CN114571175B - A bridge steel box girder diaphragm and bottom plate assembly system - Google Patents
A bridge steel box girder diaphragm and bottom plate assembly system Download PDFInfo
- Publication number
- CN114571175B CN114571175B CN202210333776.XA CN202210333776A CN114571175B CN 114571175 B CN114571175 B CN 114571175B CN 202210333776 A CN202210333776 A CN 202210333776A CN 114571175 B CN114571175 B CN 114571175B
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- box girder
- steel box
- bridge steel
- bottom plate
- baffle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
本发明公开了一种桥梁钢箱梁隔板与底板装配系统，其包括：底板支承块，其用于支承桥梁钢箱梁底板；直线导轨，其设置于被底板支承块支承的桥梁钢箱梁底板的侧部；隔板支撑肋，其连接桥梁钢箱梁隔板的表面；隔板底部卡槽，其开设在桥梁钢箱梁隔板底部；底板板肋，其垂直连接桥梁钢箱梁底板，用于与所述隔板底部卡槽配合；隔板支撑机构，其用于当某一桥梁钢箱梁隔板的隔板底部卡槽与桥梁钢箱梁底板的底板板肋配合后，通过与所述隔板支撑肋的配合对该桥梁钢箱梁隔板进行支撑，以完成桥梁钢箱梁隔板在桥梁钢箱梁底板上的定位。其可实现钢箱梁隔板、底板的快速装配，且保证底板、隔板的焊接装配质量和精度。
The present invention discloses a bridge steel box girder diaphragm and bottom plate assembly system, which includes: a bottom plate support block, which is used to support the bridge steel box girder bottom plate; a linear guide rail, which is arranged on the side of the bridge steel box girder bottom plate supported by the bottom plate support block; a diaphragm support rib, which is connected to the surface of the bridge steel box girder diaphragm; a diaphragm bottom clamping groove, which is opened at the bottom of the bridge steel box girder diaphragm; a bottom plate plate rib, which is vertically connected to the bridge steel box girder bottom plate, and is used to cooperate with the diaphragm bottom clamping groove; a diaphragm support mechanism, which is used to support the bridge steel box girder diaphragm through cooperation with the diaphragm support rib when the diaphragm bottom clamping groove of a certain bridge steel box girder diaphragm cooperates with the bottom plate plate rib of the bridge steel box girder bottom plate, so as to complete the positioning of the bridge steel box girder diaphragm on the bridge steel box girder bottom plate. It can realize the rapid assembly of the steel box girder diaphragm and the bottom plate, and ensure the welding assembly quality and precision of the bottom plate and the diaphragm.
Description
Technical Field
The invention relates to the field of equipment manufacturing, in particular to a bridge steel box girder partition plate and bottom plate assembly system.
Background
The bridge steel box girder is generally formed by connecting a bottom plate, a web plate, a diaphragm plate, a longitudinal baffle plate and the like in a full welding mode, wherein each plate needs to be assembled and then welded.
When assembling diaphragm, bottom plate, the mode that adopts at present is that adopts lifting device to remove it to the bottom plate top, then lifting device descends for the diaphragm falls on the bottom plate, but this kind of mode can only guarantee that the diaphragm falls on the bottom plate, and can't carry out the accurate adjustment to its position, lead to producing great assembly error from this, influence the whole quality of steel box girder, such as stress effect and structural strength etc. simultaneously, because diaphragm's quantity is more, and just can only fix a position diaphragm one by one at present, it further leads to steel box girder production inefficiency, can't adapt to batch production's demand.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a bridge steel box girder partition plate and bottom plate assembly system which can realize the rapid assembly of the steel box girder partition plate and the bottom plate and ensure the welding assembly quality and precision of the bottom plate and the partition plate.
In order to achieve the above purpose, the present invention provides the following technical solutions:
There is provided a bridge steel box girder spacer and floor assembly system comprising:
the bottom plate supporting block is used for supporting the bridge steel box girder bottom plate;
the linear guide rail is arranged at the side part of the bridge steel box girder bottom plate supported by the bottom plate supporting block and extends along the length direction of the bottom plate;
The baffle support ribs are connected with the surfaces of the bridge steel box girder baffles;
The clamping groove at the bottom of the partition plate is formed at the bottom of the bridge steel box girder partition plate;
The bottom plate rib is vertically connected with the bottom plate of the bridge steel box girder and is used for being matched with the clamping groove at the bottom of the partition plate;
and the baffle supporting mechanism is used for supporting the bridge steel box girder baffle plate through the cooperation of the baffle supporting ribs after the baffle bottom clamping groove of the bridge steel box girder baffle plate is matched with the bottom plate rib of the bridge steel box girder bottom plate so as to finish the positioning of the bridge steel box girder baffle plate on the bridge steel box girder bottom plate.
Preferably, the baffle supporting mechanism comprises a hydraulic ejector rod, one end of the hydraulic ejector rod is matched with a baffle supporting rib on the surface of the bridge steel box girder baffle, and the other end of the hydraulic ejector rod is detachably connected with the surface of the bridge steel box girder bottom plate.
Preferably, the bridge steel box girder partition plate and bottom plate assembly system further comprises:
a moving unit which is engaged with the linear guide rail and is slidable along the linear guide rail;
And the baffle positioning and clamping assembly is connected with the moving unit and is used for clamping the side part of a certain bridge steel box girder baffle after the bridge steel box girder baffle is supported by the baffle supporting mechanism.
Preferably, the baffle positioning and clamping assembly comprises a mounting frame, a clamping jaw driving mechanism connected to the mounting frame, clamping jaws connected to the clamping jaw driving mechanism and capable of being opened and closed under the control of the clamping jaw driving mechanism so as to clamp/release the side part of the bridge steel box girder baffle, and a pushing mechanism mounted on the moving unit and connected to the mounting frame and used for driving the mounting frame, the clamping jaw driving mechanism and the clamping jaws to synchronously move towards/away from the side part of the bridge steel box girder baffle.
Preferably, the clamping jaw driving mechanism and the clamping jaw are all provided with a plurality of clamping jaw driving mechanisms, the clamping jaw driving mechanisms are sequentially connected to the mounting frame from top to bottom in the height direction, and each clamping jaw is correspondingly connected with a clamping jaw driving mechanism.
Preferably, the upper end surface of the bottom plate supporting block extends out of an inclined guide plate.
Preferably, the number of the bottom plate supporting blocks is several, and the bottom plate supporting blocks are arranged along the length direction and/or the width direction of the bottom plate of the bridge steel box girder.
Preferably, the linear guide rail has two groups, and is respectively positioned at two sides of the bottom plate supporting block.
Preferably, the assembly system of the bridge steel box girder partition plate and the bottom plate further comprises a bottom plate height adjusting mechanism, wherein the bottom plate height adjusting mechanism is arranged below the bridge steel box girder bottom plate and used for adjusting the height position of the bridge steel box girder bottom plate.
Preferably, the bridge steel box girder partition plate and bottom plate assembly system further comprises a control system, wherein the control system is connected with the plurality of partition plate supporting mechanisms and used for controlling the plurality of partition plate supporting mechanisms to act simultaneously.
Compared with the prior art, the invention can be matched with hoisting equipment to rapidly complete the assembly of the partition board and the bottom board so as to greatly improve the working efficiency, meanwhile, the partition board can be precisely positioned through the partition board supporting mechanism, the perpendicularity of the bottom board and the partition board is ensured, and further, the assembly precision of the bottom board and the partition board is ensured through the movable partition board positioning and clamping assembly, so that the welding assembly quality is ensured.
Drawings
FIG. 1 is an overall block diagram of a bridge steel box girder;
FIG. 2 is an overall construction view of a separator;
FIG. 3 is an overall block diagram of the base plate;
FIG. 4 is an overall block diagram of a bridge steel box girder spacer and floor assembly system at one view angle;
FIG. 5 is an overall block diagram of the bridge steel box girder spacer and floor assembly system at another view angle;
fig. 6 is a schematic view of a partial structure at a in fig. 4.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
As shown in figures 1-3, the bridge steel box girder comprises a bottom plate 1, a corrugated steel web 2, a connecting plate 4 and two partition plates 3, wherein the top of the corrugated steel web 2 is vertically connected with the bottom of the bottom plate 1, the connecting plate 4 is vertically connected with the bottom of the corrugated steel web 2, the corrugated steel web 2 is provided with two groups and is relatively parallel, each partition plate 3 is positioned between the two groups of corrugated steel webs 2, and each partition plate 3 is vertical or nearly vertical to the corrugated steel web 2 at two sides.
On the basis, the embodiment provides a bridge steel box girder partition plate and bottom plate assembly system, as shown in fig. 4-5, which comprises:
a base plate supporting block 10 for supporting the base plate 1, wherein in this embodiment, a plurality of the base plate supporting blocks 10 are provided along a length direction and/or a width direction of the base plate 1;
A linear guide 20 provided on a side portion of the base plate 1 supported by the base plate support block 10 and extending in a longitudinal direction of the base plate 1, wherein in the present embodiment, the linear guide 20 is provided in two groups, which are respectively located on both sides of the base plate support block 10 and the base plate 1;
A separator support rib 70 connected to a surface of the separator 3;
A baffle bottom clamping groove 30 which is arranged at the bottom of the baffle 3;
A bottom plate rib 40 vertically connected to the bottom plate 1 for being engaged with the separator bottom card slot 30;
A partition board supporting mechanism 50 for supporting a partition board 3 by being engaged with the partition board supporting ribs 70 after the partition board bottom engaging groove 30 of the partition board 3 is engaged with (e.g., engaged with) the bottom board rib 40 of the bottom board 1 so that the partition board 3 is kept perpendicular to the bottom board 1 to complete the positioning of the partition board 3 on the bottom board 1;
A moving unit 60 which is engaged with the linear guide 20 through a slider 601 and is slidable along the linear guide 20;
The baffle positioning and clamping assembly is connected with the moving unit 60 and is used for clamping the side part of a certain baffle 3 after the baffle 3 is supported by the baffle supporting mechanism 50, preventing the baffle 3 from tilting, facilitating the subsequent welding of the joint of the bottom plate 1 and the baffle 3 by the welding unit and ensuring the assembly precision;
and a bottom plate height adjusting mechanism 80 (e.g., a telescopic cylinder, etc.) provided below the bottom plate 1 for adjusting the height position of the bottom plate 1.
When the lifting device is used, firstly, the bottom plate 1 is moved to the position above the bottom plate supporting block 10 through the travelling crane lifting device, and then the bottom plate 1 slowly falls down, so that the bottom plate 1 is supported by the bottom plate supporting block 10;
Lifting a partition plate 3 above the bottom plate 1 by using crane lifting equipment, and slowly falling the partition plate 3 until the clamping groove 30 at the bottom of the partition plate is matched (e.g. clamped) with the bottom plate rib 40;
The partition board 3 is supported by using a partition board supporting mechanism 50, and the partition board 3 is kept vertical to the bottom board main body 11 of the bottom board 1 by fine adjustment of the partition board supporting mechanism 50 so as to finish positioning of the partition board 3 on the bottom board 1, and then the hoisting equipment is removed;
The baffle plate positioning and clamping assembly and the moving unit 60 integrally slide to the side part of the baffle plate 3 along the linear guide rail 20, the baffle plate 3 is clamped by the baffle plate positioning and clamping assembly, and then the baffle plate supporting mechanism 50 is removed;
The welding unit is used for welding the joint of the bottom plate 1 and the partition plate 3, and after the welding is finished, the partition plate positioning and clamping assembly is used for releasing the clamping of the partition plate 3 to release the welded partition plate 3, so that the assembly of the bottom plate 1 and the partition plate 3 is finished;
The above steps are repeated to complete the assembly of the plurality of partitions 3 with the base plate 1.
From this, in the assembly system of this embodiment, can cooperate lifting device to accomplish the assembly of baffle 3, bottom plate 1 fast to improve work efficiency by a wide margin, simultaneously, accessible baffle supporting mechanism 50 carries out the accurate positioning to this baffle 3, guarantees assembly quality, and is further, still through mobilizable baffle location clamping assembly assurance bottom plate 1, baffle 3's assembly precision.
Example 2:
This embodiment differs from embodiment 1 only in that the diaphragm positioning and clamping assembly includes a mounting frame 300, a jaw driving mechanism 301 (such as a cylinder or the like) connected to the mounting frame 300, a jaw 302 connected to the jaw driving mechanism 301 and openable and closable under the control of the jaw driving mechanism 301 to effect clamping/releasing of the side portion of the diaphragm 3, and a pushing mechanism 303 (such as a cylinder, a hydraulic cylinder or the like) mounted on the moving unit 60 and connected to the mounting frame 300 for driving the mounting frame 300, the jaw driving mechanism 301, the jaw 302 to move synchronously toward/away from the side portion of the diaphragm 3.
The baffle positioning clamping assembly and the moving unit 60 integrally slide to the side part of the baffle 3 along the linear guide rail 20, the clamping jaw driving mechanism 301 drives the clamping jaw 302 to open, then the pushing mechanism 303 drives the mounting frame 300, the clamping jaw driving mechanism 301 and the clamping jaw 302 to synchronously move towards the baffle 3 through telescopic movement, the clamping jaw driving mechanism 301 drives the clamping jaw 302 to close again so as to clamp the baffle 3, after the joint of the bottom plate 1 and the baffle 3 is welded, the clamping jaw driving mechanism 301 drives the clamping jaw 302 to open again, and the pushing mechanism 303 drives the mounting frame 300, the clamping jaw driving mechanism 301 and the clamping jaw 302 to synchronously move away from the baffle 3 through telescopic movement so as to release the welded baffle 3.
Example 3:
The difference between this embodiment and the embodiment 1 or 2 is that, as shown in fig. 6, there are a plurality (e.g. 3) of the clamping jaw driving mechanisms 301, and the mounting frame 300 is sequentially connected from top to bottom in the height direction, and there are a plurality (e.g. 3) of the clamping jaws 302 correspondingly, and each clamping jaw 302 is correspondingly connected to a clamping jaw driving mechanism 301, so that different positions of the side portion of the partition board 3 can be clamped by the plurality of clamping jaws 302 arranged along the height direction, so as to firmly fix the relative positions of the partition board 3 and the bottom board 1, avoiding the position deviation in the welding process, and affecting the welding quality.
Example 4:
The present embodiment differs from any of embodiments 1 to 3 only in that, as shown in fig. 4, an inclined guide plate 101 extends from the upper end surface of the base plate supporting block 10, so that the base plate 1 can slide down on the base plate supporting block 10 along the inclined guide plate 101 to be supported by the base plate supporting block 10, thereby realizing rapid positioning of the base plate 1.
Example 5:
The present embodiment differs from any of embodiments 1 to 4 only in that the bridge steel box girder spacer and floor assembly system in the present embodiment further includes:
And the control system is connected with the plurality of baffle supporting mechanisms 50 and is used for controlling the plurality of baffle supporting mechanisms 50 to act simultaneously so as to realize the simultaneous adjustment of the positions of the plurality of baffles 3, thereby greatly improving the working efficiency.
In summary, the assembly system of the bridge steel box girder partition plate and the bottom plate can be matched with the hoisting equipment to rapidly complete the assembly of the partition plate 3 and the bottom plate 1 so as to greatly improve the working efficiency, meanwhile, the partition plate 3 can be precisely positioned through the partition plate supporting mechanism 50, the perpendicularity of the bottom plate 1 and the partition plate 3 is ensured, and further, the assembly precision of the bottom plate 1 and the partition plate 3 is ensured through the movable partition plate positioning and clamping assembly, so that the welding assembly quality is ensured.
It should be noted that the technical features in the above embodiments 1 to 5 may be combined at will, and the combined technical solutions all belong to the protection scope of the present application. In this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A bridge steel box girder spacer and floor assembly system, comprising:
the bottom plate supporting block is used for supporting the bridge steel box girder bottom plate;
The linear guide rail is arranged at the side part of the bridge steel box girder bottom plate supported by the bottom plate supporting block and extends along the length direction of the bridge steel box girder bottom plate;
The baffle support ribs are connected with the surfaces of the bridge steel box girder baffles;
The clamping groove at the bottom of the partition plate is formed at the bottom of the bridge steel box girder partition plate;
The bottom plate rib is vertically connected with the bottom plate of the bridge steel box girder and is used for being matched with the clamping groove at the bottom of the partition plate;
The baffle support mechanism is used for supporting the bridge steel box girder baffle plate through the cooperation of the baffle support rib after the baffle bottom clamping groove of a certain bridge steel box girder baffle plate is matched with the bottom plate rib of the bridge steel box girder bottom plate so as to finish the positioning of the bridge steel box girder baffle plate on the bridge steel box girder bottom plate;
a moving unit which is engaged with the linear guide rail and is slidable along the linear guide rail;
The two groups of baffle positioning and clamping assemblies are connected with the moving unit and are used for respectively and correspondingly clamping one side part of a certain bridge steel box girder baffle after the bridge steel box girder baffle is supported by the baffle supporting mechanism;
And a control system connected with the plurality of baffle supporting mechanisms and used for controlling the plurality of baffle supporting mechanisms to act simultaneously;
The baffle supporting mechanism comprises a hydraulic ejector rod, one end of the hydraulic ejector rod is matched with a baffle supporting rib on the surface of the bridge steel box girder baffle, and the other end of the hydraulic ejector rod is detachably connected with the surface of the bridge steel box girder bottom plate;
The baffle positioning and clamping assembly comprises a mounting frame, a clamping jaw driving mechanism connected to the mounting frame, clamping jaws connected to the clamping jaw driving mechanism and capable of being opened and closed under the control of the clamping jaw driving mechanism to clamp/release the side part of the bridge steel box girder baffle, and a pushing mechanism mounted on the moving unit and connected to the mounting frame and used for driving the mounting frame, the clamping jaw driving mechanism and the clamping jaws to synchronously move towards/away from the side part of the bridge steel box girder baffle.
2. The assembly system of the bridge steel box girder partition plate and the bottom plate according to claim 1, wherein the number of the clamping jaw driving mechanisms and the clamping jaw driving mechanisms are all several, the clamping jaw driving mechanisms are sequentially connected to the mounting frame from top to bottom in the height direction, and each clamping jaw is correspondingly connected with one clamping jaw driving mechanism.
3. The bridge steel box girder spacer and baseplate assembly system of claim 1, wherein said baseplate support block upper end surface extends beyond an angled guide plate.
4. The bridge steel box girder spacer and bedplate assembly system of claim 1, wherein a plurality of bedplate support blocks are provided and positioned along the length and/or width of the bridge steel box girder bedplate.
5. The bridge steel box girder spacer and floor assembly system of claim 1 wherein said linear guide is provided in two sets on either side of the floor support block.
6. The bridge steel box girder spacer and baseplate assembly system of claim 1, further comprising a baseplate height adjustment mechanism disposed below the bridge steel box girder baseplate for adjusting the height position of the bridge steel box girder baseplate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111444841.8A CN114310101A (en) | 2021-11-30 | 2021-11-30 | Bridge steel box girder partition plate and bottom plate assembly system |
| CN2021114448418 | 2021-11-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114571175A CN114571175A (en) | 2022-06-03 |
| CN114571175B true CN114571175B (en) | 2025-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111444841.8A Pending CN114310101A (en) | 2021-11-30 | 2021-11-30 | Bridge steel box girder partition plate and bottom plate assembly system |
| CN202210333776.XA Active CN114571175B (en) | 2021-11-30 | 2022-03-30 | A bridge steel box girder diaphragm and bottom plate assembly system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111444841.8A Pending CN114310101A (en) | 2021-11-30 | 2021-11-30 | Bridge steel box girder partition plate and bottom plate assembly system |
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| CN (2) | CN114310101A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115418976B (en) * | 2022-09-05 | 2024-06-07 | 中电建路桥集团有限公司 | Auxiliary construction bed-jig is assembled fast to little space steel bent cap |
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| CN212025884U (en) * | 2020-02-28 | 2020-11-27 | 广西路桥工程集团有限公司 | Long span arch bridge steel box girder |
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| CN113634967A (en) * | 2021-07-26 | 2021-11-12 | 甘肃博睿交通重型装备制造有限公司 | Positioning and assembling device for corrugated steel web and top plate |
| CN216405135U (en) * | 2021-11-30 | 2022-04-29 | 华工科技产业股份有限公司 | A baffle anchor clamps that is used for bridge steel case roof beam baffle to assemble |
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| JP3184577B2 (en) * | 1991-10-28 | 2001-07-09 | 石川島播磨重工業株式会社 | Automatic steel plate panel welding equipment |
| KR100423205B1 (en) * | 2001-04-06 | 2004-03-24 | 고려개발 주식회사 | A welding system of a vertical rib for a bridge structure |
| CN104057189B (en) * | 2014-05-23 | 2016-05-25 | 浙江东南网架股份有限公司 | A kind of U-shaped section structural member, jig frame special and processing erection method thereof |
| CN207548003U (en) * | 2017-11-17 | 2018-06-29 | 中铁十一局集团汉江重工有限公司 | A kind of assembled moulding bed of U ribs assembling |
| CN212641167U (en) * | 2020-04-10 | 2021-03-02 | 厦门新长诚钢构工程有限公司 | Curve steel box bridge through flip-chip preparation |
| CN111975278B (en) * | 2020-10-26 | 2021-06-04 | 中铁隧道局集团路桥工程有限公司 | Splicing welding jig frame for steel box girder and splicing welding process thereof |
| CN214264490U (en) * | 2020-12-16 | 2021-09-24 | 江苏百崮钢结构工程有限公司 | Anti-deformation jig frame for steel box girder plate unit |
| CN113186794B (en) * | 2021-04-16 | 2022-09-06 | 中铁十六局集团有限公司 | Construction method of corrugated steel web reinforced concrete combined prestressed box girder |
-
2021
- 2021-11-30 CN CN202111444841.8A patent/CN114310101A/en active Pending
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2022
- 2022-03-30 CN CN202210333776.XA patent/CN114571175B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212025884U (en) * | 2020-02-28 | 2020-11-27 | 广西路桥工程集团有限公司 | Long span arch bridge steel box girder |
| CN214365060U (en) * | 2020-09-28 | 2021-10-08 | 中铁南方工程装备有限公司 | Steel case roof beam equipment pull rod |
| CN113634967A (en) * | 2021-07-26 | 2021-11-12 | 甘肃博睿交通重型装备制造有限公司 | Positioning and assembling device for corrugated steel web and top plate |
| CN216405135U (en) * | 2021-11-30 | 2022-04-29 | 华工科技产业股份有限公司 | A baffle anchor clamps that is used for bridge steel case roof beam baffle to assemble |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114310101A (en) | 2022-04-12 |
| CN114571175A (en) | 2022-06-03 |
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