CN203906410U - Novel hydraulic control system for hydraulic tension device - Google Patents
Novel hydraulic control system for hydraulic tension device Download PDFInfo
- Publication number
- CN203906410U CN203906410U CN201420043413.3U CN201420043413U CN203906410U CN 203906410 U CN203906410 U CN 203906410U CN 201420043413 U CN201420043413 U CN 201420043413U CN 203906410 U CN203906410 U CN 203906410U
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- Prior art keywords
- pressure
- valve
- directional control
- control system
- control valve
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Abstract
The utility model relates to a hydraulic control system for a hydraulic tension device for a belt conveyor and belongs to the technical field of belt conveyor equipment. On the basis of an original structure, the hydraulic control system further comprises a pressure increasing valve (8), a tension sensor (16), a dynamometer oil cylinder (17), a two-position and two-way electromagnetic directional valve (23) and a throttle valve (24). Various pressure test elements are arranged in the hydraulic control system for pressure test; detection elements having faults can be discriminated by comparing a plurality of element detection values, so that the accuracy of the detection value is ensured; furthermore, according to the hydraulic control system, the two-position and two-way electromagnetic directional valve and the throttle valve are used to replace the original electrohydraulic proportional overflow valve for controlling the increase and the reduction of the pressure; pressure can be increased by tension according to the requirement of work while the cost is reduced, so that the pneumatic force of the system is ensured, the belt slippage is avoided and the working efficiency is improved.
Description
Technical field
The utility model relates to a kind of hydraulic control system, and specifically a kind of Belt Conveyors Hydranlic tensioner hydraulic control system, belongs to Belt Conveyors equipment technical field.
Background technique
Belt Conveyors claims again rubber conveyer, is widely used in all trades and professions such as household electrical appliances, electronics, electrical equipment, machinery, tobacco, injection moulding, post and telecommunications, printing, food, assembling, detection, debugging, packaging and the transport etc. of object.
The Hydranlic tensioner that current Belt Conveyors is many mostly is hydraulic control system, but has following defect: first, in the time of starting and belt slippage, can not meet also high needs of the front cavity pressure pressure ratio default pressure of tensioning hydraulic jack; Secondly, Pressure testing is more single, and on tensioning hydro-cylinder ante-chamber communicates pipeline, setting pressure Detecting element detects, and easily occurs detecting mistake and causes system misoperation phenomenon to occur; The 3rd, adopt the lifting of electricity liquid ratio relief valve pilot pressure, cost is more expensive.
Summary of the invention
The problem existing for above-mentioned prior art, the utility model provides a kind of Belt Conveyors Hydranlic tensioner hydraulic control system, simple in structure, detect accurately, in reducing costs, guaranteed original effect, and ensure that tension force can be with need of work supercharging, guarantee the pneumatic of system, avoid belt slippage, increase work efficiency.
To achieve these goals, the utility model comprises relief valve
, relief valve
, fine filter, three position four-way directional control valve, Pilot operated check valve, pressure gauge, tensioning hydro-cylinder, tensioning winch, changed course pulley, tensioning dolly, static line seat, oil cylinder great wheel, two-position four-way solenoid directional control valve, accumulator, stop valve and fuel tank; Wherein, hydraulic oil delivery side of pump goes out to be divided into two tunnels, and a road is through relief valve
receive fuel tank, the fine filter of separately leading up to is connected with the P mouth of three position four-way directional control valve, the T mouth of three position four-way directional control valve is connected with fuel tank, the B mouth of three position four-way directional control valve is connected with the back cavity of tensioning hydro-cylinder by high pressure hose, the A mouth of three position four-way directional control valve is by Pilot operated check valve Hou Fen tri-tunnels, the first via connects pressure gauge, and the second tunnel is connected with the ante-chamber of tensioning hydro-cylinder by stop valve, two-position four-way solenoid directional control valve, high pressure hose, and Third Road is connected with accumulator by high pressure hose;
On the basis of said structure, also comprise pressure charging valve, pulling force sensor, dynamometry oil cylinder, bi-bit bi-pass solenoid directional control valve and throttle valve; Wherein, pressure charging valve one end and tensioning hydro-cylinder ante-chamber, the other end is connected with the O mouth of two-position four-way solenoid directional control valve; Dynamometry oil cylinder and pulling force sensor are connected between wire rope and static line seat successively, and dynamometry oil cylinder ante-chamber is connected with pressure detecting element; On the connecting pipeline of accumulator and high pressure hose, be provided with pressure detecting element; Stop valve ante-chamber is connected with pressure detecting element; The A mouth of bi-bit bi-pass solenoid directional control valve is connected with stop valve, and the P mouth of bi-bit bi-pass solenoid directional control valve is connected with fuel tank by throttle valve.
Further, to be connected with pressure detecting element be pressure transmitter to dynamometry oil cylinder ante-chamber
and pressure relay
.
Further, the pressure detecting element arranging on the connecting pipeline of accumulator and high pressure hose is pressure transmitter
.
Further, the pressure detecting element that stop valve ante-chamber connects is pressure transmitter
and pressure relay
.
Further, also comprise pressure gauge with electric contact, pressure gauge with electric contact arranges 1-10, is arranged in the pressure detecting element of system.
Further, also comprise pressure transducer, pressure transducer arranges 3-10, is arranged in the pressure detecting element of system.
Working principle: in the time that needs increase tension force, two-position two-way solenoid valve power-off, oil circuit and fuel tank disconnect, tension force increases, need to reduce tension force time, two-position two-way solenoid valve obtains electric, and oil circuit communicates with fuel tank by throttle valve with fuel tank, tension force declines, and reduces the speed of tension force by regulating the control of throttle valve openings of sizes.Simultaneously, on the connecting pipeline of accumulator and high pressure hose and tensioning hydro-cylinder and dynamometry oil cylinder ante-chamber be connected with many group pressure dynamometer elements, pressure dynamometer element is set to pressure transmitter, and the multiple pressure tests such as pressure relay and pressure gauge with electric contact are tested jointly, and carries out Data Comparison.
In conjunction with working principle, multiple pressure dynamometer element is set in the utility model and carries out pressure test, and utilize multiple element testing values to contrast, can differentiate the Detecting element breaking down, ensure the accuracy of checkout value; Further, the utility model replaces original electricity liquid ratio relief valve to carry out the lifting of pilot pressure by two-position two-way solenoid valve and throttle valve series connection, in reducing costs, and ensure that tension force can be with need of work supercharging, guarantee the pneumatic of system, avoid belt slippage, improved working efficiency.
Brief description of the drawings
Fig. 1 is hydraulic schematic diagram of the present utility model.
In figure: 1. filter, 2. hydraulic-pressure pump, 3. relief valve
, 4. fine filter, 5. three position four-way directional control valve, 6. Pilot operated check valve, 7. pressure gauge, 8. pressure charging valve, 9. hydraulic jack, 10. tensioning winch, 11. changed course pulleys, 12. tensioning dollies, 13. static line seats, 14. oil cylinder great wheels, 15. two-position four-way solenoid directional control valves, 16. pulling force sensors, 17. dynamometry oil cylinders, 18. accumulators, 19. pressure transmitters
, 20. pressure transmitters
, 21. pressure transmitters
, 22. stop valves, 23. bi-bit bi-pass solenoid directional control valves, 24. throttle valve, 25. relief valves
, 26. fuel tanks, 27. pressure relayes
, 28. pressure relayes
.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of Belt Conveyors Hydranlic tensioner hydraulic control system, comprises relief valve
3, relief valve
25, fine filter 4, three position four-way directional control valve 5, Pilot operated check valve 6, pressure gauge 7, tensioning hydro-cylinder 9, tensioning winch 10, changed course pulley 11, tensioning dolly 12, static line seat 13, oil cylinder great wheel 14, two-position four-way solenoid directional control valve 15, accumulator 18, stop valve 22 and fuel tank 26; Wherein, the outlet of hydraulic-pressure pump 2 goes out to be divided into two tunnels, and a road is through relief valve
3 receive fuel tank 26, the fine filter 4 of separately leading up to is connected with the P mouth of three position four-way directional control valve 5, the T mouth of three position four-way directional control valve 5 is connected with fuel tank 26, the B mouth of three position four-way directional control valve 5 is connected with the back cavity of tensioning hydro-cylinder 9 by high pressure hose, the A mouth of three position four-way directional control valve 5 is by Pilot operated check valve 6 Hou Fen tri-tunnels, the first via connects pressure gauge 7, the second tunnel is connected with the ante-chamber of tensioning hydro-cylinder 9 by stop valve 22, two-position four-way solenoid directional control valve 15, high pressure hose, and Third Road is connected with accumulator 18 by high pressure hose;
On the basis of said structure, also comprise pressure charging valve 8, pulling force sensor 16, dynamometry oil cylinder 17, bi-bit bi-pass solenoid directional control valve 23 and throttle valve 24; Wherein, pressure charging valve 8 one end and tensioning hydro-cylinder 9 ante-chambers, the other end is connected with the O mouth of two-position four-way solenoid directional control valve 15; Dynamometry oil cylinder 17 and pulling force sensor 16 are connected between wire rope and static line seat 13 successively, and dynamometry oil cylinder 17 ante-chambers are connected with pressure detecting element; On the connecting pipeline of accumulator 18 and high pressure hose, be provided with pressure detecting element; Stop valve 22 ante-chambers are connected with pressure detecting element; The A mouth of bi-bit bi-pass solenoid directional control valve 23 is connected with stop valve 22, and the P mouth of bi-bit bi-pass solenoid directional control valve 23 is connected with fuel tank 26 by throttle valve 24.
As optimal way of the present utility model, it is pressure transmitter that dynamometry oil cylinder 17 ante-chambers are connected with pressure detecting element
21 and pressure relay
28, adopt multiple pressure detecting element to detect, and its monitored data is contrasted, guarantee the accuracy detecting.
As optimal way of the present utility model, the pressure detecting element arranging on the connecting pipeline of accumulator 18 and high pressure hose is pressure transmitter
19, adopt multiple pressure detecting element to detect, and its monitored data is contrasted, guarantee the accuracy detecting.
As optimal way of the present utility model, the pressure detecting element that stop valve 22 ante-chambers connect is pressure transmitter
20 and pressure relay
27, adopt multiple pressure detecting element to detect, and its monitored data is contrasted, guarantee the accuracy detecting.
As optimal way of the present utility model, also comprise pressure gauge with electric contact, pressure gauge with electric contact arranges 1-10, be arranged in the pressure detecting element of system, adopt multiple pressure detecting element to detect, and its monitored data is contrasted, further guarantee the accuracy detecting.
As optimal way of the present utility model, also comprise pressure transducer, pressure transducer arranges 3-10, be arranged in the pressure detecting element of system, adopt multiple pressure detecting element to detect, and its monitored data is contrasted, further guarantee the accuracy detecting.
In the course of the work, while increasing tension force, two-position two-way solenoid valve 23 power-off, oil circuit and fuel tank 26 disconnect, and tension force increases, need to reduce tension force time, two-position two-way solenoid valve 23 obtains electric, oil circuit communicates with fuel tank 26 by throttle valve 24 with fuel tank 26, and tension force declines, and reduces the speed of tension force by regulating throttle valve 24 openings of sizes controls.Simultaneously, on the connecting pipeline of accumulator and high pressure hose and tensioning hydro-cylinder 9 and dynamometry oil cylinder 17 ante-chambers be connected with many group pressure dynamometer elements, pressure dynamometer element is set to pressure transmitter, and the multiple pressure tests such as pressure relay and pressure gauge with electric contact are tested jointly, and carries out Data Comparison.
To sum up, multiple pressure dynamometer element is set in the utility model and carries out pressure test, and utilize multiple element testing values to contrast, can differentiate the Detecting element breaking down, ensure the accuracy of checkout value; Further, the utility model replaces original electricity liquid ratio relief valve to carry out the lifting of pilot pressure by two-position two-way solenoid valve 23 and throttle valve 24 series connection, in reducing costs, and ensure that tension force can be with need of work supercharging, guarantee the pneumatic of system, avoid belt slippage, improved working efficiency.
Claims (6)
1. a Belt Conveyors Hydranlic tensioner hydraulic control system, comprises relief valve
(3), relief valve (25)
, fine filter (4), three position four-way directional control valve (5), Pilot operated check valve (6), pressure gauge (7), tensioning hydro-cylinder (9), tensioning winch (10), changed course pulley (11), tensioning dolly (12), static line seat (13), oil cylinder great wheel (14), two-position four-way solenoid directional control valve (15), accumulator (18), stop valve (22) and fuel tank (26), wherein, the outlet of hydraulic-pressure pump (2) is divided into two tunnels, and a road is through relief valve
(3) receive fuel tank (26), the fine filter (4) of separately leading up to is connected with the P mouth of three position four-way directional control valve (5), the T mouth of three position four-way directional control valve (5) is connected with fuel tank (26), the B mouth of three position four-way directional control valve (5) is connected with the back cavity of tensioning hydro-cylinder (9) by high pressure hose, the A mouth of three position four-way directional control valve (5) is by Pilot operated check valve (6) Hou Fen tri-tunnels, the first via connects pressure gauge (7), the second tunnel is by stop valve (22), two-position four-way solenoid directional control valve (15), high pressure hose is connected with the ante-chamber of tensioning hydro-cylinder (9), Third Road is connected with accumulator (18) by high pressure hose,
It is characterized in that, also comprise pressure charging valve (8), pulling force sensor (16), dynamometry oil cylinder (17), bi-bit bi-pass solenoid directional control valve (23) and throttle valve (24); Wherein, described pressure charging valve (8) one end and tensioning hydro-cylinder (9) ante-chamber, the other end is connected with the O mouth of two-position four-way solenoid directional control valve (15); Described dynamometry oil cylinder (17) and pulling force sensor (16) are connected between wire rope and static line seat (13) successively, and dynamometry oil cylinder (17) ante-chamber is connected with pressure detecting element; On the connecting pipeline of accumulator (18) and high pressure hose, be provided with pressure detecting element; Described stop valve (22) ante-chamber is connected with pressure detecting element; The A mouth of described bi-bit bi-pass solenoid directional control valve (23) is connected with stop valve (22), and the P mouth of bi-bit bi-pass solenoid directional control valve (23) is connected with fuel tank (26) by throttle valve (24).
2. a kind of Belt Conveyors Hydranlic tensioner hydraulic control system according to claim 1, is characterized in that, the pressure detecting element that described dynamometry oil cylinder (17) ante-chamber connects is pressure transmitter
and pressure relay (21)
(28).
3. a kind of Belt Conveyors Hydranlic tensioner hydraulic control system according to claim 1, is characterized in that, the pressure detecting element arranging on described accumulator (18) and the connecting pipeline of high pressure hose is pressure transmitter
(19).
4. a kind of Belt Conveyors Hydranlic tensioner hydraulic control system according to claim 1, is characterized in that, the pressure detecting element that described stop valve (22) ante-chamber connects is pressure transmitter
and pressure relay (20)
(27).
5. according to a kind of Belt Conveyors Hydranlic tensioner hydraulic control system described in claim 2 or 3 or 4, it is characterized in that, also comprise pressure gauge with electric contact, described pressure gauge with electric contact arranges 5-10, is arranged in the pressure detecting element of system.
6. a kind of Belt Conveyors Hydranlic tensioner hydraulic control system according to claim 5, is characterized in that, also comprises pressure transducer, and described pressure transducer arranges 5-10, is arranged in the pressure detecting element of system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043413.3U CN203906410U (en) | 2014-01-23 | 2014-01-23 | Novel hydraulic control system for hydraulic tension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043413.3U CN203906410U (en) | 2014-01-23 | 2014-01-23 | Novel hydraulic control system for hydraulic tension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906410U true CN203906410U (en) | 2014-10-29 |
Family
ID=51780693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420043413.3U Expired - Fee Related CN203906410U (en) | 2014-01-23 | 2014-01-23 | Novel hydraulic control system for hydraulic tension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906410U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790870A (en) * | 2014-01-23 | 2014-05-14 | 徐州五洋科技股份有限公司 | Novel hydraulic control system of hydraulic tensioning device |
| CN104692044A (en) * | 2015-02-14 | 2015-06-10 | 太原理工大学 | Belt conveyor hydraulic tensioning device using emulsion as transmission medium |
| CN104847739A (en) * | 2015-04-14 | 2015-08-19 | 宝鸡石油机械有限责任公司 | Riser tensioner hydraulic relief valve bank |
| CN104960865A (en) * | 2015-07-08 | 2015-10-07 | 太原理工大学 | Deviation adjusting tensioning method of belt conveyer conveying belt deviation adjusting tensioning traveling trolley |
| CN107454928A (en) * | 2017-04-20 | 2017-12-08 | 惠州市科特测控工程有限公司 | A kind of electro-hydraulic servo power cylinder |
| CN108190392A (en) * | 2017-12-20 | 2018-06-22 | 太原理工大学 | A kind of ribbon conveyer hydraulic tensioning power dynamic measures and feedback method |
-
2014
- 2014-01-23 CN CN201420043413.3U patent/CN203906410U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790870A (en) * | 2014-01-23 | 2014-05-14 | 徐州五洋科技股份有限公司 | Novel hydraulic control system of hydraulic tensioning device |
| CN104692044A (en) * | 2015-02-14 | 2015-06-10 | 太原理工大学 | Belt conveyor hydraulic tensioning device using emulsion as transmission medium |
| CN104847739A (en) * | 2015-04-14 | 2015-08-19 | 宝鸡石油机械有限责任公司 | Riser tensioner hydraulic relief valve bank |
| CN104960865A (en) * | 2015-07-08 | 2015-10-07 | 太原理工大学 | Deviation adjusting tensioning method of belt conveyer conveying belt deviation adjusting tensioning traveling trolley |
| CN107454928A (en) * | 2017-04-20 | 2017-12-08 | 惠州市科特测控工程有限公司 | A kind of electro-hydraulic servo power cylinder |
| CN107454928B (en) * | 2017-04-20 | 2019-12-17 | 惠州市科特测控工程有限公司 | Electro-hydraulic servo boosting cylinder |
| CN108190392A (en) * | 2017-12-20 | 2018-06-22 | 太原理工大学 | A kind of ribbon conveyer hydraulic tensioning power dynamic measures and feedback method |
| CN108190392B (en) * | 2017-12-20 | 2019-08-30 | 太原理工大学 | A kind of measurement of belt conveyor hydraulic tensioning power dynamic and feedback method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20150123 |
|
| EXPY | Termination of patent right or utility model |