CN210564615U - Anti-headwind device - Google Patents
Anti-headwind device Download PDFInfo
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- CN210564615U CN210564615U CN201920852586.2U CN201920852586U CN210564615U CN 210564615 U CN210564615 U CN 210564615U CN 201920852586 U CN201920852586 U CN 201920852586U CN 210564615 U CN210564615 U CN 210564615U
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- windward plate
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Abstract
The utility model relates to a prevent contrary wind device. The anti-headwind device comprises a fixed frame fixed on a door wall, a windward plate is arranged on the fixed frame in a guiding sliding mode, a hoisting piece is further arranged on the fixed frame, a sealing plate used for blocking a ditch hole is hoisted on the hoisting piece, and a pushing piece used for pushing the hoisting piece to enable the hoisting piece to be separated from the fixed frame is further arranged on the fixed frame in a sliding mode. Above-mentioned technical scheme has solved the installation space that anti-headwind device among the prior art needs big and cause the less technical problem of application range.
Description
Technical Field
The utility model belongs to the technical field of coal mining, concretely relates to prevent headwind device.
Background
The gas outburst refers to geological damage caused by that a weak coal seam breaks through a resistance line and releases a large amount of gas and coal instantly under the action of the ground stress in the coal seam and the gravity released by the gas along with the increase of the coal mining depth and the increase of the gas content. Once a coal and gas outburst accident occurs, the ventilation system is easy to be blown against the wind and even the gas explodes. In order to avoid the accidents, most of mine anti-outburst doors are provided with a ditch anti-headwind device.
Prevent contrary wind device among the prior art and be chinese utility model patent of CN203939518U as the grant bulletin number shown, it discloses a prevent that contrary wind device is prevented to abrupt air door ditch, this prevent that contrary wind device is prevented to abrupt air door ditch includes the fixed link rod of fixed mounting on the door wall, fixed link rod's the other end passes through rotation axis and rotor plate (be windward the board) swing joint, fixed link rod below fixed mounting has longitudinal tie rod, the bottom fixed mounting of longitudinal tie rod has transverse tie rod, transverse tie rod's one end movable mounting has the connection rope, transverse tie rod's the other end outside cover is equipped with the guide way (be the top push member promptly), the below fixedly connected with deep bead of connection rope (be the closing plate promptly). When coal and gas outburst or explosion occurs in a mine, the rotating plate is enabled to rotate by strong airflow, the guide groove is pushed under the rotation of the rotating plate, the connecting rope is further pushed, the connecting rope is separated from the transverse connecting rod, and the connecting rope and the wind shield fall to the ditch together to seal and cover the outburst prevention air door. This prevent gushing out air door ditch and prevent upwind device and want to realize connecting the rope and break away from transverse connection pole and make the deep bead fall, need give the great rotation space of rotor plate, and the installation space on scene is limited, after the installation above-mentioned gushing out air door ditch prevents the upwind device, the rotation range of rotor plate probably is not enough to make the guide way remove to connecting rope department, and then can't promote to connect the rope and break away from transverse connection pole, causes to prevent gushing out air door ditch and prevents that the upwind device uses limitedly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent headwind device to the installation space who prevents headwind device needs among the solution prior art is big and causes the less technical problem of application range.
In order to achieve the above object, the utility model provides a prevent headwind device's technical scheme is:
an anti-headwind apparatus, comprising:
the fixing frame is used for being fixed on the door wall;
the windward plate is assembled on the fixed frame;
the closing plate is hoisted on the fixed frame through the hoisting piece and falls to block the ditch hole;
the jacking piece is assembled on the fixed frame in a guiding and sliding manner, and the windward plate drives the jacking lifting piece to separate the lifting piece from the fixed frame;
the windward plate is assembled on the fixed frame in a guiding and sliding manner.
Has the advantages that: the utility model provides a prevent contrary wind device produces the impact force to the windward plate through the windward flow, makes the windward plate along the rectilinear movement of horizontal direction on the mount to promote the top and push away piece along horizontal direction roof pressure hoist and mount piece, and then make hoist and mount piece break away from the mount and make the closure plate whereabouts shutoff ditch hole. Because the windward plate direction assembly is on the mount, and the windward plate is linear motion under the windward impact, does not take place the swing or rotate, consequently does not need great installation space, can reduce the restriction of on-the-spot installation environment, makes the utility model provides a prevent contrary wind device's application scope is bigger.
Preferably, the pushing piece is a push rod horizontally fixed on the windward plate, and the windward plate is assembled on the fixed frame in a sliding manner through the guide of the push rod.
Has the advantages that: the ejector rod is simple in structure and convenient to assemble, the windward plate is assembled on the fixing frame through the guide of the ejector rod, the structure of the windward plate does not need to be complicated, and the windward plate is convenient to process.
Further, the ejector rod is fixed at the center of the windward plate.
Has the advantages that: the ejector rod is fixed at the center of the windward plate, so that when the windward plate is impacted by wind flow to press the ejector rod, the ejector rod is stressed more uniformly.
Preferably, the hoisting piece comprises a pressure piece which is assembled on the fixed frame in a guiding sliding mode and is in pushing fit with the pushing piece, the hoisting piece further comprises a hoisting flexible piece which is connected with the pressure piece and the closing plate, the pressure piece is provided with a pressure end which is used for being in transmission fit with the windward plate, and after the windward plate is pressed to move, the pressure piece is pushed by the pushing piece to be separated from the fixed frame so that the closing plate falls.
Has the advantages that: the lifting device has the advantages that the whole lifting piece can be separated from the fixed frame by pushing the pressed piece through the pushing piece, the pressed piece is assembled on the fixed frame in a guiding and sliding mode, and the pressed piece is separated from the fixed frame after being pushed by the pushing piece, so that the lifting device is quicker in response compared with a flexible piece.
Furthermore, the fixed frame comprises a frame body and a fixed cylinder, the pressed part is a pin shaft which is assembled at one end of the fixed cylinder in a guiding and sliding mode, and a jacking end which is used for jacking the pin shaft on the jacking part is inserted into the fixed cylinder in a guiding mode.
Has the advantages that: the shape adaptation of round pin axle and fixed cylinder, when pushing away the ejector pad and pushing away the round pin axle, difficult round pin axle jamming appears, the round pin axle of being convenient for leads in the fixed cylinder and removes.
Further, the support body comprises a horizontal fixing rod and a vertical fixing rod, the horizontal fixing rod is perpendicular to the door wall and fixed with the horizontal fixing rod, and the fixing barrel is fixed on the horizontal fixing rod.
Has the advantages that: the fixing frame can be prevented from rotating and being separated from the door wall, and the fixing stability of the fixing frame is ensured.
Furthermore, a limiting part used for limiting the windward plate to be separated from the fixing frame is arranged on the windward plate.
Has the advantages that: the locating part can prevent that the windward plate breaks away from the mount under normal condition, and then guarantees when meetting the mine and taking place coal and gas outburst or explosion, and whole anti-headwind device can normal use.
Furthermore, the limiting part is an anti-drop flexible part, one end of the anti-drop flexible part is fixed on the windward plate, and the other end of the anti-drop flexible part is fixed on a door wall or a fixed frame.
Has the advantages that: the anti-falling flexible piece is more convenient to adjust and mount.
Further, the anti-drop flexible pieces are arranged in pairs and are symmetrical about the central axis of the windward plate.
Has the advantages that: the windward plate is further ensured to fall off, and meanwhile, when the windward plate is impacted by wind current, the stress is more uniform.
Drawings
Fig. 1 is a schematic structural diagram of the headwind prevention device provided by the utility model;
fig. 2 is a front view of the fixing frame in the anti-headwind device provided by the present invention;
fig. 3 is a top view of the fixing frame of the anti-headwind device provided by the present invention;
fig. 4 is a left side view of the fixing frame in the anti-headwind device provided by the present invention;
fig. 5 is a schematic view of the connection between the windward plate and the ejector rod in the anti-headwind device provided by the present invention;
fig. 6 is a front view of fig. 5.
Description of reference numerals: 1-a fixed frame, 2-a fixed cylinder, 3-a frame body, 4-a windward plate, 5-a mandril, 6-a pin shaft, 7-a connecting rope, 8-a sealing plate, 9-a horizontal fixed rod, 10-a vertical fixed rod and 11-a screw cap.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
The utility model provides a prevent contrary wind device's concrete embodiment:
as shown in fig. 1, 2, 3 and 4, the anti-headwind device includes a fixing frame 1 fixed on a door wall, the fixing frame 1 includes a frame body 3 and a fixing cylinder 2 welded with the frame body 3, the fixing cylinder 2 is a galvanized pipe; the support body 3 comprises a horizontal fixing rod 9 fixed in the direction perpendicular to the door wall and a vertical fixing rod 10 vertically welded with the horizontal fixing rod 9, wherein the vertical fixing rod 10 is made of flat iron, the horizontal fixing rod is made of a galvanized pipe, and the fixing barrel 2 is fixedly welded on the horizontal fixing rod 9.
As shown in fig. 1, 5 and 6, the anti-headwind device further comprises a windward plate 4 with a circular cross section, the windward plate is a thick checkered plate, a top rod 5 is connected to the center of the windward plate 4 in the horizontal direction, the top rod 5 is solid round steel, one end, far away from the windward plate 4, of the top rod 5 is a top pressing end, and the top pressing end is inserted into the fixed cylinder 2 in a guiding manner. The windward plate 4 is symmetrically provided with a pair of nuts 11 along the central axis thereof, the windward plate 4 is further provided with a limiting part for limiting the windward plate to be separated from the fixing frame, the limiting part is an anti-falling flexible part, and the anti-falling flexible part adopts a chain (not shown in the figure) and is arranged in pairs corresponding to the nuts, so that the adjustment and installation are convenient. One end of the chain is fixed on the nut 11, and the other end is fixed on the horizontal fixing rod 9 to prevent the windward plate 4 from being separated from the whole fixing frame 1, although in other embodiments, the anti-drop flexible member may also be a rope, a belt, etc.
As shown in fig. 1, the anti-headwind device further comprises a closing plate 8 and a hoisting piece for hoisting the closing plate 8, wherein the hoisting piece comprises a pressure piece which is assembled in the fixed cylinder 2 in a guiding and sliding manner and a hoisting flexible piece which is connected with the pressure piece and the closing plate 8. Specifically, in this embodiment, the pressure receiving member is a pin shaft 6 slidably assembled at one end of the fixed cylinder 2 in a guiding manner, the ejector rod 5 is in press fit with the pin shaft 6, the pin shaft 6 is in transmission fit with the ejector rod 5, a hanging hole (not shown in the figure) is formed in one end of the pin shaft 6, which is far away from the ejector rod 5, and the hoisting flexible member is hung in the hanging hole. The hoisting flexible part is a connecting rope 7 hooked on the pin shaft 6.
When the coal and gas outburst power phenomenon occurs, the windward plate 4 moves towards the direction of a door wall under the impact force of air flow, under the pushing action of the windward plate 4, the jacking end of the ejector rod 5 moves in the fixed cylinder 2 in a guiding mode along the axis direction of the fixed cylinder 2 and jacks the stressed end of the pin shaft 6, the pin shaft 6 moves in a guiding mode along the axis direction of the fixed cylinder 2 under the pushing action of the ejector rod 5 until the pin shaft 6 is separated from the fixed cylinder 2, at the moment, the sealing plate 8 falls under the action of self gravity to seal the ditch hole, and therefore the effect of preventing the wind flow from reversing is achieved.
In the above-mentioned embodiment, hoist and mount piece is including the pressure piece and the hoist and mount flexible piece of articulate on the pressure piece, makes whole hoist and mount piece break away from the solid fixed cylinder completely through ejector pin roof pressure piece, realizes falling of closing plate, and in other embodiments, hoist and mount piece can only have this part of pressure piece, and the closing plate can directly be hooked on the pressure piece this moment, makes the pressure piece break away from the solid fixed cylinder and then realize falling of closing plate through ejector pin roof pressure piece.
In the above embodiment, the hoisting member is slidably mounted on the fixing frame in a guiding manner, in other embodiments, the hoisting member may also be fixedly connected to the fixing frame, at this time, the hoisting member may include an L-shaped member and a wire rope sleeved on the L-shaped member, the L-shaped member has a vertical portion perpendicular to the frame body and a horizontal portion parallel to the axial direction of the fixing cylinder, the wire rope is sleeved on the horizontal portion, and the closing plate is hung on the wire rope; correspondingly, the length of the ejector rod is long enough to ensure that when the windward plate is impacted by wind flow to push the ejector rod to move in the fixed cylinder in a guiding way, the jacking end of the ejector rod can jack the steel wire rope and jack the steel wire rope to enable the steel wire rope to fall off from the horizontal part of the L-shaped part, so that the sealing plate falls down to seal the ditch hole. Or in other embodiments, the closing plate is directly hung on the fixed frame, namely the fixed frame is provided with a lifting hook, the closing plate is provided with a lifting ring matched with the lifting hook, and the jacking end of the jacking rod jacks the lifting ring to enable the lifting ring to fall off from the lifting hook, so that the closing plate falls down to close the ditch hole.
In the above embodiments, the fixing frame includes the fixing cylinder and the frame body formed by the horizontal fixing rod and the vertical fixing rod, in other embodiments, the fixing frame may also adopt other forms, for example, a frame structure may be adopted.
In the above embodiments, the ejector rod is fixed at the central position of the windward plate, and in other embodiments, the ejector rod may also be fixed at other positions of the windward plate, for example, the ejector rod may be arranged deviating from the central axis of the ejector rod, as long as the ejector rod can be driven to move by the impact of the wind flow on the windward plate.
In the above embodiments, the hoisting flexible member is a connecting rope, and in other embodiments, the hoisting flexible member may also be a chain or a connecting belt.
In the above embodiments, the compression element is in the form of a pin, and in other embodiments, the compression element may also be a rod capable of sliding in the fixed cylinder, or a tube with one end plugged, as long as it can realize guiding movement in the fixed cylinder.
In the above embodiments, the windward plate is slidably assembled on the fixing frame through the guide of the ejector rod, and in other embodiments, the windward plate and the ejector rod can also be made into an integrated structure and assembled on the fixing frame in a guide manner. Or the ejector rod and the windward plate can be of a split structure, a guide structure is required to be arranged on the windward plate at the moment, for example, the windward plate can be guided and hung on the fixed frame, the ejector rod is inserted into the fixed cylinder, the windward plate slides relative to the fixed frame after being impacted by wind flow, so that pressure is applied to the ejector rod, and the ejector rod pushes the pin shaft to move.
In the above embodiments, the windward plate is provided with the limiting member for limiting the windward plate to be separated from the fixing frame, and in other embodiments, the windward plate may not be provided with the limiting member.
In the above embodiment, one end of the anti-slip flexible member is fixed to the fixing frame to prevent the windward plate from being detached from the fixing frame, and in other embodiments, the end of the anti-slip flexible member may be fixed to the door wall. Of course, the anti-dropping flexible members may not be provided in pairs, but may be provided in odd numbers uniformly in the circumferential direction of the windward plate.
Claims (9)
1. An anti-headwind apparatus, comprising:
the fixing frame is used for being fixed on the door wall;
the windward plate is assembled on the fixed frame;
the closing plate is hoisted on the fixed frame through the hoisting piece and falls to block the ditch hole;
the jacking piece is assembled on the fixed frame in a guiding and sliding manner, and the windward plate drives the jacking lifting piece to separate the lifting piece from the fixed frame;
the method is characterized in that: the windward plate is assembled on the fixed frame in a guiding and sliding manner.
2. The headwind prevention device according to claim 1, wherein: the pushing piece is a push rod horizontally fixed on the windward plate, and the windward plate is assembled on the fixed frame in a sliding mode through the guide of the push rod.
3. The headwind prevention device according to claim 2, wherein: the ejector rod is fixed at the center of the windward plate.
4. The headwind prevention device according to claim 1, 2 or 3, wherein: the hoisting piece comprises a pressure piece which is assembled on the fixed frame in a guiding and sliding mode and is matched with the pushing piece in a pushing mode, the hoisting piece further comprises a hoisting flexible piece which is connected with the pressure piece and the sealing plate, the pressure piece is provided with a pressure end which is used for being in transmission fit with the windward plate, and after the windward plate is pressed to move, the pressure piece is pushed by the pushing piece to be separated from the fixed frame so that the sealing plate falls.
5. The headwind prevention device according to claim 4, wherein: the fixed frame comprises a frame body and a fixed cylinder, the pressed part is a pin shaft which is assembled at one end of the fixed cylinder in a guiding and sliding mode, and a jacking end which is used for jacking the pin shaft on the jacking part is inserted into the fixed cylinder in a guiding mode.
6. The headwind prevention device according to claim 5, wherein: the support body includes the fixed horizontal fixing pole of perpendicular to door wall and the vertical dead lever fixed with horizontal fixing pole, a fixed section of thick bamboo is fixed on horizontal fixing pole.
7. The headwind prevention device according to claim 1 or 2, wherein: and the windward plate is provided with a limiting part for limiting the windward plate to be separated from the fixing frame.
8. The headwind prevention device according to claim 7, wherein: the limiting piece is an anti-falling flexible piece, one end of the anti-falling flexible piece is fixed on the windward plate, and the other end of the anti-falling flexible piece is fixed on a door wall or a fixed frame.
9. The headwind prevention device according to claim 8, wherein: the anti-drop flexible pieces are arranged in pairs and are symmetrical about the central axis of the windward plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920852586.2U CN210564615U (en) | 2019-06-06 | 2019-06-06 | Anti-headwind device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920852586.2U CN210564615U (en) | 2019-06-06 | 2019-06-06 | Anti-headwind device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210564615U true CN210564615U (en) | 2020-05-19 |
Family
ID=70639226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920852586.2U Expired - Fee Related CN210564615U (en) | 2019-06-06 | 2019-06-06 | Anti-headwind device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210564615U (en) |
-
2019
- 2019-06-06 CN CN201920852586.2U patent/CN210564615U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 Termination date: 20210606 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |