CN219809033U - Underground air door for coal mine - Google Patents
Underground air door for coal mine Download PDFInfo
- Publication number
- CN219809033U CN219809033U CN202321074102.9U CN202321074102U CN219809033U CN 219809033 U CN219809033 U CN 219809033U CN 202321074102 U CN202321074102 U CN 202321074102U CN 219809033 U CN219809033 U CN 219809033U
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- door
- plate
- screw rod
- connecting plate
- connecting screw
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- 239000003245 coal Substances 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model relates to an underground air door for a coal mine, wherein unit plates of a door plate are connected to form a main body, side frames are enclosed at the edge of the main body, a hinge device is arranged between the door plate and the door frame, a first connecting plate of the hinge device is fixedly connected with a rotating seat, a second connecting plate of the hinge device is fixedly connected with a supporting seat, a rotating shaft is arranged between the rotating seat and the supporting seat, the first connecting plate is arranged on the side frame at the left side or the right side of the door plate, the second connecting plate is arranged at the front side or the rear side of a door frame, a transverse connecting screw rod is further arranged on the door plate, one end of the transverse connecting screw rod is positioned at the left side of the door plate, the other end of the transverse connecting screw rod is positioned at the right side of the door plate, the transverse connecting screw rod is connected with the first connecting plate, and the transverse connecting screw rod is further provided with a locking nut. The lateral connecting screw rod transversely penetrates through the door plate to connect, reinforce and support the side frames and the unit plates; the transverse connecting screw rod is connected with the first connecting plate in the hinge device, the weight can be dispersed through the cooperation of the transverse connecting screw rod, the door plate structure is firmer, and the door plate is longer to use.
Description
Technical Field
The utility model relates to a damper, in particular to a damper for coal mines.
Background
Door plant in colliery is with door plant pass through hinge structure and connect on the door frame, and wherein the door plant can adopt pin-connected panel structure (for example the door plant of the mining underground pressureless air door of CN 218062363U), and the door plant of pin-connected panel structure makes things convenient for the combination dismouting, the transportation of being convenient for, but still has a great deal of shortages, for example: the door plate of the assembled structure is connected with the door frame through the hinge structure only by the most side position, so that the weight of the door plate is connected with the hinge device only by the most side position, and the most side position is high in load and is not beneficial to long-term use; moreover, the installation connection structure of the common hinge structure is arranged between the door plate and the door frame, the gap between the door plate and the door frame is relatively large, the structure is relatively compact, and air leakage is easy; in addition, the door plate is closed and is automatically closed by adopting counterweight (such as an iron block and the like) to sag, so that the cost is high, the structure is relatively complex, and the door plate is unreasonable.
Disclosure of Invention
In view of the technical problems existing in the background art, the technical problems solved by the utility model are to provide the underground air door for the coal mine, which has a firmer door plate assembling structure, can disperse weight to each unit plate and can avoid relatively overlarge load at the side-most position.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a colliery is with air door in pit, includes door frame and door plant, and the door plant includes unit board and side frame, and the horizontal arrangement sets up about the unit board each other, and unit board interconnect forms the main part, and the side frame encloses to close and installs the edge at the main part, is equipped with hinge means between door plant and the door frame, its characterized in that: the hinge device comprises a first connecting plate, a rotating seat, a second connecting plate, a supporting seat and a rotating shaft, wherein the first connecting plate is fixedly connected with the rotating seat, the second connecting plate is fixedly connected with the supporting seat, the rotating shaft is vertically arranged, the rotating shaft is connected and configured between the rotating seat and the supporting seat, the first connecting plate is arranged on a left side or a right side of a door plate, the second connecting plate is arranged on the front side or the rear side of the door frame, a transverse connecting screw rod is further arranged on the door plate, one end of the transverse connecting screw rod is positioned on the left side of the door plate, the other end of the transverse connecting screw rod is positioned on the right side of the door plate, the transverse connecting screw rod is connected with the first connecting plate, and a locking nut is further arranged on the transverse connecting screw rod.
The following various optimization or supplementary explanation can be performed on the above technical solutions, respectively.
For example, the side frame encloses to close and installs about the upper and lower of main part, and the inboard of side frame has inboard recess, and the unit board matches with inboard recess, and the outside of side frame still has the outside recess that supplies first connecting plate to install, and lock nut is arranged in the outside recess.
In addition, the front side or the rear side of the side frame is provided with an opening, the opening is communicated with the outer groove, a connecting piece is arranged between the first connecting plate and the rotating seat, and the connecting piece penetrates through the opening.
For example, a first shaft hole is formed in the rotating seat, a second shaft hole is formed in the supporting seat, and the rotating shaft is connected between the first shaft hole and the second shaft hole. A planar bearing may also be provided between the rotating seat and the support seat.
For another example, the first shaft hole is located at an upper side of the second shaft hole.
Wherein, the transverse connecting screw rod transversely passes through the side frames at the left side and the right side of the main body and each unit plate of the main body.
In addition, the door plate is also connected with a door closing tension spring.
Wherein, one side of the unit board is provided with a convex splicing part, and the other side of the unit board is provided with a concave splicing part.
The underground air door for the coal mine has the beneficial effects that the door plate is mainly formed by connecting and assembling the unit plates and the side frames, and the side frames and the unit plates are connected, reinforced and supported by transversely penetrating through the door plate by transverse connecting screws; and the first connecting plate in transverse connection screw rod and the hinge device is connected, avoids the weight of the door plant to be connected and supported with the hinge device only by the position (side frame) of the most side edge of the door plant, and can disperse the weight of the door plant by the cooperation of the transverse connection screw rod, so that the door plant structure is firmer and longer in use. Thus, the present utility model is a substantial feature and improvement over the prior art.
Drawings
The details and working principles of the embodiments and examples of the present utility model are described below with reference to the drawings.
FIG. 1 is a schematic view of the front side construction of the damper of the present utility model.
Fig. 2 is a schematic perspective view of a hinge device according to an embodiment of the present utility model.
Fig. 3 is a schematic view of another angle structure of fig. 2.
Fig. 4 is an exploded view of a hinge device in an embodiment of the present utility model.
Fig. 5 is a schematic structural view of the first connecting plate connected in the outer groove of the side frame in the present utility model.
FIG. 6 is a schematic cross-sectional view of a two-cell plate connecting structure according to the present utility model, wherein the two-cell plates are separated.
FIG. 7 is a schematic top view of the damper of the present utility model.
In the figure: 1. a door frame; 2. a door panel; 3. a unit plate; 4. a side frame; 5. a main body; 6. a hinge device; 7. a first connection plate; 8. a rotating seat; 9. a second connecting plate; 10. a support base; 11. a rotating shaft; 12. a transverse connecting screw; 13. a lock nut; 14. an outer groove; 15. a connecting piece; 16. a first shaft hole; 17. a second shaft hole; 18. a planar bearing; 19. a door closing tension spring; 20. a convex splicing part; 21. concave splicing parts; 22. a screw head of the transverse connecting screw; 34. a V-shaped concave surface; 35. a V-shaped concave surface.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some, but not all, embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making inventive efforts are within the scope of this utility model.
Referring to the drawings, an air door for a coal mine in an example of the present embodiment includes a door frame 1 and a door panel 2. The door frame 1 generally includes a left frame, a right frame, and an upper frame. The door panel 2 comprises a unit plate 3 and a side frame 4, wherein the unit plates 3 are mutually arranged left and right transversely to be assembled and connected, the unit plates 3 are mutually connected to form a main body 5 (namely, the main body structure of the door panel 2), the side frame 4 is enclosed and installed at the edge of the main body 5, namely, the outer ring (periphery) of the main body 5 formed by connecting a plurality of unit plates 3 is enclosed and matched to be assembled and connected by the side frame 4. A hinge device 6 is arranged between the door plate 2 and the door frame 1, so that the door plate 2 can rotate relatively on the door frame 1 for opening and closing.
The hinge device 6 comprises a first connecting plate 7, a rotating seat 8, a second connecting plate 9, a supporting seat 10 and a rotating shaft 11; the first connecting plate 7 is fixedly connected with the rotating seat 8, and the first connecting plate 7 and the rotating seat 8 are generally in an integrated structure; the second connecting plate 9 is fixedly connected with the supporting seat 10, and the second connecting plate 9 and the supporting seat 10 are generally in an integrated structure; the rotating shaft 11 is vertically arranged, the rotating shaft 11 is connected and configured between the rotating seat 8 and the supporting seat 10, and the rotating seat 8 rotates around the rotating shaft 11 relative to the supporting seat 10.
Wherein the first connection plate 7 is mounted on the left or right side frame 4 of the door panel 2, for example, the first connection plate 7 of the door panel 2 located at the left in the door frame 1 is mounted on the left side frame 4 of the door panel 2, and the first connection plate 7 of the door panel 2 located at the right in the door frame 1 is mounted on the right side frame 4 of the door panel 2. The second connection plate 9 is mounted on the front side or the rear side of the door frame 1, for example, the second connection plate 9 on the left is connected on the rear side of the door frame 1, and the second connection plate 9 on the right is connected on the front side of the door frame 1. In this structure, the connection position of the hinge device with the door frame 1 and the side frames 4 is reasonable, the structure is relatively compact, and the gap between the door frame 1 and the door panel 2 is relatively small.
In addition, the door plate 2 is further provided with a transverse connecting screw rod 12, one end of the transverse connecting screw rod 12 is positioned at the left side of the door plate 2, and the other end of the transverse connecting screw rod 12 is positioned at the right side of the door plate 2, so that the transverse connecting screw rod 12 can transversely penetrate through the side frames 4 at the left side and the right side of the main body 5 and each unit plate 3 of the main body 5, the transverse connecting screw rod 12 can further connect and support each unit plate 3 with the side frames 4 at the left side and the right side, the structure is further reinforced, and the assembling structure of the door plate 2 is firmer; moreover, the transverse connection screw 12 is connected with the first connecting plate 7 (connected to the side frames 4 of the door plate 2), the main body 5, the left side frame 4, the right side frame 4, and the like of the door plate 2 are connected with the first connecting plate 7 by the transverse connection screw 12, and the weight of the door plate 2 can be dispersed to the transverse connection screw 12 to be matched and connected, so that the weight of the door plate 2 is prevented from being connected and supported only by the connection part of the first connecting plate 7 at the extreme side position (such as the side frame 4) of the door plate 2. The transverse connecting screw 12 is also provided with a locking nut 13, and the locking nut 13 can be matched and locked for connection, so that the main body 5 can be locked with the side frames 4 and the first connecting plates 7 on two sides.
The underground air door for the coal mine is characterized in that a door plate 2 is formed by connecting and assembling unit plates 3 and side frames 4, and the whole door plate 2 is connected, reinforced and supported by a transverse connecting screw 12; and the transverse connecting screw 12 is connected with the first connecting plate 7 in the hinge device 6, so that the weight of the door plate 2 is prevented from being connected and supported with the hinge device 6 only by the position of the outermost edge of the door plate 2, the weight can be dispersed by the connection and the support of the transverse connecting screw 12, the structure of the door plate 2 is firmer, and the door plate is longer to use.
The following optimizations or further description can be made on the basis of the above embodiments, respectively.
For example, the side frames 4 are fitted around the upper, lower, left and right sides of the main body 5 (door panel 2). The inner side of the side frame 4 is provided with an inner side groove, and the unit plates 3 are matched with the inner side groove, so that the unit plates 3 on the inner side of the side frame 4 can be matched and inserted into the inner side groove for matching connection. The outside of the side frame 4 is also provided with an outside groove 14 for installing the first connecting plate 7, the locking nut 13 is positioned in the outside groove 14, the first connecting plate 7 and the locking nut 13 are hidden in the outside groove 14, the structure is more compact, the gap between the door plate 2 and the door frame 1 (in a closing state) is relatively smaller, and air leakage is not easy in the closing state. It may be further optimized that an opening is provided on the front side or the rear side of the side frame 4, the opening is communicated with the outer groove 14, a connecting piece 15 (such as a connecting block) is provided between the first connecting plate 7 and the rotating seat 8, and the connecting piece 15 penetrates through the opening, so that the first connecting plate 7 inside and outside the outer groove 14 is connected with the rotating seat 8.
Wherein, one side of the unit plate 3 is provided with a convex splicing part 20; the other side of the unit plate 3 is provided with a concave splicing part 21. The two unit plates 3 are inserted into the concave splicing parts 21 through the convex splicing parts 20 to be matched, spliced and connected. One side of the unit plate 3 may be provided as a V-shaped concave 3534, and the convex splice 20 may be provided on the V-shaped concave 3534 (i.e., a tapered concave); the other side of the unit plate 3 may be provided as a V-shaped concave surface 3534 or a plane, and the concave stitching portion 21 may be provided on the V-shaped concave surface 3534 (i.e., a tapered convex surface) or the plane; the gaps are relatively smaller when the unit plates 3 are spliced with each other, so that the problem that the gaps are larger due to deformation of the unit plates 3 made of plastic materials is avoided. The protruding splice 20 may be a right angle bump and the recessed splice 21 may be a right angle groove. The convex splicing part 20 is in a long strip shape, and the concave splicing part 21 is in a long groove shape.
The rotating seat 8 is connected with the supporting seat 10 through a rotating shaft 11, and the rotating seat 8 rotates relative to the supporting seat 10 in a plurality of modes. For example, the rotating seat 8 is provided with a first shaft hole 16, the supporting seat 10 is provided with a second shaft hole 17, and the rotating shaft 11 is connected between the first shaft hole 16 and the second shaft hole 17, so that connection and installation are facilitated. A plane bearing 18 can be additionally arranged between the rotating seat 8 and the supporting seat 10, and the rotating seat 8 can smoothly rotate relative to the supporting seat 10. The two ends of the rotating shaft 11 are respectively sleeved in the first shaft hole 16 and the second shaft hole 17. The first shaft hole 16 is located the upside of second shaft hole 17, and during the installation, can erect the rotation seat 8 on supporting seat 10, it is more convenient.
The door plate 2 is also connected with a door closing tension spring 19, so that the opened door plate 2 can be automatically closed under the action of the door closing tension spring 19, and the door closing tension spring 19 can be connected between the door plate 2 and the door frame 1. For example, the door closing tension spring 19 is connected to a transmission swing arm 23 in a link transmission mechanism.
Claims (8)
1. The utility model provides a colliery is with air door in pit, includes door frame (1) and door plant (2), and door plant (2) are including unit board (3) and side frame (4), and horizontal arrangement sets up about each other unit board (3), and unit board (3) interconnect forms main part (5), and side frame (4) enclose to close and install at the edge of main part (5), are equipped with hinge means (6) between door plant (2) and door frame (1), its characterized in that: the hinge device (6) comprises a first connecting plate (7), a rotating seat (8), a second connecting plate (9), a supporting seat (10) and a rotating shaft (11),
the first connecting plate (7) is fixedly connected with the rotating seat (8), the second connecting plate (9) is fixedly connected with the supporting seat (10),
the rotating shaft (11) is vertically arranged, the rotating shaft (11) is connected and configured between the rotating seat (8) and the supporting seat (10),
the first connecting plate (7) is arranged on the left side or the right side of the door plate (2) on the side frame (4), the second connecting plate (9) is arranged on the front side or the rear side of the door frame (1),
the door plate (2) is further provided with a transverse connecting screw rod (12), one end of the transverse connecting screw rod (12) is located on the left side of the door plate (2), the other end of the transverse connecting screw rod (12) is located on the right side of the door plate (2), the transverse connecting screw rod (12) is connected with the first connecting plate (7), and the transverse connecting screw rod (12) is further provided with a locking nut (13).
2. A downhole damper for coal mines as set forth in claim 1, wherein: the side frames (4) are arranged on the upper, lower, left and right sides of the main body (5) in a surrounding way, the inner sides of the side frames (4) are provided with inner side grooves, the unit plates (3) are matched with the inner side grooves,
the outer side of the side frame (4) is also provided with an outer side groove (14) for installing the first connecting plate (7), and the locking nut (13) is positioned in the outer side groove (14).
3. A downhole damper for coal mines as set forth in claim 2, wherein: the front side or the rear side of the side frame (4) is provided with an opening, the opening is communicated with an outer groove (14), a connecting piece (15) is arranged between the first connecting plate (7) and the rotating seat (8), and the connecting piece (15) penetrates through the opening.
4. A downhole damper for coal mines as set forth in claim 1, wherein: the rotating seat (8) is provided with a first shaft hole (16), the supporting seat (10) is provided with a second shaft hole (17), and the rotating shaft (11) is connected between the first shaft hole (16) and the second shaft hole (17); a plane bearing (18) is also arranged between the rotating seat (8) and the supporting seat (10).
5. A downhole damper for coal mines as set forth in claim 4, wherein: the first shaft hole (16) is positioned on the upper side of the second shaft hole (17).
6. A downhole damper for coal mines as set forth in claim 1, wherein: the transverse connecting screw rods (12) transversely penetrate through the side frames (4) on the left side and the right side of the main body (5) and each unit plate (3) of the main body (5).
7. A downhole damper for coal mines as set forth in claim 1, wherein: the door plate (2) is also connected with a door closing tension spring (19).
8. A downhole damper for coal mines as set forth in claim 1, wherein: one side of the unit plate (3) is provided with a convex splicing part (20), and the other side of the unit plate (3) is provided with a concave splicing part (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321074102.9U CN219809033U (en) | 2023-05-08 | 2023-05-08 | Underground air door for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321074102.9U CN219809033U (en) | 2023-05-08 | 2023-05-08 | Underground air door for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219809033U true CN219809033U (en) | 2023-10-10 |
Family
ID=88215617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321074102.9U Active CN219809033U (en) | 2023-05-08 | 2023-05-08 | Underground air door for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219809033U (en) |
-
2023
- 2023-05-08 CN CN202321074102.9U patent/CN219809033U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |