Dustproof air inlet device of pneumatic rock loading machine

Abstract

The invention belongs to the field of pneumatic rock loading machines, and provides a dustproof pneumatic rock loading machine air inlet device which comprises a rotary machine body, a walking operating valve and a walking air power machine, a filtering assembly for conducting dustproof filtering on air is arranged on the side face of the walking operating valve, and the side face of the rotary machine body is connected with a front pre-filtering cylinder. A connecting piece is arranged between the connecting pipe and the walking operating valve, the front pre-filter cartridge is connected with the fiber filter cartridge through the connecting pipe, and a first filter body and a second filter body are arranged on the inner side wall of the fiber filter cartridge; air entering the device can be filtered in a layered mode through the multi-stage filtering assembly, the front pre-filtering cylinder can intercept large-particle dust firstly, the fiber filtering cylinder is matched with the first filtering body and the second filtering body to further filter fine dust, the inlet air cleanliness is remarkably improved, dust is effectively prevented from entering core pneumatic components such as a walking air power machine and a walking operating valve, and the service life of the device is prolonged. Part abrasion and faults are reduced, and the service life of equipment is prolonged.

Description

Technical Field

[0001] This invention belongs to the field of pneumatic rock loading machines, specifically a dustproof pneumatic rock loading machine air intake device. Background Technology

[0002] Pneumatic rock loading machines are core equipment in mining, tunneling and other engineering projects. Their working environment is often characterized by high dust concentration and harsh working conditions. As the core component of the pneumatic system, the air intake device directly affects the operational stability and service life of the equipment.

[0003] Regarding the aforementioned technologies, the inventors believe that the following defects exist: Existing pneumatic loading machines generally suffer from the following shortcomings in their air intake devices: The filter structure design is simple, often employing single-stage filtration or conventional filter media, which can only intercept some large dust particles and cannot effectively filter fine dust. This allows dust to easily penetrate core pneumatic components such as the traveling air power unit and traveling control valve, causing component wear, seal failure, and ultimately equipment malfunction, shortening the overall machine's service life. Furthermore, the installation and disassembly of the filter cartridges are complex, typically requiring specialized tools and involving cumbersome steps. This not only increases the workload of maintenance personnel but also leads to prolonged filter cartridge replacement time and high equipment downtime maintenance costs, making it difficult to meet the demands of efficient continuous operation in mining and other similar scenarios.

[0004] To address the problems raised in the background art, those skilled in the art have proposed a dustproof pneumatic rock-loading machine air intake device. Summary of the Invention

[0005] To address the aforementioned technical problems, this invention provides a dustproof pneumatic rock-loading machine air intake device, which solves the problems of insufficient filtration layers, poor dustproof effect, reliance on special tools for filter cartridge disassembly and assembly, cumbersome procedures, and low maintenance and replacement efficiency in existing pneumatic rock-loading machine air intake devices.

[0006] A dustproof pneumatic rock-loading machine air intake device includes a rotating body, a travel control valve and a travel air power unit. The travel control valve is provided with a filter assembly for dustproof air filtration. The filter assembly includes a fiber filter cartridge, a pre-filter cartridge and a connecting pipe. The fiber filter cartridge is provided with quick-release assembly components at both ends.

[0007] The side of the rotary machine body is connected to the front pre-filter cartridge, and a connecting piece is provided between the connecting pipe and the travel control valve. The front pre-filter cartridge is connected to the fiber filter cartridge through the connecting pipe, and a first filter body and a second filter body are provided on the inner side wall of the fiber filter cartridge.

[0008] Through the above technical solution, the multi-stage filtration assembly, consisting of a pre-filter cartridge, a fiber filter cartridge, and an inner first filter body and a second filter body, can perform stratified filtration of the air entering the device. The pre-filter cartridge can first intercept large dust particles, and the fiber filter cartridge, together with the first and second filter bodies, further filters fine dust, significantly improving the cleanliness of the incoming air, effectively preventing dust from entering core pneumatic components such as the walking pneumatic motor and walking control valve, reducing component wear and failure, and extending the service life of the equipment.

[0009] The assembly and disassembly components include two sets of fixing parts, a main card seat, a second card block, a telescopic part, and a quick-release part. The fixing parts are connected to both ends of the fiber filter cartridge. The side of the fixing part is provided with a main card slot that engages with the main card seat. The side of the main card seat is connected to the second card block. The side of the main card slot is provided with a second card slot that engages with the second card block. The fixing part is provided with an installation groove. The side of the quick-release part slides with the side wall of the installation groove. The quick-release part is adapted to the position of the second card slot.

[0010] Through the above technical solution, the disassembly and assembly components at both ends of the fiber filter cartridge form a convenient and quick disassembly and assembly mechanism through the cooperation of structures such as fixing parts, main card seat, second card block, and quick release parts. No complicated tools are required. The filter cartridge can be installed and disassembled by the card slot and card block and the operation of quick release parts, which greatly shortens the maintenance and replacement time and reduces downtime costs. It is especially suitable for high-efficiency operation needs in harsh environments such as mines.

[0011] Preferably, the two sets of fasteners are fixedly connected to both ends of the connecting pipe.

[0012] Preferably, an air intake pipe is connected to the side of the connecting pipe, and one end of the air intake pipe extends outward.

[0013] Through the above technical solution, the filter assembly is rationally connected to components such as the travel control valve via connecting pipes and connectors. Combined with the extended design of the air intake pipe, it ensures efficient filtration while guaranteeing a smooth air intake path and reducing air pressure loss. Clean and stable air intake provides a reliable power source for pneumatic components such as the travel air compressor, improving the stability and efficiency of equipment operation.

[0014] Preferably, a bucket lifting control valve is installed on the side of the rotary machine body, and the position of the bucket lifting control valve is adapted to that of the travel control valve.

[0015] Preferably, the walking control valve and the side of the walking pneumatic motor are provided with two sets of connecting air pipes.

[0016] Preferably, the slewing machine body has two sets of bucket arms on its side, and the bucket arms are connected by a bucket lifting assembly.

[0017] Preferably, a sail box is installed on the upper surface of the rotary machine body, and a chain is provided between the sail box and the bucket assembly.

[0018] Preferably, a tunneling bucket is connected to the lower end of the bucket arm, and a small spring assembly is connected to the side of the bucket arm.

[0019] Preferably, a plurality of wheels are mounted on the side of the rotary machine body, and the wheels are adapted to the position of the traveling aerodynamic engine.

[0020] Through the above technical solution, the multi-stage filtration assembly, consisting of a pre-filter cartridge, a fiber filter cartridge, and an inner first filter body and a second filter body, can perform stratified filtration of the air entering the device. The pre-filter cartridge can first intercept large dust particles, and the fiber filter cartridge, together with the first and second filter bodies, further filters fine dust, significantly improving the cleanliness of the incoming air, effectively preventing dust from entering core pneumatic components such as the walking pneumatic motor and walking control valve, reducing component wear and failure, and extending the service life of the equipment.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. This invention uses a multi-stage filtration assembly consisting of a pre-filter cartridge, a fiber filter cartridge, and an inner first filter body and a second filter body to perform stratified filtration of the air entering the device. The pre-filter cartridge can first intercept large dust particles, and the fiber filter cartridge, together with the first and second filter bodies, further filters fine dust particles, significantly improving the cleanliness of the incoming air, effectively preventing dust from entering core pneumatic components such as the walking pneumatic motor and walking control valve, reducing component wear and failure, and extending the service life of the equipment.

[0023] 2. This invention forms a convenient and quick disassembly and assembly mechanism by using the disassembly and assembly components at both ends of the fiber filter cartridge, through the cooperation of structures such as fixing parts, main card seat, second card block, and quick-release parts. No complicated tools are required. The filter cartridge can be installed and disassembled by the card slot and card block and the operation of the quick-release parts, which greatly shortens the maintenance and replacement time and reduces downtime costs. It is especially suitable for high-efficiency operation requirements in harsh environments such as mines.

[0024] 3. This invention, through the reasonable connection of connecting pipes, connectors and walking control valves, combined with the extended design of the air intake pipe, ensures efficient filtration while guaranteeing a smooth air intake path, reducing air pressure loss, and providing clean and stable air intake to provide a reliable power source for pneumatic components such as the walking air power unit, thereby improving the stability and efficiency of equipment operation. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the first three-dimensional overall structure of the present invention;

[0026] Figure 2 This is a schematic diagram of the front structure of the present invention;

[0027] Figure 3This is a schematic diagram of the left-side structure of the present invention;

[0028] Figure 4 This is a schematic diagram of the second three-dimensional structure of the present invention;

[0029] Figure 5 This is a three-dimensional structural diagram of the fiber filter cartridge in this invention;

[0030] Figure 6 This is a front view schematic diagram of the filter component in this invention;

[0031] Figure 7 for Figure 6 Schematic diagram of the cross-sectional structure of section AA;

[0032] Figure 8 for Figure 7 A magnified schematic diagram of the structure at point C.

[0033] In the picture:

[0034] 1. Rotating body; 2. Tunneling bucket; 3. Bucket arm; 4. Small spring assembly; 5. Chain; 6. Wheel; 7. Traveling pneumatic motor; 8. Connecting air pipe; 9. Traveling control valve; 10. Pre-filter cartridge; 11. Fiber filter cartridge; 12. Connecting pipe; 13. Bucket lifting control valve; 14. Sail box; 15. Air inlet pipe; 16. Connecting parts; 17. Fixing parts; 18. Quick release parts; 19. Telescopic parts; 20. Main mounting bracket; 21. Main mounting slot; 22. Second mounting block; 23. Second mounting slot; 24. Mounting slot; 25. First filter body; 26. Second filter body; 27. Bucket lifting assembly. Detailed Implementation

[0035] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of the invention.

[0036] Example 1: As shown in the attached document Figure 1 To be continued Figure 8 As shown: This invention provides a dustproof pneumatic rock-loading machine air intake device, including a rotating body 1, a travel control valve 9, and a travel pneumatic motor 7. The travel pneumatic motor 7 serves as the driving source for the machine's movement, and its reliability directly affects the overall mobility of the machine. The travel control valve 9 controls the flow rate and direction of compressed air to the travel pneumatic motor 7, enabling the rock-loading machine to travel, stop, and change direction. The two are connected by an air pipe 8 to form a closed air circuit system. A filter assembly for dustproof air filtration is provided on the side of the travel control valve 9. The filter assembly includes a fiber filter cartridge 11, a pre-filter cartridge 10, and a connecting pipe 12. The fiber filter cartridge 11 has quick-release assembly components at both ends.

[0037] The side of the rotary body 1 is connected to the pre-filter cartridge 10. A connector 16 is provided between the connecting pipe 12 and the travel control valve 9. The pre-filter cartridge 10 is connected to the fiber filter cartridge 11 through the connecting pipe 12. The inner wall of the fiber filter cartridge 11 is provided with a first filter element 25 and a second filter element 26. The pre-filter cartridge 10, as the first stage of filtration, is directly connected to the side of the rotary body 1. Its main function is to filter out most of the large particles of dust, debris, and moisture in the air, playing a role in initial protection and reducing the burden on the subsequent fine filtration. Unit 11, as the second and core fine filtration unit, is connected to the outlet of the pre-filter cartridge 10 via connecting pipe 12. The first filter element 25 is made of high-efficiency fiber material and is responsible for capturing fine dust particles. The second filter element 26 is a higher-precision filter layer or a composite layer containing adsorbent materials such as activated carbon, used for further purification and even adsorbing pollutants such as oil mist, ensuring that the air entering the travel control valve 9 is extremely clean. The filtered clean air is delivered to the travel control valve 9 through the connector 16 at the end of the connecting pipe 12. In addition, an air inlet pipe 15 can be connected to the side of the connecting pipe 12. This pipe can extend outward to a relatively clean air area to reduce the dust concentration in the intake air from the source.

[0038] The assembly includes two sets of fixing components 17, a main retaining seat 20, a second retaining block 22, a telescopic component 19, and a quick-release component 18. The second retaining block 22 is slidably connected to the side of the main retaining seat 20, and a fixing spring connects the second retaining block 22 and the main retaining seat 20. Each fixing component 17 has a main retaining groove 21, and the corresponding main retaining seat 20 can be precisely engaged into the main retaining groove 21 to achieve initial axial positioning and fixation. To resist airflow pressure or vibration, a second retaining block 22 is also provided on the side of the main retaining seat 20, and a second retaining groove 23 is correspondingly provided on the side of the main retaining groove 21, forming a secondary locking. An installation groove 24 is provided inside the fixing component 17, and the quick-release component 18 is a telescopic button that is slidably installed in it. The telescopic component 19 is a spring that provides a return driving force for the quick-release component 18, allowing it to return to its original position after being inserted into the area of ​​the second retaining groove 23 when removal is required. When disassembly is required, simply press the quick-release piece 18 manually to compress the second locking block 22 into the main locking seat 20 and remove it from the area of ​​the second locking slot 23 to release the lock and easily remove the main locking seat 20 together with the fiber filter cartridge 11.

[0039] As can be seen from the above, when the rock loading machine is working, external air is introduced through the air inlet pipe 15 and flows through the pre-filter cartridge 10 and the fiber filter cartridge 11 in sequence. After two stages of filtration, it becomes clean air. The clean air enters the travel control valve 9 through the connecting pipe 12 and the connecting piece 16. The operator operates the travel control valve 9 to control the clean compressed air to drive the travel air power unit 7. When the fiber filter cartridge 11 needs to be replaced, the quick release piece 18 is pressed. The quick release piece 18 pushes the second locking block 22 into the main locking seat 20, which can release the lock. The main locking seat 20 and the fiber filter cartridge 11 can be easily removed as a whole. Then, the main locking seats 20 at both ends of the new fiber filter cartridge 11 are inserted into the main locking slot 21. When the second locking block 22 reaches the position of the second locking slot 23, it automatically locks in, forming a secondary lock. At this time, the replacement of the fiber filter cartridge 11 is completed.

[0040] Example 2: As shown in the attached document Figure 1 To be continued Figure 8 As shown: This embodiment is basically the same as the previous embodiment, except that a dustproof pneumatic rock-loading machine air intake device includes a rotating body 1, a travel control valve 9, and a travel pneumatic motor 7. The travel pneumatic motor 7 serves as the driving source for the machine's movement, and its reliability directly affects the overall mobility of the machine. The travel control valve 9 controls the flow rate and direction of compressed air to the travel pneumatic motor 7, enabling the rock-loading machine to travel, stop, and change direction. The two are connected by an air pipe 8 to form a closed air circuit system. A filter assembly for dustproof air filtration is provided on the side of the travel control valve 9. The filter assembly includes a fiber filter cartridge 11, a pre-filter cartridge 10, and a connecting pipe 12. The fiber filter cartridge 11 has quick-release assembly components at both ends.

[0041] The side of the rotary body 1 is connected to the pre-filter cartridge 10. A connector 16 is provided between the connecting pipe 12 and the travel control valve 9. The pre-filter cartridge 10 is connected to the fiber filter cartridge 11 through the connecting pipe 12. The inner wall of the fiber filter cartridge 11 is provided with a first filter element 25 and a second filter element 26. The pre-filter cartridge 10, as the first stage of filtration, is directly connected to the side of the rotary body 1. Its main function is to filter out most of the large particles of dust, debris, and moisture in the air, playing a role in initial protection and reducing the burden on the subsequent fine filtration. Unit 11, as the second and core fine filtration unit, is connected to the outlet of the pre-filter cartridge 10 via connecting pipe 12. The first filter element 25 is made of high-efficiency fiber material and is responsible for capturing fine dust particles. The second filter element 26 is a higher-precision filter layer or a composite layer containing adsorbent materials such as activated carbon, used for further purification and even adsorbing pollutants such as oil mist, ensuring that the air entering the travel control valve 9 is extremely clean. The filtered clean air is delivered to the travel control valve 9 through the connector 16 at the end of the connecting pipe 12. In addition, an air inlet pipe 15 can be connected to the side of the connecting pipe 12. This pipe can extend outward to a relatively clean air area to reduce the dust concentration in the intake air from the source.

[0042] The assembly includes two sets of fixing components 17, a main retaining seat 20, a second retaining block 22, a telescopic component 19, and a quick-release component 18. The second retaining block 22 is slidably connected to the side of the main retaining seat 20, and a fixing spring connects the second retaining block 22 and the main retaining seat 20. Each fixing component 17 has a main retaining groove 21, and the corresponding main retaining seat 20 can be precisely engaged into the main retaining groove 21 to achieve initial axial positioning and fixation. To resist airflow pressure or vibration, a second retaining block 22 is also provided on the side of the main retaining seat 20, and a second retaining groove 23 is correspondingly provided on the side of the main retaining groove 21, forming a secondary locking. An installation groove 24 is provided inside the fixing component 17, and the quick-release component 18 is a telescopic button that is slidably installed in it. The telescopic component 19 is a spring that provides a return driving force for the quick-release component 18, allowing it to return to its original position after being inserted into the area of ​​the second retaining groove 23 when removal is required. When disassembly is required, simply press the quick-release piece 18 manually to compress the second locking block 22 into the main locking seat 20 and remove it from the area of ​​the second locking slot 23 to release the lock and easily remove the main locking seat 20 together with the fiber filter cartridge 11.

[0043] The side of the connecting pipe 12 is connected to the air intake pipe 15, and one end of the air intake pipe 15 extends outward.

[0044] The bucket lifting control valve 13 is installed on the rotary machine body 1, close to the travel control valve 9, and is used to control the air path for bucket lifting operations, so as to facilitate centralized control by the operator.

[0045] Two sets of connecting air pipes 8 are provided on the side of the travel control valve 9 and the travel air power unit 7.

[0046] Two sets of bucket arms 3 are hinged to the side of the rotary machine body 1, with a digging bucket 2 installed at its lower end. A bucket lifting assembly 27 is connected between the bucket arms 3, and a small spring assembly 4 provides cushioning and restoring force. The sail box 14 is installed on the upper part of the rotary machine body 1, and its internal mechanism drives the bucket lifting assembly 27 to move through a chain 5, completing the loading, lifting and unloading cycle.

[0047] Several wheels 6 are mounted on the side of the rotating body 1, which are driven by a walking aerodynamic engine 7.

[0048] As can be seen from the above, when the pneumatic loading machine is working, compressed air from the external environment is first introduced into the intake pipe 15 under the suction of the system's negative pressure. The design of the intake pipe 15 allows the air inlet to be extended to a relatively clean area above or behind the equipment, initially avoiding most of the dust at the source. The air then enters the pre-filter cartridge 10, where most of the large particles of dust, rock chips, water droplets, and oil droplets carried in the air are effectively trapped. This stage acts like a "sieve," removing impurities that would cause physical blockage or premature wear of the downstream precision filter cartridge, significantly extending the service life of the core filter cartridge. The pre-purified air enters the interior of the fiber filter cartridge 11 through the connecting pipe 12. Inside the fiber filter cartridge 11, the air passes through the first filter body 25 and the second filter body 26 in sequence. The first filter body 25 is made of high-efficiency filter paper or fine fibers and is responsible for capturing micron-sized fine dust particles. The second filter body 26 acts as the final barrier, with higher precision, or contains special adsorption materials, which can further filter out submicron-sized particles and any gaseous oil mist that may be present. At this point, the air has undergone a transformation from polluted to clean, becoming clean and dry air that meets the requirements for use with high-pressure precision pneumatic components. The clean air flows through the end of the connecting pipe 12 and, through a reliable connector 16, is finally delivered to the travel control valve 9. The operator pushes or turns the valve handle of the travel control valve 9 according to the work requirements. This control valve is a directional control valve that, according to instructions, precisely distributes the clean compressed air from the fiber filter cartridge 11 to different channels. The distributed high-pressure clean air enters the travel pneumatic power unit 7 through the connecting air pipe 8. Clean air performs work here, driving the rotor inside the pneumatic motor to rotate at high speed, converting air pressure energy into mechanical energy. The rotational torque output by the walking pneumatic motor 7 is transmitted through the chain 5 transmission system, ultimately driving the wheels 6 installed on the side of the rotating body 1 to rotate, thereby realizing the forward, backward, or turning of the rock loading machine. When the fiber filter cartridge 11 needs to be replaced, press the quick release piece 18. The quick release piece 18 pushes the second locking block 22 into the main locking seat 20, which can release the lock and easily remove the main locking seat 20 together with the fiber filter cartridge 11. Then, align the fixing pieces 17 at both ends of the new or cleaned fiber filter cartridge 11 with the main locking seat 20 and push them in forcefully, so that the main locking seat 20 is embedded in the main locking groove 21. At the same time, the second locking block 22 slides into the area of ​​the second locking groove 23. When you hear a "click", the second locking block 22 is locked into the second locking groove 23, and the installation is complete.

[0049] The embodiments of the present invention are given for illustrative and descriptive purposes. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention. In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. "A plurality of" means two or more, unless otherwise explicitly specified.

[0050] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

Claims

1. A dustproof pneumatic rock-loading machine air intake device, characterized in that, It includes a rotating body (1), a travel control valve (9) and a travel pneumatic motor (7). The travel control valve (9) is provided with a filter assembly for dust filtering of air on its side. The filter assembly includes a fiber filter cartridge (11), a pre-filter cartridge (10) and a connecting pipe (12). The fiber filter cartridge (11) is provided with quick disassembly and assembly components at both ends. The side of the rotary machine body (1) is connected to the pre-filter cartridge (10), and a connector (16) is provided between the connecting pipe (12) and the travel control valve (9). The pre-filter cartridge (10) is connected to the fiber filter cartridge (11) through the connecting pipe (12). The inner wall of the fiber filter cartridge (11) is provided with a first filter body (25) and a second filter body (26). The assembly and disassembly assembly includes two sets of fixing parts (17), a main card seat (20), a second card block (22), a telescopic part (19), and a quick-release part (18). The fixing parts (17) are connected to both ends of the fiber filter cartridge (11). The side of the fixing parts (17) is provided with a main card groove (21) that engages with the main card seat (20). The side of the main card seat (20) is connected to the second card block (22). The side of the main card groove (21) is provided with a second card groove (23) that engages with the second card block. The fixing parts (17) are provided with an installation groove (24). The side of the quick-release part (18) is slidably engaged with the side wall of the installation groove (24). The quick-release part (18) is positioned to match the second card groove (23).

2. The dustproof pneumatic rock-loading machine air intake device according to claim 1, characterized in that: The two sets of fasteners (17) are fixedly connected to both ends of the connecting pipe (12).

3. The dustproof pneumatic rock-loading machine air intake device according to claim 2, characterized in that: The connecting pipe (12) is connected to an air inlet pipe (15) on its side, and one end of the air inlet pipe (15) extends outward.

4. The dustproof pneumatic rock-loading machine air intake device according to claim 1, characterized in that: The side of the rotary machine body (1) is equipped with a bucket lifting control valve (13), which is adapted to the position of the travel control valve (9).

5. The dustproof pneumatic rock-loading machine air intake device according to claim 1, characterized in that: The walking control valve (9) and the walking pneumatic motor (7) are provided with two sets of connecting air pipes (8) on the side.

6. The dustproof pneumatic rock-loading machine air intake device according to claim 1, characterized in that: The rotary machine body (1) has two sets of bucket arms (3) on its side, and the bucket arms (3) are connected to each other by a bucket lifting assembly (27).

7. The dustproof pneumatic rock-loading machine air intake device according to claim 6, characterized in that: A sail box (14) is installed on the upper surface of the rotary machine body (1), and a chain (5) is provided between the sail box (14) and the bucket assembly (27).

8. A dustproof pneumatic rock-loading machine air intake device according to claim 6 or 7, characterized in that: The lower end of the bucket arm (3) is connected to the excavation bucket (2), and the side of the bucket arm (3) is connected to the small spring assembly (4).

9. The dustproof pneumatic rock-loading machine air intake device according to claim 1, characterized in that: The rotating body (1) has several wheels (6) mounted on its side, and the wheels (6) are adapted to the position of the traveling aerodynamic engine (7).

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