CN113399157A - Manufacturing and processing equipment and processing method for large-span bridge steel structure - Google Patents
Manufacturing and processing equipment and processing method for large-span bridge steel structure Download PDFInfo
- Publication number
- CN113399157A CN113399157A CN202110670620.6A CN202110670620A CN113399157A CN 113399157 A CN113399157 A CN 113399157A CN 202110670620 A CN202110670620 A CN 202110670620A CN 113399157 A CN113399157 A CN 113399157A
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- steel structure
- span bridge
- bridge steel
- spraying
- arc
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 111
- 239000010959 steel Substances 0.000 title claims abstract description 111
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000003672 processing method Methods 0.000 title description 5
- 238000005507 spraying Methods 0.000 claims abstract description 76
- 239000011253 protective coating Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000007921 spray Substances 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 8
- 238000010276 construction Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000002444 silanisation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0285—Stands for supporting individual articles to be sprayed, e.g. doors, vehicle body parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
- B05B12/32—Shielding elements, i.e. elements preventing overspray from reaching areas other than the object to be sprayed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
- B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Bridges Or Land Bridges (AREA)
- Spray Control Apparatus (AREA)
Abstract
The invention relates to the field of steel structure machining, in particular to a large-span bridge steel structure manufacturing and machining device and a large-span bridge steel structure manufacturing and machining method. The invention can automatically carry out omnibearing spraying of the protective coating on the large-span bridge steel structure, and is suitable for popularization.
Description
Technical Field
The invention relates to the field of steel structure processing, in particular to a manufacturing and processing device and a processing method for a large-span bridge steel structure.
Background
Steel structures are structures composed of steel materials and are one of the main building structure types. The structure mainly comprises steel beams, steel columns, steel trusses and other members made of section steel, steel plates and the like, and rust removing and preventing processes such as silanization, pure manganese phosphating, washing drying, galvanization and the like are adopted. The components or parts are typically joined by welds, bolts or rivets. The self-weight of the bridge is light, the construction is simple and convenient, and the bridge is widely applied to various fields, wherein the bridge field is the most applied one.
At present, in the field of bridges, rigid structures, especially large-span bridges can be frequently used, and the steel structures of general large-span bridges are directly exposed outside and are easy to rust after being exposed to the sun and rain, so that the safety of the bridges is reduced, therefore, protective coatings are generally required to be sprayed on the surfaces of the steel structures of the large-span bridges, and the large-span bridge steel structures are generally too high after being installed and inconvenient to spray the protective coatings, so that the protective coatings are required to be sprayed before the large-span bridge steel structures are installed, the large-span bridge steel structures are generally large in size, conventional spraying devices cannot be used and can only be manually sprayed, the method is time-consuming and labor-consuming, a large amount of labor is required, and the manufacturing cost and the manufacturing period of the large-span bridge steel structures are greatly improved, and manual spraying easily causes omission in the spraying process, influences the protection effect of the protective coating, and brings inconvenience to the manufacture of the large-span bridge steel structure.
Disclosure of Invention
In order to solve the problems, the invention provides equipment and a method for manufacturing and processing a large-span bridge steel structure, which can be used for automatically spraying a protective coating on the large-span bridge steel structure in an all-round manner, greatly improves the manufacturing efficiency of the large-span bridge steel structure and reduces the manufacturing cost.
In order to achieve the above purpose, the invention adopts the following technical scheme that the manufacturing and processing equipment for the large-span bridge steel structure comprises a base, wherein one side of the base is of an arc-shaped structure, a fixed platform is fixedly installed at the top of the base, one side of the fixed platform is of the arc-shaped structure, a plurality of lifting grooves are arranged on one side of the arc-shaped structure of the fixed platform, lifting frames are slidably installed in the lifting grooves, inner grooves are formed in the fixed platform and are communicated with the lifting grooves, a plurality of first hydraulic cylinders are arranged in the inner grooves, the output ends of the first hydraulic cylinders respectively extend into the correspondingly arranged lifting grooves and are fixedly connected with the lifting frames, jacks are formed in one ends of the lifting frames, rotating shafts are rotatably connected in the jacks, rotating motors are arranged in the lifting frames, and the output ends of the rotating motors are respectively and fixedly installed on the correspondingly arranged rotating shafts, the pivot is kept away from the one end of rotating electrical machines extends jack and fixed mounting have the mount, through on the fixed station the mount can be to placing long-span bridge steel construction on the base is fixed a position and lifting, is convenient for carry out the omnidirectional spraying to long-span bridge steel construction, very big improvement protective coating's spraying effect.
The top of the fixed table is provided with a first sliding groove with an arc-shaped structure, a first electric sliding block is arranged in the first sliding groove in a sliding manner, a second sliding groove is arranged at the top of the first electric sliding block, a first spraying frame with an F-shaped structure is arranged in the second sliding groove in a sliding manner, a plurality of first spray heads are uniformly arranged on the first spraying frame, a third sliding groove with an arc-shaped structure is arranged on the side wall of one side of the arc-shaped structure of the base, a second electric sliding block is arranged in the third sliding groove in a sliding manner, a second hydraulic cylinder is fixedly arranged in the second electric sliding block, the output end of the third hydraulic cylinder penetrates through the second electric sliding block and is fixedly provided with a second spraying frame with a T-shaped structure, a fourth sliding groove with an arc-shaped structure is arranged on the side wall of one side of the arc-shaped structure of the fixed table, and one end of the second spraying frame is inserted in the fourth sliding groove, evenly be provided with a plurality of shower nozzles No. two on No. two spraying framves, through an electronic slider with the removal of No. two electronic sliders can drive a spraying frame with No. two spraying frame removal, the omnidirectional is to placing large-span bridge steel structure spraying protective coating on the base.
As a preferred technical scheme of the invention, a plurality of limiting grooves are formed in the fixing frame, air bags are arranged on the inner walls of the limiting grooves, and air pumps are arranged in the fixing frame and are respectively communicated with the air bags on the same fixing frame.
As a preferable technical scheme of the invention, the top of the base is fixedly provided with a rubber layer.
As a preferred technical scheme of the invention, a groove with an arc-shaped structure is formed in a side wall of one side of the arc-shaped structure of the fixed table, a plurality of limiting rods with the arc-shaped structure are inserted into the groove, a plurality of spring rods are uniformly inserted into the groove, one ends of the spring rods are fixedly mounted on the correspondingly arranged limiting rods, one ends of the spring rods, which are far away from the limiting rods, are rotatably connected with rollers, a second hydraulic cylinder is arranged in the fixed table, a pressing rod with an arc-shaped structure is fixedly mounted at an output end of the second hydraulic cylinder, pressing grooves are uniformly formed in the pressing rod, and the pressing grooves are respectively in concave-convex fit with the correspondingly arranged rollers.
As a preferred technical scheme of the invention, the first spraying frame is composed of a first support and a second support, the first support is arranged in a circular arc structure, a fifth sliding groove in a circular arc structure is formed in the side wall of one side of the circular arc structure of the fixed platform, a third sliding block is arranged on one side of the first support, the third sliding block is slidably mounted in the fifth sliding groove, connecting grooves are symmetrically formed in the top of the first support, the second support is in an L-shaped structure, connecting rails are symmetrically formed in the bottom of the second support, the connecting rails are respectively slidably connected in the correspondingly arranged connecting grooves, a third hydraulic cylinder is arranged at the bottom of the second support, and the output end of the third hydraulic cylinder is fixedly mounted on the first electric sliding block.
As a preferred technical scheme of the invention, one side of the arc-shaped structure of the fixed platform is provided with a third bracket with an arc-shaped structure, the bottom of the third bracket is provided with a through groove, one end of the second spraying bracket is inserted into the through groove, one side of the third bracket is provided with a plurality of supporting frames, the supporting frames are rotatably connected with rollers, the top of the inner wall of the fourth sliding groove is provided with a sixth sliding groove with an arc-shaped structure, the rollers are respectively and rollably connected into the sixth sliding groove correspondingly arranged, and one side of the third bracket, which is far away from the fixed platform, is provided with a plurality of third nozzles.
As a preferable technical scheme of the invention, a baffle is fixedly arranged at the top of the second spraying frame, and a sponge layer is arranged at the bottom of the baffle.
In addition, the invention also provides a manufacturing and processing method of the large-span bridge steel structure, which comprises the following steps:
s1, fixing a steel structure: placing the manufactured and molded long-span bridge steel structure on a base on the manufacturing and processing equipment of the long-span bridge steel structure, inserting a fixing frame into the long-span bridge steel structure, and operating the fixing frame to descend to press and fix the long-span bridge steel structure;
s2, primary spraying: after the large-span bridge steel structure in the step S1 is fixed, operating the first electric slide block to drive the first spraying frame to move, and spraying a protective coating on the large-span bridge steel structure through the first spray head while moving;
s3, secondary spraying: after the large-span bridge steel structure in above-mentioned S2 is through once the spraying and air-dry, the operation mount rises and rotates, rises to appointed height when the mount and contacts with large-span bridge steel structure once more, and the mount of continuing the operation rises, lifts up large-span bridge steel structure and risees, and No. two electronic sliders of operation drive No. two spraying framves and remove, when removing, sprays protective coating to large-span bridge steel structure once more through No. two shower nozzles.
The invention has the beneficial effects that:
1. the invention can automatically carry out omnibearing spraying of the protective coating on the large-span bridge steel structure, greatly improves the manufacturing efficiency of the large-span bridge steel structure and reduces the manufacturing cost.
2. The fixing table is designed, the large-span bridge steel structure placed on the base can be limited through the fixing table, and meanwhile the large-span bridge steel structure can be pressed and lifted through the lifting of the fixing frame, so that the protective coating can be sprayed on the large-span bridge steel structure in an all-around mode conveniently.
3. The first spraying frame and the second spraying frame are designed, the first spraying frame and the second spraying frame respectively move under the driving of the first electric sliding block and the second electric sliding block, the first spray head and the second spray head are matched to spray a large-span bridge steel structure in an all-dimensional mode, and meanwhile the first spraying frame and the second spraying frame can be adjusted according to the size of the large-span bridge steel structure, so that the high-adaptability spraying device has high adaptability.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the lifting tank of the present invention;
FIG. 3 is an enlarged partial schematic view of the invention at A of FIG. 2;
FIG. 4 is a schematic view of a portion of the first electric slider according to the present invention;
FIG. 5 is a partial schematic view of the first bracket of the present invention;
FIG. 6 is a schematic cross-sectional view of the third sliding chute of the present invention;
FIG. 7 is a schematic view of the invention in partial configuration at B of FIG. 6;
FIG. 8 is a schematic cross-sectional view of the stationary platen of the present invention;
fig. 9 is a schematic cross-sectional structure of the pressure lever of the present invention.
Fig. 10 is a schematic plan view of the third bracket of the present invention.
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 explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 10, a large-span bridge steel structure preparation processing equipment, includes base 1, and one side of base 1 is convex structure, and the top fixed mounting of base 1 has fixed station 2, and base 1 is used for playing support and fixed effect, is used for placing the large-span bridge steel structure after the shaping simultaneously, and fixed station 2 is used for spacing large-span bridge steel structure.
The top fixed mounting of base 1 has the rubber layer, and the rubber layer can play the effect of buffering, produces wearing and tearing when avoiding large-span bridge steel construction to place on base 1, can play certain limiting displacement to large-span bridge steel construction simultaneously.
One side of the fixed platform 2 is of an arc-shaped structure, one side of the arc-shaped structure of the fixed platform 2 is provided with a plurality of lifting grooves 21, lifting frames 22 are all slidably mounted in the lifting grooves 21, inner grooves 23 are formed in the fixed platform 2, the inner grooves 23 are all communicated with the lifting grooves 21, a plurality of hydraulic cylinders 24 are arranged in the inner grooves 23, the output ends of the hydraulic cylinders 24 respectively extend into the correspondingly arranged lifting grooves 21 and are fixedly connected with the lifting frames 22, one ends of the lifting frames 22 are all provided with inserting holes 25, rotating shafts 26 are all rotatably connected in the inserting holes 25, rotating motors 27 are all arranged in the lifting frames 22, the output ends of the rotating motors 27 are respectively and fixedly mounted on the correspondingly arranged rotating shafts 26, one ends of the rotating shafts 26, far away from the rotating motors 27, extend out of the inserting holes 25 and are fixedly mounted with fixed frames 28, the lifting grooves 21 are used for slidably connecting the lifting frames 22, and the hydraulic cylinders 24 can drive the lifting frames 22 to lift in the lifting grooves 21 through expansion and contraction, the crane 22 is connected with the fixing frame 28 through the rotating shaft 26, the rotating shaft 26 can rotate under the driving of the rotating motor 27, the fixing frame 28 can be driven to overturn, when the fixing frame 28 is pressed down, the large-span bridge steel structure placed on the base 1 can be pressed and fixed, when the fixing frame 28 is overturned and ascends, the large-span bridge steel structure placed on the base 1 can be lifted, the bottom of the large-span bridge steel structure is suspended, and the bottom spraying protective coating of the large-span bridge steel structure is convenient to spray.
A plurality of spacing grooves 281 have all been seted up on mount 28, all be provided with gasbag 282 on the inner wall of spacing groove 281, all be provided with the air pump 283 in the mount 28, the air pump 283 is linked together with gasbag 282 on same mount 28 respectively, spacing groove 281 is used for the joint on the steel part on the large-span bridge steel structure, the inflation can be aerifyd to gasbag 282 under the inflation effect of air pump 283, can make the inseparable laminating of gasbag 282 on the steel part on the large-span bridge steel structure, avoid the large-span bridge steel structure to produce when the lifting and rock.
A groove 4 with an arc structure is formed in the side wall of one side of the arc structure of the fixed table 2, a plurality of limiting rods 41 with the arc structure are inserted in the groove 4, a plurality of spring rods 42 are uniformly inserted in the groove 4, one ends of the spring rods 42 are fixedly arranged on the correspondingly arranged limiting rods 41, one ends of the spring rods 42 far away from the limiting rods 41 are rotatably connected with idler wheels 43, a second hydraulic cylinder 44 is arranged in the fixed table 2, a pressure rod 45 with the arc structure is fixedly arranged at the output end of the second hydraulic cylinder 44, pressure grooves 46 are uniformly formed in the pressure rod 45, the pressure grooves 46 are respectively in concave-convex fit with the correspondingly arranged idler wheels 43, the groove 4 is used for inserting the limiting rods 41, the limiting rods 41 can extend out of the groove 4 under the pushing of the spring rods 42 to limit the large-span bridge steel structure arranged on the base 1, and one side of the large-span bridge steel structure can be prevented from being directly attached to the fixed table 2, influence spraying, depression bar 45 goes up and down under the promotion of second pneumatic cylinder 44, and cooperation gyro wheel 43 can extrude spring beam 42, promotes spring beam 42 and removes, when depression bar 45 descends, can make spring beam 42 shrink and reset, drives gag lever post 41 and inserts in the recess 4.
Spout 3 of arc structure is seted up at the top of fixed station 2, slidable mounting has electronic slider 31 No. one in spout 3, spout 32 No. two has been seted up at the top of electronic slider 31, slidable mounting has spraying frame 33 of F type structure in spout 32 No. two, evenly be provided with a plurality of shower nozzles 34 on spraying frame 33, spout 3 is used for connecting and sliding electronic slider 31 No. one, electronic slider 31 is through spraying frame 33 of spout 32 slidable connection No. two, simultaneously under the removal effect of electronic slider 31, can drive spraying frame 33 synchronous motion No. one, the spraying protection coating to placing the large-span bridge steel structure on base 1 that cooperation shower nozzle 34 can be automatic.
The side wall of one side of the circular arc structure of the base 1 is provided with a third sliding groove 35 with a circular arc structure, the third sliding groove 35 is internally provided with a second electric sliding block 36 in a sliding manner, a second hydraulic cylinder 37 is fixedly arranged in the second electric sliding block 36, the output end of the third hydraulic cylinder 37 penetrates through the second electric sliding block 36 and is fixedly provided with a second spraying frame 38 with a T-shaped structure, the side wall of one side of the circular arc structure of the fixed platform 2 is provided with a fourth sliding groove 29 with a circular arc structure, one end of the second spraying frame 38 is inserted in the fourth sliding groove 29, the second spraying frame 38 is uniformly provided with a plurality of second spray nozzles 39, the third sliding groove 35 is used for connecting and moving the second electric sliding block 36, the second electric sliding block 36 is connected with the second spraying frame 38 through the second hydraulic cylinder 37, the second hydraulic cylinder 37 can drive the second spraying frame 38 to move in a telescopic manner through the telescopic manner, and can be adjusted according to the size of the large-span bridge steel structure, the spraying frame 38 is driven by the electric slide block 36 to move, and the protective coating can be sprayed on the large-span bridge steel structure again by matching with the spray head 39.
The first spraying frame 33 is composed of a first bracket 331 and a second bracket 332, the first bracket 331 is arranged in an arc structure, a fifth sliding groove 6 with an arc structure is arranged on the side wall of one side of the arc structure of the fixed table 2, a third sliding block 333 is arranged on one side of the first bracket 331, the third sliding block 333 is slidably arranged in the fifth sliding groove 6, a connecting groove 324 is symmetrically arranged at the top of the first bracket 331, the second bracket 332 is in an L-shaped structure, a connecting track 335 is symmetrically arranged at the bottom of the second bracket 332, the connecting track 335 is respectively slidably connected in the correspondingly arranged connecting groove 334, a third hydraulic cylinder 337 is arranged at the bottom of the second bracket 332, the output end of the third hydraulic cylinder 337 is fixedly arranged on the first electric sliding block 31, the first bracket 331 on the first spraying frame 33 is slidably connected with the fifth sliding groove 6 through the third sliding block 333, and the fifth sliding groove 6 supports and limits the first bracket 331 through the third sliding block 333, no. two supports 332 are connected to a support 331 through a connecting rail 335 in a sliding mode, and No. three hydraulic cylinders 337 can push the No. two supports 332 to slide in the connecting grooves 324 through stretching and retracting, and can be adjusted according to the size of a large-span bridge steel structure.
A third bracket 5 with an arc structure is arranged on one side of the arc structure of the fixed platform 2, a through groove 51 is arranged at the bottom of the third bracket 5, one end of a second spraying frame 38 is inserted in the through groove 51, a plurality of supporting frames 52 are arranged on one side of the third bracket 5, rolling wheels 53 are rotatably connected on the supporting frames 52, a sixth sliding groove 54 with an arc structure is arranged at the top of the inner wall of the fourth sliding groove 29, the rolling wheels 53 are respectively and rollingly connected in the sixth sliding groove 54 correspondingly arranged, a plurality of third spray nozzles 55 are arranged on one side of the third bracket 5 away from the fixed platform 2, the fourth sliding groove 29 is used for connecting the supporting frames 52 and the rolling wheels 53, the third bracket 5 is slidably connected on one side of the fixed platform 2 through the supporting frames 52 and the rolling wheels 53, the third bracket 5 is sleeved on the second spraying frame 38 through the through groove 51, and the third bracket 5 can be driven to synchronously move when the second spraying frame 38 moves, the third spray head 55 can be driven to spray a protective coating on one side of the large-span bridge steel structure close to the fixed platform 2.
No. two spraying frame 38's top fixed mounting has baffle 381, and the bottom of baffle 381 is provided with the sponge layer, and baffle 381 can play the effect of sheltering from when No. two spraying frame 38 spraying protective coating, avoids protective coating to splash, and protective coating can be absorbed to the sponge layer, avoids protective coating on the baffle 381 to pile up too much and produces the drippage.
In addition, the invention also provides a manufacturing and processing method of the large-span bridge steel structure, which comprises the following steps:
s1, fixing a steel structure: the large-span bridge steel structure after being manufactured and molded is placed on the base 1 of the large-span bridge steel structure manufacturing and processing equipment, the fixing frame 28 is inserted into the large-span bridge steel structure, the fixing frame 28 is operated to descend to press and fix the large-span bridge steel structure, the limiting groove 281 on the fixing frame 2 is used for being clamped on a steel piece on the large-span bridge steel structure, the air bag 282 can be inflated and expanded under the inflation action of the air pump 283, the air bag 282 can be tightly attached to the steel piece on the large-span bridge steel structure, the large-span bridge steel structure is prevented from shaking during lifting, at the moment, the limiting rod 41 can extend out of the groove 4 under the pushing of the spring rod 42 to limit the large-span steel structure placed on the base 1, and the situation that one side of the large-span bridge steel structure is directly attached to the fixing platform 2 to influence spraying can be avoided;
s2, primary spraying: after the large-span bridge steel structure in the step S1 is fixed, operating the first electric slider 31 to drive the first spraying frame 33 to move, spraying a protective coating on the large-span bridge steel structure through the first spray head 34 while moving, and adjusting the first spraying frame 33 according to the size of the large-span bridge steel structure before spraying;
s3, secondary spraying: after the large-span bridge steel structure in the S2 is sprayed once and dried in the air, the operation fixing frame 28 ascends and rotates, the fixing frame 28 ascends to a specified height and then contacts with the large-span bridge steel structure again, the operation fixing frame 28 continues to ascend, the large-span bridge steel structure is lifted and ascended, the second electric sliding block 36 is operated to drive the second spraying frame 38 to move, and when the second electric sliding block moves, the protective coating is sprayed on the large-span bridge steel structure again through the second spraying nozzle 39.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a large-span bridge steel structure preparation processing equipment, includes base (1), its characterized in that: one side of the base (1) is of an arc-shaped structure, a fixed table (2) is fixedly installed at the top of the base (1), one side of the fixed table (2) is of an arc-shaped structure, a plurality of lifting grooves (21) are arranged on one side of the arc-shaped structure of the fixed table (2), lifting frames (22) are installed in the lifting grooves (21) in a sliding mode, inner grooves (23) are formed in the fixed table (2), the inner grooves (23) are communicated with the lifting grooves (21), a plurality of first hydraulic cylinders (24) are arranged in the inner grooves (23), the output ends of the first hydraulic cylinders (24) respectively extend into the correspondingly arranged lifting grooves (21) and are fixedly connected with the lifting frames (22), jacks (25) are formed in one ends of the lifting frames (22), and rotating shafts (26) are rotatably connected in the jacks (25), rotating motors (27) are arranged in the lifting frames (22), the output ends of the rotating motors (27) are respectively and fixedly installed on the rotating shafts (26) which are correspondingly arranged, and one ends of the rotating shafts (26) far away from the rotating motors (27) extend out of the insertion holes (25) and are fixedly provided with fixing frames (28);
the top of the fixed table (2) is provided with a first sliding groove (3) of a circular arc structure, a first electric sliding block (31) is arranged in the first sliding groove (3) in a sliding manner, a second sliding groove (32) is arranged at the top of the first electric sliding block (31), a first spraying frame (33) of an F-type structure is arranged in the second sliding groove (32) in a sliding manner, a plurality of first spray heads (34) are uniformly arranged on the first spraying frame (33), a third sliding groove (35) of a circular arc structure is arranged on the side wall of one side of the circular arc structure of the base (1), a second electric sliding block (36) is arranged in the third sliding groove (35) in a sliding manner, a second hydraulic cylinder (37) is fixedly arranged in the second electric sliding block (36), and the output end of the third hydraulic cylinder (37) penetrates through the second electric sliding block (36) and is fixedly provided with a second spraying frame (38) of a T-type structure, a fourth sliding groove (29) of an arc-shaped structure is formed in the side wall of one side of the arc-shaped structure of the fixed table (2), one end of the second spraying frame (38) is inserted into the fourth sliding groove (29), and a plurality of second spray heads (39) are uniformly arranged on the second spraying frame (38).
2. The manufacturing and processing equipment for the large-span bridge steel structure according to claim 1, wherein the equipment comprises: the air bag fixing device is characterized in that the fixing frame (28) is provided with a plurality of limiting grooves (281), air bags (282) are arranged on the inner walls of the limiting grooves (281), air pumps (283) are arranged in the fixing frame (28), and the air pumps (283) are respectively communicated with the air bags (282) on the same fixing frame (28).
3. The manufacturing and processing equipment for the large-span bridge steel structure according to claim 1, wherein the equipment comprises: the top of the base (1) is fixedly provided with a rubber layer.
4. The manufacturing and processing equipment for the large-span bridge steel structure according to claim 1, wherein the equipment comprises: the fixing table comprises a fixing table body (2), and is characterized in that a groove (4) of an arc-shaped structure is formed in the side wall of one side of the arc-shaped structure of the fixing table body (2), a plurality of limiting rods (41) of the arc-shaped structure are inserted into the groove (4), a plurality of spring rods (42) are uniformly inserted into the groove (4), one ends of the spring rods (42) are fixedly mounted on the corresponding limiting rods (41), the spring rods (42) are far away from one ends of the limiting rods (41) and are connected with idler wheels (43) in a rotating mode, a second hydraulic cylinder (44) is arranged in the fixing table body (2), a pressing rod (45) of the arc-shaped structure is fixedly mounted at the output end of the second hydraulic cylinder (44), pressing grooves (46) are uniformly formed in the pressing rod (45), and the pressing grooves (46) are matched with the idler wheels (43) in a concave-convex mode.
5. The manufacturing and processing equipment for the large-span bridge steel structure according to claim 1, wherein the equipment comprises: the first spraying frame (33) consists of a first bracket (331) and a second bracket (332), the first bracket (331) is arranged in a circular arc structure, a fifth sliding groove (6) in a circular arc structure is arranged on the side wall of one side of the circular arc structure of the fixed platform (2), a third sliding block (333) is arranged on one side of the first support (331), the third sliding block (333) is slidably arranged in the fifth sliding groove (5), the top of the first bracket (331) is symmetrically provided with connecting grooves (324), the second bracket (332) is of an L-shaped structure, the bottom of the second bracket (332) is symmetrically provided with connecting rails (335), the connecting tracks (335) are respectively connected in a sliding way in the correspondingly arranged connecting grooves (334), the bottom of No. two supports (332) is provided with No. three pneumatic cylinders (337), the output fixed mounting of No. three pneumatic cylinders (337) is in on electric slider (31).
6. The manufacturing and processing equipment for the large-span bridge steel structure according to claim 1, wherein the equipment comprises: one side of circular arc structure of fixed station (2) be provided with No. three support (5) of arc structure, logical groove (51) have been seted up to the bottom of No. three support (5), the one end of No. two spraying frame (38) is inserted and is established lead to in groove (51), one side of No. three support (5) is provided with a plurality of support frames (52), all rotate on support frame (52) and be connected with gyro wheel (53), No. six spout (54) of arc structure have been seted up at the top of the inner wall of No. four spout (29), gyro wheel (53) roll connection respectively correspond the setting in No. six spout (54), No. three support (5) are kept away from one side of fixed station (2) is provided with a plurality of shower nozzles (55).
7. The manufacturing and processing equipment for the large-span bridge steel structure according to claim 1, wherein the equipment comprises: the top fixed mounting of No. two spraying frame (38) have baffle (381), the bottom of baffle (381) is provided with the sponge layer.
8. The manufacturing and processing equipment for the large-span bridge steel structure according to claim 1, wherein the equipment comprises: the method for processing the large-span bridge steel structure by using the manufacturing and processing equipment for the large-span bridge steel structure comprises the following steps:
s1, fixing a steel structure: placing the manufactured and molded long-span bridge steel structure on a base (1) of the manufacturing and processing equipment of the long-span bridge steel structure, inserting a fixing frame (28) into the long-span bridge steel structure, and operating the fixing frame (28) to descend to press and fix the long-span bridge steel structure;
s2, primary spraying: after the large-span bridge steel structure in the S1 is fixed, operating the first electric slide block (31) to drive the first spraying frame (33) to move, and spraying a protective coating on the large-span bridge steel structure through the first spray head (34) while moving;
s3, secondary spraying: after the large-span bridge steel structure in the S2 is sprayed for one time and dried in the air, the operation fixing frame (28) ascends and rotates, the fixing frame (28) ascends to a specified height and then contacts with the large-span bridge steel structure again, the fixing frame (28) continues to ascend, the large-span bridge steel structure is lifted and lifted, the second electric sliding block (36) is operated to drive the second spraying frame (38) to move, and when the large-span bridge steel structure moves, the protective coating is sprayed to the large-span bridge steel structure again through the second spraying nozzle (39).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118513183A (en) * | 2024-07-22 | 2024-08-20 | 安徽省中达桥梁钢构工程有限公司 | Outdoor spraying platform of sunning integral type steel construction bridge |
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| KR19980014141A (en) * | 1996-08-08 | 1998-05-15 | 신장철 | Bottom side of running bridge of lower bridge |
| DE212018000058U1 (en) * | 2017-12-27 | 2019-03-01 | Kunshan Dingniu Shizheng Construction Co., Ltd. | Expansion joint structure of a bridge |
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| CN113399157B (en) | 2024-04-02 |
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