Mining automatic material taking, feeding and guniting device

Abstract

The utility model relates to the technical field of coal mine engineering machinery, in particular to a mining automatic material taking, feeding and guniting device which comprises a rack, a material collecting unit is arranged at the front end of the rack, a guniting machine is arranged at the rear end of the rack, a conveying unit is arranged on the rack between the material collecting unit and the guniting machine, and a walking unit is arranged at the bottom of the rack. The material collecting unit is communicated with the conveying unit and arranged at the feeding end of the conveying unit, the conveying unit is fixed to the rack through a support, a mechanical arm is rotationally arranged above the conveying unit, and the discharging end of the conveying unit corresponds to the feeding end of the pulp shooting machine. The ground material taking function, the automatic feeding function, the guniting machine function, the mechanical arm function and the crawler walking function are integrated, automatic material taking, feeding, conveying and spraying of guniting materials on the ground are achieved, the working efficiency is improved, and the labor intensity is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine engineering machinery, in particular to an automatic material taking, feeding and spraying device for mines. Background Art

[0002] A shotcrete machine is a device that sprays concrete onto the surface of a roadway. It can quickly seal the surrounding rock, preventing weathering and damage to the excavated roadway, significantly improving its durability. It is a crucial construction step in coal mine roadway support engineering. While the spraying process is mechanized, the supply of the shotcrete (concrete mixture) to the machine is mostly manual, lacking in mechanization and intelligence.

[0003] When spraying material is deposited on the tunnel floor, the current common practice is for multiple people to use shovels to direct the material into the sprayer hopper, where it is then sprayed out. This method is inefficient, requires a large number of workers, and places high labor intensity on the workers. Shoveling the material into the hopper is particularly labor-intensive when the material is located far from the sprayer. Furthermore, when adding the accelerator, manual mixing with tools such as shovels is required to ensure uniform distribution, which is labor-intensive. Summary of the Invention

[0004] In order to solve the problem that the existing shotcrete machine needs to use manual labor to load materials, has low work efficiency and high labor intensity, the utility model provides an automatic material retrieving and loading shotcrete device for mining, which integrates the functions of ground retrieving, automatic loading, shotcrete machine, mechanical arm and crawler walking, and realizes automatic retrieving, loading, conveying and spraying of shotcrete material on the ground, thereby improving work efficiency and reducing labor intensity.

[0005] In order to achieve the above purpose, the technical solution of the utility model is:

[0006] A mining automatic material feeding and spraying device comprises a frame, a material collecting unit is arranged at the front end of the frame, a spraying machine is arranged at the rear end, a conveying unit is arranged on the frame between the material collecting unit and the spraying machine, and a walking unit is arranged at the bottom of the frame; the conveying unit transports the spraying material collected by the material collecting unit to the spraying machine.

[0007] The collecting unit is connected to the conveying unit and is installed at the feeding end of the conveying unit. The conveying unit is fixed to the frame via a bracket. A mechanical arm is rotatably installed above the conveying unit. The discharge end of the conveying unit is corresponding to the feeding end of the shotcrete machine. The mechanical arm is used to pick up the shotcrete from a distance.

[0008] The material collection unit further comprises a material collection rotor cavity, a rotor body horizontally disposed within the material collection rotor cavity, and a first drive unit that drives the rotor body to rotate. The rotor body comprises forward-rotating helical blades, counter-rotating helical blades, and a material stripper plate disposed between the two blades. The rotor body collects the spraying material from both sides to the center, where it is transported to the conveying unit by the material stripper plate.

[0009] Furthermore, three stripper plates are evenly distributed along the circumference of the rotor shaft between the two blades. A rectangular discharge port is located at the rear of the collecting rotor cavity, corresponding to the stripper plates. These stripper plates are positioned in correspondence with the rectangular discharge port and are used to lift the sprayed material, which then enters the conveying unit through the rectangular discharge port.

[0010] Furthermore, the conveying unit includes an inclined conveying pipe, a spiral blade rotating body arranged in the conveying pipe, and a second driving part for driving the spiral blade rotating body. The second driving part is used to drive the spiral blade rotating body to lift the spraying material.

[0011] Furthermore, the driving part is a hydraulic motor, which provides power for the operation of the device.

[0012] Furthermore, the walking unit is a crawler chassis. The crawler chassis can solve the problem that the traditional rubber-wheeled spraying machine has poor adaptability to the ground.

[0013] Furthermore, the robotic arm is a four-degree-of-freedom robotic arm, a scraper is provided at the end of the robotic arm, and the length of the robotic arm is greater than the length of the frame. The robotic arm can rotate to the front of the shotcrete machine and can perform scraping operations in the left and right and upper and lower spaces in front of the shotcrete machine.

[0014] Furthermore, a bracket is provided at the top of the conveying unit, and the bracket matches the robotic arm, and the robotic arm can be placed on the bracket when not in operation, thereby making full use of space and achieving high overall integration of the device.

[0015] Through the above technical solution, the beneficial effects of the utility model are:

[0016] 1. The gathering unit of the utility model can gather the spraying material placed on the ground into the middle of the gathering rotor cavity, and lift the spraying material through the material stripping plate and push it to the rear discharge port to be received by the end of the spiral blade rotating body of the conveying unit, thereby realizing the mechanized ground collection of the spraying material.

[0017] 2. The blades at the end of the conveying unit receive the shotcrete material pushed and lifted by the material collecting unit, and efficiently convey the shotcrete material to the inlet of the shotcrete machine. At the same time, the shotcrete material rolls in the material cavity composed of the spiral blade rotating body and the feed pipe, which can further stir the shotcrete material and improve the uniformity of the various components of the shotcrete material.

[0018] 3. On the one hand, the robotic arm can rotate to the front of the shotcrete machine and perform scraping operations in the left, right, upper and lower spaces in front of the shotcrete machine. On the other hand, it can scrape the shotcrete material farther away from the ground to the spiral blades of the aggregate unit and stir the shotcrete material to improve the uniformity of the various components of the shotcrete material, greatly reducing manual labor and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a side view of the utility model;

[0021] Figure 3 It is a partial cross-sectional view of the utility model;

[0022] Figure 4 It is a front view of the utility model;

[0023] The numbers in the accompanying drawings are: 1 is the aggregate unit, 101 is the rotor body, 102 is the aggregate rotor cavity, 104 is the lower sprocket, 105 is the upper sprocket, 106 is the chain, 107 is the first bearing chamber, 108 is the first drive unit, 2 is the conveying unit, 201 is the spiral blade rotating body, 202 is the mounting frame, 203 is the feed pipe, 204 is the second bearing chamber, 205 is the second drive unit, 3 is the shotcrete machine, 4 is the robotic arm, 401 is the slewing seat, 402 is the slewing reducer, 403 is the hydraulic motor, 404 is the boom, 405 is the dipper arm, 406 is the scraper, 409 is the boom cylinder, 412 is the boom cylinder, 415 is the scraper cylinder, 406 is the scraper, 5 is the frame, and 6 is the walking unit. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0025] like Figures 1 to 4 As shown, this embodiment provides an automatic material taking, loading and spraying device for mining, including a material collecting unit 1, a conveying unit 2, a spraying machine 3, a mechanical arm 4, a frame 5 and a walking unit 6.

[0026] An aggregate unit 1 is provided at the front end of the frame 5 and a shotcrete machine 3 is provided at the rear end. A conveying unit 2 is provided on the frame 5 between the aggregate unit 1 and the shotcrete machine 3. The aggregate unit 1 is communicated with the conveying unit 2 and is provided at the feeding end of the conveying unit 2. The discharging end of the conveying unit 2 is provided corresponding to the loading end of the shotcrete machine 3. The conveying unit 2 is fixed to the frame 5 by a bracket. A mechanical arm 4 is rotatably provided above the conveying unit 2, and a walking unit 6 is provided at the bottom of the frame 5.

[0027] The aggregate unit 1 includes an aggregate rotor cavity 102, a rotor body 101 horizontally arranged in the aggregate rotor cavity 102, and a first drive unit 108 that drives the rotor body 101 to rotate; the first drive unit 108 is a hydraulic motor, and the rotor body 101 includes a forward-rotating spiral blade, a reverse-rotating spiral blade, and a material-diverting plate arranged between the two blades. The rotor body 101 is mounted on the aggregate rotor cavity 102 via a bearing, and a lower sprocket 104 is arranged on the shaft at one end of the rotor body 101. A first bearing chamber 107 is arranged above the aggregate rotor cavity 102, and an upper sprocket 105 is arranged on the protruding shaft of the first bearing chamber 107. The hydraulic motor is connected to the first bearing chamber 107 and drives the upper sprocket 105. The upper sprocket 105 and the lower sprocket 104 are driven by a chain 107.

[0028] like Figure 4 As shown, the forward-rotating and counter-rotating spiral blades are placed on either side of the collecting rotor cavity 102, moving material from both sides to the center. The front side of the collecting rotor cavity 102 serves as the feed end, and the rear side serves as the discharge end. Three paddles are evenly distributed along the circumference of the rotor body 101 in the middle of the two blades. A rectangular discharge port is opened at the rear of the collecting rotor cavity 102, corresponding to the position of the paddles. The paddles and discharge port correspond to the spiral blade rotating body 201 of the conveying unit 2. During operation, the paddles lift material from the ground, which enters the feed end of the conveying unit 2 and is lifted to a higher position by the spiral blade rotating body 201.

[0029] like Figures 2 and 3 As shown, the conveying unit 2 includes an inclined conveying pipe 203, a spiral blade rotor 201 disposed within the conveying pipe 203, and a second drive unit 205 that drives the spiral blade rotor 201. The conveying pipe 203 is U-shaped. The spiral blade rotor 201 is connected to the extended shaft of the second bearing chamber 204 via a pin and is placed within the conveying pipe 203. The conveying pipe 203 is fixedly connected to the frame 5 via a mounting bracket 202. The second bearing chamber 204 is located at the rear end of the mounting bracket 202. The mounting bracket 202 is rectangular and has a support leg at the bottom. One end of the leg is fixed to the mounting bracket 202, and the other end is fixed to the frame 5. The second drive unit 205 is a hydraulic motor. The spiral blade rotor 201 includes a spiral blade and an end sleeve. The end of the spiral blade is close to the rotating outer diameter of the material collecting unit 1's stripper plate, with a gap therebetween, to receive the shotcrete pushed out and lifted by the stripper plate.

[0030] The spraying machine 3 is preferably a dust removal spraying machine. In this embodiment, a variety of spraying machines can be selected, and they only need to have the spraying function required by the utility model. The spraying machine with the spraying function is a mature existing technology, and the specific internal structure will not be repeated here.

[0031] The walking unit 6 is connected to the frame 5 through a connecting plate. The walking unit 6 is a crawler chassis. The crawler chassis can be equipped with rubber blocks and can adapt well to whether the tunnel ground is paved with concrete.

[0032] The robotic arm 4 is connected to the frame 5 via a mounting plate. The robotic arm 4 is a four-degree-of-freedom robotic arm. A grab 406 is provided at the end of the robotic arm 4 . The length of the robotic arm 4 is greater than that of the frame 5 .

[0033] As an implementable method, Figure 2 As shown, the robotic arm 4 includes a slewing seat 401, a slewing reducer 402, a hydraulic motor 403, a boom 404, a stick 405, and a grab bucket 406. The slewing seat 401 is installed on the frame 5, the slewing reducer 402 is installed on the slewing seat 401, the hydraulic motor 403 is installed on the slewing reducer 402, the lower end of the boom 404 is connected to the slewing seat 401 through a pin shaft, the middle part is connected to the boom cylinder 409 through a pin shaft, and the upper part is connected to the boom 405 through a pin shaft, the lower part of the stick 405 is connected to the boom 404 through a pin shaft, the middle part is connected to the stick cylinder 412 through a pin shaft, and the upper part is connected to the grab bucket 406 through a pin shaft, the lower part of the grab bucket 406 is connected to the boom 405 through a pin shaft, and the middle part is connected to the grab bucket cylinder 415 through a pin shaft.

[0034] A bracket is provided at the top of the conveying unit 2, and the bracket matches the robotic arm 4. The robotic arm 4 can be placed on the bracket in a non-working state. Specifically, one end of the bracket is fixedly connected to the mounting frame 202, and the other end is in contact with the robotic arm 4.

[0035] The working principle of this utility model:

[0036] When in use, the robotic arm 4 can pick up the surrounding spraying material to the aggregate unit 1. The forward-rotating spiral blades and reverse-rotating spiral blades on both sides of the aggregate unit 1 are arranged relatively to each other, which can concentrate the spraying material in the middle. The material-diverting plate rotates to lift the spraying material and enter the conveying unit 2. The spiral blade rotating body 201 in the conveying unit 2 rotates to lift the spraying material fed from the bottom to a high place, and enters the spraying machine 3 from the discharge port at the top of the conveying pipe 203. The spraying machine 3 sprays the spraying material, thereby realizing automatic material collection, loading, conveying and spraying of the ground spraying material, reducing labor intensity and improving work efficiency.

[0037] The embodiments described above are only preferred embodiments of the present invention and do not limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made based on the structure, features and principles described in the patent scope of the present invention should be included in the scope of the patent application of the present invention.

Claims

1. A mine automatic material feeding and spraying device, comprising a frame (5), characterized in that: The front end of the frame (5) is provided with an aggregate unit (1), and the rear end is provided with a shotcrete machine (3); a conveying unit (2) is provided on the frame (5) between the aggregate unit (1) and the shotcrete machine (3); and a walking unit (6) is provided at the bottom of the frame (5); The collecting unit (1) is connected to the conveying unit (2) and is arranged at the feeding end of the conveying unit (2). The conveying unit (2) is fixed to the frame (5) through a bracket. A mechanical arm (4) is rotatably arranged above the conveying unit (2). The discharging end of the conveying unit (2) is arranged corresponding to the feeding end of the spraying machine (3).

2. The automatic feeding and spraying device for mining according to claim 1, characterized in that: The material collecting unit (1) comprises a material collecting rotor cavity (102), a rotor body (101) arranged horizontally in the material collecting rotor cavity (102), and a first driving part for driving the rotor body (101) to rotate; the rotor body (101) comprises a forward-rotating spiral blade, a reverse-rotating spiral blade, and a material-diverting plate arranged in the middle of the two blades.

3. The automatic feeding and spraying device for mining according to claim 2, characterized in that: Three material-diverting plates are evenly distributed along the circumference of the rotor body (101) in the middle of the two blades, and a rectangular discharge port is opened at the rear of the collecting rotor cavity (102) at the position corresponding to the material-diverting plates.

4. The automatic material feeding and spraying device for mining according to claim 1, characterized in that: The conveying unit (2) comprises an inclined conveying pipe (203), a spiral blade rotating body (201) arranged in the conveying pipe (203), and a second driving part for driving the spiral blade rotating body (201).

5. A mine automatic material feeding and spraying device according to claim 2 or 4, characterized in that: The driving part is a hydraulic motor.

6. The automatic material feeding and spraying device for mining according to claim 1, characterized in that: The walking unit (6) is a crawler chassis.

7. The automatic material feeding and spraying device for mining according to claim 1, characterized in that: The robotic arm (4) is a four-degree-of-freedom robotic arm, a grab bucket (406) is provided at the end of the robotic arm (4), and the length of the robotic arm (4) is greater than the length of the frame (5).

8. The automatic feeding and spraying device for mining according to claim 1, characterized in that: A bracket is provided at the top end of the conveying unit (2), the bracket matches the robotic arm (4), and the robotic arm (4) can be placed on the bracket in a non-working state.

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