CN206736733U - Long-span steel pipe arch bridge assembling construction arch rib support - Google Patents
Long-span steel pipe arch bridge assembling construction arch rib support Download PDFInfo
- Publication number
- CN206736733U CN206736733U CN201720422926.9U CN201720422926U CN206736733U CN 206736733 U CN206736733 U CN 206736733U CN 201720422926 U CN201720422926 U CN 201720422926U CN 206736733 U CN206736733 U CN 206736733U
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- CN
- China
- Prior art keywords
- bracing piece
- support bar
- steel pipe
- long
- arch rib
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Abstract
The utility model discloses a kind of long-span steel pipe arch bridge assembling construction arch rib support, supporting table including offering locating slot, the supporting table is provided with the support bar that end fitting is set in locating slot, the bracing piece for fastening support bar is evenly arranged between the support bar, the bracing piece both ends are respectively arranged with the external screw thread of fitting lateral wall, the support bar is provided with the connecting rod for docking bracing piece, the connecting rod top is again provided with external screw thread, internal diameter and bracing piece external diameter identical adapter sleeve are arranged with the bracing piece, the madial wall of the adapter sleeve, which is provided with, coordinates externally threaded thread groove.The utility model fixes bracing piece by adapter sleeve, achieves the beneficial effect of fast assembling-disassembling, while does not also interfere with the support effect of bracing piece, and the steadiness of structure can also be further enhanced by the cooperation of fastening block and fastening frame.
Description
Technical field
A kind of equipment for bridge construction is the utility model is related to, more specifically, it relates to which a kind of long-span steel pipe arch bridge is spelled
Fill construction arch rib support.
Background technology
At present, CFST Arch Bridge is by fill concrete in steel pipe, and compression is limited due to the radial constraint of steel pipe
The expansion of concrete, concrete is set to be in three dimension stress state, so as to significantly improve the compression strength of concrete.In assembled arch bridge
Arch rib when, it usually needs come interim supporting arch rib, convenient installation by arch rib support.
A kind of long-span steel pipe arch bridge assembling construction arch is disclosed in the patent of Application No. " 201420738931.7 "
Rib support, including brace foundation and the steel pipe lattice falsework that is erected on brace foundation, steel pipe lattice falsework include former and later two
To assembled long-span steel pipe arch bridge the support frame that is supported of arch rib, two support frames as described above lay along direction across bridge, prop up
Support includes two first vertical steel pipes in left and right, second vertical steel pipe and the upper tie-beam in horizontal layout, upper tie-beam
On be provided with horizontal shore, the transverse girder between arch rib support body to transverse girder between arch rib is provided with horizontal shore.This arch rib support tool
There is a preferable steadiness, but due to structure relative securement, can be spent by being welded and fixed between each part, therefore when dismounting big
Measure the time.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of long-span steel pipe arch bridge assembly
Arch rib support is used in construction, has the effect of easy disassembly.
To realize above-mentioned technical purpose, the utility model provides following technical scheme：A kind of long-span steel pipe arch bridge is spelled
Construction arch rib support is filled, including offers the supporting table of locating slot, the supporting table is provided with end fitting and is set in positioning
Support bar in groove, the bracing piece for fastening support bar, the bracing piece both ends point are evenly arranged between the support bar
The external screw thread of fitting lateral wall is not provided with, and the support bar is provided with the connecting rod for docking bracing piece, the connecting rod
Top is again provided with external screw thread, and internal diameter and bracing piece external diameter identical adapter sleeve, the fastening are arranged with the bracing piece
The madial wall of set, which is provided with, coordinates externally threaded thread groove.
By using above-mentioned technical proposal, support bar is set in locating slot, and bracing piece is placed on corresponding connect
Between extension bar, the adapter sleeve on bracing piece is screwed off, and the external screw thread on the thread groove and connecting rod in adapter sleeve is coordinated,
So as to reach the purpose for being fixedly connected with bracing piece with support bar, the beneficial effect of fast assembling-disassembling is achieved.It is uniformly distributed simultaneously
Bracing piece can balancedly share the reaction force that support bar is subject to, avoid part support bar from undertaking the gravity of most of arch rib,
Cause easily to bend, achieve the auxiliary beneficial effect for improving structural soundness.
Preferably, the both ends of the adapter sleeve offer seal groove respectively, madial wall patch is provided with the seal groove
The sealing gasket of bracing piece lateral wall is closed, the sealing gasket is made up of elastomeric material.
By using above-mentioned technical proposal, adapter sleeve connection reinforcement bar with after connecting rod, flexible sealing gasket can be with
Bracing piece and the lateral wall of connecting rod are brought into close contact, and are reached sealing external screw thread and the purpose inside adapter sleeve, are avoided rainwater weather
Cause adapter sleeve to get rusty, cause dismounting difficult, achieve the beneficial effect for improving reasonable structure.Extruded sealing gasket simultaneously
Reaction force can be produced to adapter sleeve, adapter sleeve is brought into close contact with bracing piece and connecting rod, achieve enhancing structure steadiness
Auxiliary beneficial effect.
Preferably, the distal tip of the bracing piece is provided with the stopper slot along bracing piece radial direction, the connection
The end of bar is provided with the positive stop strip for coordinating stopper slot.
By using above-mentioned technical proposal, positive stop strip is inserted in stopper slot, bracing piece is directed at connecting rod rapidly, strengthened
The external screw thread on external screw thread and connecting rod on bar connects to form threaded line, avoids staff from repeatedly adjusting bracing piece angle,
Achieve the beneficial effect for improving operating efficiency.
Preferably, the bracing piece and support bar shape angle at 45 °, the adjacent bracing piece are orthogonal.
By using above-mentioned technical proposal, the support bar between adjacent two bracing pieces and two bracing pieces forms firm
Triangle, two can mutually support between bracing piece and support bar, reach the beneficial effect for further enhancing structural soundness
Fruit.
Preferably, offering the binding groove of taper on the locating slot, it is provided with the binding groove in several fittings
The fastening block of side wall, is offered on the inside of the fastening block and support bar radius identical deep-slotted chip breaker, several deep-slotted chip breakers close
Hold together the positioning hole to be formed and be passed through for support bar.
By using above-mentioned technical proposal, it is put into after support bar insertion locating slot, then by fastening block in binding groove, it is several
The lateral wall of the deep-slotted chip breaker fitting support bar of fastening block, reduces the gap between locating slot and support bar, avoids mismachining tolerance from leading
Cause support bar to exist to tilt, reach the beneficial effect for further enhancing structural soundness.Simultaneously can be with side by fastening block dismounting
Just support bar is removed, avoids and support bar is welded in supporting table, support bar can be damaged during dismounting, achieve easy disassembly
Auxiliary beneficial effect.
Preferably, the fastening block is provided with insertion fastening block, end is located at the fastening bolt in supporting table simultaneously.
By using above-mentioned technical proposal, fastening bolt is tightened in fastening block, can be to reach fixed fastening block
Purpose, fastening block is extruded into binding groove when avoiding support bar crooked, achieve the beneficial effect for improving structural soundness.
Preferably, the supporting bar top is provided with fixed frame, the lower surface of the fixed frame is provided with for support bar
The fixing groove of insertion is bonded, the upper surface of the fixed frame is provided with the underside shape identical neck with arch rib.
By using above-mentioned technical proposal, support bar is further fixed by fixed frame, limits the moving range of support bar,
Increase the contact area of arch rib and support by neck simultaneously, achieve the beneficial effect of enhancing structure steadiness.
Preferably, the length direction of the bracing piece interior edge itself offers cavity.
By using above-mentioned technical proposal, the quality of bracing piece mitigates, convenient transportation, while also reduces cost, due to
What bracing piece was subject to be along the pulling force in its length direction, therefore can't cause because of hollow bracing piece withstand forces it is a large amount of
Reduce, achieve the beneficial effect for improving reasonable structure.
In summary, the utility model fixes bracing piece by adapter sleeve, achieves the beneficial effect of fast assembling-disassembling, together
When do not interfere with the support effect of bracing piece yet, can also further enhance the steady of structure by the cooperation of fastening block and fastening frame
Solidity.
Brief description of the drawings
Fig. 1 is to be used to show integrally-built side view in the present embodiment；
Fig. 2 is the partial sectional view for being used to show supporting table internal structure in the present embodiment；
Fig. 3 is the partial exploded view for being used to show supporting table and support bar annexation in the present embodiment；
Fig. 4 is the partial schematic diagram for being used to show the annexation of bracing piece and support bar in the present embodiment；
Fig. 5 is to be used to show fixed frame and the partial schematic diagram of support bar annexation in the present embodiment.
In figure, 1, supporting table；2nd, support bar；3rd, fixed frame；11st, locating slot；12nd, binding groove；13rd, fastening block；15th, fasten
Bolt；16th, deep-slotted chip breaker；17th, positioning hole；21st, connecting rod；22nd, bracing piece；221st, cavity；23rd, adapter sleeve；24th, external screw thread；25、
Thread groove；26th, seal groove；27th, sealing gasket；28th, stopper slot；29th, positive stop strip；31st, fixing groove；32nd, neck；4th, arch rib.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Embodiment：As shown in figure 1, a kind of long-span steel pipe arch bridge assembling construction arch rib support, including trapezoidal support
Platform 1, four cylindrical support bars 2 is vertically installed with each supporting table 1, the arch rib 4 of arch bridge is erected at the top of support bar 2
End.
As shown in Fig. 2 depression is provided with the locating slot 11 of cylinder, the end of support bar 2 insertion locating slot 11 in supporting table
Interior, the upper end of locating slot 11 offers the binding groove 12 that section is taper, and several fitting madial walls are provided with binding groove 12
Fastening block 13.
As shown in figure 3, the inner side of fastening block 13 offers and the radius identical deep-slotted chip breaker 16 of support bar 2, several deep-slotted chip breakers
16 close up to be formed and the diameter identical positioning hole 17 of support bar 2.Fastening block 13 is provided with insertion fastening block 13 and is located at end simultaneously
Fastening bolt 15 in supporting table 1.
As shown in figure 4, the cylindrical bracing piece for fastening support bar 2 is evenly arranged between adjacent support bar 2
22, the both ends of bracing piece 22 are respectively arranged with the external screw thread 24 of fitting lateral wall, and support bar 2 is provided with for docking bracing piece 22
Connecting rod 21, the top of connecting rod 21 are again provided with external screw thread 24, and internal diameter and the external diameter phase of bracing piece 22 are arranged with bracing piece 22
Same adapter sleeve 23, the madial wall of adapter sleeve 23 are provided with the thread groove 25 for coordinating external screw thread 24.The both ends difference of adapter sleeve 23
Offer seal groove 26, be provided with seal groove 26 madial wall fitting the lateral wall of bracing piece 22 sealing gasket 27, sealing gasket 27 by
Elastomeric material is made, and reaches sealing external screw thread 24 and the purpose inside adapter sleeve 23, avoids rainwater weather from causing adapter sleeve 23 to be given birth to
Rust.The distal tip of bracing piece 22 is provided with square stopper slot 28, and stopper slot 28 penetrates the end of bracing piece 22, connecting rod 21
End be provided with coordinate stopper slot 28 positive stop strip 29, positive stop strip 29 is inserted in stopper slot 28, makes bracing piece 22 right rapidly
Quasi- connecting rod 21.
As shown in figure 4, bracing piece 22 and the shape of support bar 2 angle at 45 °, adjacent bracing piece 22 are orthogonal.Adjacent two
Support bar 2 between root bracing piece 22 and two bracing pieces 22 forms firm triangle, two bracing pieces 22 and support bar 2 it
Between can mutually support.The length direction of the interior edge itself of bracing piece 22 offers the cavity 221 of cylinder, and the quality of bracing piece 22 subtracts
Gently, convenient transportation, while also reduce cost, what is be subject to due to bracing piece 22 is along the pulling force in its length direction, therefore simultaneously
A large amount of reductions that bracing piece 22 will not be caused to withstand forces because of hollow.
As shown in figure 5, the top of support bar 2 is provided with fixed frame 3, the lower surface of fixed frame 3 is provided with to be bonded for support bar 2
The fixing groove 31 of insertion, the upper surface of fixed frame 3 are provided with the underside shape identical neck with arch rib as shown in Figure 14
32.Support bar 2 is further fixed by fixed frame 3, limits the moving range of support bar 2, while increase arch rib 4 by neck 32
With the contact area of support.
Installation process：After support bar 2 is inserted into locating slot 11, then fastening block 13 is put into binding groove 12, several fastenings
The deep-slotted chip breaker 16 of block 13 is bonded the lateral wall of support bar 2, reduces the gap between locating slot 11 and support bar 2, avoids processing from missing
Difference causes support bar 2 inclination to be present.Fastening bolt 15 is tightened in fastening block 13, can be to reach the mesh of fixed fastening block 13
, fastening block 13 is extruded into binding groove 12 when avoiding support bar 2 crooked.
After support bar 2 is set in into locating slot 11, and by bracing piece 22 be placed on corresponding between connecting rod 21, will strengthen
Adapter sleeve 23 on bar 22 screws off, and the thread groove 25 in adapter sleeve 23 is coordinated with the external screw thread 24 in connecting rod 21, from
And reach the purpose for being fixedly connected with bracing piece 22 with support bar 2.Equally distributed bracing piece 22 can balancedly share branch simultaneously
The reaction force that strut 2 is subject to, avoid part support bar 2 from undertaking the gravity of most of arch rib 4, cause easily to bend.By arch rib 4
After being erected at the neck 32 on fixed frame 3 Nei, arch rib 4 and fixed frame 3 are fixed, just complete to support the fixed of arch rib 4.
When needing dismounting, after fixed frame 3 and arch rib 4 are taken apart, by the cycle bracing piece 22 of adapter sleeve 23, can so that plus
Strong bar 22 is separated with connecting rod 21, while the fastening bolt 15 in supporting table 1 is outwarded winding, and fastening block 13 is taken out, can be with
Support bar 2 is detached from supporting table 1, convenient dismounting.
Claims (8)
- A kind of 1. long-span steel pipe arch bridge assembling construction arch rib support, it is characterised in that：Including offering locating slot (11) Supporting table (1), the supporting table (1) are provided with the support bar (2) that end fitting is set in locating slot (11), the support bar (2) bracing piece (22) for fastening support bar (2) is evenly arranged between, bracing piece (22) both ends are respectively arranged with patch The external screw thread (24) of lateral wall is closed, the support bar (2) is provided with the connecting rod (21) for docking bracing piece (22), the company Extension bar (21) top is again provided with external screw thread (24), and internal diameter and bracing piece (22) external diameter phase are arranged with the bracing piece (22) Same adapter sleeve (23), the madial wall of the adapter sleeve (23) are provided with the thread groove (25) for coordinating external screw thread (24).
- 2. long-span steel pipe arch bridge assembling construction arch rib support according to claim 1, it is characterised in that：The fastening The both ends of set (23) offer seal groove (26) respectively, and madial wall fitting bracing piece (22) is provided with the seal groove (26) outside The sealing gasket (27) of side wall, the sealing gasket (27) are made up of elastomeric material.
- 3. long-span steel pipe arch bridge assembling construction arch rib support according to claim 1, it is characterised in that：The reinforcement The distal tip of bar (22) is provided with the stopper slot (28) along bracing piece (22) radial direction, and the end of the connecting rod (21) is set It is equipped with the positive stop strip (29) for coordinating stopper slot (28).
- 4. long-span steel pipe arch bridge assembling construction arch rib support according to claim 1, it is characterised in that：The reinforcement Bar (22) and support bar (2) shape angle at 45 °, the adjacent bracing piece (22) are orthogonal.
- 5. long-span steel pipe arch bridge assembling construction arch rib support according to claim 1, it is characterised in that：The positioning The binding groove (12) of taper is offered on groove (11), the fastening block of several fitting madial walls is provided with the binding groove (12) (13), offered on the inside of the fastening block (13) and support bar (2) radius identical deep-slotted chip breaker (16), several deep-slotted chip breakers (16) positioning hole (17) to be formed and be passed through for support bar (2) is closed up.
- 6. long-span steel pipe arch bridge assembling construction arch rib support according to claim 5, it is characterised in that：The fastening Block (13) is provided with insertion fastening block (13) while end is located at fastening bolt (15) in supporting table (1).
- 7. long-span steel pipe arch bridge assembling construction arch rib support according to claim 1, it is characterised in that：The support Bar (2) top is provided with fixed frame (3), and the lower surface of the fixed frame (3) is provided with the fixation for support bar (2) fitting insertion Groove (31), the upper surface of the fixed frame (3) are provided with and the underside shape identical neck (32) of arch rib (4).
- 8. long-span steel pipe arch bridge assembling construction arch rib support according to claim 1, it is characterised in that：The reinforcement The length direction of bar (22) interior edge itself offers cavity (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720422926.9U CN206736733U (en) | 2017-04-21 | 2017-04-21 | Long-span steel pipe arch bridge assembling construction arch rib support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720422926.9U CN206736733U (en) | 2017-04-21 | 2017-04-21 | Long-span steel pipe arch bridge assembling construction arch rib support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206736733U true CN206736733U (en) | 2017-12-12 |
Family
ID=60561525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720422926.9U Expired - Fee Related CN206736733U (en) | 2017-04-21 | 2017-04-21 | Long-span steel pipe arch bridge assembling construction arch rib support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206736733U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110144827A (en) * | 2019-06-03 | 2019-08-20 | 中建钢构有限公司 | Across highway bridge construction technology |
| CN111608693A (en) * | 2020-06-02 | 2020-09-01 | 仲恺农业工程学院 | High-strength steel pipe concrete arch |
| CN113106833A (en) * | 2021-05-21 | 2021-07-13 | 中铁广州工程局集团有限公司 | Special-shaped pedestrian landscape bridge structure and construction method thereof |
-
2017
- 2017-04-21 CN CN201720422926.9U patent/CN206736733U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110144827A (en) * | 2019-06-03 | 2019-08-20 | 中建钢构有限公司 | Across highway bridge construction technology |
| CN111608693A (en) * | 2020-06-02 | 2020-09-01 | 仲恺农业工程学院 | High-strength steel pipe concrete arch |
| CN113106833A (en) * | 2021-05-21 | 2021-07-13 | 中铁广州工程局集团有限公司 | Special-shaped pedestrian landscape bridge structure and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20210421 |