CN109826096A - A kind of three-dimensional accurate adjustment positioning mechanism of large-scale steel pipe arch rib space closure - Google Patents
A kind of three-dimensional accurate adjustment positioning mechanism of large-scale steel pipe arch rib space closure Download PDFInfo
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- CN109826096A CN109826096A CN201811466814.9A CN201811466814A CN109826096A CN 109826096 A CN109826096 A CN 109826096A CN 201811466814 A CN201811466814 A CN 201811466814A CN 109826096 A CN109826096 A CN 109826096A
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- arch rib
- steel pipe
- core
- reel
- central siphon
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Abstract
A kind of three-dimensional accurate adjustment positioning mechanism of large-scale steel pipe arch rib space closure, including two groups of steel pipe positioning components and sleeve nut, steel pipe positioning component include core reel flanges, core pipe, arch rib fixed plate, reel flange, U-shaped pallets and central siphon；For two arch rib steel pipes to be joined the two sections of a bridge, etc, prefabricated one uses core reel flanges, the structure of core pipe and arch rib fixed plate welding fabrication in each arch rib steel pipe, reel flange and U-shaped pallets is integrally welded, reel flange is connected with core reel flanges by high-strength bolt and nut, U-shaped pallets and central siphon are connected and fixed by pin shaft, the central siphon of two arch rib steel pipes connection is threadedly coupled with a sleeve nut jointly, and stroke is reserved between two central siphons and realizes coarse positioning.Mechanism installation accuracy is high, structural bearing capacity is strong, improves speed of application, has saved cost, efficiently solves large-span steel arch rib closure dimensional discrepancy and stress influence caused by by temperature change sensitivity.
Description
Technical field
The invention belongs to fixed buildings field, be related to the equipment for being exclusively used in setting up or assembling bridge, in particular to it is a kind of
The three-dimensional accurate adjustment positioning mechanism of large-scale steel pipe arch rib space closure.
Background technique
Large-scale steel pipe rib structure system is affected by temperature sensitivity, as the lifting of temperature causes closure mouth elevation, segment
Change in size is significant, and closure installation is easy to appear the misalignment of two sides steel pipe, turns round partially, and closure is oversized or less than normal, simultaneously
Forced closure preferably generates stress and causes interface weld cracking, reduces construction quality, is unable to satisfy unstressed closing construction requirement.
Summary of the invention
The present invention is in view of the above-mentioned problems, provide a kind of closure of large-scale steel pipe arch rib space three-dimensional accurate adjustment positioning mechanism.
The purpose of the present invention can be realized by following technical proposals: a kind of three-dimensional essence of large-scale steel pipe arch rib space closure
Adjust positioning mechanism, including two groups of steel pipe positioning components and sleeve nut, the steel pipe positioning component include core reel flanges, core pipe,
Arch rib fixed plate, reel flange, U-shaped pallets and central siphon；One side end face of the core reel flanges is equipped with a core pipe and muti-piece
Arch rib fixed plate, the core pipe stands on the side end face center of core reel flanges and the two is welded to connect, and arch rib described in muti-piece is fixed
Circumferentially in the side of core pipe, the side end face of the outer wall and core reel flanges of arch rib fixed plate and core pipe is welded to connect plate；
The reel flange is connected with core reel flanges by multiple high-strength bolts and nut, reel flange it is opposite with core reel flanges
One piece of U-shaped pallets is welded on one side end face, the U-shaped pallets are set to the inner hole side of reel flange, and U-shaped pallets are in circle
The central axis of the bending part of arcuation is overlapped with the axis of reel flange, and the both ends of U-shaped pallets are respectively equipped with one first pin shaft
Through-hole；One end of the central siphon is against on a side end face of reel flange and is set in U-shaped pallets, on one end side wall of central siphon
Equipped with corresponding two the second pin axis through holes of two the first pin axis through holes with U-shaped pallets, one end of central siphon and U-shaped pallets are logical
Pin shaft is crossed to be connected, the other end outer wall of central siphon is equipped with external screw thread, be equipped with internal screw thread in the sleeve nut, the central siphon it is another
The connection of the threaded one end of one end and sleeve nut；Between the other end of the central siphon of steel pipe positioning component described in two groups and U-shaped support
Spacing is respectively equipped between plate and sleeve nut.
Further, the diameter of bore of the core pipe is equal with the diameter of bore of core reel flanges.
Further, the core reel flanges are identical with the shape and size of reel flange.
Still further, the diameter of bore of the central siphon is greater than the diameter of bore of reel flange.
Further, backing plate is equipped between the reel flange and core reel flanges.
Further, the U-shaped pallets fit in the bending part medial surface of arc-shaped and one end outer wall of central siphon.
Further, the spacing between the U-shaped pallets and sleeve nut is the another of the central siphon of two groups of steel pipe positioning components
The half of spacing between one end.
It further, further include the first arch rib steel pipe and the second arch rib steel pipe to be joined the two sections of a bridge, etc, steel pipe positioning group described in two groups
The muti-piece arch rib fixed plate of part is respectively arranged in the first arch rib steel pipe and the second arch rib steel pipe, muti-piece arch rib fixed plate and place
Arch rib steel pipe inner wall is welded to connect.
Further, the arch rib fixed plate has the first side, the axis of the first Bian Yuxin reel flanges it is parallel and
The distance for arriving axis radially is maximum, and the distance on the first side to core reel flanges axis is greater than the radius of core reel flanges outer circle.
Compared with prior art, beneficial effects of the present invention: for two arch rib steel pipes to be joined the two sections of a bridge, etc, in each arch rib
Prefabricated one uses core reel flanges, the structure of core pipe and arch rib fixed plate welding fabrication in steel pipe, and reel flange and U-shaped pallets are welded
It is connected into one, reel flange is connected with core reel flanges by high-strength bolt and nut, and U-shaped pallets are connect with central siphon by pin shaft
Fixed, the central siphon of two arch rib steel pipes connection is threadedly coupled with a sleeve nut jointly, is reserved between two central siphons because of temperature
The stroke that variation causes steel pipe segment flexible realizes coarse positioning, tightens the high-strength spiral shell of core reel flanges and reel flanged joint
Screw bolt and nut realizes accurate adjustment positioning, and mechanism is undertaken and eliminates the mount stress of arch rib steel pipe, avoids misalignment, mismatch inclined
Difference.Wherein, ring flange connection registration and easily operated, pin shaft accurate positioning and anti-shear ability is strong, central siphon and axle sleeve spiral shell
Female screwing operation is convenient, and entire mechanism installation accuracy is high, structural bearing capacity is strong, reduces the throwing of large-scale accurate-adjusting equipment
Enter, has saved cost.Entire mechanism structure is simple, is convenient for site operation, greatly improves the closing construction speed of steel lagging jack, have
Effect solves large-span steel arch rib closure dimensional discrepancy and stress influence caused by by temperature change sensitivity.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is decomposition texture schematic diagram of the invention.
Fig. 3 is core reel flanges, core pipe and the integrally welded structural schematic diagram of arch rib fixed plate in the present invention.
Fig. 4 is reel flange and the integrally welded structural schematic diagram of U-shaped pallets in the present invention.
Fig. 5 is the central siphon of two groups of steel pipe positioning components in the present invention and the structural representation that sleeve nut is assembled integrally
Figure.
Part numbers are as follows in figure:
1 core reel flanges
2 core pipes
3 arch rib fixed plates
301 first sides
4 reel flanges
5 U-shaped pallets
501 first pin axis through holes
6 central siphons
601 second pin axis through holes
7 sleeve nuts
8 first arch rib steel pipes.
Specific embodiment
Below in conjunction with the attached drawing specific embodiment that the present invention will be described in detail, those skilled in the art is made to become apparent from geography
How solution practices the present invention.Although describing the present invention in conjunction with its preferred embodiment, these embodiments are
It illustrates, is not intended to limit the scope of the invention.
Referring to Fig. 1 and Fig. 2, the three-dimensional accurate adjustment positioning mechanism of a kind of large-scale steel pipe arch rib space closure, including two groups of steel pipes are fixed
Hyte part and sleeve nut 7, the steel pipe positioning component include core reel flanges 1, core pipe 2, arch rib fixed plate 3, reel flange 4, U
Type supporting plate 5 and central siphon 6.
Referring to Fig. 3, a side end face of the core reel flanges 1 is equipped with a core pipe 2 and muti-piece arch rib fixed plate 3, in figure
Shown in the quantity of arch rib fixed plate 3 be four pieces, the core pipe 2 is stood on the side end face center of core reel flanges 1 and the two and is welded
Connection, the diameter of bore of core pipe 2 is equal with the diameter of bore of core reel flanges 1, arch rib fixed plate 3 described in muti-piece circumferentially in
The outer wall of the side of core pipe 2, arch rib fixed plate 3 and core pipe 2 and the side end face of core reel flanges 1 are welded to connect, integrally welded
Core reel flanges 1, core pipe 2 and muti-piece arch rib fixed plate 3 for being mounted in arch rib steel pipe to be joined the two sections of a bridge, etc, wherein arch rib is fixed
Plate 3 has the first side 301, and first side 301 is parallel with the axis of core reel flanges 1 and is arrived at a distance from axis radially most
Greatly, the first side 301 is greater than the radius of 1 outer circle of core reel flanges to the distance of 1 axis of core reel flanges.Pass through muti-piece arch rib fixed plate 3
The first side 301 be welded to connect with arch rib steel pipe inner wall to be joined the two sections of a bridge, etc, realize that installation is fixed.
Referring to fig. 4, the reel flange 4 is identical as the shape and size of core reel flanges 1, reel flange 4 and core reel flanges 1
It is connected with nut by multiple high-strength bolts, settable backing plate adjusts between the two between reel flange 4 and core reel flanges 1
Spacing, the side end face opposite with core reel flanges 1 of the reel flange 4 is equipped with one piece of U-shaped pallets 5, the U-shaped pallets
5 by one piece of steel plate bending at U-shaped, the side end face of U-shaped pallets 5 and reel flange 4 is welded to connect and U-shaped pallets 5 are set to axis
The inner hole side of reel flanges 4, the central axis of the bending part in arc-shaped of U-shaped pallets 5 and the axis weight of reel flange 4
It closes, the both ends of U-shaped pallets 5 are respectively equipped with one first pin axis through hole 501, and one end of the central siphon 6 is against reel flange 4 and is set to
In U-shaped pallets 5, one end outer wall of central siphon 6 and being bonded in the bending part medial surface of arc-shaped for U-shaped pallets 5, central siphon 6 it is interior
Bore dia is greater than the diameter of bore of reel flange 4, and one end side wall of central siphon 6 is equipped with logical with two the first pin shafts of U-shaped pallets 5
The second pin axis through hole 601 of 501 corresponding two, hole, one end of central siphon 6 are connected with U-shaped pallets 5 by pin shaft, by adjusting
The concentricity of central siphon 6 and U-shaped pallets 5 adjusts and guarantees the transverse direction and height variation of arch rib installation.The other end of the central siphon 6
It is connected with one end of sleeve nut 7, internal screw thread, the other end outer wall processing of the central siphon 6 is machined in the sleeve nut 7
There is the external screw thread matched.The other end of the central siphon 6 of two groups of steel pipe positioning components is connect with the both ends of sleeve nut 7 respectively, and two
Spacing is respectively equipped between the other end of the central siphon 6 of group steel pipe positioning component and between U-shaped pallets 5 and sleeve nut 7, two
Spacing between the other end of the central siphon 6 of group steel pipe positioning component is flexible for adjusting arch rib, two groups of steel pipe positioning components it is U-shaped
Spacing between supporting plate 5 and sleeve nut 7 be used to meet sleeve nut 7 be screwed into or the amount of back-outing.
It further include the first arch rib steel pipe 8 and the second arch rib steel pipe to be joined the two sections of a bridge, etc.
Before use, core reel flanges 1, core pipe 2 and the muti-piece arch rib fixed plate 3 in every group of steel pipe positioning component are welded into one
Body, by every group of steel pipe positioning component reel flange 4 and U-shaped pallets 5 it is integrally welded.In use, with the first arch rib steel pipe 8
For being installed with one group of steel pipe positioning component, integrally welded core reel flanges 1, core pipe 2 and muti-piece arch rib fixed plate 3 are installed
It is welded in the first side 301 in the first arch rib steel pipe 8 to be joined the two sections of a bridge, etc, making muti-piece arch rib fixed plate 3 and 8 inner wall of the first arch rib steel pipe
Connection, then the reel flange 4 in integrally welded reel flange 4 and U-shaped pallets 5 is passed through into high-strength bolt with core reel flanges 1
It is connected with nut, then one end of central siphon 6 is butted on reel flange 4, one end of central siphon 6 is connect with U-shaped pallets 5, and by U
Type supporting plate 5 is held, and the other end of central siphon 6 is threadedly coupled with sleeve nut 7, then equally installs the second arch rib steel pipe and another group
Steel pipe positioning component.The other end of the central siphon 6 of two groups of steel pipe positioning components has spacing, the spacing conduct in sleeve nut 7
The flexible stroke in segment caused by reserving because of temperature change realizes coarse adjustment when the first arch rib steel pipe 8 and the second arch rib steel pipe join the two sections of a bridge, etc
Positioning realizes accurate adjustment positioning by tightening high-strength bolt and nut, to undertake and eliminate first using continuous monitoring matching
The mount stress of arch rib steel pipe 8 and the second arch rib steel pipe avoids misalignment, mismatch deviation.Wherein, core reel flanges 1, core pipe 2, reel
Flange 4 is hollow unit, is circulated convenient for inner concrete, and the construction requirement that concrete is filled in tubular arch is able to satisfy.
It should be pointed out that can also have the embodiment of a variety of transformation and remodeling for the present invention through absolutely proving,
It is not limited to the specific embodiment of above embodiment.Above-described embodiment as just explanation of the invention, rather than to this
The limitation of invention.In short, protection scope of the present invention should include that those are apparent to those skilled in the art
Transformation or substitution and remodeling.
Claims (9)
- The three-dimensional accurate adjustment positioning mechanism 1. a kind of large-scale steel pipe arch rib space joins the two sections of a bridge, etc, which is characterized in that including two groups of steel pipe positioning groups Part and sleeve nut, the steel pipe positioning component include core reel flanges, core pipe, arch rib fixed plate, reel flange, U-shaped pallets and Central siphon；One side end face of the core reel flanges is equipped with a core pipe and muti-piece arch rib fixed plate, the core pipe stand on core reel flanges Side end face center and the two be welded to connect, for arch rib fixed plate described in muti-piece circumferentially in the side of core pipe, arch rib is solid The side end face of the outer wall and core reel flanges of fixed board and core pipe is welded to connect；The reel flange is connected with core reel flanges by multiple high-strength bolts and nut, reel flange with core reel flanges phase It is welded with one piece of U-shaped pallets on one side end face of back, the U-shaped pallets are set to the inner hole side of reel flange, U-shaped pallets It is overlapped in the central axis of the bending part of arc-shaped with the axis of reel flange, the both ends of U-shaped pallets are respectively equipped with one first Pin axis through hole；One end of the central siphon is against on a side end face of reel flange and is set in U-shaped pallets, on one end side wall of central siphon Equipped with corresponding two the second pin axis through holes of two the first pin axis through holes with U-shaped pallets, one end of central siphon and U-shaped pallets are logical Pin shaft is crossed to be connected, the other end outer wall of central siphon is equipped with external screw thread, be equipped with internal screw thread in the sleeve nut, the central siphon it is another The connection of the threaded one end of one end and sleeve nut；It is respectively equipped between the other end of the central siphon of steel pipe positioning component described in two groups and between U-shaped pallets and sleeve nut Spacing.
- The three-dimensional accurate adjustment positioning mechanism 2. large-scale steel pipe arch rib according to claim 1 space joins the two sections of a bridge, etc, which is characterized in that described The diameter of bore of core pipe is equal with the diameter of bore of core reel flanges.
- The three-dimensional accurate adjustment positioning mechanism 3. large-scale steel pipe arch rib according to claim 2 space joins the two sections of a bridge, etc, which is characterized in that described Core reel flanges are identical with the shape and size of reel flange.
- The three-dimensional accurate adjustment positioning mechanism 4. large-scale steel pipe arch rib according to claim 3 space joins the two sections of a bridge, etc, which is characterized in that described The diameter of bore of central siphon is greater than the diameter of bore of reel flange.
- The three-dimensional accurate adjustment positioning mechanism 5. large-scale steel pipe arch rib according to claim 1 space joins the two sections of a bridge, etc, which is characterized in that described Backing plate is equipped between reel flange and core reel flanges.
- The three-dimensional accurate adjustment positioning mechanism 6. large-scale steel pipe arch rib according to claim 1 space joins the two sections of a bridge, etc, which is characterized in that described U-shaped pallets fit in the bending part medial surface of arc-shaped and one end outer wall of central siphon.
- The three-dimensional accurate adjustment positioning mechanism 7. large-scale steel pipe arch rib according to claim 1 space joins the two sections of a bridge, etc, which is characterized in that described Spacing between U-shaped pallets and sleeve nut is the half of the spacing between the other end of the central siphon of two groups of steel pipe positioning components.
- The three-dimensional accurate adjustment positioning mechanism 8. large-scale steel pipe arch rib according to claim 1-7 space joins the two sections of a bridge, etc, feature It is, further includes the first arch rib steel pipe and the second arch rib steel pipe to be joined the two sections of a bridge, etc, the muti-piece arch rib of steel pipe positioning component described in two groups Fixed plate is respectively arranged in the first arch rib steel pipe and the second arch rib steel pipe, muti-piece arch rib fixed plate and place arch rib steel pipe inner wall It is welded to connect.
- The three-dimensional accurate adjustment positioning mechanism 9. large-scale steel pipe arch rib according to claim 8 space joins the two sections of a bridge, etc, which is characterized in that described Arch rib fixed plate has the first side, and the axis of the first Bian Yuxin reel flanges is parallel and arrives the distance of axis radially most Greatly, the first side is greater than the radius of core reel flanges outer circle to the distance of core reel flanges axis.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811466814.9A CN109826096A (en) | 2018-12-03 | 2018-12-03 | A kind of three-dimensional accurate adjustment positioning mechanism of large-scale steel pipe arch rib space closure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811466814.9A CN109826096A (en) | 2018-12-03 | 2018-12-03 | A kind of three-dimensional accurate adjustment positioning mechanism of large-scale steel pipe arch rib space closure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113186796A (en) * | 2021-04-30 | 2021-07-30 | 广州文船重工有限公司 | Connecting joint and connecting method for closure opening of arch bridge |
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2018
- 2018-12-03 CN CN201811466814.9A patent/CN109826096A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113186796A (en) * | 2021-04-30 | 2021-07-30 | 广州文船重工有限公司 | Connecting joint and connecting method for closure opening of arch bridge |
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