CN114289969A - Make bridge with U rib bottom plate automatic centering closing device - Google Patents
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- CN114289969A CN114289969A CN202111524006.5A CN202111524006A CN114289969A CN 114289969 A CN114289969 A CN 114289969A CN 202111524006 A CN202111524006 A CN 202111524006A CN 114289969 A CN114289969 A CN 114289969A
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- hydraulic cylinder
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- 238000007789 sealing Methods 0.000 claims abstract description 24
- 230000002441 reversible effect Effects 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 50
- 238000010276 construction Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims 2
- 238000003466 welding Methods 0.000 abstract description 24
- 230000004907 flux Effects 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention discloses an automatic centering and compressing device for a U-rib bottom plate for a bridge, which comprises: the platform assembly comprises a platform body and templates arranged on two sides of the platform body, and a plurality of annular sealing plates are fixedly connected to the upper end of the platform body; the dolly subassembly includes that two set up the travelling car support body in the shrouding, and the travelling car support body is door type structure, is connected with the sliding shaft on the lateral wall of travelling car support body, and the both ends of sliding shaft run through the travelling car support body and be connected with the gyro wheel with the shrouding contact. The invention is provided with a plurality of groups of hydraulic cylinders for centering and pushing tightly, and can automatically center and clamp the U-rib bottom plate; after centering and positioning, the U-rib bottom plate can be compacted and prefabricated for reversible deformation by a compacting, centering and pushing hydraulic cylinder; the welding seam of most U rib bottom plates needs to adopt the position form of welding flux of transverse fillet welding when being welded, so that the U rib bottom plates can be overturned at a certain angle to be matched with a U rib welding machine for use.
Description
Technical Field
The invention relates to the technical field of bridge construction pressing devices, in particular to an automatic centering pressing device for a U-shaped rib bottom plate for bridge construction.
Background
The steel box girder is an important component in a bridge bearing structure, is generally an orthorhombic and heterogenous steel bridge deck and is mainly used for providing support and avoiding bridge deformation. The steel box girder generally comprises a top plate, a bottom plate and the like, wherein the top plate and the bottom plate are generally formed by welding a U rib and the bottom plate.
During welding construction, a fixing mode of sectional positioning welding is adopted, the whole U-shaped rib is easy to deflect, and the positioning accuracy is not high; meanwhile, in order to fix the U ribs, each side of each U rib is temporarily connected by a small section of positioning welding line at intervals of 500-600mm, the length of the positioning welding line is about 50mm, and the positioning welding line has the characteristics of short length, small welding feet, large quantity and low attention degree in production and manufacturing; due to the existence of the positioning welding line, when formal welding is carried out in the subsequent process, the welding line residual height of the positioning welding line part is higher, the quality and the attractiveness of the welding line are affected, and therefore the automatic centering and pressing device for the U-rib bottom plate for the bridge construction is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an automatic centering and pressing device for a U-rib bottom plate for a bridge.
In order to achieve the purpose, the invention adopts the following technical scheme:
a U rib bottom plate automatic centering closing device for making bridge includes: the platform assembly comprises a platform body and templates arranged on two sides of the platform body, and a plurality of annular sealing plates are fixedly connected to the upper end of the platform body; the trolley assembly comprises two moving trolley frame bodies arranged in a sealing plate, the moving trolley frame bodies are of door-shaped structures, sliding shafts are connected to the side walls of the moving trolley frame bodies, two ends of each sliding shaft penetrate through the moving trolley frame bodies and are connected with idler wheels in contact with the sealing plate, an adjusting unit connected with the sliding shafts is arranged on the inner walls of the sealing plates, and a pressing unit used for pressing a U-rib bottom plate is arranged at the upper end of each moving trolley frame body; the overturning assembly comprises a plurality of fixing seats arranged on the lower side of the platform body, the upper ends of the fixing seats are connected with a rotary seat, and two groups of overturning units which are opposite to each other and respectively connected with the templates on the two sides are arranged at the upper ends of the rotary seat.
Preferably, both ends of the closing plate extend to the outer side of the platform body, and the closing plate is fixedly connected with the platform body through a plurality of screws.
Preferably, the adjusting unit comprises two baffles which are symmetrically arranged in the center of the sealing plate and fixedly connected with the inner wall of the sealing plate, the two baffles are connected with centering hydraulic cylinders opposite to the sliding shaft on the side walls in a back-to-back mode, hydraulic cylinder pin shafts connected with the centering hydraulic cylinders are arranged on the side walls of the baffles, and the telescopic ends of the centering hydraulic cylinders are connected with the side walls of the sliding shaft.
Preferably, the pressing unit comprises a pressing hydraulic cylinder fixedly connected to the inner top wall of the movable trolley frame body, the telescopic end of the pressing hydraulic cylinder extends to the upper side of the movable trolley frame body and is connected with a pressing plate used for fixing the U-rib bottom plate, the pressing plate is in a trapezoid shape, and the outer end of the pressing plate extends to the two sides of the sealing plate.
Preferably, the turnover unit comprises a pin shaft rotatably connected to the upper end of the rotary seat, a shaft sleeve is sleeved on the side wall of the pin shaft, a turnover hydraulic cylinder is arranged in the shaft sleeve, and the telescopic end of the turnover hydraulic cylinder is rotatably connected with the side wall of the lower end of the template.
Preferably, the upper end of shrouding is connected with two gusset plates that set up with the clamp plate is perpendicular, the polylith the equal fixedly connected with wire net in platform body upper end in the gusset plate outside.
Preferably, the centering hydraulic cylinder, the pressing hydraulic cylinder and the turning hydraulic cylinder are respectively connected with an external controller.
Preferably, the use method of the U-rib bottom plate automatic centering and pressing device comprises the following steps:
s1, operating the controller to enable the overturning hydraulic cylinder in the overturning unit to work and overturn the platform body to a horizontal position;
s2, operating the controller to enable the centering hydraulic cylinder in the adjusting unit to work and move the movable trolley frame body to a position contacting with the inner wall of the sealing plate;
s3, hanging the prepared U-rib bottom plate into the platform body, so that the U-rib bottom plate can be positioned in the middle of the platform body in the length direction;
s4, operating the controller to enable the centering hydraulic cylinder in the adjusting unit to work, and enabling the movable trolley frame body to automatically center the U-rib bottom plate;
s5, operating the controller to enable a pressing hydraulic cylinder in the pressing unit to work, so that a pressing plate on the frame body of the moving trolley presses the U-rib bottom plate and performs reversible deformation;
and S6, operating the controller to enable the overturning hydraulic cylinder in the overturning unit to work and overturn the platform body to a required angle.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is provided with a plurality of groups of hydraulic cylinders for centering and pushing tightly, and can automatically center and clamp the U-rib bottom plate; after centering and positioning, the U-rib bottom plate can be compacted and prefabricated for reversible deformation by a compacting, centering and pushing hydraulic cylinder; the welding seam of most U rib bottom plates needs to adopt the position form of welding flux of transverse fillet welding when being welded, so that the U rib bottom plates can be overturned at a certain angle to be matched with a U rib welding machine for use.
2. The U-rib bottom plate is required to be kept in a constant state during welding, a hydraulic system for controlling the turning, pressing and clamping hydraulic cylinder adopts a positioning measure, the welding process is constant from beginning to end, in addition, the centering, pressing and turning operation can be completed only by simple operation, and no redundant operation buttons are operable by any personnel.
Drawings
FIG. 1 is a schematic structural view of an automatic centering and pressing device for a U-rib bottom plate for bridge construction, which is provided by the invention;
FIG. 2 is a schematic top view of the automatic centering and pressing device for the U-rib bottom plate for bridge construction;
fig. 3 is a partially enlarged view of a portion a in fig. 1.
Fig. 4 is a method step diagram of an automatic centering and pressing device for a U-rib bottom plate for a bridge construction.
In the figure: the device comprises a 100 platform assembly, a 101 platform body, a 102 template, a 103 closing plate, a 200 trolley assembly, a 201 moving trolley frame body, a 202 sliding shaft, a 203 roller, a 300 adjusting unit, a 301 baffle, a 302 centering hydraulic cylinder, a 400 pressing unit, a 401 pressing hydraulic cylinder, a 402 pressing plate, a 403 reinforcing plate, a 404 steel wire mesh, a 500 overturning assembly, a 501 fixing seat, a 502 rotating seat, a 600 overturning unit, a 601 pin shaft and a 602 overturning hydraulic cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, an automatic centering and pressing device for a U-rib bottom plate for bridge construction comprises: platform subassembly 100, dolly subassembly 200 and upset subassembly 500, platform subassembly 100 includes platform body 101 and sets up in the template 102 of platform body 101 both sides, a plurality of annular shrouding 103 of upper end fixedly connected with of platform body 101, and the both ends of shrouding 103 all extend to the outside of platform body 101, through a plurality of screw fixed connection between shrouding 103 and the platform body 101, the dismouting between shrouding 103 and the platform body 101 of being convenient for.
Wherein, the trolley assembly 200 comprises two trolley frame bodies 201 arranged in the sealing plate 103, the trolley frame bodies 201 are in a door-shaped structure, the side walls of the trolley frame bodies 201 are connected with sliding shafts 202, two ends of each sliding shaft 202 penetrate through the trolley frame bodies 201 and are connected with rollers 203 in contact with the sealing plate 103, the inner wall of the sealing plate 103 is provided with an adjusting unit 300 connected with the sliding shafts 202, concretely, the adjusting unit 300 comprises two baffle plates 301 which are symmetrically arranged in the center of the sealing plate 103 and are fixedly connected with the inner wall of the sealing plate 103, the side walls opposite to the two baffle plates 301 are both connected with centering hydraulic cylinders 302 opposite to the sliding shafts 202, the side walls of the baffle plates 301 are provided with hydraulic cylinder pin shafts connected with the centering hydraulic cylinders 302, the telescopic ends of the centering hydraulic cylinders 302 are connected with the side walls of the sliding shafts 202, and the position of the trolley frame bodies 201 can be adjusted under the use of the adjusting unit 300, and then can be applicable to the operation that compresses tightly of the U rib bottom plate of different width, be suitable for U rib bottom plate parameter specifically as follows: width of the bottom plate: 1500-3400 mm; length of the bottom plate: 18000mm at maximum; the turning angle is as follows: plus or minus 30 degrees; thickness of the bottom plate: maximum 30 mm; maximum load carrying: 60 tons.
Further, the upper end of travelling car support body 201 is provided with the unit 400 that compresses tightly that is used for compressing tightly the U rib bottom plate, compress tightly unit 400 and include that fixed connection compresses tightly with pneumatic cylinder 401 on the top wall in travelling car support body 201, the flexible end that compresses tightly with pneumatic cylinder 401 extends to the upside of travelling car support body 201 and is connected with the clamp plate 402 that is used for fixed U rib bottom plate, clamp plate 402 is trapezoidal form, and the outer end of clamp plate 402 all extends to the both sides of shrouding 103, specifically, the upper end of shrouding 103 is connected with two gusset plates 403 that set up perpendicularly with clamp plate 402, the equal fixedly connected with wire net 404 in platform body 101 upper end in the polylith gusset plate 403 outside, can compress tightly the operation with the U rib bottom plate after the centering under the use that compresses tightly unit 400, the stability of U rib bottom plate can be guaranteed in the operation of compressing tightly through the symmetry.
Wherein, upset subassembly 500 includes a plurality of fixing bases 501 that set up in platform body 101 downside, the upper end of fixing base 501 is connected with the seat of gyration 502, the upper end of seat of gyration 502 is provided with two sets of relative and the upset unit 600 of being connected with both sides template 102 respectively, upset unit 600 is including rotating the round pin axle 601 of connecting in the seat of gyration 502 upper end, the axle sleeve has been cup jointed on the lateral wall of round pin axle 601, be provided with upset pneumatic cylinder 602 in the axle sleeve, and the telescopic end of upset pneumatic cylinder 602 is rotated with the lower extreme lateral wall of template 102 and is connected, through setting up upset unit 600, can adjust the angle of platform body 101, and the biggest angle of regulation is 30.
The centering hydraulic cylinder 302, the pressing hydraulic cylinder 401 and the turning hydraulic cylinder 602 are respectively connected with an external controller, so that the equipment is conveniently controlled, the automation degree is improved, and the operation is simple.
Referring to fig. 1-4, the method for using the automatic centering and pressing device for the U-rib bottom plate comprises the following steps:
s1, operating the controller to enable the overturning hydraulic cylinder 602 in the overturning unit 600 to work and overturn the platform body 101 to a horizontal position;
s2, operating the controller to make the centering hydraulic cylinder 302 in the adjusting unit 300 work and move the moving cart frame 201 to a position contacting with the inner wall of the closing plate 103;
s3, hanging the prepared U-rib bottom plate into the platform body so that the U-rib bottom plate can be positioned in the middle of the platform body 101 in the length direction;
s4, operating the controller to enable the centering hydraulic cylinder 302 in the adjusting unit 300 to work, and enabling the moving trolley frame body 201 to automatically center the U-rib bottom plate;
s5, operating the controller to enable the pressing hydraulic cylinder 401 in the pressing unit 400 to work, so that the pressing plate 402 on the moving trolley frame body 201 presses the U-rib bottom plate and performs reverse deformation;
s6, operating the controller to make the turning hydraulic cylinder 601 in the turning unit 600 work and turn the platform body 101 to the required angle.
The device can achieve the following effects:
the U-rib bottom plate can be centered and clamped.
Secondly, the U-rib bottom plate can be compacted and prefabricated and deformed reversely.
And thirdly, the U rib bottom plate can be turned over at a certain angle to be matched with a U rib welding machine for use.
And fourthly, the operation is simple and can be operated by any person.
The constancy of the steel plates at the welding position.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a make bridge with U rib bottom plate automatic centering closing device which characterized in that includes:
the platform assembly (100) comprises a platform body (101) and templates (102) arranged on two sides of the platform body (101), wherein a plurality of annular closing plates (103) are fixedly connected to the upper end of the platform body (101);
the trolley assembly (200) comprises two moving trolley frame bodies (201) arranged in a sealing plate (103), the moving trolley frame bodies (201) are of door-shaped structures, the side walls of the moving trolley frame bodies (201) are connected with sliding shafts (202), two ends of each sliding shaft (202) penetrate through the moving trolley frame bodies (201) and are connected with rollers (203) in contact with the sealing plate (103), the inner wall of the sealing plate (103) is provided with an adjusting unit (300) connected with the sliding shafts (202), and the upper end of each moving trolley frame body (201) is provided with a pressing unit (400) used for pressing a U-rib bottom plate;
the overturning platform comprises an overturning assembly (500), wherein the overturning assembly (500) comprises a plurality of fixing seats (501) arranged on the lower side of the platform body (101), the upper ends of the fixing seats (501) are connected with rotary seats (502), and the upper ends of the rotary seats (502) are provided with two groups of overturning units (600) which are opposite and are respectively connected with templates (102) on two sides.
2. The automatic centering and pressing device for the U-rib bottom plate for the bridge construction as claimed in claim 1, wherein both ends of the sealing plate (103) extend to the outer side of the platform body (101), and the sealing plate (103) is fixedly connected with the platform body (101) through a plurality of screws.
3. The automatic centering and pressing device for the U-rib bottom plate for the bridge construction according to claim 1, wherein the adjusting unit (300) comprises two baffle plates (301) which are symmetrically arranged in the center of the sealing plate (103) and fixedly connected with the inner wall of the sealing plate (103), the opposite side walls of the two baffle plates (301) are respectively connected with a centering hydraulic cylinder (302) opposite to the sliding shaft (202), the side walls of the baffle plates (301) are provided with a hydraulic cylinder pin shaft connected with the centering hydraulic cylinder (302), and the telescopic end of the centering hydraulic cylinder (302) is connected with the side wall of the sliding shaft (202).
4. The automatic U-rib bottom plate centering and pressing device for the bridge construction according to claim 3, wherein the pressing unit (400) comprises a pressing hydraulic cylinder (401) fixedly connected to the inner top wall of the moving trolley frame body (201), the telescopic end of the pressing hydraulic cylinder (401) extends to the upper side of the moving trolley frame body (201) and is connected with a pressing plate (402) for fixing the U-rib bottom plate, the pressing plate (402) is in a trapezoid shape, and the outer end of the pressing plate (402) extends to two sides of the sealing plate (103).
5. The automatic U-rib bottom plate centering and pressing device for the bridge construction according to claim 4, wherein the overturning unit (600) comprises a pin shaft (601) rotatably connected to the upper end of the rotary seat (502), a shaft sleeve is sleeved on the side wall of the pin shaft (601), an overturning hydraulic cylinder (602) is arranged in the shaft sleeve, and the telescopic end of the overturning hydraulic cylinder (602) is rotatably connected with the side wall of the lower end of the template (102).
6. The automatic U-rib bottom plate centering and pressing device for the bridge construction according to claim 4, wherein two reinforcing plates (403) which are perpendicular to the pressing plate (402) are connected to the upper end of the sealing plate (103), and a steel wire mesh (404) is fixedly connected to the upper ends of the platform body (101) on the outer side of the reinforcing plates (403).
7. The automatic centering and pressing device for the U-rib bottom plate for the bridge construction according to claim 5, wherein the centering hydraulic cylinder (302), the pressing hydraulic cylinder (401) and the overturning hydraulic cylinder (602) are respectively connected with an external controller.
8. The automatic U-rib bottom plate centering and pressing device for the bridge construction according to any one of claims 1 to 7, wherein the use method of the automatic U-rib bottom plate centering and pressing device comprises the following steps:
s1, operating the controller to enable the overturning hydraulic cylinder (602) in the overturning unit (600) to work and overturn the platform body (101) to a horizontal position;
s2, operating the controller to enable the centering hydraulic cylinder (302) in the adjusting unit (300) to work and move the moving trolley frame body (201) to a position contacting with the inner wall of the sealing plate (103);
s3, hanging the prepared U-rib bottom plate into the platform body to enable the U-rib bottom plate to be positioned in the middle of the platform body (101) in the length direction;
s4, operating the controller to enable a centering hydraulic cylinder (302) in the adjusting unit (300) to work, and enabling the movable trolley frame body (201) to automatically center the U-rib bottom plate;
s5, operating the controller to enable a compaction hydraulic cylinder (401) in the compaction unit (400) to work, and enabling a pressing plate (402) on the moving trolley frame body (201) to compact the U-rib bottom plate and perform reverse deformation;
and S6, operating the controller to enable the overturning hydraulic cylinder (601) in the overturning unit (600) to work and overturn the platform body (101) to a required angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111524006.5A CN114289969A (en) | 2021-12-13 | 2021-12-13 | Make bridge with U rib bottom plate automatic centering closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111524006.5A CN114289969A (en) | 2021-12-13 | 2021-12-13 | Make bridge with U rib bottom plate automatic centering closing device |
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| Publication Number | Publication Date |
|---|---|
| CN114289969A true CN114289969A (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111524006.5A Pending CN114289969A (en) | 2021-12-13 | 2021-12-13 | Make bridge with U rib bottom plate automatic centering closing device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601566A (en) * | 2012-03-26 | 2012-07-25 | 无锡华联科技集团有限公司 | Swing type reversible deformation welding fixture for bridge plate units |
| EP2561951A1 (en) * | 2011-08-24 | 2013-02-27 | Wartmann Technologie AG | Device and method for manufacturing a butt joint between rotation-symmetrical bodies with local forming of the abutting zone of the held bodies |
| JP2017209721A (en) * | 2016-05-27 | 2017-11-30 | 村田 彰久 | Horizontal automatic welder |
| CN112692499A (en) * | 2020-12-25 | 2021-04-23 | 无锡华联科技集团有限公司 | Adjustable hydraulic anti-deformation clamp |
| CN217344253U (en) * | 2021-12-13 | 2022-09-02 | 中铁钢结构有限公司 | U rib bottom plate automatic centering and pressing device for bridge construction |
-
2021
- 2021-12-13 CN CN202111524006.5A patent/CN114289969A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2561951A1 (en) * | 2011-08-24 | 2013-02-27 | Wartmann Technologie AG | Device and method for manufacturing a butt joint between rotation-symmetrical bodies with local forming of the abutting zone of the held bodies |
| CN102601566A (en) * | 2012-03-26 | 2012-07-25 | 无锡华联科技集团有限公司 | Swing type reversible deformation welding fixture for bridge plate units |
| JP2017209721A (en) * | 2016-05-27 | 2017-11-30 | 村田 彰久 | Horizontal automatic welder |
| CN112692499A (en) * | 2020-12-25 | 2021-04-23 | 无锡华联科技集团有限公司 | Adjustable hydraulic anti-deformation clamp |
| CN217344253U (en) * | 2021-12-13 | 2022-09-02 | 中铁钢结构有限公司 | U rib bottom plate automatic centering and pressing device for bridge construction |
Non-Patent Citations (1)
| Title |
|---|
| 张庆发;: "烟大铁路轮渡栈桥钢梁制造技术", 安徽建筑, no. 02, 20 April 2007 (2007-04-20), pages 76 - 78 * |
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