CN219951704U - Dismounting device for I-shaped steel beam of bridge support - Google Patents
Dismounting device for I-shaped steel beam of bridge support Download PDFInfo
- Publication number
- CN219951704U CN219951704U CN202321115398.4U CN202321115398U CN219951704U CN 219951704 U CN219951704 U CN 219951704U CN 202321115398 U CN202321115398 U CN 202321115398U CN 219951704 U CN219951704 U CN 219951704U
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- support
- supporting
- steel
- lower base
- steel plate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 47
- 239000010959 steel Substances 0.000 title claims abstract description 47
- 238000004891 communication Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a dismounting device for an I-shaped steel beam of a bridge support, which is characterized in that a lower base is connected with supporting legs made of channel steel, the lower base is connected with an upper support through a split screw rod and a bolt, the upper support is connected with two supporting columns which are symmetrically arranged, a supporting beam is connected to each supporting column, each supporting beam is connected with a beam placing area made of the channel steel, a rubber pad is arranged in the beam placing area, a symmetrically arranged cross-shaped transverse support is connected between the two supporting columns, a symmetrically arranged transverse connecting beam is connected between the two supporting beams, vertical supports are arranged on two sides of each supporting column, the upper ends of the vertical supports are connected with the supporting beams, and the lower ends of the vertical supports incline outwards and are connected with the upper support. The utility model has the advantages of simple structure, reasonable design, simple and convenient processing, convenient disassembly and good use effect, can reduce the construction safety risk in the process of disassembling the I-beam, reduce the working intensity of workers, improve the construction efficiency and save the construction labor cost.
Description
Technical Field
The utility model belongs to the technical field of bridge construction, and particularly relates to a dismounting device for an I-shaped steel beam of a bridge support.
Background
The support system of the cast-in-place concrete bridge is mainly a support system and mainly comprises a socket-and-spigot disc-mouth type scaffold and an I-shaped steel beam. In the construction process of the upper structure of the bridge, a plurality of bridge support systems are required to be erected at certain intervals along the longitudinal bridge direction of the constructed bridge, and the support systems are required to be dismantled after the construction of the upper structure is completed. At present, the I-beam of the bracket support system is manually removed from the superstructure during the dismantling process, and then placed in the storage area by a crane. The worker has great potential safety hazard in the removal I-shaped steel girder in-process, and workman's working strength is great simultaneously, and the efficiency of construction is comparatively inefficiency, does not accord with the needs of safe civilized construction.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a dismounting device for the I-shaped steel beam of the bridge support.
The technical scheme provided by the utility model is as follows: a dismounting device for bridge support I-shaped steel beam, a serial communication port, it includes the lower base, the landing leg of connecting the channel-section steel and making on the lower base, the lower base is through to drawing lead screw, bolted connection upper bracket, connect two support columns that the symmetry set up on the upper bracket, connect a supporting beam on every support column, all connect the putting beam district that the channel-section steel was made on every supporting beam, put and be equipped with the rubber pad in the beam district, be connected with the cross transverse support that the symmetry set up between two support columns, be connected with the transverse connection roof beam that the symmetry set up between two support beams, the both sides of every support column all are equipped with vertical support, the upper end and the supporting beam of vertical support link to each other, the lower extreme outwards inclines and links to each other with the upper bracket.
Further, two strip steel plates on two sides of the lower base are formed, and 2 channel steel 18a is uniformly welded on each strip steel plate to serve as a supporting leg.
Further, the upper support comprises two layers of square steel plates with the thickness of 6mm, square holes are formed in the middle of each layer of square steel plate, and two symmetrical longitudinal connecting steel plates with the thickness of 4mm and two symmetrical transverse connecting steel plates with the thickness of 4mm are adopted between the upper layer of steel plate and the lower layer of steel plate to be connected.
Further, the support upright post adopts an I-beam of 40c, and the support beam adopts an I-beam of 25 a.
The beneficial effects of the utility model are as follows: the utility model comprises a lower base, an upper support, a supporting system formed by supporting columns, supporting beams, beam placing areas and the like, and a confining system formed by high-strength bolts and wire drawing rods, and has the advantages of simple structure, reasonable design, simple and convenient processing, convenient disassembly and good use effect, can reduce the construction safety risk in the process of disassembling the I-beam, reduce the working intensity of workers, improve the construction efficiency and save the construction labor cost. It has the following components: (1) In the disassembly process, the I-shaped rigid beam does not need to be manually moved, mechanical equipment is adopted to assist in moving the I-shaped rigid beam, the working intensity of workers and the number of workers in the disassembly process are greatly reduced, and the purposes of saving cost and providing working efficiency are achieved. (2) In the disassembly engineering, the worker does not need to climb to the support to operate, so that the time of high-altitude operation is reduced, and the construction safety risk is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic elevational view of the structure of FIG. 1;
fig. 3 is a schematic side view of fig. 1.
Description of the embodiments
The following detailed description of specific embodiments of the utility model refers to the accompanying drawings:
as shown in fig. 1 to 3, a dismounting device for an i-beam of a bridge support comprises a lower base 10, wherein the lower base 10 is composed of two strip steel plates with the thickness of 6mm at two sides, and each strip steel plate is uniformly welded with 2 channels 18a of channel steel serving as supporting legs 11. The lower base 10 is connected with the upper support 9 through the wire drawing rod 6 and the bolt 15, the upper support 9 is composed of an upper layer of square steel plate and a lower layer of square steel plate, the thickness of each layer of square steel plate is 6mm, square holes are formed in the middle of each layer of square steel plate, and two symmetrical longitudinal connecting steel plates 8 with the thickness of 4mm and two symmetrical transverse connecting steel plates 7 with the thickness of 4mm are adopted between the upper layer of steel plate and the lower layer of steel plate for welding. Two supporting columns 5 which are symmetrically arranged are welded on the upper support 9, the supporting columns 5 are I-beams with the model number of 40c, the supporting beams 2 are welded on each supporting column 5, and the supporting beams 2 are I-beams with the model number of 25 a. And each supporting beam 2 is connected and fixed with a beam placing area 1 through a high-strength bolt 12, the beam placing area 1 adopts a 40b channel steel, and a rubber cushion 13 for buffering is arranged in the beam placing area 1. The cross-shaped transverse supports 14 which are symmetrically arranged are connected between the two support columns 5, and the transverse connecting beams 3 which are symmetrically arranged are connected between the two support beams 2, so that the overall stability of the structure is improved. The both sides of every support stand 5 all are equipped with vertical support 4, and vertical support 4's upper end links to each other with supporting beam 2, and the lower extreme outwards inclines and links to each other with upper bracket 9, guarantees the stability of support stand 5.
When the device is used, the lower base 10 is placed on the ground, the fork of a forklift is inserted from the supporting leg 11, the lower base 10 is lifted by using a transmission device of the forklift after the fork is inserted, the fork is stopped when the fork is 10 cm to 20cm away from the ground, the upper support 9 and other structures are lifted to the position of the lower base 10 by using an automobile crane, the upper support 9 and the lower base 10 are connected and fastened by using the counter-pulling rod 6, the device is moved to the position below an I-beam to be dismounted by using the forklift, the I-beam to be dismounted is placed in the girder placing area 1, the device is lifted, the I-beam to be dismounted is lifted from a scaffold at a socket, and then the I-beam is removed from the scaffold, so that the I-beam dismounting work is completed.
It should be understood that parts of the present specification not specifically described are prior art. The above examples are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.
Claims (4)
1. A dismounting device for bridge support I-shaped steel beam, a serial communication port, it includes the lower base, the landing leg of connecting the channel-section steel and making on the lower base, the lower base is through to drawing lead screw, bolted connection upper bracket, connect two support columns that the symmetry set up on the upper bracket, connect a supporting beam on every support column, all connect the putting beam district that the channel-section steel was made on every supporting beam, put and be equipped with the rubber pad in the beam district, be connected with the cross transverse support that the symmetry set up between two support columns, be connected with the transverse connection roof beam that the symmetry set up between two support beams, the both sides of every support column all are equipped with vertical support, the upper end and the supporting beam of vertical support link to each other, the lower extreme outwards inclines and links to each other with the upper bracket.
2. The dismounting device for I-beam of bridge support as claimed in claim 1, wherein said two strip steel plates are formed on both sides of said lower base, each strip steel plate being uniformly welded with 2 channels 18a of steel channels as legs.
3. The dismounting device for the I-shaped steel beam of the bridge support according to claim 1, wherein the upper support is composed of an upper layer of square steel plate and a lower layer of square steel plate with the thickness of 6mm, square holes are formed in the middle of each layer of square steel plate, and the upper layer of steel plate and the lower layer of steel plate are connected through two symmetrical longitudinal connecting steel plates with the thickness of 4mm and two symmetrical transverse connecting steel plates with the thickness of 4 mm.
4. A girder erection removal apparatus for girder erection of bridge girder as claimed in claim 1, wherein said supporting columns are formed of 40c girders and the supporting beams are formed of 25a girders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321115398.4U CN219951704U (en) | 2023-05-10 | 2023-05-10 | Dismounting device for I-shaped steel beam of bridge support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321115398.4U CN219951704U (en) | 2023-05-10 | 2023-05-10 | Dismounting device for I-shaped steel beam of bridge support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219951704U true CN219951704U (en) | 2023-11-03 |
Family
ID=88535084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321115398.4U Active CN219951704U (en) | 2023-05-10 | 2023-05-10 | Dismounting device for I-shaped steel beam of bridge support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219951704U (en) |
-
2023
- 2023-05-10 CN CN202321115398.4U patent/CN219951704U/en active Active
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