CN212054767U - Air door structure suitable for monorail crane - Google Patents
Air door structure suitable for monorail crane Download PDFInfo
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- CN212054767U CN212054767U CN202020474274.5U CN202020474274U CN212054767U CN 212054767 U CN212054767 U CN 212054767U CN 202020474274 U CN202020474274 U CN 202020474274U CN 212054767 U CN212054767 U CN 212054767U
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- door leaf
- door
- monorail crane
- cylinder
- turning plate
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Abstract
The utility model provides an air door structure suitable for a monorail crane, which comprises a door frame with a top beam above a track, a door leaf for plugging a door opening below the track and two turning plates for plugging the door opening above the door leaf together, wherein a gap for avoiding the track is arranged between the two turning plates; one side of the door leaf is hinged to the door frame, and the turning plate can move to open a door opening above the door leaf to avoid the monorail crane. The utility model provides an adapt to single track crane car's air door structure's advantage lies in: the upper and lower door openings of the track are separately plugged, so that the convenience of daily use and the trafficability of the monorail crane are considered; and but door leaf and board turnover linkage control, convenient operation effectively improves work efficiency.
Description
Technical Field
The utility model relates to a mine tunnel air door technical field especially relates to an air door structure that adapts to monorail crane car.
Background
In order to improve the underground transportation capacity level, the underground transportation is carried out by introducing lower suspension type tractors more and more in a coal mine tunnel, namely a monorail crane locomotive, but the popularization of the monorail crane locomotive causes troubles to a working face recovery ventilation system; because the monorail crane needs to arrange a track and corresponding power and a supporting structure at the top of a roadway, a roadway air door at least needs to be provided with a notch for the track to pass through, and the air door needs to be opened completely when the monorail crane passes through so as to ensure that the locomotive passes through safely, so the air door can not be closed completely and needs to be opened completely under specific conditions; at present, a way that two door leaves reserve track notches is adopted as an air door, so that the height of the door leaves is required to cover a roadway bottom plate to a roadway top plate, and operating personnel need to frequently walk through the air door during operation, the air door with the height of being manually opened and closed is extremely labor-consuming and is not friendly to use; in order to prevent forgetting to close the damper, the door leaf is generally required to be provided with a damping system capable of automatically closing, so that the door leaf has larger opening resistance and is very inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a can compromise the manual convenience of opening the passageway and the normal current air door structure of single track loop wheel machine car to solve the awkward problem that prior art exists.
The utility model discloses a solve above-mentioned technical problem through following technical scheme: an air door structure suitable for a monorail crane comprises a door frame with a top beam above a track, a door leaf for plugging a door opening below the track and two turning plates for plugging the door opening above the door leaf together, wherein a gap for avoiding the track is formed between the two turning plates; one side of the door leaf is hinged to the door frame, and the turning plate can move to open a door opening above the door leaf to avoid the monorail crane.
The utility model discloses a with the tunnel about the track separation shutoff, with the door opening of rotating articulated door leaf shutoff track below, can direct manual switch door leaf when the operation personnel pass through to reduce the height of door leaf, alleviate the weight of door leaf, and door leaf one side is articulated, though make the width of door leaf great, nevertheless increased the moment of switch door simultaneously, convenient operation. When the monorail crane car passes through, the door leaf is opened in the rotation simultaneously to open and turn over the board and can open the door opening completely, ensure that the monorail crane car moves with each other smoothly, when taking into account daily convenience in use from this, satisfied the user demand of monorail crane car, overcome the defect of prior art's existence.
Preferably, a door leaf cylinder is arranged on the side wall of the roadway on the hinged side of the door leaf, a door leaf cable is fixed at the power end of the door leaf cylinder, and the door leaf cable extends along the roadway wall and is connected with the door leaf by bypassing a door leaf pulley fixed on the roadway wall.
Preferably, when the door leaf is in a closed state, the door leaf pulley is positioned on one side of the opening direction of the door leaf; the acting direction of the door leaf cylinder is at the same height with the connecting points of the door leaf pulley, the door leaf stay cable and the door leaf, and the door leaf cylinder points to the door leaf or faces away from the door leaf.
Preferably, the tunnel roof is provided with a turning plate cylinder of a directional turning plate, the tunnel roof above the two turning plates is respectively fixed with a turning plate pulley, the two turning plates are respectively connected with a turning plate cable, and the two turning plate cables respectively penetrate through the turning plate pulley above the two turning plates and are fixedly matched with the power end of the turning plate cylinder.
Preferably, the turnover plate cylinder is communicated with the air door cylinder through an air pipe.
Preferably, the turning plate is hinged and matched with the door frame, the turning plate pulley is arranged between the turning plate and the turning plate cylinder, and the turning plate stay cable is vertically connected below the turning plate by bypassing the turning plate pulley; the upper end of the door frame is provided with a hinged shaft which is respectively hinged and matched with the upper ends of the two turning plates.
Preferably, turn over board and door frame along vertical direction sliding fit, two turn over the board pulley and set up respectively directly over two turn over boards, turn over the board cable and walk around and turn over the board pulley and connect the upper surface that turns over the board along vertical direction, the door frame both sides are provided with respectively and turn over one side complex spacing groove that the board kept away from each other with two.
Preferably, a switch for driving the air door cylinder to act is further arranged on one side of the door frame.
Preferably, the turning plate is a straight wood plate.
Preferably, a torsional spring for driving the door leaf to close automatically is further arranged on the hinged shaft of the door leaf.
The utility model provides an adapt to single track crane car's air door structure's advantage lies in:
1. the problem of the mutual exclusion of a monorail crane vehicle and an air door is solved, the automation of the turnover plate is realized, manual intervention is reduced, accidents are avoided, and safety is guaranteed.
2. The door leaf and the turning plate realize automatic linkage through components such as an air pipe, an inhaul cable and an air cylinder, the opening and closing can be realized without additionally accessing a power supply and power facilities such as compressed air, meanwhile, the turning plate is automatically opened and closed, the working procedure of opening and closing the turning plate by personnel is omitted, and the use is very convenient.
3. The field practice application shows that the door leaf and flap interlocking system has the advantages of high opening speed, simplicity in installation and operation, low cost, difficulty in damage and the like, and is very practical.
Drawings
Fig. 1 is a front view of an air door structure adapted to a monorail crane provided by an embodiment of the present invention;
fig. 2 is a schematic view of the hinged fixing of the air door structure turning plate adapted to the monorail crane provided by the embodiment of the invention;
fig. 3 is a schematic view of a vertical movement of the flap of the air door structure adapted to a monorail crane provided by an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the present embodiment provides an air door structure adapted to a monorail crane, including a door frame 2 with a top beam 21 located above a track 1 of the monorail crane, a door leaf 3 for plugging a door opening below the track 1, and two turning plates 4 for plugging the door opening above the door leaf 3 together, a gap avoiding the track 1 is provided between the two turning plates 4, one side of the door leaf 3 is hinged to the door frame 2, and the turning plates 4 can act to open the door opening above the door leaf to avoid the monorail crane.
This embodiment is through separating the shutoff with the tunnel about track 1, with the door opening of 3 shutoff tracks 1 below of rotation articulated door leaf, can direct manual switch door leaf 3 when the operation personnel pass through to reduce the height of door leaf 3, alleviate the weight of door leaf 3, and 3 one sides of door leaf are articulated, though make the width of door leaf 3 great, but increased the moment of switch door simultaneously, convenient operation. When the monorail crane car passes through, rotate simultaneously and open door leaf 3 to open and turn over board 4 and can open the door opening completely, ensure that the monorail crane car moves with each other smoothly, when taking into account daily convenience in use from this, satisfied the user demand of monorail crane car, overcome the defect of prior art's existence.
With reference to fig. 2, a door cylinder 31 is disposed on the lateral wall of the roadway on the hinged side of the door 3, a door cable 32 is fixedly connected to the power end of the door cylinder 31, and the door cable 32 travels along the roadway wall and bypasses a door pulley 33 fixed on the roadway wall to connect with the door 3, so that the door cylinder 31 is provided with negative pressure to contract the power end of the door cylinder 31 to automatically open the door 3. The side of the door frame 2 not hinged to the door 3 is further provided with a switch 34 for driving the door cylinder 31 to act, and the switch 34 can be used for controlling the door cylinder 31 to provide negative pressure or release negative pressure.
In order to enable the door leaf 3 to be automatically closed, an automatic door closer for driving the door leaf 3 to be automatically closed can be arranged on the door leaf, or a torsion spring (not shown) limited by the door leaf 3 and the door frame 2 is arranged on a hinged shaft; so that the door 3 can be automatically closed when the air pressure of the door cylinder 31 is restored.
When the door leaf 3 is in a closed state, the door leaf pulley 33 is positioned on one side of the opening direction of the door leaf 3, and the action direction of the door leaf cylinder 31 is positioned at the same height with the door leaf pulley 33 and the connecting points of the door leaf stay cable 32 and the door leaf 3, so that the tension loss is reduced; the power end of the door leaf cylinder 31 can be fixed on the roadway wall in a manner of pointing towards the door leaf 3 or back to the door leaf 3 as required, and the main concern here is the fixing position of the door leaf pulley 33.
A turning plate cylinder 41 pointing to the turning plates 4 is further fixedly arranged on the top plate of the roadway, turning plate pulleys 43 are respectively fixedly arranged on the roadway above the two turning plates 4, the two turning plates 4 are respectively connected with a turning plate cable 42, and the turning plate cables 42 are respectively wound around the turning plate pulleys 43 above and are fixedly matched with the power end of the turning plate cylinder 41, so that the two turning plates 4 are opened and closed simultaneously through the action of the turning plate cylinder 41; the turning plate 4 can be made of steel plates or wood plates which are common in mines, and in order to reduce the weight of the turning plate 4 and prevent people from being hurt by falling, the wood plate with the thickness of 60mm is preferably used.
When the air door structure is configured, a corresponding air passage and a control system can be independently configured for the flap cylinder 41, the door leaf cylinder 31 and the flap cylinder 41 are communicated through an air pipe 5 in the preferred embodiment, and when the door leaf cylinder 31 is in a negative pressure state, the flap cylinder 41 is also in a negative pressure state, so that the door leaf 3 and the flap 4 are synchronously opened or closed, and the linkage matching of the whole air door structure is realized; when the monorail crane passes through the air door, the air door can be opened and closed completely and conveniently, the operation is convenient, and the working efficiency is improved.
When the pedestrian normally enters or exits at ordinary times, the door leaf 3 can be directly pushed away manually, the door leaf cylinder 31 is not needed, and the air pipe 5 can be closed and only the door leaf cylinder 31 is opened when the door leaf 3 is not needed to be linked with the turning plate 4.
The turning plate 4 can be opened in a hinged rotation mode, referring to fig. 2, at this time, the turning plate pulley 43 is arranged between the turning plate 4 and the turning plate cylinder 41, and the turning plate cable 42 which bypasses the turning plate pulley 43 and is connected with the turning plate 4 is vertical to the turning plate 4; the turning plate guy cable 42 is connected below the turning plates 4 to increase the force arm, and the upper ends of the door frames 2 are provided with hinge shafts 22 which are respectively hinged and matched with the upper ends of the two turning plates 4.
The turning plate 4 can also change the matching state with the door frame 2 in a vertical sliding mode, referring to fig. 3, at the moment, a turning plate pulley 43 is arranged right above the two turning plates 4, a turning plate cable 42 bypasses the turning plate pulley 43 and is connected with the upper surface of the turning plate 4 along the vertical direction, in order to ensure the stability of the movement of the turning plate 4, two sides of the door frame 2 are respectively provided with a limiting groove 23 matched with one side, away from each other, of the two turning plates 4, and the door frame 2 cannot extend towards the door opening area to prevent the interference with the normal operation of the monorail crane, so that the limiting groove 23 can only wrap the partial position of the side surface of the turning plate 4, in order to further improve the stability of the vertical movement of the turning plate 4, a through groove (not shown) allowing the turning plate 4 to pass through in the vertical state can be further arranged on the top.
Claims (10)
1. The utility model provides an adapt to air door structure of monorail crane car which characterized in that: the device comprises a door frame with a top beam above a track, a door leaf for plugging a door opening below the track and two turning plates for plugging the door opening above the door leaf together, wherein a gap for avoiding the track is formed between the two turning plates; one side of the door leaf is hinged to the door frame, and the turning plate can move to open a door opening above the door leaf so as to avoid the monorail crane.
2. The damper structure for a monorail crane vehicle as defined in claim 1, wherein: and a door leaf cylinder is arranged on the side wall of the roadway at the hinged side of the door leaf, a door leaf cable is fixed at the power end of the door leaf cylinder, and the door leaf cable extends along the roadway wall and is connected with the door leaf by bypassing a door leaf pulley fixed on the roadway wall.
3. The damper structure for a monorail crane vehicle as defined in claim 2, wherein: when the door leaf is in a closed state, the door leaf pulley is positioned on one side of the opening direction of the door leaf; the acting direction of the door leaf cylinder is at the same height with the connecting points of the door leaf pulley, the door leaf stay cable and the door leaf, and the door leaf cylinder points to the door leaf or faces away from the door leaf.
4. The damper structure for a monorail crane vehicle as defined in claim 2, wherein: the tunnel roof is provided with the directional board cylinder that turns over, and two are turned over the tunnel roof of board top and are fixed with respectively and turn over the board pulley, and two are turned over the board, are connected with one respectively and turn over the board cable, and two are turned over the board cable and pass the board pulley that turns over of top respectively and turn over the power end fixed coordination of board cylinder.
5. The damper structure for a monorail crane vehicle as defined in claim 4, wherein: the turnover plate cylinder is communicated with the air door cylinder through an air pipe.
6. The damper structure for a monorail crane vehicle as defined in claim 4, wherein: the turning plate is hinged and matched with the door frame, the turning plate pulley is arranged between the turning plate and the turning plate cylinder, and the turning plate stay cable is vertically connected below the turning plate by bypassing the turning plate pulley; the upper end of the door frame is provided with a hinged shaft which is respectively hinged and matched with the upper ends of the two turning plates.
7. The damper structure for a monorail crane vehicle as defined in claim 4, wherein: the turnover plate is in sliding fit with the door frame along the vertical direction, the two turnover plate pulleys are arranged right above the two turnover plates respectively, the turnover plate stay cable bypasses the turnover plate pulleys to be connected with the upper surface of the turnover plate along the vertical direction, and the two sides of the door frame are provided with two limiting grooves matched with one sides of the turnover plates, which are away from each other.
8. A damper structure for a monorail crane vehicle as defined in any one of claims 2 to 7, wherein: and a switch for driving the air door cylinder to act is further arranged on one side of the door frame.
9. The damper structure for a monorail crane vehicle as defined in claim 1, wherein: the turning plate is a wood plate.
10. The damper structure for a monorail crane vehicle as defined in claim 1, wherein: and a torsional spring for driving the door leaf to close automatically is further arranged on the hinged shaft of the door leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020474274.5U CN212054767U (en) | 2020-04-02 | 2020-04-02 | Air door structure suitable for monorail crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020474274.5U CN212054767U (en) | 2020-04-02 | 2020-04-02 | Air door structure suitable for monorail crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212054767U true CN212054767U (en) | 2020-12-01 |
Family
ID=73541617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020474274.5U Active CN212054767U (en) | 2020-04-02 | 2020-04-02 | Air door structure suitable for monorail crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212054767U (en) |
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2020
- 2020-04-02 CN CN202020474274.5U patent/CN212054767U/en active Active
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