Roof cutting drill carriage with protection function for coal mine

By designing protective covers and dust collection systems on the top drilling truck for coal mines, the problems of coal blocks and dust dispersion are solved, safety and air quality are improved, and the device is adjustable and convenient to use.

CN222253823UActive Publication Date: 2024-12-27SHANXI MEILIAN HEAVY IND MASCH MFG CO LTD
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Patent Information

Application Number
CN202421210316.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2024-12-27
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

The existing top-cut drill truck for coal mines does not have a protective structure during the top cutting process, which makes coal blocks easy to fall, causing damage to the device and injuries to staff, and it is difficult to collect dust effectively, affecting the air quality of the mine duct.

Method used

A top drilling vehicle for coal mines with protective functions is designed, including the first and second protective covers, electric air pressure cylinders, dust collectors, air pumps and screens, and the protective covers are closely connected to the mine channel by spring-driven protection covers. Top, prevent coal blocks from falling and collect dust through the pump and air duct.

Benefits of technology

Effectively prevent coal blocks from falling, damage and dust drifting, improve work safety and air quality, and enhance the adjustability and convenience of use of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The coal mine roof cutting drill carriage with the protection function comprises a carriage body, a lifting plate, a first protection blocking cover and a dust collecting box, a fixing plate is installed at one end of the top of the carriage body, the dust collecting box is installed at the end, away from the fixing plate, of the top of the carriage body, and a sliding assembly is installed at the end, close to the dust collecting box, of the fixing plate. And a lifting plate is slidably mounted at the end, away from the fixed plate, of the sliding assembly, a first protective blocking cover is mounted at the top of the lifting plate, and a mounting groove is formed in the top of the first protective blocking cover. The first protective blocking cover, the second protective blocking cover and the spring are installed, during use, the spring pushes the second protective blocking cover under the elastic action, the second protective blocking cover is made to be tightly attached to the top of a mine tunnel, the first protective blocking cover and the second protective blocking cover shield the outer side of a drill bit, coal briquettes generated by top cutting can be prevented from falling around, and the service life of the drill bit is prolonged. The device is prevented from being smashed by coal briquettes, and workers can be prevented from being injured by the coal briquettes.
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Description

Technical Field

[0001] The utility model relates to the technical field of coal mine top cutting drill vehicle equipment, in particular to a coal mine top cutting drill vehicle with a protective function. Background Art

[0002] A top-cutting drill rig is a walking drilling machine that supports a rock drill for mechanized rock drilling operations. When the coal seam is far from the surface, it is generally chosen to excavate tunnels underground to mine coal. During the coal mining process, a top-cutting drill rig is required to perform top-cutting operations on the top of the mine tunnel.

[0003] For example, the utility model: "A coal mine top cutting drill vehicle with a lifting mechanism", the announcement number is: "CN220101183U", the broken materials that fall during the top cutting process of this patent will be further collected by the funnel, and finally under the operation of the vacuum cleaner, the broken materials inside the funnel will enter the inside of the collection box through the feed pipe. During the process, the water inside the water tank will be pumped out by the water pump, and sprayed out from the nozzle through the water pipe to complete the spray dust removal effect. However, during the implementation of this patent, since it does not have a protective structure, some coal blocks fall from the outside of the funnel, which is easy to fall on the device and the staff, causing damage to the device and injuries to the staff. Therefore, the utility model provides a coal mine top cutting drill vehicle with a protective function to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a top cutting drill vehicle for coal mines with a protective function, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coal mine cutting top drilling vehicle with a protective function, comprising a vehicle body, a lifting plate, a first protective shield and a dust collecting box, a fixed plate is installed at one end of the top of the vehicle body, and a dust collecting box is installed at one end of the top of the vehicle body away from the fixed plate, a sliding assembly is installed at one end of the fixed plate close to the dust collecting box, and the lifting plate is slidably installed at one end of the sliding assembly away from the fixed plate, a first protective shield is installed on the top of the lifting plate, and a mounting groove is provided on the top of the first protective shield, a motor is installed at the bottom of the lifting plate, an electric pneumatic cylinder is installed at one end of the top of the vehicle body close to the fixed plate, and the output end of the electric pneumatic cylinder is connected to the lifting plate, an air pump is installed at one end of the dust collecting box away from the fixed plate, and an air extraction pipe extending to the inside of the dust collecting box is installed at the input end of the air extraction pump, a control panel is installed at one end of the vehicle body away from the fixed plate, and the output end of the control panel is electrically connected to the input ends of the electric pneumatic cylinder, the motor and the air extraction pump through wires.

[0006] Preferably, both ends of the installation groove are provided with a slide groove, and the inside of the slide groove is slidably installed with a slider, and the inner side of the slider is installed with a second protective baffle.

[0007] Preferably, springs are installed at both ends of the bottom of the second protective shield, and one end of the spring away from the second protective shield is connected to the first protective shield.

[0008] Preferably, a screen is installed inside the dust box, a hose is installed on the top of the dust box, and one end of the hose away from the dust box is connected to the second protective shield.

[0009] Preferably, a waste outlet is provided at the bottom of one end of the first protective shield away from the fixed plate, and a sealing plug is installed inside the waste outlet.

[0010] Preferably, a rotating shaft is installed at the output end of the motor, the rotating shaft passes through the lifting plate and extends to the inside of the first protective shield, and a drill bit is installed on the top of the rotating shaft.

[0011] Preferably, a box door is installed on one side of the dust collecting box, and a handle is installed on the outer side of the box door.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The coal mine top cutting drill vehicle with protective function is equipped with a first protective shield, a second protective shield and a spring. When in use, the elastic action of the spring pushes the second protective shield so that the second protective shield fits tightly with the top of the mine tunnel. The first protective shield and the second protective shield are shielded on the outside of the drill bit to prevent coal blocks generated by top cutting from falling around, thereby preventing coal blocks from damaging the device and preventing coal blocks from injuring workers.

[0014] 2. The coal mine top cutting drill vehicle with protective function is equipped with a dust collecting box, a screen, an air pump and an air extraction pipe. When in use, the air pump extracts air through the air extraction pipe, and the dust generated by top cutting can be sucked into the dust collecting box for collection, which can prevent the dust from drifting into the mine tunnel and affecting the air quality inside the mine tunnel, and also facilitate the staff to clean up the dust uniformly;

[0015] 3. The coal mine top cutting drill vehicle with protective function is installed with an electric pneumatic cylinder, a sliding assembly and a lifting plate. When in use, the electric pneumatic cylinder pushes or pulls the lifting plate to move, and the drill bit can be lifted to a specified height position for use. The device has strong adjustability and is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the front cross-sectional view of the utility model;

[0017] Figure 2 It is a main schematic diagram of the utility model;

[0018] Figure 3 It is a top cross-sectional schematic diagram of the first protective shield of the utility model.

[0019] In the figure: 1. body; 2. electric pneumatic cylinder; 3. fixing plate; 4. sliding assembly; 5. motor; 6. lifting plate; 7. first protective shield; 8. rotating shaft; 9. drill bit; 10. second protective shield; 11. hose; 12. dust box; 13. screen; 14. vacuum pump; 15. vacuum pipe; 16. control panel; 17. slide; 18. slider; 19. mounting slot; 20. waste outlet; 21; spring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 The utility model provides an embodiment: a top cutting drill vehicle for coal mines with a protective function, comprising a vehicle body 1, a lifting plate 6, a first protective shield 7 and a dust collecting box 12, a fixed plate 3 is installed at one end of the top of the vehicle body 1, and a dust collecting box 12 is installed at one end of the top of the vehicle body 1 away from the fixed plate 3, a sliding assembly 4 is installed at one end of the fixed plate 3 close to the dust collecting box 12, and a lifting plate 6 is slidably installed at one end of the sliding assembly 4 away from the fixed plate 3, a first protective shield 7 is installed on the top of the lifting plate 6, and a mounting groove 19 is provided on the top of the first protective shield 7, and a motor 5 is installed at the bottom of the lifting plate 6, and the model of the motor 5 here can be Y9 0S-2, an electric pneumatic cylinder 2 is installed at one end of the top of the vehicle body 1 close to the fixed plate 3, where the model of the electric pneumatic cylinder 2 can be J64RT2UNIVER, and the output end of the electric pneumatic cylinder 2 is connected to the lifting plate 6, an air pump 14 is installed at one end of the dust box 12 away from the fixed plate 3, where the model of the air pump 14 can be VCH1028, and an air extraction pipe 15 extending to the inside of the dust box 12 is installed at the input end of the air pump 14, a control panel 16 is installed at one end of the vehicle body 1 away from the fixed plate 3, and the output end of the control panel 16 is electrically connected to the electric pneumatic cylinder 2, the motor 5 and the input end of the air pump 14 through wires.

[0022] In this implementation:

[0023] Furthermore, both ends of the mounting groove 19 are provided with a slide groove 17, and a slider 18 is slidably installed inside the slide groove 17, and a second protective shield 10 is installed on the inner side of the slider 18. The first protective shield 7 and the second protective shield 10 are shielded on the outside of the drill bit 9, which can prevent the coal blocks generated by top cutting from falling around, avoid the coal blocks from damaging the device, and prevent the coal blocks from injuring the staff.

[0024] Furthermore, springs 21 are installed at both ends of the bottom of the second protective shield 10, and the end of the spring 21 away from the second protective shield 10 is connected to the first protective shield 7. The elastic action of the spring 21 pushes the second protective shield 10 to move, so that the second protective shield 10 can fit tightly against the top of the mine tunnel, that is, the first protective shield 7 and the second protective shield 10 can be shielded on the outside of the drill bit 9.

[0025] Furthermore, a screen 13 is installed inside the dust box 12, and a hose 11 is installed on the top of the dust box 12, and the end of the hose 11 away from the dust box 12 is connected to the second protective shield 10, so that the vacuum pump 14 can extract the gas inside the dust box 12 through the vacuum pipe 15, that is, the dust generated by cutting the top inside the first protective shield 7 can be sucked into the dust box 12 through the hose 11, and the dust in the gas can be filtered through the screen 13, so that the dust can be collected inside the dust box 12.

[0026] Furthermore, a waste outlet 20 is provided at the bottom of the first protective shield 7 away from the fixed plate 3, and a sealing plug is installed inside the waste outlet 20. By opening the sealing plug on the waste outlet 20, the coal fragments collected inside the first protective shield 7 can be discharged through the waste outlet 20.

[0027] Furthermore, a rotating shaft 8 is installed at the output end of the motor 5, and the rotating shaft 8 passes through the lifting plate 6 and extends to the inside of the first protective cover 7, and a drill bit 9 is installed on the top of the rotating shaft 8. The motor 5 drives the drill bit 9 to rotate through the rotating shaft 8, and the top can be cut by the drill bit 9.

[0028] Furthermore, a box door is installed on one side of the dust box 12, and a handle is installed on the outer side of the box door. When the box door is opened, the dust collected on the screen 13 can be cleaned uniformly.

[0029] Working principle:

[0030] When in use, the device is connected to a power source, and then moved to a designated position inside the mine tunnel;

[0031] The staff can first start the electric pneumatic cylinder 2 through the control panel 16, so that the electric pneumatic cylinder 2 pushes the lifting plate 6 to move, and then pushes the drill bit 9 to move upward, so that the drill bit 9 contacts the top of the mine tunnel;

[0032] At this time, the elastic action of the spring 21 pushes the second protective shield 10 to move, so that the second protective shield 10 can be closely fitted with the top of the mine tunnel, that is, the first protective shield 7 and the second protective shield 10 can be shielded outside the drill bit 9;

[0033] During the top cutting operation, the worker can start the motor 5 through the control panel 16, so that the motor 5 drives the drill bit 9 to rotate through the rotating shaft 8, and the top cutting can be performed through the drill bit 9, and the first protective shield 7 and the second protective shield 10 are shielded on the outside of the drill bit 9, which can prevent the coal blocks generated by the top cutting from falling around, avoiding the coal blocks from damaging the device and preventing the coal blocks from injuring the workers;

[0034] During the top cutting process, the staff can start the vacuum pump 14 through the control panel 16, so that the vacuum pump 14 can extract the gas inside the dust box 12 through the vacuum pipe 15, so that the dust generated by the top cutting inside the first protective shield 7 can be sucked into the dust box 12, and the dust in the gas can be filtered through the screen 13, so that the dust can be collected inside the dust box 12;

[0035] After use, the staff can open the sealing plug on the waste outlet 20 to discharge the coal fragments collected inside the first protective shield 7 through the waste outlet 20, and open the box door to clean the dust collected on the screen 13 in a unified manner.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A coal mine top cutting drill vehicle with protective function, comprising a vehicle body (1), a lifting plate (6), a first protective shield (7) and a dust collecting box (12), characterized in that: A fixing plate (3) is installed at one end of the top of the vehicle body (1), and a dust box (12) is installed at one end of the top of the vehicle body (1) away from the fixing plate (3), a sliding assembly (4) is installed at one end of the fixing plate (3) close to the dust box (12), and a lifting plate (6) is slidably installed at one end of the sliding assembly (4) away from the fixing plate (3), a first protective shield (7) is installed at the top of the lifting plate (6), and a mounting groove (19) is provided at the top of the first protective shield (7), a motor (5) is installed at the bottom of the lifting plate (6), and the top of the vehicle body (1) close to the dust box (12) is provided with a first protective shield (7). An electric pneumatic cylinder (2) is installed at one end of the fixed plate (3), and the output end of the electric pneumatic cylinder (2) is connected to the lifting plate (6); an air pump (14) is installed at one end of the dust box (12) away from the fixed plate (3), and an air extraction pipe (15) extending into the interior of the dust box (12) is installed at the input end of the air extraction pump (14); a control panel (16) is installed at one end of the vehicle body (1) away from the fixed plate (3), and the output end of the control panel (16) is electrically connected to the input ends of the electric pneumatic cylinder (2), the motor (5) and the air extraction pump (14) respectively through wires.

2. A coal mine top cutting drill vehicle with protective function according to claim 1, characterized in that: Both ends of the installation groove (19) are provided with a slide groove (17), and a sliding block (18) is slidably installed inside the slide groove (17), and a second protective shield (10) is installed inside the sliding block (18).

3. A coal mine top cutting drill vehicle with protective function according to claim 2, characterized in that: Springs (21) are installed at both ends of the bottom of the second protective shield (10), and one end of the spring (21) away from the second protective shield (10) is connected to the first protective shield (7).

4. A coal mine top cutting drill vehicle with protective function according to claim 1, characterized in that: A screen (13) is installed inside the dust box (12), a hose (11) is installed on the top of the dust box (12), and one end of the hose (11) away from the dust box (12) is connected to the second protective shield (10).

5. The coal mine top cutting drill vehicle with protective function according to claim 1, characterized in that: A waste discharge port (20) is provided at the bottom of one end of the first protective shield (7) away from the fixed plate (3), and a sealing plug is installed inside the waste discharge port (20).

6. A coal mine top cutting drill vehicle with protective function according to claim 1, characterized in that: A rotating shaft (8) is installed at the output end of the motor (5), the rotating shaft (8) passes through the lifting plate (6) and extends to the inside of the first protective shield (7), and a drill bit (9) is installed on the top of the rotating shaft (8).

7. A coal mine top cutting drill vehicle with protective function according to claim 1, characterized in that: A box door is installed on one side of the dust collecting box (12), and a handle is installed on the outer side of the box door.