CN202300462U - Quick-resetting and locking standby explosion door for coal mine ventilation shaft - Google Patents
Quick-resetting and locking standby explosion door for coal mine ventilation shaft Download PDFInfo
- Publication number
- CN202300462U CN202300462U CN2011203790742U CN201120379074U CN202300462U CN 202300462 U CN202300462 U CN 202300462U CN 2011203790742 U CN2011203790742 U CN 2011203790742U CN 201120379074 U CN201120379074 U CN 201120379074U CN 202300462 U CN202300462 U CN 202300462U
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- China
- Prior art keywords
- proof door
- explosion proof
- subsequent use
- coal mine
- shaft
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Abstract
The utility model provides a quick-resetting and locking standby explosion door for a coal mine ventilation shaft, which is a set of independent standby explosion door for the coal mine ventilation shaft that is added without changing the existing explosion door structure and function of the coal mine ventilation shaft, and includes a square wall, a standby explosion door, a base plate, a traveling device, track-mounted bracket, a sealing gasket, a locking device and an awning. When the explosion door is damaged by the explosion air current, the standby explosion door and the base plate are driven to quickly and transversely move to the position above the ventilation shaft opening; the ventilation shaft opening is closely sealed through the square wall and the sealing gasket fixed below the base plate device; and in case of the inverted ventilation of the ventilation shaft, the explosion door is tightly locked through the locking device between the standby explosion door and the base plate device. The utility model has the effect and the benefits that the quick-resetting and locking standby explosion door can isolate the underground air current and the air above the ground in case that the existing explosion door is damaged, so as to ensure the normal operation of the ventilating system of the coal mine ventilation shaft; and in case of the inverted ventilation of the ventilation shaft, the standby explosion door is tightly locked by the locking device, so as to prevent air current short circuit.
Description
Technical field
The utility model belongs to the safety of coal mines technical field, relates to have the subsequent use explosion proof door of coal mine air-shaft that resets fast with the snap close function.
Background technology
The coal mine air-shaft explosion proof door is mounted in the special seal well lid on the air draft well head that ventilation fan is housed; Its effect is when normal ventilation of coal mine air-shaft and inverted ventilation; Barrier wells downstream and surface air prevent distinguished and admirable short circuit, and assurance coal mine air-shaft ventilation system is normally moved.When in a single day gas or dust explosion accident took place in the down-hole, explosion proof door was opened by the effect of explosion wave, thereby air blast directly is discharged into surface air, plays the release effect, prevented that ventilation fan from causing damage because of air blast impacts.
[0003]Existing coal mine air-shaft explosion proof door mainly is the cap covering type explosion proof door; When coal dust, the gas explosion of big power takes place in the down-hole; This explosion proof door is dashed from well head or gross distortion owing to receive gas shock, can't close distinguished and admirable short circuit when causing inverted ventilation after explosion proof door is opened; The toxic gas that well shooting produces is discharged difficulty, the enforcement of influence rescue.A kind of to have a subsequent use explosion proof door of coal mine air-shaft that resets fast with the snap close function extremely urgent so develop.
Summary of the invention
In sum, in order to overcome the deficiency of prior art problem, the utility model provides a kind of subsequent use explosion proof door of coal mine air-shaft that resets fast with the snap close function that has; It is on the basis that does not change the existing explosion proof door 26S Proteasome Structure and Function of coal mine air-shaft; Increase by one and overlap the independently subsequent use explosion proof door of coal mine air-shaft system, the coal dust, gas explosion of big power takes place when the down-hole after, if the existing explosion proof door of coal mine air-shaft suffers to destroy in the time of can not cutting out; With subsequent use explosion proof door fast moving to ventilating shaft mouth top; The ventilating shaft flap is tight, guaranteed that the coal mine air-shaft ventilation system normally moves, solve the existing explosion proof door of coal mine air-shaft and after blast, can't close; Distinguished and admirable short circuit when causing inverted ventilation, the toxic gas that well shooting produces is discharged the shortcoming of difficulty.
For solving the problems of the technologies described above, the technical scheme of the utility model is achieved in that
A kind of have a subsequent use explosion proof door of coal mine air-shaft that resets fast with the snap close function, and wherein: comprise support, guide rail, positive transport wheel, driven road wheel, motor, chassis, subsequent use explosion proof door and locker, support is fixed on the ground through column; Be provided with guide rail in the support, guide rail is provided with positive transport wheel and driven road wheel, and positive transport wheel is connected with the output shaft of motor through reductor; Motor is fixed on the chassis; Driven road wheel is connected with the chassis, and the chassis is provided with rotating shaft, and rotating shaft is provided with subsequent use explosion proof door; Subsequent use explosion proof door is provided with locker; The side's of being provided with wall around the existing explosion proof door, square wall is corresponding with the chassis, is provided with sealing mat between square wall and the chassis.
Further, described subsequent use explosion proof door is that two fans are split explosion proof door, is provided with two cover lockers on every fan explosion proof door, and two cover lockers are separately positioned on the two ends of explosion proof door.
Further, described locker comprises snap close seat, push rod and snap close motor, and the snap close seat is arranged on the subsequent use explosion proof door, and the snap close seat is corresponding with push rod, and push rod is arranged on the output shaft of snap close motor.
Further, a side of described subsequent use explosion proof door is provided with balancing weight.
Further, described column is provided with awning.
Further, described support two ends are provided with baffle plate, and baffle plate is provided with travel switch.
The beneficial effect of the utility model is:
1, the utility model is on the basis that does not change the existing explosion proof door 26S Proteasome Structure and Function of coal mine air-shaft; Increase by one and overlap the independently subsequent use explosion proof door of coal mine air-shaft system, the coal dust, gas explosion of big power takes place when the down-hole after, if the existing explosion proof door of coal mine air-shaft suffers to destroy in the time of can not cutting out; With subsequent use explosion proof door fast moving to ventilating shaft mouth top; The ventilating shaft flap is tight, guaranteed that the coal mine air-shaft ventilation system normally moves, solve the existing explosion proof door of coal mine air-shaft and after blast, can't close; Distinguished and admirable short circuit when causing inverted ventilation, the toxic gas that well shooting produces is discharged the shortcoming of difficulty.
2, the utility model has been realized being destroyed under the situation at existing explosion proof door, and subsequent use explosion proof door can move quickly into ventilating shaft mouth top and cover completely, and barrier wells downstream and surface air have guaranteed that the coal mine air-shaft ventilation system normally moves; During the ventilating shaft inverted ventilation, utilize locker that subsequent use explosion proof door is locked, prevented distinguished and admirable short circuit.
3, the utility model is simple in structure, does not influence the operate as normal of the existing explosion proof door of coal mine air-shaft, and has and reset fast and the snap close function, and is simple to operate, on-the-spot easy for installation, is adapted at transforming on the existing coal mine air-shaft explosion proof door basis.
Description of drawings:
Fig. 1 is the structural representation of the utility model;
Fig. 2 looks sketch map for the left side of the utility model Fig. 1;
Fig. 3 is the schematic top plan view of the utility model Fig. 1;
Fig. 4 is the A portion enlarged diagram of the utility model Fig. 2;
Fig. 5 is the B-B cross-sectional schematic of the utility model Fig. 3;
Fig. 6 is the C portion enlarged diagram of the utility model Fig. 3.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further to specify.
Like Fig. 1,2,3,4,5, shown in 6, a kind of have a subsequent use explosion proof door of coal mine air-shaft that resets fast with the snap close function, comprises support 5, guide rail 16, positive transport wheel 7, driven road wheel 10, motor 14, chassis 17, subsequent use explosion proof door 8 and locker; Support 5 is fixed on the ground 11 through column 2, and support 5 two ends are provided with baffle plate 3, and baffle plate 3 is provided with travel switch 4; Column 2 is provided with awning 6, is provided with guide rail 16 in the support 5, and guide rail 16 is provided with positive transport wheel 7 and driven road wheel 10; Positive transport wheel 7 is connected with the output shaft of motor 14 through reductor 15, and motor 14 is fixed on the chassis 17, and driven road wheel 10 is connected with chassis 17; Chassis 17 is provided with rotating shaft 19, and rotating shaft 19 is provided with subsequent use explosion proof door 8, and a side of subsequent use explosion proof door 8 is provided with balancing weight 13; Subsequent use explosion proof door 8 is that two fans are split explosion proof door, is provided with two cover lockers on every fan explosion proof door, and two cover lockers are separately positioned on the two ends of explosion proof door; Locker comprises snap close seat 9, push rod 20 and snap close motor 21; Snap close seat 9 is arranged on the subsequent use explosion proof door 8, and snap close seat 9 is corresponding with push rod 20, and push rod 20 is arranged on the output shaft of snap close motor 21.The side's of being provided with wall 1 around the existing explosion proof door 12, square wall 1 is corresponding with chassis 17, is provided with sealing mat 18 between square wall 1 and the chassis 17.
During use, when do not blast in the down-hole, subsequent use explosion proof door 8 is in the right positions of ventilating shaft mouth top; After the coal dust, gas explosion of big power takes place when the down-hole; Existing explosion proof door 12 suffers to destroy in the time of can not cutting out; Starter motor 14 after reductor 15 decelerations, drives positive transport wheel 7 and on guide rail 16, rotates; Thereby drive chassis 17 and subsequent use explosion proof door 8 fast moving to ventilating shaft mouth top; This moment, chassis 17, subsequent use explosion proof door 8 stopped to move baffle plate 3 stops under, travel switch 4 actions and to control motor 14 out of service, and chassis 17, subsequent use explosion proof door 8, sealing mat 18 are tight with the ventilating shaft flap with square wall 1; When secondary or explosion time repeatedly take place; High-pressure gas wave impacts on subsequent use explosion proof door 8, subsequent use explosion proof door 8 is opened voluntarily, when it opens to 90 °; Balancing weight 13 contacts with square wall 1 outer wall and produces reaction force, and subsequent use explosion proof door 8 can cut out after the ventilating shaft pressure release automatically; During the ventilating shaft inverted ventilation, push rod 20 can stretch out under snap close motor 21 drives and insert in the hole of snap close seat 9, with subsequent use explosion proof door 8 lockings.
Be noted that; The above embodiment is to the explanation of the utility model technical scheme and unrestricted; Other modification that is equal to replacement or makes of affiliated technical field those of ordinary skill according to prior art; As long as do not exceed the thinking and the scope of the utility model technical scheme, all should be included within the desired interest field of the utility model.
Claims (6)
1. one kind has the subsequent use explosion proof door of coal mine air-shaft that resets fast with the snap close function; It is characterized in that: comprise support (5), guide rail (16), positive transport wheel (7), driven road wheel (10), motor (14), chassis (17), subsequent use explosion proof door (8) and locker; Support (5) is fixed on the ground (11) through column (2); Be provided with guide rail (16) in the support (5), guide rail (16) is provided with positive transport wheel (7) and driven road wheel (10), and positive transport wheel (7) is connected with the output shaft of motor (14) through reductor (15); Motor (14) is fixed on the chassis (17); Driven road wheel (10) is connected with chassis (17), and chassis (17) are provided with rotating shaft (19), and rotating shaft (19) is provided with subsequent use explosion proof door (8); Subsequent use explosion proof door (8) is provided with locker; Existing explosion proof door (12) is the side's of being provided with wall (1) all around, and square wall (1) is corresponding with chassis (17), is provided with sealing mat (18) between square wall (1) and chassis (17).
2. according to claim 1 have a subsequent use explosion proof door of coal mine air-shaft that resets fast with the snap close function; It is characterized in that: described subsequent use explosion proof door (8) is that two fans are split explosion proof door; Be provided with two cover lockers on every fan explosion proof door, two cover lockers are separately positioned on the two ends of explosion proof door.
3. according to claim 1 have a subsequent use explosion proof door of coal mine air-shaft that resets fast with the snap close function; It is characterized in that: described locker comprises snap close seat (9), push rod (20) and snap close motor (21); Snap close seat (9) is arranged on the subsequent use explosion proof door (8); Snap close seat (9) is corresponding with push rod (20), and push rod (20) is arranged on the output shaft of snap close motor (21).
4. according to claim 1 have a subsequent use explosion proof door of coal mine air-shaft that resets fast with the snap close function, and it is characterized in that: a side of described subsequent use explosion proof door (8) is provided with balancing weight (13).
5. according to claim 1 have a subsequent use explosion proof door of coal mine air-shaft that resets fast with the snap close function, and it is characterized in that: described column (2) is provided with awning (6).
6. according to claim 1 have a subsequent use explosion proof door of coal mine air-shaft that resets fast with the snap close function, and it is characterized in that: described support (5) two ends are provided with baffle plate (3), and baffle plate (3) is provided with travel switch (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203790742U CN202300462U (en) | 2011-10-09 | 2011-10-09 | Quick-resetting and locking standby explosion door for coal mine ventilation shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203790742U CN202300462U (en) | 2011-10-09 | 2011-10-09 | Quick-resetting and locking standby explosion door for coal mine ventilation shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202300462U true CN202300462U (en) | 2012-07-04 |
Family
ID=46369384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203790742U Expired - Fee Related CN202300462U (en) | 2011-10-09 | 2011-10-09 | Quick-resetting and locking standby explosion door for coal mine ventilation shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202300462U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533306A (en) * | 2018-03-23 | 2018-09-14 | 山东省田庄煤矿有限公司 | A kind of explosion-proof cover locking device of vertical ventilating shaft |
| CN109723486A (en) * | 2019-01-09 | 2019-05-07 | 河南理工大学 | A kind of explosion-proof door of coal miine vertical shaft with auto-reset function |
| CN113725969A (en) * | 2021-08-30 | 2021-11-30 | 南京双京电博特种机器人产业研究院有限公司 | Charging safety room for underground coal mine belt inspection robot and wireless charging method |
-
2011
- 2011-10-09 CN CN2011203790742U patent/CN202300462U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533306A (en) * | 2018-03-23 | 2018-09-14 | 山东省田庄煤矿有限公司 | A kind of explosion-proof cover locking device of vertical ventilating shaft |
| CN109723486A (en) * | 2019-01-09 | 2019-05-07 | 河南理工大学 | A kind of explosion-proof door of coal miine vertical shaft with auto-reset function |
| CN113725969A (en) * | 2021-08-30 | 2021-11-30 | 南京双京电博特种机器人产业研究院有限公司 | Charging safety room for underground coal mine belt inspection robot and wireless charging method |
| CN113725969B (en) * | 2021-08-30 | 2024-05-28 | 南京双京电博特种机器人产业研究院有限公司 | Charging safety house for underground coal mine belt inspection robot and wireless charging method |
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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: 20120704 Termination date: 20131009 |