CN215633100U - Explosion-proof dry powder remote conveying device - Google Patents
Explosion-proof dry powder remote conveying device Download PDFInfo
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- CN215633100U CN215633100U CN202121833846.5U CN202121833846U CN215633100U CN 215633100 U CN215633100 U CN 215633100U CN 202121833846 U CN202121833846 U CN 202121833846U CN 215633100 U CN215633100 U CN 215633100U
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Abstract
The utility model provides an explosion-proof dry powder remote conveying device, which belongs to the technical field of mine equipment and comprises a dust collection box and a plurality of transfer boxes which are sequentially connected together along a conveying direction, wherein the upper part of the dust collection box is provided with a first feeding hole; the utility model can not only carry out long-distance conveying and slag discharging on the coal powder generated by drilling along the layer hole in the coal mine underground gas treatment, but also greatly reduce the labor intensity of underground workers, reduce the underground operation workers and improve the working efficiency and the safety.
Description
Technical Field
The utility model relates to the technical field of mine equipment, in particular to an explosion-proof dry powder long-distance conveying device.
Background
The gas overrun and gas accumulation frequency in the underground coal mine are frequent, and even gas explosion occurs in some underground coal mines, so that the life safety of workers and the safety production of coal mines are seriously threatened. The bedding long drilling gas drainage technology is one of the most advanced drainage modes at home and abroad at present, and great progress has been made in the aspects of construction equipment, technology and drainage process through years of exploration and research.
A large amount of coal cinder and coal dust are generated in the process of treating the coal mine underground gas by using the bedding long drilling gas drainage technology, and the coal cinder and the coal dust need to be timely conveyed out. However, at present, coal cinder and coal dust are generally conveyed out by a manual method, so that a large number of workers are required to carry out underground operation, and the workers have high labor intensity, low efficiency and low safety. Although the shaftless auger conveying equipment can convey granular and powdery materials in the civil field, the shaftless auger conveying equipment is not suitable for underground operation of coal mines. Therefore, it is necessary to develop a new device capable of remotely conveying the coal cinder and the coal powder in the coal mine.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides an explosion-proof dry powder long-distance conveying device, which not only can remotely convey and slag out pulverized coal generated by drilling a down-hole in coal mine gas treatment, but also can greatly reduce the labor intensity of underground workers, reduce the number of underground operation workers, and improve the working efficiency and safety.
In order to solve the technical problem, the utility model provides an explosion-proof dry powder remote conveying device which comprises a dust collection box and a plurality of transfer boxes which are sequentially connected together along a conveying direction, wherein a first feed inlet is formed in the upper part of the dust collection box, the dust collection box is communicated with the adjacent transfer boxes through a first flexible auger conveying mechanism, the feed end and the discharge end of the first flexible auger conveying mechanism are respectively positioned in the dust collection box and the transfer boxes adjacent to the dust collection box, a second flexible auger conveying mechanism is respectively arranged on each transfer box, the feed end of each second flexible auger conveying mechanism is positioned at the bottom of the inner side of the corresponding transfer box, the discharge end of each second flexible auger conveying mechanism is positioned at the bottom of the downstream end in the conveying direction, and the adjacent two transfer boxes are communicated through a second flexible auger conveying mechanism positioned on the upstream transfer box, the discharge end of the second flexible auger conveying mechanism positioned on the upstream transit box is communicated with the upper part of the inner side of the downstream transit box.
Further, first flexible auger conveying mechanism includes first pipeline, first flexible auger, first connecting axle and first driving motor, first driving motor set up with the outside of the adjacent transfer case of dust collection box, the one end of first pipeline stretches into just be provided with first auger feed inlet in the dust collection box, the other end of first pipeline with the adjacent transfer case of dust collection box is linked together, first connecting axle with first driving motor's output is connected just first connecting axle stretch into with in the adjacent transfer case of dust collection box, the one end of first flexible auger is rotated and is set up and stretching into the dust collection box the one end of first pipeline, the other end of first flexible auger with first connecting axle fixed connection.
Further, the first pipeline comprises a fixed pipeline and a connecting pipeline, one end of the fixed pipeline is arranged inside the dust collection box, the other end of the fixed pipeline extends out of the dust collection box and is connected with one end of the connecting pipeline through a connecting flange, the other end of the connecting pipeline is fixedly connected to the transfer box, and the first auger feeding port is arranged on the fixed pipeline.
Further, the first driving motor is an explosion-proof hydraulic motor, or an electric motor, or a pneumatic motor.
Further, the flexible auger conveying mechanism of second includes second pipeline, the flexible auger of second, second connecting axle and second driving motor, second driving motor sets up the outside at corresponding transfer case, the one end of second pipeline stretches into corresponding transfer incasement and is provided with second auger feed inlet, corresponding transfer case is stretched out to the other end of second pipeline, the second connecting axle with second driving motor's output is connected just the second connecting axle stretches into corresponding transfer incasement, the one end of the flexible auger of second is fixed to be set up on the second connecting axle, the other end of the flexible auger of second rotates and sets up the outer end of second pipeline, the outer end bottom of second pipeline is provided with the discharge gate.
Further, the second driving motor is an explosion-proof hydraulic motor, or an electric motor, or a pneumatic motor.
Furthermore, a first access window is formed in the top of the dust collection box, and a first access cover is mounted on the first access window.
Further, a second access window is formed in the top of the transfer box, and a second access cover is installed on the second access window.
Further, the dust collection box comprises a box body and a first support arranged at the bottom of the box body, and the bottom of the box body is arc-shaped.
Further, the bottom of transfer case is provided with the second support.
Further, the number of the transfer boxes increases according to an increase in the conveying distance.
Furthermore, the first driving motor and the second driving motor adopt explosion-proof hydraulic motors, a hydraulic balance valve is arranged on the transfer box, and the hydraulic balance valve is used for controlling the oil pressure of the first driving motor and the oil pressure of the second driving motor on the transfer box to be equal.
The technical scheme of the utility model has the following beneficial effects:
1. the utility model is provided with the transfer box, the first flexible auger conveying mechanism and the second flexible auger conveying mechanism are connected and powered by the transfer box, and the number of the transfer box and the second flexible auger conveying mechanism can be increased according to the conveying distance so as to increase the conveying distance.
2. When the first driving motor and the second driving motor adopt explosion-proof hydraulic motors, the hydraulic balance valve is arranged on the transfer box and used for controlling the oil pressure of the first driving motor and the oil pressure of the second driving motor on the transfer box to be equal, so that the problem that the rotating speeds of the two hydraulic motors are different due to unbalanced oil pressure is solved.
3. The utility model can not only carry out long-distance conveying and slag discharging on the coal powder generated by drilling along the layer hole in the coal mine underground gas treatment, but also greatly reduce the labor intensity of underground workers, reduce the underground operation workers and improve the working efficiency and the safety.
Drawings
FIG. 1 is a schematic structural diagram of an explosion-proof remote dry powder delivery device according to the present invention;
reference numerals:
a dust collection box 1; a transfer case 2; a first feed port 3; a first flexible auger conveying mechanism 4; a second flexible auger conveying mechanism 5; a first duct 6; a first flexible auger 7; a first connecting shaft 8; a first drive motor 9; a first auger feed port 10; a fixed pipe 11; a connecting pipe 12; a connecting flange 13; a second duct 14; a second flexible auger 15; a second connecting shaft 16; the second drive motor 17; a second auger feed inlet 18; a discharge port 19; a first access cover 20; a second access cover 21; a case 22; a first bracket 23; a second bracket 24; a hydraulic balancing valve 25.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model, are within the scope of the utility model.
As shown in fig. 1: the utility model provides an explosion-proof long distance conveyor of dry powder, includes along dust collection box and a plurality of transfer case that direction of delivery links gradually together, the upper portion of dust collection box sets up first feed inlet, be linked together through first flexible auger conveying mechanism between dust collection box and the adjacent transfer case, first flexible auger conveying mechanism's feed end and discharge end are located respectively dust collection box and with in the transfer case that dust collection box is adjacent, set up a flexible auger conveying mechanism of second on every transfer case respectively, every flexible auger conveying mechanism's of second feed end is located the inboard bottom of corresponding transfer case, and every flexible auger conveying mechanism's discharge end is located direction of delivery's downflow end bottom, is linked together through the flexible auger conveying mechanism of second on the transfer case that is located the upflow between two adjacent transfer cases, and the discharge end intercommunication that is located the flexible auger conveying mechanism of second on the transfer case of upflow sets up the inboard of the transfer case that is located the downflow An upper portion.
Particularly, as shown in fig. 1, an explosion-proof remote dry powder conveying device comprises a dust collection box 1 and a transfer box 2 which are sequentially connected together along a conveying direction, wherein a first feed inlet 3 is formed in the upper part of the dust collection box 1, the dust collection box 1 is communicated with the transfer box 2 through a first flexible auger conveying mechanism 4, the feed end and the discharge end of the first flexible auger conveying mechanism 4 are respectively located in the dust collection box 1 and the transfer box 2, a second flexible auger conveying mechanism 5 is arranged on the transfer box 2, the feed end of the second flexible auger conveying mechanism 5 is located at the bottom of the inner side of the transfer box 2, and the discharge end of the second flexible auger conveying mechanism 5 is located at the bottom of the downstream end of the conveying direction.
In this embodiment, the number of the transfer boxes 2 is one, and it is obvious that the number of the transfer boxes 2 may be increased according to the increase of the conveying distance of the dry powder, so as to increase the conveying distance, for example, the number of the transfer boxes may be set to two, three, four, five, etc. When the number of the transit boxes 2 is two or more, the dust collection boxes 1 are communicated with the adjacent transit boxes 2 through the first flexible auger conveying mechanism 4, the feed end and the discharge end of the first flexible auger conveying mechanism 4 are respectively located in the dust collection box 1 and the transfer box 2 adjacent to the dust collection box 1, a second flexible auger conveying mechanism 5 is respectively arranged on each transfer box 2, the feed end of each second flexible auger conveying mechanism 5 is located at the bottom of the inner side of the corresponding transfer box 2, the discharge end of each second flexible auger conveying mechanism 5 is located at the bottom of the lower flow end of the conveying direction, the two adjacent transfer boxes are communicated with each other through the second flexible auger conveying mechanism located on the upstream transfer box, and the discharge end of the second flexible auger conveying mechanism located on the upstream transfer box is communicated with the upper portion of the inner side of the downstream transfer box.
According to an embodiment of the present invention, as shown in fig. 1, the first flexible screw conveyor 4 includes a first pipe 6, a first flexible screw 7, a first connecting shaft 8 and a first driving motor 9, the first driving motor 9 is disposed outside the transit box 2, one end of the first pipe 6 extends into the dust collection box 1 and is provided with a first screw feed inlet 10, the other end of the first pipe 6 is communicated with the transit box 2, the first connecting shaft 8 is connected to an output end of the first driving motor 9, the first connecting shaft 8 extends into the transit box 2, one end of the first flexible screw 7 is rotatably disposed at one end of the first pipe 6 extending into the dust collection box 1, and the other end of the first flexible screw 7 is fixedly connected to the first connecting shaft 8.
According to an embodiment of the present invention, as shown in fig. 1, the first duct 6 includes a fixed duct 11 and a connection duct 12, one end of the fixed duct 11 is disposed inside the dust box 1, the other end of the fixed duct 11 extends out of the dust box 1 and is connected to one end of the connection duct 12 through a connection flange 13, the other end of the connection duct 12 is fixedly connected to the middle rotating box 2, and the first auger feeding port 10 is disposed on the fixed duct 11.
According to an embodiment of the present invention, as shown in fig. 1, the first driving motor 9 is a hydraulic motor of explosion-proof type, and it is obvious that the first driving motor 9 may be of other types, such as an electric motor of explosion-proof type, or a pneumatic motor.
According to one embodiment of the utility model, as shown in fig. 1, the second flexible auger conveying mechanism 5 comprises a second pipeline 14, a second flexible auger 15, a second connecting shaft 16 and a second driving motor 17, the second driving motor 17 is arranged at the outer side of the corresponding transit box 2, one end of the second pipeline 14 extends into the corresponding transit box 2 and is provided with a second auger feed inlet 18, the other end of the second pipeline 14 extends out of the corresponding transit box 2, the second connecting shaft 16 is connected with the output end of the second driving motor 17, the second connecting shaft 16 extends into the corresponding transit box 2, one end of the second flexible packing auger 15 is fixedly arranged on the second connecting shaft 16, the other end of the second flexible packing auger 15 is rotatably arranged at the outer end of the second pipeline 14, and a discharge hole 19 is formed in the bottom of the outer end of the second pipeline 14.
According to an embodiment of the present invention, as shown in fig. 1, the second driving motor 17 is a hydraulic motor of explosion-proof type, and it is obvious that the second driving motor 17 may be of other types, such as an electric motor or a pneumatic motor.
According to an embodiment of the present invention, as shown in fig. 1, in order to facilitate the inspection of the interior of the dust box, a first access window is opened at the top of the dust box 1, and a first access cover 20 is mounted on the first access window.
According to an embodiment of the present invention, as shown in fig. 1, in order to facilitate the inspection of the inside of the transit box 2, a second access window is opened at the top of the transit box 2, and a second access cover 21 is installed on the second access window.
According to an embodiment of the present invention, as shown in fig. 1, the dust box 1 includes a box body 22 and a first bracket 23 disposed at the bottom of the box body 22, and the bottom of the box body 22 is arc-shaped.
According to one embodiment of the present invention, as shown in fig. 1, in order to facilitate the installation of the turn-around box, a second bracket 24 is provided at the bottom of the turn-around box 2.
According to an embodiment of the present invention, as shown in fig. 1, the first drive motor 9 and the second drive motor 17 are explosion-proof hydraulic motors, a hydraulic balance valve 25 is provided on the transfer case 2, and the hydraulic balance valve 25 is used for controlling the oil pressure of the first drive motor 9 and the oil pressure of the second drive motor 17 on the transfer case 2 to be equal.
The working method (or working principle) of the utility model is as follows: get into the dust collection box with the buggy through the dust collection box feed inlet in, advance the feed inlet by first auger and provide rotary power through by first driving motor, be connected first flexible auger and first driving motor and transmit the revolving force through first connecting axle, the flexible transport assembly that first flexible auger and first pipeline are constituteed jointly, carry the buggy to the transfer incasement by the dust collection box in, the flexible auger conveying mechanism of rethread second carries the buggy in the transfer case to second auger discharge gate department, hydraulic balance valve makes two hydraulic motor oil pressures on the transfer case equal, the problem of unbalanced oil pressure leads to two hydraulic motor rotational speeds different is stopped to appear. The conveying device is not limited to 2-stage conveying, and a transfer box and a flexible conveying assembly are added when necessary to increase the conveying distance. The utility model can not only carry out long-distance conveying and slag discharging on the coal powder generated by drilling along the layer hole in the coal mine underground gas treatment, but also greatly reduce the labor intensity of underground workers, reduce the underground operation workers and improve the working efficiency and the safety.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (10)
1. An explosion-proof dry powder remote conveying device is characterized in that: comprises a dust collection box (1) and a plurality of transfer boxes (2) which are sequentially connected together along the conveying direction, wherein a first feed inlet (3) is arranged at the upper part of the dust collection box (1), the dust collection box (1) and the adjacent transfer boxes (2) are communicated through a first flexible auger conveying mechanism (4), the feed end and the discharge end of the first flexible auger conveying mechanism (4) are respectively positioned in the dust collection box (1) and the transfer boxes (2) adjacent to the dust collection box (1), a second flexible auger conveying mechanism (5) is respectively arranged on each transfer box (2), the feed end of each second flexible auger conveying mechanism (5) is positioned at the inner bottom of the corresponding transfer box (2), the discharge end of each second flexible auger conveying mechanism (5) is positioned at the bottom of the lower flow end of the conveying direction, and the two adjacent transfer boxes are communicated through a second flexible conveying mechanism positioned on the upstream transfer box, the discharge end of the second flexible auger conveying mechanism positioned on the upstream transit box is communicated with the upper part of the inner side of the downstream transit box.
2. An explosion-proof remote dry powder delivery apparatus as defined in claim 1, wherein: the first flexible auger conveying mechanism (4) comprises a first pipeline (6), a first flexible auger (7), a first connecting shaft (8) and a first driving motor (9), the first driving motor (9) is arranged outside the transit box (2) adjacent to the dust collection box (1), one end of the first pipeline (6) extends into the dust collection box (1) and is provided with a first auger feeding port (10), the other end of the first pipeline (6) is communicated with the transit box (2) adjacent to the dust collection box (1), the first connecting shaft (8) is connected with the output end of the first driving motor (9) and the first connecting shaft (8) extends into the transit box (2) adjacent to the dust collection box (1), one end of the first flexible auger (7) is rotatably arranged at one end of the first pipeline (6) extending into the dust collection box (1), the other end of the first flexible packing auger (7) is fixedly connected with the first connecting shaft (8).
3. The explosion-proof dry powder remote delivery device of claim 2, wherein: the dust collection box is characterized in that the first pipeline (6) comprises a fixed pipeline (11) and a connecting pipeline (12), one end of the fixed pipeline (11) is arranged inside the dust collection box (1), the other end of the fixed pipeline (11) extends out of the dust collection box (1) and is connected with one end of the connecting pipeline (12) through a connecting flange (13), the other end of the connecting pipeline (12) is fixedly connected to a transit box (2) adjacent to the dust collection box (1), and a first auger feeding hole (10) is formed in the fixed pipeline (11).
4. The explosion-proof dry powder remote delivery device of claim 2, wherein: the first driving motor (9) adopts a hydraulic motor, an electric motor or a pneumatic motor.
5. An explosion-proof remote dry powder delivery apparatus as defined in claim 1, wherein: the flexible auger conveying mechanism of second (5) includes second pipeline (14), the flexible auger (15) of second, second connecting axle (16) and second driving motor (17), second driving motor (17) set up the outside at corresponding transfer case (2), the one end of second pipeline (14) stretches into in corresponding transfer case (2) and is provided with second auger feed inlet (18), the other end of second pipeline (14) stretches out corresponding transfer case (2), second connecting axle (16) with the output of second driving motor (17) is connected just second connecting axle (16) stretches into in corresponding transfer case (2), the one end of the flexible auger (15) of second is fixed to be set up on second connecting axle (16), the other end of the flexible auger (15) of second rotates and sets up the outer end of second pipeline (14), and a discharge hole (19) is formed in the bottom of the outer end of the second pipeline (14).
6. An explosion-proof remote dry powder delivery apparatus as set forth in claim 5, wherein: the second driving motor (17) adopts an explosion-proof hydraulic motor, an electric motor or a pneumatic motor.
7. An explosion proof remote delivery device for dry powder as defined in any one of claims 1 to 6 wherein: the top of the dust collection box (1) is provided with a first access window, and a first access cover (20) is installed on the first access window.
8. An explosion proof remote delivery device for dry powder as defined in any one of claims 1 to 6 wherein: a second access window is formed in the top of the transit box (2), and a second access cover (21) is installed on the second access window.
9. An explosion proof remote delivery device for dry powder as defined in any one of claims 1 to 6 wherein: the dust collection box (1) comprises a box body (22) and a first support (23) arranged at the bottom of the box body (22), and the bottom of the box body (22) is arc-shaped.
10. An explosion proof remote delivery device for dry powder as defined in any one of claims 1 to 6 wherein: and a second support (24) is arranged at the bottom of the transit box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121833846.5U CN215633100U (en) | 2021-08-06 | 2021-08-06 | Explosion-proof dry powder remote conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121833846.5U CN215633100U (en) | 2021-08-06 | 2021-08-06 | Explosion-proof dry powder remote conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215633100U true CN215633100U (en) | 2022-01-25 |
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ID=79895695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121833846.5U Active CN215633100U (en) | 2021-08-06 | 2021-08-06 | Explosion-proof dry powder remote conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215633100U (en) |
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2021
- 2021-08-06 CN CN202121833846.5U patent/CN215633100U/en active Active
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