CN206090296U - A but, self -modulation structure that is used for cast -in -place articulated seam of prefabricated plate -girder - Google Patents
A but, self -modulation structure that is used for cast -in -place articulated seam of prefabricated plate -girder Download PDFInfo
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- CN206090296U CN206090296U CN201621113489.4U CN201621113489U CN206090296U CN 206090296 U CN206090296 U CN 206090296U CN 201621113489 U CN201621113489 U CN 201621113489U CN 206090296 U CN206090296 U CN 206090296U
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Abstract
The utility model discloses a but, self -modulation structure that is used for cast -in -place articulated seam of prefabricated plate -girder, including first steel sheet, the one end of first steel sheet install the one end of second steel sheet, the other end of second steel sheet the other end of third steel sheet is had through a spring coupling, the third steel sheet still connect into " X " type through self -modulation bolt and second steel sheet, second steel sheet and third steel sheet between rotate around the self -modulation bolt, the utility model discloses can bear the shear force, effectively solve and articulate seam and plate -girder disease, simple manufacture is under construction and changes the convenience moreover, and the transportation is convenient, the utility model discloses a self -modulation bolt can only unidirectional rotating, and the component rotates and keeps the component line type according to open the direction along the spring when bearing great variable action, improves the local variable action power of spring tension adaptation automatically, the utility model discloses the seam that only need chisel corresponding width at maintenance and reinforcement, put into and as above pour can.
Description
Technical field
This utility model belongs to and is hinged seam connection area, and in particular to a kind of precast plate girder is cast-in-place be hinged seam can self-regulated knot
Structure.
Background technology
Assembly concrete prefabrication cast-in-place plate-girder is widely used in highway in China with urban road, what this bridge type occurred
Multiple being born in of disease is hinged at seam, and longitudinal cracking occurs in hinge seam position deck paving, and beam slab occurs between beam slab when vehicle is passed through
Changing of the relative positions downwarp, and when being hinged seam generation disease, be badly in need of again solving, in order to avoid there is single slab bearing situation.When crack reflection is to bridge floor
When, needing to change deck paving in time, bar planting is strengthened hinge seam and shear connector and irrigates high-strength self-compacting mortar, but this method is needed
Deck paving to be changed is poured again and is hinged seam and deck paving, wastes time and energy and beam slab is also had certain infringement；Using hinge
Seam anchor patch steel reinforced concrete reinforcement means, although do not affect the situation of being open to traffic, but steel quantity consumption is big, purpose is indefinite, and transport
Change inconvenient.When beam-ends produces oblique shear crack, typically can only carry out adding in side web affixing steel plate or carbon cloth
Gu, and this structure can affixing steel plate prevention shearing crack generation in middle side bar web.
The content of the invention
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of for the cast-in-place hinge of precast plate girder
Seam can self-regulating structure, can effectively solving plate-girder inclined crack and plate-girder bottom transverse crack are produced due to shearing,
It is also responsive to the policy of national use steel, significant to solving hinge seam problems.
To solve above-mentioned technical problem, this utility model is adopted the following technical scheme that and is achieved：
It is a kind of for precast plate girder it is cast-in-place be hinged seam can self-regulating structure, including the first steel plate, on the first described steel plate
One end of second steel plate is installed, the other end of the second described steel plate is connected with the 3rd steel plate by the first spring, described
3rd steel plate also by self-regulated bolt and the second steel plate connect into the spaced winding of " X " type, the second described steel plate and the 3rd steel plate from
Bolt is adjusted to be rotated；
Self-regulated bolt hole and spring connecting hole, described threeth steel are machined with the second described steel plate and the 3rd steel plate
Plate is connected with the second steel plate with self-regulated bolt by self-regulated bolt hole；
The second described steel plate is provided with hollow cylindrical boss, and described outside the boss processes many facing to boss center
Individual equally distributed first groove, described the first groove are in triangular prism shape, the centrage and self-regulated bolt hole of described boss
Centrage overlap, the internal diameter of described boss is identical with the internal diameter of self-regulated bolt hole；
The 3rd described steel plate processes multiple equally distributed second grooves along the circumference of self-regulated bolt hole, and described
Two grooves are in triangular prism shape, and the first described groove and the second groove fit make between the second steel plate and the 3rd steel plate can only be along
First spring opens direction movement；The another side of the 3rd described steel plate is machined with annular groove, in described annular groove
Heart line is overlapped with the centrage of self-regulated bolt hole；
Described self-regulated bolt includes screw rod, second spring, spring pedestal and nut, described second spring, spring bottom
Seat (and nut is installed on screw rod, described nut is separately mounted to the two ends of screw rod；
Described spring pedestal is provided with the hollow cylinder of end cap for one end, and the center of described end cap is machined with hole, institute
Diameter of the diameter in the hole stated less than second spring, one end of described spring pedestal are placed in annular groove, and described second
One end of spring is withstood on the end cap of spring pedestal, and the other end of described second spring is withstood on the second steel plate, described bullet
Spring floor installation is in second spring.
Connecting hole is machined with the first described steel plate and the second steel plate, the first described steel plate is by connecting hole spiral shell
Bolt is connected with the second steel plate.
The first described steel plate is provided with scale.
Self-regulated spiro keyhole position on the second described steel plate in the center of the second steel plate short side direction, the described the 3rd
Self-regulated spiro keyhole position on steel plate is in the center of the 3rd steel plate short side direction.
The second described steel plate connects the end of the first spring and is connected with the 4th steel plate.
The 4th described steel plate is provided with the 5th steel plate.
The 5th described steel plate is perpendicular to the first described steel plate.
Described nut has two, is provided with filled rubber in described annular groove.
Multiple location holes are machined with the first described steel plate, facilitate passing through for longitudinal reinforcement.
Locating and machining hole on the 3rd described steel plate, is also machined with location hole on the second described steel plate.
The beneficial effects of the utility model：
(1) structure of the present utility model can bear shearing, and effectively solving is hinged seam and plate-girder disease；And make letter
Single, construction changes convenient, transport facility；This utility model is the seam that need to only chisel respective width in maintenance and reinforcement, is put into as above
Pour.
(2) the self-regulated bolt in this utility model can only one-directional rotation, when larger variable action is born, component is by along bullet
Spring opens direction and rotates and holding member line style, improves automatically spring tension and adapts to local variable force.
Description of the drawings
Fig. 1 is this utility model overall structure front view.
Fig. 2 is this utility model overall structure side view.
Fig. 3 is the second steel plate schematic diagram.
Fig. 4 is the 3rd steel plate front schematic view and its partial enlarged drawing.
Fig. 5 is the 3rd steel plate schematic rear view.
Fig. 6 is the second steel plate and the 3rd steel plate partial side view.
Fig. 7 is self-regulated bolt schematic diagram.
Fig. 8 is spring pedestal schematic diagram.
In figure, the implication of each label is：The first steel plates of 1-, the second steel plates of 2-, the first springs of 3-, the 3rd steel plates of 4-, 5- is certainly
Adjust bolt, 6- self-regulated bolts hole, 7- spring connecting holes, 8- connecting holes, 9- bolts, the 4th steel plates of 10-, the 5th steel plates of 11-, 12-
Location hole, 13- filled rubbers；
(2-1)-boss, (2-2) the-the first groove；
(4-1) the-the second groove, (4-2)-annular groove；
(5-1)-screw rod, (5-2)-second spring, (5-3)-spring pedestal, (5-4)-nut；
(5-3-1)-end cap, (5-3-2)-hole.
Explanation is further explained in detail to particular content of the present utility model below in conjunction with accompanying drawing.
Specific embodiment
Specific embodiment of the utility model given below, it should be noted that this utility model is not limited to following tool
Body embodiment, all equivalents done on the basis of technical scheme each fall within protection domain of the present utility model.
Embodiment 1：
With reference to Fig. 1 to Fig. 8, it is a kind of for precast plate girder it is cast-in-place be hinged seam can self-regulating structure, including the first steel plate 1, institute
The one end for the first steel plate 1 stated is provided with one end of the second steel plate 2, and the other end of the second described steel plate 2 passes through the first spring 3
The other end of the 3rd steel plate 4 is connected with, the 3rd described steel plate 4 also passes through self-regulated bolt 5 and the second steel plate 2 connects into " X " type,
The spaced winding self-regulated bolt 5 of the second described steel plate 2 and the 3rd steel plate 4 is rotated；
Self-regulated bolt hole 6 and spring connecting hole 7, described threeth steel plate are machined with second steel plate 2 and the 3rd steel plate 4
4 are connected with the second steel plate 2 with self-regulated bolt 5 by self-regulated bolt hole 6；Self-regulated bolt hole 6 on second steel plate 2 is located at the second steel
The center of 2 short side direction of plate, the self-regulated bolt hole 6 on the 3rd described steel plate 4 are located in 4 short side direction of the 3rd steel plate
Heart position, it is ensured that stress balance, makes the first steel plate 2 and the second steel plate 4 not easily damaged.
Second steel plate 2 is provided with hollow cylindrical boss 2-1, and described boss 2-1 lateral surface adds towards boss 2-1 centers
The multiple equally distributed first groove 2-2 of work, described the first groove 2-2 are in triangular prism shape, the centrage of described boss 2-1
Overlap with the centrage of self-regulated bolt hole 6, the internal diameter of described boss 2-1 is identical with the internal diameter of self-regulated bolt hole 6；
3rd steel plate 4 processes multiple equally distributed second groove 4-1 along the circumference of self-regulated bolt hole 6, and described
Two groove 4-1 are in triangular prism shape, and the first described groove 2-2 and the second groove 4-1 coordinates makes the second steel plate 2 and the 3rd steel plate 4
Between can only along the first spring 3 open direction movement, prevent " X " the type structure opened from being retracted original shape by the first spring 3；
The another side of the 3rd described steel plate 4 is machined with annular groove 4-2, the centrage and self-regulated bolt of described annular groove 4-2
The centrage in hole 6 overlaps；
Self-regulated bolt 5 includes screw rod 5-1, second spring 5-2, spring pedestal 5-3 and nut 5-4, described second spring
5-2, spring pedestal 5-3 and nut 5-4 are installed on screw rod, and nut 5-4 has two two ends for being separately mounted to screw rod 5-1；
Spring pedestal 5-3 is consolidated with the hollow cylinder of end cap 5-3-1 for one end, and the center of described end cap 5-3-1 adds
The diameter that work has hole 5-3-2, described hole 5-3-2 is less than the diameter of second spring 5-2, can so prevent the water in casting process
Mud is poured in second spring 5-2；One end of described spring pedestal 5-3 is placed in annular groove 4-2, annular groove 4-2 and bullet
Filled rubber 13 is installed between spring base 5-3 end faces so that structure prevents spring pedestal 5-3 diebacks when by compared with big load
In the annular groove 4-2 of the 3rd steel plate 4, the 3rd steel plate 4 is enable to do micro movement to second spring 5-2 compression direction；
One end of second spring 5-2 is withstood on the end cap 5-3-1 of spring pedestal 5-3, and the other end of second spring 5-2 withstands on
On second steel plate 2, spring pedestal 5-3 is arranged in second spring 5-2.
Another scheme is identical with the scheme of embodiment 1, differs only in：Process on first steel plate 1 and the second steel plate 2
There is connecting hole 8, the first described steel plate 1 is connected with the second steel plate 2 with bolt 9 by connecting hole 8, it is convenient to dismantle.
Another scheme is identical with the scheme of embodiment 1, differs only in：First steel plate 1 is provided with scale, convenient construction
Personnel understand the width of Cast-in-Situ Segment.
Another scheme is identical with the scheme of embodiment 1, differs only in：Second steel plate 2 connects the end face of the first spring 3
Place is connected with the 4th steel plate 10, and the 4th steel plate 10 is provided with the 5th steel plate 11, and the 5th steel plate 11 is perpendicular to the first described steel plate
1, the 4th steel plate 11 is rotated during construction so as to vertical with the general oblique shear fractuer direction for producing to be pasted.
Another scheme is identical with the scheme of embodiment 1, differs only in：Three location holes are machined with first steel plate 1
12, a location hole 12 is machined with respectively on the 3rd steel plate 4 and the second steel plate 2, these location holes 12 facilitate the logical of longitudinal reinforcement
Cross, while may also function as positioning action.
The course of work of the present utility model is as described below：
First precast plate girder is placed, is slotted on the plate-girder for needing displacement structure position both sides, well width is slightly wider than
This structure upper steel plate thickness, groove depth must be consistent in both sides plate-girder length with groove；The first spring 3 is opened up into into regulation first long
Degree, through reinforcing bar, will be put in the preformed groove of beam slab in the hole 12 opened on the first steel plate 1, the second steel plate 2 and the 3rd steel plate 4,
Distributing bar is placed, the 5th steel plate 11 is rotated into proper angle, as far as possible with it is possible that the direction of shearing crack is vertical,
5th steel plate 11 is pasted onto on the precast beam of side；During casting concrete, the scale for reading the first steel plate 1 confirms open width, wet
Joint gap, will pass through reinforcing bar taking-up, the first steel plate 1 is placed in correct position, casting concrete；Larger load is subject in this structure
During lotus, the 3rd steel plate compression filled rubber 13, the 3rd steel plate 4 make micro movement along second spring 5-2 compression direction, make
Two steel plates 2 and the 3rd steel plate 4 are rotated along triangular prism shape groove, and now the first spring 3 is pulled open.
Claims (10)
1. it is a kind of for precast plate girder it is cast-in-place be hinged seam can self-regulating structure, it is characterised in that it is including the first steel plate (1), described
The first steel plate (1) on one end of the second steel plate (2) is installed, the other end of described the second steel plate (2) passes through the first spring
(3) the 3rd steel plate (4) is connected with, the 3rd described steel plate (4) also connects into " X " by self-regulated bolt (5) and the second steel plate (2)
Type, described the second steel plate (2) and the 3rd steel plate (4) spaced winding self-regulated bolt (5) are rotated；
Self-regulated bolt hole (6) and spring connecting hole (7) are machined with described the second steel plate (2) and the 3rd steel plate (4), it is described
The 3rd steel plate (4) be connected with the second steel plate (2) with self-regulated bolt (5) by self-regulated bolt hole (6)；
Described the second steel plate (2) is provided with hollow cylindrical boss (2-1), and described boss (2-1) lateral surface is towards boss
(2-1) center processes multiple equally distributed first grooves (2-2), and described the first groove (2-2) is in triangular prism shape, described
The centrage of boss (2-1) is overlapped with the centrage of self-regulated bolt hole (6), internal diameter and the self-regulated bolt of described boss (2-1)
The internal diameter in hole (6) is identical；
The 3rd described steel plate (4) processes multiple equally distributed second grooves (4-1) along the circumference of self-regulated bolt hole (6),
In triangular prism shape, described the first groove (2-2) is coordinated with the second groove (4-1) makes the second steel to described the second groove (4-1)
Direction movement, the another side of described the 3rd steel plate (4) can only be opened along the first spring (3) between plate (2) and the 3rd steel plate (4)
Annular groove (4-2) is machined with, the centrage of described annular groove (4-2) is overlapped with the centrage of self-regulated bolt hole (6)；
Described self-regulated bolt (5) includes screw rod (5-1), second spring (5-2), spring pedestal (5-3) and nut (5-4), institute
Second spring (5-2), spring pedestal (5-3) and the nut (5-4) stated is installed on screw rod, and described nut (5-4) is respectively
Installed in the two ends of screw rod (5-1)；
Described spring pedestal (5-3) is provided with the hollow cylinder of end cap (5-3-1) for one end, described end cap (5-3-1)
Center is machined with hole (5-3-2), and the diameter in described hole (5-3-2) is less than the diameter of second spring (5-2), described spring bottom
One end of seat (5-3) is placed in annular groove (4-2), and one end of described second spring (5-2) withstands on spring pedestal (5-3)
End cap (5-3-1) on, the other end of described second spring (5-2) is withstood on the second steel plate (2), described spring pedestal
(5-3) in second spring (5-2).
2. it is as claimed in claim 1 be used for precast plate girder it is cast-in-place be hinged seam can self-regulating structure, it is characterised in that described the
Connecting hole (8) is machined with one steel plate (1) and the second steel plate, described the first steel plate (1) uses bolt by connecting hole (8)
(9) it is connected with the second steel plate (2).
3. it is as claimed in claim 1 be used for precast plate girder it is cast-in-place be hinged seam can self-regulating structure, it is characterised in that described the
One steel plate (1) is provided with scale.
4. it is as claimed in claim 1 be used for precast plate girder it is cast-in-place be hinged seam can self-regulating structure, it is characterised in that described the
Self-regulated bolt hole (6) on two steel plates (2) is positioned at the center of the second steel plate (2) short side direction, the 3rd described steel plate (4)
On self-regulated bolt hole (6) positioned at the center of the 3rd steel plate (4) short side direction.
5. it is as claimed in claim 1 be used for precast plate girder it is cast-in-place be hinged seam can self-regulating structure, it is characterised in that described the
Two steel plates (2) connect the end of the first spring (3) and are connected with the 4th steel plate (10).
6. it is as claimed in claim 5 be used for precast plate girder it is cast-in-place be hinged seam can self-regulating structure, it is characterised in that described the
Four steel plates (10) are provided with the 5th steel plate (11).
7. it is as claimed in claim 6 be used for precast plate girder it is cast-in-place be hinged seam can self-regulating structure, it is characterised in that described the
Five steel plates (11) are perpendicular to described the first steel plate (1).
8. it is as claimed in claim 1 be used for precast plate girder it is cast-in-place be hinged seam can self-regulating structure, it is characterised in that described spiral shell
Female (5-4) has two, is provided with filled rubber (13) in described annular groove (4-2).
9. it is as claimed in claim 1 be used for precast plate girder it is cast-in-place be hinged seam can self-regulating structure, it is characterised in that described the
Multiple location holes (12) are machined with one steel plate (1), facilitate passing through for longitudinal reinforcement.
10. it is as claimed in claim 1 be used for precast plate girder it is cast-in-place be hinged seam can self-regulating structure, it is characterised in that the 3rd steel
On plate (4) locating and machining hole (12), on described the second steel plate (2), location hole (12) is also machined with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113489.4U CN206090296U (en) | 2016-10-11 | 2016-10-11 | A but, self -modulation structure that is used for cast -in -place articulated seam of prefabricated plate -girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113489.4U CN206090296U (en) | 2016-10-11 | 2016-10-11 | A but, self -modulation structure that is used for cast -in -place articulated seam of prefabricated plate -girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206090296U true CN206090296U (en) | 2017-04-12 |
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ID=60413955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621113489.4U Expired - Fee Related CN206090296U (en) | 2016-10-11 | 2016-10-11 | A but, self -modulation structure that is used for cast -in -place articulated seam of prefabricated plate -girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206090296U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972505A (en) * | 2019-04-30 | 2019-07-05 | 东北大学 | A kind of Highway Bridge Expansion Joint device |
| CN111206498A (en) * | 2020-01-16 | 2020-05-29 | 姜江 | Road bridge construction prefabricated plate connection structure |
-
2016
- 2016-10-11 CN CN201621113489.4U patent/CN206090296U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972505A (en) * | 2019-04-30 | 2019-07-05 | 东北大学 | A kind of Highway Bridge Expansion Joint device |
| CN111206498A (en) * | 2020-01-16 | 2020-05-29 | 姜江 | Road bridge construction prefabricated plate connection structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20171011 |
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| CF01 | Termination of patent right due to non-payment of annual fee |