CN104213506B - The wide adjusting device of a kind of bridge expanssion joint - Google Patents
The wide adjusting device of a kind of bridge expanssion joint Download PDFInfo
- Publication number
- CN104213506B CN104213506B CN201410490701.8A CN201410490701A CN104213506B CN 104213506 B CN104213506 B CN 104213506B CN 201410490701 A CN201410490701 A CN 201410490701A CN 104213506 B CN104213506 B CN 104213506B
- Authority
- CN
- China
- Prior art keywords
- adjustment beam
- block
- pressure block
- adjusting device
- bridge expanssion
- 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.)
- Active
Links
Landscapes
- Connection Of Plates (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to the wide adjusting device of a kind of bridge expanssion joint.It comprises adjustment beam, revolute pair and two rotational slip pairs, is positioned at the revolute pair in the middle of adjustment beam and is positioned at the rotational slip pair adjusting beam both sides to form three tie points; Described revolute pair is made up of link, pressure block, the block that is fixed and clamped, and pressure block is sleeved on below adjustment beam with U-shaped structure, and the block that is fixed and clamped is fixedly connected with the pin-and-hole above adjustment beam; Described rotational slip pair is made up of link, pressure block, compact heap, and pressure block and compact heap are set in below adjustment beam and top with U-shaped structure, and its contact surface is equipped with the motion of sliding plate slip; Described pressure block, compact heap, be fixed and clamped block and link are all with chain connection.Described sliding plate adopts the stainless steel of cold spraying zirconia coating to make.Compared with prior art, the wide adjusting device structure of bridge expanssion joint of the present invention is simple, saving material, and the seam that can adjust between each shaped steel wide automatic uniform.
Description
Technical field
The invention belongs to technical field of bridge engineering, specifically, relate to the wide adjusting device of a kind of bridge expanssion joint.
Background technology
When bridge design, bridge panel can expand due to reasons such as variations in temperature or shrink, and will arrange a shrinkage joint between each adjacent bridge panel of therefore every two predetermined beam lengths, bridge dilatation in the longitudinal direction can be born primarily of bridge expanssion joint.
At present, bridge expansion joint installation has polytype, modal modulus type shrinkage joint arranges two cross section " F " shapes, " E " shape shaped steel by bilateral symmetry, centre arranges " king " type cross section shaped steel of varying number, and then the rubber fastening band of V-arrangement is set between two root type steel, between shaped steel gap, flow into bridge substructure to prevent rainwater.But when environment temperature changes, can there is telescopic moving in pontic, and the gap between the shaped steel of shrinkage joint also can broaden or narrow.Gap between shaped steel is often uneven, this directly can affect the exterior appearance at shrinkage joint and change bottom, shrinkage joint stress, hidden danger can be brought to traffic safety simultaneously, for this situation, Chinese patent (200710008708.1) just discloses a kind of expanded joint structure that automatically can adjust gap, comprise two L-type steel plates, one of them L-type steel plate is affixed with the reinforcing bar of the steel concrete of the side in seam hole, another L-type steel plate is affixed with the reinforcing bar of the steel concrete of the opposite side in seam hole, its feature adjusts steel plate for placing seamed hole between a L-type steel plate and another L-type steel plate, and the side of seam hole adjustment steel plate is fixed on the L-type steel plate of corresponding side.But the function of product described in this patent is more partial to abate the noise, the bridge expanssion joint that can not solve large gauge model adjusts gap needs automatically, and structure is more complicated, waste material.
Summary of the invention
For solving the problems of the technologies described above, the invention provides the wide adjusting device of bridge expanssion joint seam that a kind of structure is simple, save material.
The wide adjusting device of a kind of bridge expanssion joint of the present invention, described device comprises adjustment beam 1, revolute pair 6 and two rotational slip pairs 7, is positioned at the revolute pair 6 in the middle of adjustment beam 1 and is positioned at the rotational slip secondary 7 adjusting beam 1 both sides to form three tie points; Described revolute pair 6 is made up of link 2, pressure block 3, the block 5 that is fixed and clamped, and pressure block 3 is sleeved on below adjustment beam 1 with U-shaped structure, and the block 5 that is fixed and clamped is fixedly connected with the pin-and-hole above adjustment beam 1; Described rotational slip pair 7 is made up of link 2, pressure block 3, compact heap 4, and pressure block 3 and compact heap 4 are set in below adjustment beam 1 and top with U-shaped structure, and its contact surface is equipped with the motion of sliding plate 8 slip; Described pressure block 3, compact heap 4, the block 5 that is fixed and clamped all are connected with hinge 9 with link 2; The stainless steel that described sliding plate 8 is zirconia coating by surface is made.
Described zirconia coating thickness is 10-35 μm, and mass area ratio is 1-8g/m
2, adopt cold spray technique to spray and obtain.
The copper coating of thick 1-10 μm is coated with under described zirconia coating.
Mix polyamic acid during described zirconia coating spraying, the incorporation of polyamic acid is the 1%-5% of zirconia quality.
The preparation method of described polyamic acid is: by 2 of 0.15mmol, 2'-bis trifluoromethyl-4,4'-diaminodiphenyl ether monomer joins the N of 1mL, in N'-dimethylacetylamide, 2 are stirred under the nitrogen atmosphere of room gently dried, 2'-bis trifluoromethyl-4,4'-diaminodiphenyl ether monomer dissolves completely, obtains two amine aqueous solutions; 0.15mmol chlordene inner methylidyne tetrahydric phthalic anhydride monomer is divided and joins for 4 times in two amine aqueous solutions, under room temperature and mixing speed are the condition of 350r/min, stir 30h, obtain collosol and gel shape polyamic acid.
The wide adjusting device of a kind of bridge expanssion joint of the present invention, described three tie points to be arranged on bottom three adjacent shaped steel and adjustment beam 1 and shaped steel length direction oblique respectively.
In use, when wherein a root type steel is moved, the adjustment beam of adjusting device will produce around central rotational point and rotate, and other two points produce simultaneously and slide and rotate, drive institute to connect shaped steel to move towards the wide uniform direction of change seam, realize evenly adjusting stitching wide object.
Compared with prior art, the wide adjusting device structure of bridge expanssion joint is simple, saving material, can adjust seam wide automatic uniform.
Accompanying drawing explanation
Fig. 1: the wide adjusting device structure chart of bridge expanssion joint; Fig. 2: the wide adjusting device of bridge expanssion joint uses that schematic diagram: 1-adjusts beam, 2-link, 3-pressure block, 4-compact heap, 5-are fixed and clamped block, 6-revolute pair, 7-rotational slip pair, 8-sliding plate, 9-hinge.
Detailed description of the invention
Below in conjunction with specific embodiment, the wide adjusting device of bridge expanssion joint of the present invention is described further, but protection scope of the present invention is not limited to this.
Embodiment 1
The wide adjusting device of a kind of bridge expanssion joint, described device comprises adjustment beam 1, revolute pair 6 and two rotational slip pairs 7, and the revolute pair 6 be positioned in the middle of adjustment beam 1 forms three tie points with the rotational slip secondary 7 being positioned at adjustment beam 1 both sides; Described revolute pair 6 is made up of link 2, pressure block 3, the block 5 that is fixed and clamped, and pressure block 3 is sleeved on below adjustment beam 1 with U-shaped structure, and the block 5 that is fixed and clamped is fixedly connected with the pin-and-hole above adjustment beam 1; Described rotational slip pair 7 is made up of link 2, pressure block 3, compact heap 4, and pressure block 3 and compact heap 4 are set in below adjustment beam 1 and top with U-shaped structure, and its contact surface is equipped with the motion of sliding plate 8 slip; Described pressure block 3, compact heap 4, the block 5 that is fixed and clamped all are connected with hinge 9 with link 2; Described sliding plate 8 adopts the stainless steel of cold spraying zirconia coating to make; The zirconia coating thickness of described sliding plate 8 is 6.0 μm, and mass area ratio is 4.2g/m
2; Described three tie points to be arranged on bottom three adjacent shaped steel and adjustment beam 1 and shaped steel length direction oblique respectively.
Embodiment 2
The wide adjusting device of a kind of bridge expanssion joint, described device comprises adjustment beam 1, revolute pair 6 and two rotational slip pairs 7, and the revolute pair 6 be positioned in the middle of adjustment beam 1 forms three tie points with the rotational slip secondary 7 being positioned at adjustment beam 1 both sides; Described revolute pair 6 is made up of link 2, pressure block 3, the block 5 that is fixed and clamped, and pressure block 3 is sleeved on below adjustment beam 1 with U-shaped structure, and the block 5 that is fixed and clamped is fixedly connected with the pin-and-hole above adjustment beam 1; Described rotational slip pair 7 is made up of link 2, pressure block 3, compact heap 4, and pressure block 3 and compact heap 4 are set in below adjustment beam 1 and top with U-shaped structure, and its contact surface is equipped with the motion of sliding plate 8 slip; Described pressure block 3, compact heap 4, the block 5 that is fixed and clamped all are connected with hinge 9 with link 2; Described sliding plate 8 adopts and first plates 8 μm of thick copper coatings, the stainless steel that then adopts cold spray technique to be coated with zirconia coating is again made; The zirconia coating thickness of described sliding plate 8 is 6.0 μm, and mass area ratio is 4.2g/m
2; Described three tie points to be arranged on bottom three adjacent shaped steel and adjustment beam 1 and shaped steel length direction oblique respectively.
Embodiment 3
The wide adjusting device of a kind of bridge expanssion joint, described device comprises adjustment beam 1, revolute pair 6 and two rotational slip pairs 7, and the revolute pair 6 be positioned in the middle of adjustment beam 1 forms three tie points with the rotational slip secondary 7 being positioned at adjustment beam 1 both sides; Described revolute pair 6 is made up of link 2, pressure block 3, the block 5 that is fixed and clamped, and pressure block 3 is sleeved on below adjustment beam 1 with U-shaped structure, and the block 5 that is fixed and clamped is fixedly connected with the pin-and-hole above adjustment beam 1; Described rotational slip pair 7 is made up of link 2, pressure block 3, compact heap 4, and pressure block 3 and compact heap 4 are set in below adjustment beam 1 and top with U-shaped structure, and its contact surface is equipped with the motion of sliding plate 8 slip; Described pressure block 3, compact heap 4, the block 5 that is fixed and clamped all are connected with hinge 9 with link 2; Described sliding plate 8 adopts the stainless steel of cold spraying zirconia coating to make; The zirconia coating thickness of described sliding plate 8 is 6.0 μm, and mass area ratio is 4.2g/m
2; Mix polyamic acid during described zirconia coating spraying, the incorporation of polyamic acid is 1% of zirconia quality; Described three tie points to be arranged on bottom three adjacent shaped steel and adjustment beam 1 and shaped steel length direction oblique respectively.
The preparation method of described polyamic acid is: by 2 of 0.15mmol, 2'-bis trifluoromethyl-4,4'-diaminodiphenyl ether monomer joins the N of 1mL, in N'-dimethylacetylamide, 2 are stirred under the nitrogen atmosphere of room gently dried, 2'-bis trifluoromethyl-4,4'-diaminodiphenyl ether monomer dissolves completely, obtains two amine aqueous solutions; 0.15mmol chlordene inner methylidyne tetrahydric phthalic anhydride monomer is divided and joins for 4 times in two amine aqueous solutions, under room temperature and mixing speed are the condition of 350r/min, stir 30h, obtain collosol and gel shape polyamic acid.
Embodiment 4
The wide adjusting device of a kind of bridge expanssion joint, described device comprises adjustment beam 1, revolute pair 6 and two rotational slip pairs 7, and the revolute pair 6 be positioned in the middle of adjustment beam 1 forms three tie points with the rotational slip secondary 7 being positioned at adjustment beam 1 both sides; Described revolute pair 6 is made up of link 2, pressure block 3, the block 5 that is fixed and clamped, and pressure block 3 is sleeved on below adjustment beam 1 with U-shaped structure, and the block 5 that is fixed and clamped is fixedly connected with the pin-and-hole above adjustment beam 1; Described rotational slip pair 7 is made up of link 2, pressure block 3, compact heap 4, and pressure block 3 and compact heap 4 are set in below adjustment beam 1 and top with U-shaped structure, and its contact surface is equipped with the motion of sliding plate 8 slip; Described pressure block 3, compact heap 4, the block 5 that is fixed and clamped all are connected with hinge 9 with link 2; Described sliding plate 8 adopts and first plates 8 μm of thick copper coatings, the stainless steel that then adopts cold spray technique to be coated with zirconia coating is again made; The zirconia coating thickness of described sliding plate 8 is 6.0 μm, and mass area ratio is 4.2g/m
2; Mix polyamic acid during described zirconia coating spraying, the incorporation of polyamic acid is 1% of zirconia quality; Described three tie points to be arranged on bottom three adjacent shaped steel and adjustment beam 1 and shaped steel length direction oblique respectively.
The preparation method of described polyamic acid is: by 2 of 0.15mmol, 2'-bis trifluoromethyl-4,4'-diaminodiphenyl ether monomer joins the N of 1mL, in N'-dimethylacetylamide, 2 are stirred under the nitrogen atmosphere of room gently dried, 2'-bis trifluoromethyl-4,4'-diaminodiphenyl ether monomer dissolves completely, obtains two amine aqueous solutions; 0.15mmol chlordene inner methylidyne tetrahydric phthalic anhydride monomer is divided and joins for 4 times in two amine aqueous solutions, under room temperature and mixing speed are the condition of 350r/min, stir 30h, obtain collosol and gel shape polyamic acid.
In use, three tie points of this device to be arranged on bottom three adjacent shaped steel and adjustment beam and shaped steel length direction oblique respectively.When wherein a root type steel is moved, the adjustment beam of adjusting device will produce around intermediate connection point and rotate, other two tie points produce simultaneously and slide and rotate, and drive institute to connect shaped steel and move towards the wide uniform direction of change seam, realize evenly adjusting stitching wide object.
With embodiment 1-4 product for model carries out simulated experiment, find that embodiment 1-4 product and sliding plate are pure stainless steel with compared with the obtained product of method, there is better hardness and impact toughness, its hardness (HRC) between 55-57, impact toughness (J/cm
2) between 24-28, and the hardness of prior art is between 45-48, impact toughness is between 10-16.In addition, by gradually strengthening test load, find that embodiment 3,4 product is compared with embodiment 1,2 product, its slip property is better, can sensitiveer adjustment equably stitch wide, and there were significant differences.Research and analyse and think, although condensate has keratinization effect after being converted into poly-imines, and energy increasing friction force, coordinate with zirconia according to suitable amount, but can reach the effect reducing friction factor.Compared with prior art, the wide adjusting device structure of bridge expanssion joint seam is simple, saving material, and energy automatic uniform ground adjustment seam is wide.
Claims (5)
1. the wide adjusting device of bridge expanssion joint, it is characterized in that, described device comprises adjustment beam (1), revolute pair (6) and two rotational slip pairs (7), is positioned at the revolute pair (6) in the middle of adjustment beam (1) and is positioned at the rotational slip pair (7) adjusting beam (1) both sides to form three tie points; Described revolute pair (6) is made up of link (2), pressure block (3), the block that is fixed and clamped (5), pressure block (3) is sleeved on adjustment beam (1) below with U-shaped structure, and the block that is fixed and clamped (5) is fixedly connected with the pin-and-hole of adjustment beam (1) top; Described rotational slip pair (7) is made up of link (2), pressure block (3), compact heap (4), pressure block (3) and compact heap (4) are set in adjustment beam (1) below and top with U-shaped structure, and its contact surface is equipped with the motion of sliding plate (8) slip; Described pressure block (3), compact heap (4), the block that is fixed and clamped (5) are all connected with bearing pin (9) with link (2); The stainless steel that described sliding plate (8) is zirconia coating by surface is made.
2. the wide adjusting device of bridge expanssion joint according to claim 1, is characterized in that, described zirconia coating thickness is 10-35 μm, and mass area ratio is 1-8g/m
2, adopt cold spray technique to spray and obtain.
3. the wide adjusting device of bridge expanssion joint according to claim 1, is characterized in that, is coated with the copper coating of thick 1-10 μm under described zirconia coating.
4. according to the arbitrary described wide adjusting device of bridge expanssion joint of claim 1-3, it is characterized in that, mix polyamic acid during described zirconia coating spraying, the incorporation of polyamic acid is the 1%-5% of zirconia quality.
5. the wide adjusting device of bridge expanssion joint according to claim 1, is characterized in that, described three tie points to be arranged on bottom three adjacent shaped steel and adjustment beam (1) and shaped steel length direction oblique respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410490701.8A CN104213506B (en) | 2014-09-23 | 2014-09-23 | The wide adjusting device of a kind of bridge expanssion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410490701.8A CN104213506B (en) | 2014-09-23 | 2014-09-23 | The wide adjusting device of a kind of bridge expanssion joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104213506A CN104213506A (en) | 2014-12-17 |
| CN104213506B true CN104213506B (en) | 2015-09-30 |
Family
ID=52095389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410490701.8A Active CN104213506B (en) | 2014-09-23 | 2014-09-23 | The wide adjusting device of a kind of bridge expanssion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104213506B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219237A (en) * | 2019-07-23 | 2019-09-10 | 张国学 | A kind of novel bridge expansion joint adaptive mechanism |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0400198A1 (en) * | 1989-06-02 | 1990-12-05 | Friedrich Maurer Söhne GmbH & Co. KG | Device for resiliently clamping supporting beams in a roadway bridging construction |
| CN101270566B (en) * | 2007-03-19 | 2010-12-01 | 黄垤树 | Expanded joint structure capable of automatically adjusting gap |
| CN103255711B (en) * | 2013-05-21 | 2015-06-24 | 成都市新筑路桥机械股份有限公司 | Split type flexure-resisting multidirectional-deflection bridge expansion device |
| CN103510467A (en) * | 2013-10-17 | 2014-01-15 | 山东斯普润桥梁材料技术有限公司 | Bridge expansion device |
-
2014
- 2014-09-23 CN CN201410490701.8A patent/CN104213506B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104213506A (en) | 2014-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205206298U (en) | Adjustable curvature plank sheathing | |
| CN204057068U (en) | A kind of ferry bus passing in and out still kettle | |
| CN207603096U (en) | A kind of adjustable laying high-tension cable device suitable for radian environment | |
| CN206418619U (en) | Multi-stage adjustable damper displacement amplification system and its connection system with structures | |
| CN104213506B (en) | The wide adjusting device of a kind of bridge expanssion joint | |
| CN107443271A (en) | A kind of adjustable type clamper and its clamp method for building materials and ornaments pipe | |
| CN104264582B (en) | A kind of equal distance deflection bridge expansion joint installation | |
| CN103774557A (en) | Variable-width movable construction platform | |
| CN206616710U (en) | Power transmission shaped steel late poured band structure | |
| CN207390201U (en) | A kind of generic transport device for being used to transport steel pipe, steel plate | |
| CN205616508U (en) | Tiltable building support frame | |
| CN107640572A (en) | A kind of operating method of steel pipe hydraulic cylinder type lifting blanking device | |
| CN205687413U (en) | A kind of lifting beam machine supporting leg heightening structure | |
| CN205741922U (en) | A kind of adjustable overmolded of unidirectional variable cross-section | |
| CN210453163U (en) | Automatic marshalling gap bridge trolley in front of kettle | |
| CN207469700U (en) | A kind of construction cat ladder | |
| CN205893855U (en) | Hydraulic pressure expander in big displacement expansion joint clearance | |
| CN206539037U (en) | A kind of air transport device in Steel Structure Installation | |
| CN206287104U (en) | A kind of mobile processing platform of lightweight steel construction | |
| CN203846393U (en) | Joint width regulating device for bridge expansion joint | |
| CN203514298U (en) | Z-steel positioning pile | |
| CN205153118U (en) | Steel construction | |
| CN203636705U (en) | Internal contracting brake of transmission shafts of working rolls of tamper mill | |
| CN208830762U (en) | A kind of building template support frame | |
| CN103042618A (en) | Dismounting working platform for mixing chamber of internal mixer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |