Dust falling device for road construction

Abstract

The invention provides a dust falling device for road construction. The dust falling device for road construction comprises a frame, a rotating frame, a pushing rod, a sliding sleeve and a moving sleeve. According to the dust falling device for road construction, the vehicle frame is arranged, the rotating frame is rotationally arranged on the top of the vehicle frame, and the rotating shaft is fixedly installed on the rotating frame. A pushing rod is further arranged on the frame in a swinging mode, a sliding sleeve is installed in the middle of the pushing rod, and the sliding sleeve is hinged to the movable sleeve. By adjusting the position of the moving sleeve, the hinged position of the pushing rod on the rack can be changed, so that when one end of the pushing rod moves by the same movement amount in the second direction, the swing angle of the other end of the pushing rod can be changed, the rotating angle of the rotating shaft is changed, the rotating angle of the rotating frame is adjusted, and therefore during site construction, the rotating angle of the rotating frame can be adjusted. The rotation amplitude of the rotating frame is adjusted according to the site construction environment, and the effective dust falling effect is guaranteed.

Description

Technical Field

[0001] The invention belongs to the technical field of dust suppression equipment, and in particular relates to a dust suppression device for road construction. Background Art

[0002] In the process of municipal road construction, in order to avoid dust pollution, dust reduction equipment is usually used to reduce dust in the surrounding environment during the construction process. At present, dust reduction equipment usually uses fog cannons for dust reduction. When the dust reduction machine is working, the fog cannon body will rotate within a certain angle to increase the dust reduction area. However, when the fog cannon is rotating, it is not convenient to adjust the rotation angle of the fog cannon body according to the construction site to ensure effective dust removal effect, which affects the convenience of use during on-site construction. Summary of the invention

[0003] The embodiment of the present invention provides a dust suppression device for road construction, aiming to solve the problem in the prior art that the rotation angle of a fog cannon is difficult to adjust during use, which affects the convenience of on-site use.

[0004] To achieve the above object, the technical solution adopted by the present invention is: to provide a dust suppression device for road construction, comprising:

[0005] A frame, wherein a length direction of the frame is defined as a first direction, and a width direction of the frame is defined as a second direction;

[0006] A rotating frame is mounted on the frame, a rotating shaft is fixedly mounted on the bottom of the rotating frame, the rotating shaft is rotatably arranged on the frame, and the axis of the rotating shaft is arranged in a vertical direction, and a fog cannon body is mounted on the rotating frame;

[0007] A push rod, one end of which has the freedom to move along the second direction on the frame, and the other end of which is drivingly connected to the rotating shaft on the rotating frame, for driving the rotating frame to rotate;

[0008] A sliding sleeve is slidably arranged on the pushing rod along the length direction of the pushing rod, a hinge shaft is fixedly installed on the outer side of the sliding sleeve, and the hinge shaft is arranged parallel to the rotating shaft at an interval;

[0009] The movable sleeve is mounted on the frame, the position of the movable sleeve on the frame has the freedom to be adjusted along the first direction, and the hinge shaft is rotatably arranged inside the movable sleeve.

[0010] In a possible implementation, a transmission assembly is provided between the rotating frame and the pushing rod, and the transmission assembly includes:

[0011] A swing rod, one end of which is fixedly connected to the rotating shaft, and the length direction of the swing rod is arranged along the radial direction of the rotating shaft;

[0012] The guide shaft is fixedly mounted on the swing rod and is arranged in parallel with the rotating shaft. The push rod is provided with an oblong through hole that is slidably matched with the guide shaft, and the guide shaft is located inside the oblong through hole.

[0013] In a possible implementation, the frame is further provided with an adjustment component for adjusting the position of the movable sleeve, and the adjustment component includes:

[0014] A mounting frame, mounted on the vehicle frame, wherein the mounting frame is provided with a guide groove for guiding the moving sleeve to move along a first direction;

[0015] An adjusting rod is rotatably arranged on the mounting frame, and a length direction of the adjusting rod is arranged along a second direction;

[0016] There are two threaded sleeves, which are respectively threadedly connected to the two ends of the adjusting rod and have opposite rotation directions;

[0017] There are two connecting rods, and the two connecting rods are respectively hingedly arranged between the threaded sleeve and the movable sleeve.

[0018] In a possible implementation, a guide rod is fixedly mounted on the push rod, the guide rod is spaced apart and arranged in parallel with the push rod, and the sliding sleeve is slidably arranged on the guide rod.

[0019] In a possible implementation, a guide rod is slidably provided on the frame along the second direction, the length direction of the guide rod is arranged along the second direction, the end of the pushing rod is hingedly provided on the guide rod, and a pushing assembly for pushing the guide rod to move is also provided on the frame.

[0020] In a possible implementation, the pushing component includes:

[0021] A gear ring, fixedly mounted on the frame;

[0022] A gear is meshed with the inner wall of the gear ring, the gear is rotatably arranged inside the gear ring, and a connecting assembly for pushing the guide rod to move is arranged on the gear;

[0023] A driving assembly is arranged between the gear and the frame, and is used to drive the gear to rotate inside the gear ring.

[0024] In a possible implementation, the pitch circle size of the gear is half of the pitch circle size of the gear ring, and a positioning rod is fixedly mounted on the gear, the axis of the positioning rod is located on the pitch circle of the gear, and the positioning rod is rotatably arranged on the guide rod.

[0025] In a possible implementation, the driving component includes:

[0026] A driving member, fixedly mounted on the frame, wherein a driving shaft of the driving member is coaxially arranged with the gear ring;

[0027] A driving rod has one end fixedly mounted on a driving shaft on the driving member, and the gear is rotatably arranged on the driving rod.

[0028] In a possible implementation, two bases are installed on the frame, the two bases are spaced apart along the second direction, and the guide rod is slidably arranged between the two bases, a guide sleeve is fixedly installed on the base, the guide rod is slidably arranged inside the guide sleeve, and two ends of the guide sleeve are located on both sides of the base.

[0029] In a possible implementation, the position of the fog cannon body on the rotating frame has the degree of freedom to be adjusted along the pitch angle.

[0030] Compared with the prior art, the solution shown in the embodiment of the present application is provided with a frame, a rotating frame is rotatably provided on the top of the frame, a rotating shaft is fixedly installed on the rotating frame, and one end of the rotating shaft extends to the inside of the frame. A push rod is also swingably provided on the frame, and one end of the push rod is transmission-connected with the rotating frame. When the push rod swings, it can drive the rotating shaft on the rotating frame to rotate. A sliding sleeve is provided on the middle part of the push rod, and the sliding sleeve is slidingly provided on the push rod along the length direction of the push rod, and a hinge shaft is fixedly installed on the sliding sleeve, and the hinge shaft is provided along the radial direction of the sliding sleeve. A movable sleeve is also installed on the frame, and the position of the movable sleeve on the frame can be adjusted along the first direction on the frame. And the hinge shaft is rotatably provided inside the movable sleeve. By adjusting the position of the movable sleeve, the hinge position of the push rod on the frame can be changed, so that when one end of the push rod moves the same amount in the second direction, the swing angle of the other end of the push rod can be changed, thereby changing the rotation angle of the rotating shaft to adjust the rotation angle of the rotating frame. Therefore, during on-site construction, the rotation amplitude of the rotating frame can be adjusted according to the on-site construction environment to ensure effective dust reduction effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A schematic diagram of the structure of a dust suppression device for road construction provided by an embodiment of the present invention;

[0032] Figure 2 A schematic diagram of the structure of an adjustment component provided in an embodiment of the present invention;

[0033] Figure 3 A schematic diagram of the structure of a pushing assembly provided in an embodiment of the present invention.

[0034] Description of reference numerals:

[0035] 1. Frame; 2. Rotating frame; 21. Rotating shaft; 211. Swing rod; 212. Guide shaft; 3. Mist cannon body; 4. Push rod; 41. Guide rod; 5. Sliding sleeve; 6. Moving sleeve; 7. Adjustment assembly; 71. Mounting frame; 72. Adjustment rod; 73. Threaded sleeve; 74. Connecting rod; 8. Guide rod; 81. Base; 82. Guide sleeve; 9. Push assembly; 91. Gear ring; 92. Gear; 921. Positioning rod; 93. Driving assembly; 931. Driving member; 932. Driving rod; DETAILED DESCRIPTION

[0036] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0037] Please also read Figures 1 to 3 , the dust suppression device for road construction provided by the present invention is now described. The dust suppression device for road construction comprises a frame 1, a rotating frame 2, a push rod 4, a sliding sleeve 5 and a moving sleeve 6. The length direction of the frame 1 is defined as the first direction, and the width direction of the frame 1 is defined as the second direction; the rotating frame 2 is mounted on the frame 1, and a rotating shaft 21 is fixedly mounted at the bottom of the rotating frame 2, the rotating shaft 21 is rotatably arranged on the frame 1, and the axis of the rotating shaft 21 is arranged in the vertical direction, and a fog cannon body 3 is mounted on the rotating frame 2; one end of the push rod 4 has the freedom to move along the second direction on the frame 1, and the other end is transmission-connected with the rotating shaft 21 on the rotating frame 2, and is used to drive the rotating frame 2 to rotate; the sliding sleeve 5 is slidably arranged on the push rod 4 along the length direction of the push rod 4, and a hinge shaft is fixedly mounted on the outer side of the sliding sleeve 5, and the hinge shaft is arranged parallel to the rotating shaft 21 at intervals; the moving sleeve 6 is mounted on the frame 1, and the position of the moving sleeve 6 on the frame 1 has the freedom to adjust along the first direction, and the hinge shaft is rotatably arranged inside the moving sleeve 6.

[0038] Compared with the prior art, the dust suppression device for road construction provided in this embodiment is provided with a frame 1, a rotating frame 2 is rotatably provided on the top of the frame 1, a rotating shaft 21 is fixedly installed on the rotating frame 2, and one end of the rotating shaft 21 extends to the inside of the frame 1. A push rod 4 is also swingably provided on the frame 1, and one end of the push rod 4 is transmission-connected with the rotating frame 2. When the push rod 4 swings, it can drive the rotating shaft 21 on the rotating frame 2 to rotate. A sliding sleeve 5 is sleeved on the middle part of the push rod 4, and the sliding sleeve 5 is slidably provided on the push rod 4 along the length direction of the push rod 4, and a hinge shaft is fixedly installed on the sliding sleeve 5, and the hinge shaft is provided along the radial direction of the sliding sleeve 5. A moving sleeve 6 is also installed on the frame, and the position of the moving sleeve 6 on the frame can be adjusted along the first direction on the frame 1. And the hinge shaft is rotatably provided inside the moving sleeve 6. By adjusting the position of the movable sleeve 6, the hinge position of the push rod 4 on the frame can be changed, so that when one end of the push rod 4 moves the same amount along the second direction, the swing angle of the other end of the push rod 4 can be changed, thereby changing the rotation angle of the rotating shaft 21 to adjust the rotation angle of the rotating frame 2. Therefore, during on-site construction, the rotation amplitude of the rotating frame 2 can be adjusted according to the on-site construction environment to ensure an effective dust reduction effect.

[0039] In some embodiments, the frame 1 may be Figure 1 , Figure 2 See also Figure 1 , Figure 2 A transmission assembly is arranged between the rotating frame 2 and the push rod 4, and the transmission assembly includes a swing rod 211 and a guide shaft 212. One end of the swing rod 211 is fixedly connected to the rotating shaft 21, and the length direction of the swing rod 211 is arranged along the radial direction of the rotating shaft 21; the guide shaft 212 is fixedly installed on the swing rod 211, and is arranged in parallel with the rotating shaft 21 at intervals, and the push rod 4 is provided with an oblong through hole that slides with the guide shaft 212, and the guide shaft 212 is located inside the oblong through hole. The swing rod 211 is fixedly installed on the rotating shaft 21, and one end of the swing rod 211 is fixedly installed on the rotating shaft 21. The guide shaft 212 is fixedly installed on the other end of the swing rod 211. The guide shaft 212 is arranged in parallel with the axis of the rotating shaft 21 at intervals, and the push rod 4 is also provided with an oblong through hole that slides with the guide shaft 212, and the guide shaft 212 is located inside the oblong through hole.

[0040] In this embodiment, when the push rod 4 swings a certain angle, it drives the guide shaft 212 to move, thereby driving the swing rod 211 to swing together and then driving the rotation shaft 21 to rotate. The hinge position of the push rod 4 on the frame 1 can be adjusted by the position of the moving sleeve 6, so that the swing angle of the push rod 4 changes, thereby changing the rotation angle of the rotation shaft 21.

[0041] In some embodiments, the movable sleeve 6 may be Figure 2 , Figure 3 See also Figure 2 , Figure 3 The frame 1 is also provided with an adjustment assembly 7 for adjusting the position of the movable sleeve 6, and the adjustment assembly 7 includes a mounting frame 71, an adjustment rod 72, a threaded sleeve 73 and a connecting rod 74. The mounting frame 71 is mounted on the frame 1, and a guide groove for guiding the movable sleeve 6 to move along the first direction is provided on the mounting frame 71; the adjustment rod 72 is rotatably arranged on the mounting frame 71, and the length direction of the adjustment rod 72 is arranged along the second direction; there are two threaded sleeves 73, and the two threaded sleeves 73 are respectively threadedly connected to the two ends of the adjustment rod 72, and the rotation directions of the two threaded sleeves 73 are opposite; there are two connecting rods 74, and the two connecting rods 74 are respectively hingedly arranged between the threaded sleeve 73 and the movable sleeve 6. There are two connecting rods 74 rotatably arranged on the outer side of the movable sleeve 6, and the other end of the connecting rod 74 is hingedly arranged on the outer side wall of the threaded sleeve 73. When the adjustment rod 72 rotates on the mounting frame 71, the two threaded sleeves 73 will move in a direction of relative proximity or distance. When the two threaded sleeves 73 move relative to each other, the connecting rod 74 will drive the movable sleeve 6 to move inside the guide groove on the mounting frame 71, thereby changing the position of the movable sleeve 6. The structure is simple and the operation is convenient.

[0042] Specifically, in this embodiment, a motor for driving the adjusting rod 72 to rotate is also fixedly mounted on the mounting frame 71 .

[0043] Specifically, in this embodiment, when the movable sleeve 6 moves along the first direction, it drives the hinge shaft outside the sliding sleeve 5 to move, thereby changing the position of the sliding sleeve 5 on the pushing rod 4, and then changing the hinge position of the pushing rod 4 on the frame.

[0044] In some embodiments, the push rod 4 can be used as follows: Figure 1 , Figure 2 See also Figure 1 , Figure 2 A guide rod 41 is fixedly mounted on the push rod 4, the guide rod 41 is spaced and arranged in parallel with the push rod 4, and the sliding sleeve 5 is slidably mounted on the guide rod 41. A guide rod 41 is fixedly mounted on one side of the push rod 4, and the guide rod 41 is a cylindrical structure. The sliding sleeve 5 is slidably mounted on the guide rod 41, so that the position of the sliding sleeve 5 on the guide rod 41 is more convenient to adjust.

[0045] In some embodiments, the frame 1 may be Figure 2 , Figure 3 See also Figure 2 , Figure 3A guide rod 8 is slidably provided on the frame 1 along the second direction, and the length direction of the guide rod 8 is provided along the second direction. The end of the push rod 4 is hingedly provided on the guide rod 8, and a pushing assembly 9 for pushing the guide rod 8 to move is also provided on the frame 1. The guide rod 8 is slidably provided on the frame 1 along its length direction, and the end of the push rod 4 is hingedly provided at the middle part of the guide rod 8. Therefore, when the guide rod 8 moves, it can drive the push rod 4 to swing around the axis of the hinge shaft. At the same time, when the push rod 4 swings, the push rod 4 can slide inside the sliding sleeve 5 to ensure the stability of the swing of the push rod 4. When the push rod 4 swings, it drives the swing rod 211 to swing together, and the structure is simple, which is convenient for driving the rotating shaft 21 to drive the rotating frame 2 to rotate.

[0046] In some embodiments, the pushing component 9 can be used as follows: Figure 2 , Figure 3 See also Figure 2 , Figure 3 The pushing assembly 9 includes a gear ring 91, a gear 92 and a driving assembly 93. The gear ring 91 is fixedly mounted on the vehicle frame 1; the gear 92 is meshed with the inner wall of the gear ring 91, the gear 92 is rotatably mounted inside the gear ring 91, and a connecting assembly for pushing the guide rod 8 to move is arranged on the gear 92; the driving assembly 93 is arranged between the gear 92 and the vehicle frame 1, and is used to drive the gear 92 to rotate inside the gear ring 91. The gear ring 91 is fixedly mounted on the vehicle frame 1, and teeth are arranged on the inner wall of the gear ring 91, and teeth are arranged on the outer wall of the gear 92. The gear 92 rotates inside the gear ring 91, and a connecting assembly is arranged between the gear 92 and the guide rod 8, and the connecting assembly can drive the guide rod 8 to move together when the gear 92 rotates. At the same time, the gear 92 rotates inside the gear ring 91 along the circumference of the gear ring 91 and drives the guide rod 8 to move back and forth through the connecting assembly.

[0047] In some embodiments, the gear 92 and the gear ring 91 may be Figure 3 See the structure shown. Figure 3 , the pitch circle size of the gear 92 is half of the pitch circle size of the gear ring 91, and a positioning rod 921 is fixedly installed on the gear 92, the axis of the positioning rod 921 is located on the pitch circle of the gear 92, and the positioning rod 921 is rotatably set on the guide rod 8. A positioning rod 921 is fixedly installed on one side of the gear 92, and the axis of the positioning rod 921 is arranged in parallel with the axis of the gear 92. Therefore, when the gear 92 rotates inside the gear ring 91, the moving direction of the positioning rod 921 always moves along the second direction. A mounting hole for mounting the positioning rod 921 is provided on the guide rod 8, and the positioning rod 921 is installed inside the mounting hole and rotatably set inside the mounting hole. When the gear 92 rotates inside the gear ring 91, the positioning rod 921 on the gear 92 will rotate inside the mounting hole on the guide rod 8, and drive the guide rod 8 to move back and forth.

[0048] Specifically, in this embodiment, when the guide rod 8 moves back and forth, it drives one end of the push rod 4 hinged on the guide rod 8 to move, so that the push rod 4 swings on the frame 1.

[0049] In some embodiments, the drive assembly 93 may be configured as follows: Figure 3 See the structure shown. Figure 3 The driving assembly 93 includes a driving member 931 and a driving rod 932. The driving member 931 is fixedly mounted on the frame 1, and the driving shaft of the driving member 931 is coaxially arranged with the gear ring 91; one end of the driving rod 932 is fixedly mounted on the driving shaft on the driving member 931, and the gear 92 is rotatably arranged on the driving rod 932. The driving member 931 is a motor, and the driving shaft of the driving member 931 is coaxially arranged with the gear ring 91, and one end of the driving rod 932 is fixedly mounted on the driving shaft on the driving member 931. The gear 92 is rotatably arranged at the other end of the driving rod 932, and the outer ring of the gear 92 is meshed with the inner wall of the gear ring 91. Driven by the driving member 931, the gear 92 rotates inside the gear ring 91, so that the gear 92 can rotate inside the gear ring 91 along the axis of the gear ring 91. At the same time, it can rotate on the driving rod 932, so that the positioning rod 921 always moves back and forth along the second direction.

[0050] In some embodiments, the frame 1 may be Figure 3 See the structure shown. Figure 3 , two bases 81 are installed on the frame 1, the two bases 81 are arranged at intervals along the second direction, and the guide rod 8 is slidably arranged between the two bases 81, and a guide sleeve 82 is fixedly installed on the base 81, and the guide rod 8 is slidably arranged inside the guide sleeve 82, and the two ends of the guide sleeve 82 are located on both sides of the base 81. Two bases 81 are installed inside the frame 1, and the two bases 81 are located on both sides of the gear ring 91 along the second direction. The guide rod 8 is slidably arranged between the two bases 81. And a guide sleeve 82 is fixedly installed on the base 81, and the two ends of the guide sleeve 82 extend out of the base 81 and are arranged on both sides of the second direction. The guide rod 8 is slidably arranged inside the guide sleeve 82, and the setting of the guide sleeve 82 can lengthen the contact area between the base 81 and the guide rod 8. On the one hand, the overall length of the guide rod 8 can be reduced, and at the same time, the stability of the connection between the guide rod 8 and the two bases 81 can be ensured.

[0051] In some embodiments, the fog cannon body 3 can be used as follows Figure 1 See the structure shown. Figure 1 The position of the fog cannon body 3 on the rotating frame 2 has the freedom to adjust along the pitch angle. The fog cannon body 3 can be adjusted along the pitch angle on the rotating frame 2, and the spray height of the water mist can be adjusted by changing the angle of the fog cannon body 3. The flexibility of the dust suppression device during use is enhanced.

[0052] Specifically, in this embodiment, a support assembly is provided between the fog cannon body 3 and the rotating frame 2, and the support assembly includes a square tube hingedly provided on the rotating frame 2, and a support rod slidably provided inside the square tube, and one end of the support rod is hingedly provided on the fog cannon body 3. A latch is inserted on the support rod, and a plurality of sockets for installing the latch are provided on the square tube. The plurality of sockets are arranged in sequence and spaced apart along the length direction of the square tube.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dust suppression device for road construction, characterized in that: include: A vehicle frame (1), wherein the length direction of the vehicle frame (1) is defined as a first direction, and the width direction of the vehicle frame (1) is defined as a second direction; A rotating frame (2) is mounted on the vehicle frame (1); a rotating shaft (21) is fixedly mounted on the bottom of the rotating frame (2); the rotating shaft (21) is rotatably arranged on the vehicle frame (1), and the axis of the rotating shaft (21) is arranged in a vertical direction; and a fog cannon body (3) is mounted on the rotating frame (2); A push rod (4), one end of which has the freedom to move along the second direction on the frame (1), and the other end of which is drivingly connected to a rotating shaft (21) on the rotating frame (2) for driving the rotating frame (2) to rotate; A sliding sleeve (5) is slidably arranged on the pushing rod (4) along the length direction of the pushing rod (4), a hinge shaft is fixedly installed on the outer side of the sliding sleeve (5), and the hinge shaft is arranged in parallel with the rotating shaft (21) at an interval; A movable sleeve (6) is mounted on the frame (1); the position of the movable sleeve (6) on the frame (1) has a degree of freedom of adjustment along the first direction; and the hinge shaft is rotatably arranged inside the movable sleeve (6).

2. The dust suppression device for road construction according to claim 1, characterized in that: A transmission assembly is provided between the rotating frame (2) and the pushing rod (4), and the transmission assembly comprises: A swing rod (211), one end of which is fixedly connected to the rotating shaft (21), and the length direction of the swing rod (211) is arranged along the radial direction of the rotating shaft (21); The guide shaft (212) is fixedly mounted on the swing rod (211) and is arranged in parallel with the rotating shaft (21) at an interval. The push rod (4) is provided with an oblong through hole that is slidably matched with the guide shaft (212). The guide shaft (212) is located inside the oblong through hole.

3. The dust suppression device for road construction according to claim 1, characterized in that: The frame (1) is also provided with an adjustment component (7) for adjusting the position of the movable sleeve (6), and the adjustment component (7) comprises: A mounting frame (71) mounted on the vehicle frame (1), wherein the mounting frame (71) is provided with a guide groove for guiding the moving sleeve (6) to move along a first direction; An adjusting rod (72) is rotatably arranged on the mounting frame (71), and a length direction of the adjusting rod (72) is arranged along a second direction; There are two threaded sleeves (73), the two threaded sleeves (73) are respectively threadedly connected to the two ends of the adjusting rod (72) and the two threaded sleeves (73) have opposite rotation directions; There are two connecting rods (74), and the two connecting rods (74) are respectively hingedly arranged between the threaded sleeve (73) and the movable sleeve (6).

4. The dust suppression device for road construction according to claim 1, characterized in that: A guide rod (41) is fixedly mounted on the push rod (4), the guide rod (41) and the push rod (4) are arranged in parallel with each other at an interval, and the sliding sleeve (5) is slidably arranged on the guide rod (41).

5. The dust suppression device for road construction according to claim 1, characterized in that: A guide rod (8) is slidably arranged on the frame (1) along a second direction, the length direction of the guide rod (8) is arranged along the second direction, the end of the push rod (4) is hingedly arranged on the guide rod (8), and a push assembly (9) for pushing the guide rod (8) to move is also arranged on the frame (1).

6. The dust suppression device for road construction as claimed in claim 5, characterized in that: The pushing component (9) comprises: A gear ring (91) fixedly mounted on the vehicle frame (1); a gear (92) meshing with the inner wall of the gear ring (91); the gear (92) being rotatably disposed inside the gear ring (91); and a connecting assembly for pushing the guide rod (8) to move being disposed on the gear (92); A driving assembly (93) is arranged between the gear (92) and the vehicle frame (1) and is used to drive the gear (92) to rotate inside the gear ring (91).

7. The dust suppression device for road construction according to claim 6, characterized in that: The pitch circle size of the gear (92) is half the pitch circle size of the gear ring (91), and a positioning rod (921) is fixedly mounted on the gear (92), the axis of the positioning rod (921) is located on the pitch circle of the gear (92), and the positioning rod (921) is rotatably arranged on the guide rod (8).

8. The dust suppression device for road construction as claimed in claim 6, characterized in that: The drive assembly (93) comprises: A driving member (931) is fixedly mounted on the vehicle frame (1), and a driving shaft of the driving member (931) is coaxially arranged with the gear ring (91); A driving rod (932) has one end fixedly mounted on a driving shaft on the driving member (931), and the gear (92) is rotatably mounted on the driving rod (932).

9. The dust suppression device for road construction according to claim 5, characterized in that: Two bases (81) are installed on the frame (1), the two bases (81) are arranged at intervals along the second direction, and the guide rod (8) is slidably arranged between the two bases (81), a guide sleeve (82) is fixedly installed on the base (81), the guide rod (8) is slidably arranged inside the guide sleeve (82), and two ends of the guide sleeve (82) are located on both sides of the base (81).

10. The dust suppression device for road construction according to claim 1, characterized in that: The position of the fog cannon body (3) on the rotating frame (2) has the freedom to be adjusted along the pitch angle.

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