CN2842088Y - Numerical control hydraulic oil cylinder type tensioning device - Google Patents
Numerical control hydraulic oil cylinder type tensioning device Download PDFInfo
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- CN2842088Y CN2842088Y CN 200520075887 CN200520075887U CN2842088Y CN 2842088 Y CN2842088 Y CN 2842088Y CN 200520075887 CN200520075887 CN 200520075887 CN 200520075887 U CN200520075887 U CN 200520075887U CN 2842088 Y CN2842088 Y CN 2842088Y
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- oil cylinder
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- control
- tensioning
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- 239000010720 hydraulic oil Substances 0.000 title abstract description 4
- 239000007788 liquid Substances 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 9
- 239000002828 fuel tank Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 37
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000004146 energy storage Methods 0.000 abstract 2
- 230000002265 prevention Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000002337 anti-port Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000010729 system oil Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model relates to a numerical control hydraulic oil cylinder type tensioning device. A man-machine interface is adopted for operation, and a programmable controller (PLC) is adopted for control. A tension regulation oil cylinder is used as a tensioning actuating mechanism. The tension can be arranged by the electric appliance control, the digital display and the man-machine interface, and variation condition of the tension can be monitored at real time. Automatic control of the size of the tension at start, run and stop states when a belt type conveyer runs forwards and backwards can be realized. The purpose of slip prevention when a conveying belt starts and different requirements to the tension when the conveying belt normally runs can be satisfied. After stable running of the belt type conveyer, a hydraulic station has no power and has cold reserve to a tension regulation oil cylinder by utilizing an energy storage device, and the tension regulation oil cylinder can keep constant tension. During stopping or accidental power failure time, the energy storage device which the utility model is provided with can control energy, the tension device can realize automatic brake, and the conveying belt can be reliably ensured to be in tension state. The utility model has the advantages of reasonable structure, high reliability, low failure rate, low maintenance cost, energy consumption saving and long service life.
Description
Technical field
The utility model relates to numerical control hydraulic cylinder type tension device, is particularly useful for adjustment and the control of ground such as harbour, harbour, power plant, coal washery with tension force in the Belt Conveyors running.
Background technique
Belt Conveyors is one of the most effective conveying equipment at present, has that conveying capacity is big, simple in structure, investment cost is relatively low and characteristics such as easy to maintenance.Tension device is the important component part in the Belt Conveyors, and the quality of its performance directly influences the performance of Belt Conveyors.The main effect of tension device guarantees to carry to have enough tension force exactly, prevents skidding.The tension device of present existing Belt Conveyors has weight tensioning, fixed tension device and hydraulic oil cylinder type tension device.The gravity takeup structure is the simplest, and is most widely used general, and its advantage is that the tensioning displacement is variable, and shortcoming is that tension force is constant, is unfavorable for regulation and control starting and operating tension force; Fixed tension device is meant that belt tensioning drum can move left and right change tension force at conveyor; but just can adjust after must and shutting down at prestart; and the position is constant all the time in running; tension force changes with the variation of tension force, also is to be unfavorable for regulation and control starting and operating tension force.Because the fixed tensioning mode can only regularly be adjusted the tensioning degree of conveyor belt, generally be initially located in tensioning state, make the conveyor belt of Belt Conveyors bear extra additional load, therefore tension force increases along with the conveyor belt permanent deformation and reduces gradually in running, skidding often occurs; Though the hydraulic oil cylinder type tension device can be realized the starting and the adjustment of tension force in service, but skidding prevented, but can't set required tension force arbitrarily by digital control, realization is controlled automatically.
Summary of the invention
In view of the problem that prior art exists, the purpose of this utility model provide a kind of can be in good time, appropriate regulation, the fast numerical control hydraulic cylinder type tension device of speed of response.
The utility model numerical control hydraulic cylinder type tension device, it comprises the hydraulic station that mainly is made of motor, fuel tank, oil pump, relief valve, electricity liquid ratio relief valve, pressure gauge, hydraulic valve bank, tension detector, the tension adjustment oil cylinder, the tensioning dolly, be provided with electric control cubicle between the tension detector of connection tension adjustment oil cylinder and the hydraulic station, with be provided with accumulator in the oil circuit that the tension adjustment oil cylinder links to each other, the piston rod end that is located at the tension adjustment oil cylinder of tensioning dolly side is provided with a pulley, by pulley directly be fixed on the tensioning dolly on wire rope match.
The utility model numerical control hydraulic cylinder type tension device, described electric control cabinet is mainly connected to form by programmable controller (PLC), man-machine interface, A/D and D/A mixing module, proportional amplifier plate, power module, auxiliary reclay, A.C. contactor and button electrical apparatus element, the tensioning pulling force of the startup in the time of can Belt Conveyors forward, antiport being set arbitrarily by man-machine interface, operation, outage state, set the back by programmable controller (PLC) control hydraulic station, adjust required tension force by the tension adjustment oil cylinder; Oil pump is provided with filter towards the pipeline of hydraulic valve bank in the described hydraulic station, and the pipe that hydraulic valve bank is led to electricity liquid ratio relief valve is provided with filter.
The utility model numerical control hydraulic cylinder type tension device is best suited for adjustment and the control of ground with tension force in the Belt Conveyors running.Adopt the tension adjustment oil cylinder as tensioning actuator, show and man-machine interface setting tension force by electrical equipment control, numeral, monitor the tension force situation of change in real time, realize automatically Belt Conveyors tension force, tensioning control of tension force size when normally moving when starting, satisfy prevent from when conveyor belt starts to skid and conveyor belt when normally moving to the different requirements of tension force, both improved the starting characteristic of Belt Conveyors, also satisfied service condition, saved energy consumption, prolonged simultaneously conveyor belt working life again, increased economic efficiency.After Belt Conveyors operated steadily, the hydraulic station outage also utilized accumulator that the tension adjustment oil cylinder is carried out cold reserve, makes the tension adjustment oil cylinder keep constant tension force; When shutdown or unexpected the power failure, the accumulator may command energy of setting makes tension device realize Braking mode, can guarantee reliably that conveyer belt is in tensioning state.It is rational in infrastructure, hydraulic auto tensioner reliability height, and rate of fault is low, even need safeguard also and can carry out under the non-stop-machine situation of sealing-tape machine tension device, greatly reduces maintenance cost, has guaranteed the operating time of sealing-tape machine.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is man-machine interface figure in the utility model control cabinet.
Among the figure: 1-electric control cubicle 2-motor 3-oil pump 4-filter 5-hydraulic valve bank 6-filter 7-electricity liquid ratio relief valve 8-accumulator 9-tension detection device 10-tension adjustment oil cylinder 11-pulley 12-wire rope 13-tensioning dolly
Embodiment
Below in conjunction with accompanying drawing an embodiment of the present utility model is further described:
The utility model numerical control hydraulic cylinder type tension device, it mainly is made of hydraulic station, electric control cubicle 1, tension detector 9, tension adjustment oil cylinder 10, electric control cubicle 1 is located between tension detector 9 and the hydraulic station, tension detector 9 connects tension adjustment oil cylinders 10, and is provided with accumulator 8 in the oil circuit that tension adjustment oil cylinder 10 links to each other; Tension adjustment oil cylinder 10 is fixed on the axial direction of tensioning dolly 13, and the piston rod end of oil cylinder is provided with a pulley 11, by pulley 11 directly be fixed on tensioning dolly 13 on wire rope 12 match.Electric control cubicle 1 is mainly connected to form by programmable controller (PLC), man-machine interface, A/D and D/A mixing module, proportional amplifier plate, power module, auxiliary reclay, A.C. contactor and button electrical apparatus element; Hydraulic station mainly is made of motor 2, fuel tank, oil pump 3, relief valve, electricity liquid ratio relief valve 7, pressure gauge, hydraulic valve bank 5, the pipeline that oil pump 3 leads to hydraulic valve bank 5 in the hydraulic station is provided with filter 4, and the pipe that hydraulic valve bank 5 is led to electricity liquid ratio relief valve 7 is provided with filter 6.
Working procedure: at first start the Belt Conveyors operation, motor 2 by electric control cubicle 1 control hydraulic station starts then, motor 2 drives oil pump 3 and rotates, fluid enters hydraulic valve bank 5 by filter 4, and by solenoid valve, relief valve and one-way valve on the hydraulic valve bank 5, again through feeding electricity liquid ratio relief valve 7 behind filter 6 fine filterings; System pressure is set by the man-machine interface in the electric control cubicle 1, and realizes by A/D and D/A mixing module and proportional amplifier plate control electricity liquid ratio relief valve 7; The fluid of hydraulic valve bank 5 is given tension adjustment oil cylinder 10 fuel feeding through oil pipe A, accumulator 8 accumulation of energys, be fixed with wire rope 7 on the tensioning dolly 13 of Belt Conveyors, wire rope 7 hangs on the pulley 11 of tension adjustment oil cylinder 10 piston rods, the piston rod of tension adjustment oil cylinder 10 moves right under the effect of oil pressure, drive tensioning dolly 10 and move right, the belt tension that makes belt fail machine reaches 150% (numerical value can be set according to on-the-spot actual the requirement) of normal runtime value.After tension monitor 9 detected conveyor belt and reaches Belt Conveyors and start tension force, signal passed to Belt Conveyors by electric control cubicle 1, and operation is also quickened in the Belt Conveyors starting; After Belt Conveyors reaches the constant speed running state, solenoid valve and electricity liquid ratio relief valve 7 on the electric control cubicle 1 control hydraulic station hydraulic valve bank 5, the hydraulic system oil pressure is reduced, at this moment the piston rod of tension adjustment oil cylinder 10 is to left movement, the tensioning dolly 10 of Belt Conveyors is thereupon to left movement, belt tension is reduced to the required tension value of normal operation, and hydraulic station outage simultaneously relies on accumulator 8 to keep belt tension constant.In Belt Conveyors normal transport process, tension monitor 9 is monitored the tension force of conveyor belt at any time, in case when finding tension force less than the value of normal tension force, it will restart hydraulic station by electric control cubicle 1, the hydraulic station system oil pressure increases, and pass through oil pipe A and give tension adjustment oil cylinder 10 fuel feeding, the piston rod of tension adjustment oil cylinder 10 moves right, make wire rope 12 tensionings of walking around pulley 11, the tensioning dolly 13 of Belt Conveyors moves right, and makes belt tension reach the normal runtime value of Belt Conveyors again.After adjusting end, hydraulic valve bank quits work once more automatically.When needs stop the Belt Conveyors operation, only need press stop botton, the Belt Conveyors tension device will be shut down.When needing Belt Conveyors to start once more, repeat the aforesaid operations program and get final product.
Fig. 2 is the man-machine interface figure on the electric control cubicle 1 of operation control hydraulic auto tensioner; electric control cubicle 1 adopts the mode of man-machine interface operation, programmable controller (PLC) control can realize the comprehensive automation control of digital control hydraulic auto tensioner; the tensioning pulling force of the startup in the time of can Belt Conveyors forward, antiport being set arbitrarily by man-machine interface, operation, outage state; set the back by programmable controller (PLC) control hydraulic station; realize stroke adjustment and tension force quick adjustment by tension adjustment oil cylinder 10, need not again by personnel operation and control.Digital control hydraulic auto tensioner can also be realized manual mode control; only need switch is removed to " manually " position; can press " clockwise and anticlockwise ", " startup tension force ", " running tension " and buttons such as " shutdown tension force " then respectively, automatical control system can be controlled the differential tension value that hydraulic station is realized man-machine setting.The start up period of Belt Conveyors, hydraulic station starts, regulate startup tension force, running tension according to the pressure that man-machine interface is set, after Belt Conveyors operates steadily, the hydraulic station outage, utilize 8 pairs of tension adjustment oil cylinders of accumulator 10 to carry out cold reserve, can make tension adjustment oil cylinder 10 keep constant tension force.
Claims (3)
1. numerical control hydraulic cylinder type tension device, it comprises mainly by motor (2), fuel tank, oil pump (3), relief valve, electricity liquid ratio relief valve (7), pressure gauge, the hydraulic station that hydraulic valve bank (5) constitutes, tension detector (9), tension adjustment oil cylinder (10), tensioning dolly (13), it is characterized in that: be provided with electric control cubicle (1) between the tension detector (9) of connection tension adjustment oil cylinder (10) and the hydraulic station, with be provided with accumulator (8) in the oil circuit that tension adjustment oil cylinder (10) links to each other, the piston rod end that is located at the tension adjustment oil cylinder (10) of tensioning dolly (13) side is provided with a pulley (11), by pulley (11) directly be fixed on tensioning dolly (13) on wire rope (12) match.
2. according to claim 1, it is characterized in that: described electric control cabinet is mainly connected to form by programmable controller (PLC), man-machine interface, A/D and D/A mixing module, proportional amplifier plate, power module, auxiliary reclay, A.C. contactor and button electrical apparatus element.
3. according to claim 1, it is characterized in that: the pipeline that oil pump in the described hydraulic station (3) leads to hydraulic valve bank (5) is provided with filter (4), and the pipe that hydraulic valve bank (5) is led to electricity liquid ratio relief valve (7) is provided with filter (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520075887 CN2842088Y (en) | 2005-09-27 | 2005-09-27 | Numerical control hydraulic oil cylinder type tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520075887 CN2842088Y (en) | 2005-09-27 | 2005-09-27 | Numerical control hydraulic oil cylinder type tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2842088Y true CN2842088Y (en) | 2006-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520075887 Expired - Fee Related CN2842088Y (en) | 2005-09-27 | 2005-09-27 | Numerical control hydraulic oil cylinder type tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2842088Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106144768A (en) * | 2015-04-28 | 2016-11-23 | 博尔富（江苏）实业有限公司 | Takeup tension closed-loop control system |
| CN110342196A (en) * | 2019-08-22 | 2019-10-18 | 上海瑞宝造粒机有限公司 | A kind of granulating system material coolconveyer with steel band automatic tensioning function |
| CN111717603A (en) * | 2019-11-25 | 2020-09-29 | 泰富重工制造有限公司 | Control method for tensioning device of belt conveyor |
| 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 |
-
2005
- 2005-09-27 CN CN 200520075887 patent/CN2842088Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106144768A (en) * | 2015-04-28 | 2016-11-23 | 博尔富（江苏）实业有限公司 | Takeup tension closed-loop control system |
| CN110342196A (en) * | 2019-08-22 | 2019-10-18 | 上海瑞宝造粒机有限公司 | A kind of granulating system material coolconveyer with steel band automatic tensioning function |
| CN110342196B (en) * | 2019-08-22 | 2024-02-20 | 上海瑞宝造粒机有限公司 | Granulating system material cooling conveyor with automatic steel belt tensioning function |
| CN111717603A (en) * | 2019-11-25 | 2020-09-29 | 泰富重工制造有限公司 | Control method for tensioning device of belt conveyor |
| 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 |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061129 Termination date: 20091027 |