CN219862435U - Steel construction bridge design node reinforcing apparatus - Google Patents
Steel construction bridge design node reinforcing apparatus Download PDFInfo
- Publication number
- CN219862435U CN219862435U CN202320740466.XU CN202320740466U CN219862435U CN 219862435 U CN219862435 U CN 219862435U CN 202320740466 U CN202320740466 U CN 202320740466U CN 219862435 U CN219862435 U CN 219862435U
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- Prior art keywords
- steel
- reinforcing
- channel steel
- transverse
- plate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 135
- 239000010959 steel Substances 0.000 title claims abstract description 135
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 58
- 238000010276 construction Methods 0.000 title claims abstract description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 12
- 230000002787 reinforcement Effects 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005253 cladding Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to the technical field of steel structure bridges and discloses a steel structure bridge design node reinforcing device which comprises transverse channel steel, vertical channel steel and reinforcing members, wherein the reinforcing members comprise reinforcing steel plates positioned on the side surfaces of the vertical channel steel and transverse reinforcing plates positioned on the upper sides of the transverse channel steel, and diagonal rods are connected between the reinforcing steel plates and the transverse reinforcing plates. And joints of the transverse channel steel and the vertical channel steel form joints. Because of the structural characteristics of the channel steel, the channel steel can only overturn in the front and back directions when being stressed. Once receiving unilateral power, the dead lever can provide the support in the atress direction, improves the bearing capacity in the direction that the channel-section steel probably overturns to avoid taking place the condition of unilateral upset, solved among the prior art, bridge steel construction node design is unreliable, produces the problem of unilateral upset easily.
Description
Technical Field
The utility model relates to the technical field of steel structure bridges, in particular to a steel structure bridge design node reinforcing device.
Background
With the continuous promotion of the construction of the infrastructure in China, the steel structure bridge is widely applied due to the advantages of convenience in installation, short construction period and the like, the steel structure bridge adopts a node connection mode to connect all parts, and the connection strength of the node device directly influences the safety and the service life of the steel structure bridge.
If chinese patent application number is 202021860056.1, it uses two fender position pieces and two support pieces, can make first crossbeam and second crossbeam disperse and transfer when weighing the atress, make first crossbeam and second crossbeam junction point be difficult for warp the arch because of bearing atress, however, it is controlled not be equipped with better fixed knot between two steel sheets and the central steel sheet, lead to global strength to be lower for bridge reinforcement supporting mechanism collapses easily, the single support supporting mode that adopts when current supporting operation mostly simultaneously can cause the bridge like this when the bridge bears the overload, lead to the bridge deck to produce the unilateral risk of toppling, make the stability of bridge weaker.
Therefore, how to design a more reliable steel structure bridge design node reinforcing device which is not easy to overturn on one side becomes a problem which we need to solve at present.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, the design of a bridge steel structure node is unreliable and single-side overturning is easy to occur, and provides the steel structure bridge design node reinforcing device which improves the supporting reliability of the node and can prevent the single-side overturning.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model relates to a steel structure bridge design node reinforcing device which comprises transverse channel steel, vertical channel steel and a reinforcing member, wherein the reinforcing member comprises a reinforcing steel plate positioned on the side surface of the vertical channel steel and a transverse reinforcing plate positioned on the upper side of the transverse channel steel, and a diagonal rod is connected between the reinforcing steel plate and the transverse reinforcing plate.
And joints of the transverse channel steel and the vertical channel steel form joints. Because of the structural characteristics of the channel steel, the channel steel can only overturn in the front and back directions when being stressed. Once subjected to a single-sided force, the diagonal rods can provide support in the direction of the force, improving the load carrying capacity in the direction in which the channel steel may topple, and thus avoiding the occurrence of a single-sided toppling.
Preferably, the reinforcement further comprises connecting plates fixedly connected to two sides of the reinforced steel plate, and the connecting plates and the reinforced steel plate form a coating part which is coated outside the vertical channel steel. The cladding portion enables the relative position of the reinforcement and the vertical channel steel to be fixed, so that the overturning directions possibly generated by the diagonal rods and the vertical channel steel are located on the same plane, and the reliability of support is improved.
Preferably, the connecting plate is provided with a first threaded through hole for being connected with the vertical channel steel through bolts. The first threaded through hole can install first fixing bolt, and first fixing bolt can bear the load of vertical channel-section steel in the direction that probably overturns to further improve unilateral bearing capacity.
Preferably, the transverse reinforcing plate is provided with a high-strength bolt mounting hole for mounting a high-strength bolt, and the high-strength bolt is used for connecting the transverse reinforcing plate and the transverse channel steel. The high-strength bolts are used for fixing the transverse reinforcing plates, so that the overturning directions possibly generated by the diagonal rods and the vertical channel steel are located on the same plane, and the reliability of support is improved.
Preferably, the bottom of the vertical channel steel is provided with an inserting block, and the transverse channel steel is provided with a slot matched with the inserting block. The insert block can penetrate through the slot, so that the reliability of connection between the vertical channel steel and the transverse channel steel is improved, and when the vertical channel steel is subjected to single-side force, the contact surface of the insert block and the slot can bear a certain load, so that the single-side bearing capacity is further improved.
Preferably, the insert block is provided with a second threaded through hole, and the distance from the second threaded through hole to the upper end of the insert block is greater than the thickness of the upper side edge of the transverse channel steel. Through this structure for the inserted block can pass the middle part connecting plate of slot and horizontal channel-section steel and connect, further improves the reliability that horizontal channel-section steel and vertical channel-section steel are connected.
Preferably, each insert block is provided with two second threaded through holes, and the two threaded through holes are symmetrically distributed on two sides of the insert block. Through this structure for second fixing bolt in the second screw through-hole also can bear the unidirectional load of vertical channel-section steel, thereby further improves unilateral bearing capacity.
Preferably, the upper side plate of the transverse channel steel is also connected with a side reinforcing plate in a nested manner, and the side reinforcing plate is provided with a third threaded through hole for being connected with the transverse channel steel through bolts; the structure can improve the strength of the transverse channel steel at the joint and avoid deformation of the transverse channel steel.
Preferably, the side reinforcing plate is further provided with a fastening bolt through hole for bolting with the reinforcement member. The side reinforcing plate is connected with the reinforcing member through the structure, so that the side reinforcing plate can transfer loads received by the vertical channel steel to the transverse channel steel, and the unilateral bearing capacity is further improved.
Therefore, the utility model has the following beneficial effects: (1) The single-side load borne by the vertical channel steel is shared through a plurality of structures, so that single-side overturning is prevented; (2) The overturning directions possibly generated by the inclined rods and the vertical channel steel are ensured to be positioned on the same plane, so that the reliability of the support is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of the entire internal cross-sectional structure of the present utility model.
Fig. 3 is a schematic view of an internal cross-sectional structure of the socket of the present utility model.
Fig. 4 is an enlarged schematic view of the structure of the present utility model at a.
In the figure: 1. transverse channel steel; 2. vertical channel steel; 3. reinforcing the steel plate; 4. a connecting plate; 5. a diagonal rod; 6. a transverse reinforcing plate; 7. a first threaded through hole; 8. high-strength bolt through holes; 9. a slot; 10. inserting blocks; 11. a second threaded through hole; 12. a side reinforcing plate; 13. a third threaded through hole; 14. and fastening the bolt through hole.
Detailed Description
The utility model is further described below with reference to the drawings and detailed description.
In the embodiment shown in fig. 1-4, a steel structure bridge design node reinforcing device comprises a transverse channel steel 1, a vertical channel steel 2 and a reinforcing member. The transverse channel steel and the vertical channel steel comprise two side plates and a middle connecting plate. The reinforcement is including being located the reinforcement steel sheet 3 of vertical channel-section steel side, and the outside one side nest of vertical channel-section steel 2 is connected with the cladding portion of cladding outside vertical channel-section steel, and the cladding portion includes reinforcement steel sheet and connecting plate 4, one side fixedly connected with dead lever 5 of reinforcement steel sheet 3, the opposite side fixedly connected with transverse reinforcement board 6 of dead lever 5, be equipped with on the connecting plate 4 be used for with vertical channel-section steel bolted connection's first screw thread through-hole 7, be equipped with on the transverse reinforcement board 6 be used for installing high strength bolt's high strength bolt mounting hole 8, high strength bolt is used for connecting transverse reinforcement board and horizontal channel-section steel, and the bottom of vertical channel-section steel 2 is equipped with the inserted block 10, be equipped with on transverse channel-section steel 1's the upper plate with the slot 9 of inserted block adaptation. Be equipped with second screw thread through-hole 11 on the inserted block 10, the distance of second screw thread through-hole 11 to the upper end of inserted block 10 is greater than the thickness of the upper side board of horizontal channel-section steel 1, thereby make second screw thread through-hole 11 be located the below of upper side board, second screw thread through-hole 11 through-hole screw thread is connected with the middle part connecting plate of horizontal channel-section steel 1, still the nested side gusset plate 12 that is connected with on the upper side board of horizontal channel-section steel 1 is equipped with on the side gusset plate 12 and is used for with horizontal channel-section steel bolted connection's third screw thread through-hole 13, still be equipped with on the side gusset plate 12 be used for with reinforcement bolted connection's fastening bolt through-hole 14.
The reinforcement is equipped with four altogether, is located the front and back both sides of two curb plates of vertical channel-section steel 2 respectively, is equipped with a reinforcement steel sheet on every reinforcement, two connecting plates, a horizontal reinforcement plate, a diagonal bar. The current support operation is mostly adopted is single support supporting mode, can cause the bridge like this when the bridge floor bears the overload, leads to the bridge floor to produce unilateral risk of overturning for the stability of bridge is weaker, through setting up the reinforcement, combines horizontal channel-section steel 1 and vertical channel-section steel 2, will consolidate steel sheet 3 and set up in vertical channel-section steel 2 one side, uses bolt embedding first screw thread through-hole 7, and diagonal rod 5 is being connected between consolidate steel sheet 3 and horizontal gusset plate 6, and the cross-section shape is triangle-shaped, makes node department more stable.
The cross-sectional shapes of the insert block 10 and the slot 9 are rectangular, the insert block 10 is embedded in the slot 9, two second threaded through holes 11 are formed in each insert block 10, and the two second threaded through holes 11 are symmetrically distributed on two sides of the insert block. The cross-sectional shape of the side reinforcing plates 12 is in the shape of letter "L" and is distributed on both sides of the transverse channel steel 1. The prior device is not provided with a better fixing structure between the left steel plate and the right steel plate and the central steel plate, so that the overall strength is lower, the bridge reinforcing and supporting mechanism is easy to collapse, through the structure in the utility model, the insert block 10 at the bottom of the vertical channel steel 2 is inserted into the slot 9 in the horizontal channel steel 1, the stability between the two channel steels can be improved by using the second threaded through hole 11 in the bolt fixing insert block 10, meanwhile, the two sides of the horizontal channel steel 1 are provided with the side reinforcing plates 12, the tops of the side reinforcing plates are fixed by the fastening bolts 14 and are fixed on one side of the horizontal reinforcing plates 6, and the side reinforcing plates 3 are fixed through the third threaded through holes 13, so that the stability between the horizontal channel steel 6 and the side reinforcing plates 12 is improved, the stability between the horizontal channel steel 1 and the vertical channel steel 2 is improved, and the stability between each structure is improved by arranging the reinforcing mechanism, and the stability of the device main body is improved.
The installation process of the utility model comprises the following steps: the insert block 10 at the bottom of the vertical channel steel 2 is inserted into the slot 9 in the horizontal channel steel 1, the insert block 10 is fixed by bolts, stability between the two channel steels is improved, and the horizontal channel steel 1 and the vertical channel steel 2 are combined. And then the reinforced steel plate 3 is attached to one side of the vertical channel steel 2, the connecting plate 4 is attached to the other side of the vertical channel steel 2, the coating part is coated outside the vertical channel steel, the first threaded through hole 7 is embedded by using a bolt, and the transverse reinforced plate 6 and the transverse channel steel 1 are fixed by using a high-strength bolt, so that the reinforcement is fixed. And the side reinforcing plates 12 are arranged on two sides of the transverse channel steel 1, the tops of the side reinforcing plates are fixed by fastening bolts and fixed on one side of the transverse reinforcing plates 6, and the side reinforcing plates are fixed with the transverse channel steel through third threaded through holes 13, so that the stability between the transverse channel steel 1 and the vertical channel steel 2 is improved.
When the vertical channel steel is stressed, the load which possibly causes unidirectional overturning can generate bending moment on the plane where the side plate of the vertical channel steel is located, and the load can be shared to the diagonal rod, the transverse channel steel, the first fixing bolt, the high-strength bolt, the second fixing bolt, the third fixing bolt and the side reinforcing plate, so that the bending moment borne by the vertical channel steel is reduced, and unidirectional overturning is avoided.
Claims (9)
1. The utility model provides a steel construction bridge design node reinforcing apparatus, characterized by, includes horizontal channel-section steel, vertical channel-section steel and reinforcement, the reinforcement is including the reinforcement steel sheet that is located vertical channel-section steel side to and be located the horizontal gusset plate of horizontal channel-section steel upside, be connected with the diagonal bar between reinforcement steel sheet and the horizontal gusset plate.
2. The steel structure bridge design node reinforcing device according to claim 1, wherein the reinforcing member further comprises connecting plates fixedly connected to two sides of the reinforcing steel plate, and the connecting plates and the reinforcing steel plate form a coating portion coated outside the vertical channel steel.
3. The steel structure bridge design node reinforcing device according to claim 2, wherein the connecting plate is provided with a first threaded through hole for being connected with the vertical channel steel through bolts.
4. The steel structure bridge design node reinforcing device according to claim 1, wherein the transverse reinforcing plate is provided with a high-strength bolt mounting hole for mounting a high-strength bolt, and the high-strength bolt is used for connecting the transverse reinforcing plate and the transverse channel steel.
5. The steel structure bridge design node reinforcing device according to claim 1, wherein the bottom of the vertical channel steel is provided with an inserting block, and the transverse channel steel is provided with an inserting groove matched with the inserting block.
6. The reinforcing device for the steel structure bridge design nodes according to claim 5, wherein the insert block is provided with a second threaded through hole, and the distance from the second threaded through hole to the upper end of the insert block is greater than the thickness of the upper side plate of the transverse channel steel.
7. The reinforcing device for the steel-structure bridge design node of claim 6, wherein two second threaded through holes are formed in each insert block, and the two second threaded through holes are symmetrically distributed on two sides of the insert block.
8. The steel structure bridge design node reinforcing device according to any one of claims 1-7, wherein a side reinforcing plate is further connected to the upper side plate of the transverse channel steel in a nested manner, and a third threaded through hole for being connected with the transverse channel steel through bolts is formed in the side reinforcing plate.
9. The steel structure bridge design node reinforcing apparatus according to claim 8, wherein the side reinforcing plates are further provided with fastening bolt through holes for bolting with the reinforcing members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320740466.XU CN219862435U (en) | 2023-04-06 | 2023-04-06 | Steel construction bridge design node reinforcing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320740466.XU CN219862435U (en) | 2023-04-06 | 2023-04-06 | Steel construction bridge design node reinforcing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219862435U true CN219862435U (en) | 2023-10-20 |
Family
ID=88323222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320740466.XU Active CN219862435U (en) | 2023-04-06 | 2023-04-06 | Steel construction bridge design node reinforcing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219862435U (en) |
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2023
- 2023-04-06 CN CN202320740466.XU patent/CN219862435U/en active Active
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