CN201027544Y - Start-stop control device and locking device for coal mine down-hole air gate - Google Patents
Start-stop control device and locking device for coal mine down-hole air gate Download PDFInfo
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- CN201027544Y CN201027544Y CN 200720089648 CN200720089648U CN201027544Y CN 201027544 Y CN201027544 Y CN 201027544Y CN 200720089648 CN200720089648 CN 200720089648 CN 200720089648 U CN200720089648 U CN 200720089648U CN 201027544 Y CN201027544 Y CN 201027544Y
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- Prior art keywords
- air door
- fan
- coal mine
- fixed
- pressure cylinder
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Abstract
The utility model discloses an underground air door start-stop control apparatus and an under ground air door locking apparatus for coal mine. A pressure cylinder and a fixed pulley of the start-stop control apparatus are fixed on the lane border of the air door of the underground lane of the coal mine. One end of a tracking steel wire rope is fixed in the middle of a positive air door leaf of the air door by the fixed pulley, while the other end is fixed in the middle of an opposite air door leaf of the air door by a deviating pulley. The tracking steel wire rope contacts with the end of a piston rod of the pressure cylinder in rotating way. The positive air door leaf and/or the opposite air door leaf are provided with a reset spring to keep two door leaves in constant-close state. The pressure cylinder is connected with a pressure mechanism by a control valve. Two pressure cylinders of two start-stop control apparatus of the air door locking apparatus are communicated in crossing way by a soft pipe, thereby realizing motility and locking functions. The utility model is of simple structure, convenient use, low cost, good mobility effect, strong locking performance and generation of better social and economical effects for safety and production of coal mine.
Description
One, technical field:
The utility model relates to a kind of control device and blocking device of coal mine lower wind door, particularly relates to a kind of coal mine lower wind door opening/shutting controller and coal mine lower wind door blocking device.
Two, background technology:
As everyone knows, along with continuing to increase of the coal mining degree of depth, the raising of comprehensive mechanization degree, the mine ventilation amount is also continuing to increase, cause some areas blast excessive, depend merely on manpower and start the certain difficulty of air door existence, and unfavorable to the maintenance of air door, certain to the stable existence of mine ventilation system threat.It is to cut off ventilating air that the coal mine lower wind door mainly acts on, when personnel or vehicle by the time, for avoiding distinguished and admirable short circuit, operated by rotary motion twice air door, when one air door opened, another road air door must be closed, promptly so-called air door locking.When the down-hole is in an emergency (as fire), need to change distinguished and admirable wind direction, if when Yishanmen is only installed in a sect, when wind direction changes, air door can not be closed, and can be reversed wind and hold, so the per pass air door is installed two of malleation and back-pressures, when wind direction changed, air door still can play the distinguished and admirable effect that cuts off.Existing air door automatic control system ubiquity complex structure, price height, complicated, the higher shortcoming of cost of control are unfavorable for promotion and implementation.
Three, the content of utility model:
The purpose of this utility model: the defective that overcomes prior art, a kind of coal mine lower wind door opening/shutting controller simple in structure, easy to use, lower-cost is provided, and the coal mine lower wind door that a kind of interlock is effective, latch performance is strong blocking device is provided simultaneously.
The technical solution of the utility model: a kind of coal mine lower wind door opening/shutting controller, contain pressure cylinder, control valve, haulage cable, fixed pulley and back-moving spring, described pressure cylinder, fixed pulley is fixed on the lane on air door limit in the underworkings of colliery and helps, described haulage cable one end is fixed on the middle part of the forward air door fan of air door by fixed pulley, its other end is fixed on the middle part of the reverse throttle fan of air door by the break-in fixed pulley, described haulage cable contacts with the piston rod end rotary type of described pressure cylinder, on described forward air door fan and/or the reverse throttle fan back-moving spring is installed, make two door leafs be in normally off, described pressure cylinder is connected with pressure mechanism by control valve.
Described back-moving spring is extension spring, and the one end is fixed on the forward air door fan of air door, and its other end is fixed on the reverse throttle fan of air door.
Perhaps, described back-moving spring is a torsion spring, is installed in the rotating shaft of reverse throttle fan of the forward air door fan of air door and/or air door.
Perhaps, described back-moving spring is a stage clip, between the forward air door fan that is installed in air door is helped with the lane in described tunnel, or between the lane group in the reverse throttle fan that is installed in air door and described tunnel, or between the lane that is installed in the reverse throttle fan of the forward air door fan of air door and air door and described tunnel respectively helps.
Described pressure cylinder is a pneumatic cylinder, and it is connected with air compressor machine or gasholder by control valve.
Perhaps, described pressure cylinder is an oil hydraulic cylinder, and it is connected with oil pump or Hydraulic Station by control valve.
A kind of coal mine lower wind door blocking device that contains described coal mine lower wind door opening/shutting controller, the pressure cylinder of two described coal mine lower wind door opening/shutting controllers, fixed pulley is separately fixed at the lane on two air door limits in the underworkings of colliery and helps, wherein, haulage cable one end of a described coal mine lower wind door opening/shutting controller is fixed on the middle part of the forward air door fan of an air door by fixed pulley, the other end of this haulage cable is fixed on the middle part of the reverse throttle fan of this air door by the break-in fixed pulley, this haulage cable contacts with the piston rod end rotary type of this pressure cylinder, on this forward air door fan and/or the reverse throttle fan back-moving spring is installed; Haulage cable one end of another described coal mine lower wind door opening/shutting controller is fixed on the middle part of the forward air door fan of another air door by fixed pulley, the other end of this haulage cable is fixed on the middle part of the reverse throttle fan of this air door by the break-in fixed pulley, this haulage cable contacts with the piston rod end rotary type of this pressure cylinder, on this forward air door fan and/or the reverse throttle fan back-moving spring is installed; And, two chambers of the pressure cylinder of two described coal mine lower wind door opening/shutting controllers intersect by flexible pipe and are communicated with, one in the piston rod of two pressure cylinders is stretched out, another withdrawal, wherein, have only a described pressure cylinder to be connected with pressure mechanism by control valve.
The beneficial effects of the utility model:
1, coal mine lower wind door opening/shutting controller of the present utility model is simple in structure, it stretches the pulling haulage cable by the pressure cylinder piston rod, the forward and reverse air door fan of air door is oppositely opened, during the piston rod withdrawal, effect by back-moving spring is closed and tense wire rope the forward and reverse air door fan of air door, its critical piece is conventional products, make easily and buy, so cost is lower.
2, the utility model adopts the motion of control valve controlled pressure cylinder, and is easy and simple to handle, can open and close air door from about both direction, therefore uses very convenient.
3, coal mine lower wind door opening/shutting controller long service life of the present utility model, easy to maintenance, it is active in one's movements reliably, can protect air door not to be damaged effectively.
4, coal mine lower wind door blocking device interlock of the present utility model is effective, latch performance is strong, two chambers of two pressure cylinder intersect by flexible pipe and are communicated with, and have only a pressure cylinder to be connected with pressure mechanism by control valve, one in the piston rod of two pressure cylinders is stretched out, another withdrawal, interlock is effective, that is: an air door is opened, another air door positive closing, therefore latch performance is strong, can be good at avoiding distinguished and admirable short circuit, improves the safety in tunnel.
5, the utility model scope of application is wide, is easy to promote, for the safety in colliery with produce and all can produce good social benefit and economic benefit.
Four, description of drawings:
Fig. 1 is the schematic diagram of coal mine lower wind door blocking device;
Fig. 2 is the structural representation of coal mine lower wind door blocking device.
Five, the specific embodiment:
Embodiment one: referring to Fig. 1 and Fig. 2, among the figure, the pressure cylinder 7 of two coal mine lower wind door opening/shutting controllers, fixed pulley 2 are separately fixed at the lane on two air door limits in the colliery underworkings 1 and help, wherein, haulage cable 3 one ends of a coal mine lower wind door opening/shutting controller are fixed on the middle part of the forward air door fan 4 of an air door by fixed pulley 2, the other end of this haulage cable 3 is fixed on the middle part of the reverse throttle fan 6 of this air door by break-in fixed pulley 2, and this haulage cable 3 contacts with the piston rod end rotary type of this pressure cylinder 7; Haulage cable 3 one ends of another coal mine lower wind door opening/shutting controller are fixed on the middle part of the forward air door fan 4 of another air door by fixed pulley 2, the other end of this haulage cable 3 is fixed on the middle part of the reverse throttle fan 6 of this air door by break-in fixed pulley 2, and this haulage cable 3 contacts with the piston rod end rotary type of this pressure cylinder 7; And, two chambers of the pressure cylinder 7 of two coal mine lower wind door opening/shutting controllers intersect by flexible pipe 8,9 and are communicated with, one in the piston rod of two pressure cylinders 7 is stretched out, another withdrawal, wherein, have only a pressure cylinder 7 to be connected with pressure mechanism by control valve 10.
In the present embodiment: pressure cylinder 7 is a pneumatic cylinder, and it is connected (not drawing among the figure) by control valve with air compressor machine or gasholder.Back-moving spring is extension spring 5, and the one end is fixed on the forward air door fan 4 of air door, and its other end is fixed on the reverse throttle fan 6 of air door.
During work, control valve 10 is pushed the position that air door is opened, compressed air promotes the piston rod movement of pneumatic cylinder 7, piston rod is released and is driven haulage cable 3 motions, at this moment the forward and reverse air door fan 4 and the reverse throttle fan 6 of one air door are opened to both direction respectively, finish opening procedure (because the wind path locking of one air door, that is: the intake and exhaust connecting system of two pneumatic cylinders 7, when the piston rod air inlet of the pneumatic cylinder 7 of one air door is stretched out, the piston rod exhaust withdrawal of the pneumatic cylinder 7 of another road air door can not be released, and this road air door is in closed condition), control valve 10 is pushed the position of air door pass, compressed air promotes the piston rod movement of pneumatic cylinder 7, and piston rod drives haulage cable 3 and regains, and this road air door forms under the effect of extension spring 4 and closes (at this moment, another road air door is opened), extension spring 4 can also be strained haulage cable 3.
Embodiment two: present embodiment and embodiment one are basic identical, and something in common does not repeat, and difference is: back-moving spring is a torsion spring, is installed in the rotating shaft of reverse throttle fan of the forward air door fan of air door and/or air door.
Embodiment three: present embodiment and embodiment one are basic identical, something in common does not repeat, difference is: back-moving spring is a stage clip, between the forward air door fan that is installed in air door is helped with the lane in tunnel, between the reverse throttle fan that also can be installed in air door is helped with the lane in tunnel, between the reverse throttle fan that can also be installed in the forward air door fan of air door and air door respectively and the lane group in tunnel, definite as required.
Embodiment four: present embodiment and embodiment one or embodiment two or embodiment three are basic identical, and something in common does not repeat, and difference is: pressure cylinder is an oil hydraulic cylinder, and it is connected with oil pump or Hydraulic Station by control valve.
A plurality of embodiment can be formed in the quantity and the installation site that change the installation site of pressure cylinder, the form of structure that changes back-moving spring and change control valve, are the common excursion of the utility model, do not describe in detail one by one at this.
Claims (7)
1. coal mine lower wind door opening/shutting controller, contain pressure cylinder, control valve, haulage cable, fixed pulley and back-moving spring, it is characterized in that: described pressure cylinder, fixed pulley is fixed on the lane on air door limit in the underworkings of colliery and helps, described haulage cable one end is fixed on the middle part of the forward air door fan of air door by fixed pulley, its other end is fixed on the middle part of the reverse throttle fan of air door by the break-in fixed pulley, described haulage cable contacts with the piston rod end rotary type of described pressure cylinder, on described forward air door fan and/or the reverse throttle fan back-moving spring is installed, make two door leafs be in normally off, described pressure cylinder is connected with pressure mechanism by control valve.
2. coal mine lower wind door opening/shutting controller according to claim 1 is characterized in that: described back-moving spring is extension spring, and the one end is fixed on the forward air door fan of air door, and its other end is fixed on the reverse throttle fan of air door.
3. coal mine lower wind door opening/shutting controller according to claim 1, it is characterized in that: described back-moving spring is a torsion spring, is installed in the rotating shaft of reverse throttle fan of the forward air door fan of air door and/or air door.
4. coal mine lower wind door opening/shutting controller according to claim 1, it is characterized in that: described back-moving spring is a stage clip, between the forward air door fan that is installed in air door is helped with the lane in described tunnel, or between the lane group in the reverse throttle fan that is installed in air door and described tunnel, or between the lane that is installed in the reverse throttle fan of the forward air door fan of air door and air door and described tunnel respectively helps.
5. according to the arbitrary described coal mine lower wind door opening/shutting controller of claim 1～4, it is characterized in that: described pressure cylinder is a pneumatic cylinder, and it is connected with air compressor machine or gasholder by control valve.
6. according to the arbitrary described coal mine lower wind door opening/shutting controller of claim 1～4, it is characterized in that: described pressure cylinder is an oil hydraulic cylinder, and it is connected with oil pump or Hydraulic Station by control valve.
7. coal mine lower wind door blocking device that contains the described coal mine lower wind door of claim 1 opening/shutting controller, it is characterized in that: the pressure cylinder of two described coal mine lower wind door opening/shutting controllers, fixed pulley is separately fixed at the lane on two air door limits in the underworkings of colliery and helps, wherein, haulage cable one end of a described coal mine lower wind door opening/shutting controller is fixed on the middle part of the forward air door fan of an air door by fixed pulley, the other end of this haulage cable is fixed on the middle part of the reverse throttle fan of this air door by the break-in fixed pulley, this haulage cable contacts with the piston rod end rotary type of this pressure cylinder, on this forward air door fan and/or the reverse throttle fan back-moving spring is installed; Haulage cable one end of another described coal mine lower wind door opening/shutting controller is fixed on the middle part of the forward air door fan of another air door by fixed pulley, the other end of this haulage cable is fixed on the middle part of the reverse throttle fan of this air door by the break-in fixed pulley, this haulage cable contacts with the piston rod end rotary type of this pressure cylinder, on this forward air door fan and/or the reverse throttle fan back-moving spring is installed; And, two chambers of the pressure cylinder of two described coal mine lower wind door opening/shutting controllers intersect by flexible pipe and are communicated with, one in the piston rod of two pressure cylinders is stretched out, another withdrawal, wherein, have only a described pressure cylinder to be connected with pressure mechanism by control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720089648 CN201027544Y (en) | 2007-03-08 | 2007-03-08 | Start-stop control device and locking device for coal mine down-hole air gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720089648 CN201027544Y (en) | 2007-03-08 | 2007-03-08 | Start-stop control device and locking device for coal mine down-hole air gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201027544Y true CN201027544Y (en) | 2008-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720089648 Expired - Fee Related CN201027544Y (en) | 2007-03-08 | 2007-03-08 | Start-stop control device and locking device for coal mine down-hole air gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201027544Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211667A (en) * | 2020-11-10 | 2021-01-12 | 西山煤电(集团)有限责任公司 | Be applied to gas comprehensive receiver of geomantic omen linkage construction |
| CN112261358A (en) * | 2020-09-16 | 2021-01-22 | 深圳市安联安全工程技术有限公司 | Safety production monitoring device |
| CN114263489A (en) * | 2021-12-21 | 2022-04-01 | 山东东山新驿煤矿有限公司 | Small automatic air door for coal mine, control method and air door system |
-
2007
- 2007-03-08 CN CN 200720089648 patent/CN201027544Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112261358A (en) * | 2020-09-16 | 2021-01-22 | 深圳市安联安全工程技术有限公司 | Safety production monitoring device |
| CN112211667A (en) * | 2020-11-10 | 2021-01-12 | 西山煤电(集团)有限责任公司 | Be applied to gas comprehensive receiver of geomantic omen linkage construction |
| CN114263489A (en) * | 2021-12-21 | 2022-04-01 | 山东东山新驿煤矿有限公司 | Small automatic air door for coal mine, control method and air door system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080227 Termination date: 20100308 |