CN208375570U - A kind of removable Pretensioned prestressing stretch-drawing pedestal device - Google Patents
A kind of removable Pretensioned prestressing stretch-drawing pedestal device Download PDFInfo
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- CN208375570U CN208375570U CN201820963830.8U CN201820963830U CN208375570U CN 208375570 U CN208375570 U CN 208375570U CN 201820963830 U CN201820963830 U CN 201820963830U CN 208375570 U CN208375570 U CN 208375570U
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- gooseneck
- prestressed concrete
- stretching end
- pipe pile
- fixing end
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Abstract
The utility model discloses a kind of removable Pretensioned prestressing stretch-drawing pedestal devices, including bottom plate and prestressed concrete pipe pile, prestressed concrete pipe pile is parallel to each other with bottom plate, it further include stretching end gooseneck and fixing end gooseneck, stretching end shield is identical with the structure of fixing end shield, stretching end shield is provided on the outside of stretching end gooseneck, fixing end shield is provided on the outside of fixing end gooseneck, stretching end gooseneck includes channel steel and demarcation plate, multiple steel strand wires penetration pipes are provided between multiple demarcation plates, steel strand wires penetration pipe is parallel to each other with prestressed concrete pipe pile.Bottom plate by being placed on ground and being provided with prestressed concrete pipe pile in the two sides of bottom plate by the utility model, the bearing capacity of the structure can be effectively improved, simultaneously by being additionally arranged stretching end shield and fixing end shield respectively in the outside of stretching end gooseneck and fixing end gooseneck, be effectively reduced steel strand wires be broken during prestressed stretch-draw and caused by hurt sb.'s feelings phenomenon.
Description
Technical field
The utility model belongs to prestressed component technical field of construction more particularly to a kind of removable pretensioned prestressing
Draw pedestal device.
Background technique
In certain special constructions, when having particular/special requirement for structural deflection and intensity, to prevent in armored concrete structure
The bending deflection that crack or component occurs too early in part surface is excessive and influence using effect, therefore uses prestress pretensioning method
Stress is previously applied to component, stress performance, the durability of component, saving steel and concrete can be improved, mitigates knot
Structure self weight, improves the anti-seismic performance of structure.
Traditional food-through tension method needs to arrange centre-hole jack at component both ends, and to the simultaneous tension of component both ends,
Synchronism is difficult to control.Not only operational sequence is complicated for this method, and synchronism is difficult to grasp, and asking there are partial prestressing loss
Topic.
When preparing precast beam using pre-tensioning system at present, the stretching bed seat structure used is complex, needs in stretching bed seat
Lower part setting pile foundation stretching bed seat is fixed, limitation is larger when use, immovable.Presently, there are removable
Pedestal is drawn, force-transmitting pole is cast-in-situ reinforced concrete column or steel truss, and bearing capacity is poor.In the prestressed stretch-draw for carrying out steel strand wires
When, security protection wall is set, and the system is more heavy, and operational sequence is cumbersome, is easy to be ignored by people, causes safety accident.
Utility model content
It is a kind of removable the technical problem to be solved by the utility model is in view of the deficiency of the prior art, provide
Dynamic Pretensioned prestressing stretch-drawing pedestal device, simple and convenient, securely and reliably.It is by the way that bottom plate to be placed on ground and in bottom plate
Two sides be respectively provided with a prestressed concrete pipe pile, the bearing capacity of the structure can be effectively improved, while by stretching end steel
The outside of crossbeam and fixing end gooseneck is additionally arranged stretching end shield and fixing end shield respectively, be effectively reduced steel strand wires into
Be broken during row prestressed stretch-draw and caused by hurt sb.'s feelings phenomenon.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of removable pretensioned prestressing
Stretching bed seat device, it is characterised in that: including bottom plate and the prestressed concrete pipe pile that is laid in bottom plate two sides and is parallel to each other,
The prestressed concrete pipe pile is parallel to each other with bottom plate, and the prestressed concrete pipe pile is hollow cylindrical structure, also wraps
Include the stretching end gooseneck and fixing end gooseneck for being laid in prestressed concrete pipe pile both ends respectively, the stretching end gooseneck
It is all the same with the structure snd size of fixing end gooseneck, stretching end shield, institute are provided on the outside of the stretching end gooseneck
It states and is provided with fixing end shield on the outside of fixing end gooseneck, the structure phase of the stretching end shield and fixing end shield
Together, the stretching end gooseneck includes channel steel and be mounted on inside channel steel in the parallel multiple demarcation plates laid, the channel steel
Bottom plate is mutually perpendicular to prestressed concrete pipe pile, and the side plate of the demarcation plate and channel steel is parallel to each other, multiple demarcation plates
Between be evenly arranged with multiple steel strand wires penetration pipes passed through for steel strand wires, the steel strand wires penetration pipe and prestressed concrete pipe pile
It is parallel to each other, is provided on the outside of the stretching end gooseneck and fixing end gooseneck and steel strand wires are clamped with fixed anchor
Tool；
Between the channel steel and prestressed concrete pipe pile, between the channel steel and bottom plate, the channel steel and wire sub-panel it
Between be bolted.
A kind of above-mentioned removable Pretensioned prestressing stretch-drawing pedestal device, it is characterised in that: the demarcation plate is steel plate,
The steel strand wires penetration pipe is steel pipe.
A kind of above-mentioned removable Pretensioned prestressing stretch-drawing pedestal device, it is characterised in that: the stretching end gooseneck
Be respectively provided on fixing end gooseneck there are two for lifting hangers.
A kind of above-mentioned removable Pretensioned prestressing stretch-drawing pedestal device, it is characterised in that: the stretching end shield
Depth H be 900mm~1100mm, the depth h of the fixing end shield is 600mm~800mm.
A kind of above-mentioned removable Pretensioned prestressing stretch-drawing pedestal device, it is characterised in that: the prestressed concrete
Tubular pole is AB type pile for prestressed pipe, and the outer diameter of the prestressed concrete pipe pile is φ 600mm.
A kind of above-mentioned removable Pretensioned prestressing stretch-drawing pedestal device, it is characterised in that: the stretching end shield
Including the side connector for being connected to wire sub-panel two sides and being parallel to each other and it is connected to detachable between two side connectors
Protection face board, the protection face board are parallel to each other with wire sub-panel, and the side connector is mutually perpendicular to protection face board.
A kind of above-mentioned removable Pretensioned prestressing stretch-drawing pedestal device, it is characterised in that: the side connector weldering
It connects on wire sub-panel, passes through split pin connection between the protection face board and side connector.
A kind of above-mentioned removable Pretensioned prestressing stretch-drawing pedestal device, it is characterised in that: the stretching end shield
Handle is provided with on the outside of fixing end shield.
Above-mentioned a kind of removable Pretensioned prestressing stretch-drawing pedestal device, it is characterised in that: the demarcation plate is welded on
On channel steel.
Compared with the prior art, the utility model has the following advantages:
1. the utility model is respectively provided with a prestressed concrete pipe pile by the two sides in bottom plate, relative to concrete column
For steel truss, bearing capacity is good, and simple and quick construction is cheap, good economy performance.
2. mobility.The utility model is placed directly on ground, is fixed without reusing pile foundation, installation spirit
It is living, with dress with walking, moves, can construct in any place, use turnover rate height.
3. highly-safe.The utility model by being additionally arranged respectively in the outside of stretching end gooseneck and fixing end gooseneck
Stretching end shield and fixing end shield, be effectively reduced steel strand wires carry out prestressed stretch-draw during be broken and caused by hurt sb.'s feelings
Phenomenon.
In conclusion the utility model is answered in advance by the way that bottom plate is placed on ground and is respectively provided with one in the two sides of bottom plate
Power concrete tubular pile, can effectively improve the bearing capacity of the structure, while by stretching end gooseneck and fixing end gooseneck
Outside is additionally arranged stretching end shield and fixing end shield respectively, and steel strand wires are effectively reduced and carry out prestressed stretch-draw process interrupt
Split and caused by hurt sb.'s feelings phenomenon.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the attachment structure schematic diagram of the utility model stretching end gooseneck and stretching end shield.
Fig. 3 is that the utility model stretching end gooseneck removes the structural schematic diagram after wire sub-panel.
Description of symbols:
1-bottom plate；2-prestressed concrete pipe piles；3-stretching end goosenecks；
3-1-channel steel；3-2-demarcation plate；3-3-steel strand wires penetration pipe；
3-4-wire sub-panel；4-fixing end goosenecks；5-steel strand wires；
6-hangers；7-handles；8-anchorages；
9-stretching end shields；9-1-side connector；9-2-protection face board；
10-fixing end shields；11-prefabricated components.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, the utility model includes bottom plate 1 and is laid in 1 two sides of bottom plate and is parallel to each other pre-
Prestressed concrete tubular pole 2, the prestressed concrete pipe pile 2 are parallel to each other with bottom plate 1, and the prestressed concrete pipe pile 2 is
Hollow cylindrical structure further includes the stretching end gooseneck 3 and fixing end steel for being laid in 2 both ends of prestressed concrete pipe pile respectively
The structure snd size of crossbeam 4, the stretching end gooseneck 3 and fixing end gooseneck 4 are all the same, the stretching end gooseneck 3
Outside is provided with stretching end shield 9, and the outside of the fixing end gooseneck 4 is provided with fixing end shield 10, the tensioning
Hold shield 9 identical with the structure of fixing end shield 10, the stretching end gooseneck 3 includes channel steel 3-1 and is mounted on channel steel
In the multiple demarcation plate 3-2 laid in parallel inside 3-1, the bottom plate and prestressed concrete pipe pile 2 of the channel steel 3-1 mutually hangs down
Directly, the side plate of the demarcation plate 3-2 and channel steel 3-1 is parallel to each other, and is evenly arranged between multiple demarcation plate 3-2 multiple for steel
The steel strand wires penetration pipe 3-3 that twisted wire 5 passes through, the steel strand wires penetration pipe 3-3 are parallel to each other with prestressed concrete pipe pile 2, institute
The outside for stating stretching end gooseneck 3 and fixing end gooseneck 4, which is provided with, is clamped fixed anchorage 8 to steel strand wires 5.
In actual use, by being respectively provided with a prestressed concrete pipe pile 2 in the two sides of bottom plate 1, relative to traditional
Concrete column and steel spread out for frame, and bearing capacity is good, and simple and quick construction is cheap, good economy performance.
It should be noted that in use, the bottom plate 1 is placed directly on ground, without reusing pile foundation pair
It is fixed, flexible for installation, with dress with walking, moves, can construct in any place, use turnover rate height.
By being additionally arranged stretching end shield 9 respectively in the outside of stretching end gooseneck 3 and fixing end gooseneck 4 and fixing
Hold shield 10, be effectively reduced steel strand wires 5 be broken during prestressed stretch-draw and caused by hurt sb.'s feelings phenomenon.
In the present embodiment, the demarcation plate 3-2 is steel plate, and the steel strand wires penetration pipe 3-3 is steel pipe.
In actual use, the installation position of the steel strand wires penetration pipe 3-3 and quantity are according to required pre-buried in prefabricated component 11
The positions of steel strand wires 5 and quantity determine.
In the present embodiment, it is respectively provided on the stretching end gooseneck 3 and fixing end gooseneck 4 there are two for lifting hangers
6。
In actual use, by being respectively provided on stretching end gooseneck 3 and fixing end gooseneck 4, there are two hang for lifting
Ear 6 facilitates the movement of stretching end gooseneck 3 and fixing end gooseneck 4.
In the present embodiment, between the channel steel 3-1 and prestressed concrete pipe pile 2, between the channel steel 3-1 and bottom plate 1,
It is bolted between the channel steel 3-1 and wire sub-panel 3-4.
In actual use, by by between channel steel 3-1 and prestressed concrete pipe pile 2, the channel steel 3-1 and bottom plate 1 it
Between and the channel steel 3-1 and wire sub-panel 3-4 between be bolted, it can be achieved that the structure is freely disassembled, using
After the completion, detachably rear to lift to another construction site or device storing place.
In the present embodiment, the prestressed concrete pipe pile 2 is AB type pile for prestressed pipe, the prestressed concrete pipe pile
2 outer diameter is φ 600mm.
In actual use, the prestressed concrete pipe pile 2 is preferably AB type pile for prestressed pipe, since the AB type is pre-
Reinforcing bar distribution inside stress tubular pole is more intensive, so its bearing capacity and anti-bending strength are all relatively good, can effectively prevent
When carrying out prestressed stretch-draw to steel strand wires 5, deformation occurs for prestressed concrete pipe pile 2.The single AB type pile for prestressed pipe stake
Experiencing and pressing design quantity of load bearing capacity is 4255KN, and two AB type prestressed pipe pile bearing capacitys are 8510KN.It can satisfy steel strand wires 5
Prestressed stretch-draw requirement, the stretching forces of 16 φ of simultaneous tension, 15.2 steel strand wires 5 is 320T, is equivalent to 3136KN.
In the present embodiment, the stretching end shield 9 includes the side company for being connected to the two sides wire sub-panel 3-4 and being parallel to each other
Fitting 9-1 and the detachable protection face board 9-2 being connected between two side connector 9-1, the protection face board 9-2 and sub-wire
Plate 3-4 is parallel to each other, and the side connector 9-1 and protection face board 9-2 is mutually perpendicular to.
In the present embodiment, the side connector 9-1 is welded on wire sub-panel 3-4, and the protection face board 9-2 and side connect
Pass through split pin connection between fitting 9-1.
In actual use, by will be opened between the side connector 9-1 and protection face board 9-2 by removably described
Mouthful pin is attached, the laying that carries out steel strand wires 5 and it is fixed when, protection face board 9-2 can be disassembled, convenient for operation.
In the present embodiment, the outside of the stretching end shield 9 and fixing end shield 10 is provided with handle 7.
In actual use, be respectively provided with handle 7 in the outside of the stretching end shield 9 and fixing end shield 10, into
When row installation and removal, position and the angle of stretching end shield 9 and fixing end shield 10 can be adjusted by handle 7, is used
It is convenient.
In the present embodiment, the demarcation plate 3-2 is welded on channel steel 3-1.
In actual use, support plate there are two being all connected between the two neighboring demarcation plate 3-2, two support plates
The two sides of demarcation plate 3-2 are laid in, the support plate is mutually perpendicular to demarcation plate 3-2.
In the present embodiment, the depth H of the stretching end shield 9 is 900mm~1100mm, the fixing end shield 10
Depth h be 600mm~800mm.
In actual use, the depth H of the stretching end shield 9 is preferably 1000mm, the fixing end shield 10
Depth h be preferably 700mm.
When carrying out tensioning construction using the utility model, including the following steps:
Step 1: production and arrangement each component of stretching bed seat.Stretching bed seat is made, including bottom plate 1 and is arranged in 1 liang of bottom plate
The prestressed concrete pipe pile 2 of side.Stretching end gooseneck 3 and the fixing end steel for being arranged in 2 both ends of prestressed concrete pipe pile are horizontal
Beam 4 is the steel construction as made of channel steel, steel plate and steel-pipe welding.After arranging stretching bed seat, laid on stretching bed seat
Template, template are used for casting concrete, form prefabricated component 11.
Step 2: steel strand wires are laid.All 5 one end anchorages 8 of steel strand wires are fixed on fixing end gooseneck 4, separately
One end is tentatively fixed on stretching end gooseneck 3 with anchorage 8, is tentatively fixed as loosely being solidly connected, more convenient to remove.
Step 3: prestressed stretch-draw.Apply tension stress using steel strand wires 5 of the individual steel strand tensioning equipment to single beam,
Preliminary tensioning is successively carried out to every beam steel strand wires 5.At this time since steel strand wires 5 have already passed through tensioning, fixing end gooseneck 4 and tensioning
End gooseneck 3 is close to be fixed on the both ends of prestressed concrete pipe pile 2 due to tension.After tension stress value reaches design requirement,
Stop the work of the individual steel strand tensioning equipment, after being kept for load 2 minutes, unloading is completed.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to any simple modification to the above embodiments of the utility model technical spirit, change and equivalent structural changes, still
Belong in the protection scope of technical solutions of the utility model.
Claims (9)
1. a kind of removable Pretensioned prestressing stretch-drawing pedestal device, it is characterised in that: including bottom plate (1) and be laid in bottom plate
(1) two sides and the prestressed concrete pipe pile being parallel to each other (2), the prestressed concrete pipe pile (2) and bottom plate (1) are mutually flat
Row, the prestressed concrete pipe pile (2) are hollow cylindrical structure, further include being laid in prestressed concrete pipe pile respectively
(2) the stretching end gooseneck (3) and fixing end gooseneck (4) at both ends, the stretching end gooseneck (3) and fixing end gooseneck
(4) structure snd size are all the same, are provided with stretching end shield (9), the fixation on the outside of the stretching end gooseneck (3)
It is provided with fixing end shield (10) on the outside of end gooseneck (4), the stretching end shield (9) and fixing end shield (10)
Structure it is identical, the stretching end gooseneck (3), which includes channel steel (3-1), lays in parallel with being mounted on inside channel steel (3-1)
Multiple demarcation plates (3-2), bottom plate and the prestressed concrete pipe pile (2) of the channel steel (3-1) are mutually perpendicular to, the demarcation plate
The side plate of (3-2) and channel steel (3-1) are parallel to each other, and are evenly arranged between multiple demarcation plates (3-2) multiple for steel strand wires (5)
The steel strand wires penetration pipe (3-3) passed through, the steel strand wires penetration pipe (3-3) are parallel to each other with prestressed concrete pipe pile (2), institute
It states to be provided on the outside of stretching end gooseneck (3) and fixing end gooseneck (4) and fixed anchorage is clamped to steel strand wires (5)
(8)；
Between the channel steel (3-1) and prestressed concrete pipe pile (2), between the channel steel (3-1) and bottom plate (1), the slot
It is bolted between steel (3-1) and wire sub-panel (3-4).
2. a kind of removable Pretensioned prestressing stretch-drawing pedestal device described in accordance with the claim 1, it is characterised in that: described point
Partition (3-2) is steel plate, and the steel strand wires penetration pipe (3-3) is steel pipe.
3. a kind of removable Pretensioned prestressing stretch-drawing pedestal device according to claim 1 or 2, it is characterised in that: institute
It states there are two being respectively provided on stretching end gooseneck (3) and fixing end gooseneck (4) for lifting hangers (6).
4. a kind of removable Pretensioned prestressing stretch-drawing pedestal device according to claim 1 or 2, it is characterised in that: institute
The depth H for stating stretching end shield (9) is 900mm~1100mm, the depth h of the fixing end shield (10) be 600mm~
800mm。
5. a kind of removable Pretensioned prestressing stretch-drawing pedestal device according to claim 1 or 2, it is characterised in that: institute
Stating prestressed concrete pipe pile (2) is AB type pile for prestressed pipe, and the outer diameter of the prestressed concrete pipe pile (2) is φ 600mm.
6. a kind of removable Pretensioned prestressing stretch-drawing pedestal device according to claim 1 or 2, it is characterised in that: institute
Stating stretching end shield (9) includes being connected to the wire sub-panel two sides (3-4) and the side connector (9-1) that is parallel to each other and being connected to
Detachable protection face board (9-2) between two side connectors (9-1), the protection face board (9-2) and wire sub-panel (3-4) phase
Mutually parallel, the side connector (9-1) is mutually perpendicular to protection face board (9-2).
7. a kind of removable Pretensioned prestressing stretch-drawing pedestal device according to claim 6, it is characterised in that: the side
Portion's connector (9-1) is welded on wire sub-panel (3-4), by opening between the protection face board (9-2) and side connector (9-1)
Mouth pin connection.
8. a kind of removable Pretensioned prestressing stretch-drawing pedestal device according to claim 1 or 2, it is characterised in that: institute
It states and is provided with handle (7) on the outside of stretching end shield (9) and fixing end shield (10).
9. a kind of removable Pretensioned prestressing stretch-drawing pedestal device according to claim 1 or 2, it is characterised in that: institute
Demarcation plate (3-2) is stated to be welded on channel steel (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820963830.8U CN208375570U (en) | 2018-06-21 | 2018-06-21 | A kind of removable Pretensioned prestressing stretch-drawing pedestal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820963830.8U CN208375570U (en) | 2018-06-21 | 2018-06-21 | A kind of removable Pretensioned prestressing stretch-drawing pedestal device |
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| Publication Number | Publication Date |
|---|---|
| CN208375570U true CN208375570U (en) | 2019-01-15 |
Family
ID=64968294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820963830.8U Active CN208375570U (en) | 2018-06-21 | 2018-06-21 | A kind of removable Pretensioned prestressing stretch-drawing pedestal device |
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| CN (1) | CN208375570U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253752A (en) * | 2019-04-03 | 2019-09-20 | 中国一冶集团有限公司 | Prestressed component construction method based on pre-tensioning system |
| CN112267687A (en) * | 2020-10-16 | 2021-01-26 | 五冶集团上海有限公司 | Manufacturing method of movable prestress tensioning and shoring combined device |
| CN112267694A (en) * | 2020-10-16 | 2021-01-26 | 五冶集团上海有限公司 | Manufacturing method of positioning device for batch tensioning of steel strands of pre-tensioned precast beam |
-
2018
- 2018-06-21 CN CN201820963830.8U patent/CN208375570U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253752A (en) * | 2019-04-03 | 2019-09-20 | 中国一冶集团有限公司 | Prestressed component construction method based on pre-tensioning system |
| CN110253752B (en) * | 2019-04-03 | 2021-04-02 | 中国一冶集团有限公司 | Pre-tensioning method-based prestressed member construction method |
| CN112267687A (en) * | 2020-10-16 | 2021-01-26 | 五冶集团上海有限公司 | Manufacturing method of movable prestress tensioning and shoring combined device |
| CN112267694A (en) * | 2020-10-16 | 2021-01-26 | 五冶集团上海有限公司 | Manufacturing method of positioning device for batch tensioning of steel strands of pre-tensioned precast beam |
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