CN108457685A - One kind being based on monolithic processor controlled scale model hydraulic support - Google Patents

One kind being based on monolithic processor controlled scale model hydraulic support Download PDF

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Publication number
CN108457685A
CN108457685A CN201810218396.5A CN201810218396A CN108457685A CN 108457685 A CN108457685 A CN 108457685A CN 201810218396 A CN201810218396 A CN 201810218396A CN 108457685 A CN108457685 A CN 108457685A
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CN
China
Prior art keywords
pressure sensor
tail boom
control module
scale model
hydraulic support
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
CN201810218396.5A
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Chinese (zh)
Inventor
滕腾
倪晓燕
刘飞
龚鹏
冯宇
雷鸣
郭瑞
张磊
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China University of Mining and Technology Beijing CUMTB
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China University of Mining and Technology Beijing CUMTB
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Publication date
Application filed by China University of Mining and Technology Beijing CUMTB filed Critical China University of Mining and Technology Beijing CUMTB
Priority to CN201810218396.5A priority Critical patent/CN108457685A/en
Publication of CN108457685A publication Critical patent/CN108457685A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/16Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
    • E21D23/26Hydraulic or pneumatic control

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

One kind being based on monolithic processor controlled scale model hydraulic support, can solve the problems, such as the missing of holder in the experiment of prior art plane analog simulation and exist.Including supporting structure and control module, the supporting structure include face guard, forestope, top beam, front column, rear column, tail boom, it is telescopic put coal gate, tail boom jack and pedestal, the control module includes hydraulic hand-pump, electromagnetic valve, fluid pressure sensor, one-chip computer module, button-shaped pressure sensor and multichannel static strain acquisition system;The present invention provides hydraulic pressure by hydraulic hand-pump to scale model hydraulic support, pass through the hydraulic data of fluid pressure sensor and microcontroller automatic collection pillar, and realize that the constant-resistance of scale model hydraulic support supports by safety valve and buzzer, really reduce the internal structure and operation principle of actual bracket.The automatic collection to Face Pressure rule, supporter and rock coupling data may be implemented, there is important practical study guiding value.

Description

One kind being based on monolithic processor controlled scale model hydraulic support
Technical field
The present invention relates to mining and the intelligence manufacture fields of underground geotechnical engineering testing equipment, and in particular to one kind is for putting down The microcontroller of face analog simulation experiment controls hydraulic support.
Background technology
In mine resources recovery process, due to geology occurrence condition complicated and changeable, stope overlying strata migration rule, earth's surface Settling characteristics, mine pressure and its show and the missing of the key parameters such as holder-country rock coupling relationship drastically influences The safety in production of mine and high-yield and high-efficiency.The experiment of plane analog simulation converts engineering prototype to physics mould by the theory of similarity Type, the technical parameters such as ground settlement feature that can be preferably during simulation deposit mining and strata behaviors rule, clearly Chu intuitively demonstrates mining, has important practical study guiding value.In the exploitation process of coal seam, hydraulic support stand Stope roof and floor safeguards safety work space, elapses working face Harvesting equipment.Thus, hydraulic support was exploited in mine resources Cheng Zhong is played a crucial role.However, during areal model analog simulation is tested, since moulded dimension is smaller, number According to the influence of the factors such as acquisition difficulty, the effect of holder is had ignored substantially.Currently, the existing most structure letter of scale model holder Single, stent model data monitoring difficulty, the internal structure and operation principle gap with actual bracket are too big, serious to restrict to work The research of face strata pressure laws, holder-country rock coupling.
Invention content
It is proposed by the present invention a kind of based on monolithic processor controlled scale model hydraulic support, it can be tried in plane analog simulation Middle realization is tested to the automatic collection of Face Pressure rule, holder-country rock coupling data, prior art plane phase can be solved Like holder in simulation test missing and there are the problem of.
To achieve the above object, present invention employs following technical schemes:
One kind being based on monolithic processor controlled scale model hydraulic support, including supporting structure and control module, the holder Structure include face guard, forestope, top beam, front column, rear column, tail boom, it is telescopic put coal gate, tail boom jack and pedestal, The control module includes hydraulic hand-pump, electromagnetic valve, fluid pressure sensor, one-chip computer module, button-shaped pressure biography Sensor and multichannel static strain acquisition system;
Wherein, front column is arranged in pan frontward end, and rear column is arranged in middle-end, and rear end is hinged tail boom jack;
The top of front column and rear column is equipped with top beam, and top beam is connected by hinged with forestope and tail boom;
Coal gate is put in tail boom end equipped with telescopic, and telescopic coal gate of putting is connected by hinged with top beam and tail boom jack;
Forestope front end is equipped with face guard;
Front column, rear column, tail boom jack and face guard provide hydraulic pressure by hydraulic hand-pump respectively;
Hydraulic hand-pump and front column, rear column oil circuit between be equipped with electromagnetic valve, fluid pressure sensor;
Further include single chip control module, fluid pressure sensor and electromagnetic valve are logical with single chip control module respectively News connection;
Top beam and pedestal are equipped with button-shaped pressure sensor, button-shaped pressure sensor and multichannel static strain acquisition system System is connected.
Further, further include host computer, telecommunication unit is set in single chip control module, telecommunication unit passes through RS485 is connected with host computer.
Further, further include buzzer, single chip control module is connected with buzzer.
Further, the multichannel static strain acquisition system includes multichannel static strain testing instrument and computer, Multichannel static strain testing instrument is connected with computer communication, and button-shaped pressure sensor and multichannel static strain testing instrument connect It connects.
As shown from the above technical solution, the present invention proposes one kind and being based on monolithic processor controlled scale model hydraulic support, It is tested suitable for plane analog simulation.Hydraulic hand-pump provides hydraulic pressure to scale model hydraulic support, is sensed by Fluid pressure The hydraulic data of device and microcontroller automatic collection pillar, and pass through the perseverance of safety valve and buzzer realization scale model hydraulic support Resistance support, really reduces the internal structure and operation principle of actual bracket.Hydraulic support top beam and floor installation are button-shaped Pressure sensor, multichannel statical strain indicator protect the pressure data of set cap and pedestal by wireless real-time delivery to computer It deposits.
The automatic collection to Face Pressure rule, holder-country rock coupling data may be implemented in the present invention, has weight The practical study guiding value wanted.
Description of the drawings
Fig. 1 is the supporting structure schematic diagram of the present invention;
Fig. 2 is the structural schematic diagram of the multichannel static strain acquisition system of the present invention;
Fig. 3 is the control module block diagram of the present invention.
Specific implementation mode
The present invention will be further described below in conjunction with the accompanying drawings:
As shown in Figure 1, described in the present embodiment one based on monolithic processor controlled scale model hydraulic support, including holder knot Structure and control module, the supporting structure include face guard 1, forestope 2, top beam 3, front column 4, rear column 5, tail boom 6, stretch Formula puts coal gate 7, tail boom jack 8 and pedestal 9, and the control module includes hydraulic hand-pump, electromagnetic valve, Fluid pressure biography Sensor, one-chip computer module, button-shaped pressure sensor 10 and multichannel static strain acquisition system;
Wherein, front column 4 is arranged in 9 front end of pedestal, and rear column 5 is arranged in middle-end, and rear end is hinged tail boom jack 8;
The top of front column 4 and rear column 5 is equipped with top beam 3, and top beam 3 is connected by hinged with forestope 2 and tail boom 6;
Coal gate 7 is put in 6 end of tail boom equipped with telescopic, and telescopic coal gate 7 of putting passes through hinged and top beam 3 and tail boom jack 8 It is connected;
2 front end of forestope is equipped with face guard 1;Front column 4, rear column 5, tail boom jack 8 and face guard 1 are respectively by manual Hydraulic pump provides hydraulic pressure;
Hydraulic hand-pump and front column 4, rear column 5 oil circuit between be equipped with electromagnetic valve, fluid pressure sensor;
Further include single chip control module, fluid pressure sensor and electromagnetic valve are logical with single chip control module respectively News connection;
Top beam 3 and pedestal 9 are equipped with button-shaped pressure sensor 10, button-shaped pressure sensor 10 and multichannel static strain Acquisition system is connected.
Further include host computer, set telecommunication unit in single chip control module, telecommunication unit by RS485 with it is upper Position machine is connected.
Further include buzzer, single chip control module is connected with buzzer.
The multichannel static strain acquisition system includes multichannel static strain testing instrument 11 and computer 12, multichannel Static strain testing instrument 11 and the communication connection of computer 12, button-shaped pressure sensor 10 and multichannel static strain testing instrument 11 Connection.
The present embodiment is tested using plane analog simulation and converts engineering prototype to physical model by the theory of similarity.Flat During the analog simulation experiment of face, when coal seam open-off cut, which is arranged, to be completed, it is put into a model based on monolithic processor controlled similar Model hydraulic support.Hydraulic oil is injected to front column 4 and rear column 5 by hydraulic hand-pump, scale model hydraulic support just rises Originally scale model top plate is supportted, the number that fluid pressure sensor is sent is acquired by the fluid pressure detection unit in microcontroller According to realizing the on-line monitoring of Fluid pressure.As top beam sinks, holder gradually increases the support resistance of top beam, supports resistance When increasing to the warning value of setting, monolithic microcomputer kernel processor exports two control signals simultaneously, is controlled respectively to buzzer single Member and Electromgnetic seat valve control unit, VCU, two units are communicated by RS485 with host computer realization, and host computer sends instruction control bee Ring device work alarm opens electromagnetic valve to limit the pressure of hydraulic oil in front and back column, realizes constant-resistance support.
Face guard 1 and tail boom 6 are risen by hydraulic hand-pump, the true internal structure for restoring actual bracket and work are former Reason.In the process of scale model hydraulic support work, button-shaped pressure sensor 10 that top beam 3 and pedestal 9 are equipped with it is more Channel static strain testing instrument 11 is connected, and acquires top plate and bottom plate in real time and acts on top beam 3 and pressure data on pedestal 9 and lead to Wireless transmission to computer 12 is crossed to preserve.
When moving frame, release the hydraulic oil in front and back column, drop contracting column, make scale model hydraulic support unload and top plate, Bottom plate is detached from, then passage scale model hydraulic support to corresponding position, and operation more than repetition is until experiment terminates.
The present embodiment may be implemented, to the automatic collection of Face Pressure rule, holder-country rock coupling data, to have Important practical study guiding value.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention It encloses and is defined, under the premise of not departing from design spirit of the present invention, technical side of the those of ordinary skill in the art to the present invention The various modifications and improvement that case is made, should all fall within the scope of protection of the present invention.

Claims (4)

1. one kind being based on monolithic processor controlled scale model hydraulic support, including supporting structure and control module, it is characterised in that: The supporting structure includes face guard (1), forestope (2), top beam (3), front column (4), rear column (5), tail boom (6), stretches Formula puts coal gate (7), tail boom jack (8) and pedestal (9), and the control module includes hydraulic hand-pump, electromagnetic valve, fluid Pressure sensor, one-chip computer module, button-shaped pressure sensor (10) and multichannel static strain acquisition system;
Wherein, rear column (5) is arranged in pedestal (9) front end setting front column (4), middle-end, and rear end is hinged tail boom jack (8);
The top of front column (4) and rear column (5) is equipped with top beam (3), and top beam (3) passes through hinged and forestope (2) and tail boom (6) It is connected;
Tail boom (6) end be equipped with it is telescopic put coal gate (7), it is telescopic put coal gate (7) pass through it is hinged very heavy with top beam (3) and tail boom (8) are pushed up to be connected;
Forestope (2) front end is equipped with face guard (1);
Front column (4), rear column (5), tail boom jack (8) and face guard (1) provide hydraulic pressure by hydraulic hand-pump respectively;
Hydraulic hand-pump and front column (4), rear column (5) oil circuit between be equipped with electromagnetic valve, fluid pressure sensor;
Further include single chip control module, fluid pressure sensor and electromagnetic valve are communicated with single chip control module respectively to be connected It connects;
Top beam (3) and pedestal (9) are equipped with button-shaped pressure sensor (10), and button-shaped pressure sensor (10) and multichannel are static Strain acquisition system is connected.
2. according to claim 1 be based on monolithic processor controlled scale model hydraulic support, it is characterised in that:On further including Position machine, sets telecommunication unit in single chip control module, telecommunication unit is connected by RS485 with host computer.
3. according to claim 1 be based on monolithic processor controlled scale model hydraulic support, it is characterised in that:It further include bee Ring device, and single chip control module is connected with buzzer.
4. according to claim 1-3 any one based on monolithic processor controlled scale model hydraulic support, feature exists In:The multichannel static strain acquisition system includes multichannel static strain testing instrument (11) and computer (12), multichannel Static strain testing instrument (11) and computer (12) communication connection, button-shaped pressure sensor (10) and multichannel static strain are surveyed Instrument (11) is tried to connect.
CN201810218396.5A 2018-03-16 2018-03-16 One kind being based on monolithic processor controlled scale model hydraulic support Pending CN108457685A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109339843A (en) * 2018-09-05 2019-02-15 安徽理工大学 A kind of support running gear excavated suitable for analog simulation coal rock layer
CN114215564A (en) * 2021-12-15 2022-03-22 北京康宁电通科技发展有限公司 Intelligent early warning method for coal mine support equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2420422Y (en) * 2000-02-20 2001-02-21 兖矿集团有限公司 Automatic controlled top coal working rack
CN102279125A (en) * 2011-06-28 2011-12-14 中国瑞林工程技术有限公司 Test device and method for simulating mechanical action process of supporting of filling body on ore pillar
CN102392668A (en) * 2011-10-20 2012-03-28 宁波长壁流体动力科技有限公司 Electronic control system for coal extraction
CN105781602A (en) * 2016-03-18 2016-07-20 西安科技大学 Simulating hydraulic support applicable to coal face
CN205422784U (en) * 2016-03-16 2016-08-03 河南工程学院 Novel low level caving coal hydraulic support

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2420422Y (en) * 2000-02-20 2001-02-21 兖矿集团有限公司 Automatic controlled top coal working rack
CN102279125A (en) * 2011-06-28 2011-12-14 中国瑞林工程技术有限公司 Test device and method for simulating mechanical action process of supporting of filling body on ore pillar
CN102392668A (en) * 2011-10-20 2012-03-28 宁波长壁流体动力科技有限公司 Electronic control system for coal extraction
CN205422784U (en) * 2016-03-16 2016-08-03 河南工程学院 Novel low level caving coal hydraulic support
CN105781602A (en) * 2016-03-18 2016-07-20 西安科技大学 Simulating hydraulic support applicable to coal face

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109339843A (en) * 2018-09-05 2019-02-15 安徽理工大学 A kind of support running gear excavated suitable for analog simulation coal rock layer
CN114215564A (en) * 2021-12-15 2022-03-22 北京康宁电通科技发展有限公司 Intelligent early warning method for coal mine support equipment
CN114215564B (en) * 2021-12-15 2023-11-28 北京康宁电通科技发展有限公司 Intelligent early warning method for coal mine supporting equipment

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Application publication date: 20180828