CN110374834B

CN110374834B - Water pump

Info

Publication number: CN110374834B
Application number: CN201910650641.4A
Authority: CN
Inventors: 不公告发明人
Original assignee: Zhejiang Kepeida Pump Co Ltd
Current assignee: Zhejiang kepeida Pump Co.,Ltd.
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2021-01-12
Anticipated expiration: 2039-07-18
Also published as: CN110374834A

Abstract

The invention relates to the field of liquid conveying devices, in particular to a water pump which comprises a bottom plate, a pump body structure, a take-up structure, a snapping prevention structure, an anti-blocking structure and a cleaning structure, wherein the pump body structure is arranged on the bottom plate; the water pump wire collecting device has the advantages that the water pump wire collecting structure is arranged on the top of the pump body structure, the water pump wire can be conveniently collected, the situation that the wire is scattered or damaged due to the fact that the water pump wire is not collected at a specific position can be avoided, the water pump wire is convenient to store, the hand pump is convenient to store, the water pump wire collecting structure can be driven to work through the wire collecting structure, the wire can be clamped and fixed when a human body trips the wire, the wire can be prevented from being directly broken, the situation that electric leakage is caused due to the fact that a wire connector is broken is avoided, the fixation of the wire is increased, and safety performance is improved.

Description

Water pump

Technical Field

The invention relates to the field of liquid conveying devices, in particular to a water pump.

Background

Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal. Liquids, gas mixtures, and liquids containing suspended solids may also be transported. The technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like; the pump can be divided into a volume water pump, a vane pump and the like according to different working principles. The displacement pump transfers energy by utilizing the change of the volume of a working chamber; vane pumps transfer energy by the interaction of rotating vanes with water and are available in the types of centrifugal pumps, axial flow pumps, mixed flow pumps, and the like.

Some water pumps are being used for the river course to pollute heavier, and debris are more, and the water pump electric wire is located the great road of flow of people on the time, and the inside debris in river course can often cause the jam of water pump, seriously influences the normal use of water pump, and because the water pump electric wire is laid on the road, can cause the crowd to mistake and trip, and when the strength is great, can cause the electric wire to break away from with the water pump, will cause the electric leakage danger.

Disclosure of Invention

The invention provides a water pump aiming at the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a water pump comprises a bottom plate, a pump body structure, a take-up structure, a breaking-preventing structure, an anti-blocking structure and a cleaning structure, wherein the top end of the bottom plate, which is used for fixedly supporting and mounting other parts, is connected with the pump body structure for pumping water; one end of the pump body structure, which is far away from the bottom plate, is connected with the wire collecting structure for containing the electric wire, and the anti-breaking structure for preventing the electric wire from being broken by tripping is connected inside the wire collecting structure; the lower end of the pump body structure is connected with the anti-blocking structure for preventing the pump body structure from being blocked, and the cleaning structure for cleaning flocculent garbage is connected to the outside of the anti-blocking structure.

Specifically, the pump body structure includes bracing piece, water jacket, fixed plate, outlet pipe, pump body and top cap, the bracing piece is equipped with two, two the bracing piece is the symmetric relation and is fixed in the top of bottom plate, two the bracing piece deviates from the one end fixedly connected with of bottom plate the fixed plate is close to the one end of bottom plate is fixed with the water jacket the fixed plate deviates from water jacket one end is fixed with the outlet pipe the fixed plate deviates from water jacket one end fixedly connected with the pump body deviates from the one end fixedly connected with of fixed plate the top cap.

Specifically, the winding structure comprises a winding sleeve, water filtering holes, a winding column, a torsion spring, a spongy cushion, a line fixing groove and a partition plate, the winding sleeve is fixed at one end of the top cover, which deviates from the pump body, the winding sleeve is fixed at the top end of the top cover, a plurality of water filtering holes are arranged at two ends of the winding sleeve, the winding sleeve is rotatably connected with the winding column, the line fixing groove which is in a U-shaped structure is arranged in the winding column, the partition plate which is in a ring shape is fixed outside the winding column, the spongy cushion is connected inside the winding sleeve, the torsion spring is connected outside the winding column, one end of the torsion spring is fixedly connected with the winding column, and the other end of the torsion spring is connected with the winding sleeve.

Specifically, the anti-snapping structure comprises a wire outlet pipe, a fixed sleeve, a sponge sleeve, a limiting groove, a pull rod, a gear, a clamping plate, a fixed spring, a rack and a sliding groove, wherein the wire outlet pipe is fixedly connected to the top end of the wire take-up sleeve, the top end of the wire take-up sleeve is fixed with the fixed sleeve, the sponge sleeve is glued inside the fixed sleeve, the gear is fixed outside the wire take-up column and is rotationally connected with the wire take-up sleeve, the rack is connected inside the wire take-up sleeve in a sliding manner, the gear is meshed with the rack, the wire take-up sleeve and the fixed sleeve are connected with the clamping plate in an inverted T-shaped structure in a sliding manner, the clamping plate is fixedly connected with the fixed spring between the wire take-up sleeve, the limiting groove in an L shape is arranged on the wire take-up sleeve, and the sliding groove in a waist-shaped structure is arranged on the rack, and the sliding groove and the limiting groove are connected with the pull rod in a sliding manner.

Specifically, prevent that block up the structure and include filter screen, scraper blade, sponge board, pivot and blade, the filter screen is fixed in the water jacket deviates from the one end of fixed plate the inside of filter screen is rotated and is connected with and is "well" font structure the pivot the outside of pivot is annular array and distributes and has a plurality ofly the blade the outside of pivot is vertical relation fixedly connected with and is "L" shape the scraper blade is close to the one end of filter screen is fixed with the sponge board.

Specifically, clearance structure includes connecting rod, montant, first interception pole and second interception pole, the connecting rod is the vertical relation and is fixed in the one end of scraper blade the connecting rod deviates from the one end of scraper blade is the vertical relation and fixes the montant the outside of montant is that the linearity is fixed with a plurality ofly first interception pole the outside of first interception pole is that the linearity distributes and is a plurality ofly second interception pole.

The invention has the beneficial effects that:

(1) according to the water pump, the wire collecting structure is arranged at the top end of the pump body structure, so that the water pump wire can be conveniently collected, the situation that the wire is scattered or damaged due to the fact that the water pump wire is not collected at a specific position is avoided, the water pump wire is convenient to store, the hand pump is convenient to store, the wire collecting structure can be driven to work through the wire collecting structure, the wire can be clamped and fixed through the work of the wire collecting structure when a human body trips the wire, the wire can be prevented from being directly broken, the situation that electric leakage is caused by the fact that a wire connector is broken is avoided, namely the increased wire fixing is achieved, and the safety performance is improved.

(2) According to the water pump, the torsion spring is fixed outside the wire collecting column for winding and containing the electric wire, the electric wire can be automatically wound and contained without using the electric wire through the elastic force of the torsion spring, after the position of the electric wire is determined, the pull rod only needs to slide into the vertical groove of the limiting groove, the rack is meshed with the gear, when a person mistakenly trips the electric wire, the wire collecting column is pulled to rotate, the wire collecting column can drive the rack to extrude the clamping plate in the rotating process, the clamping plate can clamp and fix the electric wire, the electric wire pulling force is only applied to one section which is clamped, the connection part of the electric wire and the water pump cannot be pulled, the phenomenon that the electric wire and the water pump fall off due to the fact that the person mistakenly trips the electric wire can be avoided, and the harm of electric leakage can be reduced.

(3) According to the water pump, the anti-blocking structure is arranged at the lower end of the pump body structure, so that sundries can be prevented from blocking the water pump, normal use of the water pump can be guaranteed, the cleaning structure can be driven to work while the anti-blocking structure works, flocculent sundries can be prevented from entering the anti-blocking structure through the work of the cleaning structure, and the anti-blocking structure can be reacted through the work of the cleaning structure, so that the working effect of the anti-blocking structure is better.

(4) According to the water pump, the rotating shaft in the shape of the Chinese character 'zhong' is rotatably connected inside the filter screen, the blades are annularly arranged outside the rotating shaft, when water flows pass through the filter screen, the rotating shaft can be driven by the blades to rotate, and the scraping plate in the shape of the 'L' can be driven to rotate outside the filter screen through the rotation of the rotating shaft, so that garbage outside the filter screen can be cleaned in time, the filter screen can be prevented from being blocked by sundries, flocculent garbage outside the filter screen can be cleaned through the first interception rod and the second interception rod which are fixed on the connecting rod, and the flocculent garbage can be prevented from entering the inside of the water pump and damaging the water pump.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of an overall structure of a preferred embodiment of a water pump according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of the portion B shown in FIG. 1;

FIG. 4 is a schematic view of a connection structure of the wire take-up post and the gear shown in FIG. 2;

FIG. 5 is a schematic view of the connection structure of the wire take-up sleeve and the anti-snapping structure shown in FIG. 1;

FIG. 6 is an enlarged view of the portion C shown in FIG. 5;

fig. 7 is a schematic structural diagram of the anti-clogging structure shown in fig. 1.

In the figure: 1. the anti-blocking device comprises a base plate, 2, a pump body structure, 21, a support rod, 22, a water jacket, 23, a fixing plate, 24, a water outlet pipe, 25, a pump body, 26, a top cover, 3, a wire collecting structure, 31, a wire collecting sleeve, 32, a water filtering hole, 33, a wire collecting column, 34, a torsion spring, 35, a sponge cushion, 36, a wire fixing groove, 37, a partition plate, 4, an anti-breaking structure, 41, a wire outlet pipe, 42, a fixing sleeve, 43, a sponge sleeve, 44, a limiting groove, 45, a pull rod, 46, a gear, 47, a clamping plate, 48, a fixing spring, 49, a rack, 49a sliding groove, 5, an anti-blocking structure, 51, a filter screen, 52, a scraper blade, 53, a sponge plate, 54, a rotating shaft, 55, a blade, 6, a cleaning structure, 61, a connecting rod, 62, a vertical rod, 63, a.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 7, the water pump of the present invention includes a bottom plate 1, a pump body structure 2, a wire winding structure 3, a snapping prevention structure 4, an anti-blocking structure 5 and a cleaning structure 6, wherein the top end of the bottom plate 1, which is used for fixing and supporting and installing other components, is connected with the pump body structure 2 for pumping water; one end of the pump body structure 2, which is far away from the bottom plate 1, is connected with the wire take-up structure 3 for accommodating an electric wire, and the anti-breaking structure 4 for preventing the electric wire from being broken by tripping is connected inside the wire take-up structure 3; the lower end of the pump body structure 2 is connected with the anti-blocking structure 5 for preventing the pump body structure 2 from being blocked, and the cleaning structure 6 for cleaning flocculent garbage is connected to the outside of the anti-blocking structure 5.

Specifically, the pump body structure 2 includes two support rods 21, two water jackets 22, a fixing plate 23, two water outlet pipes 24, a pump body 25 and a top cover 26, the two support rods 21 are fixed at the top end of the bottom plate 1 in a symmetrical relationship, the fixing plate 23 is fixedly connected to one end of the two support rods 21 away from the bottom plate 1, the water jacket 22 is fixed to one end of the fixing plate 23 close to the bottom plate 1, the water outlet pipe 24 is fixed to one end of the fixing plate 23 away from the water jacket 22, the pump body 25 is fixedly connected to one end of the fixing plate 23 away from the water jacket 22, the top cover 26 is fixedly connected to one end of the pump body 25 away from the fixing plate 23, when in use, the water outlet pipe 24 is first connected to an external water pipe, then the water pump is placed in a river channel, when an electric wire electrically connected to the water pump is connected to an external socket, when the water pump works, the water in the river channel can enter the water jacket 22 through the filter screen 51 and then be discharged from the water outlet pipe 24.

Specifically, the wire winding structure 3 includes a wire winding sleeve 31, water filtering holes 32, a wire winding post 33, a torsion spring 34, a sponge cushion 35, a wire winding groove 36 and a partition 37, the wire winding sleeve 31 is fixed at one end of the top cover 26 away from the pump body 25, the wire winding sleeve 31 is fixed at the top end of the top cover 26, a plurality of water filtering holes 32 are arranged at two ends of the wire winding sleeve 31, the wire winding post 33 is rotatably connected inside the wire winding sleeve 31, the wire winding post 33 is internally provided with the wire winding groove 36 in a U-shaped structure, the partition 37 connected with a circular ring shape is fixed outside the wire winding post 33, the sponge cushion 35 is connected inside the wire winding sleeve 31, the torsion spring 34 is connected outside the wire winding post 33, one end of the torsion spring 34 is fixedly connected with the wire winding post 33, and the other end of the torsion spring 34 is connected with the wire winding sleeve 31, the wire collecting sleeve 31 for collecting the electric wire is fixed at the top end of the top cover 26, a plurality of water filtering holes 32 are arranged at two ends of the wire collecting sleeve 31 and used for timely removing accumulated water in the wire collecting sleeve 31, the wire collecting column 33 is rotatably connected in the wire collecting sleeve 31 and can be used for winding and collecting the electric wire, the wire collecting column 33 is provided with the fixing wire groove 36 in a U-shaped structure, two ends of the electric wire can be fixed, the partition plate 37 fixed in the middle of the wire collecting column 33 can facilitate the paying-off and collecting of the double-end wire, the torsion spring 34 is fixed outside the wire collecting column 33 for winding and collecting the electric wire, and the electric wire can be automatically wound and collected when the electric wire is not used through the elastic force of the torsion spring 34.

Specifically, prevent structure 4 that breaks includes play spool 41, fixed cover 42, sponge cover 43, spacing groove 44, pull rod 45, gear 46, splint 47, retaining spring 48, rack 49 and spout 49a, curved play spool 41 fixed connection in receive the top of line cover 31, the top of receiving line cover 31 is fixed with fixed cover 42 the inside gluing of fixed cover 42 has sponge cover 43 the outside of receiving line post 33 is fixed with gear 46, just gear 46 with receive line cover 31 and rotate and connect the inside sliding connection of receiving line cover 31 has rack 49, just gear 46 with rack 49 meshes receive line cover 31 with the inside sliding connection of fixed cover 42 has be "T" shape structure splint 47 with receive between the line cover 31 fixed connection have retaining spring 48, the wire take-up sleeve 31 is provided with an L-shaped limiting groove 44, the rack 49 is provided with a waist-shaped sliding groove 49a, the sliding groove 49a and the limiting groove 44 are connected with the pull rod 45 in a sliding manner, after the position of the wire is determined, the pull rod 45 only needs to slide into a vertical groove of the limiting groove 44, at the moment, the rack 49 is meshed with the gear 46, when a person trips the wire by mistake, the wire take-up column 33 is pulled to rotate, the wire take-up column 33 can drive the rack 49 to extrude the clamp plate 47 in the rotating process, the clamp plate 47 can clamp and fix the wire, the wire pulling force at the moment is only at a section which is clamped, the pulling of the connection part of the wire and the water pump can not be caused, and therefore the falling of the wire and the water pump caused by the mistaken tripping of the person can be avoided, the damage of the leakage can be reduced.

Specifically, the anti-clogging structure 5 includes a filter screen 51, a scraper 52, a sponge plate 53, a rotating shaft 54 and blades 55, the filter screen 51 is fixed at one end of the water jacket 22 away from the fixing plate 23, the rotating shaft 54 is rotatably connected to the inside of the filter screen 51 and has a "middle" shape, a plurality of blades 55 are distributed on the outside of the rotating shaft 54 in an annular array, the scraper 52 is fixedly connected to the outside of the rotating shaft 54 in a vertical relationship, the sponge plate 53 is fixed at one end of the scraper 52 close to the filter screen 51, after water flow is sucked into the inside of the filter screen 51, the rotating shaft 54 is rotatably connected to the inside of the filter screen 51 and has a "middle" shape structure, and when water flow passes through the inside of the filter screen 51, the blade 55 can drive the rotating shaft 54 to rotate, and the rotating shaft 54 can drive the scraping plate 52 in an L-shaped structure to rotate outside the filter screen 51, so that garbage outside the filter screen 51 can be cleaned in time, and the filter screen 51 can be prevented from being blocked by sundries.

Specifically, clearance structure 6 includes connecting rod 61, montant 62, first interception pole 63 and second interception pole 64, connecting rod 61 is the vertical relation and is fixed in the one end of scraper blade 52 connecting rod 61 deviates from the one end of scraper blade 52 is the vertical relation and fixes montant 62 the outside of montant 62 is that the linearity is fixed with a plurality ofly first interception pole 63 the outside of first interception pole 63 is the linear distribution and has a plurality ofly second interception pole 64, through fixing on connecting rod 61 first interception pole 63 with second interception pole 64 can with the outside cotton-shaped rubbish of filter screen 51 is cleared up, avoids cotton-shaped rubbish to get into the inside of water pump, causes the damage of water pump.

When the water jacket is used, the water outlet pipe 24 is connected with an external water pipe, then the water pump is placed in the river channel, when an electric wire electrically connected with the water pump is connected with an external socket, the water pump works, so that water in the river channel can enter the water jacket 22 through the filter screen 51 and then is discharged from the water outlet pipe 24; a wire take-up sleeve 31 for accommodating an electric wire is fixed at the top end of the top cover 26, a plurality of water filtering holes 32 are arranged at two ends of the wire take-up sleeve 31 and used for timely removing accumulated water in the wire take-up sleeve 31, a wire take-up column 33 is rotatably connected in the wire take-up sleeve 31 and can be used for winding and accommodating the electric wire, a wire routing groove 36 in a U-shaped structure is formed in the wire take-up column 33, the electric wire can be fixed at two ends, the two ends of the electric wire can be conveniently discharged and accommodated through a partition plate 37 fixed in the middle of the wire take-up column 33, the torsion spring 34 is fixed outside the wire take-up column 33 for winding and accommodating the electric wire, and the electric wire can be automatically wound and accommodated when the electric wire is not used under the action of the elastic force of the torsion; after the position of the electric wire is determined, the pull rod 45 only needs to slide into the vertical groove of the limiting groove 44, the rack 49 is meshed with the gear 46, when a person trips the electric wire by mistake, the wire take-up column 33 can be pulled to rotate, the rack 49 can be driven to extrude the clamping plate 47 when the wire take-up column 33 rotates, the clamping plate 47 can clamp and fix the electric wire, the electric wire pulling force is only at the clamped section, the connection part of the electric wire and the water pump cannot be pulled, the phenomenon that the electric wire and the water pump fall off due to the fact that the person trips the electric wire by mistake can be avoided, and the harm of electric leakage can be reduced; when water flow is sucked into the filter screen 51, the rotating shaft 54 in a middle-shaped structure is rotatably connected to the inside of the filter screen 51, the blades 55 are annularly arranged outside the rotating shaft 54, when water flow passes through the inside of the filter screen 51, the rotating shaft 54 can be driven to rotate through the blades 55, and the scraping plate 52 in an L-shaped structure can be driven to rotate outside the filter screen 51 through the rotation of the rotating shaft 54, so that garbage outside the filter screen 51 can be timely cleaned, and the filter screen 51 can be prevented from being blocked by sundries; the connecting rod 61 is fixed at one end of the scraper 52 in a vertical relation, the vertical rod 62 is fixed at one end of the connecting rod 61, which is far away from the scraper 52, in a vertical relation, a plurality of first intercepting rods 63 are linearly fixed outside the vertical rod 62, a plurality of second intercepting rods 64 are linearly distributed outside the first intercepting rods 63, and the flocculent garbage outside the filter screen 51 can be cleaned through the first intercepting rods 63 and the second intercepting rods 64 fixed on the connecting rod 61, so that the flocculent garbage is prevented from entering the inside of the water pump and being damaged by the water pump.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A water pump, characterized by: the water pump comprises a bottom plate (1), a pump body structure (2), a take-up structure (3), a breaking-preventing structure (4), an anti-blocking structure (5) and a cleaning structure (6), wherein the top end of the bottom plate (1) which is used for fixedly supporting and installing other parts is connected with the pump body structure (2) for pumping water; one end, away from the bottom plate (1), of the pump body structure (2) is connected with a wire winding structure (3) used for containing an electric wire, and the anti-breaking structure (4) used for preventing the electric wire from being broken by tripping is connected inside the wire winding structure (3); the lower end of the pump body structure (2) is connected with the anti-blocking structure (5) for preventing the pump body structure (2) from being blocked, and the cleaning structure (6) for cleaning flocculent garbage is connected to the outside of the anti-blocking structure (5);

the pump body structure (2) comprises a support rod (21), a water jacket (22), a fixing plate (23), a water outlet pipe (24), a pump body (25) and a top cover (26), two support rods (21) are arranged, the two support rods (21) are fixed at the top end of the bottom plate (1) in a symmetrical relationship, one end of each of the two support rods (21) departing from the bottom plate (1) is fixedly connected with the fixing plate (23), the water jacket (22) is fixed at one end of the fixing plate (23) close to the bottom plate (1), one end of the fixing plate (23) departing from the water jacket (22) is fixed with the water outlet pipe (24), one end of the fixing plate (23) departing from the water jacket (22) is fixedly connected with the pump body (25), the top cover (26) is fixedly connected to one end, away from the fixing plate (23), of the pump body (25);

the take-up structure (3) comprises a take-up sleeve (31), water filtering holes (32), a take-up column (33), a torsion spring (34), a sponge cushion (35), a take-up groove (36) and a partition plate (37), the take-up sleeve (31) is fixed at one end of the top cover (26) deviating from the pump body (25), the take-up sleeve (31) is fixed at the top end of the top cover (26), a plurality of water filtering holes (32) are arranged at two ends of the take-up sleeve (31), the take-up column (33) is rotatably connected inside the take-up sleeve (31), the wire fixing groove (36) in a U-shaped structure is arranged inside the take-up column (33), the partition plate (37) in a circular shape is fixed outside the take-up column (33), the sponge cushion (35) is connected inside the take-up sleeve (31), the torsion spring (34) is connected outside the take-up column (33), one end of the torsion spring (34) is fixedly connected with the wire take-up column (33), and the other end of the torsion spring (34) is connected with the wire take-up sleeve (31);

prevent breaking structure (4) including play spool (41), fixed cover (42), sponge cover (43), spacing groove (44), pull rod (45), gear (46), splint (47), retaining spring (48), rack (49) and spout (49 a), curved play spool (41) fixed connection in the top of receipts line cover (31), the top of receipts line cover (31) is fixed with fixed cover (42) the inside cementing of fixed cover (42) has sponge cover (43) the outside of receipts line post (33) is fixed with gear (46), just gear (46) with receive line cover (31) and rotate to be connected the inside sliding connection of receipts line cover (31) has rack (49), just gear (46) with rack (49) meshing receive line cover (31) with the inside sliding connection of fixed cover (42) has splint (47) that are "T" shape structure, the fixing spring (48) is fixedly connected between the clamping plate (47) and the wire winding sleeve (31), the wire winding sleeve (31) is provided with an L-shaped limiting groove (44), the rack (49) is provided with a waist-shaped sliding groove (49 a), and the sliding groove (49 a) and the limiting groove (44) are connected with the pull rod (45) in a sliding manner;

the anti-blocking structure (5) comprises a filter screen (51), a scraper blade (52), a sponge plate (53), a rotating shaft (54) and blades (55), the filter screen (51) is fixed at one end of the water jacket (22) deviating from the fixing plate (23), the rotating shaft (54) in a middle-shaped structure is rotatably connected inside the filter screen (51), a plurality of blades (55) are distributed outside the rotating shaft (54) in an annular array, the scraper blade (52) in an L shape is fixedly connected outside the rotating shaft (54) in a vertical relation, and the sponge plate (53) is fixed at one end of the scraper blade (52) close to the filter screen (51);

clearance structure (6) are including connecting rod (61), montant (62), first interception pole (63) and second interception pole (64), connecting rod (61) are the vertical relation and are fixed in the one end of scraper blade (52) connecting rod (61) deviate from the one end of scraper blade (52) is the vertical relation and fixes montant (62) the outside of montant (62) is the linear fixation and has a plurality ofly first interception pole (63) the outside of first interception pole (63) is the linear distribution and has a plurality ofly second interception pole (64).