CN206859043U - One kind subtracts the special retractor device of Isolated Bridges - Google Patents
One kind subtracts the special retractor device of Isolated Bridges Download PDFInfo
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- CN206859043U CN206859043U CN201720293720.0U CN201720293720U CN206859043U CN 206859043 U CN206859043 U CN 206859043U CN 201720293720 U CN201720293720 U CN 201720293720U CN 206859043 U CN206859043 U CN 206859043U
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Abstract
One kind subtracts the special retractor device of Isolated Bridges, joist steel in N roots including side bar steel and between the joist steel of both sides, V-seal rubber strip is connected between middle joist steel and middle joist steel or between middle joist steel and side bar steel, side bar steel is fixed on by casting concrete and anchor rib in the bridge beam body of expansion joint both sides；The retractor device also includes the support limit control system that M groups are uniformly arranged on expansion joint both sides, and the support limit Control system architecture is identical, including is arranged in order the supporting mechanism of installation, Bit andits control mechanism and position-limit mechanism；Supporting mechanism provides wide-angle displacement, the uniformity of Bit andits control mechanism controls retractor device displacement for retractor device, and position-limit mechanism causes accident when preventing flexible excessive.The apparatus structure is reasonable, and vehicle can both smoothly passed and car load is delivered into beam body by supporting mechanism；And can enough realizes super large lateral displacement, vertical displacement, vertical corner and level angle, meets the deformation needs under bridge geological process.
Description
Technical field
It the utility model is related to a kind of bridging apparatus, particularly one kind and subtract the special retractor device of Isolated Bridges.
Background technology
Retractor device is installed on bridge floor, is one of the important connecting elements in bridge structure, it is ensured that traffic safety and relax
Adaptive, common bridge extension joint cause the flexible and vehicle of beam body to carry according only to shrinkage and creep, the temperature change of bridge
Lotus is designed the stroke of retractor device, lateral displacement, vertical displacement, vertical corner, level to impact shock of bridge etc.
Corner；Earthquake resistant code is revised according to Ministry of Communications after Wenchuan earthquake, for high-intensity earthquake region, in order to reduce earthquake to bridge
Structural damage need to be Aseismic Design and seismic isolation design using two kinds of measures to protect peace of the bridge structure when earthquake occurs
Entirely；When bridge uses seismic isolation design, subtract shock insulation product generally by the big displacement detrusion of horizontal direction and hysteretic energy
That realizes structure subtracts shock insulation function, if the retractor device supporting with it is chosen improper, will occur the collision of beam and beam, beam with
The collision of platform, seismic isolation design is caused the damage of retractor device or even bridge structure from playing good effect, in break off a friendship
It is logical to influence earthquake relief work work.
Utility model content
The technical problems to be solved in the utility model is：One kind is provided and subtracts the special retractor device of Isolated Bridges, to meet bridge
Girder construction meets the requirement of new revision earthquake resistant code, it is ensured that safety.
Solve above-mentioned technical problem technical scheme be：One kind subtracts the special retractor device of Isolated Bridges, including installed in stretching
Joist steel in the side bar steel of the contracting seam left and right sides and the N roots between the joist steel of both sides, middle joist steel is with side bar steel or middle joist steel with
V-seal rubber strip is connected between joist steel, the side bar steel is fixed on expansion joint both sides by casting concrete and anchor rib
In bridge beam body；The retractor device also includes the support limit control system that M groups are uniformly arranged on expansion joint both sides, the support
Limit control system structure is identical, including is arranged in order 1 group of supporting mechanism, N group Bit andits control mechanisms and the 1 group of position restrainer of installation
Structure；
The supporting mechanism includes displacement case, compressing support I, bearing I and support beam, the support beam both ends
It is supported on respectively on the bearing I in the displacement case of expansion joint both sides, compressing support I is arranged on support beam and displacement
Between box top, the middle joist steel is supported in the middle part of support beam by intermediate support component；
The position-limit mechanism includes guard box II and limit rope, and the limit rope both ends are connected by screw adjacent respectively
Side bar steel and middle joist steel bottom, or it is connected to joist steel bottom in adjacent two；
The Bit andits control mechanism includes connection component and is connected to the shear spring at connection component both ends, the connection group
Middle joist steel bottom surface is connected to by connector I in the middle part of part, the shear spring at its both ends or respectively by positioned at expansion joint both sides
Guard box I in connector II be connected with the side bar steel bottom of both sides；
Or one end is connected by the side bar steel bottom of the connector II in the guard box I of expansion joint side and the side
Connect, the shear spring of the other end passes through the connector III positioned at the middle joist steel bottom surface adjacent with connecting joist steel among the connection component
The middle joist steel bottom surface connection adjacent with this；
Or the shear spring at both ends is respectively by positioned at the middle joist steel connected among the connection component at left and right sides of joist steel
The connector III of bottom surface is connected with the middle joist steel at left and right sides of this；
The displacement case, guard box I and guard box II are respectively provided in the concrete of both sides joist steel bottom；
Above-mentioned M value is the arbitrary integer between 5~50, and N value is the arbitrary integer between 1~30.
Its further technical scheme is：Described one kind, which subtracts the special retractor device of Isolated Bridges, to be included being arranged on an expansion joint left side
The side bar steel of right both sides and 1 middle joist steel between the joist steel of both sides, the support limit control system include being arranged in order
1 group of supporting mechanism, 1 group of Bit andits control mechanism and the 1 group of position-limit mechanism of installation；
Middle joist steel bottom surface, connection component two are connected to by connector I in the middle part of the connection component of the Bit andits control mechanism
The shear spring at end, connected respectively by the side bar steel bottom of the connector II in the guard box I of expansion joint both sides and both sides
Connect.
Separately further technical scheme is for it：Described one kind, which subtracts the special retractor device of Isolated Bridges, to be included being arranged on expansion joint
The side bar steel of the left and right sides and 2 middle joist steels between the joist steel of both sides, the support limit control system include arranging successively
Arrange 1 group of supporting mechanism, 2 groups of Bit andits control mechanisms and the 1 group of position-limit mechanism of installation；
First middle joist steel bottom surface is connected to by connector I in the middle part of the connection component of first group of Bit andits control mechanism, even
The shear spring of connected components one end passes through the connector II in the guard box I of expansion joint side and the side bar steel bottom of the side
Connection, the shear spring of the other end are connected by the connector III positioned at second middle soffit with second middle joist steel bottom surface；
Second middle joist steel bottom surface is connected to by connector I in the middle part of the connection component of second group of Bit andits control mechanism, even
The shear spring of connected components one end is connected by the connector III positioned at first middle joist steel bottom surface with first middle joist steel bottom surface,
The shear spring of the other end is connected by the side bar steel bottom of the connector II in the guard box I of expansion joint opposite side and the side
Connect.
Separately further technical scheme is for it：Described one kind, which subtracts the special retractor device of Isolated Bridges, to be included being arranged on expansion joint
The side bar steel of the left and right sides and 3 middle joist steels between the joist steel of both sides, the support limit control system include arranging successively
Arrange 1 group of supporting mechanism, 3 groups of Bit andits control mechanisms and the 1 group of position-limit mechanism of installation；
First middle joist steel bottom surface is connected to by connector I in the middle part of the connection component of first group of Bit andits control mechanism, even
The shear spring 53 of connected components one end passes through the connector II in the guard box I of expansion joint side and the side bar steel bottom of the side
Portion is connected, and the shear spring of the other end is connected by connector III with second middle joist steel bottom surface；
Second middle joist steel bottom surface is connected to by connector I in the middle part of the connection component of second group of Bit andits control mechanism, even
The shear spring of connected components one end is connected by the connector III positioned at first middle joist steel bottom surface with first middle joist steel bottom surface,
The shear spring of the other end is connected by the connector III positioned at the 3rd middle joist steel bottom surface with the 3rd middle joist steel bottom surface；
The 3rd middle joist steel bottom surface is connected to by connector I in the middle part of the connection component of 3rd group of Bit andits control mechanism, even
The shear spring of connected components one end passes through the connector connector III positioned at second middle joist steel bottom surface and second middle joist steel bottom
Face connects, and the shear spring of the other end passes through the connector II in the guard box I of expansion joint opposite side and the side bar of the side
Steel bottom connects.
Technical scheme further is：
The intermediate support component includes connection supporting plate and connection steel column, and the connection steel column is arranged in support beam axial direction
Both sides, its upper end are fixedly connected with middle joist steel bottom surface, and its lower end is connected by bolt and the connection supporting plate positioned at support beam bottom
Connect, compressing support II is installed between support beam and middle joist steel bottom surface, bearing is installed between support beam and connection supporting plate
Ⅱ。
The bearing I of the supporting mechanism is concavo-convex spherical structure, hyperboloid structure or cylindrical structure, bearing
I bottom periphery is provided with positive stop.
The displacement case of the supporting mechanism is tubaeform casing or trapezoidal cabinet or rectangular box, the support beam or
For " work " word beam or main spar or rectangular beam.
Because using said structure, compared with prior art, one kind of the utility model subtracts the special flexible dress of Isolated Bridges
Put
Have the advantages that：
1. the utility model is rational in infrastructure, the side bar steel of retractor device, displacement case etc. pass through casting concrete and anchor rib
Expansion joint both sides bridge beam body is fixed on, middle joist steel is connected by intermediate support component with support beam, smoothly passes vehicle
Middle joist steel upper surface, and car load is delivered to beam body by supporting mechanism；Bearing is provided with intermediate supports component
II and compressing support II, middle joist steel is slided in support beam；Can meet greater level to the needs of displacement, support machine
The bearing I of structure is its structure or be concavo-convex spherical structure, hyperboloid structure or cylinder knot with revolute pair structural bearings
Structure, retractor device can be enable to realize lateral displacement, vertical displacement, vertical corner and the level angle of super large, with meeting bridge
Deformation under shake effect needs, the technology that needs are conjugated under bridge geological process so as to solve conventional retractor device not meet
Problem, when earthquake occurs：
（1）When beam body produces larger vertical displacement or vertical corner, become by the corner of bearing I of supporting mechanism
Position, makes retractor device have vertical displacement and the corner of super large, meets the vertical deflection needs under bridge earthquake；
（2）When beam body produce greater level to when displacement or corner, by the displacement of support beam, have retractor device
There is the horizontal to displacement and corner of super large, meet that the level under bridge earthquake to displacement needs, is avoided because earthquake damage stretches
Device and cause interruption of communication；
2. the displacement case of the retractor device support system is tubaeform casing, rectangular box or trapezoidal cabinet, it is possible to provide foot
Enough become bit space, do not interfered in retractor device multi-directional deflection, simultaneously because the bottom periphery of bearing I is provided with limiting block
Block, it can be fixed in displacement case again；
The Bit andits control mechanism being made up of connection component and shear spring is connected with 3. between joist steel and side bar steel, it is controllable
The uniformity of retractor device displacement processed；
4. position-limit mechanism is provided between joist steel and side bar steel, side bar steel and middle joist steel are connected by limit rope, can be prevented
When pulling open more than design displacement accident occurs for retractor device；Between middle joist steel and middle joist steel, and side bar steel and middle joist steel it
Between connect V-seal rubber strip, it can be ensured that reliable waterproof.
Below, it is special to a kind of technology for subtracting the special retractor device of Isolated Bridges of the utility model in conjunction with the accompanying drawings and embodiments
Sign is further described.
Brief description of the drawings
Fig. 1~Fig. 6 is that one kind of the utility model embodiment one subtracts the special retractor device structural representation of Isolated Bridges：
Fig. 1 is front view（Overlook effect）, Fig. 2 is Fig. 1 A-A sectional views, and Fig. 3 is Fig. 1 B-B sectional views, and Fig. 4 is figure
1 C-C sectional views, Fig. 5 are Fig. 1 D-D sectional views, and Fig. 6 is Fig. 2 E portions enlarged drawing；
Fig. 7~Figure 11 is that one kind of the utility model embodiment two subtracts the special retractor device structural representation of Isolated Bridges：
Fig. 7 is front view（Overlook effect）, Fig. 8 be Fig. 7 F-F sectional views, Fig. 9 be Fig. 7 G-G sectional views, Tu10Wei
Fig. 7 H-H sectional views, Figure 11 are Fig. 7 I-I sectional views；
Figure 12~Figure 17 is that one kind of the utility model embodiment three subtracts the special retractor device structural representation of Isolated Bridges：
Figure 12 is front view（Overlook effect）, Figure 13 is Figure 12 J-J sectional views, and Figure 14 is Figure 12 K-K sectional views, is schemed
15 be Figure 12 O-O sectional views, and Figure 16 is Figure 12 P-P sectional views, and Figure 17 is Figure 12 Q-Q sectional views；
In accompanying drawing, A-A sectional views, B-B sectional views, C-C sectional views, F-F sectional views, G-G sectional views, H-H sectional views, I-
I sectional views, J-J sectional views, K-K sectional views, O-O sectional views, P-P sectional views, Q-Q sectional views, it is 90 ° of rotate counterclockwise
Schematic diagram afterwards；
In figure：
1-side bar steel, 2-middle joist steel, 3-V-seal rubber strip, 4-supporting mechanism, 41-displacement case, 42-compress
Bearing I, 43-bearing I, 44-connection supporting plate, 45-support beam, 46-connection steel column, 47-compressing support II,
48-bearing II, 5-Bit andits control mechanism, 51-guard box I, 52-connection component, 53-shear spring, 54-connection
Part I, 55-connector II, 56-connector III, 6-position-limit mechanism, 61-guard box II, 62-screw, 63-limit rope,
7-anchor rib, 8-beam body, 81-concrete.
Embodiment
Embodiment one
One kind subtracts the special retractor device of Isolated Bridges, including side bar steel 1 at left and right sides of expansion joint and positioned at two
1 middle joist steel 2 between side bar steel（N=1）, V-seal rubber strip 3 is connected between side bar steel, the side bar steel is by pouring
Build concrete eight 1 and anchor rib 7 is fixed in the bridge beam body of expansion joint both sides；The retractor device is also uniformly arranged on including M groups
The support limit control system of expansion joint both sides, the support limit Control system architecture is identical, including is arranged in order the 1 of installation
Group 4,1 groups of Bit andits control mechanisms 5 of supporting mechanism and 1 group of position-limit mechanism 6；
The supporting mechanism 4 includes displacement case 41, compressing support I 42, bearing I 43 and support beam 45, institute's rheme
Move case to be respectively provided in the concrete eight 1 of the both sides joist steel bottom of expansion joint both sides, the support beam both ends support respectively
On bearing I in displacement case, compressing support I is arranged between support beam and displacement box top, and the middle joist steel 2 is logical
Cross intermediate support component and be supported on the middle part of support beam 45；
The position-limit mechanism 6 includes guard box II 61 and limit rope 63, and the guard box II 61 is respectively provided at positioned at flexible
In the concrete eight 1 for stitching the both sides joist steel bottom of both sides, the limit rope both ends connect adjacent side bar steel by screw 62 respectively
With middle joist steel bottom, or joist steel bottom in adjacent two is connected to；
The Bit andits control mechanism 5 includes connection component 52 and is connected to the shear spring 53 at the both ends of connection component 52, institute
State and middle joist steel bottom surface is connected to by connector I 54 in the middle part of connection component, the shear spring at its both ends is respectively by positioned at flexible
The connector II 55 stitched in the guard box I 51 of both sides is connected with the side bar steel bottom of both sides.
The intermediate support component includes connection supporting plate 44 and connection steel column 46, and the connection steel column is arranged in support beam
Axial both sides, its upper end are fixedly connected with the middle bottom surface of joist steel 2, and its lower end passes through bolt and the connection support positioned at support beam bottom
Plate 44 is connected, and compressing support II 47 is installed between support beam 45 and middle joist steel bottom surface, is pacified between support beam and connection supporting plate
Fill bearing II 48.
The bearing I 43 of the supporting mechanism 4 is concavo-convex spherical structure, hyperboloid structure or cylindrical structure, pressure-bearing
The bottom periphery of bearing I is provided with positive stop.
The displacement case 41 of the supporting mechanism 4 is tubaeform casing or trapezoidal cabinet or rectangular box, and the support is horizontal
Beam 45 is " work " word beam or main spar or rectangular beam.
Embodiment two
One kind subtracts the special retractor device of Isolated Bridges, and its structure and embodiment one are essentially identical, except that：Described one
Kind, which subtracts the special retractor device of Isolated Bridges, includes the side bar steel 1 installed in expansion joint both sides and 2 between the joist steel of both sides
Middle joist steel（N=2）, 1 group of supporting mechanism, 4, the 2 groups of Bit andits control machines of the support limit control system including being arranged in order installation
Structure 5 and 1 group of position-limit mechanism 6；
First middle joist steel bottom surface is connected to by connector I 54 in the middle part of the connection component of first group of Bit andits control mechanism,
The shear spring 53 of the one end of connection component 52 passes through the connector II 55 in the guard box I 51 of expansion joint side and the side
Side bar steel bottom connects, and the shear spring of the other end passes through positioned at the connector III 56 of second central sill bottom and second central sill
Steel bottom surface connects；
Second middle joist steel bottom surface is connected to by connector I 54 in the middle part of the connection component of second group of Bit andits control mechanism,
The shear spring 53 of the one end of connection component 52 passes through the connector III 56 and first middle joist steel positioned at first middle joist steel bottom surface
Bottom surface connects, and the shear spring of the other end passes through the connector II 55 in the guard box I 51 of expansion joint opposite side and the side
Side bar steel bottom connection.
Embodiment three
One kind subtracts the special retractor device of Isolated Bridges, and its structure and embodiment one are essentially identical, except that：Described one
Kind, which subtracts the special retractor device of Isolated Bridges, includes the side bar steel 1 installed in expansion joint both sides and 3 between the joist steel of both sides
Middle joist steel（N=3）, 1 group of supporting mechanism, 4, the 3 groups of Bit andits control machines of the support limit control system including being arranged in order installation
Structure 5 and 1 group of position-limit mechanism 6；
First middle joist steel bottom surface is connected to by connector I 54 in the middle part of the connection component of first group of Bit andits control mechanism,
The shear spring 53 of the one end of connection component 52 passes through the connector II 55 in the guard box I 51 of expansion joint side and the side
Side bar steel bottom connects, and the shear spring of the other end passes through positioned at the connector III 56 of second central sill bottom and second central sill
Steel bottom surface connects；
Second middle joist steel bottom surface is connected to by connector I 54 in the middle part of the connection component of second group of Bit andits control mechanism,
The shear spring 53 of the one end of connection component 52 passes through the connector III 56 and first middle joist steel positioned at first middle joist steel bottom surface
Bottom surface connects, and the shear spring of the other end passes through the connector III 56 positioned at the 3rd middle joist steel bottom surface and the 3rd middle joist steel bottom
Face connects；
The 3rd middle joist steel bottom surface is connected to by connector I 54 in the middle part of the connection component of 3rd group of Bit andits control mechanism,
The shear spring 53 of the one end of connection component 52 passes through the connector III 56 and second middle joist steel positioned at second middle joist steel bottom surface
Bottom surface connects, and the shear spring of the other end passes through the connector II 55 in the guard box I 51 of expansion joint opposite side and the side
Side bar steel bottom connection.
Example IV
One kind subtracts the special retractor device of Isolated Bridges, and its structure and embodiment one are essentially identical, except that：Described one
Kind, which subtracts the special retractor device of Isolated Bridges, includes the side bar steel 1 installed in expansion joint both sides and the N roots between the joist steel of both sides
Middle joist steel（N ＞ 3）, 1 group supporting mechanism 4, N group Bit andits control machine of the support limit control system including being arranged in order installation
Structure 5 and 1 group of position-limit mechanism 6；
First middle joist steel bottom surface is connected to by connector I 54 in the middle part of the connection component of first group of Bit andits control mechanism,
The shear spring 53 of the one end of connection component 52 passes through the connector II 55 in the guard box I 51 of expansion joint side and the side
Side bar steel bottom connects, and the shear spring of the other end passes through positioned at the connector III 56 of second central sill bottom and second central sill
Steel bottom surface connects；
Second middle joist steel bottom surface is connected to by connector I 54 in the middle part of the connection component of second group of Bit andits control mechanism,
The shear spring 53 of the one end of connection component 52 passes through the connector III 56 and first middle joist steel positioned at first middle joist steel bottom surface
Bottom surface connects, and the shear spring of the other end passes through the connector III 56 positioned at the 3rd middle joist steel bottom surface and the 3rd middle joist steel bottom
Face connects；
The 3rd middle joist steel bottom surface is connected to by connector I 54 in the middle part of the connection component of 3rd group of Bit andits control mechanism,
The shear spring 53 of the one end of connection component 52 passes through the connector III 56 and second middle joist steel positioned at second middle joist steel bottom surface
Bottom surface connects, and the shear spring of the other end passes through the connector III 56 positioned at the 4th middle joist steel bottom surface and the 4th middle joist steel bottom
Face connects；
Joist steel bottom surface in nth root is connected to by connector I 54 in the middle part of the connection component of N group Bit andits controls mechanism, even
The shear spring 53 of the one end of connected components 52 passes through joist steel in the connector III 56 and N-1 roots of joist steel bottom surface in N-1 roots
Bottom surface connects, and the shear spring of the other end passes through the connector II 55 and side bar in the guard box I 51 of expansion joint opposite side
Steel bottom connects.
In one~example IV of above-described embodiment, M value is depending on the width of bridge, between generally 5~50
Arbitrary integer.
In above-described embodiment four, N value is any between generally 4~30 depending on the width of bridge expanssion joint
Integer.
Claims (7)
1. one kind subtracts the special retractor device of Isolated Bridges, including the side bar steel at left and right sides of expansion joint（1）With positioned at two
Joist steel in N roots between side bar steel（2）, V-seal rubber strip is connected between middle joist steel and side bar steel or middle joist steel and middle joist steel
（3）, the side bar steel passes through casting concrete（81）And anchor rib（7）It is fixed in the bridge beam body of expansion joint both sides；It is special
Sign is：
The retractor device also includes the support limit control system that M groups are uniformly arranged on expansion joint both sides, the support limit control
System architecture processed is identical, including is arranged in order 1 group of supporting mechanism of installation（4）, N group Bit andits controls mechanism（5）With 1 group of position restrainer
Structure（6）；
The supporting mechanism（4）Including displacement case（41）, compressing support I（42）, bearing I（43）And support beam（45）,
The support beam both ends are supported on the bearing I in the displacement case of expansion joint both sides respectively, and compressing support I is installed
Between support beam and displacement box top, the middle joist steel（2）Support beam is supported on by intermediate support component（45）In
Portion；
The position-limit mechanism（6）Including guard box II（61）And limit rope（63）, the limit rope both ends pass through screw respectively
（62）Adjacent side bar steel and middle joist steel bottom are connected, or is connected to joist steel bottom in adjacent two；
The Bit andits control mechanism（5）Including connection component（52）With the shear spring for being connected to connection component both ends（53）, institute
State in the middle part of connection component by connector I（54）It is connected to middle joist steel bottom surface, the shear spring at its both ends or passes through position respectively
Guard box I in expansion joint both sides（51）Interior connector II（55）It is connected with the side bar steel bottom of both sides；
Or one end passes through the guard box I positioned at expansion joint side（51）Interior connector II（55）With the side bar steel bottom of the side
Connection, the shear spring of the other end pass through the connector positioned at the middle joist steel bottom surface adjacent with connecting joist steel among the connection component
Ⅲ（56）The middle joist steel bottom surface connection adjacent with this；
Or the shear spring at both ends is respectively by positioned at the middle joist steel bottom surface connected among the connection component at left and right sides of joist steel
Connector III（56）It is connected with the middle joist steel at left and right sides of this；
The displacement case（41）, guard box I（51）With guard box II（61）It is respectively provided at the concrete of both sides joist steel bottom（81）
It is interior；
Above-mentioned M value is the arbitrary integer between 5~50, and N value is the arbitrary integer between 1~30.
2. one kind as claimed in claim 1 subtracts the special retractor device of Isolated Bridges, it is characterised in that：Described one kind subtracts shock insulation bridge
The special retractor device of beam includes being arranged on the side bar steel at left and right sides of expansion joint（1）And 1 central sill between the joist steel of both sides
Steel（2）, 1 group supporting mechanism of the support limit control system including being arranged in order installation（4）, 1 group of Bit andits control mechanism（5）
With 1 group of position-limit mechanism（6）；
Pass through connector I in the middle part of the connection component of the Bit andits control mechanism（54）It is connected to middle joist steel bottom surface, connection component
（52）The shear spring at both ends（53）, pass through the guard box I positioned at expansion joint both sides respectively（51）Interior connector II（55）With
The side bar steel bottom connection of both sides.
3. one kind as claimed in claim 1 subtracts the special retractor device of Isolated Bridges, it is characterised in that：Described one kind subtracts shock insulation bridge
The special retractor device of beam includes being arranged on the side bar steel at left and right sides of expansion joint（1）And 2 central sills between the joist steel of both sides
Steel（2）, 1 group supporting mechanism of the support limit control system including being arranged in order installation（4）, 2 groups of Bit andits control mechanisms（5）
With 1 group of position-limit mechanism（6）；
Pass through connector I in the middle part of the connection component of first group of Bit andits control mechanism（54）First middle joist steel bottom surface is connected to, even
Connected components（52）The shear spring of one end（53）Pass through the guard box I positioned at expansion joint side（51）Interior connector II（55）With
The side bar steel bottom connection of the side, the shear spring of the other end pass through connector III（56）It is connected with second middle joist steel bottom surface；
Pass through connector I in the middle part of the connection component of second group of Bit andits control mechanism（54）Second middle joist steel bottom surface is connected to, even
Connected components（52）The shear spring of one end（53）Pass through the connector III positioned at first middle joist steel bottom surface（56）With in first
Joist steel bottom surface connects, and the shear spring of the other end passes through the guard box I positioned at expansion joint opposite side（51）Interior connector II
（55）It is connected with the side bar steel bottom of the side.
4. one kind as claimed in claim 1 subtracts the special retractor device of Isolated Bridges, it is characterised in that：Described one kind subtracts shock insulation bridge
The special retractor device of beam includes being arranged on the side bar steel at left and right sides of expansion joint（1）And 3 central sills between the joist steel of both sides
Steel（2）, 1 group supporting mechanism of the support limit control system including being arranged in order installation（4）, 3 groups of Bit andits control mechanisms（5）
With 1 group of position-limit mechanism（6）；
Pass through connector I in the middle part of the connection component of first group of Bit andits control mechanism（54）First middle joist steel bottom surface is connected to, even
Connected components（52）The shear spring of one end（53）Pass through the guard box I positioned at expansion joint side（51）Interior connector II（55）With
The side bar steel bottom connection of the side, the shear spring of the other end pass through connector III（56）It is connected with second middle joist steel bottom surface；
Pass through connector I in the middle part of the connection component of second group of Bit andits control mechanism（54）Second middle joist steel bottom surface is connected to, even
Connected components（52）The shear spring of one end（53）Pass through the connector III positioned at first middle joist steel bottom surface（56）With in first
Joist steel bottom surface connects, and the shear spring of the other end passes through the connector III positioned at the 3rd middle joist steel bottom surface（56）With in the 3rd
Joist steel bottom surface connects；
Pass through connector I in the middle part of the connection component of 3rd group of Bit andits control mechanism（54）The 3rd middle joist steel bottom surface is connected to, even
Connected components（52）The shear spring of one end（53）Pass through the connector connector III positioned at second middle joist steel bottom surface（56）With
Two middle joist steel bottom surface connections, the shear spring of the other end pass through the guard box I positioned at expansion joint opposite side（51）Interior connection
Part II（55）It is connected with the side bar steel bottom of the side.
5. one kind as described in claim 1,2,3 or 4 subtracts the special retractor device of Isolated Bridges, it is characterised in that：
The intermediate support component includes connection supporting plate（44）With connection steel column（46）, it is described connection steel column be arranged in support beam
Axial both sides, its upper end and middle joist steel（2）Bottom surface is fixedly connected, and its lower end passes through bolt and the connection positioned at support beam bottom
Supporting plate（44）Connection, support beam（45）Compressing support II is installed between middle joist steel bottom surface（47）, support beam is with being connected support
Bearing II is installed between plate（48）.
6. one kind as claimed in claim 5 subtracts the special retractor device of Isolated Bridges, it is characterised in that：The supporting mechanism（4）
Bearing I（43）Or be concavo-convex spherical structure, hyperboloid structure or cylindrical structure, the bottom periphery of bearing I is provided with limit
Position block.
7. one kind as claimed in claim 6 subtracts the special retractor device of Isolated Bridges, it is characterised in that：The supporting mechanism（4）
Displacement case（41）Or be tubaeform casing or trapezoidal cabinet or rectangular box, the support beam（45）Or for " work " word beam or
Main spar or rectangular beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835969A (en) * | 2017-03-23 | 2017-06-13 | 柳州东方工程橡胶制品有限公司 | One kind subtracts the special retractor device of Isolated Bridges |
| CN109440637A (en) * | 2018-12-19 | 2019-03-08 | 衡水中铁建工程橡胶有限责任公司 | A kind of highway bridge antidetonation telescopic device |
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2017
- 2017-03-23 CN CN201720293720.0U patent/CN206859043U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835969A (en) * | 2017-03-23 | 2017-06-13 | 柳州东方工程橡胶制品有限公司 | One kind subtracts the special retractor device of Isolated Bridges |
| CN109440637A (en) * | 2018-12-19 | 2019-03-08 | 衡水中铁建工程橡胶有限责任公司 | A kind of highway bridge antidetonation telescopic device |
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