CN205190394U - Lifting machine hydraulic control system that high performance is mining - Google Patents
Lifting machine hydraulic control system that high performance is mining Download PDFInfo
- Publication number
- CN205190394U CN205190394U CN201520975238.6U CN201520975238U CN205190394U CN 205190394 U CN205190394 U CN 205190394U CN 201520975238 U CN201520975238 U CN 201520975238U CN 205190394 U CN205190394 U CN 205190394U
- Authority
- CN
- China
- Prior art keywords
- pump
- motor
- valve
- pressure
- fuel tank
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Types And Forms Of Lifts (AREA)
Abstract
The utility model discloses a lifting machine hydraulic control system that high performance is mining, system include the first electric motors, variable pump, high -pressure pipeline, low -pressure pipeline, high -pressure safety valve, low pressure relief valve, oil tank, first pump - motor, second pump - motor, safe by valves, energy storage ware group, pressure sensor, speed sensor, second motor, hydraulic pump, overflow valve, check valve, relief pressure valve, magenetic exchange valve, checking cylinder, the glossy case of benefit, control oil sources, further, variable pump variable mechanism includes variable jar and servovalve. The utility model discloses an energy recuperation and the speed stabilizing of mining lifting machine control, have improved the energy utilization efficiency and the working property of mining lifting machine effectively.
Description
Technical field
The utility model relates to mine equipment field, particularly a kind of high-performance mining elevator hydraulic control system.
Background technique
Mining elevator is one of key equipment in mining machinery, and it is the important transport hub with down-hole on connected well.Its service behaviour will directly have influence on the working efficiency of whole production line, is even related to the life safety of thousands of mine workman.
At present, mining elevator adopts hydraulic system to drive usually, provides brake drag by brake disc.But existing mining elevator ubiquity energy cannot reclaim, consume serious, the technological deficiencies such as the rate of climb is unstable
For overcoming the technological deficiency of existing mining elevator, needing badly and a kind of high-performance mining elevator hydraulic control system is provided.
Model utility content
For above-mentioned prior art defect, key issue to be solved in the utility model is to provide a kind of high-performance mining elevator hydraulic control system, and for improving mining elevator energy utilization efficiency, and the speed stabilizing realizing mining elevator controls.
Realize model utility object to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of high-performance mining elevator hydraulic control system, comprises the first motor 1, variable displacement pump 2, pressure duct 3, low pressure line 4, high-pressure safety valve 5, low-pressure safety valve 6, fuel tank 7, the first pump-motor 8, the second pump-motor 9, safety shutoff valve group 10, Accumulator arrangements 11, pressure transducer 12, speed probe 13, second motor 14, oil hydraulic pump 15, relief valve 16, one-way valve 17, reduction valve 18, solenoid directional control valve 19, master cylinder 20, repairing fuel tank 21, controls oil sources 22; Further, variable displacement pump 2 stroking mechanism comprises variable cylinder 2.1 and servovalve 2.2.
First motor 1 Driven by Coaxial variable displacement pump 2; Variable displacement pump 2 stroking mechanism servovalve 2.2 oiler connection control oil sources 22, controlling oil sources 22 provides power input for stroking mechanism, servovalve 2.2 return opening connection low pressure line 4; Variable displacement pump 2 inlet port is connected with low pressure line 4, and variable displacement pump 2 force feed mouth is divided into two-way through pressure duct 3, and a road is connected to the first pump-motor 8 inlet port, and a road is connected to the second pump-motor 9 inlet port; Pressure transducer 12 is connected with pressure duct 3; First pump-motor 8 is coaxially connected with the second pump-motor 9, and on coupling shaft, arrange speed probe 13; First pump-motor 8 return opening and the second pump-motor 9 return opening are all connected to low pressure line 4; High-pressure safety valve 5 is connected between pressure duct 3 and fuel tank 7, prevents pressure duct pressure overload; Low-pressure safety valve 6 is connected between low pressure line 4 and fuel tank 7, prevents LP line pressure from transshipping; Accumulator arrangements 11 is connected with pressure duct 3 by safety shutoff valve group 10, and safety shutoff valve group 10 drain tap is connected with repairing fuel tank 21; Second motor 14 drives oil hydraulic pump 15, oil hydraulic pump 15 inlet port is connected with repairing fuel tank 21, oil hydraulic pump 15 force feed mouth connects one end of one-way valve 17, and the other end of one-way valve 17 is connected to low pressure line 4 by reduction valve 18, and relief valve 16 is connected between oil hydraulic pump 15 force feed mouth and repairing fuel tank 21; One-way valve 17 connects solenoid directional control valve 19 oiler simultaneously; Solenoid directional control valve 19 return opening is connected to repairing fuel tank 21, and solenoid directional control valve 19 filler opening is connected with master cylinder 20 rodless cavity, solenoid directional control valve 19 oil outlet and master cylinder 20 rod chamber.
Described a kind of high-performance mining elevator hydraulic control system, comprises weight rising control, weight declines control and Braking system controls.
(1) weight rising controls: weight uphill process, by speed probe 13 by speed feedback and pump-motor rotary speed is given compares, produce deviation signal, calculate through the first controller, export control signal to control through servovalve 2.2 and variable cylinder 2.1 pairs of variable displacement pump 2 discharge capacities, variable displacement pump 2 exports high pressure oil, now the first pump-motor 8 and the second pump-motor 9 are all in motor operating conditions, driving reel rotates, in this process, Accumulator arrangements 11 provides auxiliary power for pump motor drum mechanism built, finally realize pump-motor drum mechanism built velocity close-loop control, ensure that mining elevator speed stabilizing rises.
(2) weight decline controls: weight decline process, by weight weight conversion system working pressure, and by pressure transducer 12, system pressure is fed back, formation deviation signal is compared with conversion working pressure, calculate through second controller, second controller outputs a control signal to the first pump-motor 8 and the second pump-motor 9, finally realizes hydraulic system pressure closed loop control.Now the first pump-motor 8 and the second pump-motor 9 all work in pump condition, weight decline process weight-driven the first pump-motor 8 and the second pump-motor 9 export high pressure oil, high pressure oil is stored in Accumulator arrangements 11 by safety shutoff valve group 10, achieves the recovery of energy in weight decline process.
(3) Braking system controls: after weight arrives appointment station, trigger brake signal, now electromagnetism solenoid directional control valve 19 works, master cylinder 20 action, realizes the fast braking of pump-motor drum mechanism built.
Owing to adopting technique scheme, the utility model compared with prior art has following beneficial effect:
(1) the utility model coordinates Accumulator arrangements by pump-motor, achieves weight decline Process Energy and reclaims, improve the energy utilization efficiency of whole system;
(2) the utility model is by pump-motor rotary speed closed loop control, and the speed stabilizing achieving mining elevator controls, and improves the service behaviour of whole system.
Accompanying drawing explanation
Fig. 1 represents hydraulic schematic diagram of the present utility model;
Fig. 2 represents mechanical arrangement figure of the present utility model;
Fig. 3 represents control block diagram of the present utility model;
Fig. 4 represents workflow diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
A kind of high-performance mining elevator hydraulic control system, as shown in Figure 1, it comprises the first motor 1, variable displacement pump 2, pressure duct 3, low pressure line 4, high-pressure safety valve 5, low-pressure safety valve 6, fuel tank 7, the first pump-motor 8, the second pump-motor 9, safety shutoff valve group 10, Accumulator arrangements 11, pressure transducer 12, speed probe 13, second motor 14, oil hydraulic pump 15, relief valve 16, one-way valve 17, reduction valve 18, solenoid directional control valve 19, master cylinder 20, repairing fuel tank 21, controls oil sources 22; Further, variable displacement pump 2 stroking mechanism comprises variable cylinder 2.1 and servovalve 2.2.
Wherein: the first motor 1 Driven by Coaxial variable displacement pump 2; Variable displacement pump 2 stroking mechanism servovalve 2.2 oiler connection control oil sources 22, servovalve 2.2 return opening connects low pressure line 4; Variable displacement pump 2 inlet port is connected with low pressure line 4, and variable displacement pump 2 force feed mouth is divided into two-way through pressure duct 3, and a road is connected to the first pump-motor 8 inlet port, and a road is connected to the second pump-motor 9 inlet port; Pressure transducer 12 is connected with pressure duct 3; First pump-motor 8 is coaxially connected with the second pump-motor 9, and on coupling shaft, arrange speed probe 13; First pump-motor 8 return opening and the second pump-motor 9 return opening are all connected to low pressure line 4; High-pressure safety valve 5 is connected between pressure duct 3 and fuel tank 7, prevents pressure duct pressure overload; Low-pressure safety valve 6 is connected between low pressure line 4 and fuel tank 7, prevents LP line pressure from transshipping; Accumulator arrangements 11 is connected with pressure duct 3 by safety shutoff valve group 10, and safety shutoff valve group 10 drain tap is connected with repairing fuel tank 21; Second motor 14 drives oil hydraulic pump 15, oil hydraulic pump 15 inlet port is connected with repairing fuel tank 21, oil hydraulic pump 15 force feed mouth connects one end of one-way valve 17, and the other end of one-way valve 17 is connected to low pressure line 4 by reduction valve 18, and relief valve 16 is connected between oil hydraulic pump 15 force feed mouth and repairing fuel tank 21; One-way valve 17 connects solenoid directional control valve 19 oiler simultaneously; Solenoid directional control valve 19 return opening is connected to repairing fuel tank 21, and solenoid directional control valve 19 filler opening is connected with master cylinder 20 rodless cavity, solenoid directional control valve 19 oil outlet and master cylinder 20 rod chamber.
Mechanical arrangement figure of the present utility model shown in Fig. 2.
First pump-motor 8 and the second pump-motor 9 are positioned at reel both sides and form pump-motor drum mechanism built, this mechanism completes the enhancing action in weight rising and decline process by static pulley transition, master cylinder is positioned at pump-motor drum mechanism built side, when heavy lift is to appointment station, control for brake is carried out to pump-motor drum mechanism built.
It is control block diagram of the present utility model shown in Fig. 3.
A kind of high-performance mining elevator hydraulic control system, comprises weight rising control, weight declines control and Braking system controls.
(1) weight rising controls: weight uphill process, by speed probe 13 by speed feedback and pump-motor rotary speed is given compares, produce deviation signal, calculate through the first controller, export control signal to control through servovalve 2.2 and variable cylinder 2.1 pairs of variable displacement pump 2 discharge capacities, variable displacement pump 2 exports high pressure oil, now the first pump-motor 8 and the second pump-motor 9 are all in motor operating conditions, driving reel rotates, in this process, Accumulator arrangements 11 provides auxiliary power for pump motor drum mechanism built, finally realize pump-motor drum mechanism built velocity close-loop control, ensure that mining elevator speed stabilizing rises.
(2) weight decline controls: weight decline process, by weight weight conversion system working pressure, and by pressure transducer 12, system pressure is fed back, formation deviation signal is compared with conversion working pressure, calculate through second controller, second controller outputs a control signal to the first pump-motor 8 and the second pump-motor 9, finally realizes hydraulic system pressure closed loop control.Now the first pump-motor 8 and the second pump-motor 9 all work in pump condition, weight decline process weight-driven the first pump-motor 8 and the second pump-motor 9 export high pressure oil, high pressure oil is stored in Accumulator arrangements 11 by safety shutoff valve group 10, achieves the recovery of energy in weight decline process.
(3) Braking system controls: after weight arrives appointment station, trigger brake signal, now electromagnetism solenoid directional control valve 19 works, master cylinder 20 action, realizes the fast braking of pump-motor drum mechanism built.
It is workflow diagram of the present utility model shown in Fig. 4.
The utility model, in implementation process, first realizes weight rising by pump-motor drum mechanism built and controls, and after weight rises arrival appointment station, master cylinder action, brakes pump-motor drum mechanism built; After completing braking, again realize weight decline by pump-motor drum mechanism built and control, after weight declines arrival appointment station, master cylinder action, brakes pump-motor drum mechanism built, back and forth analogizes successively, mining elevator periodic duty.
Protection domain of the present utility model is defined by the claims.Those skilled in the art can in essence of the present utility model and protection domain, and make various amendment or equivalent replacement to the utility model, this amendment or equivalent replacement also should be considered as dropping in protection domain of the present utility model.
Claims (1)
1. a high-performance mining elevator hydraulic control system, it is characterized in that: it comprises the first motor (1), variable displacement pump (2), pressure duct (3), low pressure line (4), high-pressure safety valve (5), low-pressure safety valve (6), fuel tank (7), first pump-motor (8), second pump-motor (9), safety shutoff valve group (10), Accumulator arrangements (11), pressure transducer (12), speed probe (13), second motor (14), oil hydraulic pump (15), relief valve (16), one-way valve (17), reduction valve (18), solenoid directional control valve (19), master cylinder (20), repairing fuel tank (21), control oil sources (22), further, variable displacement pump (2) stroking mechanism comprises variable cylinder (2.1) and servovalve (2.2),
Wherein: the first motor (1) Driven by Coaxial variable displacement pump (2); Variable displacement pump (2) stroking mechanism servovalve (2.2) oiler connection control oil sources (22), controlling oil sources (22) provides power input for stroking mechanism, servovalve (2.2) return opening connection low pressure line (4); Variable displacement pump (2) inlet port is connected with low pressure line (4), variable displacement pump (2) force feed mouth is divided into two-way through pressure duct (3), one road is connected to the first pump-motor (8) inlet port, and a road is connected to the second pump-motor (9) inlet port; Pressure transducer (12) is connected with pressure duct (3); First pump-motor (8) is coaxially connected with the second pump-motor (9), and on coupling shaft, arrange speed probe (13); First pump-motor (8) return opening and the second pump-motor (9) return opening are all connected to low pressure line (4); High-pressure safety valve (5) is connected between pressure duct (3) and fuel tank (7), prevents pressure duct pressure overload; Low-pressure safety valve (6) is connected between low pressure line (4) and fuel tank (7), prevents LP line pressure from transshipping; Accumulator arrangements (11) is connected with pressure duct (3) by safety shutoff valve group (10), and safety shutoff valve group (10) drain tap is connected with repairing fuel tank (21); Second motor (14) drives oil hydraulic pump (15), oil hydraulic pump (15) inlet port is connected with repairing fuel tank (21), oil hydraulic pump (15) force feed mouth connects one end of one-way valve (17), the other end of one-way valve (17) is connected to low pressure line (4) by reduction valve (18), and relief valve (16) is connected between oil hydraulic pump (15) force feed mouth and repairing fuel tank (21); One-way valve (17) connects solenoid directional control valve (19) oiler simultaneously; Solenoid directional control valve (19) return opening is connected to repairing fuel tank (21), solenoid directional control valve (19) filler opening is connected with master cylinder (20) rodless cavity, solenoid directional control valve (19) oil outlet and master cylinder (20) rod chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520975238.6U CN205190394U (en) | 2015-12-02 | 2015-12-02 | Lifting machine hydraulic control system that high performance is mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520975238.6U CN205190394U (en) | 2015-12-02 | 2015-12-02 | Lifting machine hydraulic control system that high performance is mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205190394U true CN205190394U (en) | 2016-04-27 |
Family
ID=55783389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520975238.6U Withdrawn - After Issue CN205190394U (en) | 2015-12-02 | 2015-12-02 | Lifting machine hydraulic control system that high performance is mining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205190394U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351266A (en) * | 2015-12-02 | 2016-02-24 | 北华航天工业学院 | High-reliability mining elevator hydraulic control system |
| CN105927683A (en) * | 2016-07-08 | 2016-09-07 | 四川宏华石油设备有限公司 | Hydraulic control system of tube drawbench lifting mechanism |
| CN106882722A (en) * | 2017-04-14 | 2017-06-23 | 湖南科技大学 | Ocean winch electro-hydraulic brake system and control method based on Closed Hydraulic brake |
| CN111038460A (en) * | 2019-12-20 | 2020-04-21 | 内蒙古北方重型汽车股份有限公司 | Double-loop cooling flow distribution valve bank of electric drive mining dump truck and use method thereof |
-
2015
- 2015-12-02 CN CN201520975238.6U patent/CN205190394U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351266A (en) * | 2015-12-02 | 2016-02-24 | 北华航天工业学院 | High-reliability mining elevator hydraulic control system |
| CN105351266B (en) * | 2015-12-02 | 2017-07-14 | 北华航天工业学院 | A kind of high-performance mining elevator hydraulic control system |
| CN105927683A (en) * | 2016-07-08 | 2016-09-07 | 四川宏华石油设备有限公司 | Hydraulic control system of tube drawbench lifting mechanism |
| CN106882722A (en) * | 2017-04-14 | 2017-06-23 | 湖南科技大学 | Ocean winch electro-hydraulic brake system and control method based on Closed Hydraulic brake |
| CN106882722B (en) * | 2017-04-14 | 2022-05-03 | 湖南科技大学 | Ocean winch electro-hydraulic braking system based on closed hydraulic brake and control method |
| CN111038460A (en) * | 2019-12-20 | 2020-04-21 | 内蒙古北方重型汽车股份有限公司 | Double-loop cooling flow distribution valve bank of electric drive mining dump truck and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205190394U (en) | Lifting machine hydraulic control system that high performance is mining | |
| CN105351266A (en) | High-reliability mining elevator hydraulic control system | |
| CN101734565B (en) | Crane and winch control system thereof | |
| CN104061212B (en) | Electric hydraulic control running system for bracket carrier | |
| CN201321358Y (en) | Crane hoist control system and crane | |
| CN201835810U (en) | Rotary drilling rig one-key drilling control device | |
| CN103924626B (en) | The energy-saving turntable drive system of electric drive hydraulic crawler excavator and drived control method | |
| CN102420552B (en) | Control loop and control method for improving starting and stopping performance of motor | |
| CN109080454B (en) | Electrohydraulic driving system for reducing motor power | |
| CN103161190A (en) | Hybrid power full hydraulic loading machine hydraulic system based on pressure common rail system | |
| CN203833526U (en) | Energy recycling system for main winch descending of rotary drilling rig | |
| CN202170901U (en) | Main valve bank device of pumped type concrete wet sprayer for coal mine | |
| CN113183736B (en) | Electro-hydraulic hybrid power system for loader oil and control method thereof | |
| CN203834553U (en) | Energy-saving rotary table driving system for electrically-driven hydraulic excavator | |
| CN107327432A (en) | A kind of pump control cylinder hydraulic circuit and its control method | |
| CN108223499A (en) | A kind of motor-direct-drive type swing arm energy-recuperation system | |
| CN105275044A (en) | Hydraulic energy-saving control system and method for excavator | |
| CN104372823A (en) | Recovering system for slewing and braking energy of excavator | |
| CN203463385U (en) | Energy-saving hoisting system of hydraulic crane | |
| CN102628465A (en) | Energy recovery type lifting hydraulic system for hoisting and conveying machine | |
| CN202544015U (en) | Hydraulic system of loader | |
| CN205187723U (en) | Highly reliable mining lifting machine hydraulic control system | |
| CN203214493U (en) | Potential energy recovery hydraulic control system of lifting equipment at stable load | |
| CN105459993A (en) | Hydraulic system with mechanical and hydraulic combined brake device | |
| CN104865083A (en) | Multi-rope friction hoist load simulation hydraulic loading device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160427 Effective date of abandoning: 20170714 |