CN207062782U - A kind of cast-in-situ box girder prestressed stretch-draw support - Google Patents
A kind of cast-in-situ box girder prestressed stretch-draw support Download PDFInfo
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- CN207062782U CN207062782U CN201720972303.9U CN201720972303U CN207062782U CN 207062782 U CN207062782 U CN 207062782U CN 201720972303 U CN201720972303 U CN 201720972303U CN 207062782 U CN207062782 U CN 207062782U
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- Prior art keywords
- hydraulically extensible
- cast
- box girder
- extensible bar
- fixedly connected
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Abstract
The utility model discloses a kind of cast-in-situ box girder prestressed stretch-draw support, including base, the bottom of the base is fixedly connected with universal wheel, and the quantity of universal wheel is four, the front and back of the base has been fixedly connected with fix bar, the top both ends of the base have been respectively fixedly connected with the first hydraulically extensible bar and the second hydraulically extensible bar, and first hydraulically extensible bar be located at the left side of the second hydraulically extensible bar, hoist engine described in hoist engine is fixedly connected with the top of the base includes hoist engine body, steel wire rope and hook, the both ends of the steel wire rope are fixedly connected with the surface of hoist engine body interior reel and the bottom of hook respectively, the surface fixed cover of the steel wire rope is connected to arrow iron block.For the utility model by setting fix bar, press rods, the first hydraulically extensible bar and the second hydraulically extensible bar, prestressed problem can only be applied to a kind of model cast-in-situ box girder by solving existing cast-in-situ box girder prestressed stretch-draw support.
Description
Technical field
Cast-in-situ box girder production and processing equipment technical field is the utility model is related to, specially a kind of cast-in-situ box girder prestressing force
Draw support.
Background technology
One kind of box beam science of bridge building central sill, inside is hollow shape, and there is the edge of a wing top both sides, similar chest, thus is gained the name,
Box beam is divided into prefabricated case beam and cast-in-situ box girder, less practical in Large Scale and Continuous science of bridge building because prefabricated case beam itself is too heavy
You, so Large Scale and Continuous bridge uses cast-in-situ box girder more, cast-in-situ box girder mainly has two kinds, when prestressed reinforced concrete box beam, one
It is steel box-girder, is all made of using steel, in order to improve structure military service performance, is previously applied in construction period to cast-in-situ box girder
Compression, structure tension caused by pre-compression stress can completely or partially offset load during one's term of military service, avoids structure from destroying, and
Prestressing force is sent by prestressed stretch-draw pulley yoke.
The size of the cast-in-situ box girder used at present in science of bridge building is varied, existing cast-in-situ box girder prestressed stretch-draw branch
Frame can not mostly meet the box girder pre-stressed application of different model.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of cast-in-situ box girder prestressed stretch-draw support, solves
The size of cast-in-situ box girder is varied, and existing tensioning pulley yoke can not mostly meet the box girder pre-stressed application of different model
Problem.
To achieve the above object, the utility model provides following technical scheme：A kind of cast-in-situ box girder prestressed stretch-draw support,
Including base, the bottom of the base is fixedly connected with universal wheel, and the quantity of universal wheel is four, the front of the base and
The back side has been fixedly connected with fix bar, and the top both ends of the base have been respectively fixedly connected with the first hydraulically extensible bar and the second liquid
Expansion link is pressed, and the first hydraulically extensible bar is located at the left side of the second hydraulically extensible bar, and volume is fixedly connected with the top of the base
Raise machine, the hoist engine includes hoist engine body, steel wire rope and hook, the both ends of the steel wire rope respectively with hoist engine body
The surface of portion's reel is fixedly connected with the bottom of hook, and the surface fixed cover of the steel wire rope is connected to arrow iron block, the volume
Raise and scale is fixedly connected with the top of machine body, the top activity respectively admittedly of the first hydraulically extensible bar and the second hydraulically extensible bar
First rotating shaft and the second rotating shaft are connected with, the first rotating shaft and the second rotating shaft are respectively fixedly connected with the front of press rods and the back of the body
Face, the lower surface of the press rods have been respectively fixedly connected with fixed block, attachment fastener and pulley yoke, the attachment fastener and hook
It is flexibly connected, the lower end of the pulley yoke is connected with the 3rd rotating shaft, and the 3rd rotating shaft surface activity is socketed with fixed pulley,
And wirerope-winding is on the surface of fixed pulley.
Preferably, the quantity of the first hydraulically extensible bar and the second hydraulically extensible bar is two, two described first
Hydraulically extensible bar and the second hydraulically extensible bar are symmetrical arranged.
Preferably, the length of the fix bar is equal to the length of press rods, and the fixed block is located at press rods bottom most
Left end.
Preferably, the height of the pulley yoke is three times of attachment fastener height.
Preferably, the height of the first hydraulically extensible bar and the second hydraulically extensible bar is three meters.
The utility model provides a kind of cast-in-situ box girder prestressed stretch-draw support, possesses following beneficial effect：
（1）, the utility model pass through two fix bars and a press rods be set, coordinate the first hydraulically extensible bar and second
Hydraulically extensible bar uses, and the first hydraulically extensible bar shrinks, the elongation of the second hydraulically extensible bar, the corresponding surface folder of fix bar and press rods
Cast-in-situ box girder is held, while uses two cast-in-situ box girder prestressed stretch-draw supports, reaches prestressed to the application of different model box beam
Effect, solving existing cast-in-situ box girder prestressed stretch-draw support can only be prestressed to a kind of application of model cast-in-situ box girder
Problem.
（2）, the utility model by setting universal wheel, reach the effect of conveniently moving, by setting hoist engine, fixed sliding
Wheel, arrow iron block and scale, it can judge whether application prestressing force is identical every time, while this practicality is new according to scale shift position
Type small volume, reach effect easy to use.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model right side view.
In figure：1 base, 2 universal wheels, 3 fix bars, 4 first hydraulically extensible bars, 5 second hydraulically extensible bars, 6 hoist engines,
601 hoist engine bodies, 602 steel wire ropes, 603 hooks, 7 arrow iron blocks, 8 scales, 9 first rotating shafts, 10 second rotating shafts, 11 pressure
Bar, 12 fixed blocks, 13 attachment fasteners, 14 pulley yokes, 15 the 3rd rotating shafts, 16 fixed pulleys.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in Figure 1-2, the utility model provides a kind of technical scheme：A kind of cast-in-situ box girder prestressed stretch-draw support, bag
Base 1 is included, the bottom of base 1 is fixedly connected with universal wheel 2, is moved easily, and the quantity of universal wheel 2 is four, and movement is more
Steadily, the front and back of base 1 has been fixedly connected with fix bar 3, and crane slings cast-in-situ box girder, while in cast-in-situ box girder
Both sides symmetrically apply prestressing force using two cast-in-situ box girder prestressed stretch-draw supports, can meet the cast-in-situ box girder of different in width,
The length of fix bar 3 is equal to the length of press rods 11, and clamping is stable, and fixed block 12 is located at the high order end of the bottom of press rods 11, Gu
It is smaller than the floor space of press rods 11 to determine the floor space of block 11, contact area, increases pressure, the top both ends of base 1 are fixed respectively
The first hydraulically extensible bar 4 and the second hydraulically extensible bar 5 are connected with, the activity of press rods 11 can be driven, enable the left end of press rods 11
Enough move up and down, and the first hydraulically extensible bar 4 is located at the left side of the second hydraulically extensible bar 5, the first hydraulically extensible bar 4 and the second liquid
The quantity for pressing expansion link 5 is two, makes two stress of fix bar 3 identical, two the first hydraulically extensible bars 4 and the second hydraulic pressure are stretched
Contracting bar 5 is symmetrical arranged, and the height of the first hydraulically extensible bar 4 and the second hydraulically extensible bar 5 is three meters, the height of cast-in-situ box girder
Mostly less than three meters, the top of base 1 is fixedly connected with hoist engine 6, and hoist engine 6 is used to drive steel wire rope 602 to shrink, hoist engine
6 power supply mode is external power source, and hoist engine 6 includes hoist engine body 601, steel wire rope 602 and hook 603, and hook 603 is used for
It is flexibly connected with attachment fastener 13, the lower end of steel wire rope 602 is fixedly connected on the surface of the internal threads cylinder of hoist engine body 601,
The upper end of steel wire rope 602 is fixedly connected on the bottom of hook 603, and the surface fixed cover of steel wire rope 602 is connected to arrow iron block 7, rolls up
Raising machine 6 drives reel to roll steel wire rope 602, and steel wire rope 602 drives iron block arrow movement 7, and iron block arrow 7 can show pre- answer
Power size degree, the top of hoist engine body 601 are fixedly connected with scale 8, show prestressed size, the first hydraulically extensible bar
4 and second the top of hydraulically extensible bar 5 be movably connected with the rotating shaft 10 of first rotating shaft 9 and second admittedly, enable 11 turns of press rods
Dynamic, the rotating shaft 10 of first rotating shaft 9 and second is respectively fixedly connected with the front and back in press rods 11, the lower surface point of press rods 11
Fixed block 12, attachment fastener 13 and pulley yoke 14 are not fixedly connected with, and the height of pulley yoke 14 is the three of the height of attachment fastener 13
Times, hoist engine 6 is worked more laborsaving, so as to play a part of energy-conservation, attachment fastener 13 is flexibly connected with hook 603, pulley yoke
14 lower end is connected with the 3rd rotating shaft 15, makes its pivoting, the surface activity of the 3rd rotating shaft 15 for limiting fixed pulley 16
Fixed pulley 16 is socketed with, and steel wire rope 602 is wrapped in the surface of fixed pulley 16, for changing the direction of a steel wire rope 602.
When in use, cast-in-situ box girder is sling by crane, and cast-in-situ box girder prestressed stretch-draw support is moved into cast-in-situ box girder
Both sides, fix bar 3 is set to be located at below cast-in-situ box girder, press rods 11 are located at the top of cast-in-situ box girder, and the first hydraulically extensible bar 4 is received
Contracting, the second hydraulically extensible bar 5 extend, and drive fix bar 3 and press rods 11 to clamp cast-in-situ box girder, fixed block 12 serves increase pressure
The effect of power, at the same time, hoist engine 6 move downward steel wire rope 602 and drive arrow iron block 7 to transport downwards around steel wire rope 602 is played
Dynamic, the position of the corresponding scale 8 of arrow iron block 7 changes, and diverse location corresponding to arrow iron block 7 represents different prestressing force, elevator
The motor of machine 6, which rotates backward, makes the tension force of steel wire rope 602 disappear, and the first hydraulically extensible bar 4 extends, and the second hydraulically extensible bar 5 shrinks,
Fixed block 12 and fix bar 3 are unclamped from the top and bottom of cast-in-situ box girder respectively, mobile cast-in-situ box girder prestressed stretch-draw support, are changed
Become the relative position of cast-in-place box girder pre-stressed tensioning support and cast-in-situ box girder, continue to apply prestressing force to cast-in-situ box girder.
It can to sum up obtain, the utility model is by setting fix bar 3, press rods 11, the first hydraulically extensible bar 4 and the second hydraulic pressure
Expansion link 5, pre- answer can only be applied to a kind of model cast-in-situ box girder by solving existing cast-in-situ box girder prestressed stretch-draw support
The problem of power.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of cast-in-situ box girder prestressed stretch-draw support, including base（1）, the base（1）Bottom be fixedly connected with it is universal
Wheel（2）, and universal wheel（2）Quantity be four, it is characterised in that：The base（1）Front and back be fixedly connected with
Fix bar（3）, the base（1）Top both ends be respectively fixedly connected with the first hydraulically extensible bar（4）With the second hydraulically extensible
Bar（5）, and the first hydraulically extensible bar（4）Positioned at the second hydraulically extensible bar（5）Left side, the base（1）Top fix connect
It is connected to hoist engine（6）, the hoist engine（6）Including hoist engine body（601）, steel wire rope（602）And hook（603）, the steel
Cord（602）Both ends respectively with hoist engine body（601）The surface of internal threads cylinder and hook（603）Bottom fix connect
Connect, the steel wire rope（602）Surface fixed cover be connected to arrow iron block（7）, the hoist engine body（601）Top fix connect
It is connected to scale（8）, the first hydraulically extensible bar（4）With the second hydraulically extensible bar（5）Top be movably connected with first admittedly
Rotating shaft（9）With the second rotating shaft（10）, the first rotating shaft（9）With the second rotating shaft（10）It is respectively fixedly connected with press rods（11）'s
Front and back, the press rods（11）Lower surface be respectively fixedly connected with fixed block（12）, attachment fastener（13）And pulley
Frame（14）, the attachment fastener（13）With hook（603）It is flexibly connected, the pulley yoke（14）Lower end be connected with the 3rd
Rotating shaft（15）, the 3rd rotating shaft（15）Surface activity is socketed with fixed pulley（16）, and steel wire rope（602）It is wrapped in fixed pulley
（16）Surface.
A kind of 2. cast-in-situ box girder prestressed stretch-draw support according to claim 1, it is characterised in that：First hydraulic pressure is stretched
Contracting bar（4）With the second hydraulically extensible bar（5）Quantity be two, two the first hydraulically extensible bars（4）With the second hydraulic pressure
Expansion link（5）It is symmetrical arranged.
A kind of 3. cast-in-situ box girder prestressed stretch-draw support according to claim 1, it is characterised in that：The fix bar（3）
Length be equal to press rods（11）Length, the fixed block（12）Positioned at press rods（11）The high order end of bottom.
A kind of 4. cast-in-situ box girder prestressed stretch-draw support according to claim 1, it is characterised in that：The pulley yoke（14）
Height be attachment fastener（13）Three times of height.
A kind of 5. cast-in-situ box girder prestressed stretch-draw support according to claim 1, it is characterised in that：First hydraulic pressure is stretched
Contracting bar（4）With the second hydraulically extensible bar（5）Height be three meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720972303.9U CN207062782U (en) | 2017-08-07 | 2017-08-07 | A kind of cast-in-situ box girder prestressed stretch-draw support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720972303.9U CN207062782U (en) | 2017-08-07 | 2017-08-07 | A kind of cast-in-situ box girder prestressed stretch-draw support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207062782U true CN207062782U (en) | 2018-03-02 |
Family
ID=61519776
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720972303.9U Expired - Fee Related CN207062782U (en) | 2017-08-07 | 2017-08-07 | A kind of cast-in-situ box girder prestressed stretch-draw support |
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| Country | Link |
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| CN (1) | CN207062782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800013A (en) * | 2018-06-27 | 2018-11-13 | 安徽国成顺风风力发电有限公司 | A kind of scenic spot wind light mutual complementing solar street light |
-
2017
- 2017-08-07 CN CN201720972303.9U patent/CN207062782U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800013A (en) * | 2018-06-27 | 2018-11-13 | 安徽国成顺风风力发电有限公司 | A kind of scenic spot wind light mutual complementing solar street light |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20180807 |