CN116556250A - An assembled hand-push road construction cleaning device - Google Patents

Abstract

The invention relates to the technical field of road cleaning, in particular to an assembled hand-push type road construction cleaning device. The cleaning power unit comprises an outer box body; the bottom of the outer box body is provided with a bottom opening, the center of the top of the outer box body is provided with a first motor, the output end of the first motor extends into the outer box body, and a transmission mechanism is connected in a transmission manner; the inner wall of the outer box body is provided with a transmission toothed ring, and the inner wall of the transmission toothed ring is in meshed connection with the transmission mechanism; the bottom of the transmission mechanism is movably provided with a plurality of groups of first cleaning units, and the plurality of groups of first cleaning units are distributed in an annular array. The invention increases the contact area and friction force between each group of spiral cleaning brushes and the ground, avoids the occurrence of cleaning dead angles, and improves the cleaning effect. And avoid missing or splash of the filth and the filth when collecting the filth and the filth, promote the collecting ability of the filth and the filth.

Description

An assembled hand-push road construction cleaning device

technical field

The invention belongs to the technical field of road cleaning, in particular to an assembled hand-push type road construction cleaning device.

Background technique

After the construction of the road is completed, a large amount of stains and debris will remain on the road surface, which needs to be cleaned by a special cleaning device.

After searching, it is found that the publication number is: CN115726301A, and the publication date is 2023.03.03. It is called a multi-purpose cleaning device for road traffic. There is a vertical sealing piston, and a horizontal lower servo motor is fixed in the front and rear directions, the rear end of the rotation shaft of the lower servo motor is coaxially fixed with a screw rod, and the rear part of the screw rod is rotatably connected with the rear part of the lifting seat , and the threaded connection has a horizontal adjustment seat. In the above embodiment, the marking line on the road surface and the side of the guardrail can be well cleaned by cleaning with a brush and then flushing with clear water.

But above-mentioned embodiment still has following defective:

When the clear water turns into sewage after flushing, it is difficult to collect the sewage, causing the sewage to deposit on the road surface, thereby reducing the cleaning effect and collection capacity of the device.

Contents of the invention

In view of the above problems, the present invention provides an assembled hand-push road construction cleaning device, which includes a cleaning power unit, and the cleaning power unit includes an outer box body; the bottom of the outer box body is provided with a bottom opening, and the outer box body A first motor is arranged at the center of the top, and the output end of the first motor extends into the outer box body, and a transmission mechanism is connected in transmission; the inner wall of the outer box is provided with a transmission gear ring, and the inner wall of the transmission gear ring is connected The transmission mechanism is meshed and connected; several groups of first cleaning units are movably installed at the bottom of the transmission mechanism, and several groups of the first cleaning units are distributed in an annular array;

The first cleaning unit includes a cleaning column body, the bottom of the cleaning column body extends below the bottom opening; several groups of first liquid spray ports are provided at the bottom of the cleaning column body, and waste debris is provided at the center of the cleaning column body. Inlet; the cleaning column body is provided with a cleaning liquid storage cavity, and the bottom of the cleaning liquid storage cavity is connected with a first electric butterfly valve; the output end of the first electric butterfly valve is connected with each group of first liquid spray ports; the There is a dust collection chamber in the cleaning column body, and a vacuum pump is provided in the dust collection chamber, and the vacuum pump is connected with the waste chip inlet; a spiral cleaning brush is provided at the bottom of the cleaning column body, and one end of the spiral cleaning brush is connected to the waste chip inlet. The inlet is connected; the spiral cleaning brush has a spiral structure; several groups of first shoveling plates are distributed at equal intervals on the spiral cleaning brush, and the first shoveling plates are arranged obliquely.

Further, an annular chute is provided on the inner wall of the top of the outer box, and several groups of first sliders having the same number as the first cleaning units are slidably connected in the annular chute.

Further, the transmission mechanism includes a first rotating rod; the top of the first rotating rod is connected to the output end of the first motor, and the bottom of the first rotating rod is equipped with a first gear; the first rotating rod The central axes of the rod, the annular chute and the transmission gear ring are all coincident; the bottom of each set of the first sliders is rotatably connected to a group of second rotating rods, and the bottom of the second rotating rods is provided with a second gear.

Further, one side of the second gear is meshed with the first gear, and the other side is meshed with the inner wall of the transmission ring; each set of second gears is provided with a set of cleaning post holders; each set of said The first cleaning units are movably clamped on the bottom of a corresponding set of cleaning column holders.

Further, the first cleaning unit also includes a cleaning column clamp joint, and the cleaning column clamp joint is movably clamped to the bottom of a corresponding set of second gears, and the central axis of the cleaning column body coincides with the central axis of the cleaning column holder .

Further, the bottom of the cleaning liquid storage chamber is connected with a second electric butterfly valve, and the bottom of the side wall of the dust collection chamber is provided with a dust discharge port; the outer wall of the cleaning column body is sleeved with a side cleaning ring, and the side cleaning Several groups of second liquid spray ports are distributed in an annular array on the outer wall of the ring, and the several groups of second liquid spray ports are all connected with the second electric butterfly valve.

Further, a group of side cleaning brushes are arranged between adjacent two groups of the second liquid spray ports, and a second shoveling plate is installed on the base of the side cleaning brushes, and the length of the second shoveling plate is less than The length of the side cleaning brush; and the second shovel plate is inclined.

Further, a clamping frame is installed on the outer box, and an extended cleaning module is movably installed on the clamping frame.

Further, the extended cleaning module includes a second motor; the bottom of the second motor is connected with a third rotating rod, and the bottom of the third rotating rod is equipped with a second cleaning unit, and the structure of the second cleaning unit It is the same as the first cleaning unit, and the main body of the second cleaning unit is movably clamped on the clamping frame; the top of the second motor is provided with a damping hinge seat.

Further, a folding mechanism is hinged on the damping hinge seat, and the folding mechanism includes several sets of extension rods, and several groups of the extension rods are connected end to end in sequence, and a group of self-locking rods are hinged between adjacent two groups of the extension rods. type hinge, the end of the folding mechanism away from the damping hinge seat is hinged on the clamping frame.

The beneficial effects of the present invention are:

1. The first motor drives the first rotating rod and the first gear to rotate, and then drives each set of second gears to rotate, and because the second gear meshes with the transmission gear ring, each set of second gears will drive each set of cleaning columns The main body will revolve around the central axis of the first gear while rotating. In this way, the contact area and friction strength between each group of spiral cleaning brushes and the ground are increased, and dead cleaning angles are avoided, thereby improving the cleaning effect. And when the spiral cleaning brush is in contact with the road surface, since the spiral cleaning brush has a helical structure, when it rotates, the cleaning liquid and dirt debris will move along its spiral path to the waste debris inlet, avoiding the waste collection during the collection of dirt debris. Dropping or splashing of debris occurs when crumbs occur, improving the collection ability of stained debris.

2. When the vertical surface of the steps next to the road needs to be cleaned, start the second electric butterfly valve, spray the cleaning liquid on the vertical surface of the steps through the second liquid spray port, then attach the side cleaning brush to the vertical surface of the steps, and The vertical surface of the step is cleaned by utilizing the circular motion of each group of cleaning column bodies and its rotation. The device can not only clean the road surface, but also clean the vertical surface of the steps, thereby enriching the functions of the device.

3. When encountering a stain with strong adsorption that is difficult to clean with a spiral cleaning brush or a side cleaning brush, the stain will squeeze the tip of the cleaning brush and contact the first scraping plate or the second scraping plate, Then, the rotation of the cleaning column body is used to scrape off the dirt with strong adsorption by the first scraping board or the second scraping board. Thereby the cleaning strength of the device is improved.

4. When encountering a narrow gap where the outer box cannot enter, remove the second cleaning unit from the clamping frame, then unfold each set of extension rods in turn, and lock each set of self-locking hinges, so that each set The position can be fixed between the extension rods. Start the second motor again, drive the third rotating rod and the second cleaning unit to rotate as a whole by the second motor, and then push the second cleaning unit deep into the gap, thereby completing the cleaning work in the narrow gap. The device can be applied to different working environments, thereby improving the compatibility of the device.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure pointed out in the written description, claims hereof as well as the appended drawings.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 shows a schematic structural view of a cleaning device according to an embodiment of the present invention;

Fig. 2 shows a schematic cross-sectional view of a cleaning power unit according to an embodiment of the present invention;

Fig. 3 shows a schematic structural diagram of a transmission mechanism according to an embodiment of the present invention;

Fig. 4 shows a schematic structural diagram of a first cleaning unit according to an embodiment of the present invention;

Fig. 5 shows a schematic cross-sectional view of a cleaning column body according to an embodiment of the present invention;

FIG. 6 shows an enlarged schematic diagram of circle A in FIG. 4 according to an embodiment of the present invention;

Fig. 7 shows a schematic bottom view of a first cleaning unit according to an embodiment of the present invention;

Fig. 8 shows a schematic diagram of the expanded cleaning module according to an embodiment of the present invention.

In the figure: 100, hand support frame; 200, cleaning power unit; 210, outer box body; 211, bottom opening; 212, annular chute; 213, first slider; 220, first motor; 230, transmission mechanism; 231, the first rotating rod; 232, the first gear; 233, the second rotating rod; 234, the second gear; 240, the transmission gear ring; 250, the cleaning column holder; 300, the first cleaning unit; 310, the cleaning column 320, cleaning column body; 321, liquid injection port; 322, waste debris inlet; 323, first liquid spray port; 330, cleaning liquid storage chamber; 331, first electric butterfly valve; 332, first infusion tube; 333. The second electric butterfly valve; 334. The second infusion pipe; 340. The dust collection chamber; 341. The dust collection pipe; 342. The vacuum pump; 343. The dust outlet; 350. The first intermediary ring; 360. The side cleaning ring; 361 , the second spray port; 370, the second intermediary ring; 380, the spiral cleaning brush; 381, the first shovel plate; 390, the side cleaning brush; 391, the second shovel plate; 510, the second motor; 520, the third rotating rod; 530, the second cleaning unit; 540, the damping hinge seat; 550, the extension rod; 560, the self-locking hinge.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

An embodiment of the present invention provides an assembled hand-push road construction cleaning device, including a hand frame 100 . Exemplarily, as shown in FIG. 1 , a cleaning power unit 200 is movably snapped onto the handrail 100 . Several sets of first cleaning units 300 are connected to the bottom of the cleaning power unit 200 through transmission. The cleaning power unit 200 is used to provide power to the first cleaning unit 300 .

Several groups of the first cleaning units 300 are distributed in an annular array around the central axis of the main body of the cleaning power unit 200 .

The outer wall of the main body of the cleaning power unit 200 away from the handrail 100 is provided with a clamping frame 400 , and an extended cleaning module 500 is movably clamped on the clamping frame 400 . The extended cleaning module 500 is used for cleaning a narrow space.

Further, universal wheels are provided at the bottom of the handrail 100 . Through the cooperation of the handrail 100 and the universal wheels, the hand-push operation requirements are realized.

The cleaning power unit 200 includes an outer box 210 . Exemplarily, as shown in Figure 2, the bottom of the outer box 210 is provided with a bottom opening 211, and the center of the top of the outer box 210 is provided with a first motor 220, and the output end of the first motor 220 extends to the outer Inside the box body 210 , a transmission mechanism 230 is connected with transmission. An annular chute 212 is opened on the top inner wall of the outer box 210 , and several groups of first sliders 213 having the same number as the first cleaning unit 300 are slidably connected to the annular chute 212 . The inner wall of the outer box 210 is provided with a transmission gear ring 240 , the transmission gear ring 240 has a circular structure, and the inner wall of the transmission gear ring 240 is engaged with the transmission mechanism 230 .

The transmission mechanism 230 includes a first rotating rod 231 . Exemplarily, as shown in FIG. 3 , the top of the first rotating rod 231 is connected to the output end of the first motor 220 in transmission connection, and the bottom of the first rotating rod 231 is equipped with a first gear 232 . The central axes of the first rotating rod 231 , the annular sliding groove 212 and the transmission gear ring 240 are all coincident. The bottom of each set of first sliders 213 is rotatably connected to a set of second rotating rods 233 , and a second gear 234 is mounted on the bottom of the second rotating rods 233 . One side of the second gear 234 is meshed with the first gear 232 , and the other side is meshed with the inner wall of the transmission gear ring 240 . A set of cleaning post holders 250 is provided at the bottom of each set of second gears 234 . Each group of the first cleaning units 300 is movably clamped on the bottom of a corresponding group of cleaning column holders 250 .

When working, first start the first motor 220, drive the first rotating rod 231 to rotate through the first motor 220, and then utilize the engagement of each group of second gears 234 and the first gear 232 to make each group of second gears 234 rotate automatically, and because The second gear 234 meshes with the transmission gear ring 240 , so each set of second gears 234 revolves around the central axis of the first gear 232 while rotating. Then each set of second gears 234 drives its corresponding set of first cleaning units 300 to revolve and rotate, thereby cleaning the road surface.

The first cleaning unit 300 includes a cleaning column card connector 310 . Exemplarily, as shown in FIG. 4 and FIG. 5 , the cleaning column card connector 310 is movably engaged with a corresponding set of cleaning column holders 250 , and a cleaning column body 320 is installed at the bottom of the cleaning column card connector 310 . The central axis of the cleaning column body 320 coincides with the central axis of the cleaning column holder 250 . The bottom of the cleaning column body 320 extends below the bottom opening 211 . The bottom of the cleaning column body 320 is arranged in an annular array with several groups of first liquid spray ports 323, and the inner wall of the bottom of the cleaning column body 320 is provided with a first intermediary ring 350, and the first intermediary ring 350 is connected with each group of first intermediary rings. The liquid injection ports 323 are all connected. A waste debris inlet 322 is provided at the center of the cleaning column body 320 . The cleaning column body 320 is provided with a cleaning liquid storage chamber 330 , and a liquid injection port 321 is provided on one side of the cleaning liquid storage chamber 330 . A first electric butterfly valve 331 and a second electric butterfly valve 333 communicate with the bottom of the cleaning liquid storage chamber 330 . A first infusion tube 332 is provided on the output end of the first electric butterfly valve 331 , and the other end of the first infusion tube 332 communicates with the first intermediary ring 350 . The cleaning column body 320 is provided with a dust collection chamber 340, and the dust collection chamber 340 is provided with a dust collection pipe 341, the output end of the dust collection pipe 341 is connected with a vacuum pump 342, and the dust collection pipe 341 is input The end communicates with the waste inlet 322. A dust outlet 343 is provided at the bottom of one side wall of the dust collecting chamber 340 . The outer wall of the cleaning column body 320 is sleeved with a side cleaning ring 360, and the outer wall of the side cleaning ring 360 is provided with several groups of second spray ports 361 in a circular array, and the side cleaning ring 360 is provided with a second intermediary. ring 370 , the output end of the second intermediary ring 370 communicates with each group of second liquid injection ports 361 . The output end of the second electric butterfly valve 333 is connected with a second infusion tube 334 , and the other end of the second infusion tube 334 is in communication with the second intermediary ring 370 .

Exemplarily, as shown in FIG. 6 , a set of side cleaning brushes 390 is provided between two adjacent groups of the second spray ports 361 , and a second scraper plate 391 is installed on the base of the side cleaning brushes 390 , the length of the second scraping plate 391 is less than the length of the side cleaning brush 390 . And the second shovel plate 391 is inclined.

Exemplarily, as shown in FIG. 7 , a spiral cleaning brush 380 is installed at the bottom of the cleaning column body 320 , the central axis of the spiral cleaning brush 380 coincides with the central axis of the cleaning column body 320 , and one end of the spiral cleaning brush 380 It communicates with the waste inlet 322 . And the spiral cleaning brush 380 has a spiral structure. Several sets of first shoveling plates 381 are installed on the spiral cleaning brush 380 , and the first shoveling plates 381 are arranged at equal intervals along the path of the spiral cleaning brush 380 . And the first shovel plate 381 is inclined.

When it is necessary to clean the road surface, firstly, each group of cleaning column card joints 310 is clamped to the bottom of each group of cleaning column holders 250 , and then the handrail 100 is installed on the surface of the outer box 210 . Then start the first motor 220, drive each group of cleaning column bodies 320 to rotate along the central axis of the first gear 232 by the first motor 220, and then use the friction between the spiral cleaning brush 380 and the road surface to complete the cleaning work. At the same time, the first electric butterfly valve 331 is opened, and the cleaning liquid in the cleaning liquid storage chamber 330 is delivered to each group of first liquid spray ports 323 through the first liquid delivery pipe 332, and then sprayed onto the road surface by the first liquid spray ports 323. . When the spiral cleaning brush 380 is in contact with the road surface sprayed with cleaning liquid, the cleaning liquid and dirt debris are concentrated to the waste debris inlet 322 by the spiral cleaning brush 380, and then the cleaning liquid and dirt debris are sucked by the suction of the vacuum pump 342 In the dust collection chamber 340. Because the spiral cleaning brush 380 has a helical structure, when it rotates, the cleaning liquid and dirt debris will move along its spiral path, so as to avoid omission or splashing of debris when collecting dirt debris, thereby improving cleaning effect.

When the vertical surface of the step next to the road needs to be cleaned, start the second electric butterfly valve 333, spray the cleaning liquid on the vertical surface of the step through the second liquid spray port 361, and then attach the side cleaning brush 390 to the vertical surface of the step, And the vertical surface of the step is cleaned by using the circular motion and the rotation of each group of cleaning column bodies 320 . The device can not only clean the road surface, but also clean the vertical surface of the steps, thereby enriching the functions of the device.

The extended cleaning module 500 includes a second motor 510 . Exemplarily, as shown in FIG. 8 , the bottom of the second motor 510 is drive-connected with a third rotating rod 520 , and a second cleaning unit 530 is installed at the bottom of the third rotating rod 520 . The second cleaning unit 530 The structure is the same as that of the first cleaning unit 300 , and the main body of the second cleaning unit 530 is movably clamped on the clamping frame 400 . The top of the second motor 510 is provided with a damping hinge seat 540, and a folding mechanism is hinged on the damping hinge seat 540. The folding mechanism includes several groups of extension rods 550, and several groups of the extension rods 550 are connected end to end in sequence, adjacent to each other. A set of self-locking hinges 560 are hinged between the two sets of extension rods 550 , and the end of the folding mechanism away from the damping hinge seat is hinged on the clamping frame 400 .

When encountering a narrow gap that the outer box body 210 cannot enter, the second cleaning unit 530 is removed from the clamping frame 400, and then each set of extension rods 550 is unfolded sequentially, and each set of self-locking hinges 560 is locked, The position between each group of extension rods 550 is fixed. Start the second motor 510 again, drive the third rotating rod 520 and the second cleaning unit 530 to rotate as a whole through the second motor 510, and then push the second cleaning unit 530 deep into the gap, thereby completing the cleaning work in the narrow gap. The device can be applied to different working environments, thereby improving the compatibility of the device.

This embodiment has the following beneficial effects:

1. The first rotating rod 231 and the first gear 232 are driven by the first motor 220 to rotate, and then each group of second gears 234 is driven to rotate, and because the second gear 234 meshes with the transmission ring 240, each group of second gears 234 This will drive each group of cleaning column bodies 320 to revolve around the central axis of the first gear 232 while rotating. In this way, the contact area and friction strength between each group of spiral cleaning brushes 380 and the ground are increased, so as to avoid cleaning dead angles, thereby improving the cleaning effect. And when the spiral cleaning brush 380 is in contact with the road surface, since the spiral cleaning brush 380 has a helical structure, when it rotates, the cleaning liquid and the dirt debris will move to the waste chip inlet 322 along its spiral path, avoiding the waste debris in the air. Dropping or splashing of debris occurs when collecting stained debris, improving the ability to collect stained debris.

2. When the vertical surface of the steps next to the road needs to be cleaned, start the second electric butterfly valve 333, spray the cleaning liquid on the vertical surface of the steps through the second liquid spray port 361, and then attach the side cleaning brush 390 to the vertical surface of the steps , and use the circular motion and rotation of each group of cleaning column bodies 320 to clean the vertical surface of the steps. The device can not only clean the road surface, but also clean the vertical surface of the steps, thereby enriching the functions of the device.

3. When encountering a stain that has strong adsorption and is difficult to clean with the spiral cleaning brush 380 or the side cleaning brush 390, the stain will squeeze the tip of the cleaning brush, and it will collide with the first shoveling plate 381 or the second shoveling material. The plates 391 are in contact with each other, and then the first shoveling plate 381 or the second shoveling plate 391 scrapes off the dirt with strong adsorption by utilizing the rotation of the cleaning column body 320 . Thereby the cleaning strength of the device is improved.

4. When encountering a narrow gap where the outer box body 210 cannot enter, remove the second cleaning unit 530 from the clamping frame 400, and then unfold each set of extension rods 550 in sequence, and lock each set of self-locking hinges 560, so that each set of extension rods 550 can be fixed in position. Start the second motor 510 again, drive the third rotating rod 520 and the second cleaning unit 530 to rotate as a whole through the second motor 510, and then push the second cleaning unit 530 deep into the gap, thereby completing the cleaning work in the narrow gap. The device can be applied to different working environments, thereby improving the compatibility of the device.

5. Between the handrail 100 and the outer box body 210, and between each group of first cleaning units 300 and each group of second gears 234 are movable and detachable installations. When the devices are idle, they are disassembled one by one. Placement is not only simple and quick to disassemble, but also reduces the occupied space, which meets the needs of assembly, thereby improving the convenience of storage.

Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: they can still modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features; and these The modification or replacement does not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (10)

1. An equipment hand propelled road construction belt cleaning device, its characterized in that: comprises a cleaning power unit (200), wherein the cleaning power unit (200) comprises an outer box body (210); the bottom of the outer box body (210) is provided with a bottom opening (211), the center of the top of the outer box body (210) is provided with a first motor (220), the output end of the first motor (220) extends into the outer box body (210), and a transmission mechanism (230) is connected in a transmission manner; a transmission toothed ring (240) is arranged on the inner wall of the outer box body (210), and the inner wall of the transmission toothed ring (240) is in meshed connection with the transmission mechanism (230); a plurality of groups of first cleaning units (300) are movably arranged at the bottom of the transmission mechanism (230), and the groups of first cleaning units (300) are distributed in an annular array;

the first cleaning unit (300) comprises a cleaning column body (320), and the bottom of the cleaning column body (320) extends to the lower part of the bottom opening (211); the bottom of the cleaning column body (320) is provided with a plurality of groups of first liquid spraying ports (323), and a scrap inlet (322) is formed in the center of the cleaning column body (320); a cleaning solution storage cavity (330) is arranged in the cleaning column body (320), and a first electric butterfly valve (331) is communicated with the bottom of the cleaning solution storage cavity (330); the output end of the first electric butterfly valve (331) is communicated with each group of first liquid spraying ports (323); a dust collection cavity (340) is arranged in the cleaning column body (320), a vacuum pump (342) is arranged in the dust collection cavity (340), and the vacuum pump (342) is communicated with the waste chip inlet (322); a spiral cleaning brush (380) is arranged at the bottom of the cleaning column body (320), and one end of the spiral cleaning brush (380) is communicated with the waste chip inlet (322); the spiral cleaning brush (380) is of a spiral structure; a plurality of groups of first shovel material plates (381) are distributed on the spiral cleaning brush (380) at equal intervals, and the first shovel material plates (381) are obliquely arranged.

2. The assembled hand propelled road construction cleaning apparatus of claim 1, wherein: an annular chute (212) is formed in the inner wall of the top of the outer box body (210), and a plurality of groups of first sliding blocks (213) with the same number as the first cleaning units (300) are connected in a sliding manner in the annular chute (212).

3. The assembled hand propelled road construction cleaning apparatus of claim 2, wherein: the transmission mechanism (230) comprises a first rotating rod (231); the top of the first rotating rod (231) is in transmission connection with the output end of the first motor (220), and a first gear (232) is arranged at the bottom of the first rotating rod (231); the central axes of the first rotating rod (231), the annular sliding groove (212) and the transmission toothed ring (240) are all coincident; and a group of second rotating rods (233) are rotatably connected to the bottoms of the first sliding blocks (213), and second gears (234) are arranged at the bottoms of the second rotating rods (233).

4. An assembled hand propelled road construction cleaning apparatus according to claim 3 and wherein: one side of the second gear (234) is in meshed connection with the first gear (232), and the other side of the second gear is in meshed connection with the inner wall of the transmission toothed ring (240); a group of cleaning column clamping seats (250) are arranged at the bottom of each group of second gears (234); each group of the first cleaning units (300) is movably clamped at the bottom of a corresponding group of cleaning column clamping seats (250).

5. An assembled hand propelled road construction cleaning apparatus according to claim 3 and wherein: the first cleaning unit (300) further comprises a cleaning column clamping connector (310), the cleaning column clamping connector (310) is movably clamped at the bottom of the corresponding group of second gears (234), and the central axis of the cleaning column body (320) coincides with the central axis of the cleaning column clamping seat (250).

6. The assembled hand propelled road construction cleaning apparatus of claim 1, wherein: the bottom of the cleaning liquid storage cavity (330) is communicated with a second electric butterfly valve (333), and the bottom of one side wall of the dust collection cavity (340) is provided with a dust discharge port (343); the cleaning column is characterized in that a side cleaning ring (360) is sleeved on the outer wall of the cleaning column body (320), a plurality of groups of second liquid spraying ports (361) are distributed on the outer wall of the side cleaning ring (360) in an annular array, and the plurality of groups of second liquid spraying ports (361) are communicated with a second electric butterfly valve (333).

7. The assembled hand propelled road construction cleaning apparatus of claim 6, wherein: a group of side cleaning brushes (390) are arranged between two adjacent groups of second liquid spraying openings (361), a second material shoveling plate (391) is arranged on the base of each side cleaning brush (390), and the length of each second material shoveling plate (391) is smaller than that of each side cleaning brush (390); and the second shovel plate (391) is obliquely arranged.

8. The assembled hand propelled road construction cleaning apparatus of claim 1, wherein: the outer box body (210) is provided with a clamping frame (400), and the clamping frame (400) is movably provided with an extension cleaning module (500).

9. The assembled hand propelled road construction cleaning apparatus of claim 8, wherein: the extension cleaning module (500) comprises a second motor (510); the bottom of the second motor (510) is in transmission connection with a third rotating rod (520), a second cleaning unit (530) is arranged at the bottom of the third rotating rod (520), the structure of the second cleaning unit (530) is the same as that of the first cleaning unit (300), and the main body of the second cleaning unit (530) is movably clamped on the clamping frame (400); the top of the second motor (510) is provided with a damping hinge seat (540).

10. The assembled hand propelled road construction cleaning apparatus of claim 9, wherein: the damping hinge support (540) is hinged with a folding mechanism, the folding mechanism comprises a plurality of groups of extension rods (550), the extension rods (550) are connected end to end in sequence, a group of self-locking hinges (560) are hinged between every two adjacent groups of extension rods (550), and one end, far away from the damping hinge support, of the folding mechanism is hinged on the clamping frame (400).