CN203847163U - Transmission locking device of downhole refuge-chamber protection airtight door - Google Patents
Transmission locking device of downhole refuge-chamber protection airtight door Download PDFInfo
- Publication number
- CN203847163U CN203847163U CN201420259931.9U CN201420259931U CN203847163U CN 203847163 U CN203847163 U CN 203847163U CN 201420259931 U CN201420259931 U CN 201420259931U CN 203847163 U CN203847163 U CN 203847163U
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- gear
- door
- sealed door
- gear drive
- shaft
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Abstract
The utility model provides a transmission locking device of a downhole refuge-chamber protection airtight door. The transmission locking device comprises an airtight door, a first hand wheel and a second hand wheel. The airtight door is provided with a locking mechanism locking the airtight door to a door frame, and the locking mechanism comprises a gearbox and a plane connecting rod locking mechanism, wherein the gearbox is arranged on the indoor side of the airtight door, and the plane connecting rod locking mechanism locks the airtight door on the door frame. The first hand wheel is connected with the second hand wheel through a spindle, the spindle is arranged in the gearbox, a first transmission shaft, a second transmission shaft and a fixed plate are arranged in the gearbox, the spindle is connected with the first transmission shaft through a first gear transmission mechanism, the first transmission shaft is connected with the second transmission shaft through a second gear transmission mechanism, and a driven gear of the second gear transmission mechanism drives the plane connecting rod locking mechanism to open or close the airtight door. The transmission locking device is simple in structure and high in impact resistance and reliability; when the airtight door is impacted to deform, the problem that the airtight door cannot be opened is avoided.
Description
Technical field
The utility model relates to underground refuge chamber manufacturing technology field, relates in particular to a kind of transmission locking device of underground refuge chamber airtight blast door.
Background technology
In coal production process, there is the threat of the objective factors such as water, fire, gas, coal dust, top board in down-hole all the time, and the new Dangerous and Harmful Factors such as underground heat, corrosive substance, radioactive substance have also appearred in part mine.May there is high temperature, high humidity, high dust from flying, high gas density, corrosive gas in these regional environments, cause that calamity factor is many, danger classes is high, and the danger that catastrophe occurs is very large.
Country issues emergent danger avoiding system under shaft of coal mine implementation management temporary provisions according to " State Council is about the notice of further reinforcement enterprise safety operation work " (No. (2010) 23, promulgated by the State Council) spirit, formulates this regulation.Strengthen the requirement that adds of safety supervision and rescue equipment.As underground emergency danger-avoiding facility, in rescue equipment, refuge chamber is the equipment facility that emphasis is promoted, refuge chamber can be escape personnel a confined space that ensures life security is provided, as the airtight blast door of the first outpost of the tax office-refuge chamber of life support, direct relation the life security that enters staff after refuge chamber, can wait for rescue personnel to arrive, the first guarantee of safe escape mine disaster, externally can resist blast impulse, resist high temperature, completely cut off toxic and harmful, play vital effect for realizing rescue.
The disclosed a kind of urgent danger prevention system emergency escape of Chinese patent CN202866874N, the lower end of described handwheel is provided with the retaining mechanism that can open or close body; Described retaining mechanism comprises the driven gear that is arranged on the driving gear of handwheel bottom and is meshed with driving gear; Described driven gear is connected with the vertical connecting rod in a left side and the right vertically connecting rod of the left and right sides in door body by the auxiliary plate in two of left and right.Driving gear and driven gear are arranged on sealed door, in the time that sealed door is subject to impact force generation distortion, can impact infringement to the gear drive being fixed on a body inner surface, even cause the serious consequences such as gear dislocation is stuck, sealed door body cannot be opened.
Utility model content
In order to solve the technical problem existing in background technology, the utility model proposes a kind of transmission locking device of underground refuge chamber airtight blast door, it is simple in structure, and impact resistance is high, and reliability is strong; When sealed door is subject to the phenomenon that also there will not be sealed door body to open when impact force produces distortion.
The transmission locking device of a kind of underground refuge chamber airtight blast door the utility model proposes, comprise sealed door, be positioned at the first handwheel on the sealed door of outside and be positioned at the second handwheel on the sealed door of indoor, on sealed door, be provided for being locked at the retaining mechanism on doorframe, retaining mechanism comprises the gear-box being positioned on the sealed door of indoor and sealed door is locked to the planar linkage retaining mechanism on doorframe; The first handwheel is connected with the second handwheel by main shaft, main shaft is arranged in gear-box, gear-box forms by being fixed on casing on sealed door and the cover plate of closed box, the first handwheel is connected with one end of main shaft by the first steel bushing, the first steel bushing runs through sealed door, the second handwheel is connected with the other end of main shaft by the second steel bushing, and the second steel bushing runs through cover plate; In gear-box, be provided with the first power transmission shaft, second driving shaft and fixed head, fixed head is fixed on sealed door, first power transmission shaft one end is connected with fixed head by axle sleeve, second driving shaft one end is fixed on fixed head, and the first power transmission shaft, the second driving shaft other end are all connected with cover plate by gear fixed cover; Main shaft is connected with the first power transmission shaft by the first gear drive, the first power transmission shaft is connected with second driving shaft by the second gear drive, and the driven gear of the second gear drive drives the motion of planar linkage retaining mechanism to realize and opens or closes sealed door.
Preferably, the central axis of main shaft, the first power transmission shaft and second driving shaft is positioned on same vertical face.
Preferably, the transmission velocity ratio of the first gear drive, the second gear drive is equal, and the transmission velocity ratio of the first gear drive, the second gear drive is 1:4-8.
Preferably, the wall thickness of fixed head be sealed door thickness 0.5-1 doubly.
Transmission locking device of the present utility model, it is simple in structure, and impact resistance is high, and reliability is strong; By the first gear drive and second gear drive of little transmission velocity ratio are set, the more convenient transmission planar linkage of main wheel retaining mechanism reaches to be opened or locking and closed door; The first gear drive, the second gear drive are arranged in gear-box, in gear-box, increase one deck fixed head, the former gear train that should be fixed on door-plate inner surface is fixed on fixed head by power transmission shaft, sealed door is in the time being hit distortion like this, distortion is difficult to be delivered on fixed head, makes the first gear drive, the second gear drive stability and safety operation.
Brief description of the drawings
Fig. 1 is the structural representation of the transmission locking device of a kind of underground refuge chamber airtight blast door that the utility model proposes.
Detailed description of the invention
As shown in Figure 1, Fig. 1 is the structural representation of the transmission locking device of a kind of underground refuge chamber airtight blast door that the utility model proposes.
With reference to Fig. 1, the transmission locking device of a kind of underground refuge chamber airtight blast door the utility model proposes, comprise sealed door 1, be positioned at the first handwheel 2 on the sealed door of outside and be positioned at the second handwheel 3 on the sealed door of indoor, on sealed door 1, be provided for being locked at the retaining mechanism on doorframe, retaining mechanism comprises the gear-box 4 being positioned on the sealed door of indoor and sealed door is locked to the planar linkage retaining mechanism on doorframe; The first handwheel 2 is connected with the second handwheel 3 by main shaft 5, main shaft 5 is arranged in gear-box 4, gear-box 4 forms by being fixed on casing on sealed door and the cover plate of closed box, the first handwheel 2 is connected with one end of main shaft 5 by the first steel bushing 21, the first steel bushing 21 runs through sealed door 1, the second handwheel 3 is connected with the other end of main shaft 5 by the second steel bushing 31, and the second steel bushing 5 runs through cover plate; In gear-box 4, be provided with the first power transmission shaft 6, second driving shaft 7 and fixed head 8, the wall thickness of fixed head 8 is 0.5-1 times of sealed door 1 thickness, fixed head 8 is fixed on sealed door 1, first power transmission shaft 6 one end are connected with fixed head 8 by axle sleeve 61, second driving shaft 7 one end are fixed on fixed head, and the first power transmission shaft 6, second driving shaft 7 other ends are all connected with cover plate by gear fixed cover 62; Main shaft 5 is connected with the first power transmission shaft 6 by the first gear drive 9, the first power transmission shaft 6 is connected with second driving shaft 7 by the second gear drive 10, and the driven gear of the second gear drive 10 drives the motion of planar linkage retaining mechanism to realize and opens or closes sealed door.
In specific embodiment, the central axis of main shaft 5, the first power transmission shaft 6 and second driving shaft 7 is positioned on same vertical face, and the two ends up and down of fixed head 8 flush with the top edge of the first gear drive 9 driven gears, the upper lower limb of the second gear drive 10 driven gears respectively.Sealed door is in the time being hit distortion like this, and distortion is difficult to be delivered on fixed head 8, makes the first gear drive 9, the second gear drive 10 stability and safety operations.
The transmission velocity ratio of the first gear drive 9, the second gear drive 10 is equal, and the transmission velocity ratio of the first gear drive 9 mechanisms, the second gear drive 10 is 1:6.By the first gear drive 9 and second gear drive 10 of the little transmission velocity ratio of 1:6 are set, the more convenient transmission planar linkage of main wheel 5 retaining mechanism reaches to be opened or locking and closed door 1.
Transmission locking device of the present utility model, it is simple in structure, and impact resistance is high, and reliability is strong; By the first gear drive and second gear drive of little transmission velocity ratio are set, the more convenient transmission planar linkage of main wheel retaining mechanism reaches to be opened or locking and closed door; The first gear drive, the second gear drive are arranged in gear-box, in gear-box, increase one deck fixed head, the former gear train that should be fixed on door-plate inner surface is fixed on fixed head by power transmission shaft, sealed door is in the time being hit distortion like this, distortion is difficult to be delivered on fixed head, makes the first gear drive, the second gear drive stability and safety operation.
The above; it is only preferably detailed description of the invention of the utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; be equal to replacement or changed according to the technical solution of the utility model and utility model design thereof, within all should being encompassed in protection domain of the present utility model.
Claims (4)
1. the transmission locking device of a underground refuge chamber airtight blast door, it is characterized in that, comprise sealed door (1), be positioned at the first handwheel (2) on the sealed door of outside and be positioned at the second handwheel (3) on the sealed door of indoor, sealed door is provided for being locked at the retaining mechanism on doorframe on (1), and retaining mechanism comprises the gear-box (4) being positioned on the sealed door of indoor and sealed door is locked to the planar linkage retaining mechanism on doorframe; The first handwheel (2) is connected with the second handwheel (3) by main shaft (5), main shaft (5) is arranged in gear-box (4), gear-box (4) forms by being fixed on casing on sealed door and the cover plate of closed box, the first handwheel (2) is connected with one end of main shaft (4) by the first steel bushing (21), the first steel bushing (21) runs through sealed door (1), the second handwheel (3) is connected with the other end of main shaft (4) by the second steel bushing (31), and the second steel bushing (31) runs through cover plate; In gear-box (4), be provided with the first power transmission shaft (6), second driving shaft (7) and fixed head (8), fixed head (8) is fixed on sealed door (1), the first power transmission shaft (6) one end is connected with fixed head (8) by axle sleeve (61), it is upper that second driving shaft (7) one end is fixed on fixed head (8), and the first power transmission shaft (7), second driving shaft (8) other end are all connected with cover plate by gear fixed cover (62); Main shaft (5) is connected with the first power transmission shaft (6) by the first gear drive (9), the first power transmission shaft (6) is connected with second driving shaft (7) by the second gear drive (10), and the driven gear of the second gear drive (10) drives the motion of planar linkage retaining mechanism to realize and opens or closes sealed door (1).
2. the transmission locking device of underground refuge chamber airtight blast door according to claim 1, is characterized in that, the central axis of main shaft (5), the first power transmission shaft (6) and second driving shaft (7) is positioned on same vertical face.
3. the transmission locking device of underground refuge chamber airtight blast door according to claim 1, it is characterized in that, the transmission velocity ratio of the first gear drive (9), the second gear drive (10) is equal, and the transmission velocity ratio of the first gear drive (9), the second gear drive (10) is 1:4-8.
4. the transmission locking device of underground refuge chamber airtight blast door according to claim 1, is characterized in that, the wall thickness of fixed head (8) is 0.5-1 times of sealed door (1) thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259931.9U CN203847163U (en) | 2014-05-20 | 2014-05-20 | Transmission locking device of downhole refuge-chamber protection airtight door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259931.9U CN203847163U (en) | 2014-05-20 | 2014-05-20 | Transmission locking device of downhole refuge-chamber protection airtight door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203847163U true CN203847163U (en) | 2014-09-24 |
Family
ID=51560197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420259931.9U Expired - Fee Related CN203847163U (en) | 2014-05-20 | 2014-05-20 | Transmission locking device of downhole refuge-chamber protection airtight door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203847163U (en) |
-
2014
- 2014-05-20 CN CN201420259931.9U patent/CN203847163U/en not_active Expired - Fee Related
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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: 20140924 Termination date: 20160520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |