CN111305060A - Rotary rod type multidirectional displacement bridge expansion device - Google Patents
Rotary rod type multidirectional displacement bridge expansion device Download PDFInfo
- Publication number
- CN111305060A CN111305060A CN202010314577.5A CN202010314577A CN111305060A CN 111305060 A CN111305060 A CN 111305060A CN 202010314577 A CN202010314577 A CN 202010314577A CN 111305060 A CN111305060 A CN 111305060A
- Authority
- CN
- China
- Prior art keywords
- beam steel
- displacement
- joist
- displacement box
- middle beam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/062—Joints having intermediate beams
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Floor Finish (AREA)
Abstract
The invention discloses a rotary rod type multidirectional displacement bridge expansion device, which comprises a rotary rod, a rotating shaft, side beam steel, moving middle beam steel, fixed middle beam steel and a joist, wherein a limiting rod arranged at the top of the joist is driven to move on a long strip-shaped through hole formed in the rotary rod by utilizing the rotation of the rotary rod along the rotating shaft, so that the adjustment of the distance between a first displacement box and a second displacement box is realized, the adjustment of the seam width between the side beam steel and the moving middle beam steel and between the moving middle beam steel and the fixed middle beam steel is further realized, the seam width between the side beam steel and the moving middle beam steel and between the moving middle beam steel and the fixed middle beam steel is less in the adjustment process, the balance of the seam width between the side beam steel and the moving middle beam steel and between the moving middle beam steel and the fixed middle beam steel is ensured, the devices are difficult to age and corrode by adopting steel structures, and the service life of the devices is prolonged.
Description
Technical Field
The invention relates to the field of bridge expansion joints, in particular to a rotary rod type multidirectional displacement bridge expansion device.
Background
Most of the modulus type expansion joints used in the existing market adopt a chain plate mode to balance the seam width among the section steels, and most of the hairless type expansion joints adopt a polyurethane spring mode to balance the seam width among the section steels; the modulus type expansion joint has the advantages that the sum of the gap amount is larger and larger after the abutting joint gap between the chain plate and the linkage shaft is stepped, so that the gap width between the profile steels is unbalanced easily, and the service cycle of the muller type expansion joint is relatively short due to the aging of the polyurethane spring.
How present bridge telescoping device can the expansion joint when the seam width is balanced between each shaped steel, adopt better structure, it is longer to reach life, is the technical problem that technical personnel in the field awaited solution promptly.
Disclosure of Invention
The invention aims to provide a rotating rod type multidirectional displacement bridge expansion device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a multidirectional bridge telescoping device that shifts of rotating-lever type, including the joist, the both ends of joist are provided with first displacement case and second displacement case, the both ends of joist stretch into first displacement case and second displacement incasement respectively, the joist top is installed fixed well beam steel through the supporting shoe, the roof beam steel in first displacement case and the symmetry of second displacement case top are installed, be provided with the roof beam steel in the removal between roof beam steel and the fixed well beam steel, the axis of rotation is installed in the inboard top rotation of first displacement case and second displacement case, the axis of rotation is connected with the one end rotation of rotating-lever, set up the rectangular shape through-hole that a plurality of is used for the gag lever post of joist top installation to pass on the rotating-lever.
As a further scheme of the invention: and limiting rods are symmetrically arranged at two ends of the top of the joist.
As a still further scheme of the invention: the top of the inner side of the first displacement box and the top of the inner side of the second displacement box are both provided with guide rails, first rubber supports are symmetrically arranged between the top of the inner side of the first displacement box and the top of the inner side of the second displacement box and the joist, and second rubber supports are symmetrically arranged between the bottom of the inner side of the first displacement box and the bottom of the inner side of the second displacement box and the joist.
As a still further scheme of the invention: and water stop strips are filled between the fixed middle beam steel and the movable middle beam steel and between the movable middle beam steel and the side beam steel, and are made of rubber.
As a still further scheme of the invention: the guide rail and the joist are matched.
As a still further scheme of the invention: the joist, the first displacement box, the second displacement box, the side beam steel, the moving middle beam steel, the fixed middle beam steel, the rotary rod, the rotating shaft and the limiting rod are all made of stainless steel.
As a still further scheme of the invention: the length of the long-strip-shaped through holes at different positions on the rotating rod is increased along with the distance between the rotating rod and the rotating shaft.
Compared with the prior art, the invention has the beneficial effects that:
1. the rotating rod rotates along the rotating shaft, so that the limiting rod arranged at the top of the joist is driven to move on the long-strip-shaped through hole formed in the rotating rod, the distance between the first displacement box and the second displacement box is adjusted, and the adjustment of the seam width between the edge beam steel and the moving middle beam steel and the fixed middle beam steel are further realized;
2. the butt joint is less in the adjustment process of the width of the seam between the edge beam steel and the moving middle beam steel and between the moving middle beam steel and the fixed middle beam steel, the balance of the width of the seam between the edge beam steel and the moving middle beam steel and between the moving middle beam steel and the fixed middle beam steel is ensured, the devices are all made of steel structures, aging and corrosion are not prone to occurring, and the service life of the devices is prolonged.
Drawings
Fig. 1 is a schematic structural view of a rotating rod type multidirectional displacement bridge expansion device.
Fig. 2 is a schematic drawing of a partial stretching structure of the rotating-rod type multi-directional shifting bridge expansion device.
FIG. 3 is a schematic view of the structure of the partial contraction in the rotary rod type multi-directional displacement bridge expansion device.
Fig. 4 is a drawing schematic diagram of the rotating rod type multidirectional displacement bridge expansion device.
FIG. 5 is a schematic drawing showing the retraction of the rotary rod type multi-directional shifting bridge expansion device.
Shown in the figure: the device comprises a first displacement box 1, a guide rail 2, a first rubber support 3, boundary beam steel 4, movable middle beam steel 5, a water stop bar 6, a second displacement box 7, a joist 8, fixed middle beam steel 9, a second rubber support 10, a rotating shaft 11 and a rotating rod 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, in the embodiment of the present invention, a rotary rod type multidirectional displacement bridge expansion device comprises a first displacement box 1, a guide rail 2, a first rubber support 3, a boundary beam steel 4, a movable middle beam steel 5, a water stop strip 6, a second displacement box 7, a joist 8, a fixed middle beam steel 9, a second rubber support 10, a rotating shaft 11 and a rotary rod 12, wherein the two ends of the joist 8 are provided with the first displacement box 1 and the second displacement box 7, the two ends of the joist 8 respectively extend into the first displacement box 1 and the second displacement box 7, the top of the joist 8 is provided with the fixed middle beam steel 9 through a support block, the two ends of the top of the joist 8 are symmetrically provided with a limit rod, the top of the first displacement box 1 and the top of the second displacement box 7 are symmetrically provided with the boundary beam steel 4, the movable middle beam steel 5 is arranged between the boundary beam steel 4 and the fixed middle beam steel 9, the water stop strip 6 is arranged between the fixed middle beam steel 9 and the movable middle beam steel 5 and the movable middle beam steel 4, the water stop strip 6 is made of rubber, the inner tops of the first displacement box 1 and the second displacement box 7 are respectively provided with a guide rail 2, the guide rails 2 and the joist 8 are arranged in a matched manner, first rubber supports 3 are symmetrically arranged between the inner top of the first displacement box 1 and the inner top of the second displacement box 7 and the joist 8, second rubber supports 10 are symmetrically arranged between the inner bottom of the first displacement box 1 and the inner bottom of the second displacement box 7 and the joist 8, the first displacement box 1, the second displacement box 7, the edge beam steel 4, the movable middle beam steel 5, the fixed middle beam steel 9, the rotary rod 12, the rotary shaft 11 and the limiting rod are made of stainless steel, the inner tops of the first displacement box 1 and the second displacement box 7 are rotatably provided with rotary shafts 11, the rotary shafts 11 are rotatably connected with one ends of the rotary rods 12, the rotary rods 12 are provided with a plurality of strip-shaped through holes for the limiting rods arranged at the tops of the joist 8 to pass through, the length of the elongated through holes at different positions on the rotary rod 12 becomes longer as the distance from the rotary shaft 11 becomes larger.
The working principle of the invention is as follows:
when the width of the gap between the edge beam steel 4 and the moving middle beam steel 5 and the fixed middle beam steel 9 needs to be adjusted, by rotating along the rotating shaft 11 by using the rotating rod 12, thereby driving the limiting rod arranged at the top of the joist 8 to move on the long strip-shaped through hole arranged on the rotating rod 12, therefore, the adjustment of the distance between the first displacement box 1 and the second displacement box 7 is realized, the adjustment of the width of the seam between the edge beam steel 4 and the moving middle beam steel 5 and the fixed middle beam steel 9 is further realized, the seam is less in the adjustment process of the width of the seam between the edge beam steel 4 and the moving middle beam steel 5 and the fixed middle beam steel 9, the balance of the width of the seam between the edge beam steel 4 and the moving middle beam steel 5 and the fixed middle beam steel 9 is ensured, the devices are difficult to age and corrode by adopting steel structures, and the service life of the devices is prolonged.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a rotatory rod-type multidirectional bridge telescoping device that shifts, includes joist (8), its characterized in that: the two ends of the joist (8) are provided with a first displacement box (1) and a second displacement box (7), the two ends of the joist (8) respectively extend into the first displacement box (1) and the second displacement box (7), fixed middle girder steel (9) is installed at the top of the joist (8) through supporting blocks, side girder steel (4) is symmetrically installed at the tops of the first displacement box (1) and the second displacement box (7), moving middle girder steel (5) is arranged between the side girder steel (4) and the fixed middle girder steel (9), a rotating shaft (11) is rotatably installed at the tops of the inner sides of the first displacement box (1) and the second displacement box (7), the rotating shaft (11) is rotatably connected with one end of a rotating rod (12), and a plurality of elongated through holes for the limiting rods installed at the top of the joist (8) to penetrate are formed in the rotating rod (12).
2. The rotary rod type multidirectional displacement bridge expansion device according to claim 1, wherein: limiting rods are symmetrically arranged at two ends of the top of the joist (8).
3. The rotary rod type multidirectional displacement bridge expansion device according to claim 1, wherein: the top of the inner side of each of the first displacement box (1) and the second displacement box (7) is provided with a guide rail (2), first rubber supports (3) are symmetrically arranged between the top of the inner side of the first displacement box (1) and the top of the inner side of the second displacement box (7) and the joist (8), and second rubber supports (10) are symmetrically arranged between the bottom of the inner side of the first displacement box (1) and the bottom of the inner side of the second displacement box (7) and the joist (8).
4. The rotary rod type multidirectional displacement bridge expansion device according to claim 1, wherein: and water stop strips (6) are filled between the fixed middle beam steel (9) and the movable middle beam steel (5) and between the movable middle beam steel (5) and the side beam steel (4), and the water stop strips (6) are made of rubber.
5. The rotary rod type multidirectional displacement bridge expansion device according to claim 1, wherein: the guide rail (2) and the joist (8) are arranged in a matched manner.
6. The rotary rod type multidirectional displacement bridge expansion device according to claim 1, wherein: the joist (8), the first displacement box (1), the second displacement box (7), the side beam steel (4), the movable center beam steel (5), the fixed center beam steel (9), the rotary rod (12), the rotary shaft (11) and the limiting rod are all made of stainless steel.
7. The rotary rod type multidirectional displacement bridge expansion device according to claim 1, wherein: the length of the long-strip-shaped through holes at different positions on the rotating rod (12) is increased along with the distance between the rotating rod and the rotating shaft (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010314577.5A CN111305060A (en) | 2020-04-21 | 2020-04-21 | Rotary rod type multidirectional displacement bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010314577.5A CN111305060A (en) | 2020-04-21 | 2020-04-21 | Rotary rod type multidirectional displacement bridge expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111305060A true CN111305060A (en) | 2020-06-19 |
Family
ID=71150232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010314577.5A Pending CN111305060A (en) | 2020-04-21 | 2020-04-21 | Rotary rod type multidirectional displacement bridge expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111305060A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211093A (en) * | 2020-09-18 | 2021-01-12 | 中盛路桥科技有限公司 | Bridge telescoping device with regulatory function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1187954A1 (en) * | 1999-06-18 | 2002-03-20 | Vexcolt (Uk) Limited | Bridge joint |
| CN203977286U (en) * | 2014-08-14 | 2014-12-03 | 衡水布朗科技有限公司 | Replaceable modulus bridge expansion device |
| CN207227945U (en) * | 2016-08-25 | 2018-04-13 | 中铁第四勘察设计院集团有限公司 | Modular expansion device and bridge with pressure-bearing connection |
| CN109778691A (en) * | 2019-03-14 | 2019-05-21 | 中铁第四勘察设计院集团有限公司 | Steel bomb physique beam type profile steel bridge expansion device |
| CN110331660A (en) * | 2019-08-21 | 2019-10-15 | 衡水中铁建工程橡胶有限责任公司 | A kind of modulus type bridge expanssion joint with flat pendulum support beam |
| CN209941484U (en) * | 2019-05-14 | 2020-01-14 | 衡水旗舰桥隧橡塑有限公司 | Rotary rod type multidirectional displacement bridge expansion device |
-
2020
- 2020-04-21 CN CN202010314577.5A patent/CN111305060A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1187954A1 (en) * | 1999-06-18 | 2002-03-20 | Vexcolt (Uk) Limited | Bridge joint |
| CN203977286U (en) * | 2014-08-14 | 2014-12-03 | 衡水布朗科技有限公司 | Replaceable modulus bridge expansion device |
| CN207227945U (en) * | 2016-08-25 | 2018-04-13 | 中铁第四勘察设计院集团有限公司 | Modular expansion device and bridge with pressure-bearing connection |
| CN109778691A (en) * | 2019-03-14 | 2019-05-21 | 中铁第四勘察设计院集团有限公司 | Steel bomb physique beam type profile steel bridge expansion device |
| CN209941484U (en) * | 2019-05-14 | 2020-01-14 | 衡水旗舰桥隧橡塑有限公司 | Rotary rod type multidirectional displacement bridge expansion device |
| CN110331660A (en) * | 2019-08-21 | 2019-10-15 | 衡水中铁建工程橡胶有限责任公司 | A kind of modulus type bridge expanssion joint with flat pendulum support beam |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211093A (en) * | 2020-09-18 | 2021-01-12 | 中盛路桥科技有限公司 | Bridge telescoping device with regulatory function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109826090B (en) | Assembled type segmented bent cap and connecting method thereof | |
| CN104746420A (en) | Structure for connecting upper and lower parts of bridge wrapped with rubber cap steel tube and constructing method thereof | |
| CN111305060A (en) | Rotary rod type multidirectional displacement bridge expansion device | |
| CN209941484U (en) | Rotary rod type multidirectional displacement bridge expansion device | |
| CN215329341U (en) | Large-displacement replaceable multidirectional displacement modular expansion device | |
| CN108748622B (en) | PC track beam bottom die system | |
| CN216809617U (en) | Detachable self-propelled operating platform for steel beam flange plate construction | |
| CN217379224U (en) | Telescopic steel structure truss | |
| CN205329535U (en) | Novel bridge double slit formula expansion joint device | |
| CN2490261Y (en) | Device for changing and supporting post of house by structural steel | |
| CN215630620U (en) | Large-span fish belly type inverted triangular steel truss | |
| CN211553994U (en) | Concatenation formula soil moisture seepage analogue means | |
| CN211257557U (en) | Connecting structure of profile steel concrete column and reinforced concrete beam | |
| CN212336761U (en) | Stable form ring truss translation device | |
| CN209703272U (en) | A kind of scalable half freely-supported is semicontinuous can spliced girder | |
| CN211735289U (en) | Prefabricated formula culvert gate of irrigation and water conservancy | |
| CN216474479U (en) | Full-life telescoping device for bridge | |
| CN220414290U (en) | Steel cofferdam head joint assembling platform | |
| CN219491332U (en) | Semi-rigid connection node of double-end plate | |
| CN215629380U (en) | Steel construction roof beam structure guide tracked bridge girder erection machine | |
| CN219798324U (en) | Wireless transmission device for measuring inclination of high formwork | |
| CN216578439U (en) | Adjustable T-beam template | |
| CN220620012U (en) | Split type steel gate convenient to transportation | |
| CN210163026U (en) | Steel structure support frame for bridge crane | |
| CN218952247U (en) | Urban underground passage self-propelled integral side wall template |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200619 |
|
| RJ01 | Rejection of invention patent application after publication |