CN205779959U - Continuous rope draws tensioning hydraulic control system continuously - Google Patents
Continuous rope draws tensioning hydraulic control system continuously Download PDFInfo
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- CN205779959U CN205779959U CN201620386944.1U CN201620386944U CN205779959U CN 205779959 U CN205779959 U CN 205779959U CN 201620386944 U CN201620386944 U CN 201620386944U CN 205779959 U CN205779959 U CN 205779959U
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- 238000004146 energy storage Methods 0.000 claims abstract description 27
- 239000002828 fuel tank Substances 0.000 claims abstract description 24
- 230000008676 import Effects 0.000 claims abstract description 8
- 238000009825 accumulation Methods 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 abstract description 16
- 239000010959 steel Substances 0.000 abstract description 16
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 33
- 206010020852 Hypertonia Diseases 0.000 description 2
- 235000013351 cheese Nutrition 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 241000282693 Cercopithecidae Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000346 nonvolatile oil Substances 0.000 description 1
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Abstract
A kind of continuous rope draws tensioning hydraulic control system continuously, has tensioning hydro-cylinder, motor-driven oil pump, power pump check valve, low pressure relief valve, explosion-proof pressure controller, energy storage equipment, sequence valve, reversal valve, flow speed control valve, check valve, high-pressure overflow valve, air relief valve, fuel tank；The delivery outlet of described motor-driven oil pump connects with the A mouth of power pump check valve, the B mouth of power pump check valve, the interface of explosion-proof pressure controller, the import and export of energy storage equipment, the A mouth of reversal valve, the A mouth of check valve are connections, the B mouth of the rod chamber of tensioning hydro-cylinder and check valve, the P mouth of high-pressure overflow valve, the P1 mouth of air relief valve, the A mouth of flow speed control valve connect, the B mouth of flow speed control valve connects with the P mouth of reversal valve, the P2 mouth of air relief valve connects with the P mouth of sequence valve, and the A mouth of sequence valve connects with the K mouth of reversal valve.This control system automatic continuous can provide enough initial tension for steel wire rope slack list, it is possible to automatic decision also can be for the enough support reaction of pull rope offer.
Description
Technical field
This utility model relates to continuous rope and draws tensioning hydraulic control system continuously.
Background technology
Continuous rope continuous traction system is as a kind of economic, practical, safe and reliable development of auxiliary transport in coal mines equipment, and colliery has obtained preferable popularization and application at home.Continuous rope continuous traction system comprises track SQ-1200 endless rope series tractor, wire saws monorail crane, wire saws personnel transport monkey car etc..Endless rope traction system utilizes winch drum to produce pull strength with tight wire friction drive and drag load, and tensioner needs to provide enough initial tension for the slack list of steel wire rope or provide enough support reactions for pull rope.China Patent No. is that 201320641933.X discloses a kind of SQ-1200 endless rope series tractor Hydranlic tensioner, tensioning dolly has regulating wheel and assembly pulley, being wound with tensioning steel wire rope on assembly pulley, tensioning steel wire rope one end is connected on hydraulic jack, and the other end is connected on tensioning rope closing dolly.By controlling the flexible of hydraulic jack, pulling tensioning steel wire rope to move before and after driving tensioning dolly, the tensile force of regulation SQ-1200 endless rope series tractor steel wire rope, above-mentioned utility model is not directed to hydraulic principle part.The initial tension of the slack list of the steel wire rope of continuous drafter or the adjusting of support reaction of pull rope are often the most not in place at present.
Summary of the invention
The purpose of this utility model is that proposing a kind of continuous rope draws tensioning hydraulic control system continuously, automatically can be provided enough initial tension for steel wire rope slack list by this control system and provide sufficient enough support reactions for pull rope.
For reaching above-mentioned purpose, this utility model adopts the following technical scheme that: a kind of continuous rope draws tensioning hydraulic control system continuously, has tensioning hydro-cylinder, motor-driven oil pump, power pump check valve, low pressure relief valve, explosion-proof pressure controller, energy storage equipment, sequence valve, reversal valve, flow speed control valve, check valve, high-pressure overflow valve, air relief valve, fuel tank；The delivery outlet of described motor-driven oil pump connects with the working hole A mouth of power pump check valve, another working hole B mouth of power pump check valve, the interface of explosion-proof pressure controller, the import and export of energy storage equipment, the working hole A mouth of reversal valve, the working hole A mouth of check valve is connection, the rod chamber of tensioning hydro-cylinder and the working hole B mouth of check valve, the oil inlet P mouth of high-pressure overflow valve, the oil inlet P of air relief valve 1 mouthful, the working hole A mouth connection of flow speed control valve, the working hole B mouth of flow speed control valve connects with the P mouth of reversal valve, the oil-out P2 mouth of air relief valve connects with the oil-out P mouth of sequence valve, the working hole A mouth of sequence valve connects with the control mouth K mouth of reversal valve, the oil return inlet T mouth of high-pressure overflow valve, the oil return inlet T mouth of air relief valve, the oil return inlet T mouth of flow speed control valve all connects with fuel tank.
Pipeline between described explosion-proof pressure controller and fuel tank is connected and has low pressure relief valve.
It is connected on pipeline between working hole B mouth and the tensioning hydro-cylinder rod chamber of described check valve and has the second ball valve.
Being provided with the quick return line of accumulator between import and export and the fuel tank of described energy storage equipment, connecting in the quick return line of accumulator has the first ball valve.
Being provided with the quick return line of tensioning hydro-cylinder between described second ball valve and fuel tank, connecting in the quick return line of tensioning hydro-cylinder has the 3rd ball valve.
This control system also has hand oil pump and manual pump check valve, and the delivery outlet of hand oil pump connects with the working hole A mouth of manual pump check valve, and another working hole B mouth of manual pump check valve connects same pipeline with the working hole B mouth of power pump check valve.
Described energy storage equipment has 1 to 2 Accumulator arrangements, Accumulator arrangements has accumulator, accumulation of energy the first ball valve, accumulation of energy the second ball valve, orifice plate and energy storage safety valve, the oil inlet P mouth of accumulation of energy the first ball valve, orifice plate and energy storage safety valve is all connected with the valve port of accumulator, accumulation of energy the second ball valve one end is connected with orifice plate, the other end connects with fuel tank, and the oil return inlet T mouth of energy storage safety valve connects with fuel tank.
This utility model has a following good effect: this control system automatic continuous can provide enough initial tension for steel wire rope slack list, it is possible to automatic decision also can be for the enough support reaction of pull rope offer.
Accompanying drawing explanation
Fig. 1 is hydraulic principle figure of the present utility model.
Fig. 2 is to apply SQ-1200 endless rope series tractor schematic diagram of the present utility model.
Detailed description of the invention
Embodiment 1
Seeing that Fig. 2, SQ-1200 endless rope series tractor have winch 31, tensioning dolly 32, tail wheel 33, tensioning dolly 32 has cheese 32-1, pull rope 34 walks around cheese 32-1 and tail wheel 33, and the two ends of pull rope are connected on winch 31.
See that Fig. 1, the present embodiment have motor-driven oil pump 1, power pump check valve 2, low pressure relief valve 3, explosion-proof pressure controller 6, energy storage equipment 8, sequence valve 9, reversal valve 11, flow speed control valve 12, check valve 13, high-pressure overflow valve 15, tensioning hydro-cylinder 16, air relief valve 18, fuel tank 19, hand oil pump 21 and manual pump check valve 22.Tensioning hydro-cylinder 16 is connected on the fixed oil cylinder seat that concrete foundation pours, and tensioning hydro-cylinder 16 is connected with the tensioning dolly 32 of SQ-1200 endless rope series tractor, and the flexible drive tensioning dolly 32 of tensioning hydro-cylinder 16 moves in orbit, thus adjusts the tensile force of pull rope.Above-mentioned motor-driven oil pump 1 is gear oil pump, and power pump check valve 2 is plug-in one-way valve, and sequence valve 9 is plug-in sequence valve, and reversal valve 11 is plate type reversing valve, flow speed control valve 12 be plug-in flow speed control valve, air relief valve 18 be board-like air relief valve.
nullThe delivery outlet of described motor-driven oil pump 1 connects with the working hole A mouth of power pump check valve 2，Another working hole B mouth of power pump check valve 2、The interface of explosion-proof pressure controller 6、The import and export 8a of energy storage equipment 8、The working hole A mouth of reversal valve 11、The working hole A mouth of check valve 13 is connection，The rod chamber of tensioning hydro-cylinder 16 and the working hole B mouth of check valve 13、The P mouth of high-pressure overflow valve 15、The oil inlet P of air relief valve 18 1 mouthful、The working hole A mouth connection of flow speed control valve 12，The working hole B mouth of flow speed control valve 12 connects with the P mouth of reversal valve 11，The oil-out P2 mouth of air relief valve 18 connects with the oil inlet P mouth of sequence valve 9，The working hole A mouth of sequence valve 9 connects with the control mouth K mouth of reversal valve 11，It is connected on pipeline between the working hole B mouth of check valve 13 and tensioning hydro-cylinder 16 rod chamber and has the second Pressure gauge 10 and the second ball valve 14.Second ball valve 14 is normally opened.Being provided with the quick return line of tensioning hydro-cylinder between second ball valve 14 and fuel tank 19, connecting in the quick return line of tensioning hydro-cylinder has the 3rd ball valve 17.The pipeline that the above-mentioned B mouth with power pump check valve 2 is connected is provided with high-precision high voltage filter 4, and the hydraulic oil of power pump check valve 2 output flows to energy storage equipment and relevant valve by above-mentioned filter 4.Being provided with the quick return line of accumulator between import and export 8a and the fuel tank 19 of energy storage equipment 8, connecting in the quick return line of accumulator has the first ball valve 5.Pipeline between the interface of explosion-proof pressure controller 6 with fuel tank 19 is connected and has low pressure relief valve 3 and the first Pressure gauge 7.The T mouth of high-pressure overflow valve 15, the T mouth of air relief valve 18, the T mouth of flow speed control valve 12 all connect with fuel tank.
The delivery outlet of described hand oil pump 21 connects with the working hole A mouth of manual pump check valve 22, and another working hole B mouth of manual pump check valve 22 connects same pipeline with the working hole B mouth of power pump check valve 2.Manual pump provides emergency pressure oil.
The setting of above-mentioned air relief valve is too high and damage for preventing reversal valve from controlling mouth pressure, and flow speed control valve be provided for regulating the speed putting rope, the setting of high-pressure overflow valve is for preventing tensioning hydro-cylinder hypertonia from damaging oil cylinder.Check valve is big flow plug-in type check valve, for quick tensioning, prevents winch cable from skidding.
Described energy storage equipment 8 has 1 to 2 Accumulator arrangements, Accumulator arrangements has accumulator 8-3, accumulation of energy the first ball valve 8-1, accumulation of energy the second ball valve 8-2, orifice plate 8-4 and energy storage safety valve 8-5, accumulation of energy the first ball valve 8-1, P mouth all valve ports with accumulator 8-3 of orifice plate 8-4 and energy storage safety valve 8-5 are connected, accumulation of energy the second ball valve 8-2 one end is connected with orifice plate 8-4, the other end connects with fuel tank, and the T mouth of energy storage safety valve 8-5 connects with fuel tank.The present embodiment has 2 Accumulator arrangements, and 2 Accumulator arrangements work simultaneously, and the working hole A mouth of accumulation of energy the first ball valve 8-1 and the working hole A mouth of accumulation of energy the second ball valve 8-2 are the import and export of energy storage equipment 8.In energy storage equipment 8, energy storage safety valve 8-5 is set to protection accumulator, prevents hypertonia from damaging.It is provided with abacus 8-4, convenient detection accumulator air bag inflation pressure during for overhauling, it is specially pressure tap 8-6 and connects Pressure gauge, close accumulation of energy the first ball valve 8-1, open accumulation of energy the second ball valve 8-2 draining to fuel tank, when pressure is transformed to decline suddenly by slowly decline, and pressure now is gasbag pressure.
When the fire-proof motor of motor-driven oil pump 1 starts; motor-driven oil pump 1 is by oil absorption filter oil suction from fuel tank 19; the pressure oil of motor-driven oil pump 1 output is divided into two-way through motor-driven oil pump check valve 2, filter 4; one road pressure oil is respectively by two accumulation of energy the first ball valve 8-1 topping ups to two accumulator 8-3; another road pressure oil passes through check valve 13 and the second ball valve 14 topping up to tensioning hydro-cylinder 16; when the P mouth pressure of motor-driven oil pump 1 reaches the upper limit set value of explosion-proof pressure controller 6, the fire-proof motor of motor-driven oil pump 1 is shut down.If force value is due to the appearance rope of tensioning hydro-cylinder, when being reduced to explosion-proof pressure controller lower limit set value, fire-proof motor starts automatically, improves the convenience of operation.
If the steel wire rope slack list initial tension of SQ-1200 endless rope series tractor is less than when setting tensile force, the pressure oil of accumulator apparatus 8, through check valve the 13, second ball valve 14 to tensioning hydro-cylinder 16, the piston rod of tensioning hydro-cylinder 16 shrinks, tensioning dolly 32 is driven to move, now hold rope, in the range of steel wire tensioning power increases to set tensile force therewith, prevent steel wire rope from skidding at winch drum.When steel wire rope slack list tension force is less than setting tensile force 1.6 times more than setting tensile force, the fluid of tensioning hydro-cylinder 16 passes through flow speed control valve 12 and reversal valve 11 to accumulator apparatus 8 reversely charging liquid, tensioning hydro-cylinder 16 piston rod stretches out, tensioning dolly 32 is driven reversely to move, now put rope, steel wire tensioning power reduce therewith maintain setting tensile force in the range of.Realize the automatic continuous initial tension enough for the offer of steel wire rope slack list.
When steel wire rope becomes pull rope, tensile force is therewith more than setting tensile force 1.6 times, now, the P2 mouth pressure of air relief valve 18 rises, the P mouth pressure of sequence valve 9 is more than spring set pressure, and the right position of sequence valve 9 works and A mouth is fuel-displaced, and the A mouth pressure of sequence valve 9 promotes the work of reversal valve 11 left position, the rod chamber of tensioning hydro-cylinder 16 is cut off to the oil circuit of reversal valve 11, and tensioning hydro-cylinder 27 provides enough support reactions for pull rope.
Claims (7)
1. a continuous rope draws tensioning hydraulic control system continuously, there is tensioning hydro-cylinder (16), it is characterised in that: also there is motor-driven oil pump (1), power pump check valve (2), low pressure relief valve (3), explosion-proof pressure controller (6), energy storage equipment (8), sequence valve (9), reversal valve (11), flow speed control valve (12), check valve (13), high-pressure overflow valve (15), air relief valve (18), fuel tank (19)；nullThe delivery outlet of described motor-driven oil pump (1) connects with the working hole A mouth of power pump check valve (2)，Another working hole B mouth of power pump check valve (2)、The interface of explosion-proof pressure controller (6)、The import and export (8a) of energy storage equipment (8)、The working hole A mouth of reversal valve (11)、The working hole A mouth of check valve (13) is connection，The rod chamber of tensioning hydro-cylinder (16) and the working hole B mouth of check valve (13)、The oil inlet P mouth of high-pressure overflow valve (15)、The oil inlet P of air relief valve (18) 1 mouthful、The working hole A mouth connection of flow speed control valve (12)，The working hole B mouth of flow speed control valve (12) connects with the oil inlet P mouth of reversal valve (11)，The oil-out P2 mouth of air relief valve (18) connects with the oil-out P mouth of sequence valve (9)，The working hole A mouth of sequence valve (9) connects with the control mouth K mouth of reversal valve (11)，The oil return inlet T mouth of high-pressure overflow valve (15)、The oil return inlet T mouth of air relief valve (18)、The oil return inlet T mouth of flow speed control valve (12) all connects with fuel tank.
Continuous rope the most according to claim 1 draws tensioning hydraulic control system continuously, it is characterised in that: the pipeline between described explosion-proof pressure controller (6) and fuel tank (19) is connected and has low pressure relief valve (3).
Continuous rope the most according to claim 1 draws tensioning hydraulic control system continuously, it is characterised in that: it is connected on the pipeline between the working hole B mouth of check valve (13) and tensioning hydro-cylinder (16) rod chamber and has the second ball valve (14).
Continuous rope the most according to claim 1 draws tensioning hydraulic control system continuously, it is characterized in that: be provided with the quick return line of accumulator between import and export (8a) and the fuel tank (19) of energy storage equipment (8), connecting in the quick return line of accumulator has the first ball valve (5).
Continuous rope the most according to claim 3 draws tensioning hydraulic control system continuously, it is characterized in that: be provided with the quick return line of tensioning hydro-cylinder between described second ball valve (14) and fuel tank (19), connecting in the quick return line of tensioning hydro-cylinder has the 3rd ball valve (17).
6. draw tensioning hydraulic control system continuously according to the continuous rope one of claim 1 to 5 Suo Shu, it is characterized in that: this control system also has hand oil pump (21) and manual pump check valve (22), the delivery outlet of hand oil pump (21) connects with the working hole A mouth of manual pump check valve (22), and another working hole B mouth of manual pump check valve (22) connects same pipeline with the working hole B mouth of power pump check valve (2).
Continuous rope the most according to claim 1 draws tensioning hydraulic control system continuously, it is characterized in that: described energy storage equipment (8) has 1 to 2 Accumulator arrangements, Accumulator arrangements has accumulator (8-3), accumulation of energy the first ball valve (8-1), accumulation of energy the second ball valve (8-2), orifice plate (8-4) and energy storage safety valve (8-5), accumulation of energy the first ball valve (8-1), the oil inlet P mouth of orifice plate (8-4) and energy storage safety valve (8-5) all valve ports with accumulator (8-3) are connected, accumulation of energy the second ball valve (8-2) one end is connected with orifice plate (8-4), the other end connects with fuel tank, the oil return inlet T mouth of energy storage safety valve (8-5) connects with fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620386944.1U CN205779959U (en) | 2016-05-03 | 2016-05-03 | Continuous rope draws tensioning hydraulic control system continuously |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620386944.1U CN205779959U (en) | 2016-05-03 | 2016-05-03 | Continuous rope draws tensioning hydraulic control system continuously |
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| CN205779959U true CN205779959U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620386944.1U Expired - Fee Related CN205779959U (en) | 2016-05-03 | 2016-05-03 | Continuous rope draws tensioning hydraulic control system continuously |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139098A (en) * | 2018-11-17 | 2019-01-04 | 山东省田庄煤矿有限公司 | A kind of endless rope traction single track crane 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 |
| CN114655870A (en) * | 2022-03-30 | 2022-06-24 | 中国船舶重工集团公司第七0七研究所九江分部 | Hydraulic control system for keeping constant tension of steel wire rope |
-
2016
- 2016-05-03 CN CN201620386944.1U patent/CN205779959U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109139098A (en) * | 2018-11-17 | 2019-01-04 | 山东省田庄煤矿有限公司 | A kind of endless rope traction single track crane system |
| CN114655870A (en) * | 2022-03-30 | 2022-06-24 | 中国船舶重工集团公司第七0七研究所九江分部 | Hydraulic control system for keeping constant tension of steel wire rope |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 |