CN210544056U

CN210544056U - Watering dust-settling device

Info

Publication number: CN210544056U
Application number: CN201921418681.8U
Authority: CN
Inventors: 温旭龙
Original assignee: Guangzhou Nanchao Environmental Sanitation Service Co ltd
Current assignee: Guangzhou Nanchao Environmental Sanitation Service Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-19
Anticipated expiration: 2029-08-28

Abstract

The utility model relates to a watering dust-settling device, which comprises a working platform, wherein the working platform is connected with a supporting platform in a sliding way, a rotating frame is arranged on a supporting body, a spray head is hinged on the rotating frame, and a turnover mechanism for turning over and fixing the spray head is arranged between the rotating frame and the spray head; the working platform is provided with a motor, the rotating frame and a rotating shaft of the motor rotate coaxially, and the rotating shaft of the motor is connected with a transmission mechanism for driving the rotating frame to do reciprocating sliding motion. By adopting the technical scheme, the spray range of the spray head in the height direction is favorably enlarged by the turnover device, the spray head and the rotating shaft of the motor rotate coaxially, so that the spray head can perform spray dust-settling operation all around, the spray head can perform reciprocating sliding motion in the length direction of the working platform through the motor drive transmission mechanism, the spray range of the spray head in the length direction of the working platform is further improved, the whole spray range of the spray head is enlarged, the spray is more uniform, a spray blind area is covered, and the spray dust-settling effect is finally improved.

Description

Watering dust-settling device

Technical Field

The utility model belongs to the technical field of the environmental protection equipment technique and specifically relates to a watering dust device is related to.

Background

Air circumstance quality problem receives people's attention gradually, often has the higher dust of concentration in some sand and stone processing and wood processing factory, simultaneously, the more condition that often can produce the dust and fly upward of vehicle that goes on the road, and a large amount of dust floats in the air, not only can the contaminated air, and the human body of accessible suction of excessive dust can harm health sometimes. In order to improve the air quality, maintain human health simultaneously, then the watering dust device has appeared, and the most common dust device that has now is the fog gun machine, sprays the watering through the shower nozzle for dust in the air combines with water, and falls to ground through the action of gravity.

Fog gun machine includes shower nozzle and the workstation with the aqueous phase intercommunication, and the shower nozzle installation is through the shift table with the up end of workstation to remove and spray the region, however, this kind of unidirectional movement's the mode of spraying can make the region of spraying comparatively limit to, simultaneously, make some shower nozzles not remove or not towards the regional cover that fails to spray that extremely, consequently have the blind area that sprays, so that the position that sprays is uneven, makes the dirt fall the effect and descends. Therefore, there is room for improvement.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a spraying and watering device has and sprays evenly, improves the advantage of dust fall effect.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a watering dust-settling device comprises a working platform supported on the ground, wherein the upper end surface of the working platform is connected with a supporting table in a sliding manner, the upper end surface of the supporting table is provided with a rotating frame, the rotating frame is hinged with a spray head communicated with a municipal water supply pipeline, and a turnover mechanism for turning over and fixing the spray head is arranged between the rotating frame and the spray head; the working platform is provided with a motor, the lower end face of the rotating frame and the rotating shaft of the motor rotate coaxially, and the rotating shaft of the motor is connected with a transmission mechanism for driving the rotating frame to do reciprocating sliding motion.

By adopting the technical scheme, the working platform is a hollow cuboid, so that part of components can be conveniently placed in the cavity of the working platform, and the effect of saving the use space is further achieved; the supporting table is a cylinder, the lower end surface of the supporting table is integrally connected with two supporting rods, and the lower end surface of each supporting rod is clamped with the upper end surface of the working platform to slide, so that the supporting rods drive the supporting table to integrally slide on the upper end surface of the working platform; the rotating frame is supported on the upper end face of the supporting table and is a cylinder, the upper end face of the rotating frame is integrally connected with two hinged plates, the hinged plates are cuboid, the hinged plates are perpendicular to the upper end face of the working platform, the spray head is positioned between the two hinged plates, the spray head is fixed by arranging the turnover mechanism, rotates around hinged plates and a hinged shaft of the spray head support and is adjusted to a proper angle, and thus the spraying range of the spray head in the height direction is enlarged, and the spray of the spray head is more uniform; the motor is arranged in the cavity of the working platform, and the rotating shaft of the motor protrudes out of the upper end face of the working platform, so that the use space is saved, the motor is protected, and the damage caused by water is reduced; the spray head and a rotating shaft of the motor rotate coaxially, so that the spray head rotates, the spray head can spray and reduce dust around simultaneously, the spray range is expanded, and the spray and dust reduction effect is improved; through setting up drive mechanism, under the drive effect of motor for the runner frame carries out reciprocating sliding motion at work platform's up end, and then drives the shower nozzle and carries out reciprocating sliding motion, along work platform length direction's the scope that sprays with the increase shower nozzle, and then makes to spray more evenly, thereby covers and sprays the blind area, increases the effect that sprays the dust fall. Therefore, through the arrangement, the spraying range of the spray head in the height direction is favorably enlarged by the turnover device, the spray head and the rotating shaft of the motor rotate coaxially, the spray head can perform spraying and dust-settling operation on the periphery, meanwhile, the spray head performs reciprocating sliding motion in the length direction of the working platform through the motor drive transmission mechanism, the spraying range of the spray head in the length direction of the working platform is further improved, the whole spraying range of the spray head is further enlarged, the spraying is more uniform, the spraying blind area is covered, and the spraying and dust-settling effect is finally improved.

The utility model discloses further set up to: the working platform is a hollow cuboid, the motor is positioned in a cavity of the working platform, a rotating shaft of the motor is arranged upwards, and a rotating rod is coaxially rotated by the rotating shaft of the motor; the transmission mechanism comprises a gear and a rack, the gear and the rotating rod rotate coaxially, the rack is fixedly connected with the upper end face of the working platform, and the gear and the rack are in meshing transmission; the rotating frame and the rotating rod rotate coaxially, and the rotating rod is located at one end, far away from the rotating frame, of the gear and slides in a clamping mode with the upper end face of the working platform.

By adopting the technical scheme, the working platform is a hollow cuboid, so that the motor can be conveniently arranged in the cavity of the working platform, the using space is saved, the length of a rotating shaft of the motor can be conveniently increased by arranging the rotating rod, the gear and the rotating rod rotate coaxially, the rotating rod is driven by the motor to rotate, the gear can move synchronously, and meanwhile, the gear and the rack are meshed for transmission; rotate through the motor just reversing to in order to realize that the bull stick carries out reciprocating sliding motion, thereby drive rotating turret and shower nozzle and carry out reciprocating sliding motion, in order to increase the shower nozzle along work platform length direction spray the region, and then make the shower nozzle spray more evenly, thereby improve the effect that sprays the dust fall.

The utility model discloses further set up to: tilting mechanism includes rolling disc and fixed disk, the rolling disc with shower nozzle fixed connection, the fixed disk with rotating turret fixed connection, the rolling disc with the fixed disk all with the rotating turret with the articulated shaft of shower nozzle rotates to be connected, the rolling disc orientation the side of fixed disk is wound the rotating turret with the articulated shaft of shower nozzle is opened there are a plurality of screw holes, the fixed disk is kept away from the terminal surface screw thread of rolling disc link up there is the bolt, work as the bolt with during screw hole threaded connection, the rolling disc with the fixed disk relatively fixed.

Through adopting above-mentioned technical scheme, the rolling disc is the cylinder, the up end an organic whole of rolling disc is connected with two articulated slab, the articulated slab divides the both sides in the axis of rolling disc, the shower nozzle is located between two articulated slabs, fixed disk and articulated slab are towards the side fixed connection of shower nozzle, rolling disc and fixed disk are the cylinder, rotate to suitable angle back around the articulated shaft between articulated slab and the shower nozzle, screw hole threaded connection through bolt and rolling disc, in order to reduce the shower nozzle and rotate the in-process, the condition that the bolt falls out, in order to restrict the rolling disc and rotate, and then make the shower nozzle keep certain inclination, in order to adjust the shower nozzle along direction of height's the scope that sprays, and then make and spray more evenly, make and spray the dust.

The utility model discloses further set up to: the up end fixedly connected with safety cover of work platform, the lower terminal surface of safety cover is opened there is the cavity, drive mechanism is located in the cavity, the up end of safety cover open have with the work groove that the cavity is linked together, the length direction in work groove with the mutual parallel arrangement of rotating turret slip direction, the bull stick with the work groove is pegged graft.

By adopting the technical scheme, the protective cover is a cuboid, and the transmission mechanism is positioned in the cavity of the protective cover, so that the probability of damaging a human body due to the approach of the human body when the transmission mechanism works is favorably reduced, and the safety of the working process of the watering dust-settling device is favorably improved; the working groove is long-strip-shaped, the length direction of the working groove is consistent with the sliding direction of the rotating rod, and the rotating rod is connected with the working groove in an inserting mode, so that the situation that the rotating rod collides and interferes with the protective cover when the transmission mechanism works is reduced.

The utility model discloses further set up to: the working platform is characterized in that a dovetail groove is formed in the upper end face of the working platform, the length direction of the dovetail groove and the sliding direction of the rotating frame are arranged in parallel, a dovetail block protrudes from the lower end face of the supporting table and is connected with the dovetail groove in a clamped mode to slide, and the dovetail groove is used for circumferentially limiting the dovetail block.

Through adopting above-mentioned technical scheme, utilize dovetail block and dovetail joint to slide, be favorable to improving a supporting bench sliding motion's guidance quality, and then make a supporting bench's sliding motion more smooth and easy.

The utility model discloses further set up to: the up end of brace table is opened there is the master ring groove, the lower terminal surface of rotating turret is opened there is the counter ring groove, the counter ring groove with the axis of master ring groove all with the coaxial setting of axis of bull stick, the counter ring groove with the master ring groove is just to setting up, the master ring groove with be provided with a plurality of balls between the counter ring groove, the rotating turret is through a plurality of the ball support in the up end of brace table.

By adopting the technical scheme, the main ring groove and the auxiliary ring groove are both circular, and the main ring groove and the auxiliary ring groove are just opposite to form a space for placing balls, so that a plurality of balls can be placed in the main ring groove, and meanwhile, the auxiliary ring groove is utilized for limiting and guiding, thereby being beneficial to reducing the situation that the balls fall out of the main ring groove and the auxiliary ring groove; meanwhile, the rolling balls are favorable for reducing the friction force of rolling motion, so that the rotating frame can rotate around the rotating rod more smoothly and stably.

The utility model discloses further set up to: the upper end face of the working platform is provided with a limiting groove, the length direction of the limiting groove is parallel to the sliding direction of the rotating frame, the rotating rod is located along the axis direction of the rotating rod, the gear is far away from one end of the rotating frame, the limiting block is fixedly connected with a limiting block, the limiting block is connected with the limiting groove in a clamping mode and slides, and the limiting groove is limited in the circumferential direction.

Through adopting above-mentioned technical scheme, the cross section of spacing groove is type "T" type, and the stopper is the rotator that the cross-section is type "T" type, and the stopper slides with the spacing groove joint, is favorable to improving the gliding guidance quality of gear joint, and then makes the sliding motion of gear smooth and easy, and then makes the reciprocating sliding motion of rotating turret, brace table and shower nozzle more smooth and easy.

The utility model discloses further set up to: the lower end face of the gear is provided with a round step, the axis of the round step is coaxial with the axis of the gear, and the lower end face of the round step is abutted to the upper end face of the working platform.

By adopting the technical scheme, the round step is abutted against the upper end face of the working platform, the size of the cross section of the round step is smaller than that of the tooth surface of the gear, the contact area between the gear and the working platform is favorably reduced, and the service life of the gear is favorably prolonged; meanwhile, the friction force between the gear and the working platform is favorably reduced, and the clamping and sliding movement of the gear is smoother.

The utility model discloses further set up to: and a plurality of movable wheels are arranged on the lower end surface of the working platform.

Through adopting above-mentioned technical scheme, remove the wheel through the setting, be favorable to improving work platform's mobility for work platform's transport removes convenient operation.

The utility model discloses further set up to: the lower terminal surface of brace table is opened there is the circular slot, interference fit has the bearing in the circular slot, the bull stick with the inner ring grafting and interference fit of bearing, the bull stick link up in the up end of brace table, the rotating turret with the coaxial rotation of bull stick.

Through adopting above-mentioned technical scheme, through setting up the bearing, be favorable to improving the bearing capacity of the inner peripheral surface of circular slot, improve the frictional force of the inner peripheral surface of circular slot simultaneously, and then reduce under gear drive, the bull stick produces the thrust along work platform length direction to the circular slot, and damages the condition of brace table, and the connection can be dismantled to the bearing simultaneously, damages when rotating turret and bearing, can be in the same direction as bad and opening there is the coincidence, and then makes the change operation of bearing more make portably.

To sum up, the utility model discloses following beneficial effect has:

1. the turnover device is arranged, so that the spraying range of the spray head in the height direction is favorably enlarged, the spray head and the rotating shaft of the motor rotate coaxially, the spray head can perform spraying dust-settling operation on the periphery, meanwhile, the spray head performs reciprocating sliding motion in the length direction of the working platform through the motor driving transmission mechanism, the spraying range of the spray head in the length direction of the working platform is further enlarged, the whole spraying range of the spray head is enlarged, the spraying is more uniform, a spraying blind area is covered, and finally the spraying dust-settling effect is improved;

2. through the arrangement of the gear and the rack, under the driving action of the motor, the nozzle and the rotating rod perform reciprocating sliding motion along the length direction of the rack by utilizing the meshing transmission of the gear and the rack and the relative motion of the gear and the rack; meanwhile, the frame and the rotating shaft of the motor rotate coaxially, so that the spray head rotates around the rotating rod, the spraying range of the spray head is expanded, the spraying is more uniform, and the spraying dust-settling effect is improved;

3. the arrangement of the main ring groove and the auxiliary ring groove is favorable for reducing the situation that the balls fall out, and meanwhile, the arrangement of the balls is favorable for reducing the friction force of rolling motion, so that the rotating frame rotates around the rotating rod more smoothly and stably; through setting up the safety cover, be favorable to reducing drive mechanism during operation, the human body is close to and increases the probability of injury human body, and then is favorable to improving the security of watering dust device working process.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a sectional view of the present embodiment;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

Reference numerals: 1. a working platform; 11. a dovetail groove; 12. a limiting groove; 2. a support table; 21. a support bar; 211. a dovetail block; 22. a circular groove; 23. a bearing; 24. a main ring groove; 25. a ball bearing; 3. a rotating frame; 31. a hinge plate; 32. a secondary ring groove; 4. a spray head; 5. a motor; 51. a rotating rod; 6. a transmission mechanism; 61. a gear; 62. a rack; 63. a round step; 64. a limiting block; 7. a protective cover; 71. a working groove; 72. a concave cavity; 8. a turning device; 81. fixing the disc; 811. a bolt; 82. rotating the disc; 821. a threaded hole; 9. the wheel is moved.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1 to 2, a watering dust device, install a plurality of work platform 1 that remove wheel 9 including the lower terminal surface, work platform 1 is the cuboid, work platform 1's up end is opened has two dovetail 11, the length direction of dovetail 11 is unanimous with work platform 1's length direction, work platform 1's up end sliding connection has a supporting bench 2, supporting bench 2 is the cylinder, supporting bench 2's lower terminal surface an organic whole is connected with two bracing pieces 21, two bracing pieces 21 are listed in the both sides of supporting bench 2's axis respectively. One end of the support rod 21, which is far away from the support table 2, is integrally connected with a dovetail block 211 (as shown in fig. 3), the dovetail block 211 is clamped with the limit groove 12 to slide, and the dovetail groove 11 is used for circumferentially limiting the dovetail block 211.

As shown in fig. 2 to 3, the upper end surface of the supporting table 2 is provided with a main ring groove 24 (as shown in fig. 3), the axis of the main ring groove 24 is coaxially arranged with the axis of the supporting table 2, the main ring groove 24 is annular, the rotating frame 3 is installed above the supporting table 2, the rotating frame 3 is a cylinder, the lower end surface of the rotating frame 3 is provided with an auxiliary ring groove 32, the axis of the auxiliary ring groove 32 is coaxially arranged with the axis of the supporting table 2, the auxiliary ring groove 32 is annular, the auxiliary ring groove 32 is arranged opposite to the main ring groove 24, the main ring groove 24 is rotatably connected with a plurality of balls 25, the balls 25 are abutted against the bottom end of the auxiliary ring groove 32, and the rotating frame 3 is supported above the supporting table 2. Two hinged plates 31 are fixedly connected to the upper end face of the rotating frame 3, the two hinged plates 31 are respectively arranged on two sides of the axis of the rotating frame 3, the hinged plates 31 are hinged with the spray head 4, and the spray head 4 is located between the two hinged plates 31.

As shown in fig. 2, a turning device 8 is installed between the hinge plate 31 and the spray head 4, the turning device 8 includes a rotating disc 82 and a fixed disc 81, both the rotating disc 82 and the fixed disc 81 are cylinders, the fixed disc 81 is fixedly connected with the side surface of the hinge plate 31 facing the spray head 4, and a bolt 811 penetrates through a side surface thread of the fixed disc 81 far away from the spray head 4. The rotating disc 82 is fixedly connected with the outer peripheral surface of the spray head 4, the axis of the rotating disc 82 is coaxial with the axis of the fixed disc 81, a plurality of threaded holes 821 are formed in the end surface of the rotating disc 82 at equal angles around the axis of a hinge shaft of the spray head 4 and the hinge plate 31, and the distance from the axis of the threaded holes 821 to the axis of the hinge shaft of the spray head 4 and the hinge plate 31 is equal to the distance from the axis of the bolt 811 to the axis of the hinge shaft of the spray head 4 and the hinge plate 31. When threaded hole 821 is aligned with bolt 811, and bolt 811 is screwed into threaded hole 821, rotary disk 82 is fixed relative to fixed disk 81.

As shown in fig. 3, a circular groove 22 is formed in the lower end surface of the support base 2, the axis of the circular groove 22 is coaxial with the axis of the support base 2, a bearing 23 is connected to the inner peripheral surface of the circular groove 22 by interference, and the lower end surface of the bearing 23 is coplanar with the lower end surface of the support base 2. Fixedly connected with motor 5 in work platform 1's the cavity, motor 5's pivot protrusion in work platform 1's up end setting, motor 5's pivot coaxial rotation has bull stick 51, and bull stick 51 link up the inner ring of bearing 23, and the inner ring interference of bull stick 51 and bearing 23 is connected, and bull stick 51 link up the up end setting of brace table 2, and the axis of rotating turret 3 and the coaxial setting of the axis of bull stick 51, the top coaxial rotation of rotating turret 3 and bull stick 51.

The upper end face of the working platform 1 is provided with a limiting groove 12, the cross section of the limiting groove 12 is of a T-shaped shape, the length direction of the limiting groove 12 is consistent with that of the working platform 1, the transmission mechanism comprises a gear 61 and a rack 62, the rack 62 is fixedly connected with the upper end face of the working platform 1, the gear 61 and the rotating rod 51 rotate coaxially, the gear 61 is located between the rotating frame 3 and the motor 5, and the gear 61 and the rack 62 are meshed for transmission. The lower end face of the gear 61 is fixedly connected with a round step 63, the round step 63 is a cylinder, the axis of the round step 63 and the axis of the rotating rod 51 rotate coaxially, the outer diameter of the round step 63 is smaller than the diameter of the root circle of the gear 61, and the lower end face of the round step 63 is abutted to the upper end face of the working platform 1.

The lower end face of the round step 63 is fixedly connected with a limiting block 64, the limiting block 64 is a rotating body with a cross section similar to a T shape, the axis of the limiting block 64 and the axis of the rotating rod 51 are coaxially arranged, the limiting block 64 is clamped with the limiting groove 12 to slide, and the limiting groove 12 is used for circumferentially limiting the limiting block 64.

The upper end face of the working platform 1 is fixedly connected with a protective cover 7 (as shown in fig. 2), the protective cover 7 is a cuboid with a cavity 72 (as shown in fig. 3) formed in the lower end face, the transmission mechanism 6 is located in the cavity 72, the upper end face of the protective cover 7 is provided with a working groove 71 communicated with the cavity 72, the working groove 71 is long-strip-shaped, the length direction of the working groove 71 is consistent with that of the working platform 1, and the rotating rod 51 is inserted into the working groove 71.

The working conditions and principles of the embodiment are as follows:

when needing to spray the dust fall operation to the appointed region, under the prerequisite of closing main brake power and municipal water supply pipe, at first, close 5 powers of motor, remove the watering dust fall device to the appointed region through removing wheel 9. Then, the turning device 8 is adjusted so that the head 4 is turned to a proper angle, and then is screw-inserted into the screw hole 821 by the bolt 811 to fix the rotation angle of the head 4. The main gate power is then turned on and the municipal water supply line is switched on.

Then, the power supply of the motor 5 is turned on, so that the spray head 4 sprays water towards the designated area, and meanwhile, the motor 5 drives the rotating rod 51 to rotate, so that the rotating frame 3 is driven to rotate, so that the spray head 4 sprays around to enlarge the area covered by spraying.

Simultaneously, motor 5 rotates and drives gear 61 and rotate, through gear 61 and rack 62 meshing transmission, because rack 62 and work platform 1 fixed connection, utilize the relative motion of gear 61 and rack 62, and then just reverse through motor 5, make gear 61 carry out reciprocating sliding motion along the length direction of rack 62, drive brace table 2 simultaneously, rotating turret 3 and shower nozzle 4 carry out reciprocating sliding motion, and then increase the spray region of 4 horizontal directions of shower nozzle, make spraying of shower nozzle 4 even, and reach the effect that improves the spray dust fall.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a watering dust device, characterized by: the device comprises a working platform (1) supported on the ground, wherein the upper end surface of the working platform (1) is connected with a supporting table (2) in a sliding manner, the upper end surface of the supporting table (2) is provided with a rotating frame (3), the rotating frame (3) is hinged with a spray head (4) communicated with a municipal water supply pipeline, and a turnover mechanism which is used for turning over and fixing the spray head (4) is arranged between the rotating frame (3) and the spray head (4); motor (5) are installed in work platform (1), rotating turret (3) with the coaxial rotation of the pivot of motor (5), the pivot of motor (5) is connected with the drive rotating turret (3) reciprocating sliding motion's drive mechanism (6).

2. A watering and dust-settling device according to claim 1, characterized in that: the working platform (1) is a hollow cuboid, the motor (5) is positioned in a cavity of the working platform (1), a rotating shaft of the motor (5) is arranged upwards, and a rotating rod (51) is coaxially rotated by the rotating shaft of the motor (5); the transmission mechanism (6) comprises a gear (61) and a rack (62), the gear (61) and the rotating rod (51) rotate coaxially, the rack (62) is fixedly connected with the upper end face of the working platform (1), and the gear (61) is in meshing transmission with the rack (62); the rotating frame (3) and the rotating rod (51) rotate coaxially, and the rotating rod (51) is located at one end, far away from the rotating frame (3), of the gear (61) and slides in a clamping mode on the upper end face of the working platform (1).

3. A watering and dust-settling device according to claim 1, characterized in that: tilting mechanism includes rolling disc (82) and fixed disk (81), rolling disc (82) with shower nozzle (4) fixed connection, fixed disk (81) with rotating turret (3) fixed connection, rolling disc (82) with fixed disk (81) all with rotating turret (3) with the articulated shaft of shower nozzle (4) rotates and connects, rolling disc (82) orientation the side of fixed disk (81) is wound rotating turret (3) with a plurality of screw holes (821) are opened along the circumferencial direction to the articulated shaft of shower nozzle (4), fixed disk (81) are kept away from the terminal surface screw thread of rolling disc (82) link up there is bolt (811), work as bolt (811) with during screw hole (821) threaded connection, rolling disc (82) with fixed disk (81) relatively fixed.

4. A watering and dust-settling device according to claim 2, characterized in that: the up end fixedly connected with safety cover (7) of work platform (1), the lower terminal surface of safety cover (7) is opened there is cavity (72), drive mechanism (6) are located in cavity (72), the up end of safety cover (7) open have with work groove (71) that cavity (72) are linked together, the length direction of work groove (71) with rotating turret (3) slip direction parallel arrangement each other, bull stick (51) with work groove (71) are pegged graft.

5. A watering and dust-settling device according to claim 1, characterized in that: the utility model discloses a dovetail (11) are opened to the up end of work platform (1), the length direction of dovetail (11) with the mutual parallel arrangement of slip direction of rotating turret (3), the lower terminal surface arch of brace table (2) has dovetail block (211), dovetail block (211) with dovetail (11) joint slides, dovetail (11) are right dovetail block (211) carry out circumference spacing.

6. A watering and dust-settling device according to claim 2, characterized in that: the up end of brace table (2) is opened there is master ring groove (24), the lower terminal surface of rotating turret (3) is opened there is vice annular groove (32), vice annular groove (32) with the axis of master ring groove (24) all with the coaxial setting of axis of bull stick (51), vice annular groove (32) with master ring groove (24) are just to setting up, master ring groove (24) with be provided with a plurality of balls (25) between vice annular groove (32), rotating turret (3) are through a plurality of ball (25) support in the up end of brace table (2).

7. A watering and dust-settling device according to claim 2, characterized in that: the up end of work platform (1) is opened there is spacing groove (12), the length direction of spacing groove (12) with the mutual parallel arrangement of slip direction of rotating turret (3), bull stick (51) are located along its axis direction gear (61) are kept away from the one end fixedly connected with stopper (64) of rotating turret (3), stopper (64) with spacing groove (12) joint slides, spacing groove (12) are right stopper (64) carry out circumference spacing.

8. A watering and dust-settling device according to claim 2, characterized in that: the lower end face of the gear (61) is provided with a round step (63), the axis of the round step (63) is coaxial with the axis of the gear (61), and the lower end face of the round step (63) is abutted to the upper end face of the working platform (1).

9. A watering and dust-settling device according to claim 1, characterized in that: the lower end face of the working platform (1) is provided with a plurality of movable wheels (9).

10. A watering and dust-settling device according to claim 2, characterized in that: the lower terminal surface of brace table (2) is opened there is circular slot (22), interference fit has bearing (23) in circular slot (22), bull stick (51) with the inner ring of bearing (23) is pegged graft and interference fit, bull stick (51) link up in the up end of brace table (2), rotating turret (3) with bull stick (51) coaxial rotation.