Automatic paste filling equipment for small coal mine goaf

Abstract

The utility model discloses automatic paste filling equipment for a small-sized coal mine goaf, which relates to the technical field of mining machinery, and comprises a support frame, a conveying assembly is arranged on the support frame, a pressurizing device and a cleaning device are arranged on the conveying assembly, the conveying assembly comprises an auger shell, a rotating shaft is arranged in the auger shell, and the rotating shaft is connected with the auger shell. A first conveying auger is arranged on the rotating shaft, one end of the auger shell is connected with a conical shell in a penetrating mode, a sealing cover is arranged at the other end opening of the auger shell, the end of the conical shell is connected with a conveying pipe in a penetrating mode, a universal joint is movably arranged in the conveying pipe, and one end of the universal joint is connected with one end of the rotating shaft; and a second transmission auger is arranged at the other end of the universal joint. According to the automatic paste filling equipment for the small-sized coal mine goaf, pipelines can be cleaned conveniently, paste can be conveyed in the pipelines in an auxiliary mode, filling automation is achieved, multiple fixing devices are arranged, transportation is stable, and manpower output is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mining machinery, in particular to a paste automatic filling device for a goaf area of ​​a small coal mine. Background Art

[0002] As the mining degree increases, empty areas will appear inside the mine. In order to protect the environment and ensure the safety of miners, the empty areas need to be filled. The filling mining technologies include waste rock dry filling process, high-concentration filling process and paste pumping cementation filling process. In the existing coal mine filling system, the preparation of paste filling slurry is basically completed on the ground. The shortcomings of the filling equipment are: large space occupation, difficult installation, complex operation, low degree of automation, too many operators are required, and the pipeline cannot be cleaned in time.

[0003] The existing automatic paste filling equipment has the following problems in actual use. During the paste filling process, the transmission pipeline is prone to knotting, which makes the paste easy to be blocked during transmission, and after the transmission is completed, the equipment is inconvenient to clean. For this reason, we propose an automatic paste filling equipment for small coal mine goafs. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a small-scale coal mine goaf automatic paste filling device to solve the problems in the background technology.

[0005] Based on the above purpose, the utility model provides an automatic filling device for paste in the goaf of a small coal mine, including a support frame, a conveying component is provided on the support frame, a pressurizing device, a cleaning device and a mixing component are provided on the conveying component, the conveying component includes an auger shell, a rotating shaft is provided inside the auger shell, a first transmission auger is provided on the rotating shaft, one end of the auger shell is through-connected with a conical shell, the other end of the auger shell is provided with a closing cover, the end of the conical shell is through-connected with a transmission pipe, a universal joint is movably provided inside the transmission pipe, one end of the universal joint is connected to one end of the rotating shaft, and a second transmission auger is provided at the other end of the universal joint.

[0006] Furthermore, a rotating motor is provided on the support frame, and an output end of the rotating motor passes through the auger shell and is connected to the end of the rotating shaft.

[0007] Furthermore, the support frame includes a bottom plate, a push handle is provided on the bottom plate, and wheels are provided at the top corners of the lower end of the bottom plate.

[0008] Furthermore, the pressurizing device includes an air pump arranged on the support frame, the air inlet of the air pump is connected to an air inlet pipe, the air inlet pipe fits the transmission pipe, the air outlet of the air pump is connected to an air outlet pipe, and the upper end of the air outlet pipe is connected to the auger shell.

[0009] Furthermore, the cleaning device includes a siphon tank arranged on the support frame, one end of the siphon tank is connected with a water inlet pipe, the other end of the siphon tank is connected with a water outlet pipe, the upper end of the water outlet pipe is connected with the auger shell, and a connecting pipe is provided on the air outlet pipe, and the connecting pipe is connected with one end of the siphon tank.

[0010] Furthermore, the air intake pipe and the transmission pipe are covered with leather sleeves, a carbon steel bar is provided inside the leather sleeves, a triangular rod is provided on the inner wall of the conical shell, and the rotating shaft is connected to the triangular rod by bolts.

[0011] Furthermore, the air outlet pipe is provided with a first valve and a second valve, and the connecting pipe is provided with a third valve.

[0012] Furthermore, a feeding trough is connected through the auger shell, and a fluid pump is provided on the feeding trough.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, firstly, the material is transmitted to the inside of the auger shell through the feeding trough and the fluid pump, and then the rotating motor is used to drive the rotating shaft, and the rotation of the rotating shaft drives the first transmission auger to work. The first transmission auger works to push the material from the front end to the rear end, and transmits the material from the auger shell to the conical shell. The material is then transmitted from the conical shell to the transmission pipe, and the universal joint is driven to rotate by the front rotating shaft. The universal joint drives the second transmission auger to rotate. At the same time, the material enters the inside of the second transmission auger through the transmission pipe, and finally is filled to the required position through the second transmission auger. When the paste is injected, it is necessary to clean the equipment. The water source pipeline is connected through the spiral interface, the first valve and the third valve are opened, and the air pump sucks air and blows it into the siphon tank from the air outlet pipe and the connecting pipe. The siphon tank is used to absorb water under the siphon action. The siphon tank can transmit water to the inside of the auger shell and the transmission pipe through the water outlet pipe to complete the cleaning. There is no blockage during the paste filling process, and it can be easily cleaned after the paste filling is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a small-scale coal mine goaf automatic paste filling device of the utility model;

[0016] Figure 2 This is a schematic diagram of the main structure of a small-scale coal mine goaf automatic paste filling device after removing the mixing mechanism;

[0017] Figure 3 It is a side view structural schematic diagram of a small coal mine goaf automatic paste filling device after removing the mixing mechanism;

[0018] Figure 4 For this utility model Figure 3 Schematic diagram of the cross-sectional structure at AA in the middle;

[0019] Figure 5 For this utility model Figure 4 A schematic diagram of the local enlarged structure at B in the middle;

[0020] Figure 6 For this utility model Figure 4 A schematic diagram of the local enlarged structure at C in the middle;

[0021] Figure 7 For this utility model Figure 4 Schematic diagram of the local enlarged structure at point D in the middle.

[0022] In the figure: 1. support frame; 2. transmission component; 3. pressurizing device; 4. cleaning device; 5. mixing component; 101. bottom plate; 102. push handle; 103. wheel; 201. auger shell; 202. rotating shaft; 203. first transmission auger; 204. conical shell; 205. transmission pipe; 206. universal joint; 207. second transmission auger; 208. leather cover; 209. carbon steel bar; 210. triangular rod; 211. feeding trough; 212. fluid pump; 213. rotating motor; 301. air pump; 302. air inlet pipe; 303. air outlet pipe; 304. connecting pipe; 305. first valve; 306. second valve; 307. third valve; 401. siphon tank; 402. water inlet pipe; 403. water outlet pipe. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0024] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0025] Please also read Figure 1-Figure 7 ,in, Figure 1 This is a schematic diagram of the overall structure of a small-scale coal mine goaf automatic paste filling device of the utility model; Figure 2 This is a schematic diagram of the main structure of a small-scale coal mine goaf automatic paste filling device of the utility model; Figure 3 This is a side structural schematic diagram of a small-scale coal mine goaf automatic paste filling device of the utility model; Figure 4 For this utility model Figure 3 Schematic diagram of the cross-sectional structure at AA in the middle; Figure 5 For this utility model Figure 4 A schematic diagram of the local enlarged structure at B in the middle;

[0026] Figure 6 For this utility model Figure 4 A schematic diagram of the local enlarged structure at C in the middle; Figure 7 For this utility model Figure 4 Schematic diagram of the local enlarged structure at point D in the middle.

[0027] A paste automatic filling device for a small coal mine goaf includes a support frame 1, on which a transmission component 2 is provided, on which a pressurizing device 3, a cleaning device 4 and a mixing component 5 are provided, the transmission component 2 includes an auger shell 201, inside of which a rotating shaft 202 is provided, on which a first transmission auger 203 is provided, one end of the auger shell 201 is connected through a conical shell 204, the other end of the auger shell 201 is provided with a closing cover, the end of the conical shell 204 is connected through a transmission pipe 205, a universal joint 206 is movably provided inside the transmission pipe 205, one end of the universal joint 206 is connected to one end of the rotating shaft 202, and the other end of the universal joint 206 is provided with a second transmission auger 207, the support frame 1 is provided with a rotating motor 213, and the output end of the rotating motor 213 passes through the auger shell 201 and is connected to the end of the rotating shaft 202.

[0028] The mixing component 5 is used to mix the two raw materials. The mixing component 5 adopts an existing mixing and stirring device. The lower discharge port of the mixing component is connected to the feeding tank 211 to realize the transmission of the mixed raw materials to the feeding tank 211.

[0029] Among them, in actual use, the material is in the auger shell 201, and the rotating motor 213 drives the rotating shaft 202, and the rotation of the rotating shaft 202 drives the first transmission auger 203 to work. The first transmission auger 203 works to push the material from the front end to the rear end, and transmits the material from the auger shell 201 to the conical shell 204. The material is then transmitted from the conical shell 204 to the transmission pipe 205, and the universal joint 206 is driven to rotate by the front rotating shaft 202. The universal joint 206 drives the second transmission auger 207 to rotate. At the same time, the material passes through the transmission pipe 205 and enters the second transmission auger 207. Finally, it is filled to the required position through the second transmission auger 207, wherein the first transmission auger 203 and the second transmission auger 207 play a stirring and conveying role.

[0030] Furthermore, the support frame 1 includes a bottom plate 101 , a push handle 102 is provided on the bottom plate 101 , and wheels 103 are provided at the top corners of the lower end of the bottom plate 101 .

[0031] Among them, the pushing handle 102 is connected to the top of one end of the base plate 101, and wheels 103 are respectively provided at the four top corners of the lower end of the base plate 101. In actual use, the wheels 103 are for the convenience of moving the equipment, and the pushing handle 102 is for the workers to hold conveniently when moving the equipment.

[0032] Furthermore, the pressurizing device 3 includes an air pump 301 arranged on the support frame 1, the air inlet of the air pump 301 is connected to the air inlet pipe 302, the air inlet pipe 302 is attached to the transmission pipe 205, the air outlet of the air pump 301 is connected to the air outlet pipe 303, and the upper end of the air outlet pipe 303 is connected to the auger shell 201.

[0033] Among them, the gas enters the air pump 301 and is then transmitted to the outlet pipe 303, and then transmitted to the front end of the auger shell 201 through the outlet pipe 303. A filter is provided at the end of the air inlet pipe 302. When the air pump 301 is working, air is inhaled from the end of the air inlet pipe 302. The gas is pressurized during the process of being transmitted from the inside of the air pump 301 to the inside of the auger shell 201, which helps to transmit the material to the rear end.

[0034] Furthermore, the cleaning device 4 includes a siphon tank 401 arranged on the support frame 1, one end of the siphon tank 401 is connected with a water inlet pipe 402, the other end of the siphon tank 401 is connected with a water outlet pipe 403, the upper end of the water outlet pipe 403 is connected with the auger shell 201, a connecting pipe 304 is provided on the air outlet pipe 303, the connecting pipe 304 is connected with one end of the siphon tank 401, a first valve 305 and a second valve 306 are provided on the air outlet pipe 303, and a third valve 307 is provided on the connecting pipe 304.

[0035] Among them, in actual use, after the paste is injected, when the equipment needs to be cleaned, the water source pipeline is connected through the spiral interface, the first valve 305 and the third valve 307 are opened, and the air pump 301 sucks air and blows it into the siphon tank 401 from the air outlet pipe 303 and the connecting pipe 304. The siphon tank 401 is used to absorb water under the siphon effect. The siphon tank 401 can transmit water to the inside of the auger shell 201 and the inside of the transmission pipe 205 through the water outlet pipe 403 to complete the cleaning. The utility model can clean the inside of the equipment.

[0036] Furthermore, the air inlet pipe 302 and the transmission pipe 205 are covered with a leather sleeve 208, a carbon steel bar 209 is provided inside the leather sleeve 208, a triangular rod 210 is provided on the inner wall of the conical shell 204, and the rotating shaft 202 is connected to the triangular rod 210 by bolts.

[0037] Among them, during actual use, the carbon steel bar 209 prevents the transmission tube 205 from being bent at a large angle, so that the transmission tube 205 will not be blocked, and the transmission is kept smoother. The leather case 208 protects the air outlet pipe 303 and the transmission tube 205, making it more stable during use. When using the air pump 301, the air pressure will generate a strong impact force. The triangular rod 210 reduces the resistance to the flow of the paste inside the conical shell 204, making the paste transmission smoother.

[0038] Furthermore, a feeding trough 211 is connected through the auger shell 201 , and a fluid pump 212 is provided on the feeding trough 211 . The feeding trough 211 is mainly used for feeding, and the fluid pump 212 is used for supplying materials to the feeding trough 211 .

[0039] In summary, in actual use, the two raw materials are first mixed in the mixing assembly 5, and then the materials are transferred to the inside of the auger shell 201 through the feeding trough 211 and the fluid pump 212. Then, the rotating motor 213 is driven to drive the rotating shaft 202. The rotating shaft 202 drives the first transmission auger 203 to work. The first transmission auger 203 works to push the material from the front end to the rear end, and transfers the material from the auger shell 201 to the conical shell 204. The material is then transferred from the conical shell 204 to the transmission pipe 205, and the universal joint 206 is driven to rotate by the front rotating shaft 202, and the universal joint 206 drives the second transmission auger 203 to work. The dragon 207 rotates, and at the same time, the material enters the second transmission auger 207 through the transmission pipe 205, and is finally filled to the required position through the second transmission auger 207. When the paste is injected and the equipment needs to be cleaned, the water source pipeline is connected through the spiral interface, and the first valve 305 and the third valve 307 are opened. After the air pump 301 inhales air, it is blown into the siphon tank 401 from the air outlet pipe 303 and the connecting pipe 304. The siphon tank 401 is used to absorb water under the siphon effect. The siphon tank 401 can transmit water to the inside of the auger shell 201 and the transmission pipe 205 through the water outlet pipe 403 to complete the cleaning.

[0040] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0041] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. An automatic paste filling device for small coal mine goaf, characterized by: The invention comprises a support frame (1), wherein a transmission component (2) is provided on the support frame (1), wherein a pressurizing device (3), a cleaning device (4) and a mixing component (5) are provided on the transmission component (2), wherein the transmission component (2) comprises an auger shell (201), wherein a rotating shaft (202) is provided inside the auger shell (201), wherein a first transmission auger (203) is provided on the rotating shaft (202), wherein one end of the auger shell (201) is connected through a conical shell (204), wherein the other end of the auger shell (201) is provided with a closing cover, wherein the end of the conical shell (204) is connected through a transmission pipe (205), wherein a universal joint (206) is movably provided inside the transmission pipe (205), wherein one end of the universal joint (206) is connected to one end of the rotating shaft (202), and wherein a second transmission auger (207) is provided at the other end of the universal joint (206).

2. The automatic paste filling device for small coal mine goaf according to claim 1 is characterized by: The support frame (1) is provided with a rotating motor (213), and the output end of the rotating motor (213) passes through the auger shell (201) and is connected to the end of the rotating shaft (202).

3. The automatic paste filling device for small coal mine goaf according to claim 2 is characterized by: The support frame (1) comprises a bottom plate (101), a push handle (102) is provided on the bottom plate (101), and wheels (103) are provided at the top corner position of the lower end of the bottom plate (101).

4. The automatic paste filling device for small coal mine goaf according to claim 3 is characterized by: The pressurizing device (3) comprises an air pump (301) arranged on the support frame (1); the air inlet of the air pump (301) is connected to an air inlet pipe (302), the air inlet pipe (302) is in contact with the transmission pipe (205); the air outlet of the air pump (301) is connected to an air outlet pipe (303), and the upper end of the air outlet pipe (303) is connected to the auger shell (201).

5. The automatic paste filling device for small coal mine goaf according to claim 4 is characterized by: The cleaning device (4) comprises a siphon tank (401) arranged on the support frame (1), one end of the siphon tank (401) is connected to a water inlet pipe (402), the other end of the siphon tank (401) is connected to a water outlet pipe (403), the upper end of the water outlet pipe (403) is connected to the auger shell (201), and a connecting pipe (304) is provided on the air outlet pipe (303), and the connecting pipe (304) is connected to one end of the siphon tank (401).

6. The automatic paste filling device for small coal mine goaf according to claim 5 is characterized by: The air intake pipe (302) and the transmission pipe (205) are covered with a leather sleeve (208) on the outside, a carbon steel bar (209) is provided inside the leather sleeve (208), a triangular rod (210) is provided on the inner wall of the conical shell (204), and the rotating shaft (202) is connected to the triangular rod (210) by bolts.

7. The automatic paste filling device for small coal mine goaf according to claim 6 is characterized by: The air outlet pipe (303) is provided with a first valve (305) and a second valve (306), and the connecting pipe (304) is provided with a third valve (307).

8. The automatic paste filling device for small coal mine goaf according to claim 6 is characterized by: The auger shell (201) is connected through a feeding trough (211), and a fluid pump (212) is provided on the feeding trough (211).

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