CN203939798U - A kind of mechanism that realizes automation commutation with flow guiding valve - Google Patents
A kind of mechanism that realizes automation commutation with flow guiding valve Download PDFInfo
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- CN203939798U CN203939798U CN201420236611.1U CN201420236611U CN203939798U CN 203939798 U CN203939798 U CN 203939798U CN 201420236611 U CN201420236611 U CN 201420236611U CN 203939798 U CN203939798 U CN 203939798U
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- cylinder
- selector valve
- connecting rod
- cam
- commutation
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Abstract
A kind of mechanism that realizes automation commutation with flow guiding valve of the utility model, belongs to oil cylinder automatic reverse technical field; Technical problem to be solved has been to provide the control of a kind of employing allosome, utilize connecting rod that to-and-fro motion is become to rotatablely moving of crank, band moving cam rotates, cam promotes selector valve commutation, thereby control the to-and-fro motion of hydraulic cylinder piston, can prevent the mechanism that realizes automation commutation with flow guiding valve of the generation at dead point; The technological scheme that solves this technical problem employing is: a kind of mechanism that realizes automation commutation with flow guiding valve, the piston rod of A, B cylinder is connected with the connecting rod of connecting rod A, B respectively, the end of connecting rod A and B crank is respectively arranged with the first cam and the second cam, and the actuator port A mouth of selector valve A, B and B mouth are connected with the HeⅡ chamber, I chamber of B cylinder and A cylinder respectively by emulsified liquid pipeline; The utility model can be widely used in oil cylinder automatic reverse field.
Description
Technical field
A kind of mechanism that realizes automation commutation with flow guiding valve of the utility model, belongs to oil cylinder automatic reverse technical field.
Background technique
China is a big coal country, is a serious country that relies on Coal Energy Source, the big country of Ye Shi mine disaster simultaneously, and illegal mining colliery, to produce the artificial origins such as the aging and fault of error, apparatus be the main cause of mine disaster.
Colliery is in the time of underground mining, owing to may occur gas leakage in recovery process, gas mixes with air, at high temperature abrupt oxidization, form shock wave phenomenon, the coal mine gas from explosion of China is mainly electrical spark and explosion, main scene is getting working face, the instantaneous temperature that gas explosion produces is high, pressure expansion is fast, near gas blast unit outwards impacts with speed more than hundreds of rice per second, make casualties, tunnel and equipment facility damage, after blast, the concentration of oxygen reduces, produce a large amount of carbon dioxide and carbon monoxide, have and suffocate and poisoning danger.
Hydraulic support often need to be installed in the downhole production of ore deposit, and traditional hydraulic support underground is installed the general Artisan industry operation that adopts, and labor intensity is large, inefficiency, potential safety hazard is many, along with developing rapidly of colliery industry, is badly in need of a kind of working 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 to avoid electricity consumption as far as possible, prevent danger.In addition, on machine in place, the steady running of hydraulic equipment is also an important indicator of machine service behaviour in place, and the automatic control system pulse of current machine hydraulic system in place is large, and poor stability has a strong impact on the service behaviour of machine in place.
Model utility content
The utility model has overcome the deficiency that prior art exists, the control of a kind of employing allosome is provided, utilize connecting rod that to-and-fro motion is become to rotatablely moving of crank, band moving cam rotates, cam promotes selector valve commutation, thereby control the to-and-fro motion of hydraulic cylinder piston, can prevent the mechanism that realizes automation commutation with flow guiding valve of the generation at dead point.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of mechanism that realizes automation commutation with flow guiding valve, comprise A cylinder, B cylinder, selector valve A, selector valve B, connecting rod A and connecting rod B, described A cylinder is identical with the structure of B cylinder, described selector valve A and selector valve B are mechanical switching valve, one end of described mechanical switching valve body is provided with commutation driving lever, the other end is provided with Returnning spring, described selector valve A is identical with the structure of selector valve B, and connecting rod A is identical with the structure of connecting rod B;
The structure of A cylinder is: comprise cylinder body and piston rod, and two chambers that jointly formed by cylinder body and piston rod, in described two chambers, having the chamber of piston rod is I chamber, another one chamber is II chamber;
The piston rod of described A cylinder is connected with the connecting rod of connecting rod A, the straight reciprocating motion of A cylinder piston rod is changed into the circular movement of connecting rod A crank, the end of described connecting rod A crank is provided with the first cam, the outer rim of described the first cam contacts with the commutation driving lever of the selector valve A that is arranged on A cylinder top, twice of the selector valve A commutation that rotate a circle of described the first cam, the piston of A cylinder completes a reciprocating stroke, by described the first cam do not stop rotarily drive selector valve A and realize automatic reverse;
The piston rod of described B cylinder is connected with the connecting rod of connecting rod B, the straight reciprocating motion of B cylinder piston rod is changed into the circular movement of connecting rod B crank, the end of described connecting rod B crank is provided with the second cam, the outer rim of described the second cam contacts with the commutation driving lever of the selector valve B that is arranged on B cylinder top, twice of the selector valve B commutation that rotate a circle of described the second cam, the piston of B cylinder completes a reciprocating stroke, by described the second cam do not stop rotarily drive selector valve B and realize automatic reverse;
The actuator port A mouth of described selector valve A and B mouth are connected with the HeⅡ chamber, I chamber of B cylinder respectively by emulsified liquid pipeline, and the actuator port A mouth of described selector valve B and B mouth are connected with the HeⅡ chamber, I chamber of A cylinder respectively by emulsified liquid pipeline.
Described selector valve A and selector valve B are two-position four-way valve.
Described the first cam is identical with the structure of the second cam.
The beneficial effect that the utility model compared with prior art has is: the utility model adopts allosome commutation, be that A cylinder is commutated by the control of B cylinder, B cylinder is commutated by the control of A cylinder, the utility model is mainly to utilize connecting rod that to-and-fro motion is become to rotatablely moving of crank, band moving cam rotates, cam promotes selector valve commutation, thereby control the to-and-fro motion of hydraulic cylinder piston, reach commutation object, the utility model utilizes connecting rod to substitute traditional spring changement, the stability of greatly having improved commutation, can prevent the generation at dead point.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described further.
Fig. 1 is structural representation of the present utility model.
In figure, 1 is that the first cam, 2 is the second cam.
Embodiment
As shown in Figure 1, a kind of mechanism that realizes automation commutation with flow guiding valve of the utility model, comprise A cylinder, B cylinder, selector valve A, selector valve B, connecting rod A and connecting rod B, described A cylinder is identical with the structure of B cylinder, described selector valve A and selector valve B are mechanical switching valve, one end of described mechanical switching valve body is provided with commutation driving lever, the other end is provided with Returnning spring, described selector valve A is identical with the structure of selector valve B, and connecting rod A is identical with the structure of connecting rod B;
The structure of A cylinder is: comprise cylinder body and piston rod, and two chambers that jointly formed by cylinder body and piston rod, in described two chambers, having the chamber of piston rod is I chamber, another one chamber is II chamber;
The piston rod of described A cylinder is connected with the connecting rod of connecting rod A, the straight reciprocating motion of A cylinder piston rod is changed into the circular movement of connecting rod A crank, the end of described connecting rod A crank is provided with the first cam 1, the outer rim of described the first cam 1 contacts with the commutation driving lever of the selector valve A that is arranged on A cylinder top, twice of the selector valve A commutation that rotate a circle of described the first cam 1, the piston of A cylinder completes a reciprocating stroke, by described the first cam 1 do not stop rotarily drive selector valve A and realize automatic reverse;
The piston rod of described B cylinder is connected with the connecting rod of connecting rod B, the straight reciprocating motion of B cylinder piston rod is changed into the circular movement of connecting rod B crank, the end of described connecting rod B crank is provided with the second cam 2, the outer rim of described the second cam 2 contacts with the commutation driving lever of the selector valve B that is arranged on B cylinder top, twice of the selector valve B commutation that rotate a circle of described the second cam 2, the piston of B cylinder completes a reciprocating stroke, by described the second cam 2 do not stop rotarily drive selector valve B and realize automatic reverse;
The actuator port A mouth of described selector valve A and B mouth are connected with the HeⅡ chamber, I chamber of B cylinder respectively by emulsified liquid pipeline, and the actuator port A mouth of described selector valve B and B mouth are connected with the HeⅡ chamber, I chamber of A cylinder respectively by emulsified liquid pipeline.
Described selector valve A and selector valve B are two-position four-way valve.
Described the first cam 1 is identical with the structure of the second cam 2.
Working procedure of the present utility model: in the time that selector valve A actuator port A passes through high-pressure emulsion, this high-pressure emulsion enters the I chamber of B cylinder along emulsified liquid pipeline, promoting B cylinder piston moves right, low pressure emulsified liquid in B cylinder II chamber flow back into emulsification fluid cylinder from the actuator port B of selector valve A through emulsified liquid pipeline, in the process moving right at B cylinder piston, the piston rod of B cylinder drives the link motion of the connecting rod B being attached thereto, thereby drive the crank of connecting rod B to circle, and then drive the second cam 2 to rotate, the commutation driving lever of selector valve B is oppressed or unclamped to cam 2, selector valve B is commutated, when the piston movement of B cylinder is during to low order end, selector valve B commutates, change the flow direction that flows into A cylinder emulsified liquid, thereby the piston movement direction of A cylinder is changed, the now piston of A cylinder or the leftmost side in A cylinder, in the rightmost side of A cylinder,
In the time that selector valve A actuator port B passes through high-pressure emulsion, this high-pressure emulsion enters the II chamber of B cylinder along emulsified liquid pipeline, promoting B cylinder piston is moved to the left, low pressure emulsified liquid in B cylinder I chamber flow back into emulsification fluid cylinder from the actuator port A of selector valve A through emulsified liquid pipeline, in the process being moved to the left at B cylinder piston, the piston rod of B cylinder drives the link motion of the connecting rod B being attached thereto, thereby drive the crank of connecting rod B to circle, and then drive the second cam 2 to rotate, the commutation driving lever of selector valve B is oppressed or unclamped to cam 2, selector valve B is commutated, when the piston movement of B cylinder is during to high order end, selector valve B commutates, change the flow direction that flows into A cylinder emulsified liquid, thereby the piston movement direction of A cylinder is changed, the now piston of A cylinder or the leftmost side in A cylinder, in the rightmost side of A cylinder.
The every rotation one of the second cam 2 is enclosed, and selector valve B completes twice commutation, and B cylinder piston back and forth forms to completing one; The every rotation one of the first cam 1 is enclosed, and selector valve A also completes twice commutation, and A cylinder piston back and forth forms to completing one;
As from the foregoing, the piston of A cylinder and B cylinder or be synchronized with the movement, or differ a single direction stroke of piston.
In the time of feed liquor and selector valve connection, always have an oil cylinder job, drive crank rotation when work, crank transmission drives another cylinder working; Crank rotates and drives rotary valve to change flow direction to make another cylinder commutation, and this hockets and has just realized twin-tub and constantly commutate, alternately continuous operation.
Because the curvature diameter of design crank equals the stroke of cylinder, so, oil cylinder often complete a stroke go out into carrying out twice commutation to another cylinder control valve to go out to change over, enter to change, the Commutating mechanism crank of selector valve and the stroke of cylinder must just be joined, if cylinder is not with other load, ceaselessly to-and-fro motion, if its piston head has again piston rod to pass and enter another cylinder barrel from cylinder bottom, can complete hydraulic pressure conversion, and export another pressured fluid.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken possessing those of ordinary skill in the art, can also under the prerequisite that does not depart from the utility model aim, make various variations.
Claims (3)
1. realize the mechanism of automation commutation with flow guiding valve for one kind, it is characterized in that: comprise A cylinder, B cylinder, selector valve A, selector valve B, connecting rod A and connecting rod B, described A cylinder is identical with the structure of B cylinder, described selector valve A and selector valve B are mechanical switching valve, one end of described mechanical switching valve body is provided with commutation driving lever, the other end is provided with Returnning spring, described selector valve A is identical with the structure of selector valve B, and connecting rod A is identical with the structure of connecting rod B;
The structure of A cylinder is: comprise cylinder body and piston rod, and two chambers that jointly formed by cylinder body and piston rod, in described two chambers, having the chamber of piston rod is I chamber, another one chamber is II chamber;
The piston rod of described A cylinder is connected with the connecting rod of connecting rod A, the straight reciprocating motion of A cylinder piston rod is changed into the circular movement of connecting rod A crank, the end of described connecting rod A crank is provided with the first cam (1), the outer rim of described the first cam (1) contacts with the commutation driving lever of the selector valve A that is arranged on A cylinder top, described the first cam (1) twice of selector valve A commutation that rotate a circle, the piston of A cylinder completes a reciprocating stroke, by described the first cam (1) do not stop rotarily drive selector valve A and realize automatic reverse;
The piston rod of described B cylinder is connected with the connecting rod of connecting rod B, the straight reciprocating motion of B cylinder piston rod is changed into the circular movement of connecting rod B crank, the end of described connecting rod B crank is provided with the second cam (2), the outer rim of described the second cam (2) contacts with the commutation driving lever of the selector valve B that is arranged on B cylinder top, described the second cam (2) twice of selector valve B commutation that rotate a circle, the piston of B cylinder completes a reciprocating stroke, by described the second cam (2) do not stop rotarily drive selector valve B and realize automatic reverse;
The actuator port A mouth of described selector valve A and B mouth are connected with the HeⅡ chamber, I chamber of B cylinder respectively by emulsified liquid pipeline, and the actuator port A mouth of described selector valve B and B mouth are connected with the HeⅡ chamber, I chamber of A cylinder respectively by emulsified liquid pipeline.
2. a kind of mechanism that realizes automation commutation with flow guiding valve according to claim 1, is characterized in that: described selector valve A and selector valve B are two-position four-way valve.
3. a kind of mechanism that realizes automation commutation with flow guiding valve according to claim 1, is characterized in that: described the first cam (1) is identical with the structure of the second cam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420236611.1U CN203939798U (en) | 2014-05-10 | 2014-05-10 | A kind of mechanism that realizes automation commutation with flow guiding valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420236611.1U CN203939798U (en) | 2014-05-10 | 2014-05-10 | A kind of mechanism that realizes automation commutation with flow guiding valve |
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| Publication Number | Publication Date |
|---|---|
| CN203939798U true CN203939798U (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420236611.1U Expired - Fee Related CN203939798U (en) | 2014-05-10 | 2014-05-10 | A kind of mechanism that realizes automation commutation with flow guiding valve |
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| CN (1) | CN203939798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982483A (en) * | 2014-05-10 | 2014-08-13 | 长治市永华机械有限公司 | Mechanism for realizing automatic reversing through a distributing slide valve |
| CN113669219A (en) * | 2021-08-30 | 2021-11-19 | 英达热再生有限公司 | Full-automatic grouting equipment for high-speed proportioning by utilizing macroscopic air suction stability |
-
2014
- 2014-05-10 CN CN201420236611.1U patent/CN203939798U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982483A (en) * | 2014-05-10 | 2014-08-13 | 长治市永华机械有限公司 | Mechanism for realizing automatic reversing through a distributing slide valve |
| CN103982483B (en) * | 2014-05-10 | 2016-04-06 | 长治市永华机械有限公司 | The mechanism of automation commutation is realized with flow guiding valve |
| CN113669219A (en) * | 2021-08-30 | 2021-11-19 | 英达热再生有限公司 | Full-automatic grouting equipment for high-speed proportioning by utilizing macroscopic air suction stability |
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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 |
Granted publication date: 20141112 Termination date: 20150510 |
|
| EXPY | Termination of patent right or utility model |