CN105485079A - Jacking and jacking unloading hydraulic control system of mining mill feeding trolley - Google Patents
Jacking and jacking unloading hydraulic control system of mining mill feeding trolley Download PDFInfo
- Publication number
- CN105485079A CN105485079A CN201610025752.2A CN201610025752A CN105485079A CN 105485079 A CN105485079 A CN 105485079A CN 201610025752 A CN201610025752 A CN 201610025752A CN 105485079 A CN105485079 A CN 105485079A
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- Prior art keywords
- valve
- hydraulic cylinder
- jack
- oil hydraulic
- ball valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005065 mining Methods 0.000 title claims abstract description 25
- 230000008676 import Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 47
- 239000010720 hydraulic oil Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2201/00—Accumulators
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
A hydraulic control system for jacking and jacking unloading of a mining mill feeding trolley relates to a hydraulic control system for a feeding trolley, and is characterized in that a hydraulic station (1), a manual reversing valve (2), a throttle valve (3), a balance valve (4), a shunt motor A (5), a hydraulic lock A (6), a hydraulic cylinder A (7), a three-way ball valve A (10), a hydraulic cylinder B (13), a three-way ball valve B (15) and a shunt motor B (17) are connected; according to the invention, the matched jacking and jacking unloading hydraulic control system is arranged on the mining mill feeding trolley, so that the mining mill feeding trolley can be jacked up by a cylinder rod A arranged in the jacking system during maintenance work, and a transverse wheel arranged at the front end of the cylinder rod A is matched with a transverse motor to complete a steering function; when the feeding trolley works normally, wheels on the trolley frame which is standing still for a long time are supported by the cylinder rod B and then leave the ground, so that the service life of the feeding trolley is greatly prolonged.
Description
[technical field]
The present invention relates to a kind of to trolley hydraulic control system, especially relate to a kind of mining grinding mill to the jack-up of trolley and jack-up off-load hydraulic control system.
[background technique]
To the first link of trolley as grinding machine, carry the effect of conveying material and abrasive media, with bulky, expensive electric trailer is compared, hydraulically powered to trolley, not only structure is simple, cost is low, processing ease, take up an area space little, and powerful, flexible movements, manpower movement can be replaced completely, greatly reduce labor intensity, improve working efficiency, for meeting the requirement of the operating modes such as installation and maintenance, should possess forward/backward to trolley drive system, turn to the functions such as mobile, wheel in tradition feed car frame not only will have locomotive function flexibly, but also suitable bearing capacity should be possessed, because grinding machine is when normally working, impulsive load when car frame's weight and pan feeding all acts on the wheel of vehicle frame, along with the development that grinding machine maximizes, in addition field working conditions is severe, wheel on vehicle frame bears so large impulsive load for a long time, often cause car wheel bearing stuck, can not " movement ", and then cause whole feeding system to paralyse, badly influence the Problem of grinding machine.
[summary of the invention]
In order to overcome the deficiency in background technique, the present invention discloses a kind of mining grinding mill to the jack-up of trolley and jack-up off-load hydraulic control system, by at mining grinding mill to trolley being arranged the jack-up and jack-up off-load hydraulic control system that match, make the cylinder bar A jack-up that mining grinding mill can be provided with by jacking system when service work to trolley, the lateral wheel be provided with in cylinder bar A front end coordinates horizontal motor to complete turning function; When normally working, ground is left after the wheel stood still for a long while for a long time on motionless vehicle frame is supported by cylinder bar B, make the wheel on vehicle frame from the effect of impulsive load during normal pan feeding, effectively prevent the bearing deformation on wheel, fault, thus substantially prolongs to the object in the working life of trolley.
For achieving the above object, the present invention adopts following technological scheme:
A kind of mining grinding mill is to the jack-up of trolley and jack-up off-load hydraulic control system, comprise hydraulic station, hand-operated direction valve, throttle valve, equilibrium valve, diffluence motor A, hydraulic lock A, oil hydraulic cylinder A, tee ball valve A, oil hydraulic cylinder B, tee ball valve B and diffluence motor B, the P mouth of described hand-operated direction valve is connected hydraulic station respectively with T mouth, the A mouth of described hand-operated direction valve connects a passage of throttle valve successively, a passage of equilibrium valve and tee ball valve B, described oil hydraulic cylinder A comprises oil hydraulic cylinder rodless cavity A and oil hydraulic cylinder rod chamber A, cylinder bar A is provided with in oil hydraulic cylinder rod chamber A, described oil hydraulic cylinder B comprises oil hydraulic cylinder rod chamber B and oil hydraulic cylinder rodless cavity B, cylinder bar B is provided with in oil hydraulic cylinder rod chamber B, one way outlet of described tee ball valve B connects diffluence motor A successively, a passage of hydraulic lock A and oil hydraulic cylinder rodless cavity A, another way outlet of described tee ball valve B connects the import of diffluence motor B and tee ball valve A successively, one way outlet of tee ball valve A connects a passage and the oil hydraulic cylinder rodless cavity B of hydraulic lock B successively, the B mouth of described hand-operated direction valve connects another expanding channels oil hydraulic cylinder rod chamber A respectively through hydraulic lock A and another expanding channels oil hydraulic cylinder rod chamber B through hydraulic lock B after another passage of throttle valve and another passage of equilibrium valve successively, the safety valve return opening of diffluence motor A, the safety valve return opening of diffluence motor B is connected hydraulic station with another way outlet of tee ball valve A.
Described mining grinding mill, to the jack-up of trolley and jack-up off-load hydraulic control system, tee ball valve A and tee ball valve B is respectively equipped with lock.
Described mining grinding mill, to the jack-up of trolley and jack-up off-load hydraulic control system, oil hydraulic cylinder rodless cavity B is provided with accumulator.
Described mining grinding mill is to the jack-up of trolley and jack-up off-load hydraulic control system, and the oil outlet that described diffluence motor A and diffluence motor B is provided with all is at least four.
Described mining grinding mill, to the jack-up of trolley and jack-up off-load hydraulic control system, is provided with lateral wheel in the front end of cylinder bar A.
Owing to adopting technological scheme as above, the present invention has following beneficial effect:
Mining grinding mill of the present invention is to the jack-up of trolley and jack-up off-load hydraulic control system, by at mining grinding mill to trolley being arranged the jack-up and jack-up off-load hydraulic control system that match, make the cylinder bar A jack-up that mining grinding mill can be provided with by jacking system when service work to trolley, the lateral wheel be provided with in cylinder bar A front end coordinates horizontal motor to complete turning function; When normally working, ground is left after the wheel stood still for a long while for a long time on motionless vehicle frame is supported by cylinder bar B, make the wheel on vehicle frame from the effect of impulsive load during normal pan feeding, effectively prevent the bearing deformation on wheel, fault, thus substantially prolongs to the object in the working life of trolley; The invention solves mining grinding mill suffers impulsive load for a long time to wheel when the requirement of turning function and normal work when being in maintenance drawback to trolley, having safe and reliable, practical, the feature such as energy-saving and cost-reducing.
[accompanying drawing explanation]
Fig. 1 is hydraulic system principle figure of the present invention;
In figure: 1, hydraulic station; 2, hand-operated direction valve; 3, throttle valve; 4, equilibrium valve; 5, diffluence motor A; 6, hydraulic lock A; 7, oil hydraulic cylinder A; 8, oil hydraulic cylinder rodless cavity A; 9, oil hydraulic cylinder rod chamber A; 10, tee ball valve A; 11, lock; 12, hydraulic lock B; 13, oil hydraulic cylinder B; 14, accumulator; 15, tee ball valve B; 16, cylinder bar A; 17, diffluence motor B; 18, oil hydraulic cylinder rod chamber B; 19, cylinder bar B; 20, oil hydraulic cylinder rodless cavity B; .
[embodiment]
Can explain the present invention in more detail by the following examples, disclose object of the present invention and be intended to protect all changes and improvements in the scope of the invention, the present invention is not limited to the following examples;
Mining grinding mill by reference to the accompanying drawings described in 1 is to the jack-up of trolley and jack-up off-load hydraulic control system, comprise hydraulic station 1, hand-operated direction valve 2, throttle valve 3, equilibrium valve 4, diffluence motor A5, hydraulic lock A6, oil hydraulic cylinder A7, tee ball valve A10, oil hydraulic cylinder B13, tee ball valve B15 and diffluence motor B17, the P mouth of described hand-operated direction valve 2 is connected hydraulic station 1 respectively with T mouth, the A mouth of described hand-operated direction valve 2 connects a passage of throttle valve 3 successively, a passage of equilibrium valve 4 and tee ball valve B15, described oil hydraulic cylinder A7 comprises oil hydraulic cylinder rodless cavity A8 and oil hydraulic cylinder rod chamber A9, cylinder bar A16 is provided with in oil hydraulic cylinder rod chamber A9, lateral wheel is provided with in the front end of cylinder bar A16, described oil hydraulic cylinder B13 comprises oil hydraulic cylinder rod chamber B18 and oil hydraulic cylinder rodless cavity B20, oil hydraulic cylinder rodless cavity B20 is provided with accumulator 14, cylinder bar B19 is provided with in oil hydraulic cylinder rod chamber B18, one way outlet of described tee ball valve B15 connects diffluence motor A5 successively, a passage of hydraulic lock A6 and oil hydraulic cylinder rodless cavity A8, another way outlet of described tee ball valve B15 connects the import of diffluence motor B17 and tee ball valve A10 successively, one way outlet of tee ball valve A10 connects a passage and the oil hydraulic cylinder rodless cavity B20 of hydraulic lock B12 successively, the B mouth of described hand-operated direction valve 2 connects another expanding channels oil hydraulic cylinder rod chamber A9 respectively through hydraulic lock A6 and another expanding channels oil hydraulic cylinder rod chamber B18 through hydraulic lock B12 after another passage of throttle valve 3 and another passage of equilibrium valve 4 successively, the safety valve return opening of diffluence motor A5, the safety valve return opening of diffluence motor B17 is connected hydraulic station 1 with another way outlet of tee ball valve A10, tee ball valve A10 and tee ball valve B15 are respectively equipped with lock 11.
Implement mining grinding mill of the present invention to the jack-up of trolley and jack-up off-load hydraulic control system, the present invention possesses jack-up off-load and jack-up function:
Jack-up unloading function is as follows: when hand-operated direction valve 2 is allocated to " right position ", P mouth and A mouth are connected, T mouth and B mouth are connected, the hydraulic oil now entered from the P mouth of hand-operated direction valve 2 is through a passage of throttle valve 3, a passage of equilibrium valve 4 arrives tee ball valve B15, when tee ball valve B15 is allocated to " right position ", hydraulic oil arrives the entrance of diffluence motor B17, each oil outlet of this diffluence motor B17 joins a tee ball valve A10, the lock 11 that tee ball valve B15 and tee ball valve A10 are arranged can be avoided when oil pressure is excessive, touch the drawback causing fuel feeding shakiness by mistake, when one of them tee ball valve A10 is allocated to " right position ", the hydraulic oil of this passage arrives an oil hydraulic cylinder rodless cavity B20 through a passage of hydraulic lock B12, now, this cylinder bar B19 stretches out, support ground, make slowly to be lifted to this part of trolley, leave ground, when multiple tee ball valve A10 is allocated to " right position ", the hydraulic oil being allocated to " right position " passage arrives multiple oil hydraulic cylinder rodless cavity B20 through a passage of multiple hydraulic lock B12, now, multiple cylinder bar B19 stretches out, support ground simultaneously, make slowly to lift to multiple parts of trolley, serve and will be lifted away from ground to trolley and wheel, to the object of feed car wheel off-load, the accumulator 14 that oil hydraulic cylinder rodless cavity B20 is arranged can carry out repairing to oil hydraulic cylinder rodless cavity B20, effectively can ensure excessive balancing to the car body of trolley of conducting oneself with dignity, hydraulic lock B is avoided to cause cylinder bar B19 to support instability because long-time pressurize work produces leakage, when hand-operated direction valve 2 is allocated to " left position ", P mouth and B mouth are connected, T mouth and A mouth are connected, the hydraulic oil now entered from the P mouth of hand-operated direction valve 2 is through another passage of throttle valve 3, another passage of equilibrium valve 4 arrives oil hydraulic cylinder rod chamber B18 respectively, under the effect of throttle valve 3 and equilibrium valve 4, slowly fall now to trolley, the slow kiss the earth of feed car wheel.
Jack-up function is as follows: when hand-operated direction valve 2 is allocated to " right position ", P mouth and A mouth are connected, T mouth and B mouth are connected, the hydraulic oil now entered from the P mouth of hand-operated direction valve 2 is through a passage of throttle valve 3, a passage of equilibrium valve 4 arrives tee ball valve B15, when tee ball valve B15 is allocated to " right position ", hydraulic oil arrives the entrance of diffluence motor A5, hydraulic oil arrives oil hydraulic cylinder rodless cavity A8 through a passage of the hydraulic lock A6 that each oil outlet of diffluence motor A5 connects, now cylinder bar A16 stretches out, the lateral wheel kiss the earth that cylinder bar A16 front end is provided with, achieve by the function of lateral wheel by dolly jack-up, horizontal motor coordinates lateral wheel to realize turning function, be convenient to the service work to dolly, when hand-operated direction valve 2 is allocated to " left position ", P mouth and B mouth are connected, T mouth and A mouth are connected, the hydraulic oil now entered from the P mouth of hand-operated direction valve 2 is through another passage of throttle valve 3, another passage of equilibrium valve 4 arrives oil hydraulic cylinder rod chamber A9 respectively, now cylinder bar A16 slowly retracts, slowly fall to trolley.
Part not in the detailed description of the invention is prior art.
Claims (5)
1. a mining grinding mill is to the jack-up of trolley and jack-up off-load hydraulic control system, it is characterized in that: comprise hydraulic station (1), hand-operated direction valve (2), throttle valve (3), equilibrium valve (4), diffluence motor A(5), hydraulic lock A(6), oil hydraulic cylinder A(7), tee ball valve A(10), oil hydraulic cylinder B(13), tee ball valve B(15) and diffluence motor B(17), P mouth and the T mouth of described hand-operated direction valve (2) are connected hydraulic station (1) respectively, the A mouth of described hand-operated direction valve (2) connects a passage of throttle valve (3) successively, a passage of equilibrium valve (4) and tee ball valve B(15), described oil hydraulic cylinder A(7) comprise oil hydraulic cylinder rodless cavity A(8) and oil hydraulic cylinder rod chamber A(9), at oil hydraulic cylinder rod chamber A(9) in be provided with cylinder bar A(16), described oil hydraulic cylinder B(13) comprise oil hydraulic cylinder rod chamber B(18) and oil hydraulic cylinder rodless cavity B(20), at oil hydraulic cylinder rod chamber B(18) in be provided with cylinder bar B(19), described tee ball valve B(15) a way outlet connect diffluence motor A(5 successively), hydraulic lock A(6) a passage and oil hydraulic cylinder rodless cavity A(8), described tee ball valve B(15) another way outlet connect diffluence motor B(17 successively) and tee ball valve A(10) import, tee ball valve A(10) a way outlet connect hydraulic lock B(12 successively) a passage and oil hydraulic cylinder rodless cavity B(20), the B mouth of described hand-operated direction valve (2) connects after another passage of throttle valve (3) and another passage of equilibrium valve (4) successively respectively through hydraulic lock A(6) another expanding channels oil hydraulic cylinder rod chamber A(9) and through hydraulic lock B(12) another expanding channels oil hydraulic cylinder rod chamber B(18), diffluence motor A(5) safety valve return opening, diffluence motor B(17) safety valve return opening and tee ball valve A(10) another way outlet be connected hydraulic station (1).
2. mining grinding mill according to claim 1 is to the jack-up of trolley and jack-up off-load hydraulic control system, it is characterized in that: at tee ball valve A(10) and tee ball valve B(15) on be respectively equipped with lock (11).
3. mining grinding mill according to claim 1 is to the jack-up of trolley and jack-up off-load hydraulic control system, it is characterized in that: at oil hydraulic cylinder rodless cavity B(20) on be provided with accumulator (14).
4. mining grinding mill according to claim 1 is to the jack-up of trolley and jack-up off-load hydraulic control system, it is characterized in that: described diffluence motor A(5) and diffluence motor B(17) oil outlet that is provided with all is at least four.
5. mining grinding mill according to claim 1 is to the jack-up of trolley and jack-up off-load hydraulic control system, it is characterized in that: at cylinder bar A(16) front end be provided with lateral wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610025752.2A CN105485079A (en) | 2016-01-15 | 2016-01-15 | Jacking and jacking unloading hydraulic control system of mining mill feeding trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610025752.2A CN105485079A (en) | 2016-01-15 | 2016-01-15 | Jacking and jacking unloading hydraulic control system of mining mill feeding trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105485079A true CN105485079A (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610025752.2A Pending CN105485079A (en) | 2016-01-15 | 2016-01-15 | Jacking and jacking unloading hydraulic control system of mining mill feeding trolley |
Country Status (1)
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| CN (1) | CN105485079A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131162A (en) * | 2017-05-04 | 2017-09-05 | 洛阳中重自动化工程有限责任公司 | Hydraulic control system for double-slow-speed driving device of large mill |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829627A (en) * | 2010-03-23 | 2010-09-15 | 中信重工机械股份有限公司 | Integrated hydraulic driven dual-shaft moving mill feed trolley |
| CN202296222U (en) * | 2011-09-19 | 2012-07-04 | 大连维乐液压制造有限公司 | Feed trolley hydraulic station |
| CN102218845B (en) * | 2011-01-27 | 2014-05-07 | 济南易久自动化技术有限公司 | Movable type rotary hot-pressing production line for brake block die |
| CN104162472A (en) * | 2014-08-12 | 2014-11-26 | 泰山医学院 | Semi-automatic energy-saving magnetic ball grinding mill for lining plate |
| CN104668076A (en) * | 2015-02-27 | 2015-06-03 | 郭畅 | Hydraulic transmission system of full-hydraulic driving crawler-type mobile crushing station |
| CN205478609U (en) * | 2016-01-15 | 2016-08-17 | 洛阳中重自动化工程有限责任公司 | Jacking and jacking unloading hydraulic control system of mining mill feeding trolley |
-
2016
- 2016-01-15 CN CN201610025752.2A patent/CN105485079A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829627A (en) * | 2010-03-23 | 2010-09-15 | 中信重工机械股份有限公司 | Integrated hydraulic driven dual-shaft moving mill feed trolley |
| CN102218845B (en) * | 2011-01-27 | 2014-05-07 | 济南易久自动化技术有限公司 | Movable type rotary hot-pressing production line for brake block die |
| CN202296222U (en) * | 2011-09-19 | 2012-07-04 | 大连维乐液压制造有限公司 | Feed trolley hydraulic station |
| CN104162472A (en) * | 2014-08-12 | 2014-11-26 | 泰山医学院 | Semi-automatic energy-saving magnetic ball grinding mill for lining plate |
| CN104668076A (en) * | 2015-02-27 | 2015-06-03 | 郭畅 | Hydraulic transmission system of full-hydraulic driving crawler-type mobile crushing station |
| CN205478609U (en) * | 2016-01-15 | 2016-08-17 | 洛阳中重自动化工程有限责任公司 | Jacking and jacking unloading hydraulic control system of mining mill feeding trolley |
Non-Patent Citations (1)
| Title |
|---|
| 白桂文: "G P 460/150 型给料破碎机液压***", 《应用技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131162A (en) * | 2017-05-04 | 2017-09-05 | 洛阳中重自动化工程有限责任公司 | Hydraulic control system for double-slow-speed driving device of large mill |
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Application publication date: 20160413 |