CN107858924B - Bridge provided with telescopic construction platform - Google Patents
Bridge provided with telescopic construction platform Download PDFInfo
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- CN107858924B CN107858924B CN201711013460.8A CN201711013460A CN107858924B CN 107858924 B CN107858924 B CN 107858924B CN 201711013460 A CN201711013460 A CN 201711013460A CN 107858924 B CN107858924 B CN 107858924B
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- telescopic
- plates
- telescopic frame
- frame
- bracket
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- 238000010276 construction Methods 0.000 title abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 16
- 230000000670 limiting effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 abstract description 5
- 238000003466 welding Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The application discloses a bridge provided with a telescopic construction platform, and relates to the field of bridge construction, comprising a track, a frame body and at least one telescopic component, wherein the track comprises at least two guide rails which are arranged side by side; the frame body is arranged on the two guide rails in a sliding mode, and comprises a first bracket and a second bracket which are distributed up and down; the telescopic assembly comprises a horizontally arranged telescopic frame and an operation platform arranged on the telescopic frame, the telescopic frame is arranged on the frame body in a sliding mode, and the telescopic frame can horizontally move along the direction perpendicular to the guide rail. The telescopic construction platform provided by the application has the advantages of high construction efficiency, wide construction range, great saving of manpower and material resources, large operation space and convenience for construction operation.
Description
Technical Field
The application relates to the field of bridge construction, in particular to a bridge provided with a telescopic construction platform.
Background
The steel truss bridge is a common structural form of a heavy-load bridge, and particularly has the characteristics of light self weight, high rigidity, material saving and cost reduction in the double-deck bridge design, and the rod pieces are connected by high-strength bolts, so that the node plates are multiple and scattered.
Currently, in double-deck bridge erection, in order to bolt-weld a steel truss of an upper deck bridge, a temporary hanger is generally erected on a lower deck bridge, and is used as a bolt-welding construction platform. However, on the one hand, because the steel truss upper gusset plate is very many, and the position distribution is different, in the in-process of bolt welding, need hang repeatedly to establish and demolish interim stores pylon, complex operation wastes time and energy, on the other hand, interim stores pylon is the truss structure of assembling from top to bottom generally, and operating space is narrow, is inconvenient for construction operation, leads to, and the operating efficiency is low, and the steadiness is poor, and the security risk is high.
Disclosure of Invention
Aiming at the defects in the prior art, the application aims to provide the bridge provided with the telescopic construction platform, which has the advantages of high construction efficiency, wide construction range, great saving of manpower and material resources, large operation space and convenience in construction operation.
In order to achieve the above purpose, the application adopts the following technical scheme:
a retractable construction platform, comprising:
a track comprising at least two guide rails arranged side by side;
the frame body is arranged on the two guide rails in a sliding mode, and comprises a first bracket and a second bracket which are distributed up and down;
the telescopic assembly comprises a horizontally arranged telescopic frame and an operation platform arranged on the telescopic frame, the telescopic frame is arranged on the frame body in a sliding mode, and the telescopic frame can horizontally move along the direction perpendicular to the guide rail.
On the basis of the technical scheme, at least four running wheels are arranged at the bottom of the first support, and the first support is arranged on the guide rail in a sliding mode through the running wheels.
On the basis of the technical scheme, the second support and the telescopic frame are of frame structures, and the telescopic frame is slidably sleeved in the second support.
On the basis of the technical scheme, the bottom of the telescopic frame is provided with at least two channel steels which are arranged in parallel, the second bracket is internally provided with roller groups with the same number as the channel steels, each roller group comprises a plurality of rollers which are arranged in parallel, and the channel steels are correspondingly arranged on one roller group in a group.
On the basis of the technical scheme, two inner sides of the second bracket are provided with a plurality of limiting angle steels used for limiting the horizontal position of the telescopic bracket.
On the basis of the technical scheme, the telescopic assembly further comprises a lifting mechanism capable of stretching up and down, the lifting mechanism is arranged on the telescopic frame in a sliding mode, and the operation platform 31 is arranged at the top of the lifting mechanism.
On the basis of the technical scheme, two ends of the telescopic frame along the movement direction are respectively provided with a limit stop used for limiting the movement range of the telescopic frame.
On the basis of the technical scheme, two telescopic assemblies which are arranged side by side are arranged on the frame body.
The application also provides a bridge provided with the telescopic construction platform, the bridge comprises a plurality of longitudinal beams, and the guide rail is arranged on one longitudinal beam.
On the basis of the technical scheme, the longitudinal beam comprises an upper flange plate, a supporting device is arranged between the upper flange plate and the guide rail, the supporting device comprises a first plate arranged above the upper flange plate, two second plates arranged below the upper flange plate and two third plates respectively arranged on two sides of the upper flange plate, the second plates and the third plates are respectively arranged at two ends of the first plates, the second plates are sequentially connected with the third plates and the first plates from bottom to top, an accommodating cavity is formed by combining inner side walls of the first plates, the second plates and the third plates, and the upper flange plates are clamped in the accommodating cavity.
Compared with the prior art, the application has the advantages that:
(1) The working platform in the telescopic construction platform can move along the direction of the guide rail and can move in a telescopic way along the direction perpendicular to the guide rail, so that the construction range of operators is wide, repeated hanging or dismounting is not needed, bolt welding can be carried out on the node plates distributed at different positions only by moving, the construction efficiency is high, manpower and material resources are saved, and compared with a common truss structure assembled up and down, the working platform can extend to the outer side of the frame body, so that the operation space is large, and the construction operation is convenient.
(2) In the telescopic construction platform, the telescopic frame is sleeved in the second bracket in a sliding manner, and through the matched use of the channel steel and the roller group, the construction platform is firm in structure, small in friction force and better in sliding effect.
(3) The working platform is arranged on the lifting mechanism, the height of the working platform is adjusted through the up-and-down telescopic movement of the lifting mechanism, the node plates with different heights can be constructed, and the construction efficiency is higher.
(4) The two telescopic components arranged side by side are arranged on the frame body, so that the construction operation can be performed on the node plates positioned on two sides of the construction platform, the application range is wider, the application is convenient, the simultaneous construction of multiple people can be realized, and the construction efficiency is high.
Drawings
FIG. 1 is a front view of a telescoping work platform according to an embodiment of the present application;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a side view of a second bracket and telescoping bracket in an embodiment of the present application;
FIG. 4 is an enlarged view at B in FIG. 3;
fig. 5 is an enlarged view at a in fig. 1.
In the figure: 1-track, 10-guide rail, 2-frame body, 20-first bracket, 21-second bracket, 210-roller group, 211-limit angle steel, 3-telescopic component, 30-telescopic frame, 301-channel steel, 302-limit stop, 303-slide, 31-working platform, 32-elevating mechanism, 4-running wheel, 5-longitudinal beam, 50-upper flange plate, 6-supporting device, 60-first plate, 61-second plate and 62-third plate.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1 and 2, an embodiment of the present application provides a telescopic construction platform, which includes a track 1, a frame 2, and four telescopic assemblies 3, where each telescopic assembly 3 is provided with a working platform 31.
The track 1 comprises two guide rails 10 which are arranged side by side, the frame body 2 is arranged on the two guide rails 10 in a sliding mode, and the frame body 2 comprises a first bracket 20 and a second bracket 21 which are distributed up and down. The frame body 2 is of a truss structure and is formed by welding steel pipes in a multi-stage mode, and is lighter in weight on the basis of guaranteeing firm structure, so that the structure is lighter and convenient to use.
Specifically, the telescopic assembly 3 includes a horizontally disposed telescopic frame 30 and a working platform 31 disposed on the telescopic frame 30, the telescopic frame 30 is slidably disposed on the frame body 2, and the telescopic frame 30 can move horizontally along a direction perpendicular to the guide rail 10.
At least four running wheels 4 are arranged at the bottom of the first bracket 20, and the first bracket 20 is arranged on the guide rail 10 in a sliding mode through the running wheels 4.
Referring to fig. 3 and 4, the second bracket 21 and the telescopic bracket 30 are both in a frame structure, and the telescopic bracket 30 is slidably sleeved in the second bracket 21.
The bottom and the top of the expansion bracket 30 are respectively provided with two parallel channel steel 301, the second bracket 21 is internally provided with roller groups 210 the same as the channel steel 301 in number, each roller group 210 comprises a plurality of rollers which are arranged in parallel, and the channel steel 301 is correspondingly arranged on one roller group 210 in a group. Preferably, four channel steels 301 are provided at four angular positions of the expansion bracket 30, respectively. In this embodiment, through set up channel-section steel 301 and roller set 210 that the cooperation was used in the bottom for expansion bracket 30 slip cap locates in the second support 21, not only construction platform sound construction, frictional force is little moreover, and the slip effect is better.
Two inner sides of the second bracket 21 are provided with four limiting angle steels 211 for limiting the horizontal position of the telescopic frame 30, and the four limiting angle steels 211 are correspondingly arranged at four angular positions of the telescopic frame 30. When the expansion bracket 30 moves in an expansion mode, the limiting angle steel 211 can prevent the left and right positions of the expansion bracket 30 from shifting, so that the construction platform structure is firmer.
In the embodiment of the present application, two ends of the expansion bracket 30 along the moving direction are respectively provided with a limit stop 302 for limiting the moving range of the expansion bracket 30, and the projections of the two limit stops 302 on the guide rail 10 are spaced a certain distance. The second bracket 21 is correspondingly provided with a bump on the right side of the leftmost limit stop 302, when the telescopic frame 30 moves from left to right to a set position, the limit stop 302 is abutted against the bump, so as to limit the limit position of the telescopic frame 30 moving from left to right, and likewise, the second bracket 21 is correspondingly provided with a bump on the left side of the rightmost limit stop 302, when the telescopic frame 30 moves from right to left to the set position, the limit stop 302 is abutted against the bump, so as to limit the limit position of the telescopic frame 30 moving from right to left, and because the projection of the two limit stops 302 on the guide rail 10 is spaced by a certain distance, the running tracks of the two limit stops 302 are mutually parallel, so that the limiting effect on the left limit position and the right limit position can be respectively achieved.
Further, four flexible subassemblies 3 are distributed along the direction two by two symmetry parallel to guide rail 10, and two flexible subassemblies 3 that are located same row are along relative both sides motion respectively to make can be located the node board of construction platform both sides and construct the operation, application scope is wider, and it is more convenient to use, all is equipped with operation platform 31 on every flexible subassembly 3 moreover, can allow many people to construct on a plurality of operation platforms 31, makes the efficiency of construction higher.
The telescopic assembly 3 of the embodiment of the application further comprises a telescopic lifting mechanism 32, the lifting mechanism 32 is slidably assembled on the telescopic frame 30, two slide ways 303 which can be used for the lifting mechanism 32 to move are arranged at the bottom of the telescopic frame 30, the slide ways 303 are arranged vertically to the guide rail 10, the operation platform 31 is arranged at the top of the lifting mechanism 32, the lifting mechanism 32 can adjust the height of the operation platform 31 through telescopic change, and the construction of node plates with different heights can be performed, so that the construction efficiency is higher.
In this embodiment, the lifting mechanism 32 is a scissor lift platform.
The application also provides a bridge provided with the telescopic construction platform, the bridge comprises a plurality of longitudinal beams 5, and the guide rail 10 is arranged on one longitudinal beam 5.
Referring to fig. 5, the longitudinal beam 5 includes an upper flange plate 50, a supporting device 6 is disposed between the upper flange plate 50 and the guide rail 10, the supporting device 6 includes a first plate 60 disposed above the upper flange plate 50, two second plates 61 disposed below the upper flange plate 50, and two third plates 62 disposed on two sides of the upper flange plate 50, respectively, the two second plates 61 are disposed at two ends of the first plate 60, the second plates 61 are sequentially connected with the third plates 62 and the first plates 60 from bottom to top, an accommodating cavity is formed by combining inner side walls of the first plates 60, the second plates 61 and the third plates 62, and the upper flange plate 50 is clamped in the accommodating cavity, thereby forming a buckling structure, and the supporting device 6 is firmly disposed on the upper flange plate 50. Preferably, the third plate 62 is the same thickness as the upper flange plate 50 and is disposed parallel to the upper flange plate 50 for optimal back-buckling.
In this embodiment, the guide rail 10 is an i-shaped steel, the bottom is connected with the first plate 60 by bolts, and the guide rail 10 is firmly arranged on the upper flange plate 50 by the supporting device 6, so that the guide rail 10 is prevented from directly contacting the surface of the steel beam in a large area, the steel beam finish paint is prevented from being damaged, and the collision with structures such as longitudinal beam shear nails is avoided.
When the telescopic construction platform is used, the frame body 2 is firstly slid to a proper position of the guide rail 10, then the frame body is clamped by using sleepers and the like, then the telescopic frame 30 is slid to extend to the left side and the right side of the frame body 2, the operation platform 31 is lifted to a proper height by the lifting mechanism 32, after the telescopic construction platform is used, the height of the operation platform 31 can be reduced, the operation platform is positioned in the telescopic frame 30, and the telescopic frame 30 moves reversely and is retracted into the frame body 2.
The operation platform 31 in the telescopic construction platform of the embodiment can move along the direction of the guide rail 10 and can move in a telescopic way along the direction perpendicular to the guide rail 10, so that the construction range of operators is wide, repeated hanging or dismounting is not needed, bolt welding can be carried out on the node plates distributed at different positions only by moving, the construction efficiency is high, manpower and material resources are saved, and compared with a common truss structure assembled up and down, the operation platform can extend to the outer side of a frame body, the operation space is large, and construction operation is convenient.
The application is not limited to the embodiments described above, but a number of modifications and adaptations can be made by a person skilled in the art without departing from the principle of the application, which modifications and adaptations are also considered to be within the scope of the application. What is not described in detail in this specification is prior art known to those skilled in the art.
Claims (7)
1. A bridge having a telescoping work platform mounted thereto, the telescoping work platform comprising:
a track (1) comprising at least two guide rails (10) arranged side by side;
the frame body (2) is arranged on the two guide rails (10) in a sliding mode, and the frame body (2) comprises a first bracket (20) and a second bracket (21) which are distributed up and down;
the telescopic assembly (3) comprises a horizontally arranged telescopic frame (30) and an operation platform (31) arranged on the telescopic frame (30), the telescopic frame (30) is slidably arranged on the frame body (2), and the telescopic frame (30) can horizontally move along the direction perpendicular to the guide rail (10);
the two ends of the telescopic frame (30) along the moving direction are respectively provided with a limit stop block (302) used for limiting the moving range of the telescopic frame (30), the projections of the two limit stop blocks (302) on the guide rail (10) are separated by a certain distance, the right side of the limit stop block (302) positioned at the leftmost side of the second bracket (21) is correspondingly provided with a bump, when the telescopic frame (30) moves from left to right to a set position, the limit stop block (302) is abutted against the bump, so that the limit position of the telescopic frame (30) moving from left to right is limited, the left side of the limit stop block (302) positioned at the rightmost side of the second bracket (21) is correspondingly provided with a bump, and when the telescopic frame (30) moves from right to left to the set position, the limit stop block (302) is abutted against the bump, so that the limit position of the telescopic frame (30) moving from right to left is limited;
the bridge comprises:
the guide rails (10) are arranged on one longitudinal beam (5);
the longitudinal beam (5) comprises an upper flange plate (50), a supporting device (6) is arranged between the upper flange plate (50) and the guide rail (10), the supporting device (6) comprises a first plate (60) arranged above the upper flange plate (50), two second plates (61) arranged below the upper flange plate (50) and two third plates (62) respectively arranged on two sides of the upper flange plate (50), the two second plates (61) and the third plates (62) are respectively arranged at two ends of the first plate (60), the second plates (61) are sequentially connected with the third plates (62) and the first plates (60) from bottom to top, a containing cavity is formed by combining side walls in the first plates (60), the second plates (61) and the third plates (62), and the upper flange plate (50) is clamped in the containing cavity.
2. The bridge of claim 1, wherein: at least four running wheels (4) are arranged at the bottom of the first support (20), and the first support (20) is arranged on the guide rail (10) in a sliding mode through the running wheels (4).
3. The bridge of claim 1, wherein: the second support (21) and the telescopic frame (30) are of frame structures, and the telescopic frame (30) is slidably sleeved in the second support (21).
4. A bridge according to claim 3, wherein: the bottom of the expansion bracket (30) is provided with at least two channel steels (301) which are arranged in parallel, the second bracket (21) is internally provided with roller groups (210) with the same number as the channel steels (301), each roller group (210) comprises a plurality of rollers which are arranged in parallel, and the channel steels (301) are correspondingly arranged on one roller group (210).
5. A bridge according to claim 3, wherein: two inner sides of the second bracket (21) are provided with a plurality of limiting angle steels (211) for limiting the horizontal position of the telescopic frame (30).
6. The bridge of claim 1, wherein: the telescopic assembly (3) further comprises a lifting mechanism (32) which can stretch up and down, the lifting mechanism (32) is arranged on the telescopic frame (30) in a sliding mode, and the operation platform (31) is arranged at the top of the lifting mechanism (32).
7. The bridge of claim 1, wherein: two telescopic components (3) which are arranged side by side are arranged on the frame body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013460.8A CN107858924B (en) | 2017-10-26 | 2017-10-26 | Bridge provided with telescopic construction platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013460.8A CN107858924B (en) | 2017-10-26 | 2017-10-26 | Bridge provided with telescopic construction platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107858924A CN107858924A (en) | 2018-03-30 |
| CN107858924B true CN107858924B (en) | 2023-12-12 |
Family
ID=61696748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711013460.8A Active CN107858924B (en) | 2017-10-26 | 2017-10-26 | Bridge provided with telescopic construction platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107858924B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044609A (en) * | 2020-06-09 | 2021-06-29 | 上海市机电设计研究院有限公司 | Nested telescopic closing device for open-air storage yard |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2893339B1 (en) * | 1998-05-18 | 1999-05-17 | 鹿島建設株式会社 | Perimeter scaffold of building |
| CN202144438U (en) * | 2011-05-18 | 2012-02-15 | 无锡吊蓝机械制造有限公司 | Telescopic hanging basket |
| CN103663300A (en) * | 2012-09-02 | 2014-03-26 | 江苏雄宇重工科技股份有限公司 | Track type telescopic hanging basket special for bridge |
| CN204803762U (en) * | 2015-05-31 | 2015-11-25 | 中铁十八局集团轨道交通工程有限公司 | Bridge stand construction operation platform |
| CN206109992U (en) * | 2016-10-20 | 2017-04-19 | 浙江兴土桥梁专用装备制造有限公司 | Bridge bottom surface construction platform |
| CN206233102U (en) * | 2016-12-06 | 2017-06-09 | 河南省公路工程局集团有限公司 | A kind of packaged type faces side operation work platform |
| CN206352261U (en) * | 2016-11-16 | 2017-07-25 | 张驰 | A kind of bridge construction aerial work platform |
| CN207672433U (en) * | 2017-10-26 | 2018-07-31 | 中铁大桥局集团第八工程有限公司 | Extension type operation platform and the bridge for being equipped with the operation platform |
-
2017
- 2017-10-26 CN CN201711013460.8A patent/CN107858924B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2893339B1 (en) * | 1998-05-18 | 1999-05-17 | 鹿島建設株式会社 | Perimeter scaffold of building |
| CN202144438U (en) * | 2011-05-18 | 2012-02-15 | 无锡吊蓝机械制造有限公司 | Telescopic hanging basket |
| CN103663300A (en) * | 2012-09-02 | 2014-03-26 | 江苏雄宇重工科技股份有限公司 | Track type telescopic hanging basket special for bridge |
| CN204803762U (en) * | 2015-05-31 | 2015-11-25 | 中铁十八局集团轨道交通工程有限公司 | Bridge stand construction operation platform |
| CN206109992U (en) * | 2016-10-20 | 2017-04-19 | 浙江兴土桥梁专用装备制造有限公司 | Bridge bottom surface construction platform |
| CN206352261U (en) * | 2016-11-16 | 2017-07-25 | 张驰 | A kind of bridge construction aerial work platform |
| CN206233102U (en) * | 2016-12-06 | 2017-06-09 | 河南省公路工程局集团有限公司 | A kind of packaged type faces side operation work platform |
| CN207672433U (en) * | 2017-10-26 | 2018-07-31 | 中铁大桥局集团第八工程有限公司 | Extension type operation platform and the bridge for being equipped with the operation platform |
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| Publication number | Publication date |
|---|---|
| CN107858924A (en) | 2018-03-30 |
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