阅读说明：本技术 一种综采面液压支架撤除多功能拖运车 (Multifunctional hauling vehicle for removing hydraulic support of fully mechanized mining face ) 是由 李振 张佃龙 李文亮 杜传坤 姜彪 李越 葛洋 高启章 宋金标 于 2020-07-03 设计创作，主要内容包括：本发明提供一种综采面液压支架撤除多功能拖运车,包括可升降伸缩及回转用以勾住液压支架的伸缩臂和机身,机身的前端及后端分别安装有可升降运动用以抵住地面的前下支撑装置和后下支撑装置,机身底部安装有行走机构,机身的后端还设有具有操控室及侧支撑器的尾架机构,机身内部设有用以控制伸缩臂、前下支撑装置、后下支撑装置、行走机构及尾架机构动作的油箱组件、液压系统及电控箱。上述多功能拖运车可以替代传统绞车和单体支柱,完成支架的抽出、调向、支护及运输工作,实现液压支架一次撤除,其动作连贯,操作流畅,提高了工作效率,降低了人力、物力及作业成本。(The invention provides a multifunctional hauling vehicle for removing a hydraulic support of a fully mechanized mining surface, which comprises a telescopic arm and a machine body, wherein the telescopic arm and the machine body can be lifted, stretched and rotated to hook the hydraulic support, the front end and the rear end of the machine body are respectively provided with a front lower supporting device and a rear lower supporting device which can be lifted and moved to abut against the ground, the bottom of the machine body is provided with a walking mechanism, the rear end of the machine body is also provided with a tailstock mechanism with a control chamber and side supporters, and an oil tank assembly, a hydraulic system and an electric cabinet are arranged in the machine body and used for controlling the actions of the telescopic arm, the front lower supporting device, the rear lower supporting. The multifunctional hauling vehicle can replace a traditional winch and a single prop, complete the work of drawing out, adjusting direction, supporting and transporting the support, realize the one-time removal of the hydraulic support, has continuous action and smooth operation, improves the working efficiency, and reduces the labor, material and operation costs.)

1. A multifunctional hauling vehicle for removing a hydraulic support of a fully mechanized mining surface is characterized by comprising a machine body (2) and a telescopic arm (1) which can be lifted, stretched and rotated and is used for hooking the hydraulic support, the front end and the rear end of the machine body (2) are respectively provided with a front lower supporting device (3) and a rear lower supporting device (4) which can move up and down to abut against the ground, a traveling mechanism (5) is installed at the bottom of the machine body (2), a tailstock mechanism (6) with a control room (601) and a side support (602) is further arranged at the rear end of the machine body (2), the telescopic boom is characterized in that an oil tank assembly (201), a hydraulic system (202) and an electric cabinet (203) which are used for controlling the telescopic boom (1), the front lower supporting device (3), the rear lower supporting device (4), the travelling mechanism (5) and the tailstock mechanism (6) to act are arranged in the machine body (2).

2. The multifunctional hauling truck for removing the hydraulic support of the fully mechanized mining face according to claim 1, wherein the telescopic boom (1) comprises a large boom (101), a small boom (102), a connecting seat (103), a rotating hook (104), a pin shaft (108), a telescopic boom telescopic cylinder (105), a hinged ear seat (106) and a telescopic boom lifting cylinder (107), the small boom (102) is telescopically mounted on the large boom (101), the small boom (102) is mounted on the connecting seat (103), the rotating hook (104) is hinged to the front end of the small boom (102), the rear end of the large boom (101) is hinged to a rotating frame (205) of the machine body (2) through the pin shaft (108), the hinged ear seat (106) is fixedly mounted in the middle of the machine body (2), and the sliding end of the telescopic boom lifting cylinder (107) is connected with the hinged ear seat (106), the fixed end is hinged with the revolving frame (205).

3. The multifunctional hauling truck for removing the hydraulic support of the fully mechanized mining face according to claim 2, wherein the machine body (2) comprises a guard plate (204), a front frame, a rear frame, the revolving frame (205) mounted on the front end face of the front frame, a revolving cylinder (206) for driving the revolving frame (205) to rotate and a motor pump station (207), the motor pump station (207) comprises a motor, a distribution gear box, a walking pump, a main pump and a coupler, and the motor and the distribution gear box are connected through the coupler and fixed on the front frame through a high-strength bolt.

4. The multifunctional hauling truck for removing hydraulic supports on fully mechanized mining surfaces as claimed in claim 3, wherein the front lower supporting device (3) and the rear lower supporting device (4) each comprise a supporting mounting frame, a supporting outer cylinder, a supporting inner cylinder and a supporting oil cylinder, both ends of the supporting oil cylinder are respectively connected with the supporting outer cylinder and the supporting inner cylinder through pin shafts, the supporting inner cylinder is driven by the supporting oil cylinder to freely stretch along the inside of the supporting outer cylinder, the supporting mounting frame is fixed on the guard plate (204) through high-strength bolts, and the supporting outer cylinder is respectively connected with the supporting mounting frame and the frame through high-strength bolts.

5. The multifunctional hauling truck for removing the hydraulic support of the fully mechanized mining surface as claimed in claim 4, wherein the tail frame mechanism (6) further comprises a tail frame body, two side supporters (602), two tail frame oil cylinders and side supporter oil cylinders (603), wherein two sides of the front end of the tail frame body are connected with the support mounting frame through pin shafts, the two tail frame oil cylinders are arranged at the middle lower part of the tail frame body and used for driving the tail frame body to lift upwards, the two side supporters (602) are arranged at two sides of the tail frame body and realize telescopic motion under the driving of the side supporter oil cylinders (603);

the tail frame mechanism (6) is also provided with a cable winding device which comprises a roller, a cable winding wound on the roller and a cable winding motor used for driving the roller to rotate.

6. The multi-function tow truck with the hydraulic support for the fully mechanized mining face removed according to claim 5, characterized in that the hydraulic system (202) comprises a travel drive system and a cylinder control system, the travel drive system is a closed system comprising two sets of closed pumps for supplying oil to the travel mechanism (5), the cylinder control system is an open system comprising a triple pump, the first pump is used for supplying oil to the cylinder, the second pump is used for supplying oil to the fan motor, the third pump is used for supplying oil to the drum motor, the hydraulic system (202) further comprises a main pump, a main valve, a pilot valve, a hydraulic pilot console, a hydraulic motor, a cylinder, a cooler, and various oil pipe assemblies, joints, seals, filters and pressure gauges.

7. The multifunctional hauling truck for removing the hydraulic support of the fully mechanized mining face as claimed in claim 6, wherein four sets of hydraulic control pilot valves are installed on the control chamber (601), and the hydraulic control pilot valves comprise a set of two-way pilot valves, a set of three-way pilot valves, a set of four-way pilot valves and a set of five-way pilot valves, wherein the two-way pilot valves respectively control the actions of the left and right traveling mechanisms (5), the three-way pilot valves respectively control the lifting, stretching and rotating actions of the boom, the four-way pilot valves respectively control the lifting of the four supporting cylinders, the five-way pilot valves respectively control the actions of the two side supporting cylinder (603) and the tailstock lifting cylinder (604), the control chamber (601) is provided with a control handle, the actions of each cylinder and the hydraulic motor are completed through the control handle, and a pressure gauge for displaying the system pressure.

8. The multifunctional hauling truck for removing the hydraulic support of the fully mechanized mining face of claim 7, wherein the oil tank assembly (201) is positioned at the middle rear part of the frame and comprises a box body, a cover plate covering the top of the box body, an oil suction filter, an oil return filter and an air filter which are arranged on the box body.

9. The multifunctional hauling truck for removing the hydraulic support of the fully mechanized mining surface as claimed in any one of claims 5 to 8, wherein the telescopic boom telescopic cylinder (105), the telescopic boom lifting cylinder (107), the front support cylinder of the front lower support device (3), the rear support cylinder (401) of the rear lower support device (4), and the side support cylinder (603) are further provided with a reversing valve and an overload overflow valve attached inside.

10. The multifunctional hauling truck for removing the hydraulic support of the fully mechanized mining face as claimed in claim 9, wherein the traveling mechanism (5) comprises a driving wheel, a track chain mounted on the driving wheel, a hydraulic motor and a speed reducer for providing driving force to the driving wheel, a track frame, a bearing wheel and a track tensioning mechanism, the track chain and the track frame realize rolling friction through the bearing wheel, the track tensioning mechanism comprises a tensioning wheel and a tensioning cylinder, the rear end of the tensioning wheel is locked through a clamping plate, the tensioning cylinder pushes the tensioning wheel to adjust the tightness of the track chain, the speed reducer is connected with the track frame through a high-strength bolt, and the track frame is connected with the frame through two hooks and vertical and horizontal keys and fixes two sides of the frame.

Technical Field

The invention relates to the technical field of underground equipment of coal mines, in particular to a multifunctional hauling truck for removing a hydraulic support of a fully mechanized mining face.

Background

Along with the adjustment of national coal productivity policy, the mine tends to be large-scale gradually, the model of the applied hydraulic support is larger and larger, and the weight is heavier and heavier, so that higher requirements are provided for the removal of the hydraulic support.

At present, the main methods for removing the hydraulic support on the fully mechanized mining face include the following two methods:

a is a direct removing method, mainly apply to the removal of the hydraulic support when the roof condition of the working face is better, withdraw the side guard plate of the hydraulic support at first, and make it drop the post, utilize winch or jack to pull out the hydraulic support along the direction of perpendicular coal wall 1.5-1.8 meters, then, make it rotate 90 degrees, reuse winch to pull to the loading place, after the first group of supports of the end of working face is removed, need to play a wood buttress and support the roof, after every group of supports of removing, need to support the canopy along the direction of working face, in order to support the canopy and move towards one end of the goaf side;

the other method is a shield frame-removing method which is mainly used for removing hydraulic supports when the working face top plate condition is poor, firstly, the top plate at the withdrawing end of the working face is well maintained by single hydraulic supports and wood buttress beams, then three groups or four groups of hydraulic supports at the starting end part are adjusted to be parallel to the coal wall of the working face so as to shield the frame-by-frame removing of other hydraulic supports, and other measures are matched in time to support and remove the space.

The two methods are both pulled out by adopting a method of matching a winch or a single body with the winch, and then the winch is used for dragging the winch to a working face loading platform or a crossheading loading chamber for loading and transporting, so that the labor capacity of workers is large, the working efficiency is low, and potential safety hazards exist.

Disclosure of Invention

The invention aims to provide a multifunctional hauling vehicle for removing a fully mechanized mining face hydraulic support, which realizes one-time removal of the hydraulic support, has high working efficiency and low labor intensity and improves the safety of removal construction.

The invention provides a multifunctional hauling vehicle for removing a hydraulic support of a fully mechanized mining surface, which comprises a telescopic arm and a machine body, wherein the telescopic arm and the machine body can be telescopic in a lifting way and can rotate to hook the hydraulic support, the front end and the rear end of the machine body are respectively provided with a front lower supporting device and a rear lower supporting device which can move in a lifting way to abut against the ground, the bottom of the machine body is provided with a travelling mechanism, the rear end of the machine body is also provided with a tailstock mechanism with an operation chamber and side supporters, and an oil tank assembly, a hydraulic system and an electric cabinet are arranged in the machine body and used for controlling the telescopic arm, the front lower supporting device, the rear lower supporting device, the travelling mechanism and the tailstock.

Preferably, the flexible arm includes big arm, forearm, connecting seat, rotatory hook, round pin axle, flexible arm telescopic cylinder, articulated ear seat and flexible arm lift cylinder, the forearm is scalable install in big arm, the forearm is installed on the connecting seat, the articulated gib head of installing of front end of forearm, big arm rear end is passed through the round pin axle with the revolving rack of fuselage is articulated mutually, articulated ear seat fixed mounting in the middle part of fuselage, the slip end of flexible arm lift cylinder is connected articulated ear seat, and the stiff end is articulated to be connected the revolving rack.

Preferably, the fuselage includes backplate, front bezel, after-poppet, install in terminal surface before the front bezel the revolving bay, be used for driving revolving bay pivoted rotary cylinder and motor pump station, motor pump station includes motor, distribution gear box, walking pump, main pump and shaft coupling, the motor with the distribution gear box passes through the shaft coupling is connected to fix through high strength bolt on the front bezel.

Preferably, preceding under bracing means with back under bracing means all includes support mounting bracket, support urceolus, support inner tube and support cylinder, the both ends of support cylinder through the round pin axle respectively with support the urceolus with it links to each other to support the inner tube, it is in to support the inner tube the drive of support cylinder is followed down support the inside free flexible of urceolus, it fixes through high strength bolt to support the mounting bracket on the backplate, support the urceolus through high strength bolt respectively with support the mounting bracket with the frame links to each other.

Preferably, the tailstock mechanism further comprises a tailstock frame body, two side supporters, two tailstock oil cylinders and side supporter oil cylinders, wherein two sides of the front end of the tailstock frame body are connected with the supporting and mounting frame through pin shafts, the two tailstock oil cylinders are arranged at the lower middle part of the tailstock frame body and used for driving the tailstock frame body to lift upwards, and the two side supporters are arranged at two sides of the tailstock frame body and realize telescopic motion under the driving of the side supporter oil cylinders;

the tail frame mechanism is also provided with a cable winding device which comprises a roller, a cable winding wound on the roller and a cable winding motor used for driving the roller to rotate.

Preferably, hydraulic system includes walking drive system and cylinder control system, walking drive system is closed system, include be used for to two sets of closed pumps of running gear fuel feeding, cylinder control system is open system, including the trigeminy pump, and first antithetical couplet pump is used for to the hydro-cylinder fuel feeding, and the second antithetical couplet pump is used for supplying oil to fan motor, the trigeminy pump is used for supplying oil to the reel motor, hydraulic system still includes main pump, main valve, pilot valve, hydraulic pressure guide operation panel, hydraulic motor, hydro-cylinder, cooler and each oil pipe assembly, joint, sealing member, filter and manometer.

Preferably, four groups of hydraulic control pilot valves are installed on the control chamber, the hydraulic control pilot valves comprise a group of two-linkage pilot valves, a group of three-linkage pilot valves, a group of four-linkage pilot valves and a group of five-linkage pilot valves, the two-linkage pilot valves respectively control the actions of the left travelling mechanism and the right travelling mechanism, the three-linkage pilot valves respectively control the lifting action, the stretching action and the rotating action of the suspension arm, the four-linkage pilot valves respectively control the lifting action of four supporting cylinders, the five-linkage pilot valves respectively control the actions of two side supporting device cylinders, a top cover lifting cylinder and a tailstock lifting cylinder, the control chamber is provided with a control handle, the actions of each cylinder and a hydraulic motor are completed.

Preferably, the oil tank assembly is located at the middle rear part of the rack and comprises a tank body, a cover plate covering the top of the tank body, an oil suction filter, an oil return filter and an air filter, wherein the oil suction filter, the oil return filter and the air filter are installed on the tank body.

Preferably, the telescopic boom telescopic oil cylinder, the telescopic boom lifting oil cylinder, the front support oil cylinder of the front lower support device, the rear support oil cylinder of the rear lower support device and the side support oil cylinder are further provided with reversing valves, and overload overflow valves are attached to the insides of the reversing valves.

Preferably, the running mechanism includes the drive wheel, install in track chain on the drive wheel, be used for to the drive wheel provides drive power's hydraulic motor and speed reducer, track frame, bearing wheel and track tight mechanism that rises, the track chain with the track frame passes through the rolling friction is realized to the bearing wheel, the track tight mechanism that rises includes tight pulley and tight hydro-cylinder that rises, the rear end of tight pulley that rises is passed through the cardboard locking, tight hydro-cylinder that rises promotes tight pulley regulation the elasticity of track chain, the speed reducer pass through high strength bolt with the track frame is connected, the track frame adopts two couples and vertical flat key to link to each other and fix the frame both sides with the frame.

Compared with the prior art, the multifunctional hauling vehicle for removing the hydraulic support on the fully mechanized mining face is designed aiming at the hydraulic support removing work, and due to the fact that equipment capable of achieving integrated operation of pulling, swinging and advancing of the hydraulic support is fresh on the market, the traditional removing mode is time-consuming and labor-consuming, and the requirement for development of large-scale hydraulic supports is difficult to meet, the multifunctional hauling vehicle capable of reducing labor intensity of workers and improving removing efficiency is quite necessary.

Specifically, the multifunctional hauling device for removing the hydraulic support on the fully mechanized mining surface comprises a telescopic arm, a machine body, a front lower supporting device, a rear lower supporting device, a travelling mechanism and a tailstock mechanism, wherein an oil tank assembly, a hydraulic system and an electric cabinet are arranged in the machine body, the tailstock mechanism is provided with an operating room and a side support, the telescopic arm is arranged at the front end of the front lower supporting device, the front lower supporting device and the rear lower supporting device are respectively arranged at the front end and the rear end of the machine body, the travelling mechanism is arranged at the bottom of the machine body, the tailstock mechanism is arranged at the rear end of the rear lower supporting device, under the operation and control of an operator in the operating room and the regulation and control of the oil tank assembly, the hydraulic system and the electric cabinet, the telescopic arm enables a hook head to be over against the central position of a support base, the front lower supporting device and the rear lower supporting device are lowered to enable equipment to be stable, the telescopic arm, when the front and rear lower supporting devices are in a contraction state, the direction of the withdrawn support is consistent with the direction of the working surface by utilizing the swinging of the telescopic arm and the advancing adjustment of the crawler and the direction of the withdrawn support are dragged to the end of the working surface or a designated position, and after the work is finished, the hauler returns to the original path and pulls the shield frame to maintain the top plate above the withdrawn support. The multifunctional hauling vehicle can realize one-time removal of the hydraulic support, replaces a traditional winch and a single prop, completes the work of drawing out, adjusting and supporting the support, and hauls the removed support to a specified place, the action is coherent, the operation is smooth, the multifunctional hauling vehicle for removing the hydraulic support on the fully mechanized mining face has good effect, the manpower, material resources and operation cost are greatly reduced, and the work efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural view of a multifunctional hauling vehicle for removing a hydraulic support of a fully mechanized mining face provided by the invention;

FIG. 2 is a schematic view of the structure of FIG. 1 with a portion of the sheeting removed.

Wherein, 1-telescopic arm, 2-machine body, 3-front lower supporting device, 4-rear lower supporting device, 5-walking mechanism and 6-tailstock mechanism;

101-big arm, 102-small arm, 103-connecting seat, 104-rotating hook, 105-telescopic arm telescopic oil cylinder, 106-hinged lug seat, 107-telescopic arm lifting oil cylinder and 108-pin shaft; 201-an oil tank assembly, 202-a hydraulic system, 203-an electric cabinet, 204-a guard plate, 205-a revolving frame, 206-a revolving oil cylinder, 207-a motor pump station, 401-a rear support oil cylinder, 601-a control chamber, 602-a side support, 603-a side support oil cylinder and 604-a tailstock lifting oil cylinder.

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 order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

It should be noted that the terms "above, below, left side, right side" and the like in the following description are defined based on the drawings of the specification.

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a multifunctional haulage vehicle for removing a hydraulic support of a fully mechanized mining face provided by the invention; FIG. 2 is a schematic view of the structure of FIG. 1 with a portion of the sheeting removed.

The invention provides a multifunctional hauling vehicle for removing a hydraulic support of a fully mechanized mining surface, which is used for removing and transporting the hydraulic support of the fully mechanized mining surface to a designated place, and comprises a telescopic arm 1, a machine body 2 provided with an oil tank assembly 201, a hydraulic system 202 and an electric cabinet 203, a front lower supporting device 3, a rear lower supporting device 4, a travelling mechanism 5 and a tail frame mechanism 6; wherein, preceding under bracing device 3 and back under bracing device 4 branch are located the front and back both ends of fuselage 2, under bracing device 3 front side before flexible arm 1 locates, running gear 5 locates the 2 bottoms of fuselage, 2 rear ends of fuselage are located to tailstock mechanism 6, specifically be back under bracing device 4 rear end, tailstock mechanism 6 is equipped with control room 601 and both sides are equipped with side support 602, the inside oil tank subassembly 201 that is provided with of fuselage 2, hydraulic system 202 and electric cabinet 203, drive flexible arm 1 under its control and stretch out and draw back, go up and down and gyration and transfer to the action, and before removing and remove in preceding under bracing device 3, the action is strutted in the lift of back under bracing device 4 and side support 602 and remove the transportation action of back running gear 5, carry hydraulic support to the target site.

Further, the telescopic arm 1 comprises a large arm 101, a small arm 102, a connecting seat 103, a rotating hook 104, a pin 108, a telescopic arm telescopic cylinder 105, a hinged lug seat 106 and a telescopic arm lifting cylinder 107, the small arm 102 is mounted at the movable end of the telescopic arm telescopic cylinder 105 through the connecting seat 103, the rotating hook 104 is rotatably mounted at the front end of the small arm 102 through a shaft, the telescopic arm telescopic cylinder 105 is arranged at the large arm 101, the telescopic action of the small arm 102 relative to the large arm 101 inside the large arm 101 can be realized under the driving of the telescopic arm telescopic cylinder 105, in addition, the hinged lug seat 106 is arranged at the middle part of the large arm 101, one end of the telescopic arm lifting cylinder 107 is fixed at the machine body 2, the other end is connected with the hinged lug seat 106, the large arm 101 and the small arm 102 can be integrally lifted under the driving of the telescopic arm lifting cylinder 107, the length is further adjusted, the application range is increased, the rear part of the large arm 101 is, realize the rotary motion under the action of the driving force.

The machine body 2 comprises a guard plate 204, a front frame, a rear frame, a revolving frame 205 arranged on the front end face of the front frame, a revolving oil cylinder 206 and a motor pump station 207, wherein the front frame and the rear frame are welded and connected, all the parts are structurally connected to play a role of a framework and can protect internal parts, and the front frame and the rear frame are connected through a stable pin and a high-strength bolt; the rotary oil cylinder 206 is connected with the rotary frame 205, the motor pump station 207 comprises a motor, a distribution gear box, a walking pump, a main pump and a coupler, the motor and the distribution gear box are connected through the coupler and fixed on the front frame through a high-strength bolt, and the rotary oil cylinder 206 and the motor pump station 207 are driven to drive the rotary frame 205 to rotate.

The hydraulic system 202 is a hydraulic loop system composed of a traveling driving system and an oil cylinder control system, wherein the traveling driving system is a closed system and comprises two groups of closed pumps for supplying oil to the traveling mechanisms 5 on two sides of the frame, the oil cylinder control system is an open system and comprises a triple pump, the first triple pump is used for supplying oil to each oil cylinder, the second triple pump is used for supplying oil to the fan motor, the third triple pump is used for supplying oil to the drum motor, and the system working medium is N68# antiwear hydraulic oil; the hydraulic system 202 further includes a main pump, a main valve and a pilot valve for controlling the operation of the actuator, a hydraulic pilot console, a hydraulic motor, an oil cylinder, a cooler, and various oil pipe assemblies, joints, sealing members, filters, and pressure gauges: the hydraulic oil tank is designed to have a volume of 900L, hydraulic accessories such as a breather, a main return oil filter, a liquid level liquid thermometer and the like are arranged in a matched manner, a walking motor is an axial plunger motor, the walking reducer drives the whole machine to walk and turn, and a hydraulic system 202 can respectively drive a telescopic arm telescopic oil cylinder 105, a telescopic arm lifting oil cylinder 107 and a rotary oil cylinder 206 to realize telescopic motion, up-and-down lifting motion and left-and-right swinging, and telescopic lifting motions of a front upper supporting device, a front lower supporting device 3, a side supporting device 602 and a tail frame mechanism 6; the main valve is positioned in the machine body, and under the operation control of the pilot valve, each actuating mechanism generates corresponding action. The main pump is a variable swash plate type plunger pump and provides a hydraulic oil source for a main oil path and a control oil path.

Further, the motor pump station 207 is driven by a motor, three groups of hydraulic pumps are driven to rotate through a distribution gear box, the oil pumps respectively supply pressure oil to the traveling mechanism 5, hydraulic motors and oil cylinders of the radiator, eight main oil cylinders are provided in the vehicle, all the main oil cylinders are provided with safety balance valves, and when the hydraulic system 202 operates in a no-load mode, the bearing at the shaft end of each hydraulic pump can reach 60-80 degrees due to friction, and the normal phenomenon is achieved.

The middle-rear portion of frame is located to oil tank subassembly 201, also on the after-poppet, including the box, cover adorn in the apron at box top, install in the oil absorption filter, oil return filter and the air cleaner of box pipeline, realize the filtering to oil absorption and oil return in-process impurity through oil absorption filter and oil return filter, can filter the inside impurity of box through the air cleaner, promote fuel feeding efficiency.

The top of the cab is provided with a driver top cover, the driver top cover is connected with a top cover lifting oil cylinder, electric elements such as a protective door, an electric control button, an explosion-proof monitor and the like and a rubber tube bracket are arranged at the control position of the cab, four groups of hydraulic control pilot valves are arranged on the control console, the four groups of hydraulic control pilot valves comprise a group of two-linkage pilot valves, a group of three-linkage pilot valves, a group of four-linkage pilot valves and a group of five-linkage pilot valves, the two-linkage pilot valves respectively control the actions of a left walking mechanism 5 and a right walking mechanism 5, the three-linkage pilot valves respectively control the lifting, stretching and rotating actions of the suspension arm, the four-linkage pilot valves respectively control the lifting of four supporting oil cylinders, the five-linkage pilot valves respectively control the actions of two side supporting; in addition, five groups of pressure gauges are arranged on the operating platform and used for respectively displaying pilot control pressure, walking release pressure, two walking pressures and pressure of oil cylinder pumping pressure, and whether the hydraulic system 202 normally operates can be judged through reading of the pressure gauges; in addition, the console is designed according to human engineering, adopts a complete set of handles and valve banks, and has the advantages of attractive appearance, comfortable operation, reliable performance and convenient installation and maintenance.

In view of overload protection of the lift cylinder, an overload relief valve may be disposed inside the directional control valves of the cylinders, that is, the telescopic boom telescopic cylinder 105, the telescopic boom lift cylinder 107, the front support cylinder of the front lower support device, the rear support cylinder 401 of the rear lower support device, and the side supporter cylinder 603, to prevent damage caused by overload of the cylinders.

The front lower supporting device 3 and the rear lower supporting device 4 respectively comprise a supporting installation frame, a supporting outer barrel, a supporting inner barrel and a supporting oil cylinder, the supporting installation frame is fixed on the protection plate 204 through high-strength bolts, the supporting outer barrel is respectively connected with the supporting installation frame and the protection plate 204 through high-strength bolts, two ends of the supporting oil cylinder are respectively installed on the supporting outer barrel and the supporting inner barrel through pin shafts 108, and the supporting inner barrel is driven by the supporting oil cylinder to freely stretch and retract along the supporting outer barrel so as to realize stable supporting.

Above-mentioned tailstock mechanism 6 still includes tailstock support body, two side support ware 601, two tailstock hydro-cylinders, side support ware hydro-cylinder 603, the front end both sides of tailstock support body are connected with the support mounting bracket through round pin axle 108, two tailstock hydro-cylinders are located the middle lower part of tailstock support body, are used for driving the tailstock support body upwards to lift to a take the altitude, two side support ware 601 are located the both sides of tailstock support body and are realized concertina movement under the drive of side support ware hydro-cylinder 603.

In addition, tailstock mechanism 6 still is equipped with the cable device of rolling up, and this cable device of rolling up includes the cylinder, twines the cable of locating the cylinder and is used for driving the cylinder pivoted cable motor that rolls up, and the oil pump realizes the automation of rolling up the cable to transfer with pressure oil supply cable device respectively under the control of control room 601.

The traveling mechanism 5 comprises a driving wheel, a track chain arranged on the driving wheel, a hydraulic motor and a speed reducer which are used for providing driving force for the driving wheel, a track frame, a bearing wheel and a track tensioning mechanism, wherein the track chain and the track frame realize rolling type friction through the bearing wheel, the track tensioning mechanism comprises a tensioning wheel and a tensioning oil cylinder, the rear end of the tensioning wheel is locked through a clamping plate, the tensioning oil cylinder pushes the tensioning wheel to adjust the tightness of the track chain, the speed reducer is connected with the track frame through a high-strength bolt, and the track frame is connected with the rack through two hooks and vertical flat keys and fixes the two sides of the rack.

In addition, two sides of the rear part of the tailstock body are respectively provided with a side support 602, and the device can extend and retract under the action of side support oil cylinders 603 so as to improve the direction adjusting capability of the equipment.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The multifunctional hauling vehicle for removing the hydraulic support of the fully mechanized mining face provided by the invention is described in detail. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.