Dustless drilling rig for geological survey

Abstract

The utility model provides a dust-free drilling rig for geological survey, which comprises a cart and a handrail, and the handrail is fixedly mounted at the top of the cart. The protection mechanism is arranged to avoid dust splashing, meanwhile, the spraying mechanism can start a water pump to convey water in a water tank to an atomization spray head through a conveying pipe, a flow dividing pipe and a rubber hose while a drill bit punches holes, water mist is generated for dust falling, meanwhile, a knocking rod intermittently knocks on the surface of a protection cover, then vibration force is generated, and the dust falling effect is achieved. And finally, an adjusting mechanism can adjust the spraying angle, so that the spraying effect is improved, meanwhile, dust falling on an atomization spray head can be thrown off in the swing adjusting process, the atomization spray head is prevented from being blocked, and the problem that in the drilling process, the dust protection function is often lacked, and the drilling efficiency is improved is solved. And a large amount of dust flies away, the sight of a user can be influenced, and then the drilling efficiency of the user is influenced.

Description

Technical Field

[0001] This utility model relates to the field of geographic information technology, specifically a dust-free drilling device for geological exploration. Background Art

[0002] Drilling equipment refers to mechanical devices and equipment used for drilling operations. However, when existing geological exploration equipment drills into hard geological formations, prolonged drilling will reduce the lifespan of the drilling tools. When transporting exploration equipment, manual labor is required to transport the drilling equipment to the drilling site with the help of other equipment, which is time-consuming, labor-intensive, and increases economic costs. At the same time, drilling on-site generates a lot of dust, which affects the work of other projects in the surrounding area.

[0003] Existing equipment often lacks dust protection during drilling, and the large amount of dust flying around can affect the user's vision, thereby affecting the user's drilling efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a dust-free drilling device for geological exploration to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A dust-free drilling device for geological exploration includes a trolley and a handrail. The handrail is fixedly installed on the top of the trolley. A hydraulic rod is fixedly installed on the top of the trolley. The output end of the hydraulic rod is fixedly connected to a support base. A drilling motor is fixedly installed on one side of the support base. The output end of the drilling motor extends through to one side of the support base and is fixedly connected to a drill bit.

[0007] A protective mechanism is fixedly installed on the trolley to prevent dust from flying and affecting the user's vision;

[0008] A spraying mechanism is fixedly installed on the protective structure and can prevent dust from scattering by spraying water mist into the protective structure.

[0009] Preferably, the protective mechanism includes a protective cover movably mounted on one side of the cart, two support blocks fixedly connected to one side of the protective cover, one side of the support blocks fixedly connected to one side of the cart, a soil discharge pipe fixedly connected to the bottom of the protective cover, and a mating hole for use with a drill bit on one side of the protective cover.

[0010] Preferably, the spraying mechanism includes a water tank fixedly installed at the bottom of the trolley, a water pump fixedly installed on one side of the water tank, a delivery pipe fixedly connected to the water pump's water delivery end, a diversion pipe fixedly connected to one side of the delivery pipe, rubber hoses fixedly connected to both ends of the diversion pipe, one end of the rubber hose penetrating into the interior of the protective cover and fixedly connected to an atomizing nozzle.

[0011] Preferably, a knocking mechanism is fixedly provided on one side of the protective cover, which can prevent soil from adhering to the soil discharge pipe and being difficult to discharge after being atomized and dusted by the spraying mechanism.

[0012] The striking mechanism includes a rotating motor fixedly mounted on the protective cover. A missing gear is fixedly connected to the output end of the rotating motor. Toothed plates are provided at both the top and bottom of the missing gear. A transmission rod is fixedly connected to one end of each toothed plate. One end of the transmission rod extends through to one side of the support block and is fixedly connected to a striking plate. A striking rod is fixedly connected to one side of the striking plate. One end of the striking rod contacts one side of the protective cover. A tension spring is provided on one side of the striking rod. One end of the tension spring is fixedly connected to one side of the protective cover, and the other end of the tension spring is fixedly connected to one side of the striking plate. An adjustment mechanism is provided at the top of the striking plate, which can continuously adjust the spray angle of the spray mechanism to improve the dust suppression effect.

[0013] Preferably, the adjustment mechanism includes a mating block fixedly mounted on the top of the striking plate, a pull-out box on one side of the mating block, the bottom of the pull-out box being fixedly connected to the top of the support block, a first piston inside the pull-out box, a first pushing block fixedly connected to one side of the first piston, a first pushing rod fixedly connected to one side of the first pushing block, one end of the first pushing rod penetrating to the outside of the pull-out box and fixedly connected to one side of the mating block, an air supply pipe fixedly connected to one side of the pull-out box, one end of the air supply pipe being fixedly connected to a compression chamber, a second piston inside the compression chamber, a second pushing block fixedly connected to the bottom of the second piston, a second pushing rod fixedly connected to one side of the second pushing block, one end of the second pushing rod penetrating to the inside of the protective cover and fixedly connected to a first connecting block, a swing arm movably connected to one side of the first connecting block via a pivot, a second connecting block movably connected to one end of the swing arm via a pivot, and one end of the second connecting block being fixedly connected to the top of the atomizing nozzle.

[0014] Preferably, the soil discharge pipe is inclined downward at a 45-degree angle.

[0015] Preferably, the first piston and the second piston are made of silicone, and their outer surfaces are in close contact with the inner walls of the pull-out box and the compression box, respectively.

[0016] Preferably, a spring is fitted onto the surface of the second push rod, the top of the spring is fixedly connected to the bottom of the second push block, and the bottom of the spring is fixedly connected to the bottom of the compression box.

[0017] Preferably, a rotating rod is fixedly connected to one side of the atomizing nozzle, and a bearing is provided at one end of the rotating rod. The rotating rod is rotatably connected to the inner wall of the protective cover through the bearing.

[0018] Preferably, sliding blocks are fixedly connected to both sides of the support base. A sliding hole is opened on one side of the sliding block, and a sliding rod is inserted into the sliding hole. One end of the sliding rod is fixedly connected to one side of the handrail, and a positioning block is fixedly connected to the other end of the sliding rod. The bottom of the positioning block is fixedly connected to the top of the trolley.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] 1. By setting up a protective mechanism, this utility model can isolate the dust generated when the drill bit is drilling. Then, the dirt and dust are discharged from the discharge pipe, avoiding dust splashing. This solves the problem that there is often no dust protection function during the drilling process, and a large amount of dust flying around will affect the user's vision and thus affect the user's drilling efficiency.

[0021] 2. By setting up a spraying mechanism, this utility model can start the water pump while the drill bit is drilling, and deliver water in the water tank through the delivery pipe, the diversion pipe and the rubber hose to the atomizing nozzle to generate water mist to suppress dust. This solves the problem that the protective mechanism can prevent dust from splashing and thus affecting the user's vision. However, after the dust is discharged from the soil discharge pipe, some dust will still be raised, which will also affect the user's vision.

[0022] 3. By setting up a striking mechanism, this utility model can start a rotating motor to work with the striking mechanism to make the striking rod intermittently strike the surface of the protective cover, thereby generating vibration force and increasing the speed of soil discharge. This solves the problem that the spraying mechanism can achieve the effect of dust suppression by spraying water mist into the protective cover, but the water mist will cause the soil to clump when it comes into contact with the soil, which will easily block the soil discharge pipe when it falls. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0024] Figure 2 This is a perspective view of a partial structure of the protective mechanism of this utility model;

[0025] Figure 3 This is a perspective view of a portion of the structure of this utility model;

[0026] Figure 4 This is a perspective view of a partial structure of the protective mechanism of this utility model.

[0027] Figure 5 For this utility model Figure 4 A partial enlarged view of point A in the middle;

[0028] Figure 6 This is a perspective view of the striking mechanism of this utility model;

[0029] Figure 7 This is a perspective view of a portion of the adjustment mechanism of this utility model;

[0030] Figure 8 This is a perspective view of the compression box of this utility model.

[0031] Figure 9 This is a perspective view of the pull-out box of this utility model.

[0032] In the diagram: 1. Cart; 2. Handrail; 3. Hydraulic rod; 4. Support base; 5. Drilling motor; 6. Drill bit; 7. Protective cover; 8. Support block; 9. Soil discharge pipe; 10. Mating hole; 11. Water tank; 12. Water pump; 13. Delivery pipe; 14. Diverter pipe; 15. Rubber hose; 16. Atomizing nozzle; 17. Rotating motor; 18. Missing gear; 19. Toothed plate; 20. Transmission rod; 21. Striking plate; 22. Striking rod; 23. Tension spring ; 24. Mating block; 25. Pull-out box; 26. First piston; 27. First push block; 28. First push rod; 29. ​​Gas supply pipe; 30. Compression box; 31. Second piston; 32. Second push block; 33. Second push rod; 34. First connecting block; 35. Swing arm; 36. Second connecting block; 37. Spring; 38. Rotating rod; 39. Bearing; 40. Sliding block; 41. Sliding hole; 42. Sliding rod; 43. Positioning block. Detailed Implementation

[0033] See also Figure 1-9 , the utility model provides a technical solution:

[0034] Example 1: A dust-free drilling device for geological exploration includes a trolley 1 and a handrail 2. The handrail 2 is fixedly installed on the top of the trolley 1. A hydraulic rod 3 is fixedly installed on the top of the trolley 1. The output end of the hydraulic rod 3 is fixedly connected to a support base 4. A drilling motor 5 is fixedly installed on one side of the support base 4. The output end of the drilling motor 5 extends through to one side of the support base 4 and is fixedly connected to a drill bit 6.

[0035] The protective mechanism is fixedly installed on the trolley 1 to prevent dust from flying and affecting the user's vision.

[0036] The spraying mechanism is fixedly installed on the protective structure and can prevent dust from scattering by spraying water mist into the protective structure.

[0037] In one embodiment of this example, the protective mechanism includes a protective cover 7 movably mounted on one side of the trolley 1. Two support blocks 8 are fixedly connected to one side of the protective cover 7. One side of the support blocks 8 is fixedly connected to one side of the trolley 1. A soil discharge pipe 9 is fixedly connected to the bottom of the protective cover 7. A mating hole 10 for use with the drill bit 6 is opened on one side of the protective cover 7.

[0038] By setting up a protective mechanism, once the trolley 1 moves to the position where the protective cover 7 is in contact with the drilling position, the drilling motor 5 is started to drive the drill bit 6 to drill. At the same time, the hydraulic rod 3 is started to drive the support base 4, the drilling motor 5 and the drill bit 6 forward. The dust generated during drilling will be isolated by the protective cover 7, and then the mud and dust will be discharged from the discharge pipe to prevent dust from splashing.

[0039] This solves the problem that during drilling, there is often a lack of dust protection, which causes a large amount of dust to fly around, affecting the user's vision and thus affecting the user's drilling efficiency.

[0040] The soil discharge pipe 9 is inclined downward at a 45-degree angle.

[0041] By setting up the soil discharge pipe 9, which is designed to be tilted downwards at a 45-degree angle, the efficiency of soil dust falling can be improved.

[0042] Sliding blocks 40 are fixedly connected to both sides of the support base 4. A sliding hole 41 is opened on one side of the sliding block 40. A sliding rod 42 is inserted into the sliding hole 41. One end of the sliding rod 42 is fixedly connected to one side of the handrail 2. The other end of the sliding rod 42 is fixedly connected to a positioning block 43. The bottom of the positioning block 43 is fixedly connected to the top of the trolley 1.

[0043] By setting up sliding block 40, sliding hole 41, sliding rod 42 and positioning block 43, the hydraulic rod 3 can play a limiting role when pushing support base 4, drilling motor 5 and drill bit 6 to move, and at the same time improve the stability during movement.

[0044] Example 2: Based on Example 1, the protective mechanism in this example can prevent dust from splashing and thus affecting the user's vision. However, after the dust is discharged from the soil discharge pipe 9, some dust will still be raised, which will also affect the user's vision. In this application, the spraying mechanism includes a water tank 11 fixedly installed at the bottom of the cart 1. A water pump 12 is fixedly installed on one side of the water tank 11. The water supply end of the water pump 12 is fixedly connected to a delivery pipe 13. A diversion pipe 14 is fixedly connected to one side of the delivery pipe 13. Both ends of the diversion pipe 14 are fixedly connected to rubber hoses 15. One end of the rubber hose 15 penetrates into the interior of the protective cover 7 and is fixedly connected to an atomizing nozzle 16.

[0045] By setting up a spraying mechanism, while the drill bit 6 is drilling, the water pump 12 can start to transport water from the water tank 11 through the delivery pipe 13, the diversion pipe 14 and the rubber hose 15 to the atomizing nozzle 16 to generate water mist for dust suppression.

[0046] The protective mechanism can prevent dust from splashing and thus affecting the user's vision. However, after the dust is discharged from the dust discharge pipe 9, some dust will still be stirred up, which will also affect the user's vision.

[0047] Example 3: Based on Example 2, in this example, the spraying mechanism can achieve the effect of dust suppression by spraying water mist into the protective cover 7. However, when the water mist comes into contact with the soil, it will cause the soil to clump together. As a result, the soil will easily get stuck in the discharge pipe 9 when it falls. In this application, a knocking mechanism is fixedly provided on one side of the protective cover 7 to prevent the soil from adhering to the discharge pipe 9 after being atomized and suppressed by the spraying mechanism and making it difficult to discharge.

[0048] The striking mechanism includes a rotating motor 17 fixedly mounted on the protective cover 7. A missing gear 18 is fixedly connected to the output end of the rotating motor 17. A toothed plate 19 is provided at both the top and bottom of the missing gear 18. A transmission rod 20 is fixedly connected to one end of the toothed plate 19. One end of the transmission rod 20 extends through to one side of the support block 8 and is fixedly connected to a striking plate 21. A striking rod 22 is fixedly connected to one side of the striking plate 21. One end of the striking rod 22 contacts one side of the protective cover 7. A tension spring 23 is provided on one side of the striking rod 22. One end of the tension spring 23 is fixedly connected to one side of the protective cover 7, and the other end of the tension spring 23 is fixedly connected to one side of the striking plate 21. An adjustment mechanism is provided at the top of the striking plate 21, which can continuously adjust the spray angle of the spraying mechanism to improve the dust suppression effect.

[0049] By setting up a striking mechanism, the rotating motor 17 can be started to drive the missing gear 18 to rotate. When the toothed segment of the missing gear 18 contacts the toothed plate 19, it will drive the toothed plate 19, transmission rod 20, striking plate 21 and striking rod 22 to move away from the protective cover 7. At the same time, the striking plate 21 drives the tension spring 23 to be in a stretched state. Then, when the toothed segment of the missing gear 18 is not in contact with the toothed plate 19, the tension force generated by the tension spring 23 pulls the striking plate 21 and striking rod 22 to reset. This cycle is repeated, so that the striking rod 22 intermittently strikes the surface of the protective cover 7, thereby generating vibration force and increasing the speed of soil discharge.

[0050] The problem of dust suppression caused by water mist spraying into the protective cover 7 has been solved. However, the water mist can cause soil to clump together when it comes into contact with the soil, which can easily block the soil discharge pipe 9 when it falls.

[0051] Example 4: Based on Example 2, the spraying mechanism in this example can achieve dust suppression by spraying water mist into the protective cover 7. However, if the spraying angle cannot be adjusted, the dust suppression effect will decrease. In this application, the adjustment mechanism includes a mating block 24 fixedly installed on the top of the striking plate 21. A pull-out box 25 is provided on one side of the mating block 24. The bottom of the pull-out box 25 is fixedly connected to the top of the support block 8. A first piston 26 is provided inside the pull-out box 25. A first pushing block 27 is fixedly connected to one side of the first piston 26. A first pushing rod 28 is fixedly connected to one side of the first pushing block 27. One end of the first pushing rod 28 extends through to the outside of the pull-out box 25. And it is fixedly connected to one side of the mating block 24. One side of the pull-out box 25 is fixedly connected to the air supply pipe 29. One end of the air supply pipe 29 is fixedly connected to the compression box 30. The compression box 30 is equipped with a second piston 31. The bottom of the second piston 31 is fixedly connected to a second push block 32. One side of the second push block 32 is fixedly connected to a second push rod 33. One end of the second push rod 33 penetrates into the interior of the protective cover 7 and is fixedly connected to a first connecting block 34. One side of the first connecting block 34 is movably connected to a swing arm 35 through a rotating shaft. One end of the swing arm 35 is movably connected to a second connecting block 36 through a rotating shaft. One end of the second connecting block 36 is fixedly connected to the top of the atomizing nozzle 16.

[0052] By setting an adjustment mechanism, when the striking plate 21 moves away from the protective cover 7, it drives the mating block 24, the first push rod 28, the first push block 27, and the first piston 26 to move within the pull-out box 25. The first piston 26 compresses the gas in the pull-out box 25 and transmits it to the compression box 30 through the gas supply pipe 29. Affected by the gas pressure, the second piston 31, the second push block 32, the second push rod 33, and the first connecting block 34 move downward. The first connecting block 34 drives the swing arm 35 to make appropriate adjustments around the rotating axis. At the same time, it causes the second connecting block 36 and the atomizing nozzle 16 to rotate around the bearing 39, thereby adjusting the spray angle. When the striking plate 21 is reset, the spray angle will change again in the opposite way to the above steps, thereby improving the spraying effect. At the same time, the dust falling on the atomizing nozzle 16 can be shaken off during the adjustment swing process, preventing the atomizing nozzle 16 from being blocked.

[0053] The solution is that the spraying mechanism can reduce dust by spraying water mist into the protective cover 7, but if the spraying angle cannot be adjusted, the dust reduction effect will be reduced.

[0054] The first piston 26 and the second piston 31 are made of silicone, and their outer surfaces are in close contact with the inner walls of the pull-out box 25 and the compression box 30, respectively.

[0055] By setting the first piston 26 and the second piston 31, a cavity can be formed inside the pull-out box 25 and the compression box 30, and the gas can be compressed by moving the first piston 26 and the second piston 31.

[0056] A spring 37 is fitted onto the surface of the second push rod 33. The top of the spring 37 is fixedly connected to the bottom of the second push block 32, and the bottom of the spring 37 is fixedly connected to the bottom of the compression box 30.

[0057] By setting spring 37, when the striking plate 21 is reset, the elastic force generated by spring 37 can cause the atomizing nozzle 16 to suddenly reset, shaking off the dirt on its surface.

[0058] A rotating rod 38 is fixedly connected to one side of the atomizing nozzle 16. A bearing 39 is provided at one end of the rotating rod 38, and the rotating rod 38 is rotatably connected to the inner wall of the protective cover 7 through the bearing 39.

[0059] By setting the rotating rod 38 and the bearing 39, the atomizing nozzle 16 can be supported, while restricting its rotation and adjustment to only around the bearing 39.

[0060] Working principle: When the trolley 1 moves to the position where the protective cover 7 is in contact with the drilling position, the drilling motor 5 is started to drive the drill bit 6 to drill. At the same time, the hydraulic rod 3 is started to drive the support base 4, the drilling motor 5 and the drill bit 6 forward. The dust generated during drilling will be isolated by the protective cover 7. Then the mud and dust will be discharged from the discharge pipe to prevent dust from splashing.

[0061] At the same time as the drill bit 6 is drilling, the water pump 12 starts to transport the water in the water tank 11 through the delivery pipe 13, the diversion pipe 14 and the rubber hose 15 to the atomizing nozzle 16 to generate water mist for dust suppression.

[0062] Simultaneously, by starting the rotating motor 17, the missing gear 18 is driven to rotate. When the toothed segment of the missing gear 18 contacts the toothed plate 19, it will drive the toothed plate 19, transmission rod 20, striking plate 21, and striking rod 22 to move away from the protective cover 7. At the same time, the striking plate 21 drives the tension spring 23 to be in a stretched state. Then, when the toothed segment of the missing gear 18 is not in contact with the toothed plate 19, the tension force generated by the tension spring 23 pulls the striking plate 21 and striking rod 22 to reset. This cycle is repeated, causing the striking rod 22 to intermittently strike the surface of the protective cover 7, thereby generating vibration force and increasing the speed of soil discharge.

[0063] When the striking plate 21 moves away from the protective cover 7, it drives the mating block 24, the first push rod 28, the first push block 27, and the first piston 26 to move within the pull-out box 25. The first piston 26 compresses the gas in the pull-out box 25 and transmits it to the compression box 30 through the gas supply pipe 29. Affected by the air pressure, the second piston 31, the second push block 32, the second push rod 33, and the first connecting block 34 move downward. The first connecting block 34 drives the swing arm 35 to make appropriate adjustments around the rotating shaft. At the same time, it causes the second connecting block 36 and the atomizing nozzle 16 to rotate around the bearing 39, thereby adjusting the spray angle. When the striking plate 21 returns to its original position, the spray angle will change again, which improves the spraying effect. During the adjustment and swinging process, dust falling on the atomizing nozzle 16 can also be shaken off, preventing the atomizing nozzle 16 from being blocked.

[0064] When the striking plate 21 moves outward, the mating block 24 drives the first push rod 28 and the first piston 26 to be pulled outward within the pull-out box 25, creating a negative pressure inside the pull-out box 25, drawing in gas from the outside through the air supply pipe 29. When the striking plate 21 returns to its original position, the first piston 26 compresses the gas inward, and the gas enters the compression box 30 through the air supply pipe 29, pushing the second piston 31 downward. The second push rod 33 drives the swing arm 35 to swing around the pivot, thereby driving the atomizing nozzle 16 to rotate around the bearing 39 through the second connecting block 36, achieving spray angle adjustment. During reset, the spring 37 rebounds to assist the second piston 31 in resetting, and the nozzle swings in the opposite direction.

[0065] It should be noted that the drilling motor 5, the water pump 12 and the rotating motor 17 are existing devices or equipment in the prior art, or are devices or equipment that can be implemented in the prior art. Furthermore, the specific composition and principle of the power supply of the drilling motor 5, the water pump 12 and the rotating motor 17 are clear to those skilled in the art, and therefore will not be described in detail.

Claims

1. A dust-free drilling device for geological survey, comprising a trolley (1) and a handrail (2), wherein the handrail (2) is fixedly mounted on the top of the trolley (1), characterized in that: A hydraulic rod (3) is fixedly mounted on the top of the cart (1); the output end of the hydraulic rod (3) is fixedly connected to a support seat (4); a drilling motor (5) is fixedly mounted on one side of the support seat (4); the output end of the drilling motor (5) passes through one side of the support seat (4) and is fixedly connected to a drill bit (6); A protective mechanism, the protective mechanism being fixedly arranged on the cart (1) and capable of preventing dust from flying and affecting the user's vision; The spray mechanism is fixedly arranged on the protective mechanism and can prevent dust from flying by spraying water mist into the protective mechanism.

2. A dust-free drilling device for geological survey according to claim 1, characterized in that: The protection mechanism comprises a protection cover (7) movably arranged on one side of the cart (1), one side of the protection cover (7) is fixedly connected to two support blocks (8), one side of the support block (8) is fixedly connected to one side of the cart (1), the bottom of the protection cover (7) is fixedly connected to a soil discharge pipe (9), and one side of the protection cover (7) is provided with a matching hole (10) for use with a drill bit (6).

3. A dust-free drilling device for geological survey according to claim 2, characterized in that: The spray mechanism comprises a water tank (11) fixedly arranged at the bottom of the cart (1), a water pump (12) fixedly installed on one side of the water tank (11), a water delivery end of the water pump (12) fixedly connected to a delivery pipe (13), one side of the delivery pipe (13) fixedly connected to a diversion pipe (14), both ends of the diversion pipe (14) fixedly connected to a rubber hose (15), one end of the rubber hose (15) passes through the interior of the protective cover (7) and is fixedly connected to an atomizing nozzle (16).

4. A dust-free drilling device for geological survey according to claim 3, characterized in that: A knocking mechanism is fixedly provided on one side of the protective cover (7), which can prevent the soil from being adhered to the soil discharge pipe (9) and difficult to be discharged after being atomized and dusted by the spraying mechanism; The knocking mechanism comprises a rotating motor (17) fixedly arranged on the protective cover (7), the output end of the rotating motor (17) being fixedly connected to a missing gear (18), the top and bottom of the missing gear (18) being provided with a toothed plate (19), one end of the toothed plate (19) being fixedly connected to a transmission rod (20), one end of the transmission rod (20) passing through one side of the support block (8) and being fixedly connected to a knocking plate (21), one side of the knocking plate (21) being fixedly connected to a knocking rod (22), one end of the knocking rod (22) being in contact with one side of the protective cover (7), one side of the knocking rod (22) being provided with a tension spring (23), one end of the tension spring (23) being fixedly connected to one side of the protective cover (7), and the other end of the tension spring (23) being fixedly connected to one side of the knocking plate (21), and the top of the knocking plate (21) being provided with an adjustment mechanism capable of continuously adjusting the spraying angle of the spraying mechanism to improve the dust reduction effect.

5. A dust-free drilling device for geological survey according to claim 4, characterized in that: The adjustment mechanism comprises a matching block (24) fixedly arranged on the top of the knocking plate (21); a pull-out box (25) is arranged on one side of the matching block (24); the bottom of the pull-out box (25) is fixedly connected to the top of the support block (8); a first piston (26) is arranged inside the pull-out box (25); a first push block (27) is fixedly connected to one side of the first piston (26); a first push rod (28) is fixedly connected to one side of the first push block (27); one end of the first push rod (28) passes through the outside of the pull-out box (25) and is fixedly connected to one side of the matching block (24); a gas supply pipe (29) is fixedly connected to one side of the pull-out box (25); One end of the tube (29) is fixedly connected to a compression box (30), a second piston (31) is arranged inside the compression box (30), a second push block (32) is fixedly connected to the bottom of the second piston (31), a second push rod (33) is fixedly connected to one side of the second push block (32), one end of the second push rod (33) passes through the inside of the protective cover (7) and is fixedly connected to a first connection block (34), one side of the first connection block (34) is movably connected to a swing arm (35) via a rotating shaft, one end of the swing arm (35) is movably connected to a second connection block (36) via a rotating shaft, and one end of the second connection block (36) is fixedly connected to the top of the atomizing nozzle (16).

6. A dust-free drilling device for geological survey according to claim 2, characterized in that: The soil discharge pipe (9) is inclined downward at an angle of forty-five degrees.

7. The dust-free drilling device for geological survey according to claim 5, characterized in that: The first piston (26) and the second piston (31) are made of silicone and their outer surfaces are in close contact with the inner walls of the drawer box (25) and the compression box (30), respectively.

8. The dust-free drilling device for geological survey according to claim 5, characterized in that: A spring (37) is sleeved on the surface of the second push rod (33), the top of the spring (37) is fixedly connected to the bottom of the second push block (32), and the bottom of the spring (37) is fixedly connected to the bottom of the compression box (30).

9. The dust-free drilling device for geological survey according to claim 5, characterized in that: A rotating rod (38) is fixedly connected to one side of the atomizing nozzle (16), a bearing (39) is provided at one end of the rotating rod (38), and the rotating rod (38) is rotatably connected to the inner wall of the protective cover (7) via the bearing (39).

10. A dust-free drilling device for geological survey according to any one of claims 1 to 9, characterized in that: Both sides of the support seat (4) are fixedly connected with sliding blocks (40), one side of the sliding block (40) is provided with a sliding hole (41), the interior of the sliding hole (41) is plugged with a sliding rod (42), one end of the sliding rod (42) is fixedly connected to one side of the handrail (2), the other end of the sliding rod (42) is fixedly connected to a positioning block (43), and the bottom of the positioning block (43) is fixedly connected to the top of the cart (1).

Images