CN208501503U - A kind of protective device of overpass pre-stress construction - Google Patents
A kind of protective device of overpass pre-stress construction Download PDFInfo
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- CN208501503U CN208501503U CN201820846100.XU CN201820846100U CN208501503U CN 208501503 U CN208501503 U CN 208501503U CN 201820846100 U CN201820846100 U CN 201820846100U CN 208501503 U CN208501503 U CN 208501503U
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- support column
- overpass
- formwork
- lever
- placing
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Abstract
The utility model provides a kind of protective device of overpass pre-stress construction.The protective device of the overpass pre-stress construction includes support column, there are two the support column is set；Lever；Supporting construction, the supporting construction includes pull ring, gag lever post, two nuts, formwork for placing, built-in pipe, force application board and screw rod, the formwork for placing is layed in the top surface of the lever, the built-in pipe and the formwork for placing contradict, the built-in pipe is equipped with the force application board away from one end of the formwork for placing, the screw rod is through the lever, two nuts are respectively arranged on the formwork for placing and deviating from for the force application board holds, the screw rod is equipped with the gag lever post close to one end of the formwork for placing, and the gag lever post is equipped with the pull ring away from one end of the screw rod；First position limiting structure；Second position limiting structure；Reinforcing bar.Overpass pre-stress construction provided by the utility model has the advantages that globality is strong, stabilized structure, protection effect are good.
Description
Technical field
The utility model relates to a kind of protection of Architectural Equipment technical field more particularly to overpass pre-stress construction dresses
It sets.
Background technique
Prestressing force is in order to improve structure military service performance, in the compression that construction period is previously applied to structure, structure clothes
Pre-compression stress can completely or partially offset tensile stress caused by load during labour, and structure is avoided to destroy, and it is mixed to be usually used in overpass
Xtah Crude Clay structure is to apply pressure to it in advance before concrete structure bearing load, makes its tension in outer load action
Area's concrete internal force generates compression, to offset or reduce the tensile stress of external load generation, makes structure in the feelings of normal use
Crack is not generated under condition or splits than later, improves construction peace by protective device during overpass pre-stress construction
Quan Xing.
However the protective device of traditional overpass pre-stress construction and the globality of overpass are poor, not really effectively
The damage for preventing template during prestress application.
Therefore, it is necessary to which the protective device for providing a kind of new overpass pre-stress construction solves above-mentioned technical problem.
Utility model content
It is overhead that the technical issues of the utility model solves is to provide that a kind of globality is strong, stabilized structure, protection effect are good
The protective device of bridge pre-stress construction.
In order to solve the above technical problems, the protective device of overpass pre-stress construction provided by the utility model includes: branch
Dagger, there are two the support column is set；Lever, two support columns are symmetrically set in the end of the lever, and the support
Column is detachably connected with the lever；Supporting construction, the supporting construction are fixed on the lever, and the supporting construction includes drawing
Ring, gag lever post, two nuts, formwork for placing, built-in pipe, force application board and screw rod, the formwork for placing are layed in the lever
Top surface, the built-in pipe and the formwork for placing contradict, and the built-in pipe is equipped with described apply away from one end of the formwork for placing
Power plate, the screw rod are passed through through the lever from one end of the force application board, two nuts and the screw flight
Connection, two nuts are respectively arranged on the formwork for placing and deviating from for the force application board holds, and the screw rod is poured close to described
One end of building mould is equipped with the gag lever post, and the gag lever post is equipped with the pull ring away from one end of the screw rod；First limit
Bit architecture, first position limiting structure are fixed on the support column；Second position limiting structure, second position limiting structure are fixed on institute
State support column；Reinforcing bar, the reinforcing bar are set between two adjacent second position limiting structures.
Preferably, the gag lever post is connect with the screw flight, and the diameter of the pull ring of the limit boom end
Greater than the diameter of the screw rod.
Preferably, the support column close to one end of the lever be equipped with the second position-arresting disk, and second position-arresting disk with
The lever is detachably connected.
Preferably, second position-arresting disk is set to the end of the lever, and the diameter of second position-arresting disk is greater than institute
State the width of lever.
Preferably, first position limiting structure includes the first position-arresting disk, and first position-arresting disk is carried on the back set on the support column
One end from second position-arresting disk, and first position-arresting disk is equal with the diameter of second position-arresting disk.
Preferably, first position limiting structure further includes limit hole, and the limit hole, which is set to first position-arresting disk, to deviate from
One end of the support column, and the diameter of the limit hole is equal with the diameter of the support column.
Preferably, second position limiting structure includes limit sleeve, and the limit sleeve is detachably connected with the support column, and
The reinforcing bar being detachably connected is equipped between two adjacent limit sleeves.
Preferably, second position limiting structure further includes card slot, and the card slot is rectangular configuration, and the card slot is set to described
The inside of limit sleeve, the card slot engage with the reinforcing bar, and the depth of the card slot is equal with the thickness of the reinforcing bar,
The width of the card slot is equal with the width of the reinforcing bar.
Compared with the relevant technologies, the protective device of overpass pre-stress construction provided by the utility model has and has as follows
Beneficial effect:
The utility model provides a kind of protective device of overpass pre-stress construction, and the support column cooperates the lever
Using convenient for the fixed formwork for placing, the screw rod cooperates two institutes of the formwork for placing and its force application board phase backside
The fixed formwork for placing of nut and the force application board are stated, the entirety between the force application board and the formwork for placing is enhanced
Property, so that the pull ring is exerted a force by the screw rod to the force application board, increases and pour between bridge and the force application board
Contact area it is more preferable, while the screw rod pass through the lever, effectively prevent when applying prestressing force described in pour mould
Plate and support frame are detached from, and improve the security performance during overpass pre-stress construction, improve the effect of prestressing force protection.
Detailed description of the invention
Fig. 1 is a kind of structure of preferred embodiment of the protective device of overpass pre-stress construction provided by the utility model
Schematic diagram；
Fig. 2 is the portion A shown in FIG. 1 enlarged diagram；
Fig. 3 is the attachment structure schematic diagram of support column shown in FIG. 1 and lever；
Fig. 4 is the attachment structure schematic diagram of the first position limiting structure and support column shown in FIG. 1.
Figure label: 1, support column, 2, lever, 3, supporting construction, 31, pull ring, 32, gag lever post, 33, nut, 34, pour
Template, 35, built-in pipe, 36, force application board, 37, screw rod, the 4, first position limiting structure, the 41, first position-arresting disk, 42, limit hole, 5,
Two position-arresting disks, the 6, second position limiting structure, 61, limit sleeve, 62, card slot, 7, reinforcing bar.
Specific embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawing.
Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, wherein Fig. 1 is overpass pre-stress construction provided by the utility model
Protective device a kind of preferred embodiment structural schematic diagram；Fig. 2 is the portion A shown in FIG. 1 enlarged diagram；Fig. 3 is Fig. 1 institute
The attachment structure schematic diagram of the support column and lever that show；Fig. 4 is the connection structure of the first position limiting structure and support column shown in FIG. 1
Schematic diagram.The protective device of overpass pre-stress construction includes: support column 1, there are two the support column 1 is set；Lever 2, two
The support column 1 is symmetrically set in the end of the lever 2, and the support column 1 is detachably connected with the lever 2；Supporting knot
Structure 3, the supporting construction 3 are fixed on the lever 2, the supporting construction 3 include pull ring 31,32, two nuts 33 of gag lever post,
Formwork for placing 34, built-in pipe 35, force application board 36 and screw rod 37, the formwork for placing 34 is layed in the top surface of the lever 2, described
Built-in pipe 35 and the formwork for placing 34 contradict, and the built-in pipe 35 is equipped with the force away from one end of the formwork for placing 34
Plate 36, the screw rod 37 are passed through through the lever 2 from one end of the force application board 36, two nuts 33 and the spiral shell
Bar 37 is threadedly coupled, and two nuts 33 are respectively arranged on deviate from end of the formwork for placing 34 with the force application board 36, described
Screw rod 37 is equipped with the gag lever post 32 close to one end of the formwork for placing 34, and the gag lever post 32 is away from the screw rod 37
One end is equipped with the pull ring 31；First position limiting structure 4, first position limiting structure 4 are fixed on the support column 1；Second limit
Structure 6, second position limiting structure 6 are fixed on the support column 1；Reinforcing bar 7, the reinforcing bar 7 are set to two adjacent institutes
It states between the second position limiting structure 6.
The gag lever post 32 is threadedly coupled with the screw rod 37, and the diameter of the pull ring 31 of 32 end of the gag lever post
Greater than the diameter of the screw rod 37, the nut 33 is inconvenient to store after being detached from the screw rod 37 in order to prevent, mentions significantly
High flexible operation degree.
The support column 1 close to one end of the lever 2 be equipped with the second position-arresting disk 5, and second position-arresting disk 5 with it is described
Lever 2 is detachably connected, and in order to increase the contact area of the lever 2, keeps structure more firm.
Second position-arresting disk 5 is set to the end of the lever 2, and the diameter of second position-arresting disk 5 is greater than the shelves
The width of bar 2, first position limiting structure 4 include the first position-arresting disk 41, and first position-arresting disk 41 is carried on the back set on the support column 1
One end from second position-arresting disk 5, and first position-arresting disk 41 is equal with the diameter of second position-arresting disk 5, works as construction
When the length of the support column 7 is inadequate in the process, by first position-arresting disk 41 and other one of 7 bottom end of support column
Second position-arresting disk 5 of support column 1 described in root is fixed.
First position limiting structure 4 further includes limit hole 42, and the limit hole 42, which is set to first position-arresting disk 41, to deviate from
One end of the support column 1, and the diameter of the limit hole 42 is equal with the diameter of the support column 1, in order to improve two institutes
The firm performance between support column 1 is stated, keeps the protective performance of device more preferable.
Second position limiting structure 6 includes limit sleeve 61, and the limit sleeve 61 is detachably connected with the support column 1, and
The reinforcing bar 7 being detachably connected is equipped between the limit sleeve 61 of adjacent two, in order to improve described in adjacent two
Overall performance between support column 1, first position-arresting disk 41 are bolted with overpass construction scaffolding, will be adjacent
It is fixed by the reinforcing bar 7 between the support column 1, in the top fixed protection net and support plate of the reinforcing bar 7, it is convenient for
Construction.
Second position limiting structure 6 further includes card slot 62, and the card slot 62 is rectangular configuration, and the card slot 62 is set to described
The inside of limit sleeve 61, the card slot 62 engage with the reinforcing bar 7, and the depth of the card slot 62 and the reinforcing bar 7
Thickness is equal, and the width of the card slot 62 is equal with the width of the reinforcing bar 7, for the ease of adding during the installation process to described
Solid rod 7 is limited, and the security performance in installation effectiveness and its installation process is improved.
The working principle of the protective device of overpass pre-stress construction provided by the utility model is as follows:
First position-arresting disk 41 is bolted with overpass construction scaffolding first, by the adjacent support
It is fixed by the reinforcing bar 7 between column 1, in the top fixed protection net and support plate of the reinforcing bar 7, convenient for constructing, when
When the length of support column 7 described in work progress is inadequate, by first position-arresting disk 41 of 7 bottom end of support column and separately
Second position-arresting disk 5 of an outer support column 1 is fixed, and the built-in pipe 35 is placed on the formwork for placing 34,
Then the pouring reinforcement concrete on the formwork for placing 34, is placed on the height poured for the force application board 36 after the completion of pouring
On bridge formation bridge floor, by the screw rod 37 pass through the built-in pipe 35, the used nut 33 by the formwork for placing 34 with it is described
Force application board 36 is fixed, and the pull ring 31 is fixed on the screw rod 37, passes through the pull ring 31 by the drawstring of lifting equipment, right
The pull ring 31 and its screw rod 37 apply prestressing force, disassembly when by the support column 1 and its it is described first limit tie
Structure 4 is dismantled, and dismantles the nut 33 of described 36 one end of force application board one by one, the screw rod 37 is fixed by drawstring, then will
The force application board 36 is dismantled, then drawstring is slowly put down, and so that the screw rod 37 and its bar 2 is slowly drop to ground, is kept away
Rehandling after dismantling is exempted from, has substantially increased construction removal efficiency, the support column 1 is made to cooperate the use of the lever 2 just
In the fixation formwork for placing 34, the screw rod 37 cooperates two of 36 phase backside of the formwork for placing 34 and its force application board
The fixed formwork for placing 34 of the nut 33 and the force application board 36, enhance the force application board 36 and the formwork for placing 34
Between globality, so that the pull ring 31 is exerted a force to the force application board 36 by the screw rod 37, increase and pour bridge and institute
The contact area stated between the force application board 36 is more preferable, while the screw rod 37 passes through the lever 2, effectively prevents and is applying
The formwork for placing 34 is detached from support frame when Prestressing, improves the security performance during overpass pre-stress construction.
Compared with the relevant technologies, the protective device of overpass pre-stress construction provided by the utility model has and has as follows
Beneficial effect:
The utility model provides a kind of protective device of overpass pre-stress construction, and the support column 1 cooperates the lever 2
Use convenient for the fixed formwork for placing 34, the screw rod 37 cooperates the formwork for placing 34 and its force application board 36 opposite
The fixed formwork for placing 34 of the nut 33 of two of end and the force application board 36, enhance the force application board 36 and pour with described
Globality between building mould 34 makes the pull ring 31 exert a force by the screw rod 37 to the force application board 36, increases and pour
Contact area between bridge and the force application board 36 is more preferable, while the screw rod 37 passes through the lever 2, effective anti-
Stop the formwork for placing 34 when applying prestressing force to be detached from support frame, improves the peace during overpass pre-stress construction
Full performance improves the effect of prestressing force protection.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of protective device of overpass pre-stress construction characterized by comprising
Support column, there are two the support column is set；
Lever, two support columns are symmetrically set in the end of the lever, and the support column detachably connects with the lever
It connects；
Supporting construction, the supporting construction are fixed on the lever, the supporting construction include pull ring, gag lever post, two nuts,
Formwork for placing, built-in pipe, force application board and screw rod, the formwork for placing are layed in the top surface of the lever, the built-in pipe and institute
State formwork for placing conflict, the built-in pipe away from the formwork for placing one end be equipped with the force application board, the screw rod through
The lever is passed through from one end of the force application board, and two nuts are connect with the screw flight, two nuts point
Not She Yu the formwork for placing and the force application board away from end, the screw rod is equipped with described close to one end of the formwork for placing
Gag lever post, and the gag lever post is equipped with the pull ring away from one end of the screw rod；
First position limiting structure, first position limiting structure are fixed on the support column；
Second position limiting structure, second position limiting structure are fixed on the support column；
Reinforcing bar, the reinforcing bar are set between two adjacent second position limiting structures.
2. the protective device of overpass pre-stress construction according to claim 1, which is characterized in that the gag lever post and institute
Screw flight connection is stated, and the diameter of the pull ring of the limit boom end is greater than the diameter of the screw rod.
3. the protective device of overpass pre-stress construction according to claim 1, which is characterized in that the support column is close
One end of the lever is equipped with the second position-arresting disk, and second position-arresting disk is detachably connected with the lever.
4. the protective device of overpass pre-stress construction according to claim 3, which is characterized in that second position-arresting disk
Set on the end of the lever, and the diameter of second position-arresting disk is greater than the width of the lever.
5. the protective device of overpass pre-stress construction according to claim 3, which is characterized in that the first limit knot
Structure includes the first position-arresting disk, and first position-arresting disk is set to one end that the support column deviates from second position-arresting disk, and described
First position-arresting disk is equal with the diameter of second position-arresting disk.
6. the protective device of overpass pre-stress construction according to claim 5, which is characterized in that the first limit knot
Structure further includes limit hole, and the limit hole is set to one end that first position-arresting disk deviates from the support column, and the limit hole
Diameter it is equal with the diameter of the support column.
7. the protective device of overpass pre-stress construction according to claim 1, which is characterized in that the second limit knot
Structure includes limit sleeve, and the limit sleeve is detachably connected with the support column, and is equipped between two adjacent limit sleeves
The reinforcing bar being detachably connected.
8. the protective device of overpass pre-stress construction according to claim 7, which is characterized in that the second limit knot
Structure further includes card slot, and the card slot is rectangular configuration, and the card slot is set to the inside of the limit sleeve, and the card slot adds with described
Solid rod engaging, and the depth of the card slot is equal with the thickness of the reinforcing bar, the width of the card slot and the reinforcing bar
Width is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820846100.XU CN208501503U (en) | 2018-06-01 | 2018-06-01 | A kind of protective device of overpass pre-stress construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820846100.XU CN208501503U (en) | 2018-06-01 | 2018-06-01 | A kind of protective device of overpass pre-stress construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208501503U true CN208501503U (en) | 2019-02-15 |
Family
ID=65287369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820846100.XU Active CN208501503U (en) | 2018-06-01 | 2018-06-01 | A kind of protective device of overpass pre-stress construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208501503U (en) |
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2018
- 2018-06-01 CN CN201820846100.XU patent/CN208501503U/en active Active
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