4 sun gear, 8-5 planet gear, 13-1 forward pressure reducing valve, 13-2 backward pressure reducing valve, 13-3 right pressure reducing valve, 13-4 left pressure reducing valve, 13-5 first shuttle valve, 13-6 second shuttle valve, 13-7 third shuttle valve, 13-8 fourth shuttle valve, 14-1 first gear shifting valve, 15-1 second gear shifting valve, 16-1 fifth shuttle valve, 16-2 sixth shuttle valve and 16-3 seventh shuttle valve, 16-4 eighth shuttle valve, 16-5 left forward electric proportional pressure reducing valve, 16-6 right backward electric proportional pressure reducing valve, 16-7 right forward electric proportional pressure reducing valve, 16-8 left backward electric proportional pressure reducing valve, 1-1-1 upright plate, 2-1-1 chain wheel, 2-1-2 fixing plate, 3-1-1 notch, 3-1-2 pin shaft, 3-1-3 transverse plate, 3-1-4 vertical plate, 3-1-5 shackle, 3-3-1 upright post, 3-5-1 maintenance plate, 3-5-2 hinge, 3-5-3 magnet, 3-5-4 magnet fixing plate, 8-3-1 gland and 8-3-2 screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "up", "down", "front", "back", "left", "right", etc. are based on the directions or positional relationships shown in fig. 1, only for convenience of description of the present invention and simplification of description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. When a feature is referred to as being "disposed," "secured," or "connected" to another feature, it can be directly disposed, secured, or connected to the other feature or be indirectly disposed, secured, or connected to the other feature.
As shown in fig. 1, the crawler-type transport vehicle for the ultra-narrow roadway of the coal mine has a vehicle body width smaller than 1m, and comprises a frame 1, a walking part 2, a carrying platform 3, a power system 4, a hydraulic control system 5 and an electric control system 6; the lower part of the frame 1 is connected with a walking part 2, the upper part of the frame 1 is connected with a carrying platform 3, the inside of the frame 1 is connected with a power system 4, a hydraulic control system 5 and an electric control system 6, the power system 4 is connected with the hydraulic control system 5 and the electric control system 6, and the hydraulic control system 5 and the electric control system 6 are connected with the walking part 2.
As shown in fig. 1, a frame 1 includes a main frame 1-1 and a covering member 1-2, the main frame 1-1 is a rectangular integral welding structure with a length greater than a width, that is, the main frame 1-1 is a rectangular welding structure with a large length-width ratio, the main frame 1-1 is surrounded by upright plates, and the bottom of the main frame 1-1 is supported by a stepped plate; the covering part 1-2 is fixed outside the main frame, the covering part 1-2 is composed of a plurality of net-shaped cover plates, and the net-shaped cover plates are beneficial to ventilation and heat dissipation in the main frame.
As shown in fig. 1, the walking part 2 comprises a left crawler belt assembly 2-1, a right crawler belt assembly 2-2 and a connecting frame 2-3, the left crawler belt assembly 2-1 and the right crawler belt assembly 2-2 are connected through the connecting frame 2-3, and a stepped plate bearing part at the bottom of the machine frame 1 is seated on the connecting frame 2-3 and is fixedly connected; a left walking motor 8 is arranged in the left crawler belt assembly 2-1, a right walking motor 9 is arranged in the right crawler belt assembly 2-2, a movable shell 8-1 of the left walking motor 8 is connected with a chain wheel 2-1-1 of the left crawler belt assembly 2-1, a static shell 8-2 of the left walking motor 8 is connected with a fixed plate 2-1-2 of the left crawler belt assembly 2-1, a movable shell 8-1 of the right walking motor 9 is connected with a chain wheel 2-1-1 of the right crawler belt assembly 2-2, and a static shell 8-2 of the right walking motor 9 is connected with a fixed plate 2-1-2 of the right crawler belt assembly 2-2.
As shown in fig. 2, the carrying platform 3 comprises an underframe 3-1, a cover plate 3-2, a head rail 3-3, a tail rail 3-4 and a view port 3-5; the underframe 3-1 is connected with the main frame 1-1; the cover plate 3-2 is provided with a plurality of cover plates, the appearance size of each cover plate is consistent, and the cover plates 3-2 are sequentially arranged and are installed on the bottom frame 3-1 through bolt connection; the head and tail fences 3-3 and the side fences 3-4 are fixed around the chassis 3-1; the inspection port 3-5 is disposed on the cover plate 3-2. The bottoms of the head and tail rails 3-3 and the side rails 3-4 are respectively provided with an upright post 3-3-1, the bottom frame 3-1 is provided with a notch 3-1-1 and a pin shaft 3-1-2, the upright posts 3-3-1 of the head and tail rails 3-3 and the side rails 3-4 are vertically inserted into the notches 3-1-1 on the bottom frame 3-1, and the pin shafts 3-1-2 transversely penetrate through the notches 3-1-1 and the upright posts 3-3-1 to realize the connection of the head and tail rails 3-3 and the side rails 3-4 with the bottom frame 3-1; the head fence 3-3 and the tail fence 3-3 are completely consistent; the side rails 3-4 are provided with a plurality of pieces, each piece having a uniform outer dimension. As shown in fig. 3, the inspection port 3-5 comprises an orifice, an inspection plate 3-5-1, a hinge 3-5-2, a magnet 3-5-3 and a magnet fixing plate 3-5-4, the orifice is formed on the cover plate 3-2, the inspection plate 3-5-1 is connected to the cover plate 3-2 in a turnover manner through the hinge 3-5-2 and covers the orifice, the magnet 3-5-3 is fixed on the magnet fixing plate 3-5-4, the magnet fixing plate 3-5-4 is fixed on the cover plate 3-2, and the plate edge of the inspection plate 3-5-1 is supported on the magnet fixing plate 3-5-4 and is attracted by the magnet 3-5-3; the inspection ports 3-5 are provided with a plurality of pieces, the shape and the size of each piece are consistent, and the pieces are respectively arranged on different cover plates 3-2; the access panel 3-5-1 is attracted by the magnet 3-5-3 in a normal state, and the magnetic force can be overcome manually when the access panel needs to be opened, so that the self-attraction mode avoids the complexity of other modes such as bolts and hasps, and meanwhile, the access panel 3-5-1 is smooth in surface and free of protruding structures, and loading is facilitated. As shown in fig. 3 and 4, the underframe 3-1 is a rectangular frame with a length greater than the width, and is as wide and as long as the main frame 1-1; the bottom frame 3-1 is provided with a plurality of rectangular frame openings for installing cover plates, the cross section of the frame edge of the bottom frame 3-1 is T-shaped and consists of a transverse plate 3-1-3 and a vertical plate 3-1-4, the transverse plate 3-1-3 is lapped on the upper part of the vertical plate 1-1-1 of the main frame 1-1, and the vertical plate 3-1-4 is sleeved inside the main frame 1-1; the transverse plate 3-1-3 and the vertical plate 3-1-4 are surrounded into a circle along the vertical plate 1-1-1 of the main frame 1-1, the outer side of the vertical plate 3-1-4 is attached to the inner side of the vertical plate 1-1-1 of the main frame 1-1 and is connected with the vertical plate 1-1-1 of the main frame 1-1 through a bolt 1-3; the underframe 3-1 simultaneously plays a role in limiting and stabilizing a frame structure, the underframe 3-1 consists of three parts along the length direction, and adjacent parts are connected through bolts; a plurality of shackles 3-1-5 are arranged at the edge of the underframe 3-1, and the shackles 3-1-5 are used for lifting the underframe 3-1 and binding long materials.
As shown in figure 1, a power system 4 comprises an explosion-proof diesel engine 4-1, a hydraulic pump 4-2 and a power supply box 4-3, wherein the rear part of the explosion-proof diesel engine 4-1 is connected with the hydraulic pump 4-2 and the power supply box 4-3; the explosion-proof diesel engine 4-1 adopts an explosion-proof high-pressure common-rail electric spraying diesel engine, and the hydraulic pump 4-2 adopts a variable pump.
The hydraulic control system 5 is connected to the rear part of the hydraulic pump 4-2, and the hydraulic control system 5 comprises an electromagnetic directional valve 7, a left walking motor 8, a right walking motor 9, a hydraulic oil tank 10, a walking main valve 11, a gear shifting control valve 12, a manual control valve 13, a left walking motor combination valve 14, a right walking motor combination valve 15 and a remote control proportional valve 16.
As shown in fig. 5 and 6, the outer sides of the left traveling motor 8 and the right traveling motor 9 are both provided with a mechanical unlocking device 8-3, the mechanical unlocking device 8-3 includes a gland 8-3-1 and a screw 8-3-2, a groove is arranged at the center of one side of the gland 8-3-1, the gland 8-3-1 is fixed at the tail of the traveling motor through the screw 8-3-2, the groove thereon is arranged towards the inside of the traveling motor or towards the outside of the traveling motor, i.e. the gland 8-3-1 can be assembled in the forward and reverse directions, when the groove is arranged towards the inside of the traveling motor, the sun wheel 8-4 and the planet wheel 8-5 of the left traveling motor 8 and the right traveling motor 9 are in a meshed state, as shown by C in fig. 6, the torque output by the motor is transmitted to the sprocket 2-1-1 of the left track assembly 2-1 and the sprocket 2-2 of the right track assembly 2-1, and at this time, the sprocket 2-1-1 cannot be dragged by external force; when the grooves face the outside of the traveling motors, the sun gears 8-4 and the planet gears 8-5 of the left traveling motor 8 and the right traveling motor 9 are in a disengaged state, as shown by D in fig. 6, the output torque of the motors cannot be transmitted to the chain wheel 2-1-1 through the movable shell 8-1, and the chain wheel 2-1-1 can be dragged by external force.
The electric control system 6 is connected to the rear part of the power box 4-3, and the electric control system 6 comprises an oil injection control box 17, a remote control power supply switch 18, a remote control receiving control box 19 and a remote control transmitter 20; the electrical control system 6 drives the electromagnetic directional valve 7, the traveling main valve 11 and the remote control proportional valve 16 in the hydraulic control system 5, and realizes the oil injection control, and the specific electrical control principle of each function is shown in fig. 8, and the specific control process is as follows:
the power box 4-3 is divided into two paths, one path supplies power to the oil injection control box 17, and oil injection electric control is realized; the remote control receiving control box 19 is powered through the remote control power supply switch 18, when the remote control power supply switch 18 is closed, the remote control receiving control box 19 is powered, the electromagnetic directional valve 7 is powered, the operation mode is switched from manual operation to remote control operation, the walking main valve 11 and the remote control proportional valve 16 are powered simultaneously, and corresponding action can be realized when the remote control transmitter 20 sends an instruction.
The electromagnetic directional valve 7, the hydraulic oil tank 10, the walking main valve 11, the gear shifting control valve 12, the manual control valve 13, the left walking motor combination valve 14, the right walking motor combination valve 15, the remote control proportional valve 16, the oil injection control box 17, the remote control power supply switch 18 and the remote control receiving control box 19 are installed on the machine frame 1, the manual control valve 13 is located at one corner of the machine frame 1 and located below one of the inspection ports 3-5, and the remote control transmitter 20 is held by an operator in a hand mode.
The hydraulic control system 5 in the crawler-type transport vehicle for the ultra-narrow roadway of the coal mine realizes the manual/remote control locking function and the walking function of the vehicle, the walking function comprises forward, backward, left-turn, right-turn, high-speed and low-speed running, the specific hydraulic control principle of each function is shown in figure 7, and the specific control process is as follows:
manual/remote operated lockout function: when the manual operation is carried out, the electromagnetic switching valve 7 is in a left position, the valve P is communicated with the port A, and pressure oil from the hydraulic pump 4-2 respectively enters the gear-shifting control valve 12 and the manual control valve 13; when the vehicle needs remote control operation, the electromagnetic switching valve 7 is electrically switched to the right position, the valve P is communicated with the port B, and pressure oil from the hydraulic pump 4-2 enters the remote control proportional valve 16. The manual operation and the remote control operation are locked by the electromagnetic switching valve 7, and when the manual operation is performed, the remote control transmitter 20 does not malfunction even if it issues a command, and vice versa.
The manual operation advance implementation process comprises the following steps: in the manual operation state, the manual control valve group 13 is operated, the valve handle compresses the forward pressure reducing valve 13-1, so that the pressure reaches the first shuttle valve 13-5 and the third shuttle valve 13-7, the two shuttle valves reach K3 and K1 ports of the traveling main valve 11 through the fifth shuttle valve 16-1 and the seventh shuttle valve 16-3 under the action of the pressure oil, the traveling main valve 11 is pushed to act, the pressure oil from the hydraulic main pump 4-2 to the traveling main valve 11 reaches the valves B2 and B1, B2 is communicated with a P2 port of the left traveling motor combination valve 14, B1 is communicated with a P2 port of the right traveling motor combination valve 15, and simultaneously enters a1 ports of the left traveling motor 8 and the right traveling motor 9, and the left traveling motor 8 and the traveling motor 9 are pushed to rotate forward, so that the vehicle is driven to advance.
The manual operation backing implementation process comprises the following steps: in the manual operation state, the manual control valve group 13 is operated, the valve handle compresses the backward pressure reducing valve 13-2, so that the pressure reaches the second shuttle valve 13-6 and the fourth shuttle valve 13-8, the two shuttle valves reach K2 and K4 ports of the traveling main valve 11 through the sixth shuttle valve 16-2 and the eighth shuttle valve 16-4 under the action of the pressure oil, the traveling main valve 11 is pushed to act, the pressure oil from the hydraulic main pump 4-2 to the traveling main valve 11 reaches the valves A1 and A2, A1 is communicated with a P1 port of the right traveling motor combination valve 15, A2 is communicated with a P1 port of the left traveling motor combination valve 14, and simultaneously enters A2 ports of the left traveling motor 8 and the right traveling motor 9, and the left traveling motor 8 and the right traveling motor 9 are pushed to rotate reversely, so that the vehicle is driven to move backward.
The manual operation right turn implementation process comprises the following steps: in the manual operation state, the manual control valve group 13 is operated, the valve handle compresses the right-turn pressure reducing valve 13-3, so that the pressure reaches the first shuttle valve 13-5 and the second shuttle valve 13-6, the two shuttle valves reach K3 and K2 ports of the traveling main valve 11 through the fifth shuttle valve 16-1 and the sixth shuttle valve 16-2 under the action of the pressure oil, the traveling main valve 11 is pushed to act, the pressure oil from the hydraulic main pump 4-2 to the traveling main valve 11 reaches the valves B2 and A1, B2 is communicated with a P2 port of the left traveling motor combination valve 14, A1 is communicated with a P1 port of the right traveling motor combination valve 15, and simultaneously enters an A1 port of the left traveling motor 8 and an a2 port of the right traveling motor 9, the left traveling motor 8 rotates in the forward direction, and the right traveling motor 9 rotates in the reverse direction, so that the vehicle turns right.
The manual left-turn control implementation process comprises the following steps: in the manual operation state, the manual control valve group 13 is operated, the valve handle compresses the left-turn pressure reducing valve 13-4, so that the pressure reaches the third shuttle valve 13-7 and the fourth shuttle valve 13-8, the two shuttle valves reach K1 and K4 ports of the traveling main valve 11 through the seventh shuttle valve 16-3 and the eighth shuttle valve 16-4 under the action of the pressure oil, the traveling main valve 11 is pushed to act, the pressure oil from the hydraulic main pump 4-2 to the traveling main valve 11 reaches the valves B1 and A2, A2 is communicated with a P1 port of the left traveling motor combination valve 14, B1 is communicated with a P2 port of the right traveling motor combination valve 15, and simultaneously enters an A2 port of the left traveling motor 8 and an a1 port of the right traveling motor 9, the left traveling motor 8 rotates in the reverse direction, and the right traveling motor 9 rotates in the forward direction, thereby driving the vehicle to turn left.
The remote control operation forward implementation process comprises the following steps: the remote control receiving control box 19 supplies power to the left forward electric proportional pressure reducing valve 16-5 and the right forward electric proportional pressure reducing valve 16-7 at the same time, pressure oil reaches K3 and K1 ports of the traveling main valve 11 through the two proportional pressure reducing valves, the fifth shuttle valve 16-1 and the seventh shuttle valve 16-3 to push the traveling main valve 11 to act, pressure oil from the hydraulic main pump 4-2 to the traveling main valve 11 reaches the valves B2 and B1, the B2 is communicated with the P2 port of the left traveling motor combination valve 14, the B1 is communicated with the P2 port of the right traveling motor combination valve 15, and simultaneously enters the a1 ports of the left traveling motor 8 and the right traveling motor 9 to push the left traveling motor 8 and the right traveling motor 9 to rotate in the forward direction, so that the vehicle is driven to advance.
The remote control backward implementation process comprises the following steps: the remote control receiving control box 19 supplies power to the right rear electric proportional pressure reducing valve 16-6 and the left rear electric proportional pressure reducing valve 16-8 at the same time, pressure oil reaches K2 and K4 ports of the traveling main valve 11 through the two proportional pressure reducing valves, the sixth shuttle valve 16-2 and the eighth shuttle valve 16-4 to push the traveling main valve 11 to act, the pressure oil from the hydraulic main pump 4-2 to the traveling main valve 11 reaches the valves A1 and A2, the A1 is communicated with the P1 port of the right traveling motor combination valve 15, the A2 is communicated with the P1 port of the left traveling motor combination valve 14 and simultaneously enters the A2 ports of the left traveling motor 8 and the right traveling motor 9 to push the left traveling motor 8 and the right traveling motor 9 to rotate reversely, and accordingly the vehicle is driven to retreat.
The remote control right turn implementation process comprises the following steps: the remote control receiving control box 19 respectively supplies power to the left forward electric proportional pressure reducing valve 16-5 and the right backward electric proportional pressure reducing valve 16-6, pressure oil reaches K3 and K2 ports of the walking main valve 11 through the two proportional pressure reducing valves, the fifth shuttle valve 16-1 and the sixth shuttle valve 16-2 to push the walking main valve 11 to act, the pressure oil from the hydraulic main pump 4-2 to the walking main valve 11 reaches the valves B2 and A1, the B2 is communicated with the P2 port of the left walking motor combination valve 14, the A1 is communicated with the P1 port of the right walking motor combination valve 15 and simultaneously enters the A1 port of the left walking motor 8 and the a2 port of the right walking motor 9, the left walking motor 8 rotates in the forward direction, and the right walking motor 9 rotates in the reverse direction, so that the vehicle is driven to rotate in the right direction.
The remote control left turn implementation process comprises the following steps: the remote control receiving control box 19 respectively supplies power to the right front electric proportional pressure reducing valve 16-7 and the left back electric proportional pressure reducing valve 16-8, pressure oil reaches K1 and K4 ports of the walking main valve 11 through the two proportional pressure reducing valves, the seventh shuttle valve 16-3 and the eighth shuttle valve 16-4 to push the walking main valve 11 to act, the pressure oil from the hydraulic main pump 4-2 to the walking main valve 11 reaches the valves B1 and A2, the A2 is communicated with the P1 port of the left walking motor combination valve 14, the B1 is communicated with the P2 port of the right walking motor combination valve 15, and simultaneously enters the A2 port of the left walking motor 8 and the a1 port of the right walking motor 9, the left walking motor 8 rotates in the reverse direction, and the right walking motor 9 rotates in the forward direction, so that the vehicle is driven to rotate left.
The low-speed and high-speed implementation process comprises the following steps: in the manual operation state, the pressure oil from the hydraulic pump 4-2 is introduced into the shift control valve 12 and the manual control valve 13, respectively. The vehicle is driven at a low speed in a default state, namely the gear shifting control valve 12 is in a right position by default, a port Ps of the left traveling motor combination valve 14 is communicated with a hydraulic oil tank, no pressure exists, the first gear shifting valve 14-1 is in a left position, and a port GS of the motor variable cylinder is communicated with the hydraulic oil tank; when the gear shifting control valve 12 is operated to the left position, pressure oil reaches a Ps port of the left traveling motor combination valve 14 through the valve, the first gear shifting valve 14-1 is reversed to the right position under the action of the pressure oil, the pressure oil of a P1 or P2 port of the left traveling motor combination valve 14 reaches a GS port of a motor variable cylinder, the motor variable cylinder is pushed to move, the motor is changed into small displacement, and the high-speed traveling of the vehicle is realized. The right traveling motor combination valve 15 is identical in principle to the left traveling motor combination valve 14, and the second shift valve 15-1 is identical in operation principle to the first shift valve 14-1, and will not be described again. In the remote control operation state, the pressure oil cannot enter the shift control valve 12, and thus the high and low speeds of the vehicle cannot be switched by remote control. When the vehicle is controlled by remote control, the vehicle is only ensured to run at low speed, thereby ensuring the safe running of the vehicle and realizing different running control of manual high and low speed and remote control low speed.
The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents within the spirit and principle of the invention should be included in the scope of the invention.
Claims (10)
1. The utility model provides a colliery is crawler-type transport vechicle for super narrow tunnel which characterized in that: comprises a frame, a walking part, a carrying platform, a power system, a hydraulic control system and an electric control system; the traveling part is connected to the lower portion of the rack, the carrying platform is connected to the upper portion of the rack, the power system, the hydraulic control system and the electric control system are connected to the inner portion of the rack, the power system is connected with the hydraulic control system and the electric control system, and the hydraulic control system and the electric control system are connected with the traveling part.
2. The crawler-type transport vehicle for the ultra-narrow roadway of the coal mine according to claim 1, characterized in that: the frame comprises a main frame and a covering piece, wherein the main frame is a rectangular integral welding structure with the length larger than the width, the periphery of the main frame is surrounded by an upright plate, and the bottom of the main frame is supported by a step-shaped plate; the covering piece is fixed outside the main frame and consists of a plurality of reticular cover plates.
3. The crawler-type transport vehicle for the ultra-narrow roadway of the coal mine according to claim 2, characterized in that: the walking part comprises a left crawler belt assembly, a right crawler belt assembly and a connecting frame, the left crawler belt assembly and the right crawler belt assembly are connected through the connecting frame, and a stepped plate bearing part at the bottom of the rack is seated on the connecting frame and is fixedly connected with the connecting frame; the left walking motor is arranged inside the left crawler assembly, the right walking motor is arranged inside the right crawler assembly, the moving shell of the left walking motor is connected with the chain wheel of the left crawler assembly, the static shell of the left walking motor is connected with the fixing plate of the left crawler assembly, the moving shell of the right walking motor is connected with the chain wheel of the right crawler assembly, and the static shell of the right walking motor is connected with the fixing plate of the right crawler assembly.
4. The crawler-type transport vehicle for the ultra-narrow roadway of the coal mine according to claim 3, characterized in that: the carrying platform comprises a bottom frame, a cover plate, a head rail, a tail rail, a side rail and an inspection port; the underframe is connected with the main frame; the cover plate is provided with a plurality of cover plates, the appearance size of each cover plate is consistent, and the cover plates are sequentially arranged and are installed on the underframe through bolt connection; the head rail, the tail rail and the side rails are fixed on the periphery of the underframe; the inspection port is arranged on the cover plate.
5. The crawler-type transport vehicle for the ultra-narrow roadway of the coal mine according to claim 4, characterized in that: the bottoms of the head-tail fence and the side fence are respectively provided with an upright post, the underframe is provided with a notch and a pin shaft, the upright posts of the head-tail fence and the side fence are vertically inserted into the notches on the underframe, and the pin shaft transversely penetrates through the notches and the upright posts to realize the connection of the head-tail fence and the side fence with the underframe; the head fence and the tail fence are provided with two parts which are completely consistent; the side rail is provided with a plurality of pieces, and the external dimensions of the pieces are consistent;
the inspection port comprises an orifice, an inspection plate, a hinge, a magnet and a magnet fixing plate, the inspection plate is connected to the cover plate in a turnover mode through the hinge and covers the orifice, the magnet is fixed to the magnet fixing plate, the magnet fixing plate is fixed to the cover plate, and the plate edge of the inspection plate is supported on the magnet fixing plate and is attracted by the magnet; the inspection port is provided with a plurality of pieces, and each piece is consistent in appearance size and is respectively arranged on different cover plates;
the underframe is a rectangular frame with the length larger than the width, and has the same width and length as the main stander; the cross section of the frame edge of the bottom frame is T-shaped and consists of a transverse plate and a vertical plate, the transverse plate is lapped on the upper part of the vertical plate of the main frame, the vertical plate is sleeved in the main frame and surrounds a circle along the vertical plate of the main frame, and the outer side of the vertical plate is attached to the inner side of the vertical plate of the main frame and is connected with the vertical plate of the main frame through a bolt; a plurality of shackles are arranged at the edge of the bottom frame.
6. The crawler-type transport vehicle for the ultra-narrow roadway of the coal mine, according to claim 5, is characterized in that: the power system comprises an explosion-proof diesel engine, a hydraulic pump and a power box, wherein the rear part of the explosion-proof diesel engine is connected with the hydraulic pump and the power box; the explosion-proof diesel engine adopts an explosion-proof high-pressure common rail electronic injection type diesel engine, and the hydraulic pump adopts a variable pump.
7. The crawler-type transport vehicle for the ultra-narrow roadway of the coal mine, according to claim 6, is characterized in that: the hydraulic control system is connected to the rear part of the hydraulic pump and comprises an electromagnetic directional valve, a left walking motor, a right walking motor, a hydraulic oil tank, a walking main valve, a gear shifting control valve, a manual control valve, a left walking motor combination valve, a right walking motor combination valve and a remote control proportional valve.
8. The crawler-type transport vehicle for the ultra-narrow roadway of the coal mine according to claim 7, characterized in that: the mechanical unlocking device comprises a gland and a screw, a groove is formed in the center of one of the faces of the gland, the gland is fixed to the tail of the walking motor through the screw, and the groove in the gland is arranged towards the inside of the walking motor or towards the outside of the walking motor.
9. The crawler-type transport vehicle for the ultra-narrow roadway of the coal mine according to claim 8, characterized in that: the electric control system is connected to the rear part of the power supply box and comprises an oil injection control box, a remote control power supply switch, a remote control receiving control box and a remote control transmitter.
10. The tracked carrier vehicle for the ultra-narrow roadway of the coal mine, according to claim 9, is characterized in that: the electromagnetic directional valve, the hydraulic oil tank, the walking main valve, the gear shifting control valve, the manual control valve, the left walking motor combination valve, the right walking motor combination valve, the remote control proportional valve, the oil injection control box, the remote control power supply switch and the remote control receiving control box are arranged on the rack, the manual control valve is positioned at one corner of the rack and positioned below one of the inspection ports, and the remote control transmitter is held by an operator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210931850.8A CN115285239A (en) | 2022-08-04 | 2022-08-04 | Crawler-type transport vehicle for ultra-narrow roadway of coal mine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210931850.8A CN115285239A (en) | 2022-08-04 | 2022-08-04 | Crawler-type transport vehicle for ultra-narrow roadway of coal mine |
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| CN115285239A true CN115285239A (en) | 2022-11-04 |
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| CN202210931850.8A Pending CN115285239A (en) | 2022-08-04 | 2022-08-04 | Crawler-type transport vehicle for ultra-narrow roadway of coal mine |
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| CN113147933A (en) * | 2021-04-14 | 2021-07-23 | 中鸣信（廊坊）科技有限公司 | Crawler-type forest fire prevention transportation chassis |
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| CN113859379A (en) * | 2021-10-25 | 2021-12-31 | 广西岩土钻凿工程科技有限公司 | Crawler-type running gear |
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2022
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