CN115487971A

CN115487971A - Automatic paint spraying device of steel structure

Info

Publication number: CN115487971A
Application number: CN202211331059.XA
Authority: CN
Inventors: 徐勤刚
Original assignee: Shandong Zhenyu Anticorrosion Technology Co ltd
Current assignee: Shandong Zhenyu Anticorrosion Technology Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2022-12-20

Abstract

The invention relates to the technical field of steel structure paint spraying, in particular to an automatic paint spraying device for a steel structure, which comprises a bottom plate, wherein an arranging mechanism is arranged on the bottom plate, a supporting mechanism is arranged on the bottom plate, a limiting mechanism is arranged on the supporting mechanism, an adsorption mechanism is arranged on the bottom plate, a spraying mechanism is arranged on the arranging mechanism, and adjusting mechanisms are arranged on the arranging mechanism and the spraying mechanism; through the matching of the spraying mechanism and the adjusting mechanism, the angle of the paint sprayer can be freely adjusted, the condition that the spraying at the corner of the steel beam is uneven is reduced, the condition that the spraying at the corner of the steel beam is not carried out is avoided, and the spraying processing quality of the steel beam is ensured; the steel beam is conveniently and simultaneously limited and bound in multiple points through the limiting mechanism; through adsorption apparatus structure to the convenient coating cloud that produces among the process of spraying paint concentrates the absorption, reduces the pollution that causes the environment, alleviates the harm that causes the operating personnel health, has also reduced the waste to spraying paint simultaneously.

Description

Automatic paint spraying device of steel structure

Technical Field

The invention relates to the technical field of steel structure paint spraying, in particular to an automatic paint spraying device for a steel structure.

Background

The steel structure is a structure composed of a steel material. The structure mainly comprises steel beams, steel columns, steel trusses and other members made of section steel, steel plates and the like, and is widely applied to the fields of large-scale plants, venues, super-high buildings and the like due to light self weight and simple construction. The steel structure is easy to rust, and generally the steel structure needs to be derusted, galvanized or painted, and needs to be maintained regularly. For example, steel beams are long steel bars with I-shaped cross sections, and corresponding anti-rust paint needs to be sprayed in advance in the machining process, and a corresponding automatic paint spraying device is usually adopted.

However, in the actual operation of the conventional automatic paint spraying device for the steel structure, because most of the spray heads for spraying paint are fixed, uneven spraying or even incomplete spraying is easily generated at the positions of the corners of the steel beam in the process of spraying the steel material, so that the spraying processing quality of the steel beam is affected; meanwhile, in the traditional process of spraying paint on the steel beam, some steel beams are directly placed on a narrow placing plate, so that in the spraying process, when the steel beams are influenced by strong external force, the steel beams are easy to shake, certain potential safety hazards exist, and although some steel beams are limited and bound, the steel beams are usually limited and bound at multiple points, so that the operation steps are complicated; in addition, the traditional steel structure paint spraying process can produce a large amount of paint mist, not only pollutes the environment, influences operating personnel's healthy, has also led to the waste of spraying paint.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an automatic paint spraying device for a steel structure.

The technical scheme adopted by the invention for solving the technical problem is as follows: an automatic paint spraying device of a steel structure comprises a bottom plate, wherein an arranging mechanism is arranged on the bottom plate, a supporting mechanism is arranged on the bottom plate, a limiting mechanism is arranged on the supporting mechanism, an adsorption mechanism is arranged on the bottom plate, a spraying mechanism is arranged on the arranging mechanism, and adjusting mechanisms are arranged on the arranging mechanism and the spraying mechanism;

the mounting mechanism comprises a mounting box main body, the bottom plate is provided with the mounting box main body, the bottom plate is fixedly connected with two slide rails, the mounting box main body is fixedly connected with two slide frames, and the two slide frames are respectively connected with the two slide rails in a sliding manner;

the spraying mechanism comprises pipe joints, two pipe joints are rotatably connected inside the accommodating box main body, a nozzle main body is mounted on each pipe joint, a coating pipe is arranged inside the accommodating box main body, and the coating pipe extends and is rotatably connected inside the pipe joints;

the adjusting mechanism comprises a second electric hydraulic cylinder, the second electric hydraulic cylinder is arranged inside the placing box main body, the output end of the second electric hydraulic cylinder is connected with a connecting rod, a third toothed plate is fixedly connected to the side wall of the connecting rod, a fourth toothed plate is slidably connected inside the placing box main body, a plurality of meshed teeth are arranged on the pipe joints, the third toothed plate and the fourth toothed plate are respectively meshed with the meshed teeth on the two pipe joints, the end part of the connecting rod is fixedly connected with a push block, and the push block is slidably connected inside the placing box main body; a through groove is formed in the placing box main body, and two ends of the through groove are respectively communicated with an inner cavity where the push block is located and an inner cavity where the fourth toothed plate is located.

Specifically, the supporting mechanism comprises a fixing plate, a plurality of fixing plates are fixedly connected to the bottom plate, vertical plates are fixedly connected to the fixing plate, a supporting plate is fixedly connected to the vertical plates together, and the supporting plate extends to an inner cavity of the box main body; a plurality of arrangement blocks are fixedly connected to the supporting plate and are distributed linearly at equal intervals.

Specifically, the limiting mechanism comprises a first electric hydraulic cylinder, the first electric hydraulic cylinder is arranged in the supporting plate, a first toothed plate is connected to the output end of the first electric hydraulic cylinder, a plurality of gear shafts are rotatably connected in the supporting plate, and the first toothed plate is meshed with the plurality of gear shafts; the gear shaft extends to the inside of the placement block and is connected with a transmission gear, and the transmission gear is meshed with the two second toothed plates.

Specifically, the adsorption mechanism comprises a sealing cover, a plurality of sealing covers are mounted on the bottom plate, and the sealing covers are distributed at equal intervals; a plurality of mounting frames are clamped in the bottom plate, the mounting frames are respectively arranged at the bottoms of the sealing covers, and filter screens are fixedly connected to the mounting frames; the cross-section of filter screen is the V-arrangement, just the installing frame is inside to be equipped with two catching grooves.

The invention has the beneficial effects that:

(1) When the automatic paint spraying device for the steel structure is used, the mounting mechanism is arranged on the bottom plate, the spraying mechanism is arranged on the mounting mechanism, the adjusting mechanism is arranged on the mounting mechanism and the spraying mechanism, and the angle of the paint sprayer is conveniently and freely adjusted through the matching of the spraying mechanism and the adjusting mechanism, so that the condition of uneven spraying when the corners of the steel beam are sprayed is reduced, the condition that the corners of the steel beam are not sprayed is avoided, and the spraying processing quality of the steel beam is ensured; namely: in actual operation, the box main body can be arranged to slide on the sliding rail through the power system of the box main body, after the steel beam to be sprayed is arranged, corresponding paint can be introduced into the interior of the paint pipe to be sprayed, and then the steel beam is sprayed through the pipe joint and the nozzle main body, and in the process, a user can switch on the second electric hydraulic cylinder, so that the second electric hydraulic cylinder starts to work, the connecting rod is driven to move, the connecting rod moves to drive the third toothed plate to move, the pipe joint can be driven to deflect through the grinding teeth along with the movement of the third toothed plate, and then the paint pipe and the nozzle main body are driven to deflect together.

(2) When the automatic paint spraying device for the steel structure is used, the limiting mechanism is arranged on the supporting mechanism, and the limiting mechanism is used for conveniently and simultaneously limiting and binding the steel beam at multiple points, so that potential safety hazards are avoided, and the operation is more convenient and faster; namely: in the time of actual operation, after settling the girder steel in a plurality of arrangement pieces in the backup pad, the user can be with first electric hydraulic cylinder switch on, then first electric hydraulic cylinder produces the removal, and then drive first pinion rack and produce the removal, first pinion rack removes and drives a plurality of gear shafts and rotate together, the gear shaft rotates and drives the driving gear rotation, and along with the rotation of driving gear, will drive two second pinion racks phase displacement, and then drive two limiting plates also phase displacement, it is spacing to carry out the centre gripping to the girder steel until two limiting plates, in this process, through a plurality of gear shafts, can drive multiunit limiting plate and carry out the centre gripping simultaneously to the girder steel spacing constraint of multiple spot, thereby the convenience carries out the spacing constraint of multiple spot to the girder steel simultaneously, not only avoided the potential safety hazard, still make the more convenient and fast of operation.

(3) When the automatic paint spraying device with the steel structure is used, the adsorption mechanism is arranged on the bottom plate, and paint mist generated in the paint spraying process is conveniently and intensively absorbed through the adsorption mechanism, so that the pollution to the environment is reduced, the harm to the health of operators is reduced, and the waste of paint spraying is reduced; namely: during the actual operation, the user can be with corresponding paint adsorption equipment's suction pipe connection on the through-hole of bottom plate bottom, when needs, open the closing cap, the coating cloud that produces in to the spraying process through corresponding paint adsorption equipment absorbs, and simultaneously, large granule impurity in to the air through the filter screen filters, guarantee the purity of being absorbed the coating cloud, and use after a period, still can take out installing frame and filter screen through the catching groove, conveniently handle the dust impurity on the filter screen, guarantee the filter capacity of filter screen, thereby just concentrate the absorption to the coating cloud that produces in the spraying process, reduce the pollution that causes the environment, alleviate the harm that causes to operating personnel health, the waste to spraying paint has also been reduced simultaneously.

Drawings

The invention is further illustrated by the following examples in conjunction with the drawings.

FIG. 1 is a schematic overall structure diagram of an automatic paint spraying apparatus for steel structure according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of a connection structure of the spraying mechanism and the adjusting mechanism of the present invention;

fig. 3 is a schematic view of a connecting structure of the support plate, the first electric hydraulic cylinder, the first toothed plate and the gear shaft according to the present invention;

fig. 4 is a schematic view of a connection structure of the mounting block, the gear shaft, the transmission gear, the second toothed plate and the limiting plate according to the present invention;

FIG. 5 is a schematic view of a connection structure between the base plate and the adsorption mechanism according to the present invention;

FIG. 6 is an enlarged view of the part A shown in FIG. 1;

FIG. 7 is an enlarged view of the structure of the portion B shown in FIG. 2;

fig. 8 is an enlarged view of the structure of the C-portion shown in fig. 5.

In the figure: 1. a base plate; 2. a placement mechanism; 201. a slide rail; 202. arranging a box main body; 203. a sliding frame; 3. a support mechanism; 301. a fixing plate; 302. a vertical plate; 303. a support plate; 304. a mounting block; 4. a limiting mechanism; 401. a first electric hydraulic cylinder; 402. a first toothed plate; 403. a gear shaft; 404. a transmission gear; 405. a second toothed plate; 406. a limiting plate; 5. an adsorption mechanism; 501. sealing the cover; 502. installing a frame; 503. filtering with a screen; 504. buckling grooves; 6. a spraying mechanism; 601. a nozzle body; 602. a pipe joint; 603. a coating tube; 7. an adjustment mechanism; 701. a second electric hydraulic cylinder; 702. a connecting rod; 703. a third toothed plate; 704. a rodent; 705. a push block; 706. a fourth toothed plate; 707. a through groove.

Detailed Description

The present invention will be further described with reference to the following detailed description so that the technical means, the creation features, the achievement purposes and the effects of the present invention can be easily understood.

As shown in fig. 1-8, the automatic paint spraying device of a steel structure of the present invention includes a base plate 1, a mounting mechanism 2 is disposed on the base plate 1, a supporting mechanism 3 is disposed on the base plate 1, a limiting mechanism 4 is disposed on the supporting mechanism 3, an adsorbing mechanism 5 is disposed on the base plate 1, a spraying mechanism 6 is disposed on the mounting mechanism 2, and adjusting mechanisms 7 are disposed on the mounting mechanism 2 and the spraying mechanism 6;

the arranging mechanism 2 comprises an arranging box main body 202, the arranging box main body 202 is arranged on the bottom plate 1, two sliding rails 201 are fixedly connected to the bottom plate 1, two sliding frames 203 are fixedly connected to the arranging box main body 202, and the two sliding frames 203 are respectively connected to the two sliding rails 201 in a sliding manner;

the spraying mechanism 6 comprises a pipe joint 602, two pipe joints 602 are rotatably connected inside the housing box main body 202, a nozzle main body 601 is mounted on the pipe joint 602, a coating pipe 603 is arranged inside the housing box main body 202, and the coating pipe 603 extends and is rotatably connected inside the pipe joint 602;

the adjusting mechanism 7 comprises a second electric hydraulic cylinder 701, the second electric hydraulic cylinder 701 is arranged inside the placing box main body 202, the output end of the second electric hydraulic cylinder 701 is connected with a connecting rod 702, the side wall of the connecting rod 702 is fixedly connected with a third toothed plate 703, the inside of the placing box main body 202 is slidably connected with a fourth toothed plate 706, a plurality of meshed plates 704 are arranged on the pipe joint 602, the third toothed plate 703 and the fourth toothed plate 706 are respectively meshed with the meshed plates 704 on the two pipe joints 602, the end part of the connecting rod 702 is fixedly connected with a push block 705, and the push block 705 is slidably connected inside the placing box main body 202; a through groove 707 is formed in the placing box main body 202, and two ends of the through groove 707 are respectively communicated with an inner cavity where the push block 705 is located and an inner cavity where the fourth toothed plate 706 is located; when the device is used, the mounting mechanism 2 is arranged on the bottom plate 1, the spraying mechanism 6 is arranged on the mounting mechanism 2, the adjusting mechanism 7 is arranged on the mounting mechanism 2 and the spraying mechanism 6, and the spraying mechanism 6 is matched with the adjusting mechanism 7, so that the angle of a paint spray head can be freely adjusted, the condition of uneven spraying when the corners of the steel beam are sprayed is reduced, the condition that the corners of the steel beam are not sprayed is avoided, and the spraying processing quality of the steel beam is ensured; namely: in actual operation, the mounting box main body 202 can slide on the sliding rail 201 through a self power system, after a steel beam to be sprayed is mounted, corresponding paint can be introduced into the paint pipe 603 to spray paint, and then the paint is sprayed out through the pipe joint 602 and the nozzle main body 601, and in the process, a user can switch on the second electric hydraulic cylinder 701, so that the second electric hydraulic cylinder 701 starts to work to drive the connecting rod 702 to move, the connecting rod 702 moves to drive the third toothed plate 703 to move, the pipe joint 602 is driven to deflect through the rodent 704 along with the movement of the third toothed plate 703, the paint pipe 603 and the nozzle main body 601 are further driven to deflect together, further, the push block 705 also can be driven to move simultaneously along with the movement of the connecting rod 702, gas in a sliding cavity of the push block 705 can be extruded along with the movement of the push block 705, and then the fourth toothed plate 706 is driven through the through groove 707, so that the fourth toothed plate 706 moves, and the nozzle main body 601 is driven to deflect, thereby facilitating adjustment of the angle of the nozzle to the steel beam when the angle of the steel beam is not sprayed, and avoiding the condition that the steel beam is sprayed, and the quality of the steel beam is not subjected to be sprayed.

Specifically, the supporting mechanism 3 includes a fixing plate 301, a plurality of fixing plates 301 are fixedly connected to the base plate 1, vertical plates 302 are fixedly connected to the fixing plate 301, a plurality of vertical plates 302 are fixedly connected to the vertical plates 302, and a supporting plate 303 is fixedly connected to the vertical plates 302 together, and the supporting plate 303 extends to an inner cavity of the box main body 202; a plurality of mounting blocks 304 are fixedly connected to the supporting plate 303, and the mounting blocks 304 are linearly distributed at equal intervals; when the fixing device is used, the supporting plate 303 is conveniently fixed and supported by the fixing plate 301 and the vertical plate 302, and the mounting block 304 is further conveniently fixed and mounted.

Specifically, the limiting mechanism 4 includes a first electric hydraulic cylinder 401, the first electric hydraulic cylinder 401 is arranged inside the supporting plate 303, a first toothed plate 402 is connected to an output end of the first electric hydraulic cylinder 401, a plurality of gear shafts 403 are rotatably connected inside the supporting plate 303, and the first toothed plate 402 is meshed with the plurality of gear shafts 403; two limiting plates 406 are slidably connected inside the mounting block 304, a second toothed plate 405 is fixedly connected to the limiting plates 406, the second toothed plate 405 is slidably connected inside the mounting block 304, the gear shaft 403 extends into the mounting block 304 and is connected with a transmission gear 404, and the transmission gear 404 is meshed with the two second toothed plates 405; when the limiting mechanism 4 is used, the limiting mechanism 4 is arranged on the supporting mechanism 3, and the limiting mechanism 4 is used for conveniently and simultaneously limiting and binding the steel beam at multiple positions, so that not only is the potential safety hazard avoided, but also the operation is more convenient and faster; namely: in actual operation, after the steel beams are placed on the plurality of placing blocks 304 on the supporting plate 303, a user can switch on the first electric hydraulic cylinder 401, so that the first electric hydraulic cylinder 401 moves to drive the first toothed plate 402 to move, the first toothed plate 402 moves to drive the plurality of gear shafts 403 to rotate together, the gear shafts 403 rotate to drive the transmission teeth 404 to rotate, the two second toothed plates 405 are driven to move oppositely along with the rotation of the transmission teeth 404, the two limiting plates 406 are driven to move oppositely until the two limiting plates 406 clamp and limit the steel beams, and in the process, the plurality of gear shafts 403 can drive the plurality of limiting plates 406 to clamp and limit the steel beams simultaneously, so that the steel beams are conveniently and simultaneously limited and bound at multiple point positions, potential safety hazards are avoided, and operation is more convenient and rapid.

Specifically, the adsorption mechanism 5 includes a plurality of sealing caps 501, the bottom plate 1 is provided with a plurality of sealing caps 501, and the plurality of sealing caps 501 are distributed at equal intervals; a plurality of mounting frames 502 are clamped in the bottom plate 1, the mounting frames 502 are respectively arranged at the bottoms of the sealing covers 501, and a filter screen 503 is fixedly connected to the mounting frames 502; the cross section of the filter screen 503 is in a V shape, and two catching grooves 504 are formed in the mounting frame 502; when the paint spraying device is used, the adsorption mechanism 5 is arranged on the bottom plate 1, and paint mist generated in the paint spraying process is conveniently absorbed in a centralized manner through the adsorption mechanism 5, so that the pollution to the environment is reduced, the harm to the health of operators is reduced, and the waste of paint spraying is reduced; namely: during actual operation, the user can with corresponding paint adsorption equipment's suction pipe connect in on the through-hole of bottom plate 1 bottom, when needs, will closing cap 501 is opened, and the coating cloud that produces in to the spraying process through corresponding paint adsorption equipment absorbs, simultaneously, through filter screen 503 filters the large granule impurity in to the air, guarantees to be absorbed the purity of coating cloud, and uses a period of time after, still can pass through catching groove 504 takes out installing frame 502 and filter screen 503, convenient processing dust impurity on the filter screen 503 guarantees filter screen 503's filter capacity to just concentrate the absorption to the coating cloud that produces in the spraying paint process, reduce the pollution that causes the environment, alleviate the harm that causes to operating personnel health, also reduced the waste to spraying paint simultaneously.

When the fixing device is used, firstly, the fixing plate 301 and the vertical plate 302 are used for conveniently fixing and supporting the supporting plate 303, and further, the mounting block 304 is conveniently fixed and mounted; in actual operation, after the steel beam is placed on the plurality of placement blocks 304 on the support plate 303, a user can switch on the first electric hydraulic cylinder 401, so that the first electric hydraulic cylinder 401 moves to drive the first toothed plate 402 to move, the first toothed plate 402 moves to drive the plurality of gear shafts 403 to rotate together, the gear shafts 403 rotate to drive the transmission teeth 404 to rotate, and along with the rotation of the transmission teeth 404, the two second toothed plates 405 are driven to move oppositely, so that the two limiting plates 406 are driven to move oppositely until the two limiting plates 406 clamp and limit the steel beam, in the process, the plurality of gear shafts 403 can drive the plurality of groups of limiting plates 406 to simultaneously clamp and limit the steel beam, so that the steel beam can be conveniently and simultaneously limited and bound in multiple positions, potential safety hazards are avoided, and the operation is more convenient and rapid; furthermore, the placing box main body 202 can slide on the sliding rail 201 through a self power system, after a steel beam to be sprayed is placed, corresponding paint can be introduced into the paint pipe 603 to be sprayed, and then the steel beam is sprayed out through the pipe joint 602 and the nozzle main body 601, and in the process, a user can switch on the second electric hydraulic cylinder 701, so that the second electric hydraulic cylinder 701 starts to work, the connecting rod 702 is driven to move, the connecting rod 702 moves to drive the third toothed plate 703 to move, the pipe joint 602 is driven to deflect through the rodent 704 along with the movement of the third toothed plate 703, the paint pipe 603 and the nozzle main body 601 are driven to deflect together, further, the pushing block 705 is driven to move simultaneously along with the movement of the connecting rod 702, the gas in the sliding cavity of the pushing block is extruded and propelled along with the movement of the pushing block 705, the fourth toothed plate 706 is pneumatically propelled through the through groove 707, the fourth toothed plate 706 moves, the same as the above operation, the other nozzle main body 601 is driven to deflect, the angle of the nozzle main body 601 can be conveniently adjusted freely, the condition that the quality of spraying of the steel beam at the corner is not sprayed is guaranteed, and the condition of the corner of the steel beam which is not sprayed; in addition, the user can be connected corresponding paint adsorption equipment's suction pipeline on the through-hole of bottom plate 1 bottom, when needs, open closing cap 501, the coating cloud that produces in to the spraying process through corresponding paint adsorption equipment absorbs, and simultaneously, large granule impurity in to the air filters through filter screen 503, guarantee the purity of being absorbed the coating cloud, and use after a period, still can take out installing frame 502 and filter screen 503 through catching groove 504, conveniently handle the dust impurity on the filter screen 503, guarantee filter screen 503's filter capacity, thereby just concentrate the absorption to the coating cloud that produces in the spraying paint process, reduce the pollution that causes the environment, alleviate the harm that causes to operating personnel health, the waste to spraying paint has also been reduced simultaneously.

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 automatic paint spraying device for the steel structure is characterized by comprising a bottom plate (1), wherein an arranging mechanism (2) is arranged on the bottom plate (1), a supporting mechanism (3) is arranged on the bottom plate (1), a limiting mechanism (4) is arranged on the supporting mechanism (3), an adsorption mechanism (5) is arranged on the bottom plate (1), a spraying mechanism (6) is arranged on the arranging mechanism (2), and adjusting mechanisms (7) are arranged on the arranging mechanism (2) and the spraying mechanism (6);

the arranging mechanism (2) comprises an arranging box main body (202), and the bottom plate (1) is provided with the arranging box main body (202);

the spraying mechanism (6) comprises pipe joints (602), two pipe joints (602) are rotatably connected inside the placing box main body (202), a sprayer main body (601) is mounted on each pipe joint (602), a coating pipe (603) is arranged inside the placing box main body (202), and each coating pipe (603) extends and is rotatably connected inside each pipe joint (602);

adjustment mechanism (7) include second electric hydraulic cylinder (701), it is equipped with second electric hydraulic cylinder (701) to settle box main part (202) inside, be connected with connecting rod (702) on the output of second electric hydraulic cylinder (701), fixedly connected with third pinion rack (703) on the lateral wall of connecting rod (702), the inside sliding connection who settles box main part (202) has fourth pinion rack (706), be equipped with a plurality of rodent teeth (704) on coupling (602), mesh teeth (704) on two couplings (602) respectively third pinion rack (703) and fourth pinion rack (706), the tip fixedly connected with ejector pad (705) of connecting rod (702), ejector pad (705) sliding connection is inside settling box main part (202).

2. The automatic painting device of a steel structure according to claim 1, characterized in that: a through groove (707) is formed in the placing box main body (202), and two ends of the through groove (707) are respectively communicated with an inner cavity where the push block (705) is located and an inner cavity where the fourth toothed plate (706) is located.

3. The automatic painting device of a steel structure according to claim 2, characterized in that: fixedly connected with twice slide rail (201) on bottom plate (1), install two sliding frame (203) of fixedly connected with on case main part (202), two sliding frame (203) sliding connection is in twice slide rail (201) respectively.

4. The automatic painting device of a steel structure according to claim 1, characterized in that: supporting mechanism (3) are including fixed plate (301), fixedly connected with polylith fixed plate (301) on bottom plate (1), fixedly connected with riser (302), polylith on fixed plate (301) common fixedly connected with backup pad (303) on riser (302), backup pad (303) extend to the inner chamber of settling case main part (202).

5. The automatic painting device of a steel structure according to claim 4, characterized in that: a plurality of arranging blocks (304) are fixedly connected to the supporting plate (303), and the arranging blocks (304) are distributed linearly at equal intervals.

6. The automatic painting device of a steel structure according to claim 5, characterized in that: the limiting mechanism (4) comprises a first electric hydraulic cylinder (401), the first electric hydraulic cylinder (401) is arranged inside the supporting plate (303), a first toothed plate (402) is connected to the output end of the first electric hydraulic cylinder (401), a plurality of gear shafts (403) are rotatably connected inside the supporting plate (303), and the first toothed plate (402) is meshed with the gear shafts (403).

7. The automatic painting device of a steel structure according to claim 6, characterized in that: the utility model discloses a gear rack, including settling block (304), gear shaft (403), two limiting plates (406) are connected with inside sliding of settling block (304), fixedly connected with second pinion rack (405) on limiting plate (406), second pinion rack (405) sliding connection is inside settling block (304), gear shaft (403) extend to settling block (304) inside and be connected with driving gear (404), driving gear (404) mesh in two second pinion racks (405).

8. The automatic painting device of a steel structure according to claim 1, characterized in that: adsorption equipment constructs (5) including closing cap (501), install a plurality of closing caps (501) on bottom plate (1), and it is a plurality of closing cap (501) are equidistant distribution.

9. The automatic painting device of a steel structure according to claim 8, characterized in that: the inside block of bottom plate (1) has a plurality of installing frames (502), and is a plurality of installing frame (502) are located a plurality of closing cap (501) bottoms respectively, just fixedly connected with filter screen (503) on installing frame (502).

10. The automatic painting device for steel structures according to claim 9, characterized in that: the cross section of the filter screen (503) is V-shaped, and two catching grooves (504) are formed in the mounting frame (502).