CN209757120U - Endless rope hydraulic braking shuttle car control device - Google Patents
Endless rope hydraulic braking shuttle car control device Download PDFInfo
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- CN209757120U CN209757120U CN201920262712.9U CN201920262712U CN209757120U CN 209757120 U CN209757120 U CN 209757120U CN 201920262712 U CN201920262712 U CN 201920262712U CN 209757120 U CN209757120 U CN 209757120U
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- shuttle car
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- hydraulic braking
- explosion
- braking
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Abstract
An endless rope hydraulic braking shuttle car control device belongs to the technical field of shuttle car control and comprises a track and a shuttle car, wherein the shuttle car is matched with the track through four rollers, Hall sensors are respectively arranged on a left front roller and a right rear roller of the shuttle car, and a master control box, a mining battery box and a hydraulic braking actuator are arranged on the shuttle car; the main control box comprises a shell and a display screen, keys and an indicator lamp which are arranged on the shell, the shell is divided into a flameproof cavity, an intrinsic safety cavity and a flameproof wiring cavity, a power supply module and a relay are installed in the flameproof cavity, a main control board is installed in the intrinsic safety cavity, a plurality of wall penetrating terminals are installed on the side wall of the intrinsic safety cavity, the power supply module is connected with the power supply end of the main control board, and the keys, the display screen, the indicator lamp and the two Hall sensors are respectively connected with the wiring terminals of the main. The double-Hall sensor is adopted to detect the speed of the shuttle car roller, so that misoperation or no action caused by inaccurate detection is avoided, the pressure of the energy accumulator is detected at any time, the manual pump pressurization and hydraulic braking can be realized, the sensitivity is high, and the braking is safe and reliable.
Description
Technical Field
The utility model belongs to the technical field of the shuttle car control, specific endless rope hydraulic braking shuttle car controlling means that says so.
Background
The endless rope continuous tractor is a simple and efficient underground coal mine auxiliary transportation tool and is generally applied to underground coal mines in China, but due to the fact that when the endless rope shuttle car slips and breaks a rope, correct speed cannot be calculated through electric control, the common shuttle car is not provided with a device for accurately calculating the speed, and the shuttle car cannot be triggered to brake when the speed is too high, so that accidents are caused occasionally. The brake car on foreign rail clamping car realizes the overspeed brake by applying the centrifugal release device to detect the overspeed, however, the centrifugal release technology in China is very immature, and the malfunction often occurs. The overspeed protection of the domestic endless rope continuous tractor is realized by an insertion grabbing type, and the reliability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve endless rope continuous tractor and skid, when disconnected rope, shuttle car itself does not have the device of accurate calculation speed, can not trigger the shuttle car braking during the overspeed to cause accident and endless rope continuous tractor overspeed protection and realize through inserting the formula of grabbing, the poor problem of reliability, the utility model provides an endless rope hydraulic braking shuttle car controlling means.
The utility model discloses a realize through following technical scheme.
The endless rope hydraulic braking shuttle car control device is characterized by comprising a track and a shuttle car on the track, wherein the shuttle car is matched with the track through four rollers at the bottom, Hall sensors are respectively arranged on a left front roller and a right rear roller of the shuttle car, and a master control box, a mining battery box for providing power supply and a hydraulic braking actuator for braking are arranged on the shuttle car; the main control box comprises a shell and a display screen, keys and an indicator lamp which are arranged on the shell, the shell is divided into an explosion-proof cavity, an intrinsic safety cavity and an explosion-proof wiring cavity, a power module and a relay which are connected with the mining battery box are installed in the explosion-proof cavity, a main control board is installed in the intrinsic safety cavity, a plurality of wall penetrating terminals are installed on the side wall of the intrinsic safety cavity, the power supply end of the main control board is connected with the power module, and the keys, the display screen, the indicator lamp and the two Hall sensors are respectively connected with a main control board wiring terminal.
The endless rope hydraulic braking shuttle car control device comprises a hydraulic braking actuator, a pressure transmitter, four braking oil cylinders, a high-pressure ball valve, an explosion-proof battery ball valve, a manual pump, an air filter and a liquid level meter, wherein the hydraulic braking actuator comprises an energy accumulator and four braking oil cylinders which are respectively connected with four rollers, the energy accumulator is connected with the pressure transmitter through a pressure measuring hose, the four braking oil cylinders are connected in parallel, the energy accumulator and the four braking oil cylinders are sequentially provided with the high-pressure ball valve and the explosion-proof battery ball valve through pipelines, the middle of the high-pressure ball valve and the explosion-proof battery ball valve is connected with the manual pump through a pipeline.
The utility model has the advantages that: 1. the double Hall sensors are adopted to accurately detect the speed of the shuttle car roller, so that the Hall sensor fault self-checking is realized in the operation process, the misoperation or no action caused by inaccurate overspeed detection is avoided, and the reliability of the device is greatly improved; 2. when the pressure does not reach the standard, light indication is carried out to prompt a worker to carry out manual pump pressurization; 3. hydraulic braking, good braking capability, high sensitivity and safe and reliable braking.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic diagram of the internal structure of the main control box of the present invention.
Fig. 4 is a schematic structural diagram of the hydraulic brake actuator of the present invention.
In the drawings: 1. the explosion-proof electromagnetic ball valve comprises a main control box, 11, a shell, 12, an explosion-proof cavity, 13, an intrinsic safety cavity, 14, an explosion-proof wiring cavity, 15, a display screen, 16, a power module, 17, a main control board, 18, a relay, 19, a wall penetrating terminal, 2, a mining battery box, 3, a Hall sensor, 4, a pressure transmitter, 5, a shuttle car, 6, a track, 7, a hydraulic brake actuator, 71, a liquid level meter, 72, an air filter, 73, a manual pump, 74, a high-pressure ball valve, 75, an energy accumulator, 76, a brake oil cylinder, 77 and an explosion-proof electromagnetic ball valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the attached drawings, the endless rope hydraulic braking shuttle car control device comprises a track 6 and a shuttle car 5 which is matched with the track 6 through four rollers, wherein hall sensors 3 are respectively arranged on a left front roller and a right rear roller of the shuttle car 5, and a master control box 1, a mining battery box 2 for providing power supply and a hydraulic braking actuator 7 for braking are arranged on the shuttle car 5; the main control box 1 include display screen 15, button and pilot lamp on casing 11 and the casing 11, casing 11 is cut apart into explosion-proof chamber 12, this ampere of chamber 13 and explosion-proof wiring chamber 14, install power module 16 and relay 18 of being connected with mining battery box 2 in the explosion-proof chamber 12, install main control board 17 in this ampere of chamber 13, a plurality of wall terminals 19 of wearing are installed to this ampere of chamber 13 lateral wall, power module 16 is connected to main control board 17 power supply end, button, display screen 15, pilot lamp and two hall sensor 3 be connected with main control board 17 binding post respectively. Hydraulic brake executor 7 include energy storage 75 and four brake cylinder 76 of being connected with four gyro wheels respectively, energy storage 75 is connected with pressure transmitter 4 through the pressure measurement hose, four brake cylinder 76 parallel connection, loop through pipe mounting between energy storage 75 and four brake cylinder 76 and have high-pressure ball valve 74 and explosion-proof battery ball valve 77, there is hand pump 73 through the pipe connection in the middle of high-pressure ball valve 74 and the explosion-proof battery ball valve 77, air cleaner 72 and level gauge 71 are installed to the hand pump 73 other end, pressure transmitter 4 and explosion-proof battery ball valve 77 all be connected to main control board 17 binding post.
The control device for the endless rope hydraulic braking shuttle car adopts a mining battery box 2 for supplying power, a singlechip type main control board 17 is a control core of the control device, parameter setting is carried out through buttons, a liquid crystal display screen displays relevant parameters, double-speed real-time monitoring is carried out through double Hall sensors 3 of a left front roller and a right rear roller of the shuttle car 5, fault self-checking of the Hall sensors 3 is realized according to speed differentiation, overspeed caused by emergency situations such as rope breakage and the like in the running process of the shuttle car 5 is detected and alarmed, and a hydraulic braking actuator 7 is driven to emergently brake the shuttle car 5 (four braking oil cylinders 76 are controlled to act through hydraulic pressure of an energy accumulator 75 through a high-pressure ball valve 74 and an explosion-proof electromagnetic ball valve 77 for braking); meanwhile, the single-chip microcomputer main control board 17 acquires a pressure signal of the energy accumulator 75 detected by the pressure transmitter 4, so that real-time pressure detection of the energy accumulator 75 is realized, and when the pressure of the energy accumulator 75 does not reach the standard, the indicator light changes color to prompt a worker to carry out pressurization through the manual pump 73; the mining battery box 2 is used for supplying power, when the shuttle car 5 is static, the single chip microcomputer main control board 17 enters a dormant state, the shuttle car 5 interrupts the dormancy through the transmission electric signal of the double Hall sensors 3 when running, the single chip microcomputer main control board 17 is awakened, the liquid crystal display screen 15 detects and displays the electric quantity of the battery, and the battery is also in a standby state at ordinary times and is lightened when needed.
The endless rope hydraulic braking shuttle car control device has multiple functions of double Hall sensor speed real-time detection, Hall sensor fault self-detection, braking system energy accumulator pressure detection, hydraulic braking, overspeed detection alarm, power supply battery power detection and display, low-power consumption dormancy awakening and the like, and adopts hydraulic braking, so that the endless rope hydraulic braking shuttle car control device is good in braking capacity, high in sensitivity, and safe and reliable in braking.
Claims (2)
1. An endless rope hydraulic braking shuttle car control device is characterized by comprising a track (6) and a shuttle car (5) on the track (6), wherein the shuttle car (5) is matched with the track (6) through four rollers at the bottom, Hall sensors (3) are respectively arranged on a left front roller and a right rear roller of the shuttle car (5), and a master control box (1), a mining battery box (2) for providing a power supply and a hydraulic braking actuator (7) for braking are arranged on the shuttle car (5); main control box (1) display screen (15), button and pilot lamp on including casing (11) and casing (11), casing (11) are cut apart into explosion-proof chamber (12), this ampere of chamber (13) and explosion-proof wiring chamber (14), install power module (16) and relay (18) of being connected with mining battery box (2) in explosion-proof chamber (12), install main control board (17) in this ampere of chamber (13), a plurality of wall terminals (19) of wearing are installed to this ampere of chamber (13) lateral wall, main control board (17) power supply end connection power module (16), button, display screen (15), pilot lamp and two hall sensor (3) be connected with main control board (17) binding post respectively.
2. The endless rope hydraulic braking shuttle car control device according to claim 1, wherein the hydraulic braking actuator (7) comprises an energy accumulator (75) and four braking cylinders (76) respectively connected with four rollers, the energy accumulator (75) is connected with a pressure transmitter (4) through a pressure measuring hose, the four braking cylinders (76) are connected in parallel, a high-pressure ball valve (74) and an explosion-proof battery ball valve (77) are sequentially installed between the energy accumulator (75) and the four braking cylinders (76) through pipelines, a manual pump (73) is connected between the high-pressure ball valve (74) and the explosion-proof battery ball valve (77) through a pipeline, an air filter (72) and a liquid level meter (71) are installed at the other end of the manual pump (73), and the pressure transmitter (4) and the explosion-proof battery ball valve (77) are both connected to a main control board (17) wiring terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920262712.9U CN209757120U (en) | 2019-03-01 | 2019-03-01 | Endless rope hydraulic braking shuttle car control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920262712.9U CN209757120U (en) | 2019-03-01 | 2019-03-01 | Endless rope hydraulic braking shuttle car control device |
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| Publication Number | Publication Date |
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| CN209757120U true CN209757120U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920262712.9U Active CN209757120U (en) | 2019-03-01 | 2019-03-01 | Endless rope hydraulic braking shuttle car control device |
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| CN (1) | CN209757120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115743219A (en) * | 2022-10-31 | 2023-03-07 | 河北煤炭科学研究院有限公司 | Safety braking system of hydraulic braking tractor |
-
2019
- 2019-03-01 CN CN201920262712.9U patent/CN209757120U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115743219A (en) * | 2022-10-31 | 2023-03-07 | 河北煤炭科学研究院有限公司 | Safety braking system of hydraulic braking tractor |
| CN115743219B (en) * | 2022-10-31 | 2024-04-16 | 河北煤炭科学研究院有限公司 | Safety braking system of hydraulic braking tractor |
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