CN104455250A - Hydraulic type belt pulley automatic tensioning device - Google Patents
Hydraulic type belt pulley automatic tensioning device Download PDFInfo
- Publication number
- CN104455250A CN104455250A CN201310446608.2A CN201310446608A CN104455250A CN 104455250 A CN104455250 A CN 104455250A CN 201310446608 A CN201310446608 A CN 201310446608A CN 104455250 A CN104455250 A CN 104455250A
- Authority
- CN
- China
- Prior art keywords
- oil hydraulic
- hydraulic cylinder
- communicated
- belt wheel
- working port
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/16—Special measures for feedback, e.g. by a follow-up device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0802—Actuators for final output members
- F16H2007/0812—Fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0876—Control or adjustment of actuators
- F16H2007/0887—Control or adjustment of actuators the tension being a function of load
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a hydraulic type belt pulley automatic tensioning device which comprises a pressure relay, an energy accumulator and an overflow valve. An oil outlet of a hydraulic pump is communicated with a first work port of an electro-hydraulic servo valve and a first work port of an electromagnetic directional valve. A second work port of the electro-hydraulic servo valve and a second work port of the electromagnetic directional valve are both communicated with a rod cavity of a hydraulic cylinder. A rodless cavity of the hydraulic cylinder is communicated with a third work port of the electromagnetic directional valve. The end of a piston rod of the hydraulic cylinder is connected with an adjusting belt pulley. A tensional force sensor used for detecting the tensional force of a belt is arranged on the lower side of the belt between the adjusting belt pulley and a fixed belt pulley. A pulling force sensor is arranged between the end of the piston rod of the hydraulic cylinder and the adjusting belt pulley. The hydraulic type belt pulley automatic tensioning device has the advantages of being high in automation degree, capable of achieving self-adaptive tensioning, reasonable in design, high in adaptability, stability and intelligent degree, long in service life and wide in application range.
Description
Technical field
The invention belongs to hydraulic driving technical field, relate to a kind of automatic takeup, be specifically related to a kind of hydraulic leather belt wheel automatic takeup.
Background technique
Along with China's mining and metallurgy industry are showing improvement or progress day by day, Belt Conveyors is constantly towards high speed, long distance, large conveying quantity and powerful future development, the dynamic characteristic of belt conveyor system becomes increasingly conspicuous, and the requirement of Belt Conveyors to pulley tensioner is more and more higher.Tension device will realize automatically making quick response according to the different running statees of line belt, to overcome the hysteresis quality of line belt, thus effectively ensures the normal operation of Belt Conveyors.At present, in reality, widely used tension device has gravity takeup, fixed tension device and hydraulic type tensioning means etc., but these tension device all can not realize self adaption tensioning.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency of the prior art, provide a kind of hydraulic leather belt to take turns automatic takeup, its automaticity is high, self adaption tensioning can be realized, reasonable in design, adaptability and stability strong, intelligence degree is high, long service life, applied widely.
For achieving the above object, the technical solution used in the present invention is: a kind of hydraulic leather belt wheel automatic takeup, comprise and reach the oil hydraulic cylinder of suitable tension position for adjusting adjusting belt wheel position to make belt and provide the oil hydraulic pump of high pressure liquid force feed for described oil hydraulic cylinder, it is characterized in that: also comprise pressure relay, keep the stable accumulator of hydraulic pipe line internal pressure for hydraulic pipe line repairing and be arranged on described oil hydraulic pump oil outlet place for controlling the relief valve of described belt maximum tension power, described oil hydraulic pump oil outlet is communicated with the first working port of solenoid directional control valve with the first working port of electrohydraulic control respectively, second working port of described electrohydraulic control is all communicated with the rod chamber of described oil hydraulic cylinder with the second working port of described solenoid directional control valve, the rodless cavity of described oil hydraulic cylinder is communicated with the 3rd working port of described solenoid directional control valve, 3rd working port of described electrohydraulic control is all communicated with fuel tank with the 4th working port of described solenoid directional control valve, the piston rod end of described oil hydraulic cylinder is connected with described adjustment belt wheel, described oil hydraulic pump oil outlet is all communicated with described accumulator with described pressure relay, the tension pick-up for detecting described belt tension is provided with on the downside of belt between described adjustment belt wheel and described fixed pulley, pulling force sensor is provided with between the piston rod end of described oil hydraulic cylinder and described adjustment belt wheel.
Above-mentioned hydraulic leather belt wheel automatic takeup, is characterized in that: described oil hydraulic pump oil outlet place is provided with one-way valve.
Above-mentioned hydraulic leather belt wheel automatic takeup, it is characterized in that: described electrohydraulic control is 3-position-3-way electrohydraulic control, described solenoid directional control valve is three-position four-way electromagnetic directional valve.
The present invention compared with prior art has the following advantages:
(1) this hydraulic leather belt wheel automatic takeup is provided with pressure relay and multiple force snesor, and can realize self adaption tensioning, automaticity is very high.
(2) design of this hydraulic leather belt wheel automatic takeup is very reasonable, adopts mechanical, electrical, liquid integrated design, and by force, intelligence degree is very high for adaptability and stability.
(3) this hydraulic leather belt wheel automatic takeup is in use without rigid impulse, long service life and applied widely.
Below by drawings and Examples, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is hydraulic control principle schematic of the present invention.
Description of reference numerals:
1-fuel tank; 2-oil hydraulic pump; 3-one-way valve;
4-pressure relay; 5-accumulator; 6-electrohydraulic control;
7-tension pick-up; 8-fixed pulley; 9-belt;
10-regulate belt wheel; 11-pulling force sensor; 12-oil hydraulic cylinder;
13-solenoid directional control valve; 14-relief valve.
Embodiment
A kind of hydraulic leather belt wheel automatic takeup as shown in Figure 1, comprise and regulate belt wheel 10 position reach the oil hydraulic cylinder 12 of suitable tension position to make belt 9 and provide the oil hydraulic pump 2 of high pressure liquid force feed for described oil hydraulic cylinder 12 for adjusting, also comprise pressure relay 4, keep the stable accumulator 5 of hydraulic pipe line internal pressure for hydraulic pipe line repairing and be arranged on described oil hydraulic pump 2 oil outlet place for controlling the relief valve 14 of described belt 9 maximum tension power, described oil hydraulic pump 2 oil outlet is communicated with the first working port of solenoid directional control valve 13 with the first working port of electrohydraulic control 6 respectively, second working port of described electrohydraulic control 6 is all communicated with the rod chamber of described oil hydraulic cylinder 12 with the second working port of described solenoid directional control valve 13, the rodless cavity of described oil hydraulic cylinder 12 is communicated with the 3rd working port of described solenoid directional control valve 13, 3rd working port of described electrohydraulic control 6 is all communicated with fuel tank 1 with the 4th working port of described solenoid directional control valve 13, the piston rod end of described oil hydraulic cylinder 12 is connected with described adjustment belt wheel 10, described oil hydraulic pump 2 oil outlet is all communicated with described accumulator 5 with described pressure relay 4, the tension pick-up 7 for detecting described belt 9 tension force is provided with on the downside of belt 9 between described adjustment belt wheel 10 and described fixed pulley 8, pulling force sensor 11 is provided with between the piston rod end of described oil hydraulic cylinder 12 and described adjustment belt wheel 10.
In the present embodiment, described oil hydraulic pump 2 oil outlet place is provided with one-way valve 3.
In the present embodiment, described electrohydraulic control 6 is 3-position-3-way electrohydraulic control, and described solenoid directional control valve 13 is three-position four-way electromagnetic directional valve.
The working procedure of hydraulic leather belt wheel automatic takeup of the present invention is: first this hydraulic leather belt wheel automatic takeup is arranged on working position, before Belt Conveyors starts, the pressure of oil hydraulic cylinder 12 is controlled by relief valve 14.Solenoid directional control valve 13 is in left position, and electrohydraulic control 6 is in meta, the piston rod fast retractile of oil hydraulic cylinder 12, quick tightening belt 9, when pulling force sensor 11 detects that the pressure of oil hydraulic cylinder 12 reaches the breakout pressure of this conveyor, pressure relay 4 sends electrical signal, and conveyor starts.When belt 9 motion speed reaches specified operating rate, meta got back to by solenoid directional control valve 13, tensioning means is switched to electrohydraulic control 6 state of a control, and belt 9 tension variation according to being detected by tension pick-up 7 adjusts tightening force in real time, realizes the automatic adjustment of belt 9.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solution of the present invention.
Claims (3)
1. a hydraulic leather belt wheel automatic takeup, comprise and regulate belt wheel (10) position reach the oil hydraulic cylinder (12) of suitable tension position to make belt (9) and provide the oil hydraulic pump (2) of high pressure liquid force feed for described oil hydraulic cylinder (12) for adjusting, it is characterized in that: also comprise pressure relay (4), keep the stable accumulator (5) of hydraulic pipe line internal pressure for hydraulic pipe line repairing and be arranged on described oil hydraulic pump (2) oil outlet place for controlling the relief valve (14) of described belt (9) maximum tension power; described oil hydraulic pump (2) oil outlet is communicated with the first working port of solenoid directional control valve (13) with the first working port of electrohydraulic control (6) respectively, second working port of described electrohydraulic control (6) is all communicated with the rod chamber of described oil hydraulic cylinder (12) with the second working port of described solenoid directional control valve (13), the rodless cavity of described oil hydraulic cylinder (12) is communicated with the 3rd working port of described solenoid directional control valve (13), 3rd working port of described electrohydraulic control (6) is all communicated with fuel tank (1) with the 4th working port of described solenoid directional control valve (13), the piston rod end of described oil hydraulic cylinder (12) is connected with described adjustment belt wheel (10), described oil hydraulic pump (2) oil outlet is all communicated with described accumulator (5) with described pressure relay (4), belt (9) downside between described adjustment belt wheel (10) and described fixed pulley (8) is provided with the tension pick-up (7) for detecting described belt (9) tension force, pulling force sensor (11) is provided with between the piston rod end of described oil hydraulic cylinder (12) and described adjustment belt wheel (10).
2., according to hydraulic leather belt wheel automatic takeup according to claim 1, it is characterized in that: described oil hydraulic pump (2) oil outlet place is provided with one-way valve (3).
3., according to hydraulic leather belt wheel automatic takeup according to claim 1, it is characterized in that: described electrohydraulic control (6) is 3-position-3-way electrohydraulic control, and described solenoid directional control valve (13) is three-position four-way electromagnetic directional valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446608.2A CN104455250A (en) | 2013-09-23 | 2013-09-23 | Hydraulic type belt pulley automatic tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446608.2A CN104455250A (en) | 2013-09-23 | 2013-09-23 | Hydraulic type belt pulley automatic tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104455250A true CN104455250A (en) | 2015-03-25 |
Family
ID=52901798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310446608.2A Pending CN104455250A (en) | 2013-09-23 | 2013-09-23 | Hydraulic type belt pulley automatic tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104455250A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179083A (en) * | 2015-11-09 | 2015-12-23 | 重庆大学 | Tension adjusting device for self-adaptive engine front end accessory gear train |
| CN107225869A (en) * | 2017-06-26 | 2017-10-03 | 太仓市虹鹰印花有限公司 | A kind of stamp hydraulic drive motor |
| CN107327547A (en) * | 2017-07-19 | 2017-11-07 | 江苏丰东热技术有限公司 | A kind of chain tension controlling organization and chain tension control method |
| CN108006015A (en) * | 2017-11-24 | 2018-05-08 | 四川凌峰航空液压机械有限公司 | Dynamic test stand supplies oil return hydraulic system |
| CN109178798A (en) * | 2018-09-07 | 2019-01-11 | 广州焙欧机械设备有限公司 | A kind of continuous tunnel furnace hydraulic pressure tension system |
| CN109230272A (en) * | 2018-08-31 | 2019-01-18 | 北部湾港防城港码头有限公司 | A kind of belt feeder hydraulic tensioning control device |
| CN110475731A (en) * | 2017-01-16 | 2019-11-19 | 蒂森克虏伯工业解决方案(美国)公司 | Hydraulic pressure tension system for conveyer |
| CN114148688A (en) * | 2021-11-11 | 2022-03-08 | 中建材创新科技研究院有限公司 | Drying machine and chain tensioning device thereof |
-
2013
- 2013-09-23 CN CN201310446608.2A patent/CN104455250A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179083A (en) * | 2015-11-09 | 2015-12-23 | 重庆大学 | Tension adjusting device for self-adaptive engine front end accessory gear train |
| CN105179083B (en) * | 2015-11-09 | 2018-10-19 | 重庆大学 | The tension-adjusting gear of adaptive engine front end accessory gear |
| CN110475731A (en) * | 2017-01-16 | 2019-11-19 | 蒂森克虏伯工业解决方案(美国)公司 | Hydraulic pressure tension system for conveyer |
| CN107225869A (en) * | 2017-06-26 | 2017-10-03 | 太仓市虹鹰印花有限公司 | A kind of stamp hydraulic drive motor |
| CN107327547A (en) * | 2017-07-19 | 2017-11-07 | 江苏丰东热技术有限公司 | A kind of chain tension controlling organization and chain tension control method |
| CN108006015A (en) * | 2017-11-24 | 2018-05-08 | 四川凌峰航空液压机械有限公司 | Dynamic test stand supplies oil return hydraulic system |
| CN108006015B (en) * | 2017-11-24 | 2023-08-15 | 四川凌峰航空液压机械有限公司 | Hydraulic circulation system for oil supply and return of dynamic test bed |
| CN109230272A (en) * | 2018-08-31 | 2019-01-18 | 北部湾港防城港码头有限公司 | A kind of belt feeder hydraulic tensioning control device |
| CN109178798A (en) * | 2018-09-07 | 2019-01-11 | 广州焙欧机械设备有限公司 | A kind of continuous tunnel furnace hydraulic pressure tension system |
| CN114148688A (en) * | 2021-11-11 | 2022-03-08 | 中建材创新科技研究院有限公司 | Drying machine and chain tensioning device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |