CN203222428U - Coal mine downhole-filling hydraulic dual-track crane trolley and hydraulic control system thereof - Google Patents

Coal mine downhole-filling hydraulic dual-track crane trolley and hydraulic control system thereof Download PDF

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Publication number
CN203222428U
CN203222428U CN 201320116620 CN201320116620U CN203222428U CN 203222428 U CN203222428 U CN 203222428U CN 201320116620 CN201320116620 CN 201320116620 CN 201320116620 U CN201320116620 U CN 201320116620U CN 203222428 U CN203222428 U CN 203222428U
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CN
China
Prior art keywords
track
hydraulic
wheel
suspended
car
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Expired - Fee Related
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CN 201320116620
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Chinese (zh)
Inventor
宋志安
闫相宏
宋嘉
于晓
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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Priority to CN 201320116620 priority Critical patent/CN203222428U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a coal mine downhole-filling hydraulic dual-track crane trolley and a hydraulic control system thereof. The coal mine downhole-filling hydraulic dual-track crane trolley comprises two I-shaped steel tracks, trolleys and a PLC (Programmable Logic Controller) controller, wherein the trolleys are suspended on the two I-shaped steel tracks; the two I-shaped steel tracks are arranged in parallel and suspended on a top plate through anchor rods; one trolley is suspended on each I-shaped steel track, and the trolley is suspended on the I-shaped steel track through a load-bearing bogie; each trolley is connected with a steel rope through a traction mechanism; one end of the steel rope is connected with the trolley, and the other end of the steel rope is connected with a hydraulic station through a guide wheel and a friction wheel; the friction wheel is driven by a low-speed large-torque motor; the hydraulic station is a closed system which comprises a variable displacement pump and a constant displacement motor and can realize constant-power speed regulation; the constant displacement motor is provided with a speed sensor used for detecting the rotating speed of the constant displacement motor; the PLC controller controls the travelling of the trolleys through the rotating speed detected through the speed sensor.

Description

A kind of coal mine retrofilling hydraulic pressure double track suspension transferring machine car and hydraulic control system thereof
Technical field
The utility model relates to a kind of coal mine retrofilling hydraulic pressure double track suspension transferring machine car and the handling locomotive is carried out the control system of fluid control.
Background technology
The coal mine retrofilling is that coal mine waste rock etc. is backfilling into the goaf, to reduce ground settlement, realizes the green exploitation of coal, and this is the developing direction of following coal mining.
Existing filling method is by lay the mode of track on the base plate, use mine car or other means of delivery carry coal spoils, lay the cost height of track, take the space of down-hole, can't implement at a lot of narrower driving surfaces at all.What is more important can't be laid ground rail near the goaf, therefore, after gangue is transported to the down-hole, also need to use other transportation meanss, even use the mode of artificial lift to move to carry out the filling in goaf.Not only fillup efficiency is low, and safety misadventure also takes place easily, serious even life securities harm underground work personnel.
The utility model content
For addressing the above problem, the utility model proposes a kind of coal mine retrofilling hydraulic pressure double track suspension transferring machine car and hydraulic control system thereof, described coal mine retrofilling hydraulic pressure double track suspension transferring machine car comprises two i-beam tracks, hangs in orbit mine car and PLC controller;
Described two i-beam tracks be arranged in parallel, be suspended on the top board by anchor pole, suspention has a described mine car on every i-beam track, described mine car is suspended on the described i-beam track by the carrying dolly, described carrying dolly comprises walking roller and guide roller, and described walking roller is symmetrical arranged along track, is used for carrying, described guide roller is symmetrical arranged along track, is used for preventing that mine car from swinging;
Described mine car is connected with steel rope by trailer coupling, and described steel rope one end connects described mine car, and the other end is connected Hydraulic Station by track adjusting wheel with friction wheel, and described friction wheel is driven by low-speed big torque motor;
Described Hydraulic Station is the closed system that comprises controllable capacity pump and fixed displacement motor, can realize speed control by constant power, described fixed displacement motor is provided with the speed sensor for detection of described fixed displacement motor rotating speed, and the rotating speed that described PLC controller detects by described speed sensor is controlled the operation of mine car.
Preferred described Hydraulic Station is fixed on an end of described i-beam track by fixing pile.
Preferably between track adjusting wheel and friction wheel, be provided with tension wheel, described steel rope contact tension wheel, described tension wheel has two, is provided with tensioning hydro-cylinder between two tension wheels;
Preferred described tensioning hydro-cylinder is single acting oil cylinder.
Hydraulic control system in the above-mentioned coal mine retrofilling hydraulic pressure double track suspension transferring machine car comprises the closed system that controllable capacity pump and fixed displacement motor are formed, and described controllable capacity pump is driven by fire proof motor, and its oil circuit is provided with slippage pump and complementary pump;
Described slippage pump has following function: thus 1. the passing ratio reducing valve is controlled the speed governing to system to controllable capacity pump; 2. by check valve described closed system is mended into cold oil;
Described complementary pump has following function: 1. handle combine valve, finish that fixedly pile is to the support of top board, fixedly the pile cavity of resorption is controlled by hydraulic control one-way valve, even system decompression also can keep supporting; 2. control the flexible of tensioning hydro-cylinder, guaranteed to have on the friction wheel friction force of enough traction mine cars.
Advantage of the present utility model is: on the top board of the most of parts suspention of locomotive, save the installing space of down-hole; Have friction wheel, it is longer that track also arranges, and is suitable for long-distance transportation; By the friction force on the tension wheel control friction wheel, safe and reliable; The tension force of tension wheel is controlled by tensioning hydro-cylinder, and adjustable size is taken into account safety and the work efficiency of system; Slippage pump and complementary pump that one pump is used more are set in the hydraulic control system, simple in structure, easy to use.
Description of drawings
Fig. 1 is the birds-eye view of coal mine retrofilling hydraulic pressure double track suspension transferring machine car described in the utility model;
Fig. 2 is the lateral plan of coal mine retrofilling hydraulic pressure double track suspension transferring machine car described in the utility model.
Reference numeral is as follows:
1-is pile fixedly; The 2-Hydraulic Station; The 3-friction wheel; The first fixed end of 4-; The 5-anchor pole; The 6-steel rope; The 7-trailer coupling; 8-carries dolly; 9-mine car (first); The 10-i-beam track; 11-mine car (second); 12-end fixed end; The 13-track adjusting wheel; The 14-tensioning hydro-cylinder; The 15-tension wheel.
The specific embodiment
Referring to Fig. 1 and Fig. 2, it has described a preferred embodiment according to coal mine retrofilling hydraulic pressure double track suspension transferring machine car described in the utility model.Coal mine retrofilling hydraulic pressure double track suspension transferring machine car comprises two i-beam tracks, hangs in orbit mine car and PLC controller; Article two, i-beam track be arranged in parallel, all is suspended on the top board by anchor pole, and the two ends of i-beam track are respectively arranged with first fixed end and last fixed end, prevents that mine car from deviating from.Suspention has a mine car on every i-beam track, mine car is suspended on the i-beam track by the carrying dolly, the carrying dolly comprises walking roller and guide roller, and walking roller is symmetrical arranged along track, preferably has 8,4 on every limit, walking roller is separately positioned on the two ends up and down of i-beam track seamed edge, is used for the carrying mine car and mine car can be moved along track, and guide roller is symmetrical arranged along track equally, preferred its favours the moving direction setting of mine car, is used for preventing that mine car from swinging.
Mine car is provided with trailer coupling, trailer coupling is connected with steel rope, the other end of steel rope is connected Hydraulic Station through track adjusting wheel with friction wheel, wherein track adjusting wheel is arranged on an end of track, every the track correspondence arranges a track adjusting wheel, friction wheel has only one, and it is driven by low-speed big torque motor, and speed and torque rating are as the criterion with the normal operation that can satisfy mine car.
Hydraulic Station provides hydraulic power for the operation of mine car, preferably be fixed on an end of i-beam track by fixing pile, fixedly top board is inserted in the upper end of pile, the lower end is fixed on the base plate, Hydraulic Station is the closed system that comprises controllable capacity pump and fixed displacement motor, can realize speed control by constant power, fixed displacement motor is provided with the speed sensor for detection of its rotating speed, the rotating speed that described PLC controller detects by speed sensor, the running velocity of mine car just, control the operation of mine car, comprise mine car acceleration, travel at the uniform speed, slow down and stop.
Be the friction force on the control friction wheel, between track adjusting wheel and friction wheel, be provided with tension wheel, steel rope is by after the track adjusting wheel, connect friction wheel again through tension wheel, tension wheel has two, is provided with tensioning hydro-cylinder between two tension wheels, is preferably single acting oil cylinder, the tensioning degree of the extension and contraction control steel rope by tensioning hydro-cylinder, thus friction wheel upper end friction force influenced.
Hydraulic control system in the above-mentioned coal mine retrofilling hydraulic pressure double track suspension transferring machine car comprises the closed system that controllable capacity pump and fixed displacement motor are formed, and described controllable capacity pump is driven by fire proof motor, and its oil circuit is provided with slippage pump and complementary pump;
Described slippage pump has following function: thus 1. the passing ratio reducing valve is controlled the speed governing to system to the liquid in-out of controllable capacity pump; 2. by check valve described closed system is mended into cold oil;
Described complementary pump has following function: 1. handle combine valve, finish that fixedly pile is to the support of top board, fixedly the pile cavity of resorption is controlled by hydraulic control one-way valve, even system decompression also can keep supporting; 2. control the flexible of tensioning hydro-cylinder, guaranteed to have on the friction wheel friction force of enough traction mine cars.
How realize that by being connected of pump and valve above-mentioned functions is technology well known in the art, will not tire out at this and state.
The above; it only is the preferable specific embodiment of the utility model patent; but the protection domain of the utility model patent is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model patent discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model patent.

Claims (5)

1. a coal mine retrofilling hydraulic pressure double track suspension transferring machine car is characterized in that: comprise two i-beam tracks, hang in orbit mine car and PLC controller;
Described two i-beam tracks be arranged in parallel, be suspended on the top board by anchor pole, suspention has a described mine car on every i-beam track, described mine car is suspended on the described i-beam track by the carrying dolly, described carrying dolly comprises walking roller and guide roller, described walking roller is symmetrical arranged along track, and described guide roller is symmetrical arranged along track;
Described mine car is connected with steel rope by trailer coupling, and described steel rope one end connects described mine car, and the other end is connected Hydraulic Station by track adjusting wheel with friction wheel, and described friction wheel is driven by low-speed big torque motor;
Described Hydraulic Station is the closed system that comprises controllable capacity pump and fixed displacement motor, and described fixed displacement motor is provided with the speed sensor for detection of described fixed displacement motor rotating speed.
2. handling locomotive as claimed in claim 1 is characterized in that: described Hydraulic Station is fixed on an end of described i-beam track by fixing pile.
3. handling locomotive as claimed in claim 1 is characterized in that: between track adjusting wheel and friction wheel, be provided with tension wheel, and described steel rope contact tension wheel, described tension wheel has two, is provided with tensioning hydro-cylinder between two tension wheels.
4. handling locomotive as claimed in claim 3, it is characterized in that: described tensioning hydro-cylinder is single acting oil cylinder.
5. one kind is used for the hydraulic control system of arbitrary described coal mine retrofilling hydraulic pressure double track suspension transferring machine car wherein as claim 1-4, it is characterized in that:
Comprise the closed system that controllable capacity pump and fixed displacement motor are formed, described controllable capacity pump is driven by fire proof motor, and its oil circuit is provided with slippage pump and complementary pump.
CN 201320116620 2013-03-14 2013-03-14 Coal mine downhole-filling hydraulic dual-track crane trolley and hydraulic control system thereof Expired - Fee Related CN203222428U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320116620 CN203222428U (en) 2013-03-14 2013-03-14 Coal mine downhole-filling hydraulic dual-track crane trolley and hydraulic control system thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320116620 CN203222428U (en) 2013-03-14 2013-03-14 Coal mine downhole-filling hydraulic dual-track crane trolley and hydraulic control system thereof

Publications (1)

Publication Number Publication Date
CN203222428U true CN203222428U (en) 2013-10-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103213906A (en) * 2013-03-14 2013-07-24 山东科技大学 Underground coal mine hydraulic filling double track lifting locomotive and hydraulic control system thereof
CN104129728A (en) * 2014-08-20 2014-11-05 国家电网公司 Full-hydraulic split type cableway traction machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103213906A (en) * 2013-03-14 2013-07-24 山东科技大学 Underground coal mine hydraulic filling double track lifting locomotive and hydraulic control system thereof
CN104129728A (en) * 2014-08-20 2014-11-05 国家电网公司 Full-hydraulic split type cableway traction machine

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131002

Termination date: 20140314

C17 Cessation of patent right