CN206680869U - Short line casting box beam pier top block rackwork - Google Patents
Short line casting box beam pier top block rackwork Download PDFInfo
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- CN206680869U CN206680869U CN201720179578.7U CN201720179578U CN206680869U CN 206680869 U CN206680869 U CN 206680869U CN 201720179578 U CN201720179578 U CN 201720179578U CN 206680869 U CN206680869 U CN 206680869U
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- top block
- pier top
- pier
- cross bar
- bracket
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Abstract
The utility model discloses a kind of short line casting box beam pier top block rackwork, including at least two first cross bars wear and protrude from two webs of pier top block；A pair of brackets are oppositely arranged on two web outsides, and the bracket is fixed on the free end of the first cross bar, to form a horizontal upper mounting plate；A pair of brackets are located at below bracket and are separately fixed at the both sides of pier shaft, to form a horizontal lower platform；A pair of three-way jacks are oppositely arranged on the lower platform of pier shaft both sides, and the piston rod of three-way jack is against on the lower surface of bracket, to lift pier top block；Also include internal support device, it includes stull mechanism and diagonal brace mechanism, contradicts respectively on the inwall of two webs and on pier top block top plate lower surface.The utility model has overcome at the top of pier top block box beam bottom and pier shaft between locus it is excessively narrow and the defects of three-way jack can not be put, and there is the beneficial effect in crack in concrete when avoiding the pier top block web from transposing.
Description
Technical field
It the utility model is related to bridge slug matching pier top block field.More specifically, it the utility model is related to one kind
Short line casting box beam pier top block rackwork.
Background technology
In the construction of short line casting pile equipment, it is necessary first to pier top block is installed, needs to carry out precisely after the lifting of pier top block
Positioning, conventional method is to place three-way jack in pier top to be transposed, in routinely positioning construction, pier top block box beam bottom
It must have enough spaces to put a three-way jack between at the top of portion and pier shaft, the plan-position and elevation of pier top box beam entered
Row precisely regulation, but in special bridge section, pier top block bottom and the locus at the top of pier shaft are narrow, and existing to place
The problem of three-way jack is transposed.
Utility model content
A purpose of the present utility model is that solve at least the above, and provides the advantages of at least will be described later.
The utility model also has a purpose to be to provide a kind of short line casting box beam pier top block rackwork, can overcome pier top
Between at the top of block box beam bottom and pier shaft locus it is excessively narrow and the defects of three-way jack can not be put, reaching easily to pacify
Three-way jack is put, the effect of positioning construction is conveniently carried out to pier top block, and it is simple in construction, load-bearing is reliable, also has and avoids pier
There is the effect in crack in concrete when jacking block web is transposed.
In order to realize according to these purposes of the present utility model and further advantage, there is provided a kind of short line casting box beam pier top block
Rackwork, including：
At least two first cross bars, it wears and protrudes from two webs of pier top block；
A pair of brackets, it is oppositely arranged on outside two webs, and the bracket is fixed on the free end of first cross bar, with
Form a horizontal upper mounting plate；
A pair of brackets, it is located at below the bracket and is separately fixed at the both sides of pier shaft, with formed one it is horizontal under
Platform；
A pair of three-way jacks, it is oppositely arranged on the lower platform of the bracket of pier shaft both sides, the three-way jack
Piston rod is against on the lower surface of the bracket, to lift pier top block.
Preferably, the bracket includes：Upper flat plate, lower flat board and connect the upper flat plate and the lower flat board
Connecting rod, described upper flat plate one end, which is fixed on pier shaft, forms the lower platform, and it is upper that described lower flat board one end is fixed on pier shaft
Below the upper flat plate.
Preferably, the upper flat plate is arranged to：At least two the second cross bars for wearing and protruding from pier shaft are described flat
One end of plate is through on the free end of second cross bar and fixed；
The lower flat board is arranged to：Multiple grooves are arranged on pier shaft below the upper flat plate, the lower flat board
One end is accommodated in the groove and fixed.
Preferably, the quantity of second cross bar is eight, and is set perpendicular to vertical bridge floor direction.
Preferably, in addition to multiple internal support devices, any one internal support device include：
One stull mechanism, it includes the first adjusting rod and two singletrees, and two singletrees are screwed onto described respectively
The both ends of one adjusting rod, the free end of two singletrees contradict on the inwall of two webs respectively, first adjusting rod two
The hand of spiral at end is opposite；
Liang Ge diagonal braces mechanism, any one diagonal brace mechanism include the second adjusting rod and two hounds, two hounds point
The both ends of the second adjusting rod are not screwed onto, wherein, the free end of a hound is hinged on singletree, another hound
Free end is contradicted on pier top block top plate lower surface, and the hand of spiral at the second adjusting rod both ends is opposite.
Preferably, the quantity of the internal support device is two.
Preferably, the bracket is provided with through hole, and the through hole is engaged with first cross bar, so that the through hole
It is through on first cross bar, first cross bar is provided with screw thread, is provided with first cross bar outside the bracket
Clamp nut.
Preferably, first cross bar and second cross bar are finish rolling deformed bar.
Preferably, the quantity of first cross bar is eight, and is set perpendicular to vertical bridge floor direction.
The utility model comprises at least following beneficial effect：
Firstth, locus is excessively narrow and can not put three-dimensional between can overcoming at the top of pier top block box beam bottom and pier shaft
The defects of jack, three-way jack can be easily disposed, it is convenient that positioning construction, and tune of the present utility model are carried out to pier top block
Position device load-bearing is reliable, can also protect pier top block web during positioning, makes that it is equally loaded, avoids web concrete from splitting
Seam；
The secondth, second cross bar is set on pier top block, allow two brackets to be fixed on the second cross bar, can be by two brackets
Connect, reach the purpose for making two bracket uniform force balances, so that two web stress uniform balances, both reach solid
Determine the purpose of bracket, make the balanced effect of bracket load again；
3rd, lower platform is using bracket, and is to be fixed on by the second cross bar and groove on pier shaft, can cause
During bracket load-bearing, its active force is delivered on whole pier shaft, ensures the reliability of bracket load-bearing, and the lower end of bracket is inserted in pier shaft
On, pier shaft can be made to give the effect of corbels support again, further enhance the reliability of bracket load-bearing；
4th, pier top block is transposed using three-way jack, can precisely adjusts the plan-position of pier top block simultaneously
And height, and small volume itself, occupy little space；
5th, internal support device is arranged on pier top block in advance, when carrying out the positioning of pier top block, the second cross bar and bracket are to pier
The horizontal and vertical pressure of jacking block web tool, and internal support device can be against on the inside of web and on the inside of pier top block top plate, get flat
The effect for this pressure that weighs, so as to get the effect of protection web, avoid web concrete from crack occur, and influence whole bridge
Service life.
Further advantage, target and feature of the present utility model embody part by following explanation, and part will also pass through
Research of the present utility model and practice are understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is side structure schematic diagram of the present utility model；
Fig. 2 is the schematic diagram of the utility model internal support device；
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be noted that in description of the present utility model, term " on ", " under ", " vertical ", " level ", " top ",
The orientation or position relationship of the instruction such as " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, merely to just
Described in description the utility model with simplified, be not instruction or imply that signified device or element must be with specifically sides
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
As shown in Fig. 1~2, the utility model provides a kind of rackwork of short line casting box beam pier top block 2, including：
At least two first cross bars 11, it wears and protrudes from two webs of pier top block 2；
A pair of brackets 1, it is oppositely arranged on two web outsides, and the bracket 1 is fixed on oneself of first cross bar 11
By holding, to form a horizontal upper mounting plate；
A pair of brackets, it is positioned at the lower section of the bracket 1 and is separately fixed at the both sides of pier shaft 6, horizontal to form one
Lower platform；
A pair of three-way jacks 3, it is oppositely arranged on the lower platform of the bracket of the both sides of pier shaft 6, the three-way jack 3
Piston rod be against on the lower surface of the bracket 1, to lift pier top block 2.
In the construction of short line casting pile equipment, it is necessary first to pier top block 2 is installed, pier top block 2 needs to carry out essence after lifting
Quasi- positioning, that is, carry out the accurate adjustment of horizontal level and vertical height, pacified between pier top block 2 and pier shaft 6 under normal circumstances
Three-way jack 3 is put to be adjusted, but for special circumstances, for example the bottom of pier top block 2 and the top of pier shaft 6 are due to locus
It is excessively narrow, three-way jack 3 can not be disposed, is just difficult to accurately transpose to pier top block 2, in above-mentioned technical proposal
In, when pier top block 2 carries out prefabricated, multiple through holes are reserved on web, after pier top block 2 is lifted, the first cross bar 11 is passed through
Through hole is simultaneously protruded, then bracket 1 is fixed on to the protruding parts of the first cross bar 11, a horizontal upper mounting plate is formed, positioned at two
The outside of individual web；
In the lower section of bracket 1, a pair of brackets are separately fixed at the both sides of pier shaft 6, a horizontal lower platform are formed, for putting
Three-way jack 3 is put, a pair of three-way jacks 3 are respectively disposed on a pair of brackets, and height of the bracket on pier shaft 6 is appropriate, makes
Obtaining the piston rod of three-way jack 3 can be arrived on the lower surface of bracket 1, and the piston rod of adjustment three-way jack 3 can be got
The effect of pier top block 2 is jacked up, when three-way jack 3 jacks up pier top block 2, the vertical height of pier top block 2 can be adjusted, and is worked as
Three-way jack 3 jacks up pier top block 2, and when horizontal level moves, and can adjust the plan-position of pier top block 2, and three
The mode moved to jack 3 on horizontal level have a lot, than if any the bottom of three-way jack 3 be provided with slide plate, slide plate
Slide, drive three-way jack 3 to move, so as to drive pier top block 2 to move.
In another technical solution, the bracket includes：Upper flat plate 41, lower flat board 42 and the connection upper flat plate
41 and the connecting rod 43 of the lower flat board 42, described one end of upper flat plate 41, which is fixed on pier shaft, forms the lower platform, under described
The one end of flat board 42 is fixed on pier shaft positioned at the lower section of upper flat plate 41.
In the above-mentioned technical solutions, upper flat plate 41 is fixed on pier shaft 6, forms a horizontal lower platform, plan-position
It is wider, facilitate the placement of three-way jack 3, then upper flat plate 41 is carried out solid again by connecting rod 43 and lower flat board 42 again
Calmly, and fixed on pier shaft 6 so that the fixation of upper flat plate 41 is relatively reliable, and load-bearing is relatively reliable, while does not also increase excessively
Complicated structure.
In another technical solution, the upper flat plate 41 is arranged to：At least two wear and protrude from the second of pier shaft
Cross bar 44, one end of the upper flat plate 41 are through on the free end of second cross bar 44 and fixed；
The lower flat board 42 is arranged to：Multiple grooves 45 are arranged on pier shaft below the upper flat plate 41, under described
One end of flat board 42 is accommodated in the groove 45 and fixed.
In the above-mentioned technical solutions, pier shaft 6 reserves multiple through holes in cast in the upside of pier shaft 6, after waiting pier shaft 6 to solidify,
Second cross bar 44 through through hole and is protruded, then the upper flat plate 41 of bracket is fixed on to the protruding parts of the second cross bar 44, shape
The lower platform horizontal into one, fixed mode has a variety of here, for example sets through hole on upper flat plate 41, by the second cross bar 44
Protruding parts insertion through hole in, for example the cross bar 44 of upper flat plate 41 and second is all steel material, and upper flat plate 41 is welded on into second
The protruding parts of cross bar 44；
In order that upper flat plate 41 fixes relatively reliable, reserved multiple grooves 45 on pier shaft 6 so that pass through with upper flat plate 41
Connecting rod 43 and lower flat board 42 are fixed in groove 45, in the lower one end of flat board 42 insertion groove 45 and fixed so that lower flat board 42
The power born is delivered on pier shaft 6, thus can strengthen the load-bearing reliability of upper flat plate 41, and lower flat board 42 is fixed on groove 45
Mode has a variety of, for example pours into a mould fixed form, for example is provided with built-in fitting in groove 45, so that lower flat board 42 is overlapped on built-in fitting
On, built-in fitting is to install or be imbedded in advance the component in concealed work, is the component and fitting disposed when structure is poured into a mould, for building
Overlap joint during superstructure is built, so that the installation of field engineering Equipment Foundations is fixed, built-in fitting is manufactured by metal mostly, such as
Reinforcing bar or cast iron, it is also possible to the non-metallic rigid material such as wood, plastics.
In another technical solution, the quantity of second cross bar 44 is eight, and is set perpendicular to vertical bridge floor direction.
Fix a pair of upper flat plates 41 with eight second cross bars 44, be in order that upper flat plate 41 fix it is more firm, and the second cross bar 44 hang down
Directly being set in vertical bridge floor direction, when can make the positioning of pier top block 2, web stress is more symmetrical, reduces unnecessary web damage, its
In, fixed eight second cross bars 44 with a pair of brackets, line up two rows, often arrange four, eight the same sides of second cross bar 44 it is convex
Go out position while penetrate in a upper flat plate 41 and fix, upper flat plate 41 can be made more firm.
In another technical solution, in addition to multiple internal support devices, any one internal support device include：
One stull mechanism, it includes the first adjusting rod 51 and two singletrees 52, and two singletrees 52 are screwed onto respectively
The both ends of first adjusting rod 51, the free end of two singletrees 52 contradict on the inwall of two webs respectively, and described
The hand of spiral at the both ends of one adjusting rod 51 is opposite；
Liang Ge diagonal braces mechanism, any one diagonal brace mechanism include the second adjusting rod 53 and two hounds 54, two diagonal braces
Bar 54 is screwed onto the both ends of the second adjusting rod 53 respectively, wherein, the free end of a hound 54 is hinged on singletree 52, separately
The free end of a piece hound 54 is contradicted on the top plate lower surface of pier top block 2, the hand of spiral at the both ends of the second adjusting rod 53
Conversely.
In the above-mentioned technical solutions, before carrying out pier top block 2 and transposing, above-mentioned internal support device is first disposed on pier top block 2, i.e.,
Stull mechanism both ends are pressed on the madial wall of two webs respectively, then fixed two singletrees 52 with instrument, so as to twist
During dynamic first adjusting rod 51, two singletrees 52 will not rotate together, and reaching makes two singletrees 52 to the purpose extended out, so that
Stull mechanism is pushed against web, then the free end of diagonal brace mechanism is pressed on the top plate lower surface of pier top block 2 again, and cause oblique
Strut 54 parallel to its web in the same side, equally two hounds 54 are fixed using instrument, so as to turn the second tune
During pole 53, two hounds 54 will not rotate together, and reaching makes two hounds 54 to the purpose extended out, so that diagonal brace machine
Structure pushes against top plate, is arranged such, and when carrying out the positioning of pier top block 2, because web is inclined, can be had interior by inward force
Support arrangement is withstood, and can prevent web concrete from crack occur, reaches the purpose of protection web.
In another technical solution, the quantity of the internal support device is two.Two inner supports are set to fill on pier top block 2
Put, and two internal support devices are parallel to each other, and are symmetrically against on web, make web stress symmetrical equilibrium, can preferably protect
Protect web.
In another technical solution, the bracket 1 is provided with through hole, and the through hole matches with first cross bar 11
Close, so that the through hole is through on first cross bar 11, first cross bar 11 is provided with screw thread, on first cross bar 11
Clamp nut is provided with positioned at the outside of bracket 1.Through hole is set on bracket 1, and the protruding parts of the first cross bar 11 is worn
Enter through hole, then fixed with clamp nut, can fix bracket 1 more firm, improve security.
In another technical solution, first cross bar 11 and second cross bar 44 are finish rolling deformed bar.In advance should
Power concrete is also referred to as finish rolling deformed bar with spiral, is to be rolled with externally threaded major diameter, high intensity, height on whole reinforcing bar
The straight steel bar of dimensional accuracy, the reinforcing bar is all screwed at arbitrary section is attached or screws on band with female connector
The nut of screw thread is anchored, and has connection, anchoring simplicity, adhesion strength is strong, and stretch-draw anchor is safe and reliable, easy for construction etc. excellent
Point, bracket 1 and bracket fixation can be made more firm.
In another technical solution, the quantity of first cross bar 11 is eight, and is set perpendicular to vertical bridge floor direction.
Two brackets 1 are fixed with eight first cross bars 11, are to further improve its security, fixing, and the first cross bar 11
Being set perpendicular to vertical bridge floor direction, when can make the positioning of pier top block 2, web stress is more symmetrical, reduces unnecessary web damage,
Wherein, eight first cross bars 11 line up two rows, often arrange four, the protruding parts of four the same sides of first cross bar 11 penetrates one simultaneously
Individual bracket 1 is simultaneously fixed, enhances the steadiness and security of bracket 1.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (9)
- A kind of 1. short line casting box beam pier top block rackwork, it is characterised in that including：At least two first cross bars, it wears and protrudes from two webs of pier top block；A pair of brackets, it is oppositely arranged on two web outsides, and the bracket is fixed on the free end of first cross bar, with shape The upper mounting plate horizontal into one；A pair of brackets, it is located at below the bracket and is separately fixed at the both sides of pier shaft, to form a horizontal lower platform；A pair of three-way jacks, it is oppositely arranged on the lower platform of the bracket of pier shaft both sides, the piston of the three-way jack Bar is against on the lower surface of the bracket, to lift pier top block.
- 2. short line casting box beam pier top block rackwork as claimed in claim 1, it is characterised in that the bracket includes：It is upper flat Plate, lower flat board and the connecting rod for connecting the upper flat plate and the lower flat board, described upper flat plate one end is fixed on shape on pier shaft Into the lower platform, described lower flat board one end is fixed on pier shaft below the upper flat plate.
- 3. short line casting box beam pier top block rackwork as claimed in claim 2, it is characterised in that the upper flat plate is arranged to： At least two the second cross bars for wearing and protruding from pier shaft, one end of the upper flat plate are through on the free end of second cross bar It is and fixed；The lower flat board is arranged to：Multiple grooves are arranged on pier shaft below the upper flat plate, one end of the lower flat board It is accommodated in the groove and fixed.
- 4. short line casting box beam pier top block rackwork as claimed in claim 3, it is characterised in that the quantity of second cross bar For eight, and set perpendicular to vertical bridge floor direction.
- 5. short line casting box beam pier top block rackwork as claimed in claim 1, it is characterised in that also filled including multiple inner supports Put, any one internal support device includes：One stull mechanism, it includes the first adjusting rod and two singletrees, and two singletrees are screwed onto described first and adjusted respectively The both ends of pole, the free end of two singletrees contradict on the inwall of two webs respectively, the first adjusting rod both ends Hand of spiral is opposite；Liang Ge diagonal braces mechanism, any one diagonal brace mechanism include the second adjusting rod and two hounds, and two hounds distinguish spiral shell The both ends of the second adjusting rod are connected on, wherein, the free end of a hound is hinged on singletree, the freedom of another hound End is contradicted on pier top block top plate lower surface, and the hand of spiral at the second adjusting rod both ends is opposite.
- 6. short line casting box beam pier top block rackwork as claimed in claim 5, it is characterised in that the quantity of the internal support device For two.
- 7. short line casting box beam pier top block rackwork as claimed in claim 1, it is characterised in that the bracket is provided with logical Hole, the through hole are engaged with first cross bar, so that the through hole is through on first cross bar, on first cross bar Provided with screw thread, clamp nut is provided with outside the bracket on first cross bar.
- 8. short line casting box beam pier top block rackwork as claimed in claim 3, it is characterised in that first cross bar and described Second cross bar is finish rolling deformed bar.
- 9. short line casting box beam pier top block rackwork as claimed in claim 1, it is characterised in that the quantity of first cross bar For eight, and set perpendicular to vertical bridge floor direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720179578.7U CN206680869U (en) | 2017-02-27 | 2017-02-27 | Short line casting box beam pier top block rackwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720179578.7U CN206680869U (en) | 2017-02-27 | 2017-02-27 | Short line casting box beam pier top block rackwork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206680869U true CN206680869U (en) | 2017-11-28 |
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ID=60391768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720179578.7U Active CN206680869U (en) | 2017-02-27 | 2017-02-27 | Short line casting box beam pier top block rackwork |
Country Status (1)
| Country | Link |
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| CN (1) | CN206680869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700102A (en) * | 2019-10-12 | 2020-01-17 | 重庆建工建筑产业技术研究院有限公司 | Construction method of prestressed steel structure front-pull rear-lock cast-in-place platform |
-
2017
- 2017-02-27 CN CN201720179578.7U patent/CN206680869U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700102A (en) * | 2019-10-12 | 2020-01-17 | 重庆建工建筑产业技术研究院有限公司 | Construction method of prestressed steel structure front-pull rear-lock cast-in-place platform |
| CN110700102B (en) * | 2019-10-12 | 2024-01-09 | 重庆建工建筑产业技术研究院有限公司 | Construction method of pre-stress steel structure front-pull rear-lock cast-in-situ platform |
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