CN108355995B

CN108355995B - Pier stud surface sundry scraping equipment for bridge construction

Info

Publication number: CN108355995B
Application number: CN201810145222.0A
Authority: CN
Inventors: 郭涛; 黎昭; 黄楚倩
Original assignee: Individual
Current assignee: Wuhan Highway And Bridge Construction Group Co ltd
Priority date: 2018-02-12
Filing date: 2018-02-12
Publication date: 2021-06-22
Anticipated expiration: 2038-02-12
Also published as: CN108355995A

Abstract

The invention relates to scraping equipment, in particular to equipment for scraping sundries on the surface of a pier column for bridge construction. The invention aims to provide equipment for scraping impurities on the surface of a pier column for bridge construction, which has high scraping efficiency and can scrape impurities cleanly. In order to solve the technical problem, the invention provides equipment for scraping sundries on the surface of a pier stud for bridge construction, which comprises a box body and the like; the middle of the top of the box body is provided with a handle, the right side of the bottom of the box body is provided with an opening, the bottom of the box body is provided with a buffer device, and the middle of the bottom in the box body is provided with a scraping device. According to the invention, the scraping plate is contacted with the surface of the pier stud through the buffer device, the scraping device scrapes sundries on the surface of the pier stud, and the blowing device blows off the sundries, so that the scraping efficiency is improved, and the effects of high scraping efficiency and clean scraping are achieved.

Description

Pier stud surface sundry scraping equipment for bridge construction

Technical Field

The invention relates to scraping equipment, in particular to equipment for scraping sundries on the surface of a pier column for bridge construction.

Background

The bridge construction is a process of building a bridge according to design contents; mainly refers to the contents of bridge construction technology, construction organization, construction management, construction quality and the like.

Pier stud, the lower bearing weight that is used for bearing superstructure in civil engineering. The cross section of the pier column is circular, and the pier column also has anisotropic pier columns such as ellipse, square, curve and parabola. The method is an important component in the projects of bridges such as highway bridges, railway bridges, sidewalks, overpasses, ramp bridges, overpasses and the like.

During bridge construction, because the bridge is generally in crossing river department, service conditions are harsh, consequently, take application anticorrosive treatment to parts such as pier stud, thereby extension bridge life, and when spraying coating, need strike off the debris on pier stud surface, make absorption that coating can be better on pier stud surface, use the scraper knife to strike off the debris on pier stud surface by the manual work at present, the manual work strikes off inefficiency, strike off unclean, consequently need urgently to develop one and strike off efficiently, strike off clean pier stud surface debris scraping equipment for bridge construction.

Disclosure of Invention

(1) Technical problem to be solved

The invention aims to overcome the defects of low manual scraping efficiency and unclean scraping, and the technical problem to be solved is to provide the pier stud surface sundry scraping equipment for bridge construction, which has high scraping efficiency and can scrape impurities cleanly.

(2) Technical scheme

In order to solve the technical problem, the invention provides equipment for scraping sundries on the surface of a pier stud for bridge construction, which comprises a box body, a handle, a buffering device and a scraping device, wherein the handle is arranged in the middle of the top of the box body, an opening is formed in the right side of the bottom of the box body, the buffering device is arranged at the bottom of the box body, and the scraping device is arranged in the middle of the bottom in the box body.

Preferably, the buffering device comprises a sleeve, slide bars, first stop blocks, first springs and wheels, the four corners of the bottom of the box body are connected with the sleeve, the slide bars are arranged in the sleeve in a sliding mode and matched with the sleeve, the lower portions of the four slide bars are connected with the first stop blocks, the first springs are sleeved on the outer sides of the slide bars between the first stop blocks and the sleeve, one end of each first spring is connected with the sleeve, the other end of each first spring is connected with the corresponding first stop block, and the wheels are mounted at the bottoms of the four slide bars.

Preferably, the scraping device is including electronic cam, first slide rail, first slider, the second dog, the second spring, the mounting panel, L type pole, first gyro wheel and scraper blade, rear side mid-mounting has electronic cam in the box, install first slide rail in the middle of the bottom of box, be equipped with first slider on the first slide rail, first slider and the cooperation of first slide rail slidingtype, both ends all are connected with the second dog about first slide rail, be connected with the second spring between first slider and the right second dog, the top of first slider is connected with the mounting panel, the top left side of mounting panel is connected with L type pole, first gyro wheel is installed to the right-hand member of L type pole, first gyro wheel and electronic cam contact, the right side of mounting panel is connected with the scraper blade, the scraper blade passes the opening.

Preferably, still including blast apparatus, blast apparatus is including the cylinder body, the piston, the push rod, the second gyro wheel, the third spring, check valve and outlet duct, right side mid-mounting has the cylinder body in the box, be equipped with the piston in the cylinder body, piston and cylinder body cooperation, the left side mid-connection of piston has the push rod, the push rod slidingtype runs through cylinder body left side middle part, the second gyro wheel is installed to the left end of push rod, second gyro wheel and electric cam contact, be connected with the third spring between the left side of piston and the left side in the cylinder body, the right side of cylinder body top and bottom all is connected with the check valve, check valve and cylinder body intercommunication, bottom check valve sealing connection has the outlet duct, the outlet duct runs through.

Preferably, the electric toothbrush further comprises a connecting rod, a fourth spring and a brush, the connecting rod is connected in the middle of the bottom of the box body, the fourth spring is connected to the bottom of the connecting rod, and the brush is connected to the bottom end of the fourth spring.

Preferably, the box body further comprises a second slide rail, a second slide block, a screw rod and a baffle, the second slide rail is mounted in the middle of the right side of the box body, the second slide rail is provided with the second slide block, the second slide block is in sliding fit with the second slide rail, the screw rod is arranged in the middle of the front side of the second slide block, and the right side of the second slide block is connected with the baffle.

The working principle is as follows: when the scraping device is used, an operator takes up and moves the scraping device through the handle to enable the buffer device to be in contact with the surface of the bridge pier stud, the scraping device is started to operate, the operator presses the box body through the handle at the moment, the scraping device is enabled to be in contact with the surface of the bridge pier stud under the action of the buffer device, and accordingly sundries on the surface of the bridge pier stud are scraped off.

Because buffer is including the sleeve, the slide bar, first dog, first spring and wheel, the bottom four corners department of box all is connected with the sleeve, the slidingtype is equipped with the slide bar in the sleeve, slide bar and sleeve cooperation, the lower part of four slide bars all is connected with first dog, the slide bar outside cover that is located between first dog and the sleeve has first spring, the one end muffjoint of first spring, the other end is connected with first dog, the wheel is all installed to the bottom of four slide bars. Therefore, an operator moves the scraping device through the handle to enable the wheels to be in contact with the surface of the pier column, after the scraping device is started, the box body is pressed through the handle to drive the sleeve to move downwards, the first spring is compressed, the scraping component of the scraping device is further in contact with the surface of the pier column, then the scraping device is moved slowly along the surface of the pier column, the wheels roll on the surface of the pier column, sundries on the surface of the pier column can be scraped, after the scraping is completed, the pressing of the handle is stopped, the box body drives the scraping device to move upwards under the action of the first spring, the scraping component of the scraping device is separated from the surface of the pier column, and then the scraping device is closed.

Because the scraping device is including electronic cam, first slide rail, first slider, the second dog, the second spring, the mounting panel, L type pole, first gyro wheel and scraper blade, rear side mid-mounting has electronic cam in the box, install first slide rail in the middle of the bottom of box, be equipped with first slider on the first slide rail, first slider and first slide rail slidingtype cooperation, both ends all are connected with the second dog about first slide rail, be connected with the second spring between first slider and the right second dog, the top of first slider is connected with the mounting panel, the top left side of mounting panel is connected with L type pole, first gyro wheel is installed to the right-hand member of L type pole, first gyro wheel and electronic cam contact, the right side of mounting panel is connected with the scraper blade, the scraper blade passes the opening. Therefore, operating personnel presses the box through the handle, make scraper blade bottom and pier stud surface contact, start electric cam anticlockwise rotation, when electric cam's lug changes to first gyro wheel, first gyro wheel passes through L type pole and drives the mounting panel and remove left, thereby drive first slider and scraper blade and remove left, the second spring is stretched, when electric cam's lug changes from first gyro wheel, under the effect of second spring, first slider passes through the mounting panel and drives the quick right branch of scraper blade, the debris on scraper blade scratch pier stud surface, so relapse, the debris on scraper blade can be with pier stud surface are scraped comprehensively, after the completion, close electric cam can.

Because still including blast apparatus, blast apparatus is including the cylinder body, the piston, the push rod, the second gyro wheel, the third spring, check valve and outlet duct, right side mid-mounting has the cylinder body in the box, be equipped with the piston in the cylinder body, piston and cylinder body cooperation, the left side mid-connection of piston has the push rod, the push rod slidingtype runs through cylinder body left side middle part, the second gyro wheel is installed to the left end of push rod, second gyro wheel and electric cam contact, be connected with the third spring between the left side of piston and the left side in the cylinder body, the right side of cylinder body top and bottom all is connected with the check valve, check valve and cylinder body intercommunication, bottom check valve sealing connection has the outlet duct, the outlet duct runs. Therefore, when the lug of electric cam rotated to the second gyro wheel, the second gyro wheel drove the piston through the push rod and moved right, and the third spring is stretched, when the lug of electric cam rotated away from the second gyro wheel, under the effect of third spring, the piston drove push rod and second gyro wheel and moved left, so relapse, and the piston removes about, under the effect of check valve, the air got into the cylinder body from the top check valve to blow out through the outlet duct from the below check valve, thereby blow to the scraping department that the scraper blade was drawn to pier stud surface, and then blow away debris, thereby further improve and strike off efficiency.

Because still including connecting rod, fourth spring and brush, the bottom intermediate junction of box has the connecting rod, and the bottom of connecting rod is connected with the fourth spring, and the bottom of fourth spring is connected with the brush. Therefore, when an operator presses the box body through the handle, the brush is in close contact with the surface of the pier stud under the action of the fourth spring, and when the scraper is moved along the surface of the pier stud, the brush sweeps sundries on the surface of the pier stud, so that the scraping efficiency is further improved.

Because still including second slide rail, second slider, screw rod and baffle, the right side mid-mounting of box has the second slide rail, is equipped with the second slider on the second slide rail, and second slider and second slide rail slidingtype cooperation are equipped with the screw rod in the front side middle part of second slider, and the right side of second slider is connected with the baffle. Therefore, when sundries need to be scraped off the surface of the pier stud, the screw rod is unscrewed, the baffle is pulled downwards, when the baffle is moved to a proper position, the screw rod is screwed down, the sundries can be blocked, accidents except flying of the sundries can be prevented, after the sundries are scraped, the screw rod is unscrewed, the baffle is pulled upwards, and then the screw rod is screwed down.

(3) Advantageous effects

According to the invention, the scraping plate is contacted with the surface of the pier stud through the buffer device, the scraping device scrapes sundries on the surface of the pier stud, and the blowing device blows off the sundries, so that the scraping efficiency is improved, and the effects of high scraping efficiency and clean scraping are achieved.

Drawings

Fig. 1 is a schematic cross-sectional view of a first front view of the present invention.

Fig. 2 is a cross-sectional schematic view of a second front view of the present invention.

Fig. 3 is a schematic cross-sectional view of a third front view of the present invention.

The labels in the figures are: 1-box, 2-handle, 3-opening, 4-buffer, 41-sleeve, 42-slide bar, 43-first block, 44-first spring, 45-wheel, 5-scraper, 51-electric cam, 52-first slide rail, 53-first slide block, 54-second block, 55-second spring, 56-mounting plate, 57-L-shaped bar, 58-first roller, 59-scraper, 6-blower, 61-cylinder, 62-piston, 63-push rod, 64-second roller, 65-third spring, 66-one-way valve, 67-air outlet pipe, 7-connecting rod, 8-fourth spring, 9-brush, 10-second slide rail, 11-second slide block, 12-screw, 13-baffle.

Detailed Description

The invention is further described below with reference to the figures and examples.

Example 1

A device for scraping sundries on the surface of a pier stud for bridge construction is shown in figures 1-3 and comprises a box body 1, a handle 2, a buffering device 4 and a scraping device 5, wherein the handle 2 is installed in the middle of the top of the box body 1, an opening 3 is formed in the right side of the bottom of the box body 1, the buffering device 4 is arranged at the bottom of the box body 1, and the scraping device 5 is arranged in the middle of the bottom in the box body 1.

Example 2

Buffer 4 is including sleeve 41, slide bar 42, first dog 43, first spring 44 and wheel 45, the bottom four corners department of box 1 all is connected with sleeve 41, the slidingtype slide bar 42 that is equipped with in sleeve 41, slide bar 42 and sleeve 41 cooperation, the lower part of four slide bars 42 all is connected with first dog 43, the slide bar 42 outside cover that is located between first dog 43 and the sleeve 41 has first spring 44, the one end sleeve 41 of first spring 44 connects, the other end is connected with first dog 43, wheel 45 is all installed to the bottom of four slide bars 42.

Example 3

The scraping device 5 comprises an electric cam 51, a first slide rail 52, a first slide block 53, a second stop block 54, a second spring 55, an installation plate 56, an L-shaped rod 57, a first roller 58 and a scraping plate 59, the electric cam 51 is installed in the middle of the inner rear side of the box body 1, the first slide rail 52 is installed in the middle of the bottom of the box body 1, the first slide rail 52 is provided with the first slide block 53, the first slide block 53 is in sliding fit with the first slide rail 52, the left end and the right end of the first slide rail 52 are both connected with the second stop block 54, the second spring 55 is connected between the first slide block 53 and the right second stop block 54, the top of the first slide block 53 is connected with the installation plate 56, the left side of the top of the installation plate 56 is connected with the L-shaped rod 57, the right end of the L-shaped rod 57 is provided with the first roller 58, the first roller 58 is in contact with.

Example 4

Still including blast apparatus 6, blast apparatus 6 is including cylinder body 61, piston 62, push rod 63, second gyro wheel 64, third spring 65, check valve 66 and outlet duct 67, right side mid-mounting has cylinder body 61 in the box 1, be equipped with piston 62 in the cylinder body 61, piston 62 and cylinder body 61 cooperation, the left side mid connection of piston 62 has push rod 63, push rod 63 slidingtype runs through cylinder body 61 left side mid portion, second gyro wheel 64 is installed to the left end of push rod 63, second gyro wheel 64 and the contact of electronic cam 51, be connected with third spring 65 between the left side of piston 62 and the left side in the cylinder body 61, the right side of cylinder body 61 top and bottom all is connected with check valve 66, check valve 66 and cylinder body 61 intercommunication, bottom check valve 66 sealing connection has outlet duct 67, outlet duct 67 runs through box 1 bottom right side, outlet duct 67 is located scraper 59 right side.

The novel electric kettle is characterized by further comprising a connecting rod 7, a fourth spring 8 and a brush 9, wherein the connecting rod 7 is connected in the middle of the bottom of the box body 1, the fourth spring 8 is connected to the bottom of the connecting rod 7, and the brush 9 is connected to the bottom end of the fourth spring 8.

The box body is characterized by further comprising a second slide rail 10, a second slide block 11, a screw rod 12 and a baffle 13, the second slide rail 10 is installed in the middle of the right side of the box body 1, the second slide block 11 is arranged on the second slide rail 10, the second slide block 11 is in sliding fit with the second slide rail 10, the screw rod 12 is arranged in the middle of the front side of the second slide block 11, and the baffle 13 is connected to the right side of the second slide block 11.

The working principle is as follows: when the scraping device is used, an operator takes up and moves the scraping device through the handle 2 to enable the buffer device 4 to be in contact with the surface of a bridge pier column, the scraping device 5 is started to operate, at the moment, the operator presses the box body 1 through the handle 2, the scraping device 5 is enabled to be in contact with the surface of the bridge pier column under the action of the buffer device 4, and accordingly sundries on the surface of the bridge pier column are scraped off, so that the operator can slowly move the scraping device along the surface of the bridge pier column to comprehensively scrape the sundries on the surface of the bridge pier column, and after the scraping device 5 is closed.

Because the buffering device 4 comprises a sleeve 41, a sliding rod 42, a first stop block 43, a first spring 44 and wheels 45, the four corners of the bottom of the box body 1 are all connected with the sleeve 41, the sliding rod 42 is arranged in the sleeve 41 in a sliding manner, the sliding rod 42 is matched with the sleeve 41, the lower parts of the four sliding rods 42 are all connected with the first stop block 43, the first spring 44 is sleeved on the outer side of the sliding rod 42 between the first stop block 43 and the sleeve 41, one end of the first spring 44 is connected with the sleeve 41, the other end of the first spring is connected with the first stop block 43, and the wheels 45 are installed at the bottoms of the four. Therefore, an operator moves the present invention through the handle 2 to make the wheels 45 contact with the surface of the pier stud, after the scraping device 5 is started, the handle 2 presses the box body 1 to drive the sleeve 41 to move downwards, the first spring 44 is compressed, and then the scraping component of the scraping device 5 contacts with the surface of the pier stud, and then the present invention is moved slowly along the surface of the pier stud, so that the wheels 45 roll on the surface of the pier stud, thus the sundries on the surface of the pier stud can be scraped off, after the completion, the handle 2 is stopped being pressed, under the action of the first spring 44, the box body 1 drives the scraping device 5 to move upwards, so that the scraping component of the scraping device 5 is separated from the surface of the pier stud, and then the scraping device 5 is closed.

Because the scraping device 5 comprises an electric cam 51, a first slide rail 52, a first slide block 53, a second stop block 54, a second spring 55, an installation plate 56, an L-shaped rod 57, a first roller 58 and a scraping plate 59, the electric cam 51 is installed at the middle part of the inner rear side of the box body 1, the first slide rail 52 is installed in the middle of the bottom of the box body 1, the first slide rail 52 is provided with the first slide block 53, the first slide block 53 is in sliding fit with the first slide rail 52, the left end and the right end of the first slide rail 52 are both connected with the second stop block 54, the second spring 55 is connected between the first slide block 53 and the right second stop block 54, the top of the first slide block 53 is connected with the installation plate 56, the left side of the top of the installation plate 56 is connected with the L-shaped rod 57, the right end of the L-shaped rod 57 is provided with the first roller 58, the first roller 58 is in contact. Therefore, an operator presses the box body 1 through the handle 2, so that the bottom of the scraper 59 is in contact with the surface of the pier column, the electric cam 51 is started to rotate anticlockwise, when the convex block of the electric cam 51 rotates to the first roller 58, the first roller 58 drives the mounting plate 56 to move leftwards through the L-shaped rod 57, so that the first slider 53 and the scraper 59 are driven to move leftwards, the second spring 55 is stretched, when the convex block of the electric cam 51 rotates away from the first roller 58, the first slider 53 drives the scraper 59 to move rightwards quickly through the mounting plate 56 under the action of the second spring 55, the scraper 59 scrapes sundries on the surface of the pier column, and after the scraping is repeated, the scraper 59 can completely scrape the sundries on the surface of the pier column, and after the scraping is completed, the electric cam 51 is closed.

Because still including blast apparatus 6, blast apparatus 6 is including cylinder body 61, piston 62, push rod 63, second gyro wheel 64, third spring 65, check valve 66 and outlet duct 67, right side mid-mounting has cylinder body 61 in the box 1, be equipped with piston 62 in the cylinder body 61, piston 62 and cylinder body 61 cooperation, the left side mid connection of piston 62 has push rod 63, push rod 63 slidingtype runs through cylinder body 61 left side mid portion, second gyro wheel 64 is installed to the left end of push rod 63, second gyro wheel 64 contacts with electronic cam 51, be connected with third spring 65 between the left side of piston 62 and the left side in the cylinder body 61, the right side of cylinder body 61 top and bottom all is connected with check valve 66, check valve 66 and cylinder body 61 intercommunication, bottom check valve 66 sealing connection has outlet duct 67, outlet duct 67 runs through box 1 bottom right side, outlet duct 67 is located scraper 59 right side. Therefore, when the projection of the electric cam 51 rotates to the second roller 64, the second roller 64 drives the piston 62 to move rightwards through the push rod 63, the third spring 65 is stretched, when the projection of the electric cam 51 rotates away from the second roller 64, the piston 62 drives the push rod 63 and the second roller 64 to move leftwards under the action of the third spring 65, so that the piston 62 moves leftwards and rightwards repeatedly, air enters the cylinder body 61 from the upper one-way valve 66 under the action of the one-way valve 66 and is blown out from the lower one-way valve 66 through the air outlet pipe 67, and then the air is blown to the scraping part of the pier column surface by the scraping plate 59, and then impurities are blown off, so that the scraping efficiency is further improved.

Because still including connecting rod 7, fourth spring 8 and brush 9, the bottom intermediate junction of box 1 has connecting rod 7, and the bottom of connecting rod 7 is connected with fourth spring 8, and the bottom of fourth spring 8 is connected with brush 9. Therefore, when an operator presses the box body 1 through the handle 2, the brush 9 is in close contact with the surface of the pier stud under the action of the fourth spring 8, and when the scraper moves along the surface of the pier stud, the brush 9 sweeps sundries on the surface of the pier stud, so that the scraping efficiency is further improved.

Because still including second slide rail 10, second slider 11, screw rod 12 and baffle 13, the right side mid-mounting of box 1 has second slide rail 10, is equipped with second slider 11 on the second slide rail 10, and second slider 11 and second slide rail 10 sliding fit are equipped with screw rod 12 in the front side middle part of second slider 11, and the right side of second slider 11 is connected with baffle 13. Therefore, when sundries need to be scraped from the surface of the pier stud, the screw 12 is unscrewed, the baffle 13 is pulled downwards, when the baffle 13 moves to a proper position, the screw 12 is screwed, so that the sundries can be blocked, accidents except flying of the sundries can be prevented, after the sundries are scraped, the screw 12 is unscrewed, the baffle 13 is pulled upwards, and then the screw 12 is screwed.

The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The equipment for scraping sundries on the surface of the pier stud for bridge construction is characterized by comprising a box body (1), a handle (2), a buffering device (4) and a scraping device (5), wherein the handle (2) is installed in the middle of the top of the box body (1), an opening (3) is formed in the right side of the bottom of the box body (1), the buffering device (4) is arranged at the bottom of the box body (1), and the scraping device (5) is arranged in the middle of the bottom in the box body (1);

the buffer device (4) comprises a sleeve (41), sliding rods (42), a first stop block (43), a first spring (44) and wheels (45), the four corners of the bottom of the box body (1) are connected with the sleeve (41), the sliding rods (42) are arranged in the sleeve (41) in a sliding mode, the sliding rods (42) are matched with the sleeve (41), the lower parts of the four sliding rods (42) are connected with the first stop block (43), the first spring (44) is sleeved on the outer side of each sliding rod (42) between the first stop block (43) and the sleeve (41), one end of the first spring (44) is connected with the sleeve (41), the other end of the first spring is connected with the first stop block (43), and the wheels (45) are mounted at the bottoms of the four sliding rods (42);

the scraping device (5) comprises an electric cam (51), a first slide rail (52), a first slide block (53), a second stop block (54), a second spring (55), a mounting plate (56), an L-shaped rod (57), a first roller (58) and a scraper (59), the electric cam (51) is mounted in the middle of the rear side in the box body (1), the first slide rail (52) is mounted in the middle of the bottom of the box body (1), the first slide rail (52) is provided with the first slide block (53), the first slide block (53) is in sliding fit with the first slide rail (52), the left end and the right end of the first slide rail (52) are both connected with the second stop block (54), the second spring (55) is connected between the first slide block (53) and the second stop block (54) on the right side, the top of the first slide block (53) is connected with the mounting plate (56), the left side of the top of the mounting plate (56) is connected with the L-shaped rod (57), and the right end, the first roller (58) is in contact with the electric cam (51), the right side of the mounting plate (56) is connected with a scraper (59), and the scraper (59) penetrates through the opening (3);

the automatic air-blowing device is characterized by further comprising an air blowing device (6), wherein the air blowing device (6) comprises a cylinder body (61), a piston (62), a push rod (63), a second roller (64), a third spring (65), a one-way valve (66) and an air outlet pipe (67), the cylinder body (61) is installed in the middle of the inner right side of the box body (1), the piston (62) is arranged in the cylinder body (61), the piston (62) is matched with the cylinder body (61), the push rod (63) is connected to the middle of the left side of the piston (62), the push rod (63) penetrates through the middle of the left side of the cylinder body (61) in a sliding mode, the second roller (64) is installed at the left end of the push rod (63), the second roller (64) is in contact with the electric cam (51), the third spring (65) is connected between the left side of the piston (62) and the inner left side of the cylinder body (61), the, the one-way valve (66) at the bottom is hermetically connected with an air outlet pipe (67), the air outlet pipe (67) penetrates through the right side of the bottom of the box body (1), and the air outlet pipe (67) is positioned at the right side of the scraper (59);

the box body is characterized by further comprising a connecting rod (7), a fourth spring (8) and a brush (9), wherein the connecting rod (7) is connected in the middle of the bottom of the box body (1), the fourth spring (8) is connected to the bottom of the connecting rod (7), and the brush (9) is connected to the bottom end of the fourth spring (8);

the box body is characterized by further comprising a second sliding rail (10), a second sliding block (11), a screw rod (12) and a baffle (13), wherein the second sliding rail (10) is vertically arranged in the middle of the right side of the box body (1), the second sliding block (11) is arranged on the second sliding rail (10), the second sliding block (11) is in sliding fit with the second sliding rail (10), the screw rod (12) is arranged in the middle of the front side of the second sliding block (11), and the baffle (13) is connected to the right side of the second sliding block (11);

when the device is used, an operator takes up and moves the device through the handle to enable the buffer device to be in contact with the surface of the bridge pier stud, the scraping device is started to operate, the operator presses the box body through the handle at the moment, and the scraping device is in contact with the surface of the pier stud under the action of the buffer device, so that sundries on the surface of the pier stud are scraped off, the operator can slowly move the device along the surface of the pier stud to comprehensively scrape off the sundries on the surface of the pier stud, and after the scraping device is closed;

an operator moves the equipment through a handle to enable wheels to be in contact with the surface of the pier stud, after the scraping device is started, the box body is pressed through the handle, so that the sleeve is driven to move downwards, the first spring is compressed, the scraping plate of the scraping device is further in contact with the surface of the pier stud, then the equipment is moved slowly along the surface of the pier stud, the wheels roll on the surface of the pier stud, therefore, sundries on the surface of the pier stud can be scraped off, after the equipment is completed, the handle is stopped to be pressed, under the action of the first spring, the box body drives the scraping device to move upwards, the scraping plate of the scraping device is separated from the surface of the pier stud, and then the scraping device is closed;

an operator presses the box body through a handle, so that the bottom of the scraping plate is in contact with the surface of the pier stud, the electric cam is started to rotate anticlockwise, when a convex block of the electric cam rotates to the first roller, the first roller drives the mounting plate to move leftwards through the L-shaped rod, the first sliding block and the scraping plate are driven to move leftwards, the second spring is stretched, when the convex block of the electric cam rotates away from the first roller, the first sliding block drives the scraping plate to move rightwards quickly through the mounting plate under the action of the second spring, the scraping plate scrapes sundries on the surface of the pier stud, and therefore the scraping plate can scrape the sundries on the surface of the pier stud comprehensively, and after the scraping is finished, the electric cam is;

when the lug of electric cam changes to the second gyro wheel, the second gyro wheel drives the piston through the push rod and moves right, and the third spring is stretched, when the lug of electric cam changes from the second gyro wheel, under the effect of third spring, the piston drives push rod and second gyro wheel and moves left, so relapse, and the piston is controlled about, under the effect of check valve, the air gets into the cylinder body from the top check valve to blow off through the outlet duct from the check valve of bottom, thereby blow to the scraping department of scraping the scraper blade to the pier stud surface, and then blow away debris, thereby further improve and strike off efficiency.