Polishing and dedusting integrated device for box girder formwork

Abstract

The utility model aims to provide the grinding and dust removing integrated device for the box girder template, which is simple to operate and convenient to clean concrete residual blocks. The grinding assembly is arranged on the front side of the shell and used for grinding concrete residues, the dust collection assembly is arranged on the rear side of the shell and used for collecting grinding dust, a mounting cavity is formed in the shell, the grinding assembly is arranged at the front end of the mounting cavity, and the dust collection assembly is arranged at the rear end of the mounting cavity. The mounting cavity is gradually reduced in the length direction of the shell, a dust collection channel matched with the dust collection assembly is formed in the rear side of the mounting cavity, and a plurality of magnetic parts matched with a box girder formwork in a magnetic attraction mode are arranged at the bottom of the shell. The utility model is applied to the technical field of polishing and dust removing devices.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of polishing dust removal device, especially relates to a polishing dust removal integrated device for box girder formwork. BACKGROUND

[0002] Box girder formwork is usually used for pouring concrete structure in construction engineering, and they need to be flat to ensure the appearance and quality of the concrete structure, the box girder formwork is generally formed by metal plate processing, and the box girder used for the bridge is mostly prefabricated box girder made by using formwork in beam field, and the box girder will have concrete and other sundries left on the formwork after prefabrication, and needs to be polished and cleaned before being used again.

[0003] At present, the cleaning of steel formwork mainly relies on manual operation, and due to the large size of the steel formwork of high-speed rail prefabricated box girder, even the length can be 40 meters, so that the whole polishing operation is extremely complex, and the cleaning difficulty is great, so it can be seen that the working burden of the formwork cleaning and maintenance and spraying operation personnel is heavy, and more importantly, the construction completely relies on manual operation, and the subjective factors are obvious, and it is easy to appear that the cleaning is not in place, resulting in different degrees of defects of the box girder prefabrication in the later period, and affecting the appearance quality of the prefabricated box girder. UTILITY MODEL CONTENTS

[0004] The utility model wants to overcome the technical problems of prior art, and provides a polishing dust removal integrated device for box girder formwork, which is simple to operate and convenient for cleaning concrete residual blocks.

[0005] The utility model adopts the technical scheme that the utility model discloses a polishing dust removal integrated device for box girder formwork, which comprises an outer shell, a polishing assembly arranged on the front side of the outer shell for grinding concrete residues, and a dust collection assembly arranged on the rear side of the outer shell for collecting polishing dust, the outer shell is formed with a mounting cavity, the polishing assembly is arranged at the front end of the mounting cavity, the mounting cavity gradually narrows along the length direction of the outer shell, the rear side of the mounting cavity is formed with a dust collection channel matched with the dust collection assembly, and the bottom of the outer shell is provided with a plurality of magnetic elements matched with the box girder formwork.

[0006] Further, two extension plates are formed in the installation cavity, the polishing assembly comprises a mounting plate, two polishing driving devices, two groups of first polishing pieces and a plurality of second polishing pieces, the mounting plate is fixedly connected with the installation cavity, each side of the mounting plate is provided with a mounting protrusion, each first polishing piece is rotatably connected with one mounting protrusion, the plurality of second polishing pieces are rotatably connected with the mounting plate, second transmission belts are arranged between adjacent two second polishing pieces, each polishing driving device is fixedly connected with one extension plate, one polishing driving device is driven by the second transmission belt and one first polishing piece, and the other polishing driving device drives two groups of second polishing pieces through two first transmission belts.

[0007] Further, the first polishing piece comprises a first transmission rod, a first polishing head and a first transmission wheel, the first transmission rod is rotatably connected with the mounting plate, the first polishing head is fixedly connected with the lower end of the first transmission rod, the first transmission wheel is arranged above the first transmission rod, the first transmission wheel is formed with two matching grooves, and each matching groove is matched with one first transmission belt.

[0008] Further, the second polishing piece is formed with a second transmission rod, a second polishing head and a second transmission wheel, the second transmission rod is rotatably connected with the mounting protrusion, the second polishing head is fixedly connected with the lower end of the second transmission rod, the second transmission wheel is arranged above the second transmission rod, the second transmission wheel is formed with a connecting groove matched with the second transmission belt, and the diameter of the second polishing head is greater than that of the first polishing head.

[0009] Further, a supporting plate is formed at the rear side of the shell, the dust collection assembly comprises a scraper arranged at the rear side of the installation cavity and used for collecting dust, a dust suction port arranged at the dust collection channel and used for sucking dust, a dust suction motor arranged at one end of the dust suction port and connected with the supporting plate, and a dust filtering piece arranged at one side of the dust suction motor and used for screening dust, a first pipeline connected with the dust suction port is arranged at the input end of the dust suction motor, and a second pipeline connected with the dust filtering piece is arranged at the output end of the dust suction motor.

[0010] Further, the dust filtering piece is provided with a primary filtering barrel connected with the second pipeline, a secondary filtering barrel arranged above the primary filtering barrel and used for exhausting airflow, and a cover arranged at the upper portion of the secondary filtering barrel and used for sealing, the primary filtering barrel is formed with a screen for filtering large-particle dust, the secondary filtering barrel is formed with filter cotton for screening small-particle dust, and a plurality of air holes for exhausting airflow are formed at the outer side of the secondary filtering barrel.

[0011] Further, the lower end of the scraper is formed with an inclined block for scraping accumulated dust.

[0012] Further, the shell is provided with two groups of first roller groups and two groups of push wheels, each of the first roller groups is provided with a first hub, a sliding block and an elastic piece, one end of the first hub is rotationally connected with the sliding block, the other end of the first hub is slidingly matched with the shell, the shell is formed with a sliding groove which is guidingly matched with the sliding block, the bottom of the sliding groove is formed with a mounting hole which is fixedly connected with the elastic piece, and the movable end of the elastic piece is fixedly connected with the bottom of the sliding block, and each of the push wheels is correspondingly arranged at the front side of each of the first roller groups and is rotationally connected with the shell.

[0013] Further, the upper part of the shell is provided with a handle for facilitating pushing.

[0014] The utility model discloses the beneficial effect is: because the utility model discloses the floating type first roller group design, under the elastic piece pull, two groups of first roller group top up, avoid the staff pushing process first polishing piece and second polishing piece on the ground contact friction, influence service life, form the installation cavity of the width between narrowing in the shell, the dust formed by polishing concrete gradually accumulates to the rear side of the installation cavity along the inner wall of the installation cavity, and the dust is sucked away by the dust suction assembly negative pressure after cooperation the scraper of dust suction assembly shovels up, compact structure convenient to use, the first polishing piece of setting up in two sides and the second polishing piece of setting up in the middle of polishing assembly, a plurality of second polishing pieces are alternately arranged, ensure that the box girder formwork surface can be effectively polished and removes concrete block during pushing, improve polishing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of the utility model;

[0016] Figure 2 It is the structure schematic diagram of the shell of the utility model;

[0017] Figure 3 It is the explosion drawing of the first roller group of the utility model;

[0018] Figure 4 It is the structure schematic diagram of the polishing assembly of the utility model;

[0019] Figure 5 It is the structure schematic diagram of the first polishing piece of the utility model;

[0020] Figure 6 It is the structure schematic diagram of the second polishing piece of the utility model;

[0021] Figure 7 It is the structure schematic diagram of the dust suction assembly of the utility model;

[0022] Figure 8 It is the explosion drawing of the dust filter piece of the utility model.

[0023] In the figure: 1, housing; 11, mounting cavity; 12, dust collection channel; 13, magnetic member; 14, extension plate; 15, supporting plate; 16, first roller set; 161, first hub; 162, sliding block; 163, elastic member; 17, pushing wheel; 18, handle; 2, polishing assembly; 21, mounting plate; 22, polishing driving device; 23, first polishing member; 231, first transmission rod; 232, first polishing head; 233, first transmission wheel; 234, matching groove; 24, second polishing member; 241, second transmission rod; 242, second polishing head; 243, second transmission wheel; 244, connecting groove; 25, second transmission belt; 26, first transmission belt; 27, mounting protrusion; 3, dust collection assembly; 31, scraper; 32, dust collection port; 33, dust collection motor; 34, dust filtering member; 341, primary filtering barrel; 342, secondary filtering barrel; 343, cover; 344, filter cotton; 345, air hole; 35, first pipeline; 36, second pipeline. DETAILED DESCRIPTION

[0024] As Figures 1 to 8As shown, in the embodiment, the utility model includes shell 1, set up in the shell 1 front side is used for grinding concrete residual polishing assembly 2 and set up in the shell 1 rear side is used for collecting polishing dust dust collection assembly 3, the shell 1 is formed with installation cavity 11, the polishing assembly 2 is set up in the front end of installation cavity 11, the installation cavity 11 gradually reduces along the length direction of shell 1, the rear side of installation cavity 11 is formed with dust collection way 12 that cooperates with dust collection assembly 3, the bottom of shell 1 is provided with several magnetic parts 13 that cooperate with box girder formwork magnetism, the front side of shell 1 is formed with opening, opening is used to avoid the concrete block on box girder formwork, make concrete block enter installation cavity 11 and contact polishing assembly 2, magnetic part 13 is permanent magnet, magnetic part 13 is provided with three, through magnetism, the lower surface of shell 1 is attached to box girder formwork, so that the first polishing part 23 and second polishing part 24 form contact with the surface of box girder formwork during polishing, realize polishing and crushing operation to solidified concrete block, and when polishing the inclined side wall of box girder formwork, shell 1 is adsorbed on box girder formwork through magnetic part 13, avoid sliding and improve scene application effect, the first pulley group 16 that is connected floatingly through elastic element 163 of shell 1 both sides, when moving on flat bottom, two groups of first pulley group 16 are lifted under the pull of elastic element 163, avoid the first polishing part 23 and second polishing part 24 of staff pushing process ground contact friction, influence service life, the installation cavity 11 of gradually reducing width is formed in shell 1, the dust formed during polishing concrete gradually accumulates to the rear side of installation cavity 11 along the inner wall of installation cavity 11, after cooperation scraper 31 of dust collection assembly 3 shovels, dust collection assembly 3 negative pressure suction dust, compact structure is convenient to use, and the first polishing part 23 of polishing assembly 2 is located at both sides and the second polishing part 24 located in the middle, multiple second polishing parts 24 are alternately arranged, ensure that the surface of box girder formwork can be effectively polished during pushing process and remove concrete block, improve polishing efficiency.

[0025] In the embodiment, the installation cavity 11 is formed with two extension plates 14, the polishing assembly 2 comprises a mounting plate 21, two polishing driving devices 22, two groups of first polishing pieces 23 and a plurality of second polishing pieces 24, the mounting plate 21 is fixedly connected with the installation cavity 11, and the mounting plate 21 is provided with a mounting protrusion 27 on each side. Each first polishing piece 23 is correspondingly rotationally connected to one mounting protrusion 27, and a plurality of second polishing pieces 24 are rotationally connected to the mounting plate 21. A second transmission belt 25 is arranged between adjacent two second polishing pieces 24. Each polishing driving device 22 is fixedly connected with one extension plate 14. One polishing driving device 22 is driven by the second transmission belt 25 and one first polishing piece 23. Another polishing driving device 22 drives two groups of second polishing pieces 24 through two first transmission belts 26. The polishing driving device 22 is a rotary motor. A plurality of rotary bearings are arranged on the mounting plate 21. Each rotary bearing is rotationally connected with a corresponding first polishing piece 23 and second polishing piece 24. The first transmission belt 26 and the second transmission belt 25 are belts. A plurality of second polishing pieces 24 are driven by one polishing driving device 22. A plurality of second transmission belts 25 transmit the torque of the polishing driving device 22 to the plurality of second polishing pieces 24, so that the plurality of second polishing pieces 24 rotate synchronously to polish the formwork. The compact structure is convenient to use. The simple connection mode improves the installation and daily maintenance efficiency. The two groups of first polishing pieces 23 are located on the front side of the shell 1 and are used for polishing the concrete blocks on both sides. The concrete blocks on the box girder formwork can be polished and crushed during the pushing process.

[0026] In the embodiment, the first polishing piece 23 comprises a first transmission rod 231, a first polishing head 232 and a first transmission wheel 233. The first transmission rod 231 is rotationally connected with the mounting plate 21. The first polishing head 232 is fixedly connected to the lower end of the first transmission rod 231. The first transmission wheel 233 is arranged above the first transmission rod 231. The first transmission wheel 233 is formed with two matching grooves 234. Each matching groove 234 is matched with one first transmission belt 26. The first polishing head 232 is a grinding wheel.

[0027] In the embodiment, the second polishing piece 24 is formed with a second transmission rod 241, a second polishing head 242 and a second transmission wheel 243. The second transmission rod 241 is rotationally connected with the mounting protrusion 27. The second polishing head 242 is fixedly connected to the lower end of the second transmission rod 241. The second transmission wheel 243 is arranged above the second transmission rod 241. The second transmission wheel 243 is formed with a connecting groove matched with the second transmission belt 25. The diameter of the second polishing head 242 is greater than that of the first polishing head 232. The second polishing head 242 is a grinding wheel.

[0028] In the embodiment, the back side of the shell 1 is formed with a supporting plate 15, the dust suction assembly 3 comprises a scraper 31 arranged at the back side of the installation cavity 11 for collecting dust, a dust suction port 32 arranged at the dust suction channel 12 for sucking dust, a dust suction motor 33 arranged at one end of the supporting plate 15 and connected with the dust suction port 32, a dust filtering member 34 arranged at one side of the dust suction motor 33 for screening dust, a first pipeline 35 connected with the dust suction port 32 is arranged at the input end of the dust suction motor 33, a second pipeline 36 connected with the dust filtering member 34 is arranged at the output end of the dust suction motor 33, the supporting plate 15 is used for fixing the dust filtering member and the dust suction motor 33, and a fan blade connected with the output end of the dust suction motor 33 is used for forming a negative pressure airflow to suck dust from the back side of the installation cavity 11 into the dust filtering member 34.

[0029] In the embodiment, the dust filtering member 34 is provided with a primary filtering barrel 341 connected with the second pipeline 36, a secondary filtering barrel 342 arranged above the primary filtering barrel 341 for airflow discharge, and a cover 343 arranged at the upper part of the secondary filtering barrel 342 for sealing, the primary filtering barrel 341 is formed with a screen for filtering large particle dust, the secondary filtering barrel 342 is formed with filter cotton 344 for screening small particle dust, and the outer side of the secondary filtering barrel 342 is formed with a plurality of air holes 345 for airflow discharge, the primary filtering barrel 341 is provided with a screen for screening large particle dust and falling into the lower primary collecting barrel, the fine dust rising along the airflow after the airflow is discharged is intercepted and absorbed by the filter cotton 344 arranged at the sidewall of the secondary filtering barrel 342, so that dust pollution during polishing is avoided and secondary pollution to the environment is avoided.

[0030] In the embodiment, the lower end of the scraper 31 is formed with an inclined block for scraping dust, and the front end of the inclined block is formed with a sharp corner parallel to the ground for accumulating and shoveling dust in the installation cavity 11.

[0031] In the embodiment, the shell 1 is provided with two groups of first roller groups 16 and two groups of pushing wheels 17, each first roller group 16 is provided with a first hub 161, a sliding block 162 and an elastic member 163, one end of the first hub 161 is rotationally connected with the sliding block 162, the other end of the first hub 161 is slidingly matched with the shell 1, the shell 1 is formed with a sliding groove which is guidingly matched with the sliding block 162, the bottom of the sliding groove is formed with a mounting hole which is fixedly connected with the elastic member 163, the movable end of the elastic member 163 is fixedly connected with the bottom of the sliding block 162, each pushing wheel 17 is correspondingly arranged at the front side of each first roller group 16, and each pushing wheel 17 is rotationally connected with the shell 1, the elastic member 163 is a tension spring, and is used for pulling the sliding block 162, so that the sliding block 162 is lifted up under the action of magnetic force or other downward pressing force, the shell 1 is lifted up, the first polishing member 23 and the second polishing member 24 are away from the bottom surface, and the staff member is facilitated to push.

[0032] In the embodiment, the upper portion of the shell 1 is provided with a handle 18 for facilitating pushing.

[0033] The working principle of the utility model is as follows:

[0034] In use, the staff member moves the device to the box girder formwork, under the magnetic attraction of the magnetic member 13, the shell 1 applies downward pressing force to the first roller group 16 which is in contact with the ground, at this time, the elastic member 163 is elongated, the shell 1 is moved downward, the two sides of the shell 1 are tightly close to the ground, the two polishing driving devices 22 are started, a plurality of first polishing members 23 and two second polishing members 24 are driven to rotate and crush and polish the concrete blocks on the box girder formwork, the staff member holds the handle 18 and pushes, the dust formed by polishing the concrete gradually accumulates to the rear side of the mounting cavity 11 along the inner wall of the mounting cavity 11, after being scooped up by the scraper 31 of the dust suction assembly 3, the dust suction assembly 3 sucks away the dust under negative pressure, the primary collection barrel 341 is arranged below the primary filter barrel 342, and the primary filter barrel 342 is arranged above the primary filter barrel 342, the fine dust which rises along the airflow after the airflow is arranged on the filter cotton 344 on the side wall of the secondary filter barrel 342.

[0035] Although the embodiments of the utility model are described in actual schemes, but do not constitute the limitation to the meaning of the utility model, for the person skilled in the art, according to the modification of the embodiments and the combination with other schemes in the present specification, it is obvious.

Claims

1. A grinding and dust removal integrated device for box girder formwork, characterized in that: The device includes a housing (1), a grinding assembly (2) disposed on the front side of the housing (1) for grinding concrete residue, and a dust collection assembly (3) disposed on the rear side of the housing (1) for collecting grinding dust. The housing (1) forms an installation cavity (11), the grinding assembly (2) is disposed at the front end of the installation cavity (11), the installation cavity (11) gradually narrows along the length of the housing (1), a dust collection channel (12) is formed on the rear side of the installation cavity (11) to cooperate with the dust collection assembly (3), and a plurality of magnetic components (13) are disposed at the bottom of the housing (1) to magnetically cooperate with the box girder template.

2. The integrated grinding and dust removal device for box girder formwork according to claim 1, characterized in that: Two protruding plates (14) are formed inside the mounting cavity (11). The grinding assembly (2) includes a mounting plate (21), two grinding drive devices (22), two sets of first grinding parts (23), and several second grinding parts (24). The mounting plate (21) is fixedly connected to the mounting cavity (11). A mounting protrusion (27) is provided on both sides of the mounting plate (21). Each first grinding part (23) is rotatably connected to one of the mounting protrusions (27). Several second grinding parts (24) are rotatably connected to one of the mounting protrusions (27). 4) All are rotatably connected to the mounting plate (21). A second transmission belt (25) is provided between two adjacent second grinding parts (24). Each grinding drive device (22) is fixedly connected to a protruding plate (14). One grinding drive device (22) is driven by one first grinding part (23) through the second transmission belt (25). The other grinding drive device (22) drives two sets of second grinding parts (24) through two first transmission belts (26).

3. The integrated grinding and dust removal device for box girder formwork according to claim 2, characterized in that: The first grinding component (23) includes a first transmission rod (231), a first grinding head (232), and a first transmission wheel (233). The first transmission rod (231) is rotatably connected to the mounting plate (21). The first grinding head (232) is fixedly connected to the lower end of the first transmission rod (231). The first transmission wheel (233) is disposed above the first transmission rod (231). The first transmission wheel (233) forms two mating grooves (234), and each of the mating grooves (234) is mated with a first transmission belt (26).

4. The integrated grinding and dust removal device for box girder formwork according to claim 3, characterized in that: The second grinding component (24) has a second transmission rod (241), a second grinding head (242), and a second transmission wheel (243). The second transmission rod (241) is rotatably connected to the mounting protrusion (27). The second grinding head (242) is fixedly connected to the lower end of the second transmission rod (241). The second transmission wheel (243) is located above the second transmission rod (241). The second transmission wheel (243) has a connecting groove (244) that mates with the second transmission belt (25). The diameter of the second grinding head (242) is larger than the diameter of the first grinding head (232).

5. The integrated grinding and dust removal device for box girder formwork according to claim 1, characterized in that: The outer casing (1) has a tray (15) formed on the rear side. The dust collection assembly (3) includes a scraper (31) disposed on the rear side of the mounting cavity (11) for collecting dust, a dust suction port (32) disposed on the dust suction channel (12) for sucking away dust, a dust collection motor (33) disposed on the tray (15) and connected to one end of the dust suction port (32), a dust filter (34) disposed on one side of the dust collection motor (33) for sieving dust, a first pipe (35) disposed at the input end of the dust collection motor (33) and connected to the dust suction port (32), and a second pipe (36) disposed at the output end of the dust collection motor (33) and connected to the dust filter (34).

6. The integrated grinding and dust removal device for box girder formwork according to claim 5, characterized in that: The dust filter element (34) is provided with a primary filter barrel (341) connected to the second pipeline (36), a secondary filter barrel (342) disposed above the primary filter barrel (341) for airflow discharge, and a cover (343) disposed on the upper part of the secondary filter barrel (342) for sealing. The primary filter barrel (341) forms a screen for filtering large dust particles, the secondary filter barrel (342) contains filter cotton (344) for screening small dust particles, and the outer side of the secondary filter barrel (342) has a plurality of air holes (345) for airflow discharge.

7. The integrated grinding and dust removal device for box girder formwork according to claim 5, characterized in that: The lower end of the scraper (31) is formed with an inclined block for scraping accumulated dust.

8. The integrated grinding and dust removal device for box girder formwork according to claim 1, characterized in that: The outer casing (1) is provided with two sets of first roller groups (16) and two sets of push wheels (17). Each first roller group (16) is provided with a first hub (161), a sliding block (162) and an elastic element (163). One end of the first hub (161) is rotatably connected to the sliding block (162), and the other end of the first hub (161) is slidably engaged with the outer casing (1). The outer casing (1) forms a sliding groove that guides and engages with the sliding block (162). The bottom of the sliding groove forms a mounting hole that is fixedly connected to the elastic element (163). The movable end of the elastic element (163) is fixedly connected to the bottom of the sliding block (162). Each push wheel (17) is correspondingly arranged on the front side of each first roller group (16), and each push wheel (17) is rotatably connected to the outer casing (1).

9. The integrated grinding and dust removal device for box girder formwork according to claim 1, characterized in that: The upper part of the outer casing (1) is provided with a handle (18) for easy pushing.

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