CN113561029A

CN113561029A - Grinding device is used in maintenance of building engineering machine tool accessory

Info

Publication number: CN113561029A
Application number: CN202111119172.7A
Authority: CN
Inventors: 胡加林; 吴洪厂; 李良成
Original assignee: Jiangsu Huaihai New Material Technology Co ltd
Current assignee: Jiangsu Huaihai New Material Technology Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2021-10-29
Anticipated expiration: 2041-09-24
Also published as: CN113561029B

Abstract

The invention relates to the technical field of polishing devices, in particular to a polishing device for maintaining constructional engineering machinery accessories, which comprises a box body, wherein one end of the box body is provided with a pushing structure, one end of the box body is provided with a correcting structure, the interior of the box body is provided with a polishing structure, one side of the box body is provided with a height adjusting structure, the bottom end of the box body is fixedly connected with a supporting column, the bottom end of the box body is provided with a powder and scrap collecting structure, and the polishing structure comprises a rotating shaft; the surface of the round steel pipe fitting after being polished can be cleaned through the brush, and the polishing height of the grinding wheel can be adjusted through the height adjusting structure; the correcting structure can prevent the eccentric swing phenomenon from occurring in the rotating process of the other end of the round steel pipe fitting, so that the polishing quality of the round steel pipe fitting is improved; the magnetic suction plate can separate metal substances in the dust from common dust.

Description

Grinding device is used in maintenance of building engineering machine tool accessory

Technical Field

The invention relates to the technical field of polishing devices, in particular to a polishing device for maintenance of constructional engineering machinery accessories.

Background

In the building engineering construction process, in order to alleviate workman's intensity of labour, generally all can use various mechanical equipment, but in mechanical equipment's long-term use, some pipe support piece or connecting piece will take place the condition of corrosion wearing and tearing, just need polish again to the pipe accessory this moment and repairment japanning work.

At present, a handheld electric tool is generally adopted to polish circular steel pipe fittings during maintenance polishing treatment, the polishing mode is low in efficiency, poor in safety and poor in polished surface quality; meanwhile, in the polishing process, part of polished metal dust can be adsorbed on the surface of the round steel pipe fitting, so that the surface of the round steel pipe fitting needs to be cleaned after polishing, otherwise, the palm of a worker can be scratched and punctured in the later process; in addition, because before polishing, circular steel pipe accessory is put at will more, therefore earth and dust can exist on the surface, consequently at the in-process of polishing, the metal powder bits that drop can mix with dust such as ordinary earth, and this is unfavorable for the later stage recycle of metal powder bits, if handle improperly, also can cause corresponding destruction to the environment.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a polishing device for repairing constructional engineering machinery accessories.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a grinding device is used in maintenance of building engineering machine tool accessory, includes the box, the promotion structure is installed to the one end of box, the correction structure is installed to the one end of box, the internally mounted of box has the structure of polishing, the altitude mixture control structure is installed to one side of box, the bottom fixedly connected with support column of box, the bottom of box is installed the cuttings and is collected the structure, the structure of polishing includes the pivot, the pivot is installed in the internal rotation of box, the fixed surface of pivot is connected with the emery wheel, the one end of pivot is rotated and is connected with the stopper, the third spout has been seted up to the inner wall of box, the stopper is at the inside sliding connection of third spout.

Specifically, the fixed surface of pivot is connected with a plurality of thread bush, every the surperficial threaded connection of thread bush has a brush section of thick bamboo, the one end of a brush section of thick bamboo is provided with the brush, the top of box is connected with the case lid through hinge rotation.

Specifically, the altitude mixture control structure includes the fourth spout, a plurality of fourth spouts have been seted up to the other end of box, the other end sliding connection of box has sliding mounting panel, the other end fixedly connected with fixed mounting panel of box, sliding mounting panel's bottom is rotated through the bearing and is connected with the second screw rod, second screw rod screw thread runs through fixed mounting panel, sliding mounting panel's top fixed mounting has the second motor, the output of second motor and the other end fixed connection of pivot, the altitude mixture control hole has been seted up to one side of box, the other end of pivot runs through the inside in altitude mixture control hole.

Specifically, the bottom fixedly connected with second carousel of second screw rod, sliding mounting panel's one end is provided with the slider, sliding mounting panel passes through the internal surface sliding connection of slider and fourth spout.

Specifically, the promotion structure is including pushing away the material platform, the one end fixedly connected with of box pushes away the material platform, the inside bottom sliding connection who pushes away the material platform has the carriage, fixed mounting has first motor on the carriage, the output fixed mounting of first motor has clamping jaw dish.

Specifically, a plurality of first chutes are formed in the bottom end of the inner portion of the pushing platform, and the bottom end of the sliding frame is connected with the inner surface of the first chute in a sliding mode through a sliding block.

The correcting structure comprises a second sliding groove, a plurality of second sliding grooves are formed in one end of the box body, a correcting ring is connected to the inside of each second sliding groove in a sliding mode through a sliding block, a plurality of positioning pressing wheels are fixedly mounted on the inner wall of the correcting ring, one end of the correcting ring is connected with a first screw rod in a rotating mode through a bearing, and the first screw rod penetrates through one end of the material pushing table in a threaded mode.

Specifically, one end of the first screw is fixedly connected with a first turntable, and the positioning pinch rollers are distributed on the inner wall of the correction ring in an annular array manner.

Specifically, the crumbs collecting structure includes the toper fill, the bottom fixedly connected with toper fill of box, the bottom fixedly connected with collecting box that the toper was fought, the inner wall fixedly connected with slip gag lever post of collecting box, the inner wall of collecting box is close to the regional magnetism suction disc of installing in the upper end of slip gag lever post, the sliding tray has been seted up to the one end of magnetism suction disc, the inside sliding connection of sliding tray of magnetism suction disc has the slip kelly, a plurality of spliced poles of one end fixedly connected with of slip kelly, the flitch under the one end fixedly connected with inclined plane of spliced pole, the chamber door is installed in the rotation of collecting box one side.

Specifically, the bottom ends of the box body and the conical hopper are both conical structures with high peripheries and low centers, the collecting box is fixedly mounted on the supporting columns, the connecting columns are distributed in an array mode around the edges of the inclined surface blanking plates, and the inclined surface blanking plates are conical structures with high centers and low edges.

The invention has the beneficial effects that:

(1) according to the polishing device for maintaining the fittings of the constructional engineering machinery, the phenomenon of eccentric swing in the rotating process of the rotating shaft can be avoided through the limiting block, the polishing quality of the grinding wheel is further improved, the surface of the round steel pipe fittings after polishing can be cleaned through the hairbrush, the phenomenon of sputtering of metal chips falling off after polishing is prevented, and meanwhile, the polishing height of the grinding wheel can be adjusted through the height adjusting structure, namely; the circular steel pipe fitting arranged on the clamping claw disc is pushed to the bottom end of the grinding wheel through the sliding frame, then a brush barrel is manually screwed on the threaded sleeve, the brush is moved to cover the surface of the circular steel pipe fitting and is close to the outer side of a grinding area, then a second motor is started, a rotating shaft is rotated through the second motor, the threaded sleeve, the brush barrel, the brush and the grinding wheel are driven to synchronously rotate through the rotating shaft, at the moment, because a limiting block is limited through the space of a third sliding chute, the eccentric force generated by one end of the rotating shaft in the high-speed rotating process can be greatly reduced, so that the grinding quality of the grinding wheel is improved, then a second rotating disc is rotated, a second screw rod is rotated through the second rotating disc, and therefore the heights of the sliding mounting plate and the second motor are slowly reduced, the grinding wheel synchronously and slowly descends to be in contact with the surface of the circular steel pipe fitting, at this moment, the metal dust which is remained on the surface of the round steel pipe fitting can be quickly cleaned through the high-speed rotation of the brush, and meanwhile, the phenomenon that the metal dust in the polishing process is splashed to hurt people can be prevented through the protection of the brush.

(2) According to the polishing device for maintaining the fittings of the constructional engineering machinery, the circular steel pipe fittings to be polished can be stably clamped in the middle through the pushing structure, the areas of the circular steel pipe fittings to be polished can be freely moved, so that the overall working efficiency is improved, the phenomenon that the other ends of the circular steel pipe fittings are eccentrically swung in the rotating process can be prevented through the correcting structure, and the polishing quality of the circular steel pipe fittings is improved; firstly, clamping a round steel pipe fitting to be polished at one end of a clamping claw disc, then pushing a sliding frame to enable the other end of the clamping claw disc to slide to the inside of a correction ring, then rotating a first rotating disc, driving a first screw to rotate through the first rotating disc, enabling the first screw to push the correction ring to approach the surface of the round steel pipe fitting, finally enabling a positioning pressure wheel to be in contact with the surface of the round steel pipe fitting, pre-limiting the surface of the round steel pipe fitting through the positioning pressure wheel, then starting a first motor, driving the clamping claw disc and the round steel pipe fitting to rotate at a high speed through the first motor, then holding a handle of the sliding frame by hand, linearly sliding the sliding frame in a material pushing table to enable the round steel pipe fitting to penetrate through an inlet at one end of a box body to be in contact with a grinding wheel, polishing the surface of the round steel pipe fitting through the grinding wheel, and in the process of rotating and moving the round steel pipe fitting, the positioning pinch roller always limits the swing amplitude of the round steel pipe fitting.

(3) According to the polishing device for maintaining the constructional engineering machinery accessories, polished impurity dust can be collected into the collection box in a centralized manner through the conical hopper, and metal substances in the dust can be separated from common dust through the magnetic attraction plate, so that the metal dust can be conveniently recycled; in the polishing process, soil dust on the surface of the round steel pipe fittings and metal dust falling off during polishing can simultaneously fall into the inner bottom end of the box body and then enter the inner part of the conical hopper, and finally are collected into the inner part of the collecting box in a centralized way through the conical hopper, when mixed dust enters the inner part of the collecting box, the mixed dust firstly falls into the upper end of the inclined plane blanking plate and then continuously slides downwards through the conical slope of the inclined plane blanking plate and then falls into the inner bottom end of the collecting box from the gap between every two connecting posts, at the moment, in the falling process, the magnetic suction plate can carry out magnetic adsorption on the metal dust falling in the falling process, common dust directly falls into the inner bottom end of the collecting box, after all round steel pipe fittings are polished, the box door is opened, the common dust at the inner bottom end of the collecting box is removed, and then the sliding clamping rod, the connecting posts and the inclined plane blanking plate are removed on the magnetic suction plate, and then the magnetic suction plate is detached from the inside of the collecting box, and finally the metal powder adsorbed on the surface of the magnetic suction plate is cleaned.

Drawings

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

Fig. 1 is a schematic structural diagram illustrating an overall structure of a polishing device for repairing a construction machinery part according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is a schematic view of a connection structure of the pushing platform and the sliding rack according to the present invention;

FIG. 4 is a schematic view of the connection structure of the case and the collection box of the present invention;

FIG. 5 is an enlarged view of the structure of the portion B shown in FIG. 4;

FIG. 6 is a schematic view of a connection structure of the case and the rotary shaft according to the present invention;

FIG. 7 is an enlarged view of the structure of the portion C shown in FIG. 6;

FIG. 8 is a schematic view of the connection structure of the box body and the conical hopper of the invention;

fig. 9 is an enlarged view of the structure of the D-section shown in fig. 8.

In the figure: 1. a box body; 2. a pushing structure; 201. a material pushing table; 202. a first chute; 203. a carriage; 204. a first motor; 205. clamping the jaw disc; 3. a correction structure; 301. a second chute; 302. a correction loop; 303. positioning a pinch roller; 304. a first screw; 305. a first turntable; 4. polishing the structure; 401. a second motor; 402. a rotating shaft; 403. a threaded sleeve; 404. a brush barrel; 405. a brush; 406. a grinding wheel; 407. a limiting block; 408. a third chute; 409. a height adjustment hole; 410. a box cover; 5. a height adjustment structure; 501. a fourth chute; 502. a slide mounting plate; 503. fixing the mounting plate; 504. a second screw; 505. a second turntable; 6. a support pillar; 7. a breading collection structure; 701. a conical hopper; 702. a collection box; 703. sliding the limiting rod; 704. a magnetic attraction plate; 705. sliding the clamping rod; 706. connecting columns; 707. a slope blanking plate; 708. and (4) a box door.

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 9, the polishing device for repairing building engineering machinery accessories comprises a box body 1, a pushing structure 2 is installed at one end of the box body 1, a correcting structure 3 is installed at one end of the box body 1, a polishing structure 4 is installed inside the box body 1, a height adjusting structure 5 is installed at one side of the box body 1, a supporting column 6 is fixedly connected to the bottom end of the box body 1, a powder and dust collecting structure 7 is installed at the bottom end of the box body 1, the polishing structure 4 comprises a rotating shaft 402, the rotating shaft 402 is rotatably installed inside the box body 1, a grinding wheel 406 is fixedly connected to the surface of the rotating shaft 402, a limiting block 407 is rotatably connected to one end of the rotating shaft 402, a third sliding groove 408 is formed in the inner wall of the box body 1, the limiting block 407 is slidably connected inside the third sliding groove 408, and a plurality of thread sleeves 403 are fixedly connected to the surface of the rotating shaft 402, the surface of each thread bushing 403 is in threaded connection with a brush barrel 404, one end of each brush barrel 404 is provided with a brush 405, the top end of the box body 1 is rotatably connected with a box cover 410 through a hinge, the height adjusting structure 5 comprises a fourth chute 501, the other end of the box body 1 is provided with a plurality of fourth chutes 501, the other end of the box body 1 is in sliding connection with a sliding mounting plate 502, the other end of the box body 1 is fixedly connected with a fixed mounting plate 503, the bottom end of the sliding mounting plate 502 is rotatably connected with a second screw rod 504 through a bearing, the thread of the second screw rod 504 penetrates through the fixed mounting plate 503, the top end of the sliding mounting plate 502 is fixedly provided with a second motor 401, the output end of the second motor 401 is fixedly connected with the other end of the rotating shaft 402, one side of the box body 1 is provided with a height adjusting hole 409, and the other end of the rotating shaft 402 penetrates through the inside of the height adjusting hole 409, the bottom end of the second screw rod 504 is fixedly connected with a second rotating disc 505, one end of the sliding mounting plate 502 is provided with a sliding block, the sliding mounting plate 502 is connected with the inner surface of the fourth sliding groove 501 in a sliding manner through the sliding block, the round steel pipe fitting arranged on the clamping claw disc 205 is pushed to the bottom end of the grinding wheel 406 through the sliding frame 203, then the brush barrel 404 is manually rotated on the threaded sleeve 403 in a threaded manner, so that the brush 405 is moved to cover the surface of the round steel pipe fitting and is close to the outer side of the grinding area, then the second motor 401 is started, the rotating shaft 402 is rotated through the second motor 401, the threaded sleeve 403, the brush barrel 404, the brush 405 and the grinding wheel 406 are driven by the rotating shaft 402 to synchronously rotate, and at the moment, because the limiting block 407 is limited through the space of the third sliding groove 408, the eccentric force generated in the high-speed rotation process at one end of the rotating shaft 402 can be greatly reduced, so as to improve the grinding quality of the grinding wheel 406, afterwards, rotate second carousel 505, make second screw rod 504 rotate through second carousel 505, thereby slowly reduce the height of sliding mounting board 502 and second motor 401, make emery wheel 406 descend slowly in step, polish with the contact of circular steel pipe accessory surface, at this moment, can be quick through the high-speed rotation of brush 405 will remain and clean the metal dust on circular steel pipe accessory surface, the protection through brush 405 can prevent that the metal fillings in the process of polishing from appearing the phenomenon of sputtering and hindering the people simultaneously, can prevent through case lid 410 and box 1 closure that the metal dust of polishing from floating in the air, cause staff's respiratory track damage, and 410 is transparent toughened glass material.

Specifically, the pushing structure 2 includes a pushing table 201, one end of the box body 1 is fixedly connected with the pushing table 201, the bottom end inside the pushing table 201 is slidably connected with a sliding frame 203, a first motor 204 is fixedly mounted on the sliding frame 203, an output end of the first motor 204 is fixedly mounted with a clamping claw disc 205, the bottom end inside the pushing table 201 is provided with a plurality of first sliding grooves 202, the bottom end of the sliding frame 203 is slidably connected with the inner surface of the first sliding grooves 202 through a sliding block, the correcting structure 3 includes a second sliding groove 301, one end of the box body 1 is provided with a plurality of second sliding grooves 301, the inside of the second sliding grooves 301 is slidably connected with a correcting ring 302 through a sliding block, the inner wall of the correcting ring 302 is fixedly mounted with a plurality of positioning press wheels 303, one end of the correcting ring 302 is rotatably connected with a first screw 304 through a bearing, and the first screw 304 penetrates through one end of the pushing table 201, one end of the first screw 304 is fixedly connected with a first rotary table 305, the positioning press wheels 303 are distributed on the inner wall of the correction ring 302 in an annular array manner, firstly, a round steel pipe fitting to be polished is clamped at one end of the clamping claw disc 205, then the sliding frame 203 is pushed, the other end of the clamping claw disc 205 slides to the inside of the correction ring 302, then the first rotary table 305 is rotated, the first screw 304 is driven to rotate through the first rotary table 305, the first screw 304 pushes the correction ring 302 to approach the surface of the round steel pipe fitting, finally, the positioning press wheels 303 are contacted with the surface of the round steel pipe fitting, the surface of the round steel pipe fitting is pre-limited through the positioning press wheels 303, then, the first motor 204 is started, the clamping claw disc 205 and the round steel pipe fitting are driven to rotate at a high speed through the first motor 204, then, a handle of the sliding frame 203 is held by hand, and the sliding frame 203 linearly slides in the inside of the material pushing table 201, the circular steel pipe fitting penetrates through an inlet at one end of the box body 1 to be in contact with the grinding wheel 406, the surface of the circular steel pipe fitting is ground through the grinding wheel 406, and the positioning pressing wheel 303 always limits the swing amplitude of the circular steel pipe fitting in the rotating and moving process of the circular steel pipe fitting.

Specifically, the powder collecting structure 7 includes a conical hopper 701, the bottom end of the box body 1 is fixedly connected with the conical hopper 701, the bottom end of the conical hopper 701 is fixedly connected with a collecting box 702, the inner wall of the collecting box 702 is fixedly connected with a sliding limiting rod 703, the inner wall of the collecting box 702 near the upper end region of the sliding limiting rod 703 is provided with a magnetic suction plate 704, one end of the magnetic suction plate 704 is provided with a sliding groove, the inside of the sliding groove of the magnetic suction plate 704 is slidably connected with a sliding clamping rod 705, one end of the sliding clamping rod 705 is fixedly connected with a plurality of connecting posts 706, one end of the connecting posts 706 is fixedly connected with an inclined plane blanking plate 707, one side of the collecting box 702 is rotatably provided with a box door 708, the bottom ends of the box body 1 and the conical hopper 701 are both in a conical structure with high periphery and low middle part, the collecting box 702 is fixedly arranged on a supporting column 6, and the connecting posts 706 are distributed around the edge array of the inclined plane blanking plate 707, the inclined surface blanking plate 707 is a conical structure with a high middle edge and a low middle edge, in the grinding process, the soil dust on the surface of the round steel pipe fittings and the metal dust falling off during grinding can simultaneously fall into the inner bottom end of the box body 1, then enter the inner part of the conical hopper 701, finally are collected into the inner part of the collection box 702 through the conical hopper 701, when the mixed dust enters the inner part of the collection box 702, firstly fall into the upper end of the inclined surface blanking plate 707, then continue to slide downwards through the conical slope of the inclined surface blanking plate 707, and then fall into the inner bottom end of the collection box 702 from the gap between every two connecting posts 706, at the moment, in the falling process, the magnetic attraction plate 704 can carry out magnetic adsorption on the metal dust falling process, while the common dust directly falls into the inner bottom end of the collection box 702, after all round steel pipe fittings are ground, the box door 708 is opened, common dust at the bottom end inside the collection box 702 is firstly removed, then the sliding clamping rod 705, the connecting column 706 and the inclined plane blanking plate 707 are detached from the magnetic attraction plate 704, then the magnetic attraction plate 704 is detached from the inside of the collection box 702, and finally metal dust adsorbed on the surface of the magnetic attraction plate 704 is cleaned.

When the device is used, firstly, a round steel pipe fitting to be polished is clamped at one end of a clamping claw disc 205, then a sliding frame 203 is pushed, the other end of the clamping claw disc 205 slides to the inside of a correction ring 302, then a first rotating disc 305 is rotated, a first screw 304 is driven to rotate through the first rotating disc 305, the first screw 304 pushes the correction ring 302 to approach the surface of the round steel pipe fitting, finally a positioning pressing wheel 303 is contacted with the surface of the round steel pipe fitting, the surface of the round steel pipe fitting is pre-limited through the positioning pressing wheel 303, then a first motor 204 is started, the clamping claw disc 205 and the round steel pipe fitting are driven to rotate at a high speed through the first motor 204, then a handle of the sliding frame 203 is held by hand, the sliding frame 203 linearly slides in the pushing platform 201, the round steel pipe fitting passes through an inlet at one end of a box body 1 to be contacted with a grinding wheel 406, and the surface of the round steel pipe fitting is polished through the grinding wheel 406, in the process of rotating and moving the round steel pipe fitting, the positioning pressing wheel 303 always limits the swing amplitude of the round steel pipe fitting; when the circular steel pipe fitting mounted on the clamping jaw disc 205 is pushed to the bottom end of the grinding wheel 406 through the sliding frame 203, the brush barrel 404 is manually rotated on the threaded sleeve 403 in a threaded manner, the brush 405 is moved to cover the surface of the circular steel pipe fitting and is close to the outer side of a grinding area, then the second motor 401 is started, the rotating shaft 402 is rotated through the second motor 401, the threaded sleeve 403, the brush barrel 404, the brush 405 and the grinding wheel 406 are driven to synchronously rotate through the rotating shaft 402, at the moment, because the limiting block 407 is limited through the space of the third sliding chute 408, the eccentric force generated in the high-speed rotation process of one end of the rotating shaft 402 can be greatly reduced, so that the grinding quality of the grinding wheel 406 is improved, then the second rotating disc 505 is rotated, the second screw rod 504 is rotated through the second rotating disc 505, so that the heights of the sliding mounting plate 502 and the second motor 401 are slowly reduced, and the grinding wheel 406 synchronously and slowly descends, the metal dust cleaning brush is in contact with the surface of the round steel pipe fitting for polishing, at the moment, the metal dust remained on the surface of the round steel pipe fitting can be quickly cleaned through the high-speed rotation of the brush 405, and meanwhile, the phenomenon that the metal dust splashed to hurt people in the polishing process can be prevented through the protection of the brush 405; in the polishing process, the soil dust on the surface of the round steel pipe fittings and the metal dust falling off during polishing can simultaneously fall into the inner bottom end of the box body 1, then enter the inner part of the conical hopper 701, and finally are collected into the inner part of the collecting box 702 through the conical hopper 701 in a centralized manner, when the mixed dust enters the inner part of the collecting box 702, the mixed dust firstly falls into the upper end of the inclined plane blanking plate 707 and then continuously slides downwards through the conical slope of the inclined plane blanking plate 707, and then falls into the inner bottom end of the collecting box 702 from the gap between every two connecting posts 706, at the moment, in the falling process, the magnetic attraction plate 704 can carry out magnetic attraction on the metal dust falling in the falling process, the common dust directly falls into the inner bottom end of the collecting box 702, after all round steel pipe fittings are polished, the box door 708 is opened, and the common dust at the inner bottom end of the collecting box 702 is firstly removed, and then the sliding clamping rod 705, the connecting column 706 and the inclined plane blanking plate 707 are removed from the magnetic attraction plate 704, the magnetic attraction plate 704 is removed from the inside of the collecting box 702, and finally the metal dust adsorbed on the surface of the magnetic attraction plate 704 is cleaned.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The grinding device for maintaining the fittings of the constructional engineering machinery is characterized by comprising a box body (1), wherein a pushing structure (2) is installed at one end of the box body (1), a correcting structure (3) is installed at one end of the box body (1), a grinding structure (4) is installed inside the box body (1), a height adjusting structure (5) is installed at one side of the box body (1), a support column (6) is fixedly connected to the bottom end of the box body (1), and a powder scrap collecting structure (7) is installed at the bottom end of the box body (1);

the polishing structure (4) comprises a rotating shaft (402), the rotating shaft (402) is installed in the box body (1) in a rotating mode, a grinding wheel (406) is fixedly connected to the surface of the rotating shaft (402), a limiting block (407) is connected to one end of the rotating shaft (402) in a rotating mode, a third sliding groove (408) is formed in the inner wall of the box body (1), and the limiting block (407) is connected to the third sliding groove (408) in a sliding mode.

2. The grinding device for maintenance of constructional engineering machinery parts as claimed in claim 1, wherein: the surface of pivot (402) fixed surface is connected with a plurality of thread bush (403), every the surface threaded connection of thread bush (403) has a brush section of thick bamboo (404), the one end of a brush section of thick bamboo (404) is provided with brush (405), the top of box (1) is connected with case lid (410) through the hinge rotation.

3. The grinding device for maintenance of constructional engineering machinery parts as claimed in claim 1, wherein: altitude mixture control structure (5) include fourth spout (501), a plurality of fourth spouts (501) have been seted up to the other end of box (1), the other end sliding connection of box (1) has sliding mounting board (502), the other end fixedly connected with fixed mounting board (503) of box (1), the bottom of sliding mounting board (502) is rotated through the bearing and is connected with second screw rod (504), second screw rod (504) screw thread runs through fixed mounting board (503), the top fixed mounting of sliding mounting board (502) has second motor (401), the output of second motor (401) and the other end fixed connection of pivot (402), altitude mixture control hole (409) have been seted up to one side of box (1), the other end of pivot (402) runs through the inside of altitude mixture control hole (409).

4. A grinding device for maintenance of constructional engineering machine parts as claimed in claim 3, wherein: the bottom end of the second screw rod (504) is fixedly connected with a second rotating disc (505), one end of the sliding mounting plate (502) is provided with a sliding block, and the sliding mounting plate (502) is connected with the inner surface of the fourth sliding groove (501) in a sliding mode through the sliding block.

5. The grinding device for maintenance of constructional engineering machinery parts as claimed in claim 1, wherein: promote structure (2) including pushing away material platform (201), the one end fixedly connected with of box (1) pushes away material platform (201), the inside bottom sliding connection of pushing away material platform (201) has carriage (203), fixed mounting has first motor (204) on carriage (203), the output fixed mounting of first motor (204) has clamping jaw dish (205).

6. The grinding device for repairing a constructional engineering machine part as claimed in claim 5, wherein: a plurality of first chutes (202) are formed in the bottom end of the inner portion of the material pushing platform (201), and the bottom end of the sliding frame (203) is connected with the inner surface of the first chute (202) in a sliding mode through a sliding block.

7. The grinding device for maintenance of constructional engineering machinery parts as claimed in claim 1, wherein: the correcting structure (3) comprises a second sliding groove (301), a plurality of second sliding grooves (301) are formed in one end of the box body (1), a correcting ring (302) is connected to the inside of each second sliding groove (301) through a sliding block in a sliding mode, a plurality of positioning pressing wheels (303) are fixedly mounted on the inner wall of the correcting ring (302), one end of the correcting ring (302) is connected with a first screw (304) in a rotating mode through a bearing, and the first screw (304) penetrates through one end of the material pushing platform (201) in a threaded mode.

8. The grinding device for repairing a component of a construction machinery according to claim 7, wherein: one end of the first screw (304) is fixedly connected with a first rotating disc (305), and the positioning pressing wheels (303) are distributed on the inner wall of the correction ring (302) in an annular array manner.

9. The grinding device for maintenance of constructional engineering machinery parts as claimed in claim 1, wherein: the powder collecting structure (7) comprises a conical hopper (701), a conical hopper (701) is fixedly connected to the bottom end of the box body (1), a collecting box (702) is fixedly connected to the bottom end of the conical hopper (701), a sliding limiting rod (703) is fixedly connected to the inner wall of the collecting box (702), a magnetic suction plate (704) is installed in the upper end area of the inner wall of the collecting box (702) close to the sliding limiting rod (703), a sliding groove is formed in one end of the magnetic suction plate (704), a sliding clamping rod (705) is slidably connected to the inside of the sliding groove of the magnetic suction plate (704), a plurality of connecting columns (706) are fixedly connected to one end of each sliding clamping rod (705), an inclined-surface blanking plate (707) is fixedly connected to one end of each connecting column (706), and a box door (708) is installed on one side of the collecting box (702) in a rotating mode.

10. The grinding device for repairing a constructional engineering machine part as claimed in claim 9, wherein: the bottom ends of the box body (1) and the conical hopper (701) are all conical structures with high peripheries and low middles, the collecting box (702) is fixedly mounted on the supporting column (6), the connecting columns (706) are distributed in an array mode around the edge of the inclined surface blanking plate (707), and the inclined surface blanking plate (707) is of a conical structure with high middles and low middles.