CN204433634U - The hydraulic control system of belt conveyer self adaptation tightening device - Google Patents
The hydraulic control system of belt conveyer self adaptation tightening device Download PDFInfo
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- CN204433634U CN204433634U CN201420712432.0U CN201420712432U CN204433634U CN 204433634 U CN204433634 U CN 204433634U CN 201420712432 U CN201420712432 U CN 201420712432U CN 204433634 U CN204433634 U CN 204433634U
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- over valve
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Abstract
The utility model discloses a kind of hydraulic control system of belt conveyer self adaptation tightening device, comprise Hydraulic Pump and hydraulic actuating cylinder, the rodless cavity of described hydraulic actuating cylinder is communicated with the C mouth of change-over valve two, the rod chamber of described hydraulic actuating cylinder is communicated with the B mouth of change-over valve two, the A mouth of described change-over valve two is communicated with the oil outlet of described Hydraulic Pump, the change-over valve one of oil outlet successively through being connected in parallel of described Hydraulic Pump is communicated with the rod chamber of described hydraulic actuating cylinder with change-over valve three and described electromagnetic proportional valve group, the oil outlet place of described Hydraulic Pump is provided with energy storage, described energy storage port is provided with pressure relay.The utility model has following characteristics: reasonable in design, can realize self adaptation tensioning, and by force, degree of automation is very high, and intelligence degree is high, and long service life is applied widely for comformability and stability.
Description
Technical field
The utility model belongs to hydraulic-driven technical field, relates to a kind of hydraulic efficiency pressure system, is specifically related to a kind of hydraulic control system for the tensioning of points driving for belt conveyor alternate sheave self adaptation.
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 pulley tensioner 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, a kind of hydraulic control system of belt conveyer self adaptation tightening device is provided, it is reasonable in design, self adaptation tensioning can be realized, by force, degree of automation is very high, and intelligence degree is high for comformability and stability, long service life, applied widely.
For achieving the above object, the technical solution adopted in the utility model is: a kind of hydraulic control system of belt conveyer self adaptation tightening device, comprise Hydraulic Pump and take turns position with the hydraulic actuating cylinder making the belt between fixed pulley and movable belt wheel reach appropriate tensile strength for adjusting active belt, it is characterized in that: the rodless cavity of described hydraulic actuating cylinder is communicated with the C mouth of change-over valve two, the rod chamber of described hydraulic actuating cylinder is communicated with the B mouth of change-over valve two, the A mouth of described change-over valve two is communicated with the oil outlet of described Hydraulic Pump, the D mouth of described change-over valve two is communicated with described fuel tank, the change-over valve one of oil outlet successively through being connected in parallel of described Hydraulic Pump is communicated with the rod chamber of described hydraulic actuating cylinder with change-over valve three and described electromagnetic proportional valve group, the oil outlet place of described Hydraulic Pump arranges promising system storage high pressure liquid force feed to prevent the energy storage of described Hydraulic Pump frequent starting, described energy storage port is provided with the pressure relay automatically controlling the startup of described Hydraulic Pump according to the force value of hydraulic oil in described energy storage or shut down.
The hydraulic control system of above-mentioned belt conveyer self adaptation tightening device, is characterized in that: the oil outlet place of described Hydraulic Pump is provided with check valve and by pass valve.
The hydraulic control system of above-mentioned belt conveyer self adaptation tightening device, is characterized in that: the oil suction place of described Hydraulic Pump is provided with oil filter.
The hydraulic control system of above-mentioned belt conveyer self adaptation tightening device, is characterized in that: described change-over valve one and described change-over valve three are bi-bit bi-pass solenoid directional control valve.
The hydraulic control system of above-mentioned belt conveyer self adaptation tightening device, is characterized in that: described change-over valve two is three-position four-way electromagnetic directional valve.
The utility model compared with prior art has the following advantages:
(1) hydraulic control system design of this belt conveyer self adaptation tightening device is very reasonable, adopts mechanical, electrical, liquid integrated design, can realize self adaptation tensioning, and by force, degree of automation is very high for comformability and stability.
(2) pressure relay and energy storage is provided with in the hydraulic control system of this belt conveyer self adaptation tightening device; pressure relay can according to the automatic hydraulic control pump startup of the force value of hydraulic oil in energy storage or shutdown; thus preventing the frequent starting of Hydraulic Pump, intelligence degree is high.
(3) electromagnetic proportional valve group is provided with in the hydraulic control system of this belt conveyer self adaptation tightening device, can the oil-feed speed of hydraulic control cylinder automatically, system hydraulic efficiency impact is little, and service life strengthens greatly.
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-change-over valve one;
7-electromagnetic proportional valve group; 8-fixed pulley; 9-belt;
10-movable belt wheel; 11-hydraulic actuating cylinder; 12-change-over valve two.
13-change-over valve three; 14-by pass valve; 15-oil filter.
Detailed description of the invention
The hydraulic control system of a kind of belt conveyer self adaptation tightening device as shown in Figure 1, comprise Hydraulic Pump 2 and for adjusting movable belt wheel 10 position with the hydraulic actuating cylinder 11 making the belt 9 between fixed pulley 8 and movable belt wheel 10 reach appropriate tensile strength, the rodless cavity of described hydraulic actuating cylinder 11 is communicated with the C mouth of change-over valve 2 12, the rod chamber of described hydraulic actuating cylinder 11 is communicated with the B mouth of change-over valve 2 12, the A mouth of described change-over valve 2 12 is communicated with the oil outlet of described Hydraulic Pump 2, the D mouth of described change-over valve 2 12 is communicated with described fuel tank 1, the change-over valve one 6 of oil outlet successively through being connected in parallel of described Hydraulic Pump 2 is communicated with the rod chamber of described hydraulic actuating cylinder 11 with change-over valve 3 13 and described electromagnetic proportional valve group 7, the oil outlet place of described Hydraulic Pump 2 arranges promising system storage high pressure liquid force feed to prevent the energy storage 5 of described Hydraulic Pump 2 frequent starting, described energy storage 5 port is provided with and automatically controls according to the force value of hydraulic oil in described energy storage 5 pressure relay 4 that described Hydraulic Pump 2 starts or shut down.
In the present embodiment, the oil outlet place of described Hydraulic Pump 2 is provided with check valve 3 and by pass valve 14.
In the present embodiment, the oil suction place of described Hydraulic Pump 2 is provided with oil filter 15.
In the present embodiment, described change-over valve 1 and described change-over valve 3 13 are bi-bit bi-pass solenoid directional control valve.
In the present embodiment, described change-over valve 2 12 is three-position four-way electromagnetic directional valve.
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 (5)
1. the hydraulic control system of a belt conveyer self adaptation tightening device, comprise Hydraulic Pump (2) and for adjusting movable belt wheel (10) position with the hydraulic actuating cylinder (11) making the belt (9) between fixed pulley (8) and movable belt wheel (10) reach appropriate tensile strength, it is characterized in that: the rodless cavity of described hydraulic actuating cylinder (11) is communicated with the C mouth of change-over valve two (12), the rod chamber of described hydraulic actuating cylinder (11) is communicated with the B mouth of change-over valve two (12), the A mouth of described change-over valve two (12) is communicated with the oil outlet of described Hydraulic Pump (2), the D mouth of described change-over valve two (12) is communicated with fuel tank (1), the change-over valve one (6) of oil outlet successively through being connected in parallel of described Hydraulic Pump (2) is communicated with the rod chamber of described hydraulic actuating cylinder (11) with change-over valve three (13) and electromagnetic proportional valve group (7), the oil outlet place of described Hydraulic Pump (2) arranges promising system storage high pressure liquid force feed to prevent the energy storage (5) of described Hydraulic Pump (2) frequent starting, described energy storage (5) port is provided with the pressure relay (4) automatically controlling described Hydraulic Pump (2) startup according to the force value of described energy storage (5) interior hydraulic oil or shut down.
2. according to the hydraulic control system of 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 provided with check valve (3) and by pass valve (14).
3. according to the hydraulic control system of belt conveyer self adaptation tightening device according to claim 1, it is characterized in that: the oil suction place of described Hydraulic Pump (2) is provided with oil filter (15).
4. according to the hydraulic control system of belt conveyer self adaptation tightening device according to claim 1, it is characterized in that: described change-over valve one (6) and described change-over valve three (13) are bi-bit bi-pass solenoid directional control valve.
5. according to the hydraulic control system of belt conveyer self adaptation tightening device according to claim 1, it is characterized in that: described change-over valve two (12) is three-position four-way electromagnetic directional valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420712432.0U CN204433634U (en) | 2014-11-21 | 2014-11-21 | The hydraulic control system of belt conveyer self adaptation tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420712432.0U CN204433634U (en) | 2014-11-21 | 2014-11-21 | The hydraulic control system of belt conveyer self adaptation tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204433634U true CN204433634U (en) | 2015-07-01 |
Family
ID=53601532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420712432.0U Expired - Fee Related CN204433634U (en) | 2014-11-21 | 2014-11-21 | The hydraulic control system of belt conveyer self adaptation tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204433634U (en) |
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2014
- 2014-11-21 CN CN201420712432.0U patent/CN204433634U/en not_active Expired - Fee Related
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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: 20150701 Termination date: 20151121 |
|
| EXPY | Termination of patent right or utility model |