CN105780645B - A kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint - Google Patents
A kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint Download PDFInfo
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- CN105780645B CN105780645B CN201610307837.XA CN201610307837A CN105780645B CN 105780645 B CN105780645 B CN 105780645B CN 201610307837 A CN201610307837 A CN 201610307837A CN 105780645 B CN105780645 B CN 105780645B
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- 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
- E01D19/065—Joints having sliding plates
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Abstract
The present invention discloses a kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint, including：Left and right sides is in mirror to the support of a pair of cantilever fishbacks, fishback and the liner plate arranged；There is the liner plate in comb teeth-shaped of mutual sliding contact between fishback bottom and cantilever fishback support top；Opposite interactive areas between left and right sides cantilever fishback support front end cantilever form bridge region；The strip fishback of rectangular cross-section includes comb, is flexible coupling and the planker with the universal connection that is flexible coupling.Cantilever fishback support upper front end has the compression spring for being in close contact between jack-up liner plate.The present invention fills up depressed area between fishback using planker；Monomer structure is supported using building block system cantilever fishback, the vibrations to driving a vehicle are alleviated, retractor device service life and dust-proof effect is improve, both can be assembled one by one at the scene, it is also possible in the factory after pre-assembly and positioning, then transport to live integral installation.
Description
Technical field
The present invention relates to a kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint, specially a kind of band is closely
Waterproof and dustproof, the shockproof multi-directional deflection comb plate bridge expansion device of contact stainless steel supporting plate and extension tooth bar.Category bridge work
Journey technical field of buildings.
Background technology
Bridge extension joint is the important connection member between highway, railroad bridge end, it is flexible to bridge end and
The performance such as waterproof and dustproof, shockproof plays an important role, and its quality and performance will directly affect the durability of bed rearrangement bridge, be
Pith in public, railroad bridge construction.It is another directly to bear because bridge extension joint is arranged on beam-ends bridge floor vulnerable area
Various natural environment etch influences, the relative twisting of cold and hot flexible, oscillation in the pitch mode tilting, lateral oscillation is will appear from during use
Deng multi-directional deflection (that is, three direction displacement, flexible and rotate) the problems such as, particularly super-span away from bridge, since it is desired that sufficient length
The retractor device of (>=500mm), therefore often there is various degrees of damage in the retractor device, and be not easily repaired, so that shadow
The overall endurance quality of bridge is rung, the uptime of bridge is shortened.
In the prior art, for Large Span Bridges comb teeth-shaped retractor device is as shown in figure 1, two sections of left and right comb divides in figure
An Zhuan not be as seen from Figure 1, recessed between the comb of left and right two ends when winter, amount of contraction was larger on the bridge of left and right end
Sunken area (A and B) is then long, and the negative consequence that this phenomenon is brought is：Unbalance stress when wheels travel is at this, to tire
There is an infringement, and noise is big, vibratory sensation is strong.Particularly narrower motor or three-wheel wheel, easily sinks at this, causes serious traffic
Accident.On the other hand, in the prior art, for dustproof and waterproof, also have using stainless steel lining plate structure positioned at comb lower edge, but
As use time is gradually prolonged, the liner plate will because of unbalance stress warpage, and gradually with fishback lower edge contact bad, have influence on
Dustproof and waterproof effect.
The content of the invention
The purpose of the present invention is directed to background technology described problem, designs a kind of seamless type Long span multi-directional deflection comb plate, comb joint
Bridge extension joint, specially a kind of waterproof and dustproof, the multidirectional change of shockproof with stainless steel supporting plate and extension tooth bar is in close contact
Position comb plate bridge expansion device.
The technical scheme is that：A kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint, including：It is left
Right side supports (1.1,1.2), left and right sides fishback (2.1,2.2) and liner plate (3.1,3.2) in mirror to the cantilever fishback of arrangement；
It is mutual between the top of left and right sides fishback (the 2.1,2.2) bottom and left and right sides cantilever fishback support (1.1,1.2)
The left and right side plate (3.1,3.2) in comb teeth-shaped of sliding contact；The front end cantilever in left side cantilever fishback support (1.1) and the right side
The flexible bridge region between two sections of bridges of left and right sides is formed between the front end cantilever of side cantilever fishback support (1.2)；The left side
Or right side fishback, in the strip of rectangular cross-section, left side fishback (2.1) is identical with right side fishback (2.2) structure, chi
It is very little equal；It is characterized in that：
The left side or right side fishback (2.1 or 2.2) include：Comb (2.11), be flexible coupling (2.12) and planker
(2.13) three sections, the comb (2.11) and planker (2.13) by be flexible coupling (2.12) be connected as a fishback；The comb
Bolt hole (2.14) is provided with tooth (2.11), there is bolt to be connected in cantilever fishback after passing through the bolt hole (2.14) and liner plate
The front end cantilever top of support；Planker (2.13) width is equal with comb (2.11) width, planker (2.13) is highly less than
Comb (2.11) height；It is described be flexible coupling (2.12) bridge joint between comb (2.11) and planker (2.13)；
The support top of bridge region, vertically installs between left and right sides cantilever fishback support (1.1,1.2)
There is compression spring (5), the compression spring (5) for compressing the left and right side plate (3.1,3.2) for mutually sliding upwards.Its is beneficial
Effect is：The elastic force of liner plate to its upper is aligned by compression spring (5), is conducive to mutually closely being tied between the side plate of left and right
Close, can effectively prevent small garbage from penetrating into, using the dust-proof tightness of the strength control of compression spring, the height of compression spring
Control the amplitude of multi-directional deflection.
A kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint as described above, it is characterised in that：It is described soft
Connection (2.12) includes：Internal spring or joint coupling, the rubber bodies of outer enclosure or the soft base high-abrasive material of nonrubber class,
The two ends of the spring are connected with comb (2.11) and planker (2.13) respectively；The spring outer enclosure has and both ends of the spring point
Do not connect, and rubber bodies equal with comb (2.11) and planker (2.13) section or the soft base high-abrasive material of nonrubber class.
A kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint as described above, it is characterised in that：It is described to drag
, there is a hanging left and right side cover plate (1.3,1.4) on the top of plate (2.13), the left and right side cover plate (1.3,1.4) respectively with institute
State left and right side fishback (2.1,2.2) clamping, the upper surface of left and right side cover plate (1.3,1.4) and left and right side fishback (2.1,
2.2) upper surface is same plane；Planker (2.13) in the left side fishback (2.1) positioned at right side cover plate (1.4) with it is adjacent
In the drawer formed between comb and bottom liner plate.Its advantage is：Planker in drawer-type structure has been filled up between comb
The depressed area occurred after being mutually shifted, can both prevent bulky grain rubbish from accumulating and fall within the depressed area, and non-motor vehicle tire can be prevented again
Depressed area is snapped in, is conducive to improving retractor device service life, the traffic safety for being more beneficial for non-motor vehicle is comfortable, is conducive to carrying
Effective transit time of bridge high.
A kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint as described above, it is characterised in that：A single left side
Side or right side cantilever fishback support (1.1 or 1.2) are building block system shaped steel tooling member, the bottom of any cantilever fishback support
The end bridge region of bridge is connected in by least two row's lateral supports seat.Its advantage is：Can be required according to bridge width,
Into integer assembly building block system cantilever fishback support monomer, assembly is unified simultaneously when multiple cantilever fishbacks are supported on job site
After reaching size requirement, then it is connected and carries out subsequent construction.
A kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint as described above, it is characterised in that：The left side
The snap fit of side cover plate or right side cover plate (1.3 or 1.4) respectively with left side fishback or right side fishback (2.1 or 2.2) is：
The both sides on left and right side fishback top are provided with the line of rabbet joint, and the two sides of left and right side cover plate are respectively machined with one with the line of rabbet joint size
The rib of matching, the rib is connected in the line of rabbet joint.Be conducive to cover plate weight capacity strong and have in beneficial to dismounting fishback
Repaired.
A kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint as described above, it is characterised in that：The left side
Side cover plate or right side cover plate (1.3 or 1.4) respectively with the snap fit of left side fishback or right side fishback (2.1 or 2.2) or
Person is：The both sides on left and right side fishback top are provided with the line of rabbet joint, and the line of rabbet joint top is also provided with the vertical straight groove of straight-through upper surface
Mouthful, the two sides of left and right side cover plate are respectively machined with the segmented rib matched with the line of rabbet joint size, in work progress, institute
Incoherent each section of rib is stated, is connected to accordingly in the line of rabbet joint.Having its beneficial effect is：It is more beneficial in running
Dismounting and maintenance to cover plate and fishback.
The beneficial effects of the invention are as follows：
(1) a kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint is invented, depression is filled up using planker is flexible
Area, can both prevent bulky grain rubbish from accumulating and fall within the depressed area, can prevent non-motor vehicle tire from snapping in depressed area again, be conducive to improving
Retractor device service life, the traffic safety for being more beneficial for non-motor vehicle is comfortable, is conducive to improving effective transit time of bridge.
(2) fishback and supporter are all steel members, are connected by screw bolts, solid and reliable, be particularly conducive to maintenance with more
Change.
(3) dust-proof liner plate is mutually compressed using compression spring, the elastic force for aligning liner plate to its upper by compression spring is made
With, be conducive to mutually being combined closely between the side plate of left and right, can effectively prevent small garbage from penetrating into, using the strong of compression spring
The dust-proof tightness of degree control, the height of compression spring control the amplitude of multi-directional deflection, both improve dust-proof effect, improve again
Liner plate service life.
(4) using building block system cantilever fishback support monomer, both can be assembled one by one at the scene, it is also possible in factory in advance
After assembling and positioning, then transport to live integral installation, all remove frock tool again after solidification, it can be ensured that bridge extension joint
Installation process is convenient, time saving, accurate.
Brief description of the drawings
Fig. 1 is the comb teeth-shaped retractor device schematic diagram of existing highway bridge；
Fig. 2 is a kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint general assembly axle side of the embodiment of the present invention
Figure；
Fig. 3 is Fig. 2 top views；
Fig. 4 is Fig. 3 left views；
Fig. 5 is Fig. 1 left sides explosive view；
Fig. 6 is enlarged diagram at A in Fig. 6；
Fig. 7 is enlarged diagram at B in Fig. 6；
Fig. 8 is the first method of fishback and cover plate clamping；
Fig. 9 is the another way of fishback and cover plate clamping.
Marked in figure：
In Fig. 2~7：The cantilever fishback support of 1.1-left side, the cantilever fishback support of 1.2-right side, 1.3-left cap
Plate, 1.4-right side cover plate, 2.11-comb, 2.12-be flexible coupling, 2.13-planker, 2.14-bolt hole, 3.1-left side lining
Plate, 3.2-right side liner plate, 5-compression spring.
Specific embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention is further illustrated, and the example of the embodiment is shown in the drawings,
Wherein same or similar label represents same or similar element or the element with same or like function from start to finish.Under
Face is exemplary by reference to the embodiment of Description of Drawings, it is intended to for explaining the present invention, and it is not intended that to the present invention
Limitation, all any modification, equivalent or improvement made within the spirit and principles in the present invention etc. should be included in this
Within the right of invention, do not addressed in detail in the technical program, be known technology.
It is a kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint of the invention as shown in Fig. 2~7, including：
Left and right sides supports 1.1 and 1.2, fishback 2.1 and 2.2 and liner plate 3.1 and 3.2 in mirror to the cantilever fishback of arrangement；The left side
Between the bottom of right side fishback 2.1 and 2.2 and left and right sides cantilever fishback support 1.1 and 1.2 top, there is mutual sliding contact
The left and right side plate 3.1 and 3.2 in comb teeth-shaped；Left side cantilever fishback supports 1.1 front end cantilever and right side cantilever comb
Interacted in opposite directions between the front end cantilever of plate support 1.2, form the flexible bridge region between two sections of bridges.In accompanying drawing 5, positioned at bottom
The left side band double eyelet part of cantilever fishback support 1.1, is imbedded in inside the concrete casting area of bridge end, positioned at the right side
Side inverted triangle part is the interactive bridge region of cantilever.Referring concurrently to Fig. 2 and Fig. 3, the left and right two of the interactive bridge region is installed on
The fishback 2.1 and 2.2 of side, and the left and right sides cover plate 1.3 and 1.4 contour with fishback upper surface, are and roll wheel
The supporting region of contact, extends to the depression that the left and right sides planker of left and right sides cover plate bottom is used to fill up between left and right sides fishback
Area, depressed area is filled up using planker is flexible, can both have been prevented bulky grain rubbish from accumulating and fallen within the depressed area, hinder between comb it is multidirectional from
By moving, and the vibrations caused to driving are alleviated to greatest extent, be conducive to improving retractor device service life, be conducive to driving
Safety and comfort, are conducive to improving effective transit time of bridge.
To further illustrate, referring to accompanying drawing 5 and Fig. 7, left side or right side fishback 2.1 or 2.2 are square strip, left side
Or right side fishback structure is identical, equal sized and opposite installation, the comb teeth-shaped that non-contact type can be moved towards is constituted, with left side
As a example by fishback 2.1, it includes：Comb 2.11, be flexible coupling 2.12 and 2.13 3 sections of planker, is wherein provided with bolt on comb 2.11
Hole 2.14, left side cantilever fishback is connected in after vertically passing through the bolt hole 2.14 and left side liner plate 3.1 to the bolt installed
The cantilever top of support 1.1；The width of the planker 2.13 is equal with the width of comb 2.11, be highly less than the height of comb 2.11；Institute
State and be flexible coupling 2.12 bridge joints between comb 2.11 and planker 2.13；From Fig. 3 and Fig. 5, when left and right sides bridge extension joint
When summer, relative distance was nearest, planker 2.13 is hidden under cover plate 1.4, conversely, when left and right sides bridge extension joint is in the winter
When its relative distance is most long, only some planker 2.13 is hidden under cover plate 1.4.
Referring to Fig. 5, Fig. 6, between left and right sides cantilever fishback support 1.1 and 1.2 in the supporting plate of bridge region, pressure is installed
Power spring 5, the compression spring 5 is used to compress the sliding area between the left and right side plate 3.1 and 3.2 for mutually sliding upwards,
The elastic force for aligning liner plate to its upper by compression spring is acted on, and is conducive to mutually being combined closely between the side plate of left and right, can be with
Effectively prevent small garbage from penetrating into, the height control using the dust-proof tightness of the strength control of compression spring, compression spring is more
To the amplitude of displacement, dust-proof effect is both improve, liner plate service life is improve again.
Referring to Fig. 7, in the embodiment of the present invention, it is described be flexible coupling 2.12 include spring and rubber bodies (not marked in figure), institute
The two ends for stating spring are connected with comb 2.11 and planker 2.13 respectively；The spring outer enclosure has and is connected respectively with both ends of the spring
Comb 2.11 and planker 2.13 the equal rubber bodies in section., there is hanging left and right sides cover plate on the top of the planker 2.13
1.3 and 1.4, the left and right sides cover plate 1.3 and 1.4 respectively with the clamping of the left and right sides fishback 2.1 and 2.2.
With reference to Fig. 8, cover plate 1.3 or 1.4 is with the snap fit of fishback 2.1 or 2.2：Fishback top both sides are provided with groove
Respectively there is a rib matched with the line of rabbet joint size seam, cover plate both sides, and in work progress, the rib is connected to the groove
In seam.Be conducive to cover plate weight capacity strong and have to be repaired in beneficial to dismounting fishback.
With reference to Fig. 9, the snap fit of cover plate 1.3 or 1.4 and fishback 2.1 or 2.2 or：Open fishback top both sides
There is the line of rabbet joint, the line of rabbet joint top is also uniformly provided with the vertical to multiple notches of straight-through upper surface, set in the embodiment of the present invention
A notch of 100mm long is opened in per the 200mm lines of rabbet joint long, the cover plate both sides are incoherent with what the line of rabbet joint size matched
Rib (that is multistage rib with multiple breach), set in the embodiment of the present invention has one section per in 200mm ribs long
The breach of 110mm long, in work progress, when installing cover plate, first alignment rib transfers in place cover plate with notch, then level longitudinal direction
Propulsion cover plate, in each section of line of rabbet joint that each section of rib on cover plate is clamped on fishback respectively, dismounting cover plate processing operations
Order is opposite.This kind of interface arrangment is more beneficial in running dismounting and maintenance to cover plate and fishback.
It should be noted that the encapsulating material, or nonrubber being flexible coupling in 2.12 outside spring of the present invention
The wear-resisting encapsulating material of the soft base of class.The spring being flexible coupling in 2.12, or two ends are respectively fixedly connected with comb 2.11 and drag
Joint coupling between plate 2.13 or be other materials similar to spring, be flexible coupling 2.12 played a part of be：Both
Can be connected planker 2.13, allow planker 2.13 to have multidirectional bounce by a small margin relative to comb 2.11 again.
From Fig. 2, Fig. 5, single left side or right side cantilever fishback support 1.1 or 1.2 to process structure for building block system shaped steel
Part, the bottom of any cantilever fishback support is connected in the end bridge region of bridge by least two row's lateral supports seat.So
One, implementer can require according to bridge width, into integer assembly building block system cantilever fishback support monomer, when multiple cantilevers
Fishback support is unified assembled at the construction field (site) and after reaching size requirement, then is connected and carries out subsequent construction.Can also be in work
Pre-assembly and after positioning in factory, then transport to live integral installation, frock tool is all removed again after solidification, it can be ensured that bridge
Retractor device installation process is convenient, time saving, accurate.
A kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint of the present invention, depression is filled up using planker is flexible
Area, alleviates the vibrations that driving is caused to greatest extent, is conducive to improving retractor device service life, is conducive to traffic safety to relax
It is suitable；Fishback and supporter are all steel members, are connected by screw bolts, solid and reliable, are particularly conducive to maintenance and change；Using pressure
Power spring, is conducive to being in close contact between dust-proof liner plate, both improves dust-proof effect, and liner plate service life is improve again；Using
Building block system cantilever fishback supports monomer, both can be assembled one by one at the scene, it is also possible in the factory after pre-assembly and positioning, then
Transport to live integral installation.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, must rather than the device or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " is meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation ",
Terms such as " connected " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be with
It is to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of individual element internal or two interaction relationships of element, unless otherwise clearly restriction.It is common for this area
For technical staff, above-mentioned term concrete meaning in the present invention can be as the case may be understood.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
Claims (6)
1. a kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint, including：Left and right sides is in mirror to the cantilever arranged
Fishback is supported（1.1、1.2）, left and right sides fishback（2.1、2.2）And liner plate（3.1、3.2）；The left and right sides fishback
（2.1、2.2）Bottom supports with left and right sides cantilever fishback（1.1、1.2）Top between, be mutual sliding contact in comb
The left and right side plate of shape（3.1、3.2）；Left side cantilever fishback support（1.1）Front end cantilever and the support of right side cantilever fishback
（1.2）Front end cantilever between formed two sections of bridges of left and right sides between flexible bridge region；The left side or right side fishback are in cut
Face is the strip of rectangle, left side fishback（2.1）With right side fishback（2.2）Structure is identical, equal sized；Its feature exists
In：
The left side or right side fishback（2.1 or 2.2）Including:Comb（2.11）, be flexible coupling（2.12）And planker（2.13）Three
Section, the comb（2.11）And planker（2.13）By being flexible coupling（2.12）It is connected as a fishback；The comb（2.11）
On be provided with bolt hole（2.14）, there is bolt to pass through the bolt hole（2.14）And before the support of cantilever fishback is connected in after liner plate
End cantilever top；The planker（2.13）Width and comb（2.11）Width is equal, planker（2.13）Highly it is less than comb
（2.11）Highly；It is described to be flexible coupling（2.12）Bridge joint is in comb（2.11）With planker（2.13）Between；
The left and right sides cantilever fishback support（1.1、1.2）Between bridge region support top, pressure is vertically installed
Power spring（5）, the compression spring（5）For compressing the left and right side plate for mutually sliding upwards（3.1、3.2）.
2. as claimed in claim 1 a kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint, it is characterised in that：Institute
State and be flexible coupling（2.12）Including：Internal spring or joint coupling, the rubber bodies of outer enclosure or the soft base of nonrubber class is wear-resisting
Material, the two ends of the spring respectively with comb（2.11）And planker（2.13）It is connected；The spring outer enclosure has and spring
Two ends connect respectively, and and comb（2.11）And planker（2.13）The equal rubber bodies in section or the wear-resisting material of the soft base of nonrubber class
Material.
3. as claimed in claim 1 a kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint, it is characterised in that：Institute
State planker（2.13）Top, have hanging left and right side cover plate（1.3、1.4）, the left and right side cover plate（1.3、1.4）Respectively
With the left and right side fishback（2.1、2.2）Clamping, left and right side cover plate（1.3、1.4）Upper surface and left and right side fishback
（2.1、2.2）Upper surface is same plane；The left side fishback（2.1）In planker（2.13）Positioned at right side cover plate（1.4）
In the drawer formed between adjacent fingers and bottom liner plate.
4. as claimed in claim 1 a kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint, it is characterised in that：It is single
Individual left side or right side cantilever fishback support（1.1 or 1.2）It is building block system shaped steel tooling member, any cantilever fishback support
Bottom is connected in the end bridge region of bridge by least two row's lateral supports seat.
5. as claimed in claim 3 a kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint, it is characterised in that：Institute
State left side cover plate or right side cover plate（1.3 or 1.4）Respectively with left side fishback or right side fishback（2.1 or 2.2）Clamping side
Formula is：The both sides on left and right side fishback top are provided with the line of rabbet joint, and the two sides of left and right side cover plate are respectively machined with one with the groove
The rib that seam size matches, the rib is connected in the line of rabbet joint.
6. as claimed in claim 3 a kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint, it is characterised in that：Institute
State left side cover plate or right side cover plate（1.3 or 1.4）Respectively with left side fishback or right side fishback（2.1 or 2.2）Clamping side
Formula or：The both sides on left and right side fishback top are provided with the line of rabbet joint, and the line of rabbet joint top also intermittent is provided with straight-through upper surface
Vertically to notch, the two sides of left and right side cover plate are respectively machined with the segmented rib matched with the line of rabbet joint size, Mei Yiduan
Rib is connected in the line of rabbet joint accordingly.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610307837.XA CN105780645B (en) | 2016-05-11 | 2016-05-11 | A kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610307837.XA CN105780645B (en) | 2016-05-11 | 2016-05-11 | A kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint |
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| Publication Number | Publication Date |
|---|---|
| CN105780645A CN105780645A (en) | 2016-07-20 |
| CN105780645B true CN105780645B (en) | 2017-06-16 |
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| CN201610307837.XA Active CN105780645B (en) | 2016-05-11 | 2016-05-11 | A kind of seamless type Long span multi-directional deflection comb plate, comb joint bridge extension joint |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111705639A (en) * | 2020-06-03 | 2020-09-25 | 上海市城市建设设计研究总院（集团）有限公司 | Large-displacement comb tooth expansion device with cover plate for walking of pedestrians and non-motor vehicles |
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