CN201305334Y - Hydraulic control system of tension device for belt conveyor - Google Patents
Hydraulic control system of tension device for belt conveyor Download PDFInfo
- Publication number
- CN201305334Y CN201305334Y CNU2008202213322U CN200820221332U CN201305334Y CN 201305334 Y CN201305334 Y CN 201305334Y CN U2008202213322 U CNU2008202213322 U CN U2008202213322U CN 200820221332 U CN200820221332 U CN 200820221332U CN 201305334 Y CN201305334 Y CN 201305334Y
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 21
- 239000002828 fuel tank Substances 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000004146 energy storage Methods 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 abstract 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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Abstract
The utility model discloses a hydraulic control system of a tension device for a belt conveyor. An outlet of a three-position four-way reversing valve of the system is connected with an energy accumulator and a front cavity of a tension oil cylinder; the other path of the outlet of the three-position four-way reversing valve is connected with a rear cavity of the tension oil cylinder and an oil controlling port of a hydraulic control one-way valve; an outlet of a second hydraulic oil pump is connected with an inlet of a second electromagnetic relief valve and an inlet of an electromagnetic directional valve; an outlet of a third hydraulic oil pump is connected with an inlet of an unloading valve and the inlet of the electromagnetic directional valve; two outlets of the electromagnetic directional valve are connected with two inlets of a shuttle type valve in parallel; and one of the two outlets of the electromagnetic directional valve is connected with one interface of a hydraulic motor via a balance valve, while the other one is directly connected with the hydraulic motor and the balance valve. The hydraulic control system has favorable self-locked performance, small occupied area, high output efficiency and low energy consumption; and in addition, a control actuating mechanism is a hydraulic oil cylinder and the hydraulic motor, thereby ensuring that the hydraulic motor has two speeds and meeting the requirement of the speed of the tension device.
Description
Technical field
The utility model relates to and a kind of belt conveyer is carried out slack-free hydraulic control system.
Background technology
Current belt conveyer Hydranlic tensioner hydraulic efficiency pressure system, actuating unit adopts hydraulic ram mostly, and perhaps hydraulic ram adds the mode of electronic winch, its defective is: the two interoperation complexity, the self-locking property of electric winch is poor, and floor area is big, should not use in narrow and small place.Also have independent employing hydraulic wireline winch to control, its HM Hydraulic Motor adopts the fluid motor-driven of slow speed of revolution, high pulling torque mostly, and output efficiency is low, the energy consumption height, and have only a kind of speed, can not satisfy the requirement of tightening device speed speed.
Summary of the invention
The purpose of this utility model provides a kind of belt conveyer tightening device hydraulic control system, and this device self-locking property is good, and floor area is little, and the output efficiency height can satisfy the requirement of tightening device speed speed.
The purpose of this utility model is achieved in that this system comprises three hydraulic oil pumps, the outlet of first hydraulic oil pump, first electromagnetic relief valve inlet links to each other with the three position four-way directional control valve inlet, the outlet of first electromagnetic relief valve links to each other with fuel tank, three position four-way directional control valve inlet in addition links to each other with fuel tank, three position four-way directional control valve exports one the tunnel through hydraulic control one-way valve and energy storage, the tensioning hydro-cylinder ante-chamber, pressure transformer, pressure relay, compression indicator and by pass valve inlet link to each other, by pass valve outlet links to each other with fuel tank, and three position four-way directional control valve exports other one the tunnel and links to each other with tensioning hydro-cylinder back cavity and hydraulic control one-way valve control port; The outlet of second hydraulic oil pump links to each other with second electromagnetic relief valve inlet and electromagnetic switch valve inlet, the outlet of second electromagnetic relief valve links to each other with fuel tank, solenoid directional control valve inlet in addition links to each other with fuel tank, the outlet of the 3rd hydraulic oil pump links to each other with unloader valve inlet and electromagnetic switch valve inlet, the 3rd hydraulic oil pump inlet links to each other with fuel tank, the unloader valve outlet links to each other with fuel tank, two inlets of two delivery ports of solenoid directional control valve and shuttle type valve are in parallel, two delivery ports one tunnel of solenoid directional control valve link to each other with an interface of HM Hydraulic Motor through balance cock, another road directly links to each other with the another one interface of HM Hydraulic Motor and the control port of balance cock, and shuttle type valve outlet port links to each other with brake cylinder.
Self-locking property of the present utility model is good, and floor area is little, the output efficiency height, and energy consumption is low, and control executing mechanism is that hydraulic ram adds HM Hydraulic Motor, can make HM Hydraulic Motor possess two kinds of speed, can satisfy the requirement of tightening device speed speed.
Description of drawings
Fig. 1 is a hydraulic circuit principle schematic of the present utility model.
1,7 is electromagnetic relief valve among the figure, and 2,9 is electrical motor, and 3,5,10 is filter, and 4,6,11 is hydraulic oil pump, 8 is by pass valve, and 12 is unloader valve, and 13 is fuel tank, and 14 is solenoid directional control valve, 15 is shuttle type valve, and 16 is balance cock, and 17 is HM Hydraulic Motor, 18 is brake cylinder, and 19 is pressure relay, and 20 is tensioning hydro-cylinder, 21,24 is compression indicator, and 22 is three position four-way directional control valve, and 23 is hydraulic control one-way valve, 25 is energy storage, and 26 is pressure transformer, 1. 2. 3. 4. 5. is high-pressure rubber pipe.
The specific embodiment
In Fig. 1, first hydraulic oil pump 4, second hydraulic oil pump 6 are the twin pump that same electrical motor 2 drives.4 outlets of first hydraulic oil pump are connected with first electromagnetic relief valve, 1 inlet, and are connected to three position four-way directional control valve 22 inlets.1 outlet of first electromagnetic relief valve links to each other with fuel tank 13.Three position four-way directional control valve 22 inlet in addition links to each other with fuel tank 13.3. three position four-way directional control valve 22 outlets one tunnel link to each other with energy storage 25 through hydraulic control one-way valve 23, high-pressure rubber pipe, 2. link to each other with tensioning hydro-cylinder 20 ante-chambers through high-pressure rubber pipe then, be connected with pressure transformer 26, pressure relay 19, compression indicator 21 and by pass valve 8 inlets simultaneously.By pass valve 8 outlets link to each other with fuel tank 13.Three position four-way directional control valve 22 outlet is leaded up to high-pressure rubber pipe in addition and is 1. linked to each other with tensioning hydro-cylinder 20 back cavities, and the while links to each other with hydraulic control one-way valve 23 control ports.6 outlets of second hydraulic oil pump connect second electromagnetic relief valve, 7 inlets, and are connected to solenoid directional control valve 14 inlets.7 outlets of second electromagnetic relief valve link to each other with fuel tank 13.Solenoid directional control valve 14 inlet in addition links to each other with fuel tank 13, and the 3rd hydraulic oil pump 11 is driven by electrical motor 9 separately.11 outlets of the 3rd hydraulic oil pump connect unloader valve 12 inlets, and are connected to solenoid directional control valve 14 inlets.The 3rd hydraulic oil pump 11 inlet in addition links to each other with fuel tank 13 by filter 10.Unloader valve 12 outlets link to each other with fuel tank 13.14 two delivery ports of solenoid directional control valve respectively through high-pressure rubber pipe 4., 5. in parallel with 15 two inlets of shuttle type valve, 14 two delivery ports one tunnel of solenoid directional control valve through balance cock 16 to HM Hydraulic Motor 17, the another one interface of HM Hydraulic Motor 17 is directly received on another road, and links to each other with the control port of balance cock 16.15 outlets of shuttle type valve link to each other with brake cylinder 18, and the connection between each associated components is through pipeline or valve piece bonded assembly.
Claims (1)
1. belt conveyer tightening device hydraulic control system, this system comprises three hydraulic oil pumps, it is characterized in that the outlet of first hydraulic oil pump, first electromagnetic relief valve inlet links to each other with the three position four-way directional control valve inlet, the outlet of first electromagnetic relief valve links to each other with fuel tank, three position four-way directional control valve inlet in addition links to each other with fuel tank, three position four-way directional control valve exports one the tunnel through hydraulic control one-way valve and energy storage, the tensioning hydro-cylinder ante-chamber, pressure transformer, pressure relay, compression indicator and by pass valve inlet link to each other, by pass valve outlet links to each other with fuel tank, and three position four-way directional control valve exports other one the tunnel and links to each other with tensioning hydro-cylinder back cavity and hydraulic control one-way valve control port; The outlet of second hydraulic oil pump links to each other with second electromagnetic relief valve inlet and electromagnetic switch valve inlet, the outlet of second electromagnetic relief valve links to each other with fuel tank, solenoid directional control valve inlet in addition links to each other with fuel tank, the outlet of the 3rd hydraulic oil pump links to each other with unloader valve inlet and electromagnetic switch valve inlet, the 3rd hydraulic oil pump inlet links to each other with fuel tank, the unloader valve outlet links to each other with fuel tank, two inlets of two delivery ports of solenoid directional control valve and shuttle type valve are in parallel, two delivery ports one tunnel of solenoid directional control valve link to each other with an interface of HM Hydraulic Motor through balance cock, another road directly links to each other with the another one interface of HM Hydraulic Motor and the control port of balance cock, and shuttle type valve outlet port links to each other with brake cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202213322U CN201305334Y (en) | 2008-11-21 | 2008-11-21 | Hydraulic control system of tension device for belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202213322U CN201305334Y (en) | 2008-11-21 | 2008-11-21 | Hydraulic control system of tension device for belt conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201305334Y true CN201305334Y (en) | 2009-09-09 |
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ID=41097798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202213322U Expired - Fee Related CN201305334Y (en) | 2008-11-21 | 2008-11-21 | Hydraulic control system of tension device for belt conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201305334Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102295154A (en) * | 2011-06-08 | 2011-12-28 | 徐州五洋科技有限公司 | Electro-hydraulic control system for disc-type braking device of declining belt conveyor |
| CN102514891A (en) * | 2011-12-16 | 2012-06-27 | 连云港天明装备有限公司 | Chain tightening device of scraper conveyor |
| CN102718029A (en) * | 2012-06-29 | 2012-10-10 | 太原向明机械制造有限公司 | Vertical hydraulic tensioning device of round pipe belt conveyer |
| CN102774610A (en) * | 2012-07-13 | 2012-11-14 | 北京天地玛珂电液控制系统有限公司 | Chain tensioning system of scrapping plate conveyor |
| CN103129919A (en) * | 2013-03-12 | 2013-06-05 | 太原理工大学 | Electro-hydraulic control system of disc type braking device of mine belt conveyor |
| CN103723642A (en) * | 2014-01-16 | 2014-04-16 | 安徽理工大学 | Electric-controlled hydraulic pump station of explosive-proof endless rope winch for mining |
| CN104444121A (en) * | 2014-11-11 | 2015-03-25 | 上海人造板机器厂有限公司 | Cylinder tensioning gear for material rake device of spreading machine |
-
2008
- 2008-11-21 CN CNU2008202213322U patent/CN201305334Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102295154A (en) * | 2011-06-08 | 2011-12-28 | 徐州五洋科技有限公司 | Electro-hydraulic control system for disc-type braking device of declining belt conveyor |
| CN102514891A (en) * | 2011-12-16 | 2012-06-27 | 连云港天明装备有限公司 | Chain tightening device of scraper conveyor |
| CN102514891B (en) * | 2011-12-16 | 2013-11-06 | 连云港天明装备有限公司 | Chain tightening device of scraper conveyor |
| CN102718029A (en) * | 2012-06-29 | 2012-10-10 | 太原向明机械制造有限公司 | Vertical hydraulic tensioning device of round pipe belt conveyer |
| CN102774610A (en) * | 2012-07-13 | 2012-11-14 | 北京天地玛珂电液控制系统有限公司 | Chain tensioning system of scrapping plate conveyor |
| CN103129919A (en) * | 2013-03-12 | 2013-06-05 | 太原理工大学 | Electro-hydraulic control system of disc type braking device of mine belt conveyor |
| CN103129919B (en) * | 2013-03-12 | 2015-05-20 | 太原理工大学 | Electro-hydraulic control system of disc type braking device of mine belt conveyor |
| CN103723642A (en) * | 2014-01-16 | 2014-04-16 | 安徽理工大学 | Electric-controlled hydraulic pump station of explosive-proof endless rope winch for mining |
| CN103723642B (en) * | 2014-01-16 | 2016-05-25 | 安徽理工大学 | Mine flame-proof electrodeless rope winch electric-controlled hydraulic pumping plant |
| CN104444121A (en) * | 2014-11-11 | 2015-03-25 | 上海人造板机器厂有限公司 | Cylinder tensioning gear for material rake device of spreading machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 221116 No. 9006-1 Kunlun Avenue, Copper Mt. New District, Jiangsu, Xuzhou Patentee after: Xuzhou Wuyang Technology Co.,Ltd. Address before: 221116 Tianjin Road, Copper Mt. New District, Jiangsu, Xuzhou Patentee before: Xuzhou Wuyang Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20161121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |