CN217176682U - Underground roadway air door equipment - Google Patents
Underground roadway air door equipment Download PDFInfo
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- CN217176682U CN217176682U CN202220493083.2U CN202220493083U CN217176682U CN 217176682 U CN217176682 U CN 217176682U CN 202220493083 U CN202220493083 U CN 202220493083U CN 217176682 U CN217176682 U CN 217176682U
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- air door
- door
- air
- frame
- damper
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Abstract
The utility model discloses an underground tunnel air door device, which comprises a bottom plate, a top plate and two air doors; an air door interlocking driving mechanism is also arranged in the mounting groove of the bottom plate; the air door interlocking driving mechanism comprises a motor, a rotating shaft and two connecting arms; two sections of external threads with opposite spiral directions are arranged on the rotating shaft at intervals, the internal thread hole of each connecting arm is in meshed transmission with one section of the external thread of the rotating shaft, and each connecting arm is connected with one air door. The utility model discloses an underworkings air door equipment, when the motor operation, the axis of rotation rotates thereupon, and two sections external screw threads in the axis of rotation can make two linking arms be close to the motion each other or keep away from the motion each other to drive two fan doors and realize the interlocking, when an air door was opened, another fan door was closed, and the air door adopts the switch mode of slidingtype, does benefit to and reduces the space that occupies the tunnel, and easy to assemble, air door straight line slide switch is convenient.
Description
Technical Field
The utility model relates to a colliery air door technical field especially relates to an underworkings air door equipment.
Background
The downhole air door equipment adopts two air doors, and the two air doors are required to be interlocked so as to avoid short circuit of downhole gas. The two air doors are interlocked, namely when one air door is completely opened, the other air door is in a closed state.
In the prior art, a mechanical steel wire rope is usually adopted to control the interlocking of two air doors of a structure, after the maximum opening angle of one air door is accurately calculated, the other air door is closed to determine the length of the steel wire rope, and the steel wire rope is used for drawing the two plate doors to rotate a switch. This requires that the damper be able to open or close only in a rotational manner. However, when the damper is opened and closed in a sliding manner, the interlocking manner of the wire ropes is no longer applicable.
In view of the above, it is necessary to provide a new type of underground roadway damper device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides a novel underworkings air door equipment, and the air door can be for door frame horizontal slip switch, and the motor passes through the axis of rotation and the linking arm drives the air door and slides to can realize the interlocking of two air doors, satisfied the installation requirement of slip air door.
The utility model provides an underground tunnel air door device, which comprises a bottom plate, a top plate and an air door;
two air doors are arranged between the bottom plate and the top plate at intervals from left to right, each air door is installed between the bottom plate and the top plate through a door frame, the air doors are connected with the door frames in a sliding mode, and the air doors can slide left and right relative to the door frames;
an air door interlocking driving mechanism which is used for driving the air doors to move and can realize the interlocking of the two air doors is also arranged in the mounting groove of the bottom plate;
the air door interlocking driving mechanism comprises a motor, a rotating shaft and two connecting arms;
the rotating shaft is connected with the output end of the motor, two sections of external threads with opposite spiral directions are arranged on the rotating shaft at intervals, and the two connecting arms are respectively provided with an internal thread hole;
every the connecting arm the internal thread hole with one section of axis of rotation the external screw thread meshing transmission, every the connecting arm all with one the air door is connected.
In an optional technical scheme, the lower end of the connecting arm is provided with a roller which is in contact with the bottom of the mounting groove.
In an optional technical solution, the door frame includes a lower frame installed in the installation groove of the bottom plate, an upper frame installed in a top plate groove of the top plate, and a side frame connected between two ends of the upper frame and the lower frame;
and a buffer mechanism for buffering the air door moving towards the side frame is arranged on the side frame.
In one optional technical solution, two sets of the buffer mechanisms are arranged on the side frame at intervals along the vertical direction.
In one optional technical scheme, the buffer mechanism comprises a telescopic pin, an elastic piece and a limit plate;
the limiting plate is arranged on one side, back to the air door, of the side frame, and a frame opening for the telescopic pin to extend out is formed in the side frame;
the limiting plate is provided with an installation cavity, the telescopic pin is at least partially arranged in the installation cavity, the elastic piece is arranged in the installation cavity, and the elastic piece is connected with the telescopic pin.
In one optional technical scheme, a receiving groove is formed in the position, corresponding to the telescopic pin, of the air door;
when the telescopic pin is matched with the air door, the end part of the telescopic pin is inserted into the accommodating groove.
In one optional technical solution, the bottom of the upper frame and the top of the lower frame are respectively provided with a guide groove;
the top of air door and the bottom of air door have the guide lug respectively, guide lug clearance fit is in the guide way.
In an alternative solution, one end of the guide groove far away from the side frame is provided with a buffer block for stopping the guide projection.
In one optional technical scheme, a door handle is installed on the air door.
In one alternative, the damper is a multi-layer plate structure.
By adopting the technical scheme, the method has the following beneficial effects:
the utility model provides an underworkings air door equipment, when the motor operation, the axis of rotation rotates thereupon, and two sections external screw threads in the axis of rotation can make two linking arms be close to the motion each other or keep away from the motion each other to drive two fan doors and realize the interlocking, when an air door was opened, another fan door was closed, and the air door adopts the switch mode of slidingtype, does benefit to and reduces the space that occupies the tunnel, and easy to assemble, air door straight line slide switch is convenient.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is a schematic view of an underground roadway air door device according to an embodiment of the present invention;
FIG. 2 is a top view of the damper and damper interlock drive mechanism mounted to the base plate;
FIG. 3 is a schematic view of the installation of a damper;
FIG. 4 is a cross-sectional view of a cushioning mechanism;
FIG. 5 is a perspective view of a cushioning mechanism;
fig. 6 is a schematic view of a damper constructed of a multi-layer plate.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-3, an embodiment of the present invention provides an underground roadway air door device, which includes a bottom plate 1, a top plate 2 and an air door 3.
Two air doors 3 are arranged between the bottom plate 1 and the top plate 2 at left and right intervals, each air door 3 is installed between the bottom plate 1 and the top plate 2 through a door frame 4, the air doors 3 are connected with the door frames 4 in a sliding mode, and the air doors 3 can slide left and right relative to the door frames 4.
And a damper interlocking driving mechanism 5 which is used for driving the damper 3 to move and can realize the interlocking of the two dampers 3 is also arranged in the mounting groove 11 of the bottom plate 1.
The damper interlock driving mechanism 5 includes a motor 51, a rotating shaft 52, and two connecting arms 53.
The rotating shaft 52 is connected with the output end of the motor 51, two sections of external threads with opposite spiral directions are arranged on the rotating shaft 52 at intervals, and the two connecting arms 53 are respectively provided with an internal thread hole.
The internal thread hole of each connecting arm 53 is meshed with a section of external thread of the rotating shaft 52 for transmission, and each connecting arm 53 is connected with one air door 3.
The utility model provides an underworkings air door equipment for in the underworkings. The underground roadway air door equipment comprises a bottom plate 1, a top plate 2, two air doors 3, two door frames 4 and an air door interlocking driving mechanism 5.
The bottom plate 1 is a roadway bottom plate, and the top plate 2 is a roadway top plate. Two door frames 4 are arranged at intervals in the width direction (left-right direction) of the bottom plate 1, and each of the dampers 3 is installed in one of the door frames 4, and the damper 3 is slidable left and right with respect to the door frame 4.
The base 1 has a mounting groove 11 at the top thereof, and the lower portion of the door frame 4 is mounted in the mounting groove 11. The bottom of the top plate 2 has a top plate groove 21 in which the upper portion of the doorframe 4 is fitted.
The damper interlock driving mechanism 5 is installed in the installation groove 11, and is used for driving the sliding switch of the two dampers 3 and realizing the interlock of the two dampers 3.
The damper interlock driving mechanism 5 mainly includes a motor 51, a rotating shaft 52, and two connecting arms 53.
The rotating shaft 52 has two spaced external threads, wherein the two external threads have opposite spiral directions. The two external threads are a first external thread 521 and a second external thread 522, and the first external thread 521 and the second external thread 522 are opposite in spiral direction. The lower ends of the two connecting arms 53 are respectively provided with internal threaded holes, wherein an internal thread in the internal threaded hole of one connecting arm 53 can be engaged with one external thread, and an internal thread in the internal threaded hole of the other connecting arm 53 can be engaged with the other external thread.
The rotating shaft 52 is connected to the output end of the motor 51, the rotating shaft 52 extends in the width direction of the base plate 1, the internally threaded hole of one connecting arm 53 is in meshing transmission with one section of external thread of the rotating shaft 52, the internally threaded hole of the other connecting arm 53 is in meshing transmission with the other section of external thread of the rotating shaft 52, and each connecting arm 53 is connected to one of the dampers 3.
When motor 51 operates, axis of rotation 52 rotates along with it, and two sections external screw threads on the axis of rotation 52 can make two linking arms 53 be close to the motion each other or keep away from the motion each other to drive two air doors 3 and realize the interlocking, when an air door 3 opened, another air door 3 closed, and air door 3 adopts the switch mode of slidingtype, does benefit to and reduces the space that occupies the tunnel, and easy to assemble, and air door straight line slide switch is convenient.
In one embodiment, as shown in fig. 1 and 3, the lower end of the connecting arm 53 is provided with a roller 54 contacting with the bottom of the mounting groove 11 to assist in supporting the damper 3, and the roller 54 rolls on the bottom of the mounting groove when the damper 3 slides.
In one embodiment, as shown in fig. 1 and 3, the doorframe 4 includes a lower frame 41 installed in the installation groove 11 of the base plate 1, an upper frame 42 installed in the top plate groove 21 of the top plate 2, and a side frame 43 connected between the upper frame 42 and both ends of the lower frame 41.
The side frame 43 is provided with a damper mechanism 6 for damping the damper 3 moving toward the side frame 43.
In this embodiment, the doorframe 4 includes a lower frame 41, an upper frame 42, and a side frame 43. The lower frame 41 is installed in the installation groove 11 of the bottom plate 1, the lower frame 42 is installed in the top plate groove 21 of the top plate 2, and the side frame 43 is connected to the same end (left end or right end) of the lower frame 41 and the upper frame 42, so that the door frame 4 is in a U shape, the opening of the door frame 4 is located at one end of the door frame 4 far away from the side frame 43, and the opening of the door frame 4 is used for the sliding of the air door 3 into and out of the door frame 4.
The side frame 43 is provided with a damper mechanism 6 for damping the damper 3 moving toward the side frame 43 so as to damp collision between the damper 3 and the side frame 43 when the damper 3 is closed.
The damping mechanism 6 may be a telescopic damping mechanism, a spring damping mechanism, or the like.
In one embodiment, as shown in fig. 1 and 3, two sets of buffer mechanisms 6 are disposed on the side frame 43 at intervals in the vertical direction, so as to further improve the buffering effect.
In one embodiment, as shown in fig. 4-5, the cushion mechanism 6 includes a retractable pin 61, an elastic member 62, and a stopper plate 63.
The limit plate 63 is mounted on a side of the side frame 43 opposite to the damper 3, and the side frame 43 has a frame opening 431 for the extension pin 61 to extend.
The limiting plate 63 has a mounting cavity 631 therein, the telescopic pin 61 is at least partially located in the mounting cavity 631, the elastic element 62 is located in the mounting cavity 631, and the elastic element 62 is connected with the telescopic pin 61.
In this embodiment, the buffer mechanism 6 mainly includes a retractable pin 61, an elastic member 62, and a stopper plate 63.
The limiting plate 63 has a mounting cavity 631 therein, and is mounted on a side of the side frame 43 opposite to the damper 3. The side frame 43 has a frame opening 431 therein which communicates with the mounting cavity 631 and through which the retractable pin 61 extends. One end of the telescopic pin 61 is located in the installation cavity 631, the elastic member 62 is installed in the installation cavity 631, and the elastic member 62 is connected to the telescopic pin 61 for driving the telescopic pin 61 to extend toward the damper 3. When the damper 3 is closed, it will contact the extended retractable pin 61 first, and then push the retractable pin 61 to retreat and compress the elastic member 62, and the elastic member 62 provides a buffer effect. The elastic member 62 may be an expansion spring or an elastic sheet.
In one embodiment, as shown in fig. 1 and 3-5, the damper 3 has a receiving groove 31 at a position corresponding to the retractable pin 61.
When the telescopic pin 61 is engaged with the damper 3, the end of the telescopic pin 61 is inserted into the receiving groove 31, thereby improving the engagement stability of the telescopic pin 61 with the damper 3. The depth of the receiving groove 31 is much smaller than the length of the retractable pin 61, and the retractable pin 61 is further retracted to compress the elastic member 62 after the retractable pin 61 is inserted into the receiving groove 31.
In one embodiment, as shown in fig. 1 and 3, the bottom of the upper frame 42 and the top of the lower frame 41 have guide grooves 44, respectively.
The top of the damper 3 and the bottom of the damper 3 have guide projections 32, respectively, and the guide projections 32 are clearance-fitted in the guide grooves 44.
The guide groove 44 is one of guide rails, and the guide groove 44 extends in the width direction or the left-right direction of the base plate 1 and guides the guide protrusion 32 to slide in the width direction or the left-right direction of the base plate 1.
In one embodiment, as shown in fig. 1 and 3, the end of the guide slot 44 away from the side frame 43 has a buffer block 45 for stopping the guide projection 32, and when the damper 3 reaches the open position, the guide projection 32 will contact the buffer block 45 to stop the guide projection 32 from further moving, thereby preventing the damper 3 from further moving. The buffer block 45 can be a wood block, so that the guide projection 32 can be blocked and a buffer effect can be achieved.
In one embodiment, as shown in fig. 1 and 3, a door handle 33 is mounted on the damper 3. When the damper 3 is not slid smoothly, the user can hold the door handle 33 to assist the movement of the damper 3 to overcome the current resistance.
In one embodiment, as shown in fig. 6, the damper 3 is a multi-layer plate structure, which can meet different requirements in mines. The air door 3 can be composed of a base plate 31, a core plate 32, an anti-corrosion plate 33 and the like, the base plate 31 can be a steel plate, the core plate 32 can be a fireproof wood plate, the anti-corrosion plate 33 can be a wood plate coated with an anti-corrosion layer, and the like, and requirements of corrosion resistance, pressure resistance and the like under mines can be met.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (10)
1. An underground roadway air door device is characterized by comprising a bottom plate, a top plate and air doors;
two air doors are arranged between the bottom plate and the top plate at intervals from left to right, each air door is installed between the bottom plate and the top plate through a door frame, the air doors are connected with the door frames in a sliding mode, and the air doors can slide left and right relative to the door frames;
an air door interlocking driving mechanism which is used for driving the air doors to move and can realize the interlocking of the two air doors is also arranged in the mounting groove of the bottom plate;
the air door interlocking driving mechanism comprises a motor, a rotating shaft and two connecting arms;
the rotating shaft is connected with the output end of the motor, two sections of external threads with opposite spiral directions are arranged on the rotating shaft at intervals, and the two connecting arms are respectively provided with an internal thread hole;
every the connecting arm the internal thread hole with one section of axis of rotation the external screw thread meshing transmission, every the connecting arm all with one the air door is connected.
2. The downhole roadway damper apparatus of claim 1, wherein the lower end of the connecting arm is configured with a roller that contacts the bottom of the mounting groove.
3. The underground roadway damper apparatus of claim 1, wherein the door frame includes a lower frame mounted in the mounting slot of the bottom plate, an upper frame mounted in a top plate recess of the top plate, and a side frame connected between the upper frame and the lower frame at opposite ends thereof;
and a buffer mechanism for buffering the air door moving towards the side frame is arranged on the side frame.
4. The underground roadway damper apparatus of claim 3, wherein two sets of the cushioning mechanisms are disposed at intervals on the side frames in the vertical direction.
5. The underground roadway damper apparatus of claim 3, wherein the cushioning mechanism comprises a telescoping pin, an elastic member, and a limit plate;
the limiting plate is arranged on one side, back to the air door, of the side frame, and a frame opening for the telescopic pin to extend out is formed in the side frame;
the limiting plate is provided with an installation cavity, the telescopic pin is at least partially arranged in the installation cavity, the elastic piece is arranged in the installation cavity, and the elastic piece is connected with the telescopic pin.
6. The downhole roadway damper apparatus of claim 5, wherein the damper has a receiving slot at a location corresponding to the retractable pin;
when the telescopic pin is matched with the air door, the end part of the telescopic pin is inserted into the accommodating groove.
7. The downhole roadway damper apparatus of claim 3, wherein the bottom of the upper frame and the top of the lower frame each have a guide groove;
the top of air door and the bottom of air door have the guide lug respectively, guide lug clearance fit is in the guide way.
8. The downhole roadway damper apparatus of claim 7, wherein an end of the guide slot distal from the side frame has a bumper for stopping the guide tab.
9. The downhole roadway damper apparatus of claim 1, wherein the damper has a door handle mounted thereon.
10. The downhole roadway damper apparatus of claim 1, wherein the damper is a multi-deck structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220493083.2U CN217176682U (en) | 2022-03-08 | 2022-03-08 | Underground roadway air door equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220493083.2U CN217176682U (en) | 2022-03-08 | 2022-03-08 | Underground roadway air door equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217176682U true CN217176682U (en) | 2022-08-12 |
Family
ID=82743464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220493083.2U Active CN217176682U (en) | 2022-03-08 | 2022-03-08 | Underground roadway air door equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217176682U (en) |
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2022
- 2022-03-08 CN CN202220493083.2U patent/CN217176682U/en active Active
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