CN201574989U - Mine-used cableway hydraulic station with double power and double braking - Google Patents
Mine-used cableway hydraulic station with double power and double braking Download PDFInfo
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- CN201574989U CN201574989U CN2009202596733U CN200920259673U CN201574989U CN 201574989 U CN201574989 U CN 201574989U CN 2009202596733 U CN2009202596733 U CN 2009202596733U CN 200920259673 U CN200920259673 U CN 200920259673U CN 201574989 U CN201574989 U CN 201574989U
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Abstract
The utility model discloses a mine-used cableway hydraulic station with double power and double braking. The hydraulic station comprises double motors, double closed pumps and a hydraulic driving system, wherein a high-speed end hydraulic braking system and a low-speed end hydraulic braking system are connected on the hydraulic driving system. The utility model has the following benefits: the hydraulic station adopts a double-power hydraulic driving system; when the double power works at the same time, the operation speed of a cableway is higher, so that a reliable braking system is needed; a low-speed end brake can effectively brake a drive wheel and a high-speed end brake can effectively brake a hydraulic motor; and when one brake is in failure and fails to take the effect of braking, the other brake can work, so that the safety property of the double-braking system is higher. In the double-power hydraulic driving system, a high-speed end and a low-speed end are both provided with hydraulic braking systems so as to ensure the safety property of the system.
Description
Technical field
The utility model relates to the two hydraulic braking systems of the double dynamical rotating band of a kind of cableway.
Background technique
Cableway is with generally being a kind of braking system in the hydraulic driving system, promptly or speed end braking, the braking of low speed end, when break breaks down, system loses braking action, there is potential safety hazard, double-power hydraulic drive system particularly, double dynamical when working simultaneously, ropeway operation speed is very fast, more needs reliable braking system, if therefore break all is set at low speed end and speed end, then break down can not play braking action the time when a break, another break can also be braked, thereby the Safety performance of dual brakes system system is higher.
The model utility content
The purpose of this utility model provides the two brake fluid pressure stations of the double dynamical band of a kind of mining cableway.
The utility model is realized in the following way: the two brake fluid pressure stations of the double dynamical band of a kind of mining cableway, comprise dual-motor, two enclosed pumps, hydraulic driving system, on motor, connect the enclosed pump respectively, on the oil outlet tube of fuel tank, filter is arranged, on the return tube of fuel tank, connect radiator, the annexation of described hydraulic driving system is: the filter on the oil outlet tube of the slippage pump filler opening S difference connected tank of enclosed pump, the slippage pump oil outlet X3 of enclosed pump is connected with the orifice valve piece respectively through shuttle valve, the other end of orifice valve piece links with the P hydraulic fluid port and the explosion-proof proportional pressure control valve of explosion-proof 3-position 4-way solenoid directional control valve respectively, the other end of explosion-proof proportional pressure control valve respectively with the T hydraulic fluid port of explosion-proof 3-position 4-way solenoid directional control valve and the oil returning branch pipe T of fuel tank
3Connect; The A of explosion-proof 3-position 4-way solenoid directional control valve, B hydraulic fluid port link the oil returning branch pipe T of connected tank after the drain tap X4 parallel connection of enclosed pump with Variable Control oil cylinder interface X1, the X2 of enclosed pump respectively
1, the A interface, enclosed pump main oil pipe interface B that enclosed pump main oil pipe interface A connects oil hydraulic motor through ball valve respectively respectively through ball valve, connect the B interface of oil hydraulic motor, the oil returning branch pipe T of the drain tap connected tank of oil hydraulic motor
2On hydraulic driving system, connected the speed end hydraulic braking sytem, the annexation of described speed end hydraulic braking sytem is: the P hydraulic fluid port of two-position four-way solenoid directional control valve is connected on the oil pipe between shuttle valve and the orifice valve piece, the oil returning branch pipe T3 of two-position four-way solenoid directional control valve T mouth connected tank, the B mouth connects high-speed brake, the shutoff of A mouth; On hydraulic driving system, connected low speed end hydraulic braking sytem, the annexation of described low speed end hydraulic braking sytem is: connect brake pump on motor, link at the inlet port of brake pump and the filter on the fuel tank oil outlet tube, the brake pump oil outlet links to each other with one-way valve respectively, after the parallel connection through fine filter, P hydraulic fluid port with relief valve and explosion-proof 3-position 4-way solenoid directional control valve links respectively, the oil outlet connected tank oil returning branch pipe T of relief valve
4, the A hydraulic fluid port of explosion-proof 3-position 4-way solenoid directional control valve links through throttle valve and Pilot operated check valve, and the Pilot operated check valve the other end links to each other with relief valve, the other end connected tank oil returning branch pipe T of relief valve
5, the B hydraulic fluid port of explosion-proof 3-position 4-way solenoid directional control valve links the oil returning branch pipe T of the T hydraulic fluid port connected tank [1] of explosion-proof 3-position 4-way solenoid directional control valve through the control oil interface of throttle valve and Pilot operated check valve
6The P hydraulic fluid port of explosion-proof two-position four-way solenoid valve is connected on the oil pipe of Pilot operated check valve, the oil returning branch pipe T of the T hydraulic fluid port connected tank of explosion-proof two-position four-way solenoid valve
3, the rod chamber hydraulic fluid port of B hydraulic fluid port and break oil cylinder links, the shutoff of A hydraulic fluid port.
On the pipeline of interface A after the parallel connection of enclosed pump main oil pipe and oil hydraulic motor A interface, be connected to the driving pressure sensor.
On the pipeline that two-position four-way solenoid directional control valve P hydraulic fluid port and shuttle valve, orifice valve piece link, be connected to the oil compensation pressure signal emitter.
On the oil pipe of the P of explosion-proof two-position four-way solenoid valve hydraulic fluid port and Pilot operated check valve, be connected accumulator.
Be connected to the pressure signal sensor of measuring brake cylinder at the Pilot operated check valve outlet end.
The utlity model has following beneficial effect: the double-power hydraulic drive system, double dynamical when working simultaneously, ropeway operation speed is very fast, more need reliable braking system, low speed end break can be braked driving wheel effectively, and speed end brake fluid pressure motor effectively, then breaks down can not play braking action the time when a break, another break can also be braked, thereby the Safety performance of dual brakes system system is higher.In the double-power hydraulic drive system, speed end and low speed end all dispose hydraulic braking sytem, guarantee the Safety performance of system.
Description of drawings
Fig. 1 is a structure principle chart of the present utility model;
Embodiment
As shown in Figure 1, the two brake fluid pressure stations of the double dynamical band of a kind of mining cableway, comprise motor 4a, 4b, enclosed pump 14a, 14b, hydraulic driving system, respectively at motor 4a, the last connection of 4b enclosed pump 14a, 14b, filter 23a is arranged on the oil outlet tube of fuel tank 1,23c, on the return tube of fuel tank 1, connect radiator 5, the annexation of described hydraulic driving system is: enclosed pump 14a, filter 23a on the oil outlet tube of the slippage pump filler opening S difference connected tank 1 of 14b, 23c, enclosed pump 14a, the slippage pump oil outlet X3 of 14b is connected with orifice valve piece 24 respectively through shuttle valve 25, the other end of orifice valve piece 24 links with the P hydraulic fluid port and the explosion-proof proportional pressure control valve 21 of explosion-proof 3-position 4-way solenoid directional control valve 19 respectively, the other end of explosion-proof proportional pressure control valve 21 respectively with the T hydraulic fluid port of explosion-proof 3-position 4-way solenoid directional control valve 19 and the oil returning branch pipe T of fuel tank 1
3Connect; The A of explosion-proof 3-position 4-way solenoid directional control valve 19, B hydraulic fluid port link the oil returning branch pipe T of connected tank 1 after the drain tap X4 parallel connection of enclosed pump 14a, 14b with Variable Control oil cylinder interface X1, the X2 of enclosed pump 14a, 14b respectively
1The A interface, enclosed pump 14a, 14b main oil pipe interface B that enclosed pump 14a, 14b main oil pipe interface A connect oil hydraulic motor 17 through ball valve 26a, 26b respectively respectively through ball valve 26c, 26d, connect the B interface of oil hydraulic motor 17, the oil returning branch pipe T of the drain tap connected tank 1 of oil hydraulic motor 17
2On hydraulic driving system, connected the speed end hydraulic braking sytem, the annexation of described speed end hydraulic braking sytem is: the P hydraulic fluid port of two-position four-way solenoid directional control valve 28 is connected on the oil pipe between shuttle valve 25 and the orifice valve piece 24, the oil returning branch pipe T3 of two-position four-way solenoid directional control valve 28T mouth connected tank 1, the B mouth connects high-speed brake 29, the shutoff of A mouth; On hydraulic driving system, connected low speed end hydraulic braking sytem, the annexation of described low speed end hydraulic braking sytem is: connect brake pump 3a, 3b on motor 4a, 4b, link at the inlet port of brake pump 3a, 3b and the filter 23b on fuel tank 1 oil outlet tube, brake pump 3a, 3b oil outlet link to each other with one-way valve 27a, 27b respectively, after the parallel connection through fine filter [8, P hydraulic fluid port with relief valve 6a and explosion-proof 3-position 4-way solenoid directional control valve 9 links respectively, the oil outlet connected tank 1 oil returning branch pipe T of relief valve 6a
4, the A hydraulic fluid port of explosion-proof 3-position 4-way solenoid directional control valve 9 links through throttle valve 10b and Pilot operated check valve 11, and Pilot operated check valve 11 the other ends link to each other with relief valve 6b, the other end connected tank 1 oil returning branch pipe T of relief valve 6b
5, the B hydraulic fluid port of explosion-proof 3-position 4-way solenoid directional control valve 9 links the oil returning branch pipe T of the T hydraulic fluid port connected tank 1 of explosion-proof 3-position 4-way solenoid directional control valve 9 through the control oil interface of throttle valve 10a and Pilot operated check valve 11
6The P hydraulic fluid port of explosion-proof two-position four-way solenoid valve 18 is connected on the oil pipe of Pilot operated check valve 11, the oil returning branch pipe T of the T hydraulic fluid port connected tank 1 of explosion-proof two-position four-way solenoid valve 18
3, the rod chamber hydraulic fluid port of B hydraulic fluid port and break oil cylinder 16 links, the shutoff of A hydraulic fluid port; On the pipeline of interface A after enclosed pump 14a, the parallel connection of 14b main oil pipe and oil hydraulic motor 17A interface, be connected to driving pressure sensor 12b; On the pipeline that two-position four-way solenoid directional control valve 28P hydraulic fluid port and shuttle valve 25, orifice valve piece 24 link, be connected to oil compensation pressure signal emitter 22; On the oil pipe of the P of explosion-proof two-position four-way solenoid valve 18 hydraulic fluid port and Pilot operated check valve 11, be connected accumulator 30; Be connected to the pressure signal sensor 12a that measures brake cylinder at Pilot operated check valve 11 outlet end.
Working principle of the present utility model is:
When explosion-proof 3-position 4-way solenoid directional control valve 9 left side electromagnet get electricly, then the pressure oil stream of brake pump 3a, 3b output is through the rod chamber hydraulic fluid port → unlatching break of left side position → throttle valve 10a → Pilot operated check valve 11 → explosion-proof two-position four-way solenoid directional control valve 18 → break oil cylinder 16 of fine filter and explosion-proof 3-position 4-way solenoid directional control valve 9.Braking force detects by pressure signal sensor 12a in the braking process, and imports computer into.When the pressure transducer on the break [12a] detects retardation pressure and has arrived setting value, explosion-proof 3-position 4-way solenoid directional control valve 9 outages, Pilot operated check valve 11 self-lockings (being that break begins pressurize);
Can set the working pressure of brake pump 3a, 3b by adjusting relief valve 6a; The effect of throttle valve 10a, 10b is to make that brake cylinder 13a, 13b can slowly move reposefully in braking process; Pilot operated check valve 11 makes brake cylinder 13a, 13b keep constant working pressure.
Explosion-proof two-position four-way solenoid valve 28 energisings, slippage pump internal pressure oil is through outlet X3 → explosion-proof two-position four-way solenoid valve 28 → high-speed brake hydraulic fluid port.
The working principle of hydraulic braking sytem:
Explosion-proof two-position four-way solenoid valve 18 is used for controlling hydraulic brake oil cylinder 16, and it is under the state of not energising, and the hydraulic oil that can make hydraulic brake oil cylinder 16 is directly through oil returning branch pipe T
3Enter fuel tank 1, cableway is a braking state.When ropeway operation, the energising of the electromagnet of explosion-proof two-position four-way solenoid valve 18, hydraulic brake oil cylinder 16 piston rods are opened stopping brake under the effect of pressure oil; Equally, explosion-proof two-position four-way solenoid valve 28 is not switched on, and high-speed brake cuts out, explosion-proof two-position four-way solenoid valve 28 energisings, and high-speed brake is opened; Only all open at two breaks, cableway could start operation, as long as wherein any misfunctioning of brake, cableway will be in braking state, and when emergency episode takes place, two breaks are braked simultaneously, guarantee personal safety.
Claims (5)
1. two brake fluid pressure stations of the double dynamical band of mining cableway, comprise motor [4a], [4b], enclosed pump [14a], [14b], hydraulic driving system, it is characterized in that: respectively at motor [4a], [4b] goes up and connects enclosed pump [14a], [14b], filter [23a] is arranged on the oil outlet tube of fuel tank [1], [23c], on the return tube of fuel tank [1], connect radiator [5], the annexation of described hydraulic driving system is: enclosed pump [14a], filter [23a] on the oil outlet tube of the slippage pump filler opening S difference connected tank [1] of [14b], [23c], enclosed pump [14a], the slippage pump oil outlet X3 of [14b] is connected with orifice valve piece [24] respectively through shuttle valve [25], the other end of orifice valve piece [24] links with the P hydraulic fluid port and the explosion-proof proportional pressure control valve [21] of explosion-proof 3-position 4-way solenoid directional control valve [19] respectively, the other end of explosion-proof proportional pressure control valve [21] respectively with the T hydraulic fluid port of explosion-proof 3-position 4-way solenoid directional control valve [19] and the oil returning branch pipe T of fuel tank [1]
3Connect; The A of explosion-proof 3-position 4-way solenoid directional control valve [19], B hydraulic fluid port link the oil returning branch pipe T of connected tank [1] after the drain tap X4 parallel connection of enclosed pump [14a], [14b] with Variable Control oil cylinder interface X1, the X2 of enclosed pump [14a], [14b] respectively
1Enclosed pump [14a], [14b] main oil pipe interface A pass through the B interface that A interface, enclosed pump [14a], [14b] main oil pipe interface B that ball valve [26a], [26b] connect oil hydraulic motor [17] pass through ball valve [26c], [26d] respectively, connect oil hydraulic motor [17], the oil returning branch pipe T of the drain tap connected tank [1] of oil hydraulic motor [17] respectively
2On hydraulic driving system, connected the speed end hydraulic braking sytem, the annexation of described speed end hydraulic braking sytem is: the P hydraulic fluid port of two-position four-way solenoid directional control valve [28] is connected on the oil pipe between shuttle valve [25] and the orifice valve piece [24], the oil returning branch pipe T3 of two-position four-way solenoid directional control valve [28] T mouth connected tank [1], the B mouth connects high-speed brake [29], the shutoff of A mouth; On hydraulic driving system, connected low speed end hydraulic braking sytem, the annexation of described low speed end hydraulic braking sytem is: at motor [4a], [4b] goes up and connects brake pump [3a], [3b], at brake pump [3a], filter [23b] on the inlet port of [3b] and fuel tank [1] oil outlet tube links, brake pump [3a], [3b] oil outlet respectively with one-way valve [27a], [27b] links to each other, after the parallel connection through fine filter [8], P hydraulic fluid port with relief valve [6a] and explosion-proof 3-position 4-way solenoid directional control valve [9] links respectively, oil outlet connected tank [1] the oil returning branch pipe T of relief valve [6a]
4, the A hydraulic fluid port of explosion-proof 3-position 4-way solenoid directional control valve [9] links through throttle valve [10b] and Pilot operated check valve [11], and Pilot operated check valve [11] the other end links to each other with relief valve [6b], the other end connected tank [1] the oil returning branch pipe T of relief valve [6b]
5, the B hydraulic fluid port of explosion-proof 3-position 4-way solenoid directional control valve [9] links the oil returning branch pipe T of the T hydraulic fluid port connected tank [1] of explosion-proof 3-position 4-way solenoid directional control valve [9] through throttle valve [10a] and the oily interface of the control of Pilot operated check valve [11]
6The P hydraulic fluid port of explosion-proof two-position four-way solenoid valve [18] is connected on the oil pipe of Pilot operated check valve [11], the oil returning branch pipe T of the T hydraulic fluid port connected tank [1] of explosion-proof two-position four-way solenoid valve [18]
3, the rod chamber hydraulic fluid port of B hydraulic fluid port and break oil cylinder [16] links, the shutoff of A hydraulic fluid port.
2. the two brake fluid pressure stations of the double dynamical band of a kind of mining cableway according to claim 1 is characterized in that: be connected to driving pressure sensor [12b] on the pipeline of interface A after enclosed pump [14a], the parallel connection of [14b] main oil pipe and oil hydraulic motor [17] A interface.
3. the two brake fluid pressure stations of the double dynamical band of a kind of mining cableway according to claim 1 is characterized in that: be connected to oil compensation pressure signal emitter [22] on the pipeline that two-position four-way solenoid directional control valve [28] P hydraulic fluid port and shuttle valve [25], orifice valve piece [24] link.
4. the two brake fluid pressure stations of the double dynamical band of a kind of mining cableway according to claim 1 is characterized in that: be connected accumulator [30] on the oil pipe of the P hydraulic fluid port of explosion-proof two-position four-way solenoid valve [18] and Pilot operated check valve [11].
5. the two brake fluid pressure stations of the double dynamical band of a kind of mining cableway according to claim 1 is characterized in that: be connected to the pressure signal sensor [12a] of measuring brake cylinder at Pilot operated check valve [11] outlet end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202596733U CN201574989U (en) | 2009-12-15 | 2009-12-15 | Mine-used cableway hydraulic station with double power and double braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202596733U CN201574989U (en) | 2009-12-15 | 2009-12-15 | Mine-used cableway hydraulic station with double power and double braking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201574989U true CN201574989U (en) | 2010-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202596733U Expired - Lifetime CN201574989U (en) | 2009-12-15 | 2009-12-15 | Mine-used cableway hydraulic station with double power and double braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201574989U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615480A (en) * | 2013-11-25 | 2014-03-05 | 湘潭市恒欣实业有限公司 | Double-pump-driven hydraulic control system with safety brake function |
| CN110454447A (en) * | 2019-08-29 | 2019-11-15 | 湘潭市恒欣实业有限公司 | A kind of closed type hydraulic system of accumulator speed regulation |
-
2009
- 2009-12-15 CN CN2009202596733U patent/CN201574989U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615480A (en) * | 2013-11-25 | 2014-03-05 | 湘潭市恒欣实业有限公司 | Double-pump-driven hydraulic control system with safety brake function |
| CN110454447A (en) * | 2019-08-29 | 2019-11-15 | 湘潭市恒欣实业有限公司 | A kind of closed type hydraulic system of accumulator speed regulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xiangtan Hengxin Industrial Co., Ltd. Assignor: Xiao Gongping Contract record no.: 2011430000180 Denomination of utility model: Mine-used cableway hydraulic station with double power and double braking Granted publication date: 20100908 License type: Exclusive License Record date: 20110923 |
|
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Xiangtan Hengxin Industrial Co., Ltd. Assignor: Xiao Gongping Contract record no.: 2011430000180 Date of cancellation: 20130604 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xiangtan Hengxin Industrial Co., Ltd. Assignor: Xiao Gongping Contract record no.: 2013430000106 Denomination of utility model: Mine-used cableway hydraulic station with double power and double braking Granted publication date: 20100908 License type: Exclusive License Record date: 20130716 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Xiangtan Hengxin Industrial Co., Ltd. Assignor: Xiao Gongping Contract record no.: 2013430000106 Date of cancellation: 20140520 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100908 |
|
| CX01 | Expiry of patent term |