CN2731108Y - Switch device for tunnel wind gate of downhole of coal mine - Google Patents
Switch device for tunnel wind gate of downhole of coal mine Download PDFInfo
- Publication number
- CN2731108Y CN2731108Y CN 200420070698 CN200420070698U CN2731108Y CN 2731108 Y CN2731108 Y CN 2731108Y CN 200420070698 CN200420070698 CN 200420070698 CN 200420070698 U CN200420070698 U CN 200420070698U CN 2731108 Y CN2731108 Y CN 2731108Y
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- way valve
- control
- luck
- air door
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Abstract
The utility model provides a switch device for tunnel wind gate of down-hole of coal mine which relates to an accessory equipment for tunnel wind gate of down-hole of coal mine, which is easy in operating, safe and reliable. The switch device for tunnel wind gate of down-hole of coal mine comprises cylinders (21), and the essential structure is that a guide rod (26) is connected between a rear supporting base (20) and a front supporting base (27), the cylinders (21) is arranged on the rear supporting base (20) and a sliding support (23) of the guide rod (26), a length-adjustable connecting rod (25) is arranged on the pin shaft (22) of the sliding support (23), and the cylinder (21) is controlled by a pneumatic device (36).
Description
Technical field:
The utility model relates to the fixture of colliery underworkings air door.
Background technology:
Throttle setting on the underworkings of colliery is to be connected between two air doors by wire rope at present mostly, uses the bolt-type closedown mode on two air doors.When people's process throttle setting, the people is able to the above power of 90kg and opens, closes air door, and therefore, operation is very required great effort; In addition, get loose in case there be one air door to close bad or arbitrary place wire rope, will cause another sect locked, the generation personnel are stranded, cause the generation of security incident.
The utility model content:
The utility model is exactly at the problems referred to above, and the switching device of a kind of processing ease, safe and reliable colliery underworkings air door is provided.
The utility model adopts following technical scheme: the utility model comprises cylinder, its structural feature be rear support with preceding bearing between link to each other with guide rod, cylinder is arranged on the sliding support of rear support, guide rod, and the bearing pin of sliding support is provided with length-adjustable connecting rod; Cylinder is controlled by pneumatic means.
The beneficial effects of the utility model:
Because link to each other with guide rod between rear support of the present utility model and the preceding bearing, cylinder is arranged on the sliding support of rear support, guide rod, the bearing pin of sliding support is provided with length-adjustable connecting rod; Cylinder is controlled by pneumatic means, just can utilize cylinder to be used as power, and makes pull bar drive valve motion, reaches the action of closing the door or opening the door, and therefore just avoids hand labor, and the generation of minimizing accident.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the A partial enlarged drawing of Fig. 1;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the structural representation of the present utility model with double link;
Fig. 6 is the utility model user mode schematic diagram of single connecting rod;
Fig. 7 is the utility model user mode schematic diagram of double link;
Fig. 8 is the pneumatic means structure principle chart.
The specific embodiment:
The utility model comprises cylinder 21, links to each other with guide rod 26 between rear support 20 and the preceding bearing 27, and cylinder 21 is arranged on the sliding support 23 of rear support 20, guide rod 26, and the bearing pin 22 of sliding support 23 is provided with length-adjustable connecting rod 25; Cylinder 21 is controlled by pneumatic means 36.
Connecting rod 25 can adopt following structure, and connecting rod 25 is arranged in the guide pin bushing 24 with stopper slot 30, and the alignment pin 29 on the connecting rod 25 is arranged in the stopper slot 30, and an end of connecting rod 25 is with linking to each other with spring 32 between the side alignment pin 31 of guide pin bushing 24.Stand in 35 pairs of earth points of air door as the people, air door 35 is in when closing in the closed procedure, in case air door 35 contacts with the people, under the situation of cylinder 21 retractions, the spring 32 in the guide pin bushing 24 will work, and air door 35 stop motions have been played reliable protection to personal safety.
Connecting rod 25 of the present utility model can be one.The utility model device can be arranged on by anchor pole 33 in the side wall body 34 in tunnel, drives the switch of air door 35 with connecting rod 25.
Connecting rod 25 of the present utility model also can be two.The utility model device can be arranged on by anchor pole 33 on the ceiling in tunnel, and connecting rod 25 links to each other respectively with two fan doors of air door 35 respectively, drives the switch of air door 35 with connecting rod 25.
Pneumatic means 36 of the present utility model can adopt following structure:
Shut off valve 14, three linked piece 13 (voltage stabilizing, filtration, oil syringe; Its model is AC2000) continuous with manual two position three-way valve 1, the manual two position three-way valve 1 of two position two-way valve 4, two road air doors 35, the two position two-way valve 4` of air door 35 respectively; The two control of two lucks of the parallel connection of one air door 35 two position three-way valve 2, the two control of luck two position three-way valve 3 is respectively with two position two-way valve 4, link to each other by the side of two-position five-way valve 8 with cylinder 21, manual two position three-way valve 1 is the two control of the luck two position three-way valve 2` of the parallel connection of same two road air doors 35 respectively, the two control of luck two position three-way valve 3` links to each other, link to each other by the opposite side of two-position five-way valve 8 with cylinder 21, two-position five-way valve 8 is respectively with choke valve 7, the two control of luck two position three-way valve 2, the two control of luck two position three-way valve 3, the two position three-way valve 9` of two road air doors 35 links to each other, and one way valve 6 is respectively with two position two-way valve 4, two position three-way valve 9, accumulator 5 links to each other; The two control of two lucks of the parallel connection of two road air doors 35 two position three-way valve 2`, the two control of luck two position three-way valve 3` is respectively with two position two-way valve 4`, link to each other with a side of cylinder 21 by two-position five-way valve 8`, manually two position three-way valve 1` is respectively with the two two position three-way valves 2 of controlling of luck of the parallel connection of air door 35, the two control of luck two position three-way valve 3 links to each other, link to each other with cylinder 21 opposite sides by two-position five-way valve 8`, two-position five-way valve 8` is respectively with choke valve 7`, the two control of luck two position three-way valve 2`, the two control of luck two position three-way valve 3`, the two position three-way valve 9 of one air door 35 links to each other, and one way valve 6` is respectively with two position two-way valve 4`, two position three-way valve 9`, accumulator 5` links to each other.
Pneumatic means 36 of the present utility model makes twice air door 35 realize interlocking fully, and when one air door 35 opened, the two position three-way valve of another road air door 35 was locked, carries out cylinder 21 and is in complete retracted state, thereby realize reliable locking.
The control of air door 35 opening and closing quantity-adjustables makes air door 35 switches very steady; With regard to the motion of cylinder 21 itself, also taked the variable motion mode, when cylinder 21 moved to two ends, the adjustable trimmer valve by in the cylinder 21 carried out retarded motion automatically, has realized no impulse interference wave switch air door 35.
In extraordinary circumstances: just after the people has passed through the second road air door 35, do not close this road air door 35, the late comer can be by the distant place valve that resets, its that road air door 35 away from self is closed, to air door 35 releases nearby, at the air door of opening nearby 35, so just can pass through reliably then.
This control system adopts complete servo wind path air-valve control, all locked loops are not pressed the form that discharges the back locking for having, and under the decompression situation, the servo air-valve of gas control is under the effect of spring force in case wind path leaks out, automatically be in the lock state, twice air door 35 does not have the possibility of opening simultaneously.
Below in conjunction with a description of drawings course of action of the present utility model:
Suppose when the people passes through from left to right:
First step: open left side air door 35
Press the two control of luck two position three-way valve 2 handles, the spool of the two control of luck two position three-way valve 2 by upper change into the next, wind path will be by wind regime through two position two-way valve 4, the two control of luck two position three-way valve 2 upper ports, the two control of luck two position three-way valve 3 lower ports, pressure wind is sent into the control chamber of terminal two-position five-way valve 8, two-position five-way valve 8 cores are moved down, this moment, two-position five-way valve 8 commutated chamber, the front and back inlet and outlet of its cylinder 21, make back cavity cut-in pressure wind, ante-chamber has been finished air door 35 opening processes through the commutation mouth emptying of two-position five-way valve 8.At the same time, because the ante-chamber emptying of cylinder 21, one way valve 6` is in non-damping direction, it is with the air pressure abrupt release, make under the effect of spring force, closed the source of the pressure wind of luck two control two position three-way valve 2` and the two control of luck two position three-way valve 3`, make the luck two control two position three-way valve 2` and the two control of the luck two position three-way valve 3` operation of its opposite side invalid, also have one group of two position three-way valve 9` at this, its controlled air port is also with decompression, under the effect of spring force, spool will move down, with its cylinder 21 and the chamber communicate with atmosphere, thereby realize dual blocking function more reliably, at this moment current personnel enter in the air door 35 of left side.
Second step: close left side air door 35
Current personnel press left side air door 35 with the two control of luck two position three-way valve 3 handles, the spool of the two control of luck two position three-way valve 3 by upper change into the next, the spool of the two position three-way valve 2 of the two control of luck at this moment is because last operation also is in the next, wind path will be by wind regime through two position two-way valve 4, the two control of luck two position three-way valve 2 upper ports, the two control of luck two position three-way valve 3 upper ports, the pressure wind closed in itself, the control chamber of terminal two-position five-way valve 8 can not get pressure, thereby spool is moved up, this moment, two-position five-way valve 8 commutated chamber, the front and back inlet and outlet of its cylinder 21, make ante-chamber cut-in pressure wind, back cavity has been finished air door 35 and has been closed closed procedure through the commutation mouth emptying of two-position five-way valve 8.At the same time, because the ante-chamber of cylinder 21 has pressure, one way valve 6` is in the damping direction, it slowly sends into two position two-way valve 4` with air pressure through one way valve 6` and time-delay accumulator 5`, make the two position two-way valve 4` release of slowly pressurizeing, thereby finished the process of closing the left side first road air door 35 because of obtaining pressing unlocking, simultaneously again for opening down the preparation that one air door 35 has been made abundant necessity.
Third step: open right side air door 35
Opposite side air door 35 wind paths and its be how much symmetries fully, and principle is identical with first step.
The 4th step: close right side air door 35
Opposite side air door 35 wind paths and its be how much symmetries fully, and principle is identical with second step.
Illustrate: when having personnel to pass through once more, the handle of Drawing switch air door 35 control valves successively, operating principle is the same.
Claims (5)
1. the switching device of colliery underworkings air door, comprise cylinder (21), it is characterized in that linking to each other with guide rod (26) between rear support (20) and the preceding bearing (27), cylinder (21) is arranged on the sliding support (23) of rear support (20), guide rod (26), and the bearing pin (22) of sliding support (23) is provided with length-adjustable connecting rod (25); Cylinder (21) is controlled by pneumatic means (36).
2. the switching device of colliery according to claim 1 underworkings air door, it is characterized in that connecting rod (25) is arranged in the have stopper slot guide pin bushing (24) of (30), alignment pin (29) on the connecting rod (25) is arranged in the stopper slot (30), links to each other with spring (32) between the side alignment pin (31) of the same guide pin bushing of an end (24) of connecting rod (25).
3. the switching device of colliery according to claim 1 underworkings air door is characterized in that connecting rod (25) is one.
4. the switching device of colliery according to claim 1 underworkings air door is characterized in that connecting rod (25) is two.
5. the switching device of colliery according to claim 1 underworkings air door, it is characterized in that pneumatic means (36) adopts shut off valve (14), three linked piece (13) respectively with manual two position three-way valve (1), the two position two-way valve (4) of air door (35), the manual two position three-way valve (1`) of two road air doors (35), two position two-way valve (4`) link to each other; The two control of two lucks of the parallel connection of one air door (35) two position three-way valve (2), the two control of luck two position three-way valve (3) same respectively two position two-way valves (4), side by the same cylinder of two-position five-way valve (8) (21) links to each other, manual two position three-way valve (1) is the two control of the luck two position three-way valves (2`) of the parallel connection of same two road air doors (35) respectively, luck two control two position three-way valve (3`) links to each other, opposite side by the same cylinder of two-position five-way valve (8) (21) links to each other, the same respectively choke valve of two-position five-way valve (8) (7), the two control of luck two position three-way valve (2), the two control of luck two position three-way valve (3), the two position three-way valve (9`) of two road air doors (35) links to each other, the same respectively two position two-way valve of one way valve (6) (4), two position three-way valve (9), accumulator (5) links to each other; The two control of two lucks of the parallel connection of two road air doors (35) two position three-way valve (2`), the two control of luck two position three-way valve (3`) same respectively two position two-way valve (4`), side by the same cylinder of two-position five-way valve (8`) (21) links to each other, manually two position three-way valve (1`) is respectively with the two two position three-way valves (2) of controlling of luck of the parallel connection of air door (35), luck two control two position three-way valve (3) links to each other, link to each other by the same cylinder of two-position five-way valve (8`) (21) opposite side, the same respectively choke valve of two-position five-way valve (8`) (7`), the two control of luck two position three-way valve (2`), the two control of luck two position three-way valve (3`), the two position three-way valve (9) of one air door (35) links to each other, the same respectively two position two-way valve of one way valve (6`) (4`), two position three-way valve (9`), accumulator (5`) links to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420070698 CN2731108Y (en) | 2004-09-20 | 2004-09-20 | Switch device for tunnel wind gate of downhole of coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420070698 CN2731108Y (en) | 2004-09-20 | 2004-09-20 | Switch device for tunnel wind gate of downhole of coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2731108Y true CN2731108Y (en) | 2005-10-05 |
Family
ID=35051445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420070698 Expired - Fee Related CN2731108Y (en) | 2004-09-20 | 2004-09-20 | Switch device for tunnel wind gate of downhole of coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2731108Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486076A (en) * | 2019-08-25 | 2019-11-22 | 滁州方大矿业发展有限公司 | A kind of coal mine air door automatic blocking control interstage valve |
| CN111425242A (en) * | 2020-05-19 | 2020-07-17 | 杜军亭 | Prevent abrupt reverse air door pnematic interlocking closing device |
-
2004
- 2004-09-20 CN CN 200420070698 patent/CN2731108Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486076A (en) * | 2019-08-25 | 2019-11-22 | 滁州方大矿业发展有限公司 | A kind of coal mine air door automatic blocking control interstage valve |
| CN111425242A (en) * | 2020-05-19 | 2020-07-17 | 杜军亭 | Prevent abrupt reverse air door pnematic interlocking closing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |