CN210858780U - A flexible dryer for colliery tunnelling working face - Google Patents
A flexible dryer for colliery tunnelling working face Download PDFInfo
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- CN210858780U CN210858780U CN201921597774.1U CN201921597774U CN210858780U CN 210858780 U CN210858780 U CN 210858780U CN 201921597774 U CN201921597774 U CN 201921597774U CN 210858780 U CN210858780 U CN 210858780U
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- air duct
- negative pressure
- fixed
- chute
- pressure air
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Abstract
The utility model provides a flexible dryer for colliery tunnelling working face, include: the negative pressure air duct, the telescopic frame body and the fixing mechanism comprise a vertical chute and a slide block positioned in the chute; the telescopic frame body comprises a plurality of sections of X-shaped supports, the upper end and the lower end of each two adjacent sections of X-shaped supports are correspondingly hinged, the overlapped part of two supporting rods of each section of X-shaped support is hinged, one end of the X-shaped support at the head end is fixed in the sliding chute, and the other end of the X-shaped support at the head end is fixed on the sliding block; steel rings are arranged in the negative pressure air duct, and the tops of two adjacent sections of X-shaped supports are connected with the top end of one steel ring. The utility model provides a need the problem of hanging when the flexible dryer that is used for colliery tunnelling working face uses, save the amount of labour, improve work efficiency.
Description
Technical Field
The utility model relates to a tunnelling working face ventilation equipment field in the pit, in particular to a flexible dryer for colliery tunnelling working face.
Background
A large amount of dust is generated in the production process of the underground tunneling working face, and the tunneling working face adopts press-in type air supply. According to the regulation of coal mine safety regulations, the distance between an air duct of a tunneling working face and the head-on is not more than 5 meters, and once the tunneling working face is more than 5 meters, the air duct needs to be extended. The telescopic wind tube used for the current tunneling working face needs to be hung, otherwise, the stretching of the telescopic wind tube can be realized only by moving each hanging point, and the tunneling working face cannot construct and hang fixed points in advance in the normal construction process, so that the stretching of the telescopic wind tube used at present needs to be implemented by professional personnel. In addition, the stretching of the telescopic air duct can not meet the requirement of distance, and the short air ducts need to be switched back and forth, so that the workload is increased, and the working efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
For solving the problem that is used for the flexible dryer of colliery tunnelling working face to exist among the prior art, the utility model provides a flexible dryer for colliery tunnelling working face.
The technical scheme of the utility model is realized like this:
a telescopic air duct for a coal mine driving face comprises: the negative pressure air duct, the telescopic frame body and the fixing mechanism comprise a vertical chute and a slide block positioned in the chute; the telescopic frame body comprises a plurality of sections of X-shaped supports, the upper end and the lower end of each two adjacent sections of X-shaped supports are correspondingly hinged, the overlapped part of two supporting rods of each section of X-shaped support is hinged, one end of the X-shaped support at the head end is fixed in the sliding chute, and the other end of the X-shaped support at the head end is fixed on the sliding block; steel rings are arranged in the negative pressure air duct, and the tops of two adjacent sections of X-shaped supports are connected with the top end of one steel ring.
Preferably, the fixing mechanism further comprises a top support rod and a reinforcing rod, one end of the top support rod is fixed at the top end of the sliding chute, the other end of the top support rod is along the stretching direction of the negative pressure air duct, and two long slotted holes are formed in the top support rod; the reinforcing rod is fixed between the top supporting rod and the sliding groove.
Preferably, the X-shaped bracket at the tail end has no outer lower end, and the outer upper end is hinged with a vertical downward air duct handle.
Preferably, one or more diffusion holes are arranged on the side wall of the tail end of the negative pressure air duct.
Preferably, one end of the X-shaped bracket at the head end is fixed at the top in the sliding groove, and the other end of the X-shaped bracket is fixed on the sliding block.
Preferably, the bottom end of the air duct handle is positioned outside the negative pressure air duct.
The utility model has the advantages that: the utility model discloses a flexible dryer for colliery tunnelling working face, a steel ring in the negative pressure dryer is connected with the top of two sections adjacent X shape supports, and the direct tensile flexible support body realizes the flexible of negative pressure dryer, need not hang the negative pressure dryer after can stretch out and draw back, avoids hanging the fixed point in tunnelling working face setting, need not use professional just can implement the negative pressure dryer flexible. The utility model discloses a flexible dryer for colliery tunnelling working face simple structure is applicable to the tunnelling working face and uses, and convenient operation saves work load, improves work efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is an extended schematic view of the utility model of the telescopic wind tunnel used for the coal mine driving face;
FIG. 2 is a schematic structural view of the securing mechanism shown in FIG. 1;
fig. 3 is a schematic drawing showing the shrinkage of the telescopic wind tunnel for coal mine driving face.
In the figure:
1. a negative pressure wind cylinder; 2. a telescopic frame body; 3. a fixing mechanism; 31. a chute; 32. a slider; 33. a top prop rod; 34. a reinforcing rod; 35. a long slot hole; 4. a diffusion hole; 5. air duct handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example (b): as shown in fig. 1 to 3, a telescopic air duct for a coal mine driving face comprises: the negative pressure air duct 1, the telescopic frame body 2 and the fixing mechanism 3, wherein the fixing mechanism 3 comprises a vertical chute 31 and a slide block 32 positioned in the chute; the telescopic frame body 2 comprises a plurality of sections of X-shaped supports, the upper ends and the lower ends of two adjacent sections of X-shaped supports are correspondingly hinged, the overlapped part of two supporting rods of each section of X-shaped support is hinged, one end of the X-shaped support at the head end is fixed at the top in the sliding chute, and the other end of the X-shaped support at the head end is fixed on the sliding block; steel rings are arranged in the negative pressure air duct 1, and the tops of two adjacent sections of X-shaped supports are connected with the top end of one steel ring.
The fixing mechanism 3 further comprises a top support rod 33 and a reinforcing rod 34, one end of the top support rod 33 is fixed at the top end of the sliding groove, the other end of the top support rod is along the stretching direction of the negative pressure air duct, and two long slotted holes 35 are formed in the top support rod; the reinforcing rod 34 is fixed between the top support rod and the chute; for enhancing the structural strength and stability of the securing mechanism.
The X-shaped bracket at the tail end has no outer lower end, and the outer upper end is hinged with a vertical downward air duct handle. The bottom of dryer handle is located the negative pressure dryer outside for direct manual tensile dryer. Two ends of the X-shaped support at the head end are respectively fixed on the sliding chute and the sliding block, one end of the X-shaped support is fixed, and the other end of the X-shaped support slides to realize the extension and retraction of the X-shaped support; the stretching and the compression of a plurality of sections of X-shaped supports realize the stretching.
One or more diffusion holes 4 are formed in the side wall of the tail end of the negative pressure air duct 1, so that the effect of air flow diffusion is achieved, and coal dust flying caused by direct blowing of the air flow is avoided. The number and diameter of the diffusion holes can be specifically designed according to actual conditions. The inside steel ring that is of negative pressure dryer look, the outside is the canvas, and a plurality of steel ring distributes and forms the negative pressure dryer in the canvas.
When the negative pressure air duct is used, 1-2 meters of steel ring at the connecting port of the negative pressure air duct is reserved and connected with the positive pressure air duct, the steel ring at the end part of the negative pressure air duct is in mutual clamping connection with the steel ring of the positive pressure air duct, and the positive pressure air duct is connected with the negative pressure air duct; the long operating hole on the top support rod of the fixing mechanism is used for being fixed with an anchor rod and an anchor cable of the tunneling working surface; when the handle of the air duct is stretched, the sliding block moves upwards in the sliding groove, so that the X-shaped support is stretched; when the air duct handle is compressed, the sliding block moves downwards in the sliding groove, so that the X-shaped support is contracted, when the sliding block is arranged at the lowest end of the sliding groove, the X-shaped support is contracted to the limit, and the negative pressure air duct is directly stretched by drawing the air duct handle; the fixing mechanism is located at the reserved section of the negative pressure air duct, the fixing mechanism needs to penetrate out of the negative pressure air duct, and the perforated part is sealed to prevent air leakage. In the using process, hanging is not needed, and the operation is easy.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a flexible dryer for colliery tunnelling working face which characterized in that includes: the negative pressure air duct, the telescopic frame body and the fixing mechanism comprise a vertical chute and a slide block positioned in the chute; the telescopic frame body comprises a plurality of sections of X-shaped supports, the upper end and the lower end of each two adjacent sections of X-shaped supports are correspondingly hinged, the overlapped part of two supporting rods of each section of X-shaped support is hinged, one end of the X-shaped support at the head end is fixed in the sliding chute, and the other end of the X-shaped support at the head end is fixed on the sliding block; steel rings are arranged in the negative pressure air duct, and the tops of two adjacent sections of X-shaped supports are connected with the top end of one steel ring.
2. The telescopic air duct for the coal mine driving face according to claim 1, wherein the fixing mechanism further comprises a top support rod and a reinforcing rod, one end of the top support rod is fixed at the top end of the chute, the other end of the top support rod is along the stretching direction of the negative pressure air duct, and two long slotted holes are formed in the top support rod; the reinforcing rod is fixed between the top supporting rod and the sliding groove.
3. A telescoping air duct for a coal mine working face as claimed in claim 1 wherein the terminal X-shaped bracket has no outer lower end and the outer upper end is hinged to a vertically downward air duct catch.
4. The telescopic air duct for the coal mine driving face according to claim 1, wherein one or more than one diffusion hole is formed in the side wall of the tail end of the negative pressure air duct.
5. The telescopic air duct for the coal mine driving face according to claim 1, wherein one end of the X-shaped support at the head end is fixed at the top in the chute, and the other end is fixed on the sliding block.
6. The telescopic air duct for the coal mine driving face according to claim 3, wherein the bottom end of the air duct handle is positioned outside the negative pressure air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921597774.1U CN210858780U (en) | 2019-09-25 | 2019-09-25 | A flexible dryer for colliery tunnelling working face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921597774.1U CN210858780U (en) | 2019-09-25 | 2019-09-25 | A flexible dryer for colliery tunnelling working face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210858780U true CN210858780U (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921597774.1U Expired - Fee Related CN210858780U (en) | 2019-09-25 | 2019-09-25 | A flexible dryer for colliery tunnelling working face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210858780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282230A (en) * | 2020-11-25 | 2021-01-29 | 东北大学 | Step-shaped pedestrian step ladder and carrying ramp conversion device and use method |
-
2019
- 2019-09-25 CN CN201921597774.1U patent/CN210858780U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282230A (en) * | 2020-11-25 | 2021-01-29 | 东北大学 | Step-shaped pedestrian step ladder and carrying ramp conversion device and use method |
| CN112282230B (en) * | 2020-11-25 | 2022-03-01 | 东北大学 | Step-shaped pedestrian step ladder and carrying ramp conversion device and use method |
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| 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: 20200626 Termination date: 20210925 |
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| CF01 | Termination of patent right due to non-payment of annual fee |