CN201560384U - Comb plate for bridge expansion joint device - Google Patents
Comb plate for bridge expansion joint device Download PDFInfo
- Publication number
- CN201560384U CN201560384U CN2009202012370U CN200920201237U CN201560384U CN 201560384 U CN201560384 U CN 201560384U CN 2009202012370 U CN2009202012370 U CN 2009202012370U CN 200920201237 U CN200920201237 U CN 200920201237U CN 201560384 U CN201560384 U CN 201560384U
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- CN
- China
- Prior art keywords
- broach
- slot
- comb
- pecten
- root
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- 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.)
- Expired - Lifetime
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- Road Paving Structures (AREA)
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Abstract
A comb plate for bridge expansion joint device comprises a body and a plurality of comb teeth arranged evenly at intervals, a slot is formed between two adjacent comb teeth, the terminals of the comb teeth are tapering outwards to enable the slot to be broaden gradually from inner to outer, and the comb teeth at the position in the vicinity of the root are coarsening toward the body direction to enable the slot to be narrowed down gradually from outer to inner, compared to the prior art, according to the utility model, after comb teeth of two comb plates are inserted with each other, namely, the comb teeth on one comb plate is matched into the slot of the other comb plate, under the condition that the space length between the terminals of the comb teeth and the slot root is equal, the clearance between the comb teeth of one comb plate and the slot rim of the other comb plate is contracted to enable the area of the vehicle wheel to be increased being bore by the comb plate and the comb teeth when the vehicle passes through the cross part of the comb teeth of two comb plates, thereby effectively reducing the noises, the actual application is comfortable.
Description
Technical field
The utility model relates to the technical field of bridge expanssion joint, particularly a kind of pecten that is used for bridge expansion joint installation that can effectively reduce noise.
Background technology
In existing bridge expansion joint installation, adopting fixedly, the comb type stretching device of pecten and the cooperation of movable pecten is a kind of preferably, especially use stroke in the large bridge shrinkage joint more than 160 millimeters, Chinese patent ZL02264872.0 number " assemble comb-type bridge extension joint " formerly proposing as me is exactly like this, because its stretching motion is by placing the movable pecten on the bridge expanssion joint to finish, there is not vertical transition gap, and and bridge floor, the road surface connects into an integral body, therefore shockproof properties is good, vehicle ' is steady, comfortable, avoided jumping car phenomenon effectively, made vehicle smooth-going, cosily cross.
In this patented technology, fixedly pecten and movable pecten respectively are provided with broach and transpostion interval setting mutually in relative separately end, movable pecten and fixedly pecten all constitute by pecten body and broach a plurality of and that body is connected as a single entity respectively.Generally, broach is elongated, and a plurality of broach size is consistent, equidistantly arrange, as shown in Figure 5, in the prior art, broach 1 ' end be square, and each broach 1 ' between slot 2 ' root of forming also be square.In actual application, when vehicle carries out the transition to another pecten from a pecten, must be through a plurality of broach of both transpostion intervals, because there is certain spacing in the terminal root with slot of broach, the fast ram compression of wheel will send a burst of sound of " exhaling " when crossing this spacing.This is at the broach of movable pecten and when fixedly the spacing between the broach of pecten is big, and the noise phenomenon is particularly serious, not enough environmental protection.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of pecten that is used for bridge expansion joint installation at above-mentioned prior art present situation, and it can make the interval area that effectively reduces between broach and the slot, thereby can effectively reduce noise, uses comfortable, environmental protection.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this is used for the pecten of bridge expansion joint installation, comprise a body and a plurality of broach that evenly is intervally arranged, wherein, the root of each broach links to each other with body, be formed with slot between two adjacent broach, it is characterized in that: the end of described broach is tapered towards the outside, slot is broadened from inside to outside gradually, and, described broach towards the chap gradually of body direction, makes slot from narrowing down gradually outside to inside in the position that is close to root.
The root of described broach and body can directly be connected as a single entity, and also can adopt other modes to connect, such as adopting rotating the connecting of pivot joint mode.
As further improvement, described slot can adapt with the size of broach end in the size at root place, thereby in use, slot can hold the broach of the same pecten of another piece of being arranged on a relative side, the broach in another piece pecten just can be in this slot stretching motion.
The end of described broach can design and be multiple shape, as long as side is tapered from inside to outside, preferably, the end of described broach can have the trapezoidal portion that is trapezoidal of overlooking, and the root of described slot is overlooked and also is trapezoidal.
For making the vehicle can smooth transition through the broach intersection region of two pectens the time, reduce the active force of wheel to the broach end, prevent the broach fracture, trapezoidal surface of each broach end can have a downward-sloping inclined plane.
As further improvement, the reduce in scale scope that the shortest portion compares the longest portion in described trapezoidal in 35%～65% scope for good.
Correspondingly, in the trapezoidal width of described slot root, the reduce in scale scope that the narrowest portion compares the wideest portion in 35%～65% scope for good.
Compared with prior art; advantage of the present utility model is: become to be tapered by the tip designs with broach; cooperate slot equally progressively to dwindle in the size of root; so; after the broach of two pectens plugs together mutually; promptly; among the slot of broach inserting on pecten in another pecten; terminal and the square slot root of square broach compared to existing technology; under the spacing condition between broach end that is equal to and the slot root; gap between the slot edge of the broach of a pecten and another pecten on the other side just dwindles many; when this made vehicle through the broach cross section of two pectens, the area that is subjected to the carrying of pecten and broach in the wheel just became big, thereby can effectively reduce z z z the noise of uttering long and high-pitched sounds; actual use is more comfortable, very environmental protection.
Description of drawings
Fig. 1 is applied to the structural representation of bridge expanssion joint for the utility model embodiment.
Fig. 2 is the structural representation of movable pecten among Fig. 1.
Fig. 3 is the fixing structural representation of pecten among Fig. 1.
Fig. 4 local enlarged diagram that to be the broach of movable pecten among Fig. 1 cooperate with the fixing broach of pecten.
Fig. 5 is the local enlarged diagram that the broach of two pectens in the prior art cooperates.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As Fig. 1～shown in Figure 4, be an embodiment who is applied to bridge expansion joint installation of the present utility model, in the present embodiment, bridge expansion joint installation comprises the first beam body 1 that is positioned at the bridge expanssion joint both sides and the second beam body 2, two pectens, and two pectens are fixedly pecten 4 of a movable pecten 3 and;
Wherein, described movable pecten 3 comprises the broach 32 that a body 31 and a plurality of roots and body are 31 that link to each other, evenly be intervally arranged, just form a slot 33 between two adjacent broach 32, the size shape of broach 32 is all identical, and the size shape of slot 33 is also all identical;
Described fixedly pecten 4 comprises the broach 42 that a body 41 and a plurality of roots and body are 41 that link to each other, evenly be intervally arranged equally, just form a slot 43 between two adjacent broach 42, fixedly broach 32, the slot 33 with movable pecten 3 is identical respectively for the size shape of the broach 42 of pecten 4, slot 43;
With movable pecten 3 is example, and the concrete structure of broach and slot is described:
The end of every broach 32 is tapered towards the outside in the movable pecten 3, slot 33 is broadened from inside to outside gradually, the end of broach 32 has overlooks trapezoidal the 32a that is trapezoidal, trapezoidal 32a surface of each broach 32 end has a downward-sloping inclined plane 32b, this inclined plane 32b only covers the terminal part of trapezoidal 32a, do not cover whole trapezoidal 32a surface, wherein, to compare the reduce in scale of the longest 32a2 of portion (shown in the dotted line among Fig. 4) be 55% to the shortest 32a1 of portion among trapezoidal 32a, and, broach 32 in the position of contiguous root towards the chap gradually of body direction, make slot 33 from narrowing down gradually outside to inside, each broach 32 integral body is end and progressively diminishes, the middle part is straight, the shape that root progressively broadens;
And the root 33a of slot 33 overlooks and also is trapezoidal in the movable pecten 3, its size adapts with trapezoidal 32a of broach 32 ends, wherein, in the trapezoidal width of slot 33 root 33a, the reduce in scale that the narrowest 33a1 compares the wideest 33a2 (shown in the dotted line among Fig. 4) is 55%, and slot 33 integral body are the shape that the end progressively broadens, the middle part is straight, root 33a progressively narrows down.
So, described fixedly pecten 4 is arranged on the second beam body 2, described movable pecten 3 is arranged on the first beam body 1, and across crossing bridge expanssion joint, its broach 32 ends are positioned on the second beam body 2, and with the second beam body 2 on the fixedly broach 42 transpostion interval settings of pecten 4, promptly, the broach inserting of a pecten is among the slot of another pecten on the other side, when bridge expanssion joint changed, its stretching motion was finished by the relatively moving in the slot 43 of fixing pecten 4 of the broach 32 in the movable pecten 3.
Claims (6)
1. pecten that is used for bridge expansion joint installation, comprise a body and a plurality of broach that evenly is intervally arranged, wherein, the root of each broach links to each other with body, is formed with slot between two adjacent broach, and it is characterized in that: the end of described broach is tapered towards the outside, slot is broadened from inside to outside gradually, and described broach towards the chap gradually of body direction, makes slot from narrowing down gradually outside to inside in the position that is close to root.
2. the pecten that is used for bridge expansion joint installation according to claim 1 is characterized in that: described slot adapts in the size at root place and the size of broach end.
3. the pecten that is used for bridge expansion joint installation according to claim 1 is characterized in that: the end of described broach has the trapezoidal portion that is trapezoidal of overlooking, and the root of described slot is overlooked and also is trapezoidal.
4. the pecten that is used for bridge expansion joint installation according to claim 3 is characterized in that: trapezoidal surface of each broach end has a downward-sloping inclined plane.
5. according to claim 1 or 2 or the 3 or 4 described pectens that are used for bridge expansion joint installation, it is characterized in that: the shortest portion compares the reduce in scale scope of the longest portion in 35%～65% scope in terminal trapezoidal of the described broach.
6. according to claim 1 or 2 or the 3 or 4 described pectens that are used for bridge expansion joint installation, it is characterized in that: in the trapezoidal width of described slot root, the narrowest portion compares the reduce in scale scope of the wideest portion in 35%～65% scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202012370U CN201560384U (en) | 2009-11-20 | 2009-11-20 | Comb plate for bridge expansion joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202012370U CN201560384U (en) | 2009-11-20 | 2009-11-20 | Comb plate for bridge expansion joint device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201560384U true CN201560384U (en) | 2010-08-25 |
Family
ID=42625530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202012370U Expired - Lifetime CN201560384U (en) | 2009-11-20 | 2009-11-20 | Comb plate for bridge expansion joint device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201560384U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419655A (en) * | 2017-09-15 | 2017-12-01 | 成都市新筑路桥机械股份有限公司 | A kind of straddle-seat type single traffic rail beam girder falling retractor device |
| CN114922061A (en) * | 2022-06-29 | 2022-08-19 | 四川双建路桥机械有限责任公司 | Anti-loosening telescopic device and construction method |
-
2009
- 2009-11-20 CN CN2009202012370U patent/CN201560384U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419655A (en) * | 2017-09-15 | 2017-12-01 | 成都市新筑路桥机械股份有限公司 | A kind of straddle-seat type single traffic rail beam girder falling retractor device |
| CN107419655B (en) * | 2017-09-15 | 2023-09-19 | 成都市新筑路桥机械股份有限公司 | Bridge-falling-preventing telescopic device for straddle type monorail traffic track beam |
| CN114922061A (en) * | 2022-06-29 | 2022-08-19 | 四川双建路桥机械有限责任公司 | Anti-loosening telescopic device and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 315000 Ningbo high tech Industrial Group Co., Ltd., 96 Hibiscus Road, Ningbo High-tech Zone, Zhejiang Patentee after: Xu Bin Address before: 315800 Ningbo road Bao Technology Industrial Group Co., Ltd. 205 Mount Huangshan West Road, Beilun District, Ningbo, Zhejiang Patentee before: Xu Bin |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100825 |