CN103836018B - Automation changement - Google Patents
Automation changement Download PDFInfo
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- CN103836018B CN103836018B CN201410066249.2A CN201410066249A CN103836018B CN 103836018 B CN103836018 B CN 103836018B CN 201410066249 A CN201410066249 A CN 201410066249A CN 103836018 B CN103836018 B CN 103836018B
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Abstract
Automation changement of the present invention, belongs to cylinder control device technical field, technical problem to be solved is for providing a kind of motion that utilizes oil cylinder self piston rod to realize auto reversive changement, the technical scheme that technical solution problem adopts is: automation changement, comprise the first oil cylinder, the second oil cylinder, the 3rd oil cylinder, first piston bar, the second piston rod, the 3rd piston rod and hand-operated direction valve, described the first oil cylinder, the cylinder body of the second oil cylinder and the 3rd oil cylinder is all fixedly installed, described the second oil cylinder is arranged between the first oil cylinder and the 3rd oil cylinder, the bottom of described hand-operated direction valve is fixed, hand-operated direction valve is two-position four-way valve, the direction of motion of hand-operated direction valve control the second piston, the present invention utilizes the motion of self piston rod to realize automatically and controls, increase the explosion-proof security that equipment uses under mine.
Description
Technical field
Automation changement of the present invention, belongs to cylinder control device technical field.
Background technology
Hydraulic support often need to be installed under mine, and traditional hydraulic support underground is installed the general handicraft operation that adopts, and labour intensity is large, inefficiency, potential safety hazard is many, along with developing rapidly of colliery industry, is badly in need of a kind of operating efficiency high, adaptable device changes the status quo, also have in the market some machines in place, but the center of gravity of these machines in place is high, with cantilever, safety index is low, does not meet the needs of Modern coal mines fast development. And, all very high to the requirement of explosion proof of equipment under mine, for machine in place safe operation under mine, therefore will avoid electricity consumption as far as possible, prevent danger, the control system of oil cylinder is mainly Electromagnetic Control now, the explosion-proof performance of Electromagnetic Control is poor, affects the safety in production under mine.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and technical problem to be solved is for providing a kind of motion that utilizes oil cylinder self piston rod to realize auto reversive changement.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: automation changement, comprise the first oil cylinder, the second oil cylinder, the 3rd oil cylinder, first piston bar, the second piston rod, the 3rd piston rod and hand-operated direction valve, described the first oil cylinder, the cylinder body of the second oil cylinder and the 3rd oil cylinder is all fixedly installed, described the second oil cylinder is arranged between the first oil cylinder and the 3rd oil cylinder, the inside of described the first oil cylinder is divided into A chamber and B chamber by first piston, the inside of the second oil cylinder is divided into C chamber and D chamber by the second piston, E chamber and F chamber are cut apart by the 3rd piston in the inside of the 3rd oil cylinder, one end of described first piston bar is connected with first piston through behind B chamber, the other end is connected with one end of the second piston through behind C chamber, one end of described the second piston rod is connected with the second piston through behind D chamber, the other end is connected with the 3rd piston through behind E chamber, described first piston and the 3rd piston move back and forth under the drive of the second piston, one end of described the 3rd piston rod is connected with the 3rd piston through behind F chamber, the other end is connected with the handle upper end of hand-operated direction valve by spring, the bottom of described hand-operated direction valve is fixed, hand-operated direction valve is two-position four-way valve, the direction of motion of hand-operated direction valve control the second piston, on described A chamber, be provided with the first high-pressure outlet and the first low pressure inlet, described the first high-pressure outlet is connected with the first check valve by pipeline, described the first check valve is opened when fuel-displaced at the first high-pressure outlet, described the first low pressure inlet is connected with the second check valve by pipeline, described the second check valve is opened in the time of the first low pressure inlet oil-feed, on described F chamber, be provided with the second high-pressure outlet and the second low pressure inlet, described the second high-pressure outlet is connected with the 3rd check valve by pipeline, described the 3rd check valve is opened when fuel-displaced at the second high-pressure outlet, described the second low pressure inlet is connected with the 4th check valve by pipeline, described the 4th check valve is opened during in oil-feed in the second low pressure inlet.
Wherein, described the second oil cylinder passes through emulsion driving.
Wherein, described the first oil cylinder and the 3rd oil cylinder drive by hydraulic oil.
Wherein, the maximum elastic force of described spring is greater than the commutation resistance of hand-operated direction valve.
Wherein, the material of described spring is silicon-manganese spring steel.
The present invention compared with prior art has following beneficial effect.
One, the present invention includes the first oil cylinder, the second oil cylinder and the 3rd oil cylinder, the first in-oil cylinder first piston is connected by first piston bar with second in-oil cylinder the second piston, the second piston is connected by the second piston rod with the 3rd in-oil cylinder the 3rd piston, the second piston drives the motion of first piston and the 3rd piston simultaneously, the commutation of the motion control hand-operated direction valve of the 3rd piston, and hand-operated direction valve is the oil passage control valve of the second oil cylinder, like this, entirety of the present invention is just the control loop of a closed loop, has realized automatic control.
Two, between the 3rd piston rod of the present invention and the upper end of hand-operated direction valve handle, be connected by spring, drive spring motion by the motion of the 3rd piston, spring is constantly out of shape, elastic potential energy increases, in the time that the elastic force of spring overcomes the commutation resistance of hand-operated direction valve, handle rotates, spring discharges elastic potential energy, make handle move on to another location and realize commutation, this structure can be controlled hand-operated direction valve commutation reposefully, avoid using traditional Electromagnetic Control, utilize the motion of self to realize automatic reverse of the present invention completely, increase the explosion-proof security that equipment uses under mine.
Three, the second oil cylinder of the present invention is power cylinder, between the second piston and first piston, be connected by first piston bar, between the second piston and the 3rd piston, be connected by the second piston rod, therefore, the second in-oil cylinder driving liquid does not contact with the 3rd oil cylinder with the first oil cylinder, therefore, the second oil cylinder adopts the comparatively cheap emulsion of price as driving liquid, drives effect can not weaken, and, production cost reduces, and has improved economic benefit.
Four, spring material of the present invention is silicon-manganese spring steel, and because reversal valve needs regular commutation work, the elasticity of this spring and durability are all fine, can ensure operation steady in a long-term of the present invention.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is the structural representation of automation changement of the present invention.
In figure: 1 is the first oil cylinder, 2 is the second oil cylinder, 3 is the 3rd oil cylinder, 4 is hand-operated direction valve, 5 is first piston bar, 6 is the second piston rod, 7 is spring, 8 is the 3rd piston rod, 11 is first piston, 12 is A chamber, 13 is B chamber, 21 is the second piston, 22 is C chamber, 23 is D chamber, 31 is the 3rd piston, 32 is E chamber, 33 is F chamber, 121 is the first high-pressure outlet, 122 is the first low pressure inlet, 123 is the first check valve, 124 is two check valves, 331 is the second high-pressure outlet, 332 is the second low pressure inlet, 333 is the 3rd check valve, 334 is the 4th check valve.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation, and accompanying drawing is the schematic diagram of simplifying, and basic structure of the present invention is only described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Automation changement, comprise the first oil cylinder 1, the second oil cylinder 2, the 3rd oil cylinder 3, first piston bar 5, the second piston rod 6, the 3rd piston rod 8 and hand-operated direction valve 4, described the first oil cylinder 1, the cylinder body of the second oil cylinder 2 and the 3rd oil cylinder 3 is all fixedly installed, described the second oil cylinder 2 passes through emulsion driving, described the first oil cylinder 1 and the 3rd oil cylinder 3 drive by hydraulic oil, described the second oil cylinder 2 is arranged between the first oil cylinder 1 and the 3rd oil cylinder 3, the inside of described the first oil cylinder 1 is divided into A chamber 12 and B chamber 13 by first piston 11, the inside of the second oil cylinder 2 is divided into C chamber 22 and D chamber 23 by the second piston 21, E chamber 32 and F chamber 33 are cut apart by the 3rd piston 31 in the inside of the 3rd oil cylinder 3, one end of described first piston bar 5 is connected with first piston 11 through behind B chamber 13, the other end is connected with one end of the second piston 21 through behind C chamber 22, one end of described the second piston rod 6 is connected with the second piston 21 through behind D chamber 23, the other end is connected with the 3rd piston 31 through behind E chamber 32, described first piston 11 and the 3rd piston 31 move back and forth under the drive of the second piston 21, one end of described the 3rd piston rod 8 is connected with the 3rd piston 31 through behind F chamber 33, the other end is connected with the handle upper end of hand-operated direction valve 4 by spring 7, the bottom of described hand-operated direction valve 4 is fixed, hand-operated direction valve 4 is two-position four-way valve, hand-operated direction valve 4 is controlled the direction of motion of the second piston 21, on described A chamber 12, be provided with the first high-pressure outlet 121 and the first low pressure inlet 122, described the first high-pressure outlet 121 is connected with the first check valve 123 by pipeline, described the first check valve 123 is opened when fuel-displaced at the first high-pressure outlet 121, described the first low pressure inlet 122 is connected with the second check valve 124 by pipeline, described the second check valve 124 is opened in the time of the first low pressure inlet 122 oil-feed, on described F chamber 33, be provided with the second high-pressure outlet 331 and the second low pressure inlet 332, described the second high-pressure outlet 331 is connected with the 3rd check valve 333 by pipeline, described the 3rd check valve 333 is opened when fuel-displaced at the second high-pressure outlet 331, described the second low pressure inlet 332 is connected with the 4th check valve 334 by pipeline, described the 4th check valve 334 is opened during in oil-feed in the second low pressure inlet 332.
The first high-pressure outlet 121 of the present invention and the second high-pressure outlet 331 are all connected on workpiece, control the direction of motion of the second piston 21 in the second oil cylinder 2 by hand-operated direction valve 4, in the time of the interior confession in the C chamber 22 to the second oil cylinder 2 emulsion, the second piston 21 is to the 23 direction motions of D chamber, the second piston 21 drives first piston 11 and the 3rd piston 31 to move simultaneously, the A chamber 12 of the first oil cylinder 1 becomes large, B chamber 13 diminishes, the first check valve 123 is closed, the second check valve 124 is opened, hydraulic oil enters in A chamber 12 from the first low pressure inlet 122 after by the second check valve 124, the C chamber 22 of the 3rd oil cylinder 3 becomes large, D chamber 23 reduces, the 3rd check valve 333 is opened, the 4th check valve 334 is closed, hydraulic oil in F chamber 33 is by the rear discharge of the second high-pressure outlet 331, as the oil for work of workpiece, the 3rd piston rod 8 stretches out under the drive of the 3rd piston 31, the 3rd piston rod 8 extension springs 7, in the time that the elastic potential energy of spring 7 is greater than the commutation resistance of hand-operated direction valve 4, hand-operated direction valve 4 automatic reverses, emulsion is supplied in D chamber 23, the second piston 21 counter motions, at this moment, A chamber 12 diminishes, B chamber 13 becomes large, the first high-pressure outlet 121 is fuel-displaced, the second high-pressure outlet 331 is to workpiece fuel feeding, E chamber 32 diminishes, F chamber 33 becomes large, the second low pressure inlet 332 oil-feeds, in the time that the 3rd piston rod 8 drives spring 7 counter motion, in the time that the elastic force secondary of spring 7 overcomes the reverse commutation resistance of hand-operated direction valve 4, hand-operated direction valve 4 commutates again, realize the lasting fuel feeding to workpiece.
Spring 7 deformation parameters and system pressure of the present invention match, and according to actual needs, the size of the elastic force of spring 7 and hand-operated direction valve 4 matches.
Claims (5)
1. automation changement, it is characterized in that, comprise the first oil cylinder (1), the second oil cylinder (2), the 3rd oil cylinder (3), first piston bar (5), the second piston rod (6), the 3rd piston rod (8) and hand-operated direction valve (4), described the first oil cylinder (1), the cylinder body of the second oil cylinder (2) and the 3rd oil cylinder (3) is all fixedly installed, described the second oil cylinder (2) is arranged between the first oil cylinder (1) and the 3rd oil cylinder (3), the inside of described the first oil cylinder (1) is divided into A chamber (12) and B chamber (13) by first piston (11), the inside of the second oil cylinder (2) is divided into C chamber (22) and D chamber (23) by the second piston (21), E chamber (32) and F chamber (33) are cut apart by the 3rd piston (31) in the inside of the 3rd oil cylinder (3), one end of described first piston bar (5) is connected with first piston (11) through behind B chamber (13), the other end is connected with one end of the second piston (21) through behind C chamber (22), one end of described the second piston rod (6) is connected with the second piston (21) through behind D chamber (23), the other end is connected with the 3rd piston (31) through behind E chamber (32), described first piston (11) and the 3rd piston (31) move back and forth under the drive of the second piston (21), one end of described the 3rd piston rod (8) is connected with the 3rd piston (31) through behind F chamber (33), the other end is connected with the handle upper end of hand-operated direction valve (4) by spring (7), the bottom of described hand-operated direction valve (4) is fixed, hand-operated direction valve (4) is two-position four-way valve, hand-operated direction valve (4) is controlled the direction of motion of the second piston (21), on described A chamber (12), be provided with the first high-pressure outlet (121) and the first low pressure inlet (122), described the first high-pressure outlet (121) is connected with the first check valve (123) by pipeline, described the first check valve (123) is opened in the time that the first high-pressure outlet (121) is fuel-displaced, described the first low pressure inlet (122) is connected with the second check valve (124) by pipeline, described the second check valve (124) is opened in the time of the first low pressure inlet (122) oil-feed, on described F chamber (33), be provided with the second high-pressure outlet (331) and the second low pressure inlet (332), described the second high-pressure outlet (331) is connected with the 3rd check valve (333) by pipeline, described the 3rd check valve (333) is opened in the time that the second high-pressure outlet (331) is fuel-displaced, described the second low pressure inlet (332) is connected with the 4th check valve (334) by pipeline, described the 4th check valve (334) is opened during in oil-feed in the second low pressure inlet (332).
2. automation changement according to claim 1, is characterized in that, described the second oil cylinder (2) passes through emulsion driving.
3. automation changement according to claim 1 and 2, is characterized in that, described the first oil cylinder (1) and the 3rd oil cylinder (3) drive by hydraulic oil.
4. automation changement according to claim 1 and 2, is characterized in that, the maximum elastic force of described spring (7) is greater than the commutation resistance of hand-operated direction valve (4).
5. automation changement according to claim 1 and 2, is characterized in that, the material of described spring (7) is silicon-manganese spring steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410066249.2A CN103836018B (en) | 2014-02-26 | 2014-02-26 | Automation changement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410066249.2A CN103836018B (en) | 2014-02-26 | 2014-02-26 | Automation changement |
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| Publication Number | Publication Date |
|---|---|
| CN103836018A CN103836018A (en) | 2014-06-04 |
| CN103836018B true CN103836018B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410066249.2A Active CN103836018B (en) | 2014-02-26 | 2014-02-26 | Automation changement |
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| CN (1) | CN103836018B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979190B (en) * | 2017-05-22 | 2018-08-28 | 武汉科技大学 | A kind of experimental provision and method of low-frictional force hydraulic cylinder performance detection |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201137719Y (en) * | 2007-12-27 | 2008-10-22 | 北京中煤矿山工程有限公司 | Wet-type concrete jetting machine gas inlet valve |
| CN102562686A (en) * | 2010-12-08 | 2012-07-11 | 西安众智惠泽光电科技有限公司 | Hydraulic system for double-acting supercharger |
| CN102619795A (en) * | 2012-04-13 | 2012-08-01 | 长治市永华机械有限公司 | Four-cavity dual-medium reciprocating hydraulic device |
| CN103075375A (en) * | 2013-01-28 | 2013-05-01 | 长治市永华机械有限公司 | Double-medium power conversion device |
-
2014
- 2014-02-26 CN CN201410066249.2A patent/CN103836018B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201137719Y (en) * | 2007-12-27 | 2008-10-22 | 北京中煤矿山工程有限公司 | Wet-type concrete jetting machine gas inlet valve |
| CN102562686A (en) * | 2010-12-08 | 2012-07-11 | 西安众智惠泽光电科技有限公司 | Hydraulic system for double-acting supercharger |
| CN102619795A (en) * | 2012-04-13 | 2012-08-01 | 长治市永华机械有限公司 | Four-cavity dual-medium reciprocating hydraulic device |
| CN103075375A (en) * | 2013-01-28 | 2013-05-01 | 长治市永华机械有限公司 | Double-medium power conversion device |
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| CN103836018A (en) | 2014-06-04 |
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Effective date of registration: 20170509 Address after: 226000, Jiangsu, Nantong province Tongzhou District stone port town stone West Village seven groups Patentee after: Nantong Xinxing Machinery Manufacturing Co., Ltd. Address before: 046012 Changzhi City Industrial Park, North Village, Shanxi Patentee before: Changzhi City Yonghua Machinery Co., Ltd. |