Anti-blocking grating desilting assembly for municipal rainwater pipe network

Abstract

The utility model relates to the technical field of municipal pipe network maintenance, in particular to a municipal rainwater pipe network anti-blocking grating desilting assembly which comprises a movable plate capable of ascending and descending in an inner cavity of an anti-fouling cover. A plurality of bristles used for brushing the grating are fixed to the bottom of the rotary disc. A spray head for washing the grating is fixed at the bottom of the vertical pipe; when the multiple sets of rotating shafts operate synchronously, the driving rotating disc drives the bristles to form efficient rotating brushing action, and dirt and sediment attached to the top of the grille are broken in an all-around mode. Meanwhile, the high-pressure water pump converts a water source in the water tank into strong water flow, the strong water flow is directionally sprayed to the surface of the grating through the densely-distributed nozzles, and through the synergistic effect of water flow impact and mechanical friction of the bristles, deep cleaning of gaps and the surface of the grating is achieved. Compared with manual cleaning, the double cleaning scheme combining scrubbing and flushing has the advantages that the desilting efficiency and the cleaning quality are remarkably improved, the operation process is more convenient and labor-saving, and the labor cost and the labor intensity are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to municipal pipe network maintenance technical field, concretely is municipal rainwater pipe network anti -blockage grating dredging assembly. BACKGROUND

[0002] Municipal rainwater pipe network is an important component of urban drainage system, is the network system connected by a series of pipelines, ditches, inspection wells, rainwater inlet and other facilities. Its main function is to collect urban surface runoff, rainwater is rapidly discharged to the city river, lake or other receiving water body, avoid the urban waterlogging disaster, guarantee the normal operation of the city and the life safety of residents, also help to maintain the hydrological cycle and ecological balance of the city.

[0003] In the infrastructure system of municipal rainwater pipe network, drainage ditch is as the primary receiving channel of surface runoff, and bears the function of guiding rainwater to rapidly converge. The grating arranged at the top is like "the first line of defense", effectively intercepts leaves, plastic bags, garbage and other sundries, avoids its entering municipal rainwater pipe network. But in the long-term operation, sundries accumulation can affect the grating water efficiency, and needs regular dredging maintenance. At present, the dredging operation of drainage ditch grating is mainly manual, and the operating personnel mainly rely on simple tools such as iron hook and broom to carry out dredging work, which is limited by the function of tools and human operation. This cleaning method cannot completely remove stubborn stains and accumulated substances in the deep part of the grating, so that there are still many residues after cleaning. At the same time, the single dredging process of manual dredging is long, and the operating personnel need to maintain high-intensity working state for a long time, so the labor intensity is great. In the face of sudden heavy rain or increasing sundries, the efficiency of manual cleaning is far from meeting the timely dredging demand, therefore, how to improve the dredging effect and efficiency of the grating becomes a problem to be solved in the field of municipal pipe network maintenance. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the above-mentioned problems, the utility model provides municipal rainwater pipe network anti-blockage grating dredging assembly.

[0005] In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] Municipal rainwater pipe network anti-blockage grating dredging assembly, including base, both side walls are close to the front and rear ends and are rotatably installed with wheel body;

[0007] Water tank, set up at the top of base and used for storing water source;Water pump is installed on the front side of water tank, the water inlet of water pump is communicated with water tank, and the water outlet of water pump is provided with water hose;

[0008] Anti-fouling cover, fixed to the front end of base and used for preventing sewage splashing;The front end surface of anti-fouling cover is provided with a gap;

[0009] A lifting mechanism is installed on the inner top of the anti-pollution cover, and the lifting mechanism comprises a movable plate that can be lifted in the inner cavity of the anti-pollution cover;

[0010] A cleaning mechanism is arranged on the bottom of the movable plate, and the cleaning mechanism comprises a plurality of rotating shafts installed on the bottom of the movable plate, a worm wheel coaxially connected to the top end of the rotating shaft, a worm gear meshing with one side of the worm wheel, and adjacent two worm gears coaxially fixed through a transmission shaft; a detachable rotating disc is installed at the bottom end of the rotating shaft, and a plurality of bristles for brushing the grille are fixed on the bottom of the rotating disc; the cleaning mechanism further comprises a second motor for driving the worm gear to rotate;

[0011] A flushing mechanism is arranged on the bottom of the movable plate, and the flushing mechanism comprises two symmetrical horizontal pipes arranged on the front and rear sides of the rotating shaft, a plurality of vertical pipes fixed on the bottom of the horizontal pipe, and a plurality of nozzles for flushing the grille fixed on the bottom of the vertical pipe.

[0012] Further, a push handle is fixedly connected to the top rear end of the base through a bolt, and the cross-sectional shape of the push handle is U-shaped.

[0013] In this arrangement, the operator can hold and push the device along the drainage channel grille to clean.

[0014] Further, the water tank is fixedly connected to the base through a bolt, and a water inlet is installed on the top of the water tank, and a sealing cover is threadedly connected to the water inlet.

[0015] Further, an observation window is formed on the right end surface of the water tank, and the observation window is transparent.

[0016] In these two arrangements, the transparent observation window allows real-time viewing of the water level, and the water inlet facilitates water replenishment and has strong sealing performance.

[0017] Further, the water pump is fixedly connected to the base through a bolt, and the water pump is a high-pressure pump.

[0018] In this arrangement, the design can convert the water source in the water tank into a strong water flow.

[0019] Further, two reinforcing blocks are tightly welded at the connection between the anti-pollution cover and the base, and the cross-sectional shape of the reinforcing block is a right triangle.

[0020] In this arrangement, the design enhances the connection reliability between the anti-pollution cover and the base.

[0021] Further, the top of the movable plate is fixed with two second hinge bases at both sides, a first hinge base is arranged above each second hinge base, and a support plate is hingedly connected between the second hinge base and the first hinge base; a connecting seat is fixed between two adjacent first hinge bases, a double-head screw rod is arranged between the two connecting seats, and the two end screw grooves of the double-head screw rod are threadedly connected with the two connecting seats respectively; the tail end of the double-head screw rod is rotatably connected with the inner wall of the anti-fouling cover through a bearing; and the outer wall of the anti-fouling cover is provided with a first motor for driving the double-head screw rod to rotate.

[0022] In this arrangement, the design realizes stable and accurate lifting of the movable plate, thereby facilitating adjustment of the height of the cleaning mechanism and the flushing mechanism.

[0023] Further, the bottom end of the rotating shaft is provided with a fixing hole; the top of the rotating disc is coaxially and tightly welded with a connecting sleeve, the bottom end of the rotating shaft is inserted into the opening of the connecting sleeve in a matched mode, and the connecting sleeve is threadedly connected with a fixing bolt, and the fixing bolt penetrates through the fixing hole.

[0024] In this arrangement, the design realizes disassembly and assembly of the rotating disc, thereby facilitating replacement and maintenance work in the later stage.

[0025] Further, the right end of each horizontal pipe is provided with a water inlet, the tail end of the water inlet penetrates through the right end surface of the anti-fouling cover, the tail ends of the water inlets are fixed with a connecting pipe, and the tail end of the water supply hose is connected with the connecting pipe in communication.

[0026] In this arrangement, the design is beneficial to form omnibearing flushing coverage, improve flushing effect, and ensure clean grating without dead angle.

[0027] Compared with the prior art, the utility model has the advantages of:

[0028] By arranging the lifting mechanism, the cleaning mechanism and the flushing mechanism: when cleaning the grating, the user pushes the grating along the top of the drainage channel, at this time, the lifting mechanism drives the cleaning mechanism and the flushing mechanism to move downward and approach the grating, and the bristles contact the top of the grating; when a plurality of rotating shafts are synchronously operated, the rotating disc drives the bristles to form a high-efficiency rotary brushing action, and the grating top adhered dirt and deposits are broken in all directions. At the same time, the high-pressure water pump converts the water source in the water tank into strong water flow, which is directed sprayed to the grating surface through the dense spray head, and the water flow impact and the bristle mechanical friction cooperate to realize deep cleaning of the grating gap and surface. Compared with manual cleaning, the double cleaning scheme of brushing and flushing significantly improves the dredging efficiency and cleaning quality, and the operation process is more convenient and labor-saving, thereby reducing the labor cost and labor intensity. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a whole structure schematic view of the utility model;

[0030] Figure 2 The overall structure sectional view of the utility model;

[0031] Figure 3 The partial structure schematic view of the utility model;

[0032] Figure 4 The explosion structure schematic view of the lifting mechanism in the utility model;

[0033] Figure 5 The explosion structure schematic view of the cleaning mechanism in the utility model;

[0034] Figure 6 The structure schematic view of the flushing mechanism in the utility model;

[0035] In the drawing:

[0036] 1, base; 10, wheel body; 11, push handle;

[0037] 2, water tank; 20, water inlet; 21, observation window; 22, water pump; 23, water supply hose;

[0038] 3, anti-pollution cover; 30, through slot;

[0039] 4, lifting mechanism; 40, double-head screw; 42, connecting seat; 43, first motor; 44, first hinge seat; 45, support plate; 46, second hinge seat; 47, movable plate; 470, ear plate;

[0040] 5, cleaning mechanism; 50, shell; 51, second motor; 52, transmission shaft; 53, worm; 54, worm gear; 55, rotating shaft; 550, fixing hole; 56, rotating disc; 57, connecting sleeve; 58, fixing bolt; 59, brush;

[0041] 6, flushing mechanism; 60, horizontal pipe; 61, vertical pipe; 62, spray head; 63, connecting pipe; 64, water inlet. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0043] The embodiment provides a technical solution:

[0044] Please refer to Figures 1-2As shown, the municipal rainwater pipe network anti-blocking grid dredging assembly, including base 1, both sides wall near the front and rear ends are rotatably installed with wheel body 10; water tank 2, set up in base 1 top and used for storing water source, water tank 2 with base 1 through bolt fixed; water tank 2 front side is installed with water pump 22, water pump 22 water inlet and water tank 2 are communicated, water pump 22 drain is installed with water hose 23;

[0045] Through the above setting, the water tank 2 is convenient for storing water source, and the water pump 22 is convenient for conveying water source.

[0046] In this embodiment, the top rear end of the base 1 is connected by bolt fixing with the push handle 11, and the cross section shape of the push handle 11 is U-shaped. The U-shaped push handle 11 conforms to the ergonomic design, which is convenient for the operator to hold and push the equipment along the drainage channel grid, reduces the labor intensity, improves the operation convenience, and ensures the stable and efficient development of cleaning work.

[0047] Please refer to Figures 1-2 As shown, in this embodiment, the water tank 2 is fixedly connected with the base 1 by bolts, and the top of the water tank 2 is provided with a water inlet 20, and the water inlet 20 is threadedly connected with a sealing cover. This design is convenient for supplementing water source and has strong sealing performance. The right end surface of the water tank 2 is provided with an observation window 21, which is transparent. The transparent observation window 21 is convenient for real-time viewing of water level, ensuring sufficient water supply during cleaning operation, and avoiding interruption. The water pump 22 is fixedly connected with the base 1 by bolts, and the water pump 22 is a high-pressure pump. This design can convert the water source in the water tank 2 into strong water flow, which is delivered to the washing mechanism 6 through the water supply hose 23, and cooperates with the spray head 62 to realize high-pressure washing, effectively removing stubborn dirt on the grid.

[0048] Please refer to Figures 1-2 As shown, the anti-pollution cover 3 is fixed to the front end of the base 1 and is used for preventing sewage splashing; the front end surface of the anti-pollution cover 3 is provided with a notch;

[0049] Through the above setting, the anti-pollution cover 3 prevents sewage splashing during cleaning, which not only protects the safety of the operator, but also reduces the pollution of the surrounding environment and creates a good working environment.

[0050] In this embodiment, two reinforcing blocks are tightly welded at the connection between the anti-pollution cover 3 and the base 1, and the cross section shape of the reinforcing block is a right triangle. This design enhances the connection reliability between the anti-pollution cover 3 and the base 1.

[0051] Please refer to Figures 2-4As shown, the lifting mechanism 4 is mounted on the inner top of the anti-pollution cover 3; the lifting mechanism 4 comprises a movable plate 47 which can be lifted in the inner cavity of the anti-pollution cover 3; the top of the movable plate 47 is fixed with two second hinge bases 46 at both sides, the second hinge bases are fixedly connected with the movable plate 47 through bolts, the upper part of each second hinge base 46 is provided with a first hinge base 44, a support plate 45 is hingedly connected between the second hinge base 46 and the first hinge base 44, and the first hinge base 44 is fixedly connected with the connecting base 42 through bolts; the connecting base 42 is fixed between the two adjacent first hinge bases 44, a double-head screw rod 40 is arranged between the two connecting bases 42, and the two end threaded grooves of the double-head screw rod 40 are threadedly connected with the two connecting bases 42 respectively; the end of the double-head screw rod 40 is rotatably connected with the inner wall of the anti-pollution cover 3 through a bearing; and the outer wall of the anti-pollution cover 3 is provided with a first motor 43 for driving the double-head screw rod 40 to rotate.

[0052] Through the above arrangement, the first hinge base 44, the second hinge base 46, the support plate 45, the connecting base 42 and the double-head screw rod 40 at the top of the movable plate 47 form a lifting transmission structure, which is driven by the first motor 43 to realize stable and accurate lifting of the movable plate 47. This design facilitates the adjustment of the height of the cleaning mechanism 5 and the flushing mechanism 6, thereby facilitating better dredging of the grating.

[0053] In this embodiment, the bottom corners of the movable plate 47 are fixed with ear plates 470, the cross pipe 60 passes through the ear plates 470 and is fixedly connected with the ear plates 470 through bolts, and the ear plates 470 stably support the cross pipe 60.

[0054] Please refer to Figure 2 and Figure 5 As shown, the cleaning mechanism 5 is arranged at the bottom of the movable plate 47; the cleaning mechanism 5 comprises a plurality of rotating shafts 55 mounted at the bottom of the movable plate 47, a worm wheel 54 is coaxially keyed connected at the top end of each rotating shaft 55, a worm gear 53 is engaged on one side of the worm wheel 54, the two adjacent worm gears 53 are coaxially fixed through a transmission shaft 52, and the worm gear 53 is coaxially keyed connected with the transmission shaft 52; a detachable rotating disc 56 is mounted at the bottom end of the rotating shaft 55, and a plurality of bristles 59 for brushing the grating are fixed at the bottom of the rotating disc 56; the cleaning mechanism 5 further comprises a second motor 51 for driving the worm gear 53 to rotate;

[0055] Through the above arrangement, under the rotation of the plurality of rotating discs 56, the bristles 59 form a high-efficiency rotating brushing action to break down the dirt and deposits attached to the top of the grating in all directions.

[0056] Please refer to Figure 5As shown, in this embodiment, the bottom end of the rotating shaft 55 is provided with a fixing hole 550; the top of the rotating disc 56 is coaxially tightly welded with a connecting sleeve 57, the bottom end of the rotating shaft 55 is inserted into the opening of the connecting sleeve 57, the connecting sleeve 57 is threadedly connected with a fixing bolt 58, and the fixing bolt 58 penetrates through the fixing hole 550. This design realizes the detachable installation of the rotating disc 56 and the bristles 59, facilitates quick replacement after wear, reduces maintenance cost, and prolongs the service life of the equipment.

[0057] As shown in Figure 2 and Figure 6 As shown, the flushing mechanism 6 is arranged at the bottom of the movable plate 47; the flushing mechanism 6 includes two symmetrical horizontal pipes 60 arranged at the front and rear sides of the rotating shaft 55, the bottom of the horizontal pipe 60 is fixed with a plurality of vertical pipes 61, the horizontal pipe 60 and the vertical pipe 61 are fusion fixed, and the bottom of the vertical pipe 61 is fixed with a spray head 62 for flushing the grille. The right end of the horizontal pipe 60 is provided with a water inlet 64, the water inlet 64 is fusion fixed with the horizontal pipe 60, the tail end of the water inlet 64 penetrates through the right end surface of the anti-fouling cover 3, and the connection pipe 63 is fixed between the tail ends of the water inlets 64, and the tail end of the water supply hose 23 is connected with the connection pipe 63.

[0058] Through the above arrangement, the water inlets 64 at the right end of the horizontal pipe 60 are connected with the water supply hose 23 through the connection pipe 63, so that the high-pressure water flow is uniformly distributed to each vertical pipe 61 and spray head 62, forming omnidirectional flushing coverage, improving the flushing effect, and ensuring the cleanliness of the grille without dead angle.

[0059] As shown in Figure 1 As can be understood, the water inlets 64 penetrate through the vertical grooves 30 arranged at the anti-fouling cover 3, when the water inlets 64 are lifted, the design provides a guide channel for the lifting movement of the water inlets 64, effectively avoiding the deviation or jamming of the water inlets 64 during the lifting process, ensuring the stable operation of the flushing mechanism 6, so that the spray head 62 always maintains the accurate flushing angle and position, and ensures the cleaning effect.

[0060] As shown in Figure 5 It should be noted that the bottom end of the movable plate 47 is fixed with a hollow shell 50, the rotating shaft 55 penetrates through the shell 50 and is rotationally connected with the shell 50, the worm 53, the worm gear 54 and the transmission shaft 52 are all rotationally installed in the shell 50; at the same time, the second motor 51 is fixedly connected with the outer wall of the shell 50 through bolts; the shell 50 accommodates the core transmission components such as the rotating shaft 55, the worm 53, the worm gear 54 and the transmission shaft 52, forming a closed protection space, which can prevent sewage and impurities from invading and affecting the operation of the components, and can also reduce the transmission noise; at the same time, the second motor 51 is fixed with the outer wall of the shell 50, which optimizes the space layout of the equipment and improves the overall compactness and stability of the structure.

[0061] It is worth mentioning that the first motor 43 and the second motor 51 involved in the embodiment are existing conventional technologies, which are not described herein.

[0062] When cleaning the grid, the operator first holds the U-shaped handle 11 at the top rear end of the base 1, pushes the device along the top grid of the drainage channel, then aligns the gap in the front end face of the anti-pollution cover 3 with the grid, turns on the power supply of the first motor 43, and the first motor 43 starts to work. The first motor 43 drives the double-head screw rod 40 to rotate, and through the thread cooperation with the connecting seat 42, the connecting seat 42 on both sides moves synchronously relative to the inside, under the action of the supporting plate 45, the movable plate 47 stably descends in the inner cavity of the anti-pollution cover 3, and the movable plate 47 synchronously drives the cleaning mechanism 5 and the flushing mechanism 6 to move downwards until the bristles 59 of the cleaning mechanism 5 contact the top of the grid, and the operator stops the power supply of the first motor 43. Then the user turns on the power supply of the second motor 51, and the second motor 51 starts to work. The second motor 51 drives the worm 53 to rotate, and through the transmission shaft 52, a plurality of worms 53 synchronously rotate, the worm 53 meshes with the worm wheel 54 to drive the rotating shaft 55 to rotate, thereby driving the rotating disc 56 and the bristles 59 to rotate, and the top of the grid is brushed and washed. At the same time, the water pump 22 at the front side of the water tank 2 converts the water source in the water tank 2 into high-pressure water flow, which is delivered to the horizontal pipe 60 and the vertical pipe 61 through the water supply hose 23, the connecting pipe 63 and the water inlet 64, and finally sprayed to the grid by the spray head 62, so as to complete the cleaning work of the grid in cooperation with the mechanical brushing of the bristles 59.

[0063] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the utility model and do not limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A municipal stormwater pipe network anti-clogging grid dredging assembly, characterized in that: The utility model provides a kind of automatic cleaning and flushing device for street lamp, including Base (1), both side walls are close to the front and rear both ends and are rotatably installed with wheel body (10); Water tank (2) is set to the top of base (1) and is used to store water source;Water tank (2) front side is installed with water pump (22), and the water inlet of water pump (22) is communicated with water tank (2), and the water outlet of water pump (22) is installed with water supply hose (23); Anti-pollution cover (3) is fixed to the front end of base (1) and is used to prevent sewage splash;The front end surface of anti-pollution cover (3) is provided with a gap; Lifting mechanism (4) is installed to the inner top of anti-pollution cover (3);Lifting mechanism (4) includes movable plate (47) that can be lifted in the inner cavity of anti-pollution cover (3); Cleaning mechanism (5) is set to the bottom of movable plate (47);Cleaning mechanism (5) includes a plurality of rotating shafts (55) installed at the bottom of movable plate (47), and the top end of rotating shaft (55) is coaxially keyed with worm gear (54), and one side of worm gear (54) is engaged with worm (53), and adjacent two worm (53) are coaxially fixed by transmission shaft (52);The bottom end of rotating shaft (55) is installed with detachable rotating disc (56), and the bottom of rotating disc (56) is fixed with a plurality of bristles (59) for brushing the grille;Cleaning mechanism (5) further includes second motor (51) for driving worm (53) to rotate; Flushing mechanism (6) is set to the bottom of movable plate (47);Flushing mechanism (6) includes two symmetrical and set to the front and rear sides of rotating shaft (55) horizontal pipe (60), and the bottom of horizontal pipe (60) is fixed with a plurality of vertical pipes (61), and the bottom of vertical pipe (61) is fixed with a plurality of nozzles (62) for flushing the grille.

2. The municipal storm sewer network anti-blockage grate de-silting assembly of claim 1, wherein: The top rear end of the base (1) is fixedly connected with a push handle (11) by bolts, and the cross-sectional shape of the push handle (11) is U-shaped.

3. The municipal storm sewer network anti-blockage grate de-silting assembly of claim 1, wherein: The water tank (2) is fixedly connected with the base (1) by bolts, and the top of the water tank (2) is provided with a water inlet (20), and the water inlet (20) is threadedly connected with a sealing cover.

4. The municipal storm sewer network anti-blockage grate de-silting assembly of claim 1, wherein: The right end surface of the water tank (2) is provided with an observation window (21), and the observation window (21) is transparent.

5. The municipal storm sewer network anti-blockage grate de-silting assembly of claim 1, wherein: The water pump (22) is fixedly connected with the base (1) by bolts, and the water pump (22) is a high-pressure pump.

6. The municipal storm sewer grate un-clogging dredging assembly of claim 1, wherein: Two reinforcing blocks are tightly welded at the connection between the anti-pollution cover (3) and the base (1), and the cross-sectional shape of the reinforcing block is a right triangle.

7. The municipal storm sewer grate un-clogging dredging assembly of claim 1, wherein: The top of the movable plate (47) is fixed with two second hinge seats (46) at both sides, a first hinge seat (44) is arranged above each second hinge seat (46), and a support plate (45) is hingedly connected between each second hinge seat (46) and first hinge seat (44). A connecting seat (42) is fixed between adjacent two first hinge seats (44), a double-head screw rod (40) is arranged between the two connecting seats (42), and the two end screw grooves of the double-head screw rod (40) are threadedly connected with the two connecting seats (42). The end of the double-head screw rod (40) is rotatably connected with the inner wall of the anti-pollution cover (3) through a bearing. The outer wall of the anti-pollution cover (3) is provided with a first motor (43) for driving the double-head screw rod (40) to rotate.

8. The municipal storm sewer grate un-clogging dredging assembly of claim 1, wherein: The bottom end of the rotating shaft (55) is provided with a fixing hole (550); the top of the rotating disc (56) is coaxially tightly welded with a connecting sleeve (57), the bottom end of the rotating shaft (55) is in plug connection with the opening of the connecting sleeve (57), and the connecting sleeve (57) is threadedly connected with a fixing bolt (58), and the fixing bolt (58) penetrates through the fixing hole (550).

9. The municipal storm sewer grate un-clogging dredging assembly of claim 1, wherein: The right end of the transverse pipe (60) is provided with a water inlet (64), the tail end of the water inlet (64) penetrates through the right end surface of the anti-pollution cover (3), and the tail ends of the water inlets (64) are fixed with a connecting pipe (63), and the tail end of the water hose (23) is connected with the connecting pipe (63).

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