CN204225883U - Fully-mechanized mining working digging and transport machine anti-slipping mechanism and antiskid system - Google Patents
Fully-mechanized mining working digging and transport machine anti-slipping mechanism and antiskid system Download PDFInfo
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- CN204225883U CN204225883U CN201420673789.2U CN201420673789U CN204225883U CN 204225883 U CN204225883 U CN 204225883U CN 201420673789 U CN201420673789 U CN 201420673789U CN 204225883 U CN204225883 U CN 204225883U
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Abstract
Fully-mechanized mining working digging and transport machine anti-slipping mechanism, comprise anti-skidding jack (1), described anti-skidding jack (1) comprises piston rod (101), annular chamber (102) and circular cavity (103), described annular chamber (102) is connected with total water influent pipeline (10) and total liquid back pipe road (11) respectively, forms water influent pipeline and liquid back pipe road; Described water influent pipeline is connected with back liquid broken circuit control device (2); Described liquid back pipe road is connected with constant-pressure control device (3).The utility model effectively can solve fully-mechanized mining working digging and transport machine downslide problem.
Description
Technical field
The utility model relates to a kind of anti-slipping mechanism and antiskid system, especially a kind of fully-mechanized mining working digging and transport machine anti-slipping mechanism and antiskid system.
Background technology
In mining steeply dipping coal seam process, fully-mechanized mining equipment also exists downslide problem, mainly the downslide of fully-mechanized mining working digging and transport machine.
Digging and transport machine seriously glides, and not only will stop production process, not only have impact on fully-mechanized mining working production efficiency, and also totally unfavorable to equipment itself, and have certain threat to safety.First, increase industrial accident probability, after fully-mechanized mining working digging and transport machine glides, the normal production order is broken, can not normal cyclic operation, adds the fully-mechanized mining working fresh roof non-support time, be unfavorable for the management to top board, easily cause coal to help roof fall accident.Secondly, cause coal mine production safety hidden danger, block the emergency exit of coal-face because digging and transport machine glides, decrease the useful area of ventilation on the one hand, do not ensure that the pedestrian of fully-mechanized mining working emergency exit is unobstructed on the other hand, totally unfavorable to Safety of Coal Mine Production.
Although in mining steeply dipping coal seam process, fully-mechanized mining working digging and transport machine also exists serious downslide problem, has not only had a strong impact on the raising of fully-mechanized mining working production efficiency, and, also directly threaten the safety in production of fully-mechanized mining working.But at present, still there is no effective non-skid feature, more effectively do not control the antiskid device that digging and transport machine glides.
Utility model content
For solving the technical problem of current fully-mechanized mining working digging and transport machine offset sharper slowdowns, the utility model provides a kind of fully-mechanized mining working digging and transport machine anti-slipping mechanism and antiskid system.
The technical solution adopted in the utility model is as follows:
Fully-mechanized mining working digging and transport machine anti-slipping mechanism, comprises anti-skidding jack, and described anti-skidding jack comprises piston rod, annular chamber and circular cavity, and described annular chamber is connected with total water influent pipeline and total liquid back pipe road respectively, forms water influent pipeline and liquid back pipe road; Described water influent pipeline is connected with back liquid broken circuit control device, for stoping the liquid backflow entering described annular chamber through described water influent pipeline; Described liquid back pipe road being connected with constant-pressure control device, being drawn out under external force for controlling described piston rod, liquid is passed by journey being back to described liquid back pipe, keeps pressure in described annular chamber constant.
In above-mentioned fully-mechanized mining working digging and transport machine anti-slipping mechanism, described water influent pipeline is connected with feed liquor stop valve and the first alternate valve, described feed liquor stop valve is near described water influent pipeline and described total water influent pipeline link, and described first alternate valve is connected to described returning between liquid broken circuit control device and described feed liquor stop valve; The vacant end of described first alternate valve is connected with described total liquid back pipe road through a control device for reversing, forms the second water influent pipeline.
In above-mentioned fully-mechanized mining working digging and transport machine anti-slipping mechanism, described liquid back pipe road is also connected with back liquid stop valve, described time liquid stop valve is near described liquid back pipe road and described total liquid back pipe road link.
In above-mentioned fully-mechanized mining working digging and transport machine anti-slipping mechanism, described second water influent pipeline is connected with the second feed liquor stop valve.
In above-mentioned fully-mechanized mining working digging and transport machine anti-slipping mechanism, the second alternate valve is connected with between described time liquid broken circuit control device and described first alternate valve, the vacant termination of described second alternate valve enters described liquid back pipe road, and on-position occupy described and returns between liquid stop valve and described constant-pressure control device.
In above-mentioned fully-mechanized mining working digging and transport machine anti-slipping mechanism, described constant-pressure control device comprises a safety valve, and unlatching pressure set is 32MPa.
In above-mentioned fully-mechanized mining working digging and transport machine anti-slipping mechanism, described control device for reversing comprises a solenoid operated directional valve or a solenoid operated directional valve group.
In above-mentioned fully-mechanized mining working digging and transport machine anti-slipping mechanism, all pressure sensor is installed in described anti-skidding jack, for monitoring the working condition of described anti-slipping mechanism.
Fully-mechanized mining working digging and transport machine antiskid system, comprise several at above-mentioned fully-mechanized mining working digging and transport machine anti-slipping mechanism, the described water influent pipeline of fully-mechanized mining working digging and transport machine anti-slipping mechanism described in each is connected with described total water influent pipeline and total liquid back pipe road with described liquid back pipe road is independent respectively.
Fully-mechanized mining working digging and transport machine antiskid system, comprises several at above-mentioned fully-mechanized mining working digging and transport machine anti-slipping mechanism, and the described liquid back pipe road of fully-mechanized mining working digging and transport machine anti-slipping mechanism described in each is all independent to be connected with described total liquid back pipe road; Described water influent pipeline, when accessing described total water influent pipeline, communicates with each other, and by common described total water influent pipeline of described feed liquor stop valve access.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1. the fully-mechanized mining working digging and transport machine anti-slipping mechanism that provides of the utility model and antiskid system, owing to being connected with constant-pressure control device on the liquid back pipe road formed, water influent pipeline is connected with back liquid broken circuit control device, the pulling force that anti-skidding jack can be made to produce always is stabilized in a steady state value, move forward at digging and transport machine or lift in process, anti-skidding jack still can keep the constant pulling force of digging and transport machine, therefore, the utility model effectively can solve the problem of fully-mechanized mining working digging and transport machine offset sharper slowdowns.
2. the fully-mechanized mining working digging and transport machine anti-slipping mechanism that provides of the utility model and antiskid system, owing to isolating the second water influent pipeline in water influent pipeline, under control device for reversing controls, the conversion between water influent pipeline and the second water influent pipeline can be realized, and be communicated with liquid back pipe road by the second alternate valve, can in needs situation, pressure in annular chamber is made to drop to nothing, therefore, the utility model can when hydraulic support moves forward, anti-skidding jack piston rod is reclaimed, avoids hydraulic support foundation to the damage of anti-skidding jack.
3. the fully-mechanized mining working digging and transport machine anti-slipping mechanism that provides of the utility model and antiskid system, owing to being provided with pressure sensor in anti-skidding jack, therefore, the utility model can obtain feedback in time when mechanism's component is damaged, in time damage component is changed, ensure that anti-slipping mechanism and antiskid system normally work.
Accompanying drawing explanation
In order to make the content of utility model be more likely to be clearly understood, below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the utility model fully-mechanized mining working digging and transport machine anti-slipping mechanism structural representation;
Fig. 2 is the utility model fully-mechanized mining working digging and transport machine antiskid system structural representation;
Fig. 3 is anti-skidding jack and digging and transport machine and hydraulic support annexation schematic diagram in the utility model fully-mechanized mining working digging and transport machine antiskid system.
Be labeled as in figure: the anti-skidding jack of 1-, 2-returns liquid broken circuit control device, 3-constant-pressure control device, 4-feed liquor stop valve, 5-first alternate valve, 6-control device for reversing, 7-returns liquid stop valve, 8-second feed liquor stop valve, 9-second alternate valve, the total water influent pipeline of 10-, the total liquid back pipe road of 11-, 12-digging and transport machine, 13-hydraulic support, 101-piston rod, 102-annular chamber, 103-circular cavity, 1201-digging and transport machine machine beam.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Fig. 1-3 is preferred embodiments of the utility model fully-mechanized mining working digging and transport machine anti-slipping mechanism and antiskid system.
Embodiment one
Described fully-mechanized mining working digging and transport machine anti-slipping mechanism, comprise anti-skidding jack 1, described anti-skidding jack 1 comprises piston rod 101, annular chamber 102 and circular cavity 103, described annular chamber 102 is connected with total water influent pipeline 10 and total liquid back pipe road 11 respectively, forms water influent pipeline and liquid back pipe road; Described water influent pipeline is connected with back liquid broken circuit control device 2; Described liquid back pipe road is connected with constant-pressure control device 3.
In the present embodiment, described water influent pipeline is connected with feed liquor stop valve 4 and the first alternate valve 5, described feed liquor stop valve 4 is near described water influent pipeline and described total water influent pipeline 10 link, and described first alternate valve 5 is connected to described returning between liquid broken circuit control device 2 and described feed liquor stop valve 4; The vacant end of described first alternate valve 5 is connected with described total liquid back pipe road 11 through a control device for reversing 6, forms the second water influent pipeline.
In the present embodiment, described liquid back pipe road is also connected with back liquid stop valve 7, and described time liquid stop valve 7 is near described liquid back pipe road and described total liquid back pipe road 11 link.
In the present embodiment, described second water influent pipeline is connected with the second feed liquor stop valve 8.
In the present embodiment, the second alternate valve 9 is connected with between described time liquid broken circuit control device 2 and described first alternate valve 5, the vacant termination of described second alternate valve 9 enters described liquid back pipe road, and on-position occupy described and returns between liquid stop valve 7 and described constant-pressure control device 3.
In the present embodiment, described constant-pressure control device 3 is a safety valve, and unlatching pressure set is 32MPa.
In the present embodiment, described control device for reversing 6 is a solenoid operated directional valve.
In the present embodiment, all pressure sensor is installed in described anti-skidding jack 1, for monitoring the working condition of described anti-slipping mechanism.
In the present embodiment, described fully-mechanized mining working digging and transport machine antiskid system comprises fully-mechanized mining working digging and transport machine anti-slipping mechanism described in several, and the described water influent pipeline of fully-mechanized mining working digging and transport machine anti-slipping mechanism described in each is connected with described total water influent pipeline 10 and described total liquid back pipe road 11 with described liquid back pipe road is independent respectively.
When fully-mechanized mining working arranges described fully-mechanized mining working digging and transport machine antiskid system, each hydraulic support 13 correspondence installs a described fully-mechanized mining working digging and transport machine anti-slipping mechanism, described anti-skidding jack 1 is fixedly installed on a described hydraulic support 13, and described piston rod 101 is connected with digging and transport machine machine beam 1201.
Described fully-mechanized mining working digging and transport machine antiskid system working method in the present embodiment is as follows:
When starting working, open described feed liquor stop valve 4 and return liquid stop valve 7, close described second feed liquor stop valve 8, the liquid in described total water influent pipeline 10 enters the described annular chamber 102 of described anti-skidding jack 1 through described first alternate valve 5 and the second alternate valve 9, and described piston rod 101 is regained.
Lift or forward digging and transport machine 12 time, the recovery power that pulling force produces considerably beyond liquid in described annular chamber 102 suffered by described piston rod 101, described piston rod 101 stretches out, stretch out in process at described piston rod 101, in described annular chamber 102, liquid is extruded, pressure constantly increases, when the described safety valve setting that pressure exceedes in described constant-pressure control device 3 opens pressure 32MPa, described safety valve is opened, in described annular chamber 102, liquid refluxes through described liquid back pipe road, under described constant-pressure control device 3 controls, in reflux course, in described annular chamber 102, liquid pressure can keep the steady state value of 32MPa.
To lift or after digging and transport machine 12 described in forward in stopping, external force is eliminated, described constant-pressure control device 3 again blocks liquid and refluxes through described liquid back pipe road, liquid reenters the described annular chamber 102 of described anti-skidding jack 1, described piston rod 101 is regained again, in whole process, in described annular chamber 102, pressure remains a steady state value.
At hydraulic support described in forward 13 or need separately for described in one of them during anti-skidding jack 1 feed liquor, close described feed liquor stop valve 4, open described second feed liquor stop valve 8, be communicated with described control device for reversing 6, liquid is made to enter in described annular chamber 102 through described second water influent pipeline, make described piston rod 101 do recovery action, avoid bracket base to extrude described anti-skidding jack 1.Described main liquid back pipe is connected by described alternate valve 2 and described annular chamber 102.
Embodiment two
In the present embodiment, described fully-mechanized mining working digging and transport machine antiskid system, substantially identical with the described fully-mechanized mining working digging and transport machine antiskid system in embodiment one, the described liquid back pipe road of fully-mechanized mining working digging and transport machine anti-slipping mechanism described in each is all independent to be connected with described total liquid back pipe road 11, unique difference is, described water influent pipeline, when accessing described total water influent pipeline 10, communicates with each other, and accesses described total water influent pipeline 10 by common described feed liquor stop valve 4.Namely described in each, the described water influent pipeline of fully-mechanized mining working digging and transport machine anti-slipping mechanism is always controlled by same described feed liquor stop valve 4.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among protection domain of the present utility model.
Claims (10)
1. fully-mechanized mining working digging and transport machine anti-slipping mechanism, it is characterized in that: comprise anti-skidding jack (1), described anti-skidding jack (1) comprises piston rod (101), annular chamber (102) and circular cavity (103), described annular chamber (102) is connected with total water influent pipeline (10) and total liquid back pipe road (11) respectively, forms water influent pipeline and liquid back pipe road;
Described water influent pipeline is connected with back liquid broken circuit control device (2), for stoping the liquid backflow entering described annular chamber (102) through described water influent pipeline;
Described liquid back pipe road is connected with constant-pressure control device (3), be drawn out under external force for controlling described piston rod (101), liquid is passed by journey being back to described liquid back pipe, keeps described annular chamber (102) interior pressure constant.
2. fully-mechanized mining working digging and transport machine anti-slipping mechanism according to claim 1, it is characterized in that: described water influent pipeline is connected with feed liquor stop valve (4) and the first alternate valve (5), described feed liquor stop valve (4) is near described water influent pipeline and described total water influent pipeline (10) link, and described first alternate valve (5) is positioned at described returning between liquid broken circuit control device (2) and described feed liquor stop valve (4);
The vacant end of described first alternate valve (5) is connected with described total water influent pipeline (10) through a control device for reversing (6), forms the second water influent pipeline.
3. fully-mechanized mining working digging and transport machine anti-slipping mechanism according to claim 2, it is characterized in that: described liquid back pipe road is also connected with back liquid stop valve (7), described time liquid stop valve (7) is near described liquid back pipe road and described total liquid back pipe road (11) link.
4. fully-mechanized mining working digging and transport machine anti-slipping mechanism according to claim 3, is characterized in that: described second water influent pipeline is connected with the second feed liquor stop valve (8).
5. fully-mechanized mining working digging and transport machine anti-slipping mechanism according to claim 4, it is characterized in that: between described time liquid broken circuit control device (2) and described first alternate valve (5), be connected with the second alternate valve (9), the vacant termination of described second alternate valve (9) enters described liquid back pipe road, and on-position occupy described and returns between liquid stop valve (7) and described constant-pressure control device (3).
6. fully-mechanized mining working digging and transport machine anti-slipping mechanism according to claim 5, it is characterized in that: described constant-pressure control device (3) comprises a safety valve, unlatching pressure set is 32MPa.
7. fully-mechanized mining working digging and transport machine anti-slipping mechanism according to claim 6, is characterized in that: described control device for reversing (6) comprises a solenoid operated directional valve or a solenoid operated directional valve group.
8. fully-mechanized mining working digging and transport machine anti-slipping mechanism according to claim 7, is characterized in that: be all provided with pressure sensor in described anti-skidding jack (1), for monitoring the working condition of described anti-slipping mechanism.
9. fully-mechanized mining working digging and transport machine antiskid system, it is characterized in that: comprise the arbitrary described fully-mechanized mining working digging and transport machine anti-slipping mechanism of several claim 1-8, the described water influent pipeline of fully-mechanized mining working digging and transport machine anti-slipping mechanism described in each is connected with described total water influent pipeline (10) and described total liquid back pipe road (11) with described liquid back pipe road is independent respectively.
10. fully-mechanized mining working digging and transport machine antiskid system, it is characterized in that: comprise the arbitrary described fully-mechanized mining working digging and transport machine anti-slipping mechanism of several claim 2-8, the described liquid back pipe road of fully-mechanized mining working digging and transport machine anti-slipping mechanism described in each is all independent to be connected with described total liquid back pipe road (11);
Described water influent pipeline, when accessing described total water influent pipeline (10), communicates with each other, and accesses described total water influent pipeline (10) by common described feed liquor stop valve (4).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389601A (en) * | 2014-11-13 | 2015-03-04 | 天地科技股份有限公司 | Anti-skidding mechanism and anti-skidding system of planing and transporting machine for fully mechanized coal mining face |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389601A (en) * | 2014-11-13 | 2015-03-04 | 天地科技股份有限公司 | Anti-skidding mechanism and anti-skidding system of planing and transporting machine for fully mechanized coal mining face |
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