CN214552145U - Building construction working face sprays dust fall heat sink - Google Patents

Abstract

The utility model discloses a spraying dust-reducing and cooling device for construction working face, which comprises a base, a U-shaped handle, a water storage tank, an atomizing spray head, an automatic water spraying mechanism and a circulating swing mechanism, wherein four corners of the bottom of the base are all rotatably provided with walking wheels, and the left side of the base is fixedly connected with the U-shaped handle which is obliquely arranged; the top of the base is fixedly connected with a water storage tank with an opening, the top of the water storage tank is fixedly connected with a cover plate, the right side of the water storage tank is provided with an atomizing nozzle, the top of the cover plate is fixedly connected with an automatic water spraying mechanism, and the right side of the water storage tank is provided with a circulating swing mechanism matched with the atomizing nozzle. The utility model discloses be convenient for when ambient temperature or dust concentration are higher, the automatic control atomizer circulated the oscillating back and forth and sprays and cool down the dust fall operation, and the scope that the increase atomizer sprayed improves cooling dust fall efficiency, and degree of automation is high.

Description

Building construction working face sprays dust fall heat sink

Technical Field

The utility model relates to a spray dust fall cooling equipment technical field, especially relate to a building construction working face sprays dust fall heat sink.

Background

Inevitably can produce dust in the building work progress, and when building engineering major structure construction, the construction operation face exposes under burning sun more, its highest problem can reach and exceed 40 even, cause the construction to have to stagger the high temperature time quantum, even so, cause workman sunstroke and fall scheduling problem also to take place occasionally because of high temperature during the construction operation, consequently, in order to provide a good construction environment for the workman, need carry out dust fall and cooling treatment to the construction operation face, consequently, need to use building construction operation face to spray dust fall heat sink, current building construction operation face sprays dust fall heat sink and mostly is through spray truck, atomizer, water tank and water pump cooperation, the water pump draws water from the water tank, spray through atomizer and carry out dust fall heat sink operation.

But the atomizer that current building construction operation face sprayed dust fall heat sink is fixed mostly, be not convenient for carry out the water spray operation of circulating swing when spraying, and then cause it to spray the area less, dust fall and cooling efficiency are lower, the effect is relatively poor, and it sprays mostly manual control, be not convenient for when the dust is more or the temperature is higher, the operation sprays automatically, can not satisfy building construction operation face user demand, therefore we have proposed a building construction operation face and have sprayed dust fall heat sink and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a building construction working face spraying dust-settling and cooling device.

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

a spraying, dust-reducing and cooling device for a building construction working face comprises a base, a water storage tank, an atomizing spray head, an automatic water spraying mechanism and a circulating swing mechanism, wherein walking wheels are rotatably mounted at four corners of the bottom of the base, and a U-shaped handle which is obliquely arranged is fixedly connected to the left side of the base;

the top of the base is fixedly connected with a water storage tank with an opening, the top of the water storage tank is fixedly connected with a cover plate, the right side of the water storage tank is provided with an atomizing nozzle, the top of the cover plate is fixedly connected with an automatic water spraying mechanism, and the right side of the water storage tank is provided with a circulating swing mechanism matched with the atomizing nozzle.

Preferably, the automatic water spraying mechanism includes: a dust sensor fixedly arranged at the top of the cover plate, a temperature sensor is fixedly connected at the top of the dust sensor, a high-pressure water pump is fixedly connected at the top of the cover plate, a controller is fixedly and electrically connected at the top of the high-pressure water pump, a storage battery is fixedly connected at the top of the cover plate, the dust sensor, the temperature sensor, the high-pressure water pump and the controller are all electrically connected with the storage battery, the dust sensor and the temperature sensor are both electrically connected with the controller, the water inlet end of the high-pressure water pump extends into the water storage tank and is fixedly connected with a water suction pipe, the bottom end of the water suction pipe is fixedly connected with a water suction head, a rectangular box with an opening at the top is fixedly connected at the right side of the water storage tank, the right side bottom of the rectangular box is communicated with and is fixed with the left side of the atomizer, a water spray pipe is communicated with and fixed at the water outlet end of the high-pressure water pump, and the bottom end of the water spray pipe extends into the rectangular box, the top of the rectangular box is fixedly connected with a baffle plate, and the baffle plate is fixedly sleeved on the water spray pipe.

Preferably, the cyclic swing mechanism includes: a first rotating shaft which is rotatably arranged between the inner walls at two sides of the rectangular box, a plurality of water wheel blades are fixedly connected with the outer side of the first rotating shaft in an annular shape, the water wheel blades are all positioned below the spray pipe and matched with the spray pipe, a first groove is arranged at the right side of the base, a second rotating shaft and a third rotating shaft are rotatably arranged at the top of the base, the bottom end of the second rotating shaft and the bottom end of the third rotating shaft both extend into the first groove, the top part of the right side of the third rotating shaft is fixedly connected with the left side of the atomizing nozzle, the top end of the second rotating shaft extends into the rectangular box and is fixedly connected with a first bevel gear, a second bevel gear meshed with the first bevel gear is fixedly sleeved on the first rotating shaft, an eccentric wheel is fixedly connected at the bottom end of the second rotating shaft, a first gear is fixedly connected at the bottom end of the third rotating shaft, a rack is meshed with the rear side of the first gear, and is slidably arranged on the inner wall at the bottom of the first groove, the left end of the rack is fixedly connected with a clip frame, balls are embedded on the inner walls of two sides of the clip frame, two sides of the eccentric wheel are in rolling contact with the two balls respectively, a rectangular rod is fixedly connected to the left side of the clip frame, and the base is sleeved on the rectangular rod in a sliding manner.

Preferably, a rectangular groove is formed in the inner wall of the left side of the first groove, and the inner wall of the rectangular groove is in sliding connection with the outer side of the rectangular rod.

Preferably, a first circular hole and a second circular hole are formed in the inner wall of the top of the first groove, a first bearing is fixedly sleeved in the first circular hole, the inner side of an inner ring of the first bearing is fixedly connected with the outer side of the second rotating shaft, a second bearing is fixedly sleeved in the second circular hole, and the inner side of an inner ring of the second bearing is fixedly connected with the outer side of the third rotating shaft.

Preferably, the right-hand member fixedly connected with anticreep piece of rack, the bottom fixedly connected with slider of rack inlay on the bottom inner wall in first groove and are equipped with T shape slide rail, and the T shape spout that both sides were the opening setting is seted up to the bottom of slider, T shape slide rail and T shape spout sliding connection.

Preferably, a third circular hole is formed in the inner wall of the bottom of the rectangular box, a sealing bearing is fixedly sleeved in the third circular hole, and the inner side of an inner ring of the sealing bearing is fixedly connected with the outer side of the second rotating shaft.

Preferably, the inner walls of the two sides of the rectangular box are provided with rotating grooves, a third bearing is fixedly sleeved in each rotating groove, and the inner side of an inner ring of each third bearing is fixedly connected with the outer side of the first rotating shaft.

Preferably, the top of the baffle is provided with a mounting hole, and the inner wall of the mounting hole is fixedly connected with the outer side of the spray pipe.

Preferably, the top of the cover plate is provided with a first through hole, and the outer side of the water inlet end of the high-pressure water pump is in movable contact with the inner wall of the first through hole.

Compared with the prior art, the beneficial effects of the utility model are that:

through the matching of a water storage tank, a high-pressure water pump, an atomizing nozzle, a water suction pipe, a base, a dust sensor, a storage battery, a controller, a water spray pipe, a third rotating shaft, a rectangular box, a second rotating shaft, a first groove, a square frame, a rack, a first gear, an eccentric wheel, a rectangular rod, a first rotating shaft, a water wheel blade and a second bevel gear with a first bevel gear, when the dust sensor or the temperature sensor senses that the dust concentration or the temperature outside the dust sensor is higher than the preset temperature, transmitting a signal to a controller and controlling a high-pressure water pump to start, wherein the high-pressure water pump sequentially pumps water in a water storage tank through a water suction pipe and a water suction head, the pumped water is sprayed to a plurality of water wheel blades in a rectangular box through a water outlet end of the high-pressure water pump and a water spray pipe, the water in the rectangular box is gradually increased and is sprayed out through a connecting hose and an atomizing nozzle in sequence, and dust settling and cooling treatment is carried out on the outside;

when water impacts the plurality of water wheel blades, the plurality of water wheel blades are driven to rotate, the water wheel blades drive the second bevel gear to rotate through the first rotating shaft, the second bevel gear drives the second rotating shaft to rotate through the first bevel gear, the second rotating shaft drives the eccentric wheel to rotate, when the eccentric wheel rotates for the first half circle, the balls on the right side are extruded to move rightwards, the balls on the right side drive the square-shaped frame to move rightwards, when the eccentric wheel rotates for the second half circle, the balls on the left side are extruded to move leftwards, the balls on the left side drive the square-shaped frame to move leftwards, the eccentric wheel continuously rotates, the square-shaped frame drives the rectangular rod to circularly slide rightwards and leftwards in the rectangular groove, the square-shaped frame drives the first gear to circularly rotate forwards and reversely through the rack, the first gear drives the atomizing nozzle to circularly swing forwards and backwards to spray through the third rotating shaft, the spraying range of the atomizing nozzle is enlarged, and the dust-settling and cooling efficiency is improved.

The utility model discloses be convenient for when ambient temperature or dust concentration are higher, the automatic control atomizer circulated the oscillating back and forth and sprays and cool down the dust fall operation, and the scope that the increase atomizer sprayed improves cooling dust fall efficiency, and degree of automation is high.

Drawings

Fig. 1 is a schematic view of a cross-sectional structure of a spraying dust-settling and cooling device for a construction working face provided by the utility model;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 100 water storage tanks, 101 high-pressure water pumps, 102 atomizing nozzles, 103 water suction pipes, 1 base, 2 dust sensors, 3 storage batteries, 4 controllers, 5 water spray pipes, 6 third rotating shafts, 7 rectangular boxes, 8 second rotating shafts, 9 first grooves, 10-square frames, 11 racks, 12 first gears, 13 eccentric wheels, 14 rectangular rods, 15 first rotating shafts, 16 water impeller blades, 17 second bevel gears and 18 first bevel gears.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, the spraying, dust-settling and cooling device for the building construction working face comprises a base 1, a water storage tank 100, an atomizing spray head 102, an automatic water spraying mechanism and a circulating swing mechanism, wherein four corners of the bottom of the base 1 are respectively rotatably provided with a traveling wheel, and the left side of the base 1 is fixedly connected with an obliquely arranged U-shaped handle;

a water storage tank 100 with an opening at the top is fixedly connected to one side of the top of the base 1, a cover plate is fixedly connected to the top of the water storage tank 100, an atomizing nozzle 102 is arranged on the right side of the water storage tank 100, an automatic water spraying mechanism is fixedly connected to the top of the cover plate, and a circulating swing mechanism matched with the atomizing nozzle 102 is arranged on the right side of the water storage tank 100;

automatic water spray mechanism includes: the dust sensor 2 is fixedly arranged at the top of the cover plate, the top of the dust sensor 2 is fixedly connected with a temperature sensor, the top of the cover plate is fixedly connected with a high-pressure water pump 101, the top of the high-pressure water pump 101 is fixedly and electrically connected with a controller 4, the top of the cover plate is fixedly connected with a storage battery 3, the dust sensor 2, the temperature sensor, the high-pressure water pump 101 and the controller 4 are electrically connected with the storage battery 3, the dust sensor 2 and the temperature sensor are electrically connected with the controller 4, the water inlet end of the high-pressure water pump 101 extends into the water storage tank 100 and is fixedly connected with a water suction pipe 103, the bottom end of the water suction pipe 103 is fixedly connected with a water suction head, the right side of the water storage tank 100 is fixedly connected with a rectangular box 7 with an opening at the top, the same hose is communicated and fixed between the right side bottom of the rectangular box 7 and the left side of the atomizing nozzle 102, the water outlet end of the high-pressure water pump 101 is communicated and is fixed with a water spray pipe 5, the bottom end of the spray pipe 5 extends into the rectangular box 7, the top of the rectangular box 7 is fixedly connected with a baffle plate, and the baffle plate is fixedly sleeved on the spray pipe 5;

the circulating swing mechanism includes: a first rotating shaft 15 rotatably installed between the inner walls of the two sides of the rectangular box 7, a plurality of water wheel blades 16 are fixedly connected with the outer side of the first rotating shaft 15 in an annular shape, the water wheel blades 16 are all positioned below the spray pipe 5 and matched with the spray pipe 5, a first groove 9 is formed in the right side of the base 1, a second rotating shaft 8 and a third rotating shaft 6 are rotatably installed at the top of the base 1, the bottom end of the second rotating shaft 8 and the bottom end of the third rotating shaft 6 both extend into the first groove 9, the top of the right side of the third rotating shaft 6 is fixedly connected with the left side of the atomizing nozzle 102, the top end of the second rotating shaft 8 extends into the rectangular box 7 and is fixedly connected with a first bevel gear 18, a second bevel gear 17 meshed with the first bevel gear 18 is fixedly sleeved on the first rotating shaft 15, an eccentric wheel 13 is fixedly connected with the bottom end of the second rotating shaft 8, and a first gear 12 is fixedly connected with the bottom end of the third rotating shaft 6, the rear side meshing of first gear 12 has rack 11, and rack 11 slidable mounting is on the bottom inner wall of first groove 9, and the left end fixedly connected with of rack 11 returns shape frame 10, returns and all inlays on the both sides inner wall of shape frame 10 and be equipped with the ball, eccentric wheel 13's both sides respectively with two ball rolling contact, return the left side fixedly connected with rectangular rod 14 of shape frame 10, the base 1 slip cap is established on rectangular rod 14, the utility model discloses be convenient for when ambient temperature or dust concentration are higher, automatic control atomizer 102 circulates and swings around spraying and cools down the dust fall operation, and the scope that the increase atomizer sprayed improves cooling dust fall efficiency, and degree of automation is high.

In the utility model, a rectangular groove is arranged on the inner wall of the left side of a first groove 9, the inner wall of the rectangular groove is connected with the outer side of a rectangular rod 14 in a sliding way, a first circular hole and a second circular hole are arranged on the inner wall of the top part of the first groove 9, a first bearing is fixedly sleeved in the first circular hole, the inner side of an inner ring of the first bearing is fixedly connected with the outer side of a second rotating shaft 8, a second bearing is fixedly sleeved in the second circular hole, the inner side of an inner ring of the second bearing is fixedly connected with the outer side of a third rotating shaft 6, an anti-falling block is fixedly connected with the right end of a rack 11, a sliding block is fixedly connected with the bottom part of the rack 11, a T-shaped sliding rail is embedded on the inner wall of the bottom part of the first groove 9, a T-shaped sliding groove with openings on both sides is arranged at the bottom part of the sliding block, the T-shaped sliding rail is connected with the T-shaped sliding groove in a sliding way, a third circular hole is arranged on the inner wall of the bottom part of a rectangular box 7, a sealing bearing is fixedly arranged in the third circular hole, inboard and the outside fixed connection of second pivot 8 of sealed bearing's inner circle, the rotation groove has all been seted up on the both sides inner wall of rectangle box 7, it is equipped with the third bearing to rotate the fixed cover in the groove, the inboard outside fixed connection with first pivot 15 of inner circle of third bearing, the mounting hole has been seted up at the top of baffle, the inner wall of mounting hole and the outside fixed connection of spray pipe 5, first through-hole has been seted up at the top of apron, the inner wall movable contact of the end outside and first through-hole of intaking of high pressure water pump 101, the utility model discloses be convenient for when ambient temperature or dust concentration are higher, automatic control atomizer 102 circulation front and back swing sprays and cools down the dust fall operation, increases the scope that atomizer sprayed, improves cooling dust fall efficiency, and degree of automation is high.

The working principle is as follows: when the dust-removing device is used, the whole device is convenient to move to a required position through the matching of the U-shaped handle and the travelling wheels, when the dust sensor 2 or the temperature sensor senses that the concentration or the temperature of external dust is higher than a preset temperature, the dust sensor 2 or the temperature sensor transmits a signal to the controller 4, the controller 4 controls the high-pressure water pump 101 to be started, the water inlet end of the high-pressure water pump 101 sequentially passes through the water suction pipe 103 and the water suction head to extract water in the water storage tank 100, the extracted water enters the water spray pipe 5 through the water outlet end of the high-pressure water pump 101, the water is sprayed out to the plurality of water wheel blades 16 in the rectangular box 7 through the water spray pipe 5, the water in the rectangular box 7 is gradually increased and enters the atomizing nozzle 102 through the connecting hose, and the water is sprayed out through the atomizing nozzle 102 to perform dust-removing and temperature-reducing treatment on the external;

when water impacts on the plurality of water wheel blades 16, under the action of impact force, the plurality of water wheel blades 16 rotate, the water wheel blades 16 drive the first rotating shaft 15 to rotate, the first rotating shaft 15 drives the second bevel gear 17 to rotate, the second bevel gear 17 drives the first bevel gear 18 engaged with the first bevel gear to rotate, the first bevel gear 18 drives the second rotating shaft 8 to rotate, the second rotating shaft 8 drives the eccentric wheel 13 to rotate, the eccentric wheel 13 rotates for the first half circle, the right-side balls are extruded, the extruding force drives the right-side balls to move rightwards, the right-side balls drive the loop-shaped frame 10 to move rightwards, and the extruding force drives the left-side balls to move leftwards, the left-side balls drive the loop-shaped frame 10 to move leftwards, the eccentric wheel 13 continuously rotates, so that the loop-shaped frame 10 circularly moves leftwards and leftwards, the loop-shaped frame 10 drives the rectangular rod 14 to circularly slide leftwards in the rectangular groove, shape frame 10 drives rack 11 circulation right side left side and removes, rack 11 drives the slider and circulates right side left side slip on T shape slide rail, rack 11 drives first gear 12 circulation positive and negative rotation, first gear 12 drives 6 circulation positive and negative rotations of third pivot, third pivot 6 drives atomizer 102 circulation swing back and forth, make atomizer 102 can circulate the front and back swing spray when spraying, the scope that increase atomizer 102 sprayed, dust fall cooling efficiency has been improved, make it be convenient for when ambient temperature or dust concentration are higher, automatic control atomizer 102 circulation front and back swing spray and cool down the dust fall operation, cooling dust fall efficiency is improved, degree of automation is high.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (10)

1. The utility model provides a building construction working face sprays dust fall heat sink which characterized in that:

the spraying dust-reducing and cooling device for the building construction working face comprises a base (1), a water storage tank (100), an atomizing spray head (102), an automatic water spraying mechanism and a circulating swing mechanism, wherein four corners of the bottom of the base (1) are respectively rotatably provided with a traveling wheel, and the left side of the base (1) is fixedly connected with an obliquely arranged U-shaped handle;

the automatic water spraying device is characterized in that the top of one side of the top of the base (1) is fixedly connected with a water storage tank (100) with an opening, the top of the water storage tank (100) is fixedly connected with a cover plate, an atomizing nozzle (102) is arranged on the right side of the water storage tank (100), an automatic water spraying mechanism is fixedly connected with the top of the cover plate, and a circulating swing mechanism matched with the atomizing nozzle (102) is arranged on the right side of the water storage tank (100).

2. The spraying dust-reducing and temperature-reducing device for the construction working face of claim 1, which is characterized in that:

the automatic water spraying mechanism comprises: the dust sensor (2) is fixedly arranged at the top of the cover plate, the top of the dust sensor (2) is fixedly connected with a temperature sensor, the top of the cover plate is fixedly connected with a high-pressure water pump (101), the top of the high-pressure water pump (101) is fixedly and electrically connected with a controller (4), the top of the cover plate is fixedly connected with a storage battery (3), the dust sensor (2), the temperature sensor, the high-pressure water pump (101) and the controller (4) are electrically connected with the storage battery (3), the dust sensor (2) and the temperature sensor are electrically connected with the controller (4), the water inlet end of the high-pressure water pump (101) extends into the water storage tank (100) and is fixedly connected with a water suction pipe (103), the bottom end of the water suction pipe (103) is fixedly connected with a water suction head, the right side of the water storage tank (100) is fixedly connected with a rectangular box (7) with the top which is provided with an opening, the right side bottom of the rectangular box (7) is communicated with the left side of the atomizing nozzle (102) and is fixedly connected with a same hose, the water outlet end of the high-pressure water pump (101) is communicated and fixed with a water spray pipe (5), the bottom end of the water spray pipe (5) extends into the rectangular box (7), the top of the rectangular box (7) is fixedly connected with a baffle, and the baffle is fixedly sleeved on the water spray pipe (5).

3. The spraying dust-reducing and temperature-reducing device for the construction working face of claim 1, which is characterized in that:

the cyclic swing mechanism includes: a first rotating shaft (15) rotatably installed between the inner walls of the two sides of the rectangular box (7), a plurality of water wheel blades (16) are fixedly connected to the outer side of the first rotating shaft (15) in an annular shape, the water wheel blades (16) are all located below the water spray pipe (5) and matched with the water spray pipe (5), a first groove (9) is formed in the right side of the base (1), a second rotating shaft (8) and a third rotating shaft (6) are rotatably installed at the top of the base (1), the bottom end of the second rotating shaft (8) and the bottom end of the third rotating shaft (6) both extend into the first groove (9), the top of the right side of the third rotating shaft (6) is fixedly connected with the left side of the atomizing nozzle (102), the top end of the second rotating shaft (8) extends into the rectangular box (7) and is fixedly connected with a first bevel gear (18), a second bevel gear (17) meshed with the first bevel gear (18) is fixedly sleeved on the first rotating shaft (15), the bottom fixedly connected with eccentric wheel (13) of second pivot (8), the first gear (12) of bottom fixedly connected with of third pivot (6), the rear side meshing of first gear (12) has rack (11), rack (11) slidable mounting is on the bottom inner wall of first groove (9), the left end fixedly connected with of rack (11) returns shape frame (10), it is equipped with the ball all to inlay on the both sides inner wall of shape frame (10) to return, the both sides of eccentric wheel (13) respectively with two ball rolling contact, the left side fixedly connected with rectangular rod (14) of shape frame (10) return, base (1) slip cap is established on rectangular rod (14).

4. The spraying dust-reducing and temperature-reducing device for the construction working face of claim 3, which is characterized in that: a rectangular groove is formed in the inner wall of the left side of the first groove (9), and the inner wall of the rectangular groove is connected with the outer side of the rectangular rod (14) in a sliding mode.

5. The spraying dust-reducing and temperature-reducing device for the construction working face of claim 3, which is characterized in that: first circular port and second circular port have been seted up on the top inner wall of first groove (9), and first circular port internal fixation cover is equipped with first bearing, the inboard outside fixed connection with second pivot (8) of inner circle of first bearing, and the inboard outside fixed connection with third pivot (6) of inner circle of second bearing is equipped with the second bearing.

6. The spraying dust-reducing and temperature-reducing device for the construction working face of claim 3, which is characterized in that: the anti-falling device is characterized in that an anti-falling block is fixedly connected to the right end of the rack (11), a sliding block is fixedly connected to the bottom of the rack (11), a T-shaped sliding rail is embedded on the inner wall of the bottom of the first groove (9), a T-shaped sliding groove with two sides being opened is formed in the bottom of the sliding block, and the T-shaped sliding rail is connected with the T-shaped sliding groove in a sliding mode.

7. The spraying, dust-reducing and temperature-reducing device for the construction working face of claim 2 or 3, which is characterized in that: a third circular hole is formed in the inner wall of the bottom of the rectangular box (7), a sealing bearing is fixedly sleeved in the third circular hole, and the inner side of an inner ring of the sealing bearing is fixedly connected with the outer side of the second rotating shaft (8).

8. The spraying, dust-reducing and temperature-reducing device for the construction working face of claim 2 or 3, which is characterized in that: the inner walls of two sides of the rectangular box (7) are provided with rotating grooves, a third bearing is fixedly sleeved in each rotating groove, and the inner side of an inner ring of each third bearing is fixedly connected with the outer side of the first rotating shaft (15).

9. The spraying dust-reducing and temperature-reducing device for the construction working face of claim 2, which is characterized in that: the top of the baffle is provided with a mounting hole, and the inner wall of the mounting hole is fixedly connected with the outer side of the spray pipe (5).

10. The spraying dust-reducing and temperature-reducing device for the construction working face of claim 2, which is characterized in that: the top of the cover plate is provided with a first through hole, and the outer side of the water inlet end of the high-pressure water pump (101) is in movable contact with the inner wall of the first through hole.

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