CN204341866U - Belt conveyer self adaptation tightening device - Google Patents
Belt conveyer self adaptation tightening device Download PDFInfo
- Publication number
- CN204341866U CN204341866U CN201420706851.3U CN201420706851U CN204341866U CN 204341866 U CN204341866 U CN 204341866U CN 201420706851 U CN201420706851 U CN 201420706851U CN 204341866 U CN204341866 U CN 204341866U
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- mouth
- actuating cylinder
- belt
- directional control
- solenoid directional
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Abstract
The utility model discloses a kind of belt conveyer self adaptation tightening device, comprise fixed pulley and regulate belt wheel, described fixed pulley and described adjustment belt wheel are provided with belt, tension pick-up is provided with on the downside of described belt, described adjustment belt wheel is fixedly connected with the piston rod end of described hydraulic actuating cylinder, pulling force sensor is provided with between described adjustment belt wheel and the piston rod end of described hydraulic actuating cylinder, the rod chamber of described hydraulic actuating cylinder, the A mouth of electrohydraulic servo valve and the B mouth of solenoid directional control valve interconnect, the rodless cavity of described hydraulic actuating cylinder is communicated with the C mouth of described solenoid directional control valve, the B mouth of described electrohydraulic servo valve is all communicated with the oil outlet of Hydraulic Pump with the A mouth of described solenoid directional control valve, the oil outlet place of described Hydraulic Pump is provided with pressure relay and energy storage.The utility model has following characteristics: degree of automation is high, can realize self adaptation tensioning, and by force, intelligence degree is high, long service life, applied widely for comformability and stability.
Description
Technical field
The utility model belongs to hydraulic-driven technical field, relates to a kind of tightening device, is specifically related to a kind of tightening device for self-adaptative adjustment belt conveyer belt.
Background technology
Along with China's mining and metallurgy industry are showing improvement or progress day by day, belt conveyer is constantly towards high speed, long distance, large conveying quantity and high-performance future development, the dynamic characteristics of belt conveyor system becomes increasingly conspicuous, and the requirement of belt conveyer to tightening device is more and more higher.Tightening device will realize automatically making quick response according to the different running statees of belt conveyor, to overcome the hysteresis quality of belt conveyor, thus effectively ensures the normal operation of belt conveyer.At present, in reality, widely used tightening device has gravity takeup and fixed type tightening device etc., but these tightening devices all can not realize self adaptation tensioning.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and provide a kind of belt conveyer self adaptation tightening device, its degree of automation is high, self adaptation tensioning can be realized, reasonable in design, comformability and stability strong, intelligence degree is high, long service life, applied widely.
For achieving the above object, the technical solution adopted in the utility model is: a kind of belt conveyer self adaptation tightening device, comprises Hydraulic Pump and hydraulic actuating cylinder, it is characterized in that: also comprise fixed pulley and regulate belt wheel, described fixed pulley and described adjustment belt wheel are provided with belt, tension pick-up is provided with on the downside of described belt, described adjustment belt wheel is fixedly connected with the piston rod end of described hydraulic actuating cylinder, pulling force sensor is provided with between described adjustment belt wheel and the piston rod end of described hydraulic actuating cylinder, the rod chamber of described hydraulic actuating cylinder, the A mouth of electrohydraulic servo valve and the B mouth of solenoid directional control valve interconnect, the rodless cavity of described hydraulic actuating cylinder is communicated with the C mouth of described solenoid directional control valve, the B mouth of described electrohydraulic servo valve is all communicated with the oil outlet of Hydraulic Pump with the A mouth of described solenoid directional control valve, the C mouth of described electrohydraulic servo valve is all communicated with fuel tank with the D mouth of described solenoid directional control valve, the oil outlet place of described Hydraulic Pump is provided with pressure relay and energy storage.
Above-mentioned belt conveyer self adaptation tightening device, is characterized in that: the oil outlet place of described Hydraulic Pump is disposed with by pass valve and check valve.
Above-mentioned belt conveyer self adaptation tightening device, is characterized in that: described electrohydraulic servo valve is 3-position-3-way electrohydraulic servo valve.
Above-mentioned belt conveyer self adaptation tightening device, is characterized in that: described solenoid directional control valve is three-position four-way electromagnetic directional valve.
The utility model compared with prior art has the following advantages:
(1) this belt conveyer self adaptation tightening device is provided with pressure relay and multiple force snesor, and can realize self adaptation tensioning, degree of automation is very high.
(2) this belt conveyer self adaptation tensioner design is very reasonable, adopts mechanical, electrical, liquid integrated design, and by force, intelligence degree is very high for comformability and stability.
(3) this belt conveyer self adaptation tightening device is in use without rigid shock, long service life and applied widely.
Below by drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is hydraulic control principle schematic of the present utility model.
Description of reference numerals:
1-fuel tank; 2-Hydraulic Pump; 3-check valve;
4-pressure relay; 5-energy storage; 6-electrohydraulic servo valve;
7-tension pick-up; 8-fixed pulley; 9-belt;
10-regulate belt wheel; 11-pulling force sensor; 12-hydraulic actuating cylinder;
13-solenoid directional control valve; 14-by pass valve.
Detailed description of the invention
A kind of belt conveyer self adaptation tightening device as shown in Figure 1, comprises Hydraulic Pump 2 and hydraulic actuating cylinder 12, also comprises fixed pulley 8 and regulates belt wheel 10, described fixed pulley 8 and described adjustment belt wheel 10 are provided with belt 9, the tension pick-up 7 for detecting described belt 9 tension force is provided with on the downside of described belt 9, described adjustment belt wheel 10 is fixedly connected with the piston rod end of described hydraulic actuating cylinder 12, pulling force sensor 11 is provided with between described adjustment belt wheel 10 and the piston rod end of described hydraulic actuating cylinder 12, the rod chamber of described hydraulic actuating cylinder 12, the A mouth of electrohydraulic servo valve 6 and the B mouth of solenoid directional control valve 13 interconnect, the rodless cavity of described hydraulic actuating cylinder 12 is communicated with the C mouth of described solenoid directional control valve 13, the B mouth of described electrohydraulic servo valve 6 is all communicated with the oil outlet of Hydraulic Pump 2 with the A mouth of described solenoid directional control valve 13, the C mouth of described electrohydraulic servo valve 6 is all communicated with fuel tank 1 with the D mouth of described solenoid directional control valve 13, the oil outlet place of described Hydraulic Pump 2 is provided with pressure relay 4 and energy storage 5, energy storage 5 can be hydraulic tubing repairing and keep the pressure stability in hydraulic tubing.
In the present embodiment, the oil outlet place of described Hydraulic Pump 2 is disposed with by pass valve 14 and check valve 3, and by pass valve 14 can control the maximum tension power of belt 9.
In the present embodiment, described electrohydraulic servo valve 6 is 3-position-3-way electrohydraulic servo valve.
In the present embodiment, described solenoid directional control valve 13 is three-position four-way electromagnetic directional valve.
The working process of the utility model belt conveyer self adaptation tightening device is: first this belt conveyer self adaptation tightening device is arranged on control position, and before belt conveyer starts, the pressure of hydraulic actuating cylinder 12 is controlled by by pass valve 14.Solenoid directional control valve 13 is in left position, electrohydraulic servo valve 6 is in meta, the piston rod fast retractile of hydraulic actuating cylinder 12, the tightening belt 9 thus drive adjustment belt wheel 10 moves right, when pulling force sensor 11 detects that the pressure of hydraulic actuating cylinder 12 reaches the actuating pressure of this conveyer, pressure relay 4 sends electric signal, and conveyer starts.When belt 9 running velocity reaches specified work speed, meta got back to by solenoid directional control valve 13, this device is switched to electrohydraulic servo valve 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 adjusument of belt 9.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (4)
1. a belt conveyer self adaptation tightening device, comprises Hydraulic Pump (2) and hydraulic actuating cylinder (12), it is characterized in that: also comprise fixed pulley (8) and regulate belt wheel (10); described fixed pulley (8) and described adjustment belt wheel (10) are provided with belt (9), described belt (9) downside is provided with tension pick-up (7), described adjustment belt wheel (10) is fixedly connected with the piston rod end of described hydraulic actuating cylinder (12), pulling force sensor (11) is provided with between the piston rod end of described adjustment belt wheel (10) and described hydraulic actuating cylinder (12), the rod chamber of described hydraulic actuating cylinder (12), the A mouth of electrohydraulic servo valve (6) and the B mouth of solenoid directional control valve (13) interconnect, the rodless cavity of described hydraulic actuating cylinder (12) is communicated with the C mouth of described solenoid directional control valve (13), the B mouth of described electrohydraulic servo valve (6) is all communicated with the oil outlet of Hydraulic Pump (2) with the A mouth of described solenoid directional control valve (13), the C mouth of described electrohydraulic servo valve (6) is all communicated with fuel tank (1) with the D mouth of described solenoid directional control valve (13), the oil outlet place of described Hydraulic Pump (2) is provided with pressure relay (4) and energy storage (5).
2. according to belt conveyer self adaptation tightening device according to claim 1, it is characterized in that: the oil outlet place of described Hydraulic Pump (2) is disposed with by pass valve (14) and check valve (3).
3. according to belt conveyer self adaptation tightening device according to claim 1, it is characterized in that: described electrohydraulic servo valve (6) is 3-position-3-way electrohydraulic servo valve.
4. according to belt conveyer self adaptation tightening device according to claim 1, it is characterized in that: described solenoid directional control valve (13) is three-position four-way electromagnetic directional valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706851.3U CN204341866U (en) | 2014-11-21 | 2014-11-21 | Belt conveyer self adaptation tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706851.3U CN204341866U (en) | 2014-11-21 | 2014-11-21 | Belt conveyer self adaptation tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204341866U true CN204341866U (en) | 2015-05-20 |
Family
ID=53225155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420706851.3U Expired - Fee Related CN204341866U (en) | 2014-11-21 | 2014-11-21 | Belt conveyer self adaptation tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204341866U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105109922A (en) * | 2015-07-31 | 2015-12-02 | 李伦伟 | Belt conveyor transition section tensile force equalizing apparatus |
-
2014
- 2014-11-21 CN CN201420706851.3U patent/CN204341866U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105109922A (en) * | 2015-07-31 | 2015-12-02 | 李伦伟 | Belt conveyor transition section tensile force equalizing apparatus |
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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: 20150520 Termination date: 20151121 |
|
| EXPY | Termination of patent right or utility model |