CN207749417U - A kind of concrete king-post internal model stiff skeleton - Google Patents
A kind of concrete king-post internal model stiff skeleton Download PDFInfo
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- CN207749417U CN207749417U CN201721308199.XU CN201721308199U CN207749417U CN 207749417 U CN207749417 U CN 207749417U CN 201721308199 U CN201721308199 U CN 201721308199U CN 207749417 U CN207749417 U CN 207749417U
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- stiff skeleton
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Abstract
The utility model discloses a kind of concrete king-post internal model stiff skeletons, including stiff skeleton main body, lifting device and lateral fixing device, the stiff skeleton main body is sectional type splicing structure, the lifting device is arranged in the vertical plane of the stiff skeleton main body, and the lateral fixing device is arranged in the cross section of the stiff skeleton main body.The utility model proposes concrete king-post internal model stiff skeleton can carry out assembled with construction at the construction field (site), shorten the preparatory period of construction, improve efficiency using the structure of section assembling.The lifting device of setting is moved by predetermined trajectory, and the accessory that the construction of the bridge towers such as anchor plate, truss frame for connecting, reinforcing bar and template needs is hung liter, improves the safety of working at height, operation is more convenient.
Description
Technical field
The utility model is related to a kind of bridge tower construction attachment more particularly to a kind of concrete king-post internal model stiff skeletons.
Background technology
Large span stayed-cable bridge, suspension bridge are the high order redundant structure systems that a kind of king-post is high, girder span is big.To ensure
The quality and safety of king-post construction, in such a way that stiff skeleton auxiliary construction is the most common type.Stiffness bone used at present
Frame generally uses steel truss to design, and rigidity is big.Using the technique of prefabrication shaped steel segment site welding, by stiff skeleton in tower
It is integrally welded in column, and pour in the concrete of king-post, still, stiff skeleton is not involved in structure stress and cannot repeat profit
With steel consumption is huge.It is very big additionally, due to stiff skeleton rigidity, uncoordinated with concrete deformation when lateral stressed, bridge
Tower inner concrete is easy to generate crack along stiff skeleton direction, influences service life.
In view of the existing defect of above-mentioned existing king-post construction, the utility model people is based on being engaged in such product design system
Abundant for many years practical experience and professional knowledge are made, and coordinates the utilization of scientific principle, is actively subject to research and innovation, to found one kind
Concrete king-post internal model stiff skeleton and the method for carrying out bridge tower construction, make it have more practicability.By constantly studying, setting
Meter, and after studying sample repeatedly and improving, the utility model having practical value is created finally.
Utility model content
The main purpose of the utility model is that overcoming the existing existing defect of king-post construction, and provide concrete towers
Column internal model stiff skeleton and the method for carrying out bridge tower construction, shorten construction period, improve stability, thus more suitable for practicality,
And with the utility value in industry.
In order to solve the above-mentioned technical problem, technical solution used by the utility model is：
The utility model proposes a kind of concrete king-post internal model stiff skeleton, including stiff skeleton main body, lifting device
And lateral fixing device, the stiff skeleton main body are monoblock type erecting structure, and are fixed temporarily using drag-line, the promotion dress
It installs in the vertical plane of the stiff skeleton main body, the cross in the stiff skeleton main body is arranged in the lateral fixing device
In section.
Further：The stiff skeleton main body is made of more I-steel, and the more I-steel are parallel to each other and hang down
Directly it is arranged in ground.
Further：Further include anchor plate, the anchor plate is fixed on the outside of the stiff skeleton main body.
Further：The anchor plate is polylith, and two pieces of the anchor plate is one group, and opposite setting is in the stiffness bone
At the lateral surface of frame body.
Further：Track is set on the I-steel vertical plane of the stiff skeleton main body, and the lifting device is along institute
State track movement.
Further：The lifting device is electric block, and is provided between electric block described in two adjacent groups flexible
Bar, for adjusting the distance between I-steel described in adjacent two groups.
Further：The lateral fixing device is truss frame for connecting, and the both ends of the truss frame for connecting are separately fixed at relatively
On two pieces of anchor plates being arranged.
The method that concrete king-post internal model stiff skeleton carries out bridge tower construction, including following operating procedure,
The I-steel is disposably welded into integral hoisting after stiff skeleton main body, is vertically disposed in cushion cap by step 1
On, and consolidated with cushion cap steel reinforcement cage, it is embedded in cushion cap, top is fixed temporarily using drag-line, pours cushion cap concrete；
Step 2, the attachment rail in the stiff skeleton main body vertical plane, and lifting device is set in orbit, by institute
The outside that anchor plate is fixed on the stiff skeleton main body is stated, anchor plate installs the lateral fixing device after installing；
Step 3 repeats step 2, until anchor plate corresponding with the stiff skeleton main body and lateral fixing device are complete
Complete installation in portion；
Step 4 builds steel reinforcement cage using lifting device lifting reinforcing bar and sets up template, casting concrete after the completion of setting up；
Step 5, lifting device move up, and step 2 ~ step 4 are repeated, until entire bridge tower construction finishes.
Step 6: waiting for reeving after bridge tower is all built, the end of rope is fixed on the anchor plate.
Further：Stiff skeleton main body is made of more I-steel, wherein the I-steel web and I-steel of same segment
Edge of a wing plate welding seams are not in the same plane.
Further：In the step 4, after the completion of setting up when casting concrete, the concrete poured does not cover scattered rope
Saddle.
The utility model has the beneficial effects that：
1. the lifting device being arranged is moved by predetermined trajectory, by bridges such as anchor plate, truss frame for connecting, reinforcing bar and templates
The accessory that tower construction needs hangs liter, improves the safety of working at height, and operation is more convenient.
2. lateral fixing device, that is, truss frame for connecting is arranged in the inside of stiff skeleton, stiff skeleton is improved in the construction process
Antitorque and anti-flexion capabilities, play the role of self-balancing drag-line horizontal pull after cable tension.
3. lifting device preferably uses electric hoist, there is automatic climbing and fixed function, automatic climbing function to pass through certainly
The motor that body carries realizes that motor drives steamboat to climb upwards along track when needing to climb；Automatic fixed function is logical
High-speed double electromagnet is crossed, opens electro-magnet switch when needing fixed, electric hoist is increased without volume together with I-steel tightly sorption
Outer lifting system, equipment are simplified.
4. the utility model proposes concrete king-post internal model stiff skeleton can serve as temporary support in the construction process,
Suspension cable anchored end subsequently is can be used as, purposes is wider.
Description of the drawings
Fig. 1 is the utility model concrete king-post internal model stiff skeleton overall schematic；
Fig. 2 is anchor plate and truss frame for connecting schematic diagram；
Fig. 3 is utility model concrete king-post internal model stiff skeleton segment schematic diagram；
Mark meaning in figure：1. I-steel, 11. I-steel webs, 12. I-steel flange plates, 2. anchor plates, 21. pegs
Group, 22. scattered cable saddles, 23. anchored ends, 3. truss frame for connecting, 4. electric blocks, 5. tracks, 6. cushion caps, 7. telescopic rods, 8. hooks.
Specific implementation mode
Below in conjunction with Figure of description, the utility model is further described.
Include I-steel such as the concrete king-post internal model stiff skeleton structural schematic diagram of the described the utility model in Fig. 1 ~ 3
1, anchor plate 2, truss frame for connecting 3, electric block 4, track 5, peg group 21, scattered cable saddle 22, I-steel web 11 and the I-steel wing
Listrium 12.
Including stiff skeleton main body, lifting device and lateral fixing device, stiff skeleton main body is monoblock type erecting structure,
And be fixed temporarily using drag-line, wherein lifting device is arranged in the vertical plane of stiff skeleton main body, lateral fixing device setting
In the cross section of stiff skeleton main body.
As a kind of preferred embodiment, stiff skeleton main body is made of more I-steel 1, most preferably by four works
Word steel 1 forms square structure, and more I-steel 1 are parallel to each other and are arranged perpendicular to ground.
Further include having anchor plate 2, anchor plate 2 is fixed on stiff skeleton main body to complete the assembly between upper-lower segment
Outside, it is symmetrical to be arranged in stiff skeleton master wherein every two pieces of anchor plates 2 are one group specifically, anchor plate 2 includes polylith
At the lateral surface of body I-steel 1.Wherein anchor plate 2, which is fixed by peg group 21 or the fixed forms such as is welded and fixed, is fixed on work
The outer surface of word steel.It is any anchor plate 2 and 1 fixed mode of I-steel can be selected.Cable saddle 22 is dissipated to be arranged in anchor
The lateral surface of solid plate 2.
Truss frame for connecting 3 is used as most preferred lateral fixing device, both ends to be separately fixed at two pieces of anchorings being oppositely arranged
On plate 2, it is antitorque with anti-flexion capabilities to improve stiff skeleton in the construction process, and it is horizontal that self-balancing drag-line is played after cable tension
The effect of pulling force, connection structure are as shown in Figure 2.
After the completion of ensureing that the operation of lifting device, I-steel 1 position, attachment rail 5, track 5 is mounted on I-steel 1
Vertical plane on, lifting device is moved along track 5.Four I-steel 1 are respectively provided with track 5, and most preferred lifting device is using electricity
Dynamic cucurbit 4, electric block 4 is in the respectively installation two of four sides of bridge tower, totally 8, i.e. installs two electronic calabashes on every I-steel 1
Reed 4.
Electric block 4 has automatic climbing as lifting equipment lifting anchor plate 2, truss frame for connecting 3, reinforcing bar and template
With fixed function, automatic climbing function realizes that motor drives steamboat edge when needing to climb by self-contained motor
Track 5 to climb upwards；Automatic fixed function opens electro-magnet switch, electric block 4 by high-speed double electromagnet when needing fixed
Together with the tightly sorption of I-steel 1.The hook 8 being easy to lift is additionally provided on electric block 4.Electric block 4 is as common
A kind of lifting device, concrete structure repeats no more.
In order to adjust the distance between two neighboring I-steel 1, telescopic rod 7 is provided between two adjacent groups electric block 4.
Stiff skeleton main body often increases one section, the segment of lower section one can casting concrete, can within the concrete curing phase
It is synchronous to carry out to continue the installation of upper segment steel member, save the duration.
The method that concrete king-post internal model stiff skeleton carries out bridge tower construction, including following operating procedure,
Step 1 is put stiff skeleton main body integral hoisting that I-beam is disposably welded into and vertically using large-scale tower crane
It sets on cushion cap 6, and is consolidated with 6 steel reinforcement cage of cushion cap, be embedded in cushion cap 61 ~ 2 meter, as shown in Figure 1, its top is faced using drag-line
When fix, pour cushion cap concrete；
Step 2, the attachment rail 5 in stiff skeleton main body vertical plane, and lifting device is set in track 5, i.e., it is electronic
Cucurbit 4, electric block 4 is in the respectively installation two of four sides of bridge tower, and totally 8, electric hoist lifts anchor plate 2 as lifting equipment, connects
Truss 3, regular reinforcement and template are connect, there is wherein electric hoist automatic climbing and fixed function, automatic climbing function to pass through certainly
The motor that body carries realizes that motor drives steamboat to climb upwards along track 5 when needing to climb；Automatic fixed function is logical
High-speed double electromagnet is crossed, opens electro-magnet switch when needing fixed, electric hoist is together with the tightly sorption of I-steel 1, by anchor plate 2
It is fixed on the outside of stiff skeleton main body, anchor plate 2 installs lateral fixing device, i.e. truss frame for connecting 3 after installing, such as Fig. 2
It is shown；
Step 3 repeats step 2, until anchor plate 2 corresponding with stiff skeleton main body and lateral fixing device are all complete
At installation, the both ends of truss frame for connecting 3 are individually fixed in anchor plate 2, and it is antitorque with anti-buckling to improve stiff skeleton in the construction process
Ability plays the role of self-balancing drag-line horizontal pull after cable tension, and lifting regular reinforcement using electric block 4 builds reinforcing bar
Cage simultaneously sets up template, casting concrete after the completion of setting up, particularly when bridge tower top anchor-hold area constructs, concreting
Scattered cable saddle 22 should not be covered, i.e., is exposed scattered cable saddle 22.
Step 4 builds steel reinforcement cage using the lifting reinforcing bar of lifting device, that is, electric block 4 and sets up template, after the completion of setting up
Casting concrete；
Step 5, lifting device, that is, electric block 4 move up, and step 2 ~ step 5 are repeated, until entire bridge tower has been built
Finish.Stiff skeleton often increases one section, the segment of lower section one can casting concrete, can continue within the concrete curing phase
The installation of upper segment steel member, it is synchronous to carry out, save the duration.
Step 6: waiting for reeving after bridge tower is all built, the end of rope is fixed on anchor plate 2, as oblique pull
The anchored end 23 of rope.
The above stiff skeleton main body is made of more I-steel 1, wherein the I-steel web 11 and I-steel of same segment
12 weld seam of flange plate is not in the same plane.
The utility model is intended to provide the stiff skeleton used in a kind of cable-stayed bridge pylon work progress, which exists
Construction loads, the anchored end 23 after the completion of construction as suspension cable can be undertaken in work progress as temporary support.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
By appended claims and its equivalent circle.
Claims (7)
1. a kind of concrete king-post internal model stiff skeleton, it is characterised in that：It is solid including stiff skeleton main body, lifting device and transverse direction
Determine device, the stiff skeleton main body is monoblock type erecting structure, and is fixed temporarily using drag-line, and the lifting device setting exists
In the vertical plane of the stiff skeleton main body, the lateral fixing device is arranged in the cross section of the stiff skeleton main body.
2. concrete king-post internal model stiff skeleton according to claim 1, it is characterised in that：The stiff skeleton main body by
More I-steel（1）Composition, the more I-steel（1）It is parallel to each other and perpendicular to ground be arranged.
3. concrete king-post internal model stiff skeleton according to claim 1 or 2, it is characterised in that：It further include anchor plate
（2）, the anchor plate（2）It is fixed on the outside of the stiff skeleton main body.
4. concrete king-post internal model stiff skeleton according to claim 3, it is characterised in that：The anchor plate（2）It is more
Block, the anchor plate（2）Two pieces are one group, the opposite lateral surface being arranged in the stiff skeleton main body.
5. concrete king-post internal model stiff skeleton according to claim 2, it is characterised in that：In the stiff skeleton main body
I-steel（1）Track is set on vertical plane（5）, the lifting device is along the track（5）Movement.
6. concrete king-post internal model stiff skeleton according to claim 5, it is characterised in that：The lifting device is electronic
Cucurbit（4）, and electric block described in two adjacent groups（4）Between be provided with telescopic rod（7）, for adjusting work described in adjacent two groups
Word steel（1）The distance between.
7. concrete king-post internal model stiff skeleton according to claim 4, it is characterised in that：The lateral fixing device is
Truss frame for connecting（3）, the truss frame for connecting（3）Both ends be separately fixed at two pieces of anchor plates being oppositely arranged（2）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308199.XU CN207749417U (en) | 2017-10-12 | 2017-10-12 | A kind of concrete king-post internal model stiff skeleton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308199.XU CN207749417U (en) | 2017-10-12 | 2017-10-12 | A kind of concrete king-post internal model stiff skeleton |
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| Publication Number | Publication Date |
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| CN207749417U true CN207749417U (en) | 2018-08-21 |
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| CN201721308199.XU Active CN207749417U (en) | 2017-10-12 | 2017-10-12 | A kind of concrete king-post internal model stiff skeleton |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700363A (en) * | 2017-10-12 | 2018-02-16 | 苏交科集团股份有限公司 | A kind of bridge tower stand for carrying lifting system and construction method |
| CN109098092A (en) * | 2018-09-11 | 2018-12-28 | 中铁三局集团有限公司 | A kind of hundred misso tower line type control of H-type and rapid constructing method |
| CN113718656A (en) * | 2021-09-08 | 2021-11-30 | 安徽省公路桥梁工程有限公司 | Bridge tower assembling construction method |
-
2017
- 2017-10-12 CN CN201721308199.XU patent/CN207749417U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700363A (en) * | 2017-10-12 | 2018-02-16 | 苏交科集团股份有限公司 | A kind of bridge tower stand for carrying lifting system and construction method |
| CN107700363B (en) * | 2017-10-12 | 2023-05-26 | 苏交科集团股份有限公司 | Bridge tower rack with lifting system and construction method |
| CN109098092A (en) * | 2018-09-11 | 2018-12-28 | 中铁三局集团有限公司 | A kind of hundred misso tower line type control of H-type and rapid constructing method |
| CN113718656A (en) * | 2021-09-08 | 2021-11-30 | 安徽省公路桥梁工程有限公司 | Bridge tower assembling construction method |
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