CN113247795A - Pneumatic crawler type multifunctional transport vehicle and method - Google Patents
Pneumatic crawler type multifunctional transport vehicle and method Download PDFInfo
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- CN113247795A CN113247795A CN202110657358.1A CN202110657358A CN113247795A CN 113247795 A CN113247795 A CN 113247795A CN 202110657358 A CN202110657358 A CN 202110657358A CN 113247795 A CN113247795 A CN 113247795A
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000003921 oil Substances 0.000 claims abstract description 318
- 239000000725 suspension Substances 0.000 claims abstract description 67
- 239000012208 gear oil Substances 0.000 claims abstract description 37
- 230000001174 ascending effect Effects 0.000 claims abstract description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 19
- 239000010720 hydraulic oil Substances 0.000 claims description 13
- 230000032258 transport Effects 0.000 description 26
- 239000000463 material Substances 0.000 description 8
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
- B66C23/86—Slewing gear hydraulically actuated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a pneumatic crawler type multifunctional transport vehicle and a method, wherein the transport vehicle comprises a carriage assembly, a suspension arm assembly, a walking crawler assembly, a carriage revolving assembly, an inclined oil cylinder, a vehicle chassis, a suspension arm supporting revolving device and a vehicle ascending frame; a pneumatic motor and a gear oil pump are fixed on a vehicle chassis, an output shaft of the pneumatic motor is connected with an input shaft of the gear oil pump, and an oil outlet side of the gear oil pump is respectively connected to a walking crawler assembly, a suspension arm assembly and a carriage rotation assembly through a reversing valve group; an operating platform is installed on the vehicle chassis and comprises a supporting frame and a reversing valve operating rod, and the reversing valve operating rod is connected to a reversing valve group. The pneumatic crawler-type multifunctional transport vehicle disclosed by the invention adopts compressed air as a power source, is environment-friendly, energy-saving and explosion-proof and reliable, and the air pressure pipelines at the sides of the underground driving tunnel and the transport tunnel extend along with the driving development project, so that the compressed air is convenient to take.
Description
Technical Field
The invention belongs to the field of auxiliary transport vehicles for mines, and particularly relates to a pneumatic crawler type multifunctional transport vehicle and a method.
Background
The existing modern mine coal mine auxiliary transport vehicle adopts an explosion-proof diesel rubber-tired vehicle, has the problems of high oil consumption, environmental pollution caused by diesel combustion and exhaust, and even carbon monoxide overproof safety, and has larger volume, when equipment such as a belt conveyor and the like runs in a roadway, the explosion-proof diesel vehicle transports materials required by a tunneling working face and a recovery working face to an underground working roadway, and cannot directly transport the materials to the working face, and usually at least more than 200 meters of distance is remained to manually carry support materials such as anchor rods, anchoring agents, pipelines, trays, anchor cables and the like required by the working face to working positions, and tools and the like, so that the working efficiency is low, the labor intensity is high, personnel injury is easy to generate, and the material transportation is one of key influence factors of the support speed and the tunneling footage.
When a heading machine, a scraper conveyor and a rubber belt conveyor on a heading face have faults, main equipment accessories are disassembled and then need to be transported to lift a shaft for maintenance, or when the heading face is replaced, the scraper conveyor and the rubber belt conveyor need to be disassembled and transported to a new heading face, at present, a manual chain block pulling mode is mainly adopted to pull out two hundred meters of the heading face, then an explosion-proof loader is used for loading, the labor intensity is high, the working efficiency is very low, and the safety problem of personnel is involved.
When guniting and supporting or bottom lifting transportation of guniting material or coal gangue are carried out on an underground roadway, because the roadway is narrow, manual trolley transportation and manual loading and unloading are often adopted, the working efficiency is low, the labor intensity is high, and the requirements of modern mine standards are not met.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the problems of high labor intensity, low working efficiency and influence on personnel safety in the existing working surface material equipment transportation and the like, and provides the pneumatic crawler type multifunctional transport vehicle and the method with simple structure and high reliability.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a pneumatic crawler type multifunctional transport vehicle comprises a carriage assembly, a suspension arm assembly, a walking crawler assembly, a carriage revolving assembly, an inclined oil cylinder, a vehicle chassis, a suspension arm supporting revolving device and a vehicle ascending frame;
the vehicle chassis is fixed on the walking crawler assembly, the carriage rotating assembly is arranged on the vehicle chassis, and the vehicle upper frame is fixed on the carriage rotating assembly; one end of the carriage assembly is connected with the vehicle ascending frame through two pin shafts, and the other end of the carriage assembly is fixedly connected with the vehicle ascending frame through two inclined oil cylinders;
the suspension arm supporting and rotating device is fixed at one end of the vehicle chassis, and the suspension arm assembly is arranged on the suspension arm supporting and rotating device;
a pneumatic motor and a gear oil pump are fixed on a vehicle chassis, an output shaft of the pneumatic motor is connected with an input shaft of the gear oil pump, and an oil outlet side of the gear oil pump is respectively connected to a walking crawler assembly, a suspension arm assembly and a carriage rotation assembly through a reversing valve group;
an operating platform is installed on the vehicle chassis and comprises a supporting frame and a reversing valve operating rod, and the reversing valve operating rod is connected to a reversing valve group.
Further, a hydraulic oil tank assembly is mounted on the vehicle chassis, and the hydraulic oil tank assembly comprises an oil suction filter, an oil return filter and an oil tank body; the oil suction filter is arranged on the oil inlet side of the gear oil pump, and the oil return filter is arranged at the oil return port of the oil tank body.
Furthermore, the suspension arm assembly comprises a suspension arm supporting oil cylinder, a lifting telescopic oil cylinder, a pneumatic hoist and a suspension arm lifting oil cylinder; the suspension arm supporting oil cylinder is fixed on the suspension arm supporting and rotating device, and the lifting telescopic oil cylinder and the lifting oil cylinder are fixedly connected to the suspension arm supporting oil cylinder; the pneumatic hoist is hung at the front end of the lifting telescopic oil cylinder.
Furthermore, the walking crawler assembly comprises a walking frame and a crawler, wherein the vehicle chassis is fixed on the walking frame, the walking frame is provided with a driving wheel, a walking motor and a speed reducer, and the walking motor is connected with the driving wheel after being reduced by the speed reducer; the bottom of the walking frame is provided with a supporting wheel, the two ends of the walking frame are provided with a left guide wheel, a right guide wheel and a left tensioning device, and the upper part of the walking frame is provided with a supporting chain wheel; the track is mounted on the drive wheel.
Further, the carriage rotation assembly comprises a carriage rotation motor, a carriage rotation speed reducer and a carriage rotation support; the vehicle ascending frame is arranged on a vehicle chassis through a carriage slewing bearing, and a carriage slewing motor is connected with the carriage slewing bearing through a carriage slewing reducer; the suspension arm supporting and rotating device comprises a suspension arm rotating motor, a suspension arm rotating speed reducer and a suspension arm rotating support; the suspension arm supporting oil cylinder is installed on a vehicle chassis through a suspension arm slewing bearing, and a suspension arm slewing motor is connected with the suspension arm slewing bearing through a suspension arm slewing reducer.
Further, a supporting oil cylinder is arranged at the bottom of the vehicle chassis.
Furthermore, the walking motor comprises a left walking motor and a right walking motor; the gear oil pump is connected with a left walking reversing valve group inlet, a right walking reversing valve group inlet, a carriage rotary reversing valve group inlet and a suspension arm rotary reversing valve group inlet in parallel through an oil pump check valve; the suspension arm rotary reversing valve group is connected with a suspension arm rotary motor, and the carriage rotary reversing valve group is connected with a carriage rotary motor; the left walking reversing valve group and the right walking reversing valve group are respectively connected with a left walking motor and a right walking motor;
the outlets of the carriage rotary reversing valve group and the suspension arm rotary reversing valve group are converged and sequentially connected with a middle way oil return channel, an oil return filter and an oil tank body; the outlets of the left walking reversing valve group and the right walking reversing valve group are connected with an oil cylinder multi-way reversing valve group, an oil return channel, an oil return filter and an oil tank body in a converging manner.
Furthermore, the oil cylinder multi-way reversing valve group comprises an inclined oil cylinder reversing valve, a lifting and descending reversing valve, a supporting oil cylinder reversing valve, a suspension arm supporting oil cylinder reversing valve and a lifting telescopic oil cylinder reversing valve;
the reversing valve of the inclined oil cylinder is connected with the inclined oil cylinder; the lifting reversing valve is connected with the lifting oil cylinder of the suspension arm; the reversing valve of the supporting oil cylinder is connected with the supporting oil cylinder; the boom support oil cylinder reversing valve is connected with the boom support oil cylinder; the reversing valve of the lifting telescopic oil cylinder is connected with the lifting telescopic oil cylinder;
the outlets of the left walking reversing valve group and the right walking reversing valve group are converged and sequentially connected with an E3 oil port and a J3 oil port of a lifting telescopic oil cylinder reversing valve, E4 oil ports and J4 oil ports of a boom supporting oil cylinder reversing valve, E5 oil ports and J5 oil ports of four supporting oil cylinder reversing valves, E6 oil ports and J6 oil ports of a lifting reversing valve, E7 oil ports and J7 oil ports of an inclined oil cylinder reversing valve, an oil return channel, an oil return filter and an oil tank body.
Furthermore, the output shaft of the pneumatic motor is connected with the input shaft of the gear oil pump by adopting a flat key or a spline, a cast iron shield is used as a rotary protection device at the joint, and a silencer is arranged at an exhaust port of the pneumatic motor.
The embodiment of the invention provides another technical scheme that:
the working method of the pneumatic crawler-type multifunctional transport vehicle comprises the following steps:
when the multifunctional pneumatic transport vehicle works, an inlet valve of a pneumatic motor is opened to drive a gear oil pump to operate, all reversing valves are positioned in the middle position at the moment, oil supplied by the gear oil pump passes through the gear oil pump and an oil pump check valve in sequence and then enters a second oil inlet E2 of a left walking reversing valve group, a second oil inlet E1 of a right walking reversing valve group, a carriage rotary reversing valve group and a suspension arm rotary reversing valve group in parallel; one path of the oil enters a middle path oil return channel after passing through the carriage rotary reversing valve group and the suspension arm rotary reversing valve group, and then returns to the oil tank body through an oil return filter; the other path of the oil flow enters an oil inlet path P3 of the oil cylinder multi-path reversing valve group through an oil outlet J2 of the left traveling reversing valve group and an oil outlet J1 of the right traveling reversing valve group, sequentially passes through oil ports E3 and J3 of a lifting telescopic oil cylinder reversing valve, oil ports E4 and J4 of a suspension arm supporting oil cylinder reversing valve, oil ports E5 and J5 of four supporting oil cylinder reversing valves, oil ports E6 and J6 of a lifting reversing valve, oil ports E7 and J7 of an inclined oil cylinder reversing valve, enters an oil return channel, and returns to a hydraulic oil tank through an oil return filter;
when the walking crawler assembly and the carriage rotation assembly do not work, and the suspension arm supporting rotation device and the suspension arm assembly are operated in a combined mode, the suspension arm rotation reversing valve group reverses to an upper position or a lower position, oil supplied by the gear oil pump sequentially enters a middle-path oil return channel through an oil pump one-way valve, an oil inlet of the suspension arm rotation reversing valve group, a suspension arm rotation motor and an oil outlet of the suspension arm rotation reversing valve group, and then returns to a hydraulic oil tank through an oil return filter; the lifting reversing valve is reversed to the right, oil supplied by the gear oil pump enters a second oil inlet E2 of the left walking reversing valve group and a second oil inlet E1 of the right walking reversing valve group in parallel through the oil pump check valve, is converged into an oil inlet P3 of the oil cylinder multi-way reversing valve group through an oil outlet J2 of the left walking reversing valve group and an oil outlet J1 of the right walking reversing valve group, passes through an oil inlet D6 of the lifting reversing valve and a first oil outlet K6 of the lifting reversing valve, passes through a one-way throttle valve of the lifting oil cylinder and an explosion-proof valve of the lifting oil cylinder, enters the lifting oil cylinder, and is lifted;
when the lifting oil cylinder descends, the lifting reversing valve is reversed to the left position, and the oil enters the oil tank body through an oil inlet D6, an oil outlet J6 and a middle-path oil return passage of the lifting reversing valve and then returns to the oil tank body through an oil return filter;
the return oil of the lifting oil cylinder enters an oil return channel through a first oil outlet K6 and a second oil outlet F6 of the lifting reversing valve and returns to the oil tank body through an oil return filter.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. the pneumatic crawler-type multifunctional transport vehicle disclosed by the invention adopts compressed air as a power source, is environment-friendly, energy-saving and explosion-proof and reliable, and the air pressure pipelines at the sides of the underground driving tunnel and the transport tunnel extend along with the driving development project, so that the compressed air is convenient to take.
2. The pneumatic crawler-type multifunctional transport vehicle adopts the crawler-type travelling mechanism, is hydraulically driven, has strong climbing capability and reliable braking, and is suitable for underground excavation of tunnel severe road surfaces.
3. The pneumatic crawler-type multifunctional transport vehicle disclosed by the invention adopts the carriage rotating assembly and the lifting oil cylinder, not only has the transport function of materials and equipment, but also has the multi-directional self-unloading function of the materials and the equipment, is suitable for being used in a narrow underground environment, greatly improves the working efficiency of underground personnel, reduces the labor intensity and ensures the personal safety.
4. According to the pneumatic crawler-type multifunctional transport vehicle, the support columns can extend out to reach the top of a roadway, so that the stability of the vehicle is improved, the hoisting capacity is greatly improved, and flexible hoisting of multi-directional equipment can be realized by adopting the support column rotating device;
5. the pneumatic hydraulic system of the multifunctional transport vehicle does not have the devices such as a starting contactor, an explosion-proof motor, an explosion-proof diesel engine, a storage battery and the like of the conventional transport vehicle, and adopts the pneumatic motor and the gear oil pump as power, so that the pneumatic hydraulic system of the multifunctional transport vehicle has the advantages of high reliability and safety and small maintenance amount.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of an air-actuated tracked multi-function transport vehicle of the present invention;
FIG. 2 is a schematic view of the vehicle chassis of the air-tracked multi-function vehicle of the present invention;
FIG. 3 is a schematic diagram of the hydraulic system of the pneumatic track type multi-functional transport vehicle of the present invention;
FIG. 4 is a schematic diagram of a multi-way reversing valve set of an oil cylinder of the pneumatic crawler-type multifunctional transport vehicle;
FIG. 5 is a schematic view of the track travel operating valve of the pneumatic track type multi-functional transport vehicle of the present invention;
in the attached drawings, 1 carriage assembly; 2, a pin shaft; 3, a hydraulic oil tank assembly; 4 driver's seat; 5, an operation table; 6, a suspension arm assembly; 7, a walking crawler assembly; 8, a carriage rotation assembly; 9, inclining the oil cylinder; 10 a vehicle chassis; 11 supporting the oil cylinder; 12 boom support slewing gear; 13 vehicle ascending frame; 21 a gear oil pump; 22 a pneumatic motor; 23 a rotation guard; 31 a travel motor; 32 car turning motors; 33 oil cylinder multi-way reversing valve group; 34 left travel reversing valve group; 35 right travel reversing valve group; 36 boom swing motors; 37 boom rotation reversing valve group; 38 oil return passages; 39 middle way oil return way; 40 middle oil passage; 41 oil passages are connected in parallel; 42 tilt cylinder directional control valves; 43 hoisting and lifting reversing valve; 44 supporting the cylinder directional control valve; 45, supporting the reversing valve of the oil cylinder by the suspension arm; 46 hoisting a reversing valve of the telescopic oil cylinder; 61 hoisting the explosion-proof valve of the lifting oil cylinder; 62 hoisting and lowering the one-way throttle valve of the oil cylinder; 63 supporting the one-way throttle valve of the oil cylinder; 64 boom cylinder one-way throttle valves; 65 hoisting the explosion-proof valve of the telescopic oil cylinder; 66 hoisting the telescopic one-way throttle valve; 67 oil pump check valve; 68 tilting cylinder one-way throttle valve; 600 return oil filter; 610 a telescopic coupling sleeve; 620, a suspension arm supporting oil cylinder; 630 hoisting the telescopic oil cylinder; 640 pneumatic hoist; 650 lifting arm lifting cylinders; 660 lifting connecting sleeves; 710 a drive wheel; 720 thrust wheels; 730 a crawler belt; 740 hold the sprocket.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention.
As shown in fig. 1 and 2, an embodiment of the invention provides a pneumatic crawler type multifunctional transport vehicle, which comprises a carriage assembly 1, a boom assembly 6, a walking crawler assembly 7, a carriage slewing assembly 8, a tilt cylinder 9, a vehicle chassis 10, a boom support slewing device 12 and a vehicle ascending frame 13. The vehicle chassis 10 is welded and fixed on the inner side of the walking crawler assembly 7, the carriage rotation assembly 8 is arranged on the vehicle chassis 10, and the vehicle ascending frame 13 is fixed on the carriage rotation assembly 8; one end of the carriage assembly 1 is connected with a vehicle upper traveling frame 13 through two pin shafts 2, and the other end of the carriage assembly 1 is fixedly connected with the vehicle upper traveling frame 13 through two inclined oil cylinders 9; in this embodiment, the vehicle ascending frame 13 is made of channel steel by welding and is fixed on the carriage revolving assembly 8 by bolts.
The boom support slewing device 12 is fixed at one end of the vehicle chassis 10 through bolts, and the boom assembly 6 is mounted on the boom support slewing device 12 through bolts. The vehicle chassis 10 is fixed with a pneumatic motor 22 and a gear oil pump 21 through bolts, an output shaft of the pneumatic motor 22 is connected with an input shaft of the gear oil pump 21 through a flat key or a spline, a cast iron shield is used as a rotary protection device 23 at the connection position, a silencer is arranged at an exhaust port of the pneumatic motor 22, four support oil cylinders 11 are arranged at four corners of the bottom of the vehicle chassis 10, and the four support oil cylinders 11 extend out of the support ground when a heavy object is lifted, loaded and unloaded. The oil outlet side of the gear oil pump 21 is respectively connected to the walking crawler assembly 7, the suspension arm assembly 6 and the carriage rotation assembly 8 through a reversing valve group. Install operation panel 5 on vehicle chassis 10, operation panel 5 includes support frame and switching-over valve action bars, and the switching-over valve action bars is connected to the switching-over valves, and operation panel 5 is located the rear end on chassis, is provided with driver's seat 4 behind the operation panel. A hydraulic oil tank assembly 3 is arranged on the vehicle chassis 10, and the hydraulic oil tank assembly 3 comprises an oil absorption filter, an oil return filter, an air filter, a liquid level meter and an oil tank body; the oil suction filter is arranged at the oil inlet side of the gear oil pump 21, the oil return filter is arranged at the oil return port of the oil tank body, and the air filter and the liquid level meter are arranged in the oil tank body.
Specifically, as shown in fig. 1, the boom assembly 6 includes a boom support cylinder 620, a lifting telescopic cylinder 630, a pneumatic hoist 640, and a boom lift cylinder 650; the boom support cylinder 620 is bolted to the boom support swing 12 so that the boom assembly 6 can rotate 360 degrees following the support swing 12. When a heavy object is hoisted, the telescopic piston rod of the boom support oil cylinder 620 can abut against the top of the roadway, so that the hoisting stability is improved; the lifting telescopic cylinder 630 and the lifting cylinder 650 are respectively and fixedly connected to the boom support cylinder 620 through a telescopic connecting sleeve 610 and a lifting connecting sleeve 660, and the connecting sleeve is composed of a connecting plate and a bolt which are welded on the boom support cylinder 620; the pneumatic hoist 640 is hung at the front end of the lifting telescopic cylinder 630. Specifically, the pneumatic block 640 is an existing pneumatic block, and includes a pneumatic motor, a speed reducer thereof, a chain, an air inlet pipe, a control air pipe, a hanging device, a lifting hook, a control handle, and the like.
Specifically, as shown in fig. 1, the walking crawler assembly 7 includes a walking frame and a crawler 730, the vehicle chassis 10 is fixed on the walking frame, the walking frame is provided with a driving wheel 710, a walking motor 31 and a speed reducer, and the walking motor 31 is connected with the driving wheel 710 after being reduced by the speed reducer; the bottom of the walking frame is provided with a supporting wheel 720, the two ends of the walking frame are provided with a left guide wheel, a right guide wheel and a left tension device, and the upper part of the walking frame is provided with a supporting chain wheel 740; the track 730 is mounted on the drive wheel 710.
Specifically, the carriage slewing assembly 8 comprises a carriage slewing motor 32, a carriage slewing reducer and a carriage slewing bearing; the vehicle ascending frame 13 is arranged on the vehicle chassis 10 through a carriage slewing bearing, and a carriage slewing motor 32 is connected with the carriage slewing bearing through a carriage slewing reducer; the boom support slewing device 12 comprises a boom slewing motor 36, a boom slewing reducer and a boom slewing bearing; the boom support cylinder 620 is mounted on the vehicle chassis 10 through a boom slewing bearing, and the boom slewing motor 36 is connected with the boom slewing bearing through a boom slewing reducer.
As shown in fig. 3 to 5, the traveling motor 31 includes left and right traveling motors; the gear oil pump 21 is connected with the inlet of the left walking reversing valve group 34, the inlet of the right walking reversing valve group 35, the inlet of the carriage rotary reversing valve group and the inlet of the suspension arm rotary reversing valve group 37 in parallel through an oil pump check valve 67; the boom rotary reversing valve group 37 is connected with the boom rotary motor 36, and the carriage rotary reversing valve group is connected with the carriage rotary motor 32; the left traveling reversing valve group 34 and the right traveling reversing valve group 35 are respectively connected with a left traveling motor and a right traveling motor; the outlets of the carriage rotary reversing valve group and the boom rotary reversing valve group 37 are converged and sequentially connected with a middle way oil return channel 39, an oil return filter 600 and an oil tank body; the outlets of the left traveling reversing valve group 34 and the right traveling reversing valve group 35 are connected with the oil cylinder multi-path reversing valve group 33, the oil return channel 38, the oil return filter 600 and the oil tank body in a converging manner.
Specifically, in this embodiment, the left travel directional control valve group 34 includes a left travel directional control valve, a left travel check valve, and a left travel safety valve, wherein the left travel directional control valve is a three-position six-way Y-shaped valve; the right walking reversing valve group 35 comprises a right walking reversing valve, a right walking one-way valve and a right walking safety valve, wherein the right walking reversing valve is a three-position six-way Y-shaped valve; the carriage rotary reversing valve group comprises a carriage rotary reversing valve, a carriage rotary one-way valve and a carriage rotary safety valve, wherein the carriage rotary reversing valve is a three-position six-way Y-shaped valve; the boom rotation reversing valve group 37 comprises a boom rotation reversing valve, a boom rotation one-way valve and a boom rotation safety valve, wherein the boom rotation reversing valve is a three-position six-way Y-shaped valve. The oil cylinder multi-way reversing valve group 33 comprises an inclined oil cylinder reversing valve 42, a lifting reversing valve 43, a supporting oil cylinder reversing valve 44, a boom supporting oil cylinder reversing valve 45 and a lifting telescopic oil cylinder reversing valve 46, wherein the five reversing valves are three-position six-way O-shaped valves.
The tilt cylinder reversing valve 42 is connected with the tilt cylinder 9 through a tilt cylinder one-way throttle valve 69; the lifting reversing valve 43 is connected with a boom lifting oil cylinder 650; the four supporting oil cylinder reversing valves 44 are connected with the four supporting oil cylinders 11 through supporting oil cylinder one-way throttle valves 63; the boom support cylinder reversing valve 45 is connected with the boom support cylinder 620 through the hoisting telescopic one-way throttle valve 66 and the boom cylinder one-way throttle valve 65; the lifting telescopic cylinder reversing valve 46 is connected with a lifting telescopic cylinder 630 through a lifting telescopic cylinder explosion-proof valve; the outlets of the left traveling reversing valve group 34 and the right traveling reversing valve group 35 are converged and sequentially connected with oil ports E3 and J3 of a lifting telescopic oil cylinder reversing valve 46, oil ports E4 and J4 of a lifting arm supporting oil cylinder reversing valve 45, oil ports E5 and J5 of four supporting oil cylinder reversing valves 44, oil ports E6 and J6 of a lifting reversing valve 43, oil ports E7 and J7 of an inclined oil cylinder reversing valve 42, an oil return channel 38, an oil return filter 600 and an oil tank body.
The embodiment of the invention provides another technical scheme that:
as shown in fig. 3 to 5, a working method of the pneumatic crawler type multifunctional transport vehicle comprises the following steps:
when the multifunctional pneumatic transport vehicle works, an inlet valve of the pneumatic motor 22 is opened to drive the gear oil pump 21 to run, all the reversing valves are positioned in the middle position at the moment, oil supplied by the gear oil pump 21 sequentially passes through the gear oil pump 21 and the oil pump check valve 67, and then parallelly enters the second oil inlet E2 of the left walking reversing valve group 34, the second oil inlet E1 of the right walking reversing valve group 35, the carriage rotary reversing valve group and the suspension arm rotary reversing valve group 37; one path enters a middle path oil return channel 39 after passing through a carriage rotary reversing valve group and a suspension arm rotary reversing valve group 37, and then returns to the oil tank body through an oil return filter 600; the other path of the oil flow enters an oil inlet path P3 of the oil cylinder multi-path reversing valve group 33 after converging through an oil outlet J2 of the left traveling reversing valve group 34 and an oil outlet J1 of the right traveling reversing valve group 35, sequentially passes through oil ports E3 and J3 of a lifting telescopic oil cylinder reversing valve 46, oil ports E4 and J4 of a lifting arm supporting oil cylinder reversing valve 45, oil ports E5 and J5 of four supporting oil cylinder reversing valves 44, oil ports E6 and J6 of a lifting reversing valve 43, oil ports E7 and J7 of an inclined oil cylinder reversing valve 42 and a middle oil duct 40, enters an oil return channel 38, and returns to a hydraulic oil tank through an oil return filter 600;
when the walking crawler assembly 7 and the carriage rotation assembly 8 do not work, and the boom support rotation device 12 and the boom assembly 6 are operated jointly, the boom rotation reversing valve group 37 is reversed to an upper position or a lower position, oil supplied by the gear oil pump 21 sequentially enters the middle way oil return channel 39 through the oil pump check valve 67, an oil inlet of the boom rotation reversing valve group 37, the boom rotation motor 36 and an oil outlet of the boom rotation reversing valve group 37, and then returns to the hydraulic oil tank through the oil return filter 600; the lifting reversing valve 43 is reversed to the right, the oil supplied by the gear oil pump 21 parallelly enters a second oil inlet E2 of the left walking reversing valve group 34 and a second oil inlet E1 of the right walking reversing valve group 35 through the oil pump check valve 67, is converged into an oil inlet P3 of the oil cylinder multi-way reversing valve group 33 through an oil outlet J2 of the left walking reversing valve group 34 and an oil outlet J1 of the right walking reversing valve group 35, and enters the lifting oil cylinder 650 through the lifting oil cylinder check throttle valve 62 and the lifting oil cylinder explosion-proof valve 61 through the parallel oil passage 41, the oil inlet D6 of the lifting reversing valve 43 and a first oil outlet K6 of the lifting reversing valve 43 to perform lifting operation;
when the lifting oil cylinder 650 descends, the lifting reversing valve 43 reverses to the left position, and the oil enters the oil tank body through the oil inlet D6, the oil outlet J6 and the middle-path oil return passage 39 of the lifting reversing valve 43 and then returns to the oil tank body through the oil return filter 600;
the return oil of the lifting oil cylinder 650 enters the return oil channel 38 through the first oil outlet K6 and the second oil outlet F6 of the lifting reversing valve 43, and returns to the oil tank body through the return oil filter 600.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (10)
1. The pneumatic crawler type multifunctional transport vehicle is characterized by comprising a carriage assembly (1), a boom assembly (6), a walking crawler assembly (7), a carriage revolving assembly (8), an inclined oil cylinder (9), a vehicle chassis (10), a boom supporting and revolving device (12) and a vehicle ascending frame (13);
the vehicle chassis (10) is fixed on the walking crawler assembly (7), the carriage rotating assembly (8) is arranged on the vehicle chassis (10), and the vehicle ascending frame (13) is fixed on the carriage rotating assembly (8); one end of the carriage assembly (1) is connected with the vehicle upper traveling frame (13) through two pin shafts (2), and the other end of the carriage assembly (1) is fixedly connected with the vehicle upper traveling frame (13) through two inclined oil cylinders (9);
the suspension arm supporting and rotating device (12) is fixed at one end of a vehicle chassis (10), and the suspension arm assembly (6) is installed on the suspension arm supporting and rotating device (12);
a pneumatic motor (22) and a gear oil pump (21) are fixed on a vehicle chassis (10), an output shaft of the pneumatic motor (22) is connected with an input shaft of the gear oil pump (21), and an oil outlet side of the gear oil pump (21) is respectively connected to a walking crawler assembly (7), a suspension arm assembly (6) and a carriage rotation assembly (8) through a reversing valve group;
an operating platform (5) is installed on the vehicle chassis (10), the operating platform (5) comprises a supporting frame and a reversing valve operating rod, and the reversing valve operating rod is connected to a reversing valve group.
2. The pneumatic crawler-type multifunctional transport vehicle of claim 1, characterized in that a hydraulic oil tank assembly (3) is mounted on the vehicle chassis (10), the hydraulic oil tank assembly (3) comprises an oil suction filter, an oil return filter and an oil tank body; the oil suction filter is arranged on the oil inlet side of the gear oil pump (21), and the oil return filter is arranged at an oil return port of the oil tank body.
3. The air-actuated tracked multifunctional transporter according to claim 2, wherein the boom assembly (6) comprises a boom support cylinder (620), a lifting telescopic cylinder (630), an air hoist (640), a boom lift cylinder (650); a suspension arm supporting oil cylinder (620) is fixed on the suspension arm supporting and rotating device (12), and a lifting telescopic oil cylinder (630) and a lifting oil cylinder (650) are fixedly connected to the suspension arm supporting oil cylinder (620); the pneumatic hoist (640) is hung at the front end of the lifting telescopic oil cylinder (630).
4. The air-actuated crawler type multifunctional transporter according to claim 3, wherein the traveling crawler assembly (7) comprises a traveling frame and a crawler (730), the vehicle chassis (10) is fixed on the traveling frame, the traveling frame is provided with a driving wheel (710), a traveling motor (31) and a speed reducer, and the traveling motor (31) is connected with the driving wheel (710) after being reduced in speed by the speed reducer.
5. The pneumatic crawler-type multi-function transport vehicle of claim 4, wherein the carriage slewing assembly (8) comprises a carriage slewing motor (32), a carriage slewing reducer, a carriage slewing bearing; the vehicle ascending frame (13) is arranged on a vehicle chassis (10) through a carriage rotary support, and a carriage rotary motor (32) is connected with the carriage rotary support through a carriage rotary speed reducer; the suspension arm supporting and rotating device (12) comprises a suspension arm rotating motor (36), a suspension arm rotating speed reducer and a suspension arm rotating support; the suspension arm supporting oil cylinder (620) is installed on a vehicle chassis (10) through a suspension arm slewing bearing, and a suspension arm slewing motor (36) is connected with the suspension arm slewing bearing through a suspension arm slewing reducer.
6. Air-operated tracked multi-function vehicle according to claim 5, characterized in that the bottom of the vehicle chassis (10) is provided with support cylinders (11).
7. An air-operated tracked multi-function vehicle according to claim 6, wherein the travel motors (31) comprise left and right travel motors; the gear oil pump (21) is connected with an inlet of a left walking reversing valve group (34), an inlet of a right walking reversing valve group (35), an inlet of a carriage rotary reversing valve group and an inlet of a suspension arm rotary reversing valve group (37) in parallel through an oil pump check valve (67); the boom rotary reversing valve group (37) is connected with a boom rotary motor (36), and the carriage rotary reversing valve group is connected with a carriage rotary motor (32); the left walking reversing valve group (34) and the right walking reversing valve group (35) are respectively connected with a left walking motor and a right walking motor;
the outlets of the carriage rotary reversing valve group and the suspension arm rotary reversing valve group (37) are converged and sequentially connected with a middle way oil return channel (39), an oil return filter (600) and an oil tank body; the outlets of the left walking reversing valve group (34) and the right walking reversing valve group (35) are connected with an oil cylinder multi-way reversing valve group (33), an oil return channel (38), an oil return filter (600) and an oil tank body in a converging manner.
8. The air-actuated crawler-type multifunctional transport vehicle as claimed in claim 7, wherein the cylinder multi-way reversing valve group (33) comprises a tilt cylinder reversing valve (42), a lifting reversing valve (43), a support cylinder reversing valve (44), a boom support cylinder reversing valve (45) and a lifting telescopic cylinder reversing valve (46);
the tilting oil cylinder reversing valve (42) is connected with the tilting oil cylinder (9); the lifting reversing valve (43) is connected with a lifting oil cylinder (650); the supporting oil cylinder reversing valve (44) is connected with the supporting oil cylinder (11); the boom support oil cylinder reversing valve (45) is connected with the boom support oil cylinder (620); the lifting telescopic oil cylinder reversing valve (46) is connected with a lifting telescopic oil cylinder (630);
the outlets of the left walking reversing valve group (34) and the right walking reversing valve group (35) are converged and sequentially connected with a lifting telescopic oil cylinder reversing valve (46), a suspension arm supporting oil cylinder reversing valve (45), four supporting oil cylinder reversing valves (44), a lifting reversing valve (43), an inclined oil cylinder reversing valve (42), an oil return channel (38), an oil return filter (600) and an oil tank body.
9. The pneumatic tracked multi-function vehicle according to claim 1, characterized in that the output shaft of the pneumatic motor (22) is coupled with the input shaft of the gear oil pump (21) by means of a flat key or a spline.
10. The working method of the air-actuated crawler-type multifunctional transport vehicle as claimed in claims 1-9, characterized by comprising the following steps:
when the multifunctional pneumatic transport vehicle works, an inlet valve of a pneumatic motor (22) is opened to drive a gear oil pump (21) to run, all reversing valves are positioned at the middle position, oil supplied by the gear oil pump (21) sequentially passes through the gear oil pump (21) and an oil pump check valve (67), and then parallelly enters a left walking reversing valve group (34), a right walking reversing valve group (35), a carriage rotary reversing valve group and a boom rotary reversing valve group (37); one path enters a middle path oil return channel (39) through a carriage rotary reversing valve group and a suspension arm rotary reversing valve group (37), and then returns to the oil tank body through an oil return filter (600); the other path of the oil flow is converged into an oil cylinder multi-path reversing valve group (33) through a left walking reversing valve group (34) and a right walking reversing valve group (35), enters an oil return channel (38) through a lifting telescopic oil cylinder reversing valve (46), a suspension arm supporting oil cylinder reversing valve (45), four supporting oil cylinder reversing valves (44), a lifting reversing valve (43) and an inclined oil cylinder reversing valve (42) in sequence, and returns to a hydraulic oil tank through an oil return filter (600);
when the walking crawler assembly (7) and the carriage rotary assembly (8) do not work, and the boom support rotary device (12) and the boom assembly (6) are operated jointly, the boom rotary reversing valve group (37) is reversed to an upper position or a lower position, oil supply of the gear oil pump (21) sequentially enters a middle oil return channel (39) through an oil pump one-way valve (67), an oil inlet of the boom rotary reversing valve group (37), a boom rotary motor (36) and an oil outlet of the boom rotary reversing valve group (37), and then returns to a hydraulic oil tank through an oil return filter (600); the lifting reversing valve (43) is reversed to the right position, the oil supply of the gear oil pump (21) enters the left walking reversing valve group (34) and the right walking reversing valve group (35) through the oil pump one-way valve (67) in parallel, flows into the oil cylinder multi-way reversing valve group (33) through the left walking reversing valve group (34) and the right walking reversing valve group (35), passes through the lifting reversing valve (43) and the lifting reversing valve (43), enters the lifting oil cylinder (650) through the lifting oil cylinder one-way throttle valve (62) and the lifting oil cylinder explosion-proof valve (61), and is lifted;
when the lifting oil cylinder (650) descends, the lifting reversing valve (43) is reversed to the left, and the oil inlet passes through the lifting reversing valve (43) and the middle oil return passage (39) and then returns to the oil tank body through the oil return filter (600);
the return oil of the lifting oil cylinder (650) enters the oil return channel (38) through the lifting reversing valve (43) and returns to the oil tank body through the oil return filter (600).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110657358.1A CN113247795A (en) | 2021-06-11 | 2021-06-11 | Pneumatic crawler type multifunctional transport vehicle and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110657358.1A CN113247795A (en) | 2021-06-11 | 2021-06-11 | Pneumatic crawler type multifunctional transport vehicle and method |
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| CN113247795A true CN113247795A (en) | 2021-08-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864259A (en) * | 2021-10-12 | 2021-12-31 | 广西美斯达工程机械设备有限公司 | Hydraulic control system of crawler conveyor |
| CN114572319A (en) * | 2022-03-30 | 2022-06-03 | 陕西秦之基智能科技有限公司 | Pneumatic crawler-type transportation robot and remote control system and operation method thereof |
| CN115306475A (en) * | 2022-08-04 | 2022-11-08 | 中国煤炭科工集团太原研究院有限公司 | Trackless transport vehicle for rapid tunneling working face and transport operation method thereof |
| CN116447940A (en) * | 2023-04-03 | 2023-07-18 | 山东源运通矿山装备科技有限公司 | mine propulsion |
-
2021
- 2021-06-11 CN CN202110657358.1A patent/CN113247795A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864259A (en) * | 2021-10-12 | 2021-12-31 | 广西美斯达工程机械设备有限公司 | Hydraulic control system of crawler conveyor |
| CN113864259B (en) * | 2021-10-12 | 2023-10-10 | 广西美斯达工程机械设备有限公司 | Hydraulic control system of crawler conveyor |
| CN114572319A (en) * | 2022-03-30 | 2022-06-03 | 陕西秦之基智能科技有限公司 | Pneumatic crawler-type transportation robot and remote control system and operation method thereof |
| CN115306475A (en) * | 2022-08-04 | 2022-11-08 | 中国煤炭科工集团太原研究院有限公司 | Trackless transport vehicle for rapid tunneling working face and transport operation method thereof |
| CN116447940A (en) * | 2023-04-03 | 2023-07-18 | 山东源运通矿山装备科技有限公司 | mine propulsion |
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Application publication date: 20210813 |