CN202731969U - Air door double shaft interlocking apparatus for coal mine underground tunnel - Google Patents
Air door double shaft interlocking apparatus for coal mine underground tunnel Download PDFInfo
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- CN202731969U CN202731969U CN 201220405839 CN201220405839U CN202731969U CN 202731969 U CN202731969 U CN 202731969U CN 201220405839 CN201220405839 CN 201220405839 CN 201220405839 U CN201220405839 U CN 201220405839U CN 202731969 U CN202731969 U CN 202731969U
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- winding disc
- wire rope
- air door
- fixed pulley
- disc
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Abstract
An air door double shaft interlocking apparatus for a coal mine underground tunnel is disclosed and the air door double shaft interlocking apparatus is an air door interlocking apparatus. The interlocking device comprises a left winding disc and a right winding disc which are arranged inside a shell body, wherein a slide locking shaft is arranged between the left winding disc and the right winding disc, each of the left winding disc and the right winding disc is provided with a V-shaped gap, the V-shaped gaps are opposite to each other, two end of the slide locking shaft are respectively snapped onto the V-shaped gaps of the two winding discs, an upper end face outside the shell body is provided with a left fixed pulley and a right fixed pulley, the two fixed pulley are positioned at two ends of the upper end face of the shell body, a left steel wire rope which runs through the left fixed pulley is wound around the left winding disc, a right steel wire rope which runs through the right fixed pulley is wound around the right winding disc, two ends of a steel wire rope are respectively coiled on the left winding disc and the right winding disc, and a movable pulley and a counterweight are connected with the steel wire rope between the left winding disc and the right winding disc. The air door double shaft interlocking apparatus for a coal mine underground tunnel is advantageous in that through utilization of pure machinery, an interlocking device between air doors is realized without external force; the interlocking device is simple in structure and reliable in utilization; and underground safe production is guaranteed.
Description
Technical field
The utility model relates to a kind of air door interlock, particularly a kind of tunnel wind gate of downhole of coal mine twin shaft interlock.
Background technology
The air door of a variety of functions is installed in the coal mine down-hole tunnel, and it is a kind of ventilation equipment.Advance, between return airway and the main air entering and returning lane in each connection roadway.Should satisfy the needs that pedestrian and vehicle pass through, cut off again distinguished and admirablely, prevent Air escape branch.So requirement must realize blocking function between the air door, that is: when one air door opened, another road air door was in blocking and can not opens.At present, being installed on the blocking device between the underground air door, mostly is that easy steel cable connects, and can't guarantee requirement at all; In addition, also there are now a lot of collieries to use the mechanical latching device, but exist: dead lock be prone to the dead point and cause that air door can't be opened or one air door when opening another road air door can also open certain angle, can not cut off equally distinguished and admirablely, lost the meaning of dead lock.
The utility model content
The purpose of this utility model is will provide a kind of locking accurately and reliably, tunnel wind gate of downhole of coal mine twin shaft interlock simple in structure, easy for installation.
The purpose of this utility model is achieved in that this interlock comprises: left wire rope, left winding disc, housing, slip latch shaft, right winding disc, right wire rope, counterweight, left fixed pulley, right fixed pulley, wire rope and movable pulley; Left winding disc and right winding disc are arranged in housing, between left winding disc and right winding disc, the slip latch shaft is arranged, a v-notch is respectively arranged on left winding disc and right winding disc, and the v-notch on two winding discs is relative, and two ends of slip latch shaft are stuck on two v-notch on the winding disc; There are left fixed pulley and right fixed pulley in upper surface outside housing, two fixed pulleys are positioned at two ends of housing upper surface, left wire rope penetrates and walks around left winding disc from a left fixed pulley, right wire rope penetrates and walks around right winding disc from a right fixed pulley, wire rope two ends are coiled in respectively on left winding disc and the right winding disc, wire rope between left winding disc and right winding disc is connected with movable pulley, is connected with counterweight in the lower end of movable pulley.
Beneficial effect, owing to adopted such scheme,Slip latch shaft, lock body are that two winding discs share.Two independently winding disc connect with corresponding air door by wire rope respectively, connecting steel wire ropes is coiled in the winding disc.V-notch on two winding discs is relative, and is on the straight line with the bulb at latch shaft two ends.Balancing weight is connected with two winding discs by wire rope.Wire rope curls respectively the drum coiling.Pulley on the balancing weight is movable pulley.
The twice air door forms one group of air door, and when opening together in one group of air door, the twin shaft interlocking device can pin another road air door and can't open, and realizes the mutual locking between the twice air door that is:.Can prevent effectively like this that the twice air door from opening simultaneously or one air door when opening other one air door also can open one angle, prevent the short circuit that the down-hole is distinguished and admirable, avoid affecting the ventilation system of down-hole, for downhole safety production provides safeguard.
Advantage: this interlock need not external force, utilizes the blocking device between the pure machinery realization air door, and is simple in structure, uses reliably, for downhole safety production provides safeguard.
Description of drawings
Fig. 1 is structure chart of the present utility model.
Among the figure, 1, left wire rope; 2, left winding disc; 3, housing; 4, slip latch shaft; 5, right winding disc; 6, right wire rope; 7, counterweight; 8, left fixed pulley; 9, right fixed pulley; 10, wire rope; 11, movable pulley.
The specific embodiment
Embodiment 1: this interlock comprises: left wire rope 1, left winding disc 2, housing 3, slip latch shaft 4, right winding disc 5, right wire rope 6, counterweight 7, left fixed pulley 8, right fixed pulley 9, wire rope 10 and movable pulley 11;
Left winding disc 2 and right winding disc 5 are arranged in housing, between left winding disc 2 and right winding disc 5, slip latch shaft 4 is arranged, a v-notch is respectively arranged on left winding disc 2 and right winding disc 5, v-notch on two winding discs is relative, and two ends of slip latch shaft 4 are stuck on two v-notch on the winding disc; There are left fixed pulley 8 and right fixed pulley 9 in upper surface outside housing 3, two fixed pulleys are positioned at two ends of housing 3 upper surfaces, left wire rope 1 penetrates and walks around left winding disc 2 from a left fixed pulley 8, right wire rope 6 penetrates and walks around right winding disc 5 from a right fixed pulley 9, wire rope 10 2 ends are coiled in respectively on left winding disc 2 and the right winding disc 5, wire rope 10 between left winding disc 2 and right winding disc 5 is connected with movable pulley 11, is connected with counterweight 7 in the lower end of movable pulley 11.
In the accompanying drawing, when left wire rope 1 pulls out, that is: left air door is opened, left winding disc is done and is clockwise rotated, and simultaneously latch shaft 4 is pushed in the v-notch on the right winding disc 5, and counterweight armored rope 7 is done clockwise coiling around left winding disc simultaneously, right winding disc is locked and can't rotates, right wire rope 6 can't be pulled out, and right air door can't be opened, and can realize the air door locking.After left air door was closed, under the effect of counterweight 7, left winding disc 2 was done and is rotated counterclockwise to initial position, and namely the v-notch on the left winding disc 2 is aimed at latch shaft 4.This moment, right wire rope 6 can be pulled out, and right winding disc 5 is done and rotated counterclockwise and latch shaft 4 is pushed in the v-notch on the left winding disc 2, and locks left winding disc 2 and can't rotate, and realizes the locking of air door.Counterweight armored rope 7 is done counterclockwise coiling around right winding disc 5 simultaneously.When right air door was closed, under the effect of counterweight 7, right winding disc 5 was done and is clockwise to initial position, and namely the v-notch on the right winding disc 5 is aimed at latch shaft 4.Simultaneously, right wire rope 6 is coiled in the right winding disc 5.
Two winding discs are connected with the twice air door respectively by wire rope, and the other end of wire rope is separately fixed on the winding disc.Centre at two winding discs arranges mutual interlocking gear.Balancing weight is connected with two winding discs respectively by steel cable by movable pulley.Two winding discs link to each other with the twice air door respectively by wire rope, and the other end of wire rope is wrapped in respectively on the winding disc and is affixed with winding disc.In the middle of two winding discs mutual interlocking gear is set, the latch shaft two ends are bulb.Open a v-notch that is complementary with the latch shaft ball size on the winding disc.Counterweight is connected with movable pulley by wire rope and is connected with two winding discs and fixing.
Its operating principle is as follows: when right air door was opened, right winding disc was done and is clockwise rotated, and simultaneously latch shaft was pushed in the v-notch on the left winding disc, and was locked left winding disc and can't rotate, and can realize the air door locking.After right air door was closed, by the weight of balancing weight, right winding disc was done to rotate counterclockwise to right winding disc initial position and by limited block and is accurately located.In like manner, left air door can be done same action, realizes the locking between the air door.
Claims (1)
1. tunnel wind gate of downhole of coal mine twin shaft interlock, it is characterized in that: this interlock comprises: left wire rope, left winding disc, housing, slip latch shaft, right winding disc, right wire rope, counterweight, left fixed pulley, right fixed pulley, wire rope and movable pulley; Left winding disc and right winding disc are arranged in housing, between left winding disc and right winding disc, the slip latch shaft is arranged, a v-notch is respectively arranged on left winding disc and right winding disc, and the v-notch on two winding discs is relative, and two ends of slip latch shaft are stuck on two v-notch on the winding disc; There are left fixed pulley and right fixed pulley in upper surface outside housing, two fixed pulleys are positioned at two ends of housing upper surface, left wire rope penetrates and walks around left winding disc from a left fixed pulley, right wire rope penetrates and walks around right winding disc from a right fixed pulley, wire rope two ends are coiled in respectively on left winding disc and the right winding disc, wire rope between left winding disc and right winding disc is connected with movable pulley, is connected with counterweight in the lower end of movable pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220405839 CN202731969U (en) | 2012-08-16 | 2012-08-16 | Air door double shaft interlocking apparatus for coal mine underground tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220405839 CN202731969U (en) | 2012-08-16 | 2012-08-16 | Air door double shaft interlocking apparatus for coal mine underground tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202731969U true CN202731969U (en) | 2013-02-13 |
Family
ID=47657681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220405839 Expired - Fee Related CN202731969U (en) | 2012-08-16 | 2012-08-16 | Air door double shaft interlocking apparatus for coal mine underground tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202731969U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545344A (en) * | 2016-01-28 | 2016-05-04 | 济宁矿业集团有限公司 | Air door locking device |
| CN111520009A (en) * | 2020-04-27 | 2020-08-11 | 煤炭科学技术研究院有限公司 | Air door locking device capable of remotely unlocking in underground coal mine |
| CN112240220A (en) * | 2020-08-10 | 2021-01-19 | 国电建投内蒙古能源有限公司 | Coordinated counterweight type air door locking device |
-
2012
- 2012-08-16 CN CN 201220405839 patent/CN202731969U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545344A (en) * | 2016-01-28 | 2016-05-04 | 济宁矿业集团有限公司 | Air door locking device |
| CN111520009A (en) * | 2020-04-27 | 2020-08-11 | 煤炭科学技术研究院有限公司 | Air door locking device capable of remotely unlocking in underground coal mine |
| CN112240220A (en) * | 2020-08-10 | 2021-01-19 | 国电建投内蒙古能源有限公司 | Coordinated counterweight type air door locking device |
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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: 20130213 Termination date: 20150816 |
|
| EXPY | Termination of patent right or utility model |