CN202185344U - Hydraulic drive system of fixed crusher - Google Patents

Hydraulic drive system of fixed crusher Download PDF

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Publication number
CN202185344U
CN202185344U CN2011200536896U CN201120053689U CN202185344U CN 202185344 U CN202185344 U CN 202185344U CN 2011200536896 U CN2011200536896 U CN 2011200536896U CN 201120053689 U CN201120053689 U CN 201120053689U CN 202185344 U CN202185344 U CN 202185344U
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CN
China
Prior art keywords
oil cylinder
control valves
direction control
oil
banked direction
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Expired - Fee Related
Application number
CN2011200536896U
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Chinese (zh)
Inventor
罗铭
杜平
吴孝红
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Giant Hydraulic Tech Co ltd Anhui
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Giant Hydraulic Tech Co ltd Anhui
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Priority to CN2011200536896U priority Critical patent/CN202185344U/en
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Publication of CN202185344U publication Critical patent/CN202185344U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a hydraulic drive system of a fixed crusher. The hydraulic drive system is a double-pump and double-circuit system; a motor controls five actuating elements through the double pumps and two groups of multiway valves; wherein one of the two group of multiway valves controls a large-arm oil cylinder and a rotor hammer oil cylinder, and the other group of multiway valves controls a two-arm oil cylinder and a rotary motor; a hydraulic hammer is controlled jointly by the two groups of multiway valves; and the loops of the two groups of multiway valves are parallel loops. Through the adoption of the double pumps and the multiway valves, the double pumps supply all flow to the large-arm oil cylinder or the two-arm oil cylinder when the large-arm oil cylinder or the two-arm oil cylinder is in operation independently, and also supply oil to the large-arm oil cylinder and the two-arm oil cylinder when the large-arm oil cylinder and the two-arm oil cylinder are in operation simultaneously, so that the working speed meeting the requirements of the independent operation or linkage operation (such as the large-arm oil cylinder and the two arms oil cylinder are in operation simultaneously) of the actuating elements can be effectively guaranteed, and the operation requirement is met.

Description

The Hydraulic Power Transmission System of fixed disintegrating machine
Technical field
The utility model relates to the Hydraulic Power Transmission System of fixed automatically controlled and hydraulic control disintegrating machine.
Background technology
The fixed disintegrating machine that existing mining ore adopts when coarse crushing is divided into hydraulic control hydraulic breaker, electric-controlled hydraulic disintegrating machine.Its system of hydraulic control hydraulic breaker forms normally single pump, single group banked direction control valves and hydraulic control handle, and the hydraulic control handle that controls, lags behind owing to reasons such as liquid resistance will cause action response when far away apart from banked direction control valves.The normally single pump of its system's composition of electric-controlled hydraulic disintegrating machine, list group banked direction control valves and electric control handle, operating personnel can only have splashes such as rubble in the other operation of machine during owing to fragmentation, and operating personnel are easy to come to harm.Simultaneously; These two kinds existing hydraulic control hydraulic breakers and electric-controlled hydraulic disintegrating machine; Owing to be single pump, the control of single group banked direction control valves, when interlock, (need action simultaneously), because the load of each work executing agency is different like big arm oil cylinder, two arm oil cylinders; Action when being difficult to guarantee each executing agency, the speed that each executing agency moves simultaneously also is difficult to reach operator's requirement.Broken in addition on-site noise is big, dust is big, and health of operators is had very big influence.
Summary of the invention
The purpose of the utility model provides a kind of Hydraulic Power Transmission System of fixed disintegrating machine, and it can guarantee the single movement and the interlock of each executing agency effectively, satisfies the needs of operation.
The Hydraulic Power Transmission System of the fixed disintegrating machine of the utility model; It is characterized in that: it is the double pump double-circuit system; Motor is controlled five group actor spares through double pump, two groups of banked direction control valves: wherein one group of banked direction control valves is controlled big arm oil cylinder and is changeed the hammer oil cylinder; Another group banked direction control valves is controlled two arm oil cylinder and rotary motors, and hydraulic hammer is controlled by two groups of banked direction control valves jointly; The loop of two groups of banked direction control valves is the shunt circuit.
The utility model passes through to adopt double pump and banked direction control valves, makes double pump when big arm oil cylinder, two arm oil cylinder single movements, all flows all supplied with big arm oil cylinders or two arm oil cylinders, also can when arm oil cylinder and two arm oil cylinders move simultaneously greatly, give both fuel feeding respectively.When so effectively having guaranteed each executive component single movement during with interlock (needing action simultaneously) like big arm oil cylinder, two arm oil cylinders the operating rate that meets the demands can both be arranged, satisfy the needs of operation.
Description of drawings
Fig. 1 is the schematic diagram of the utility model Hydraulic Power Transmission System.
The specific embodiment
The Hydraulic Power Transmission System of the fixed disintegrating machine of the utility model; It is characterized in that: it is characterized in that: it is the double pump double-circuit system; Motor 5 is through double pump 4, two groups of banked direction control valves 6,23 controls five group actor spares: one group of banked direction control valves 6 big arm oil cylinder 8,9 of control and change hammer oil cylinder 11 wherein; Another group banked direction control valves 23 control two arm oil cylinders 18,19 and rotary motors 21,22, hydraulic hammer 14 is controlled by two groups of banked direction control valves 6,23 jointly; The loop of two groups of banked direction control valves is the shunt circuit.Wherein, double pump 4 is the power and variable double pump.
As this novel a kind of optimal way, hydraulic system is provided with three-stage filtration, is furnished with oil suction oil filter 1, high-pressure filter 25,26 and oil return oil filter 27; Wherein, Oil suction oil filter 1 and oil return oil filter 27 are housed in the hydraulic oil container; Oil suction oil filter 1 is installed in the inlet port of double pump 4 for coarse filter, and high-pressure filter 25,26 is installed in two oil-outs of double pump 4 for fine filter, and oil return oil filter 27 is total oil return opening for fine filter is installed in; Hydraulic Elements in the systems such as protection double pump 4, banked direction control valves 6,23 are not polluted by dirt, thereby improve the service life of Hydraulic Elements.
Double pump 4 through oil suction oil filters 1 and hand stop valve 28 simultaneously from the fuel tank oil suction, with its maximum flow to system's fuel feeding.Hydraulic oil container is the enclosed fuel tank that communicates with outside air through air filter.
After the oil that pump A1 discharges got into banked direction control valves 6, when all reversal valves of banked direction control valves 6 all were in meta, fluid was through the three-way flowrate control valve 30 in 6 first of the banked direction control valves, oil sump tank behind oil return oil filter 27; After each plate valve switching-over of banked direction control valves 6; The pressure oil that pump A1 discharges gets into big arm oil cylinder 8,9 through first plate valve respectively; Change hammer oil cylinder 11, get into hydraulic hammer 14 through the entering of second plate valve, drive big arm oil cylinder respectively and stretch, change the flexible and hydraulic hammer work of hammer oil cylinder through the 3rd plate valve.Oil-in 6 first of banked direction control valves has been installed main safety valve 29, and when load pressure surpassed its oil pressure relief setting, main safety valve 29 was opened, and protection pump A1 does not bear too high pressure load.After the oil that pump A2 discharges got into banked direction control valves 23, when all reversal valves of banked direction control valves 23 all were in meta, fluid was through the three-way flowrate control valve 32 in 23 first of the banked direction control valves, oil sump tank behind oil return oil filter 27; After each valve block switching-over of banked direction control valves 23; The pressure oil that pump A2 discharges gets into hydraulic hammer 14, gets into two arm oil cylinders 18,19 through second plate valve through first plate valve respectively; Get into rotary motor 21,22 through the 3rd plate valve, drive hydraulic hammer work respectively, two arm oil cylinders are flexible and rotary motor rotates.Oil-in 23 first of banked direction control valves has been installed main safety valve 31, and when load pressure surpassed its oil pressure relief setting, main safety valve 31 was opened, and protection pump A2 does not bear too high pressure load.When commutating simultaneously, first reversal valve of the 3rd reversal valve of banked direction control valves 6 and banked direction control valves 23 be under the next situation; The pressure oil that pump A1, A2 discharge is given hydraulic hammer 14 fuel feeding through the 3rd reversal valve of banked direction control valves 6 with first reversal valve of banked direction control valves 23 respectively, guarantees the operate as normal of hydraulic hammer 14.The 3rd reversal valve switching-over of banked direction control valves 6 is under the upper situation; Pressure oil is given two arm oil cylinders, 18,19 fuel feeding through check valve 13 with second reversal valve of banked direction control valves 23; Can realize the interflow of two arm oil cylinders, 18,19 loculuses, accelerate the speed of two arm oil cylinders withdrawal; First reversal valve switching-over of banked direction control valves 23 is under the upper situation; Pressure oil is given big arm oil cylinder 8,9 fuel feeding through check valve 16 with first reversal valve of banked direction control valves 6; Can realize the interflow in big arm oil cylinder 8,9 big chambeies, accelerate the speed that big arm oil cylinder stretches out.After wantonly two plate valves commutate simultaneously in first, second and third sheet reversal valve of banked direction control valves 6 or banked direction control valves 23; Just cut off the interflow action; The pressure oil that the pressure oil that has promptly cut off pump A1 gets into two arm oil cylinders, 18,19 loculuses or pump A2 gets into the oil circuit in big arm oil cylinder 8,9 big chambeies, but the pressure oil that pump A1 discharges still can get into big arm oil cylinder 8,9 through banked direction control valves 6, realizes that big arm oil cylinder is flexible; The pressure oil that pump A2 discharges still can get into two arm oil cylinders 18,19 through banked direction control valves 23, realizes that two arm oil cylinders are flexible.
Because the loop of banked direction control valves 6 and banked direction control valves 23 is the shunt circuit,, do not influence the action of another group banked direction control valves so the valve switching-over of arbitrary road neither influences the fuel feeding of other two-way valve of this banked direction control valves in every group of banked direction control valves yet.
Banked direction control valves 6 and big arm oil cylinder 8, be provided with unidirectional balanced valve 7 between 9, banked direction control valves 6 is provided with unidirectional balanced valve 10,12 with changeing to hammer into shape between the oil cylinder 11, banked direction control valves 23 and two arm oil cylinders 18, is provided with unidirectional balanced valve 20 between 19.Like this, balanced valve can keep oil cylinder to be locked in any position when oil cylinder bears load.Repairing check valve 17 can replenish double pump when two arm oil cylinders stretch out fast fuel feeding is not enough.
The hydraulic power unit at double pump 4 place is with banked direction control valves 6, link to each other through centre revolving joint 24 between 23, thereby realizes 360 ° of rotations of the operating mechanism of whole disintegrating machine.
Wherein, Pressure gauge 3, pressure sensor 2 all are set, can monitor oil-out pressure, thereby the assurance system work better at two oil-outs of double pump 4.
Two rotary motors 21,22 adopt and are connected in parallel, and brake apparatus is a normally closed type, controls unlatching through the guide.The guide of control motor brake controls oil and takes from banked direction control valves 23.In the banked direction control valves 23 valve blocks switching-over of control rotary motor 21,22, the two-bit triplet solenoid directional control valve 15 of control guide oil gets electric, and pressure oil gets into rotary motor 21,22; The guide controls oil and gets into normally closed brake simultaneously; Make brake open, when the pressure oil that gets into rotary motor 21,22 is cut off, two-bit triplet solenoid directional control valve 15 dead electricity of control guide oil; The guide oil that gets into normally closed brake also is cut off simultaneously, makes brake recover on-position.
The utility model adopts the digital wired remote control system based on the CAN bus aspect control; Long-distance video and video monitoring control system of omnidirectional; Solve reason such as hydraulic control when operation remote-controlled operation liquid resistance effectively and caused the action response delay problem; The other emergency operation of the machine that is provided with simultaneously reaches in the control room monitors operated from a distance through remote video monitoring, has not only increased safety of operators and has also made the injury of operating personnel away from noise and dust simultaneously.

Claims (6)

1. the Hydraulic Power Transmission System of fixed disintegrating machine; It is characterized in that: it is the double pump double-circuit system; Motor (5) is controlled five group actor spares through double pump (4), two groups of banked direction control valves (6,23): wherein oil cylinder (11) is hammered in one group of banked direction control valves (6) control big arm oil cylinder (8,9) and commentaries on classics into shape; Another group banked direction control valves (23) control two arm oil cylinders (18,19) and rotary motor (21,22), hydraulic hammer (14) is by the common control of two groups of banked direction control valves (6,23); The loop of two groups of banked direction control valves is the shunt circuit.
2. Hydraulic Power Transmission System according to claim 1 is characterized in that: link to each other through centre revolving joint (24) between the hydraulic power unit at double pump (4) place and the banked direction control valves (6,23).
3. Hydraulic Power Transmission System according to claim 1; It is characterized in that: be provided with unidirectional balanced valve (7) between banked direction control valves (6) and the big arm oil cylinder (8,9); Be provided with unidirectional balanced valve (10,12) between banked direction control valves (6) and the commentaries on classics hammer oil cylinder (11), be provided with unidirectional balanced valve (20) between banked direction control valves (23) and the two arm oil cylinders (18,19).
4. Hydraulic Power Transmission System according to claim 2 is characterized in that: two oil-outs at double pump (4) are provided with Pressure gauge (3), pressure sensor (2).
5. Hydraulic Power Transmission System according to claim 1 is characterized in that: double pump (4) is the power and variable double pump.
6. Hydraulic Power Transmission System according to claim 1; It is characterized in that: be provided with three-stage filtration in the hydraulic system; Promptly the inlet port at double pump (4) is provided with oil suction oil filter (1); At its two oil-outs high-pressure filter (25,26) is set respectively, oil return oil filter (27) is set at total oil return opening.
CN2011200536896U 2011-03-03 2011-03-03 Hydraulic drive system of fixed crusher Expired - Fee Related CN202185344U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200536896U CN202185344U (en) 2011-03-03 2011-03-03 Hydraulic drive system of fixed crusher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200536896U CN202185344U (en) 2011-03-03 2011-03-03 Hydraulic drive system of fixed crusher

Publications (1)

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CN202185344U true CN202185344U (en) 2012-04-11

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103452930A (en) * 2013-09-17 2013-12-18 江阴市高德液压机械有限公司 Hydraulic control system of movable packer
CN105422529A (en) * 2015-12-25 2016-03-23 郑州宇通重工有限公司 Hydraulic system provided with closed hydraulic oil tank and open hydraulic oil tank
CN105545847A (en) * 2016-02-26 2016-05-04 华侨大学 Hydraulic control system of crusher
CN105605034A (en) * 2016-03-02 2016-05-25 湖州优创科技有限公司 Hydraulic station of cone crusher
CN109201303A (en) * 2018-09-18 2019-01-15 中山斯瑞德环保科技股份有限公司 A kind of optimal control method improving hydraulic breaker crushing efficiency
CN116201778A (en) * 2023-03-28 2023-06-02 山东临工工程机械有限公司 Piling control method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103452930A (en) * 2013-09-17 2013-12-18 江阴市高德液压机械有限公司 Hydraulic control system of movable packer
CN103452930B (en) * 2013-09-17 2015-08-26 江苏高德液压机械有限公司 The hydraulic control system of portable packer
CN105422529A (en) * 2015-12-25 2016-03-23 郑州宇通重工有限公司 Hydraulic system provided with closed hydraulic oil tank and open hydraulic oil tank
CN105422529B (en) * 2015-12-25 2018-02-16 郑州宇通重工有限公司 A kind of hydraulic system for being provided with closed type hydraulic oil tank and open hydraulic fuel tank
CN105545847A (en) * 2016-02-26 2016-05-04 华侨大学 Hydraulic control system of crusher
CN105545847B (en) * 2016-02-26 2017-07-21 华侨大学 crusher hydraulic control system
CN105605034A (en) * 2016-03-02 2016-05-25 湖州优创科技有限公司 Hydraulic station of cone crusher
CN109201303A (en) * 2018-09-18 2019-01-15 中山斯瑞德环保科技股份有限公司 A kind of optimal control method improving hydraulic breaker crushing efficiency
CN116201778A (en) * 2023-03-28 2023-06-02 山东临工工程机械有限公司 Piling control method
CN116201778B (en) * 2023-03-28 2023-11-17 山东临工工程机械有限公司 Piling control method

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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: 20120411

Termination date: 20160303

CF01 Termination of patent right due to non-payment of annual fee