CN112477981A - Hydraulic steering brake system capable of achieving bidirectional driving and working method thereof - Google Patents

Hydraulic steering brake system capable of achieving bidirectional driving and working method thereof Download PDF

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Publication number
CN112477981A
CN112477981A CN202011574529.6A CN202011574529A CN112477981A CN 112477981 A CN112477981 A CN 112477981A CN 202011574529 A CN202011574529 A CN 202011574529A CN 112477981 A CN112477981 A CN 112477981A
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CN
China
Prior art keywords
steering
valve
shuttle valve
hydraulic
gearbox
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011574529.6A
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Chinese (zh)
Inventor
齐占波
山玉波
刘李璐
孙令慧
陈兴宝
孔杰
伦庆忠
李宗珠
张禄洲
管宜峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Haoji Mining Equipment Co ltd
Original Assignee
Jiangsu Haoji Mining Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Haoji Mining Equipment Co ltd filed Critical Jiangsu Haoji Mining Equipment Co ltd
Priority to CN202011574529.6A priority Critical patent/CN112477981A/en
Publication of CN112477981A publication Critical patent/CN112477981A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/061—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle provided with effort, steering lock, or end-of-stroke limiters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
    • B60T13/16—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using pumps directly, i.e. without interposition of accumulators or reservoirs
    • B60T13/168—Arrangements for pressure supply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/062—Details, component parts
    • B62D5/063—Pump driven by vehicle engine

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)

Abstract

The invention belongs to the technical field of application of crawler-type carriers for tunneling coal mine tunnels, and particularly discloses a hydraulic steering brake system capable of being driven in two directions, which comprises an energy accumulator, a reversing valve, a shuttle valve A, a shuttle valve B, a shuttle valve C, a shuttle valve D, a gearbox steering oil cylinder, a steering pump and a hydraulic oil tank which are used in a matched mode and connected through pipelines, wherein the steering pump is connected with a diesel engine, a piston rod of the gearbox steering oil cylinder respectively pushes a left steering fork and a right steering fork, the steering pump is connected with the energy accumulator, and a one-way valve is arranged on a connecting pipeline. The hydraulic steering brake system capable of driving in two directions and the working method thereof have the advantages that: the system is reasonable in design, efficient and accurate bidirectional driving control can be performed on the crawler-type carrier in the coal mining process, the labor intensity is reduced, the working efficiency is improved, and meanwhile, the control operation is safe and stable.

Description

Hydraulic steering brake system capable of achieving bidirectional driving and working method thereof
Technical Field
The invention belongs to the technical field of application of crawler-type carriers for coal mine roadway tunneling, and particularly relates to a hydraulic steering brake system capable of achieving bidirectional driving and a working method thereof.
Background
Along with the progress of economy and technology in recent years, the coal industry in China is rapidly developed, and the mechanization degree of coal mining is higher and higher.
In the process of underground roadway mining, the roadway head-on traditional mode of transporting materials is to use a mine car or manual direct transportation, the transportation mode is high in labor intensity, time and labor are wasted, and the production efficiency is greatly influenced, so that the crawler-type carrier which is small in size, high in applicability and capable of improving the transportation efficiency is designed to be an urgent problem to be solved.
At present, crawler-type carrier is in the form in-process in the pit, often receives the restraint of tunnel condition, and it turns round very hardly to turn to, so the operating system that need to design a can two-way driving.
In view of the above problems, the present invention provides a hydraulic steering brake system capable of bi-directional steering and a method for operating the same.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a hydraulic steering brake system capable of driving in two directions and a working method thereof, aiming at the defects of the prior art, the hydraulic steering brake system is reasonable in design, can be used for carrying out efficient, accurate and stable two-way driving control on a crawler-type carrier in the coal mining process, reduces the labor intensity and improves the working efficiency.
The technical scheme is as follows: the invention provides a hydraulic steering brake system capable of being driven in two directions, which comprises an energy accumulator, a reversing valve, a shuttle valve A, a shuttle valve B, a shuttle valve C, a shuttle valve D, a gearbox steering oil cylinder, a steering pump and a hydraulic oil tank which are used in a matched mode and connected through pipelines, wherein the steering pump is connected with a diesel engine, a piston rod of the gearbox steering oil cylinder pushes a left steering fork and a right steering fork respectively, the steering pump is connected with the energy accumulator, and the connecting pipelines are provided with one-way valves.
According to the technical scheme, the reversing valve is composed of a ball valve A and a ball valve B.
The invention provides a working method of a hydraulic steering brake system capable of being driven in two directions, which comprises the following steps that 1, an engine drives a steering pump to suck oil from a hydraulic oil tank and supply high-pressure oil to a reversing valve, and an outlet of the reversing valve is connected to a steering oil cylinder fixed on a gearbox through a shuttle valve A, a shuttle valve B, a shuttle valve C and a shuttle valve D in sequence. And 2, operating the reversing valve to enable a piston rod on one side of the steering oil cylinder to extend out to shift the steering fork on the side, so that the jaw inside the gearbox on the side can be separated, and the function of steering the equipment to the side is realized. And 3, when the two handles of the reversing valve are pushed forwards or pulled backwards simultaneously, service braking can be realized.
According to the technical scheme, parking braking is achieved through the energy storage device, when the ball valve A is opened, high-pressure hydraulic oil in the hydraulic oil tank can flow to the steering oil cylinder along a pipeline, two piston rods of the steering oil cylinder extend out simultaneously, and a left steering fork and a right steering fork of the gearbox are shifted simultaneously, so that parking braking can be achieved; when the parking brake is released, the ball valve A is closed, and the ball valve B is opened, so that the parking brake can be released.
Compared with the prior art, the hydraulic steering brake system capable of driving in two directions and the working method thereof have the advantages that: the system is reasonable in design, efficient and accurate bidirectional driving control can be performed on the crawler-type carrier in the coal mining process, the labor intensity is reduced, the working efficiency is improved, and meanwhile, the control operation is safe and stable.
Drawings
FIG. 1 is a schematic diagram of a bi-directionally drivable hydraulic steering brake system of the present invention;
FIG. 2 is a schematic illustration of the mounting portion of the present invention for use with a two-way steerable hydraulic steering brake system on a tracked vehicle;
FIG. 3 is a schematic top view of a bi-directional driver seat arrangement for a bi-directional steerable hydraulic steering brake system of the present invention.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
As shown in fig. 1, 2 and 3, the hydraulic steering brake system capable of driving in two directions comprises an energy accumulator, a reversing valve, a shuttle valve a, a shuttle valve B, a shuttle valve C, a shuttle valve D, a gearbox steering cylinder, a steering pump and a hydraulic oil tank which are used in cooperation and connected through a pipeline, wherein the steering pump is connected with a diesel engine, a piston rod of the gearbox steering cylinder respectively pushes a left steering fork and a right steering fork, the steering pump is connected with the energy accumulator, and a one-way valve is arranged on a connecting pipeline, so that high-pressure oil in the hydraulic oil tank can only flow to the energy accumulator.
Preferably, the reversing valve is composed of a ball valve A and a ball valve B, the reversing valve is a hydraulic control valve and is arranged in the middle of the control console, and both sides of the hydraulic control valve can be controlled, so that a bidirectional driving function is realized.
The invention relates to a working method of a hydraulic steering brake system capable of being driven in two directions, which comprises the following steps that 1, an engine drives a steering pump to suck oil from a hydraulic oil tank and supply the oil to a reversing valve high-pressure oil, and an outlet of the reversing valve is connected to a steering oil cylinder fixed on a gearbox through a shuttle valve A, a shuttle valve B, a shuttle valve C and a shuttle valve D in sequence. And 2, operating the reversing valve to enable a piston rod on one side of the steering oil cylinder to extend out to shift the steering fork on the side, so that the jaw inside the gearbox on the side can be separated, and the function of steering the equipment to the side is realized. And 3, when the two handles of the reversing valve are pushed forwards or pulled backwards simultaneously, service braking can be realized.
Preferably, the parking brake is realized through an energy accumulator, when the ball valve A is opened, high-pressure hydraulic oil in the hydraulic oil tank can flow to the steering oil cylinder along a pipeline, two piston rods of the steering oil cylinder extend out simultaneously, and a left steering fork and a right steering fork of the gearbox are shifted simultaneously, so that the parking brake can be realized; when the parking brake is released, the ball valve A is closed, and the ball valve B is opened, so that the parking brake can be released.
Examples
The left turn is taken as an example for explanation: high-pressure oil is reserved through a left steering A port of the reversing valve, sequentially flows through the shuttle valve A and the shuttle valve B along a pipeline, reaches the steering oil cylinder, enables a left side piston rod to extend out, and further stirs the steering fork to enable a left side jaw inside the gearbox to move leftwards and be disengaged from the central gear, and compresses the wet friction plate to achieve the purpose of locking a left side chain wheel, and the right side is still in a normal transmission state at the moment, so that the purpose of rotating the machine leftwards by taking the left side chain wheel as the center can be achieved.
As shown in fig. 3, when a driver sits on the seat A, the driver pushes the handle A forwards to turn left independently, pushes the handle B forwards to turn right independently, and pushes the two handles forwards simultaneously to realize service braking.
When a driver sits on the seat B, the handle B is pushed backwards alone to turn left, the handle A is pushed backwards alone to turn right, and the two handles are pushed backwards simultaneously to realize service braking.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.

Claims (4)

1. A hydraulic steering brake system capable of bi-directional steering, characterized in that: the steering system comprises an energy storage device, a reversing valve, a shuttle valve A, a shuttle valve B, a shuttle valve C, a shuttle valve D, a gearbox steering oil cylinder, a steering pump and a hydraulic oil tank which are used in a matched mode and connected through pipelines, wherein the steering pump is connected with a diesel engine, a piston rod of the gearbox steering oil cylinder pushes a left steering fork and a right steering fork respectively, the steering pump is connected with the energy storage device, and a one-way valve is arranged on a connecting pipeline.
2. A bi-directionally drivable hydraulic steering brake system as claimed in claim 1, wherein: the reversing valve consists of a ball valve A and a ball valve B.
3. The operating method of a bidirectional drivable hydraulic steering brake system as claimed in claim 2, characterized in that: comprises the following steps of (a) carrying out,
step 1, an engine drives a steering pump to suck oil from a hydraulic oil tank and supply the oil to a reversing valve high-pressure oil, and an outlet of the reversing valve is connected to a steering oil cylinder fixed on a gearbox through a shuttle valve A, a shuttle valve B, a shuttle valve C and a shuttle valve D in sequence;
step 2, operating the reversing valve to enable a piston rod on one side of the steering oil cylinder to extend out to shift the steering fork on the side, so that the jaw inside the gearbox on the side can be separated, and the function of steering the equipment to the side is realized;
and 3, when the two handles of the reversing valve are pushed forwards or pulled backwards simultaneously, service braking can be realized.
4. The operating method of a bidirectional drivable hydraulic steering brake system as claimed in claim 2, characterized in that: the parking brake is realized through an energy accumulator, when the ball valve A is opened, high-pressure hydraulic oil in a hydraulic oil tank can flow to the steering oil cylinder along a pipeline, two piston rods of the steering oil cylinder extend out simultaneously, and a left steering fork and a right steering fork of the gearbox are simultaneously shifted, so that the parking brake can be realized; when the parking brake is released, the ball valve A is closed, and the ball valve B is opened, so that the parking brake can be released.
CN202011574529.6A 2020-12-28 2020-12-28 Hydraulic steering brake system capable of achieving bidirectional driving and working method thereof Pending CN112477981A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011574529.6A CN112477981A (en) 2020-12-28 2020-12-28 Hydraulic steering brake system capable of achieving bidirectional driving and working method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011574529.6A CN112477981A (en) 2020-12-28 2020-12-28 Hydraulic steering brake system capable of achieving bidirectional driving and working method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114013416A (en) * 2021-12-06 2022-02-08 中国煤炭科工集团太原研究院有限公司 Hydraulic combined brake control system for negative motor of bidirectional driving electric shovel car

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200988512Y (en) * 2006-12-27 2007-12-12 江阴市卡利格机械有限公司 Two-way driving anti-explosion diesel engine transport vehicle for coal mine
CN201190788Y (en) * 2008-05-09 2009-02-04 中国人民解放军总装备部军械技术研究所 Explosion-proof, bidirectional driving, omnidirectional running side forklift hydraulic power transmission control system
CN102785694A (en) * 2012-08-11 2012-11-21 山西强力矿用设备制造有限公司 Hydraulic system for controlling vehicle to realize two-way travelling

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200988512Y (en) * 2006-12-27 2007-12-12 江阴市卡利格机械有限公司 Two-way driving anti-explosion diesel engine transport vehicle for coal mine
CN201190788Y (en) * 2008-05-09 2009-02-04 中国人民解放军总装备部军械技术研究所 Explosion-proof, bidirectional driving, omnidirectional running side forklift hydraulic power transmission control system
CN102785694A (en) * 2012-08-11 2012-11-21 山西强力矿用设备制造有限公司 Hydraulic system for controlling vehicle to realize two-way travelling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114013416A (en) * 2021-12-06 2022-02-08 中国煤炭科工集团太原研究院有限公司 Hydraulic combined brake control system for negative motor of bidirectional driving electric shovel car
CN114013416B (en) * 2021-12-06 2022-07-01 中国煤炭科工集团太原研究院有限公司 Hydraulic combined brake control system for negative motor of bidirectional driving electric shovel car

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