CN218027169U - Wire rope damping comb plate expansion device - Google Patents
Wire rope damping comb plate expansion device Download PDFInfo
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- CN218027169U CN218027169U CN202222130494.8U CN202222130494U CN218027169U CN 218027169 U CN218027169 U CN 218027169U CN 202222130494 U CN202222130494 U CN 202222130494U CN 218027169 U CN218027169 U CN 218027169U
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- wire rope
- expansion joint
- steel wire
- beam body
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Abstract
The utility model provides a wire rope damping fishback telescoping device, includes roof beam body (1), its characterized in that: the utility model discloses a steel wire rope damper, expansion joint clearance (2) and steel wire rope damper, including expansion joint clearance (2), be provided with fixed fishback (3) on the roof beam body (1) of expansion joint clearance (2) one side, be provided with movable fishback (4) on the roof beam body (1) of expansion joint clearance (2) one side, expansion joint clearance (4) are strideed across expansion joint clearance (2) and fixed fishback (3) overlap joint in activity fishback (4), and expansion joint clearance (2) both sides roof beam body (1) tip is provided with built-in fitting (5), is provided with the bridging bearing structure in expansion joint clearance (2), and the bridging bearing structure inner zone installs wire rope attenuator (13), the utility model discloses rational in infrastructure, installation and maintenance convenience, the bridging bearing structure uses with the steel wire rope attenuator is supporting has reached very good energy dissipation damping performance, can reduce impact load in daily use, reaches the purpose that the energy dissipation was fallen and is fallen, extension expansion joint device's life.
Description
Technical Field
The utility model relates to a telescoping device especially relates to a wire rope damping broach board telescoping device, belongs to road and bridge engineering technical field.
Background
"expansion and contraction" is the most fundamental physical property of a structure or structural member. For bridge structures, the beam body will elongate when the temperature rises; when the temperature is reduced, the beam body can be shortened, the characteristic has important influence on the stress of the bridge structure, and the safety and the normal use of the bridge are influenced, so that the bridge structure can be provided with a telescopic structure called as an expansion joint every time the bridge structure reaches a certain length so as to adapt to the deformation caused by the temperature change and improve the stress of the structure. The flexible volume variation of different span bridge structures, the width in expansion joint clearance differs, and the bridge telescoping device still need bear vehicle load's the repetition and roll and strike except that need satisfy flexible function, simultaneously, still need control the vibration and the driving noise of vehicle in the allowed band, furthest's promotion driving comfort level.
The existing bridge expansion device mainly comprises a module expansion device and a comb plate expansion device. The existing comb plate telescopic device is simple in structure, the comb plate is directly welded or anchored on the beam ends on two sides of the gap of the expansion joint, the comb plate does not have a damping function, when an earthquake occurs, the telescopic device is a weak structure which is easy to break, and meanwhile, the vehicle passing for rescue after the disaster is influenced. The damping and shock-absorbing telescopic device defines the mechanical relationship between the beams, avoids the collision of the beam ends of the two adjacent bridges and enhances the shock resistance of the bridges.
Disclosure of Invention
The utility model aims at current fishback telescoping device simple structure, do not have damping shock-absorbing function, can't reach energy dissipation shock attenuation effect, go to earthquake and vehicle and take place the condition that structural component damaged or fatigue failure easily, provide one kind rational in infrastructure, have energy dissipation shock-absorbing function, can be fine provide earthquake protection function's telescoping device. The device has solved the technical defect that current fishback telescoping device exists.
In order to realize the purpose of the utility model, the technical proposal of the utility model is that: the utility model provides a wire rope damping fishback telescoping device, includes the roof beam body, has expansion joint clearance, its characterized in that between the adjacent both ends roof beam body in advance: the steel wire rope damper is characterized in that a fixed comb plate is arranged on the beam body on one side of the expansion joint gap, a movable comb plate is arranged on the beam body on one side of the expansion joint gap, the movable comb plate spans the expansion joint gap and is in lap joint with the fixed comb plate, embedded parts are arranged on the beam body end portions on two sides of the expansion joint gap, a bridging supporting structure is arranged in the expansion joint gap and between the beam body embedded parts on two sides, two ends of the bridging supporting structure are hinged to the beam body embedded parts on two sides of the expansion joint gap through first connecting shafts respectively, or one end of the bridging supporting structure is mounted at the lower end of the movable comb plate through a second connecting shaft, the other end of the bridging supporting structure is hinged to the beam body embedded parts through the first connecting shafts, and a steel wire rope damper is mounted in the inner area of the bridging supporting structure.
Further, the movable comb plate lower end, and the one side that is located the expansion joint clearance is provided with the lug, has seted up the shaft hole on the lug, and the one end of bridging bearing structure is installed on the lug through the second connecting axle.
Furthermore, one side of the beam body embedded part close to the gap of the expansion joint is provided with an ear plate, a shaft hole is formed in the ear plate, and one side of the cross bracing supporting structure is installed on the ear plate through a first connecting shaft.
Further, bridging bearing structure includes connecting rod, articulated shaft, back timber and floorbar, many connecting rods cross arrangement, and the intersection position of two adjacent connecting rods is connected through the articulated shaft, is located to be connected with the back timber on the articulated shaft of top, is located to be connected with the floorbar on the articulated shaft of below.
Furthermore, a sliding block is arranged on the side wall of the beam body embedded part close to the gap of the expansion joint, and the lower parts of one end or two ends of the cross bracing support structure are arranged on the sliding block through a first connecting shaft.
Furthermore, the steel wire rope damper comprises a steel wire rope and a rope clamp steel plate, wherein the steel wire rope is formed by winding a whole continuous steel wire rope according to a certain pitch, or is formed by bending a single steel wire rope, connecting the end to form a circular rope ring and arranging a plurality of circular rope rings according to a certain distance.
Furthermore, the top beam is fixed with one of the rope clamp steel plates through a connecting bolt, and the bottom beam is fixed with the other rope clamp steel plate through a connecting bolt.
Furthermore, a drainage structure is arranged in the gap of the expansion joint and above or below the cross bracing support structure.
The utility model has the advantages that:
1. the utility model discloses there is bridging bearing structure at the internally mounted in expansion joint clearance, and bridging bearing structure is connected with the roof beam end through first connecting axle, also can be connected with the lower extreme of activity fishback through the second connecting axle, and when the telescoping device produced flexible deformation, bridging bearing structure can produce relative motion along with the flexible of fixed fishback and activity fishback.
2. The utility model discloses install the wire rope attenuator at bridging bearing structure inner zone, constitute rectangular shape attenuator by wire rope and a pair of rope clip steel sheet, the wire rope attenuator can produce along with bridging bearing structure's flexible and draw the pressure deformation, and the wire rope attenuator can play the energy dissipation cushioning effect.
3. The utility model discloses rational in infrastructure, the installation is convenient with the maintenance, and the supporting use of bridging bearing structure and wire rope attenuator has reached very good energy dissipation damping performance, can reduce impact load in daily use, reaches the purpose that the energy dissipation was fallen and is made an uproar, prolongs telescoping device's life.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is an elevation view of a first embodiment of a scissors brace support structure of the present invention.
Fig. 3 is a schematic view of the structure in the direction I-I in fig. 2.
FIG. 4 is a schematic view of the structure in the direction II-II in FIG. 2.
Fig. 5 is a schematic view of the structure in the direction III-III in fig. 2.
Fig. 6 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 7 is an elevational view of a second embodiment of a scissors brace support structure of the present invention.
Fig. 8 is a schematic view of the structure in the direction I-I of fig. 7.
FIG. 9 is a schematic view of the structure in the direction II-II in FIG. 7.
Fig. 10 is a schematic view of the structure in the direction III-III in fig. 7.
Fig. 11 is a schematic structural view of the steel wire rope damper of the present invention.
In the figure: the beam body 1, expansion joint clearance 2, fixed fishback 3, activity fishback 4, beam body built-in fitting 5, otic placode 6, first connecting axle 7, slider 8, lug 9, second connecting axle 10, connecting rod 11, articulated shaft 12, wire rope attenuator 13, wire rope 14, rope clip steel sheet 15, back timber 16, floorbar 17, connecting bolt 18, drainage 19.
Detailed Description
The invention is described in further detail below with reference to the following description of the drawings and the detailed description.
Referring to fig. 1 to 11, the utility model discloses a wire rope damping fishback telescoping device, including the roof beam body 1, it has expansion joint clearance 2, its characterized in that to reserve between the adjacent both ends roof beam body 1: be provided with fixed fishback 3 on the roof beam body 1 of expansion joint clearance 2 one side, be provided with movable fishback 4 on the roof beam body 1 of expansion joint clearance 2 one side, expansion joint clearance 2 and the 3 overlap joints of fixed fishback are strideed across to movable fishback 4, expansion joint clearance 2 both sides roof beam body 1 tip is provided with built-in fitting 5, be provided with the bridging bearing structure in the expansion joint clearance 2 and between the roof beam body built-in fitting 5 that is located both sides, the both ends of bridging bearing structure articulate respectively on the roof beam body built-in fitting 5 of expansion joint clearance 2 both sides through first connecting axle 7, perhaps the one end of bridging bearing structure is installed at the lower extreme of movable fishback 4 through second connecting axle 10, the other end of bridging bearing structure articulates on roof beam body built-in fitting 5 through first connecting axle 7, wire rope attenuator 13 is installed to the internal region of bridging bearing structure.
The lower extreme of activity fishback 4 is provided with lug 9 in the one side that is close to expansion joint clearance 2, has seted up the shaft hole on lug 9, and the one end of bridging bearing structure is installed on lug 9 through second connecting axle 10.
The side welding that roof beam body built-in fitting 5 is close to expansion joint clearance 2 has otic placode 6, has seted up the shaft hole on the otic placode 6, and the one side of bridging bearing structure is installed on otic placode 6 through first connecting axle 7.
The cross bracing structure comprises connecting rods 11, hinged shafts 12, top beams 16 and bottom beams 17, wherein the connecting rods 11 are arranged in a cross mode, the crossed parts of every two adjacent connecting rods 11 are connected through the hinged shafts 12, the top beams 16 are connected to the hinged shafts 12 located above, and the bottom beams 17 are connected to the hinged shafts 12 located below.
And a sliding block 8 is arranged on the side wall of the beam embedded part 5 close to the expansion joint gap 2, and the lower parts of one end or two ends of the cross bracing support structure are arranged on the sliding block 8 through a first connecting shaft 7.
The steel wire rope damper 13 comprises a steel wire rope 14 and a rope clamp steel plate 15, wherein the steel wire rope 14 is formed by winding a whole continuous steel wire rope according to a certain pitch, or a single steel wire rope is bent and connected end to form a circular rope ring, and a plurality of circular rope rings are arranged at certain intervals; the rope clamping steel plate 15 clamps and fixes the steel wire rope 14.
The top beam 16 is fixed with one rope clamp steel plate 15 through a connecting bolt 18, and the bottom beam 17 is fixed with the other rope clamp steel plate 15 through the connecting bolt 18.
And a drainage structure 19 is arranged in the expansion joint gap 2 and above or below the cross bracing support structure.
As shown in figure 1 and figure 2, be provided with expansion joint clearance 2 between the adjacent both ends roof beam body 1 in the bridge engineering, be provided with fixed fishback 3 on the roof beam body 1 of expansion joint clearance 2 one side, be provided with movable fishback 4 on the roof beam body 1 of expansion joint clearance 2 one side, the crisscross interlock of broach on fixed fishback 3 and the movable fishback 4 is in the same place. The utility model discloses there is wire rope damping shock-absorbing structure at the internally mounted in traditional expansion joint clearance 2 for good energy dissipation shock-absorbing function has been had on traditional fishback telescoping device's basis.
The beam ends on the two sides of the expansion joint gap 2 are provided with embedded parts 5, the beam body embedded parts 5 can be embedded when a beam body is poured, and can also be embedded when the expansion joint is installed, and the beam body embedded parts 5 are mainly used for installing and fixing a cross bracing supporting structure. And a scissor support structure is arranged in the expansion joint gap 2 and between the beam embedded parts 5 on the two sides, and the scissor support structure system can synchronously and freely stretch along with the stretching of the comb plate and can also meet the rotating function. The cross bracing supporting structure mainly comprises connecting rods 11, hinged shafts 12, a top beam 16 and a bottom beam 17, wherein the connecting rods 11 are arranged in a cross mode, the cross positions of every two adjacent connecting rods 11 are connected through the hinged shafts 12, and the hinged shafts 12 are self-lubricating bearings or hinged shafts with self-lubricating functions. The upper articulated shaft 12 is connected with a top beam 16, the lower articulated shaft 12 is connected with a bottom beam 17, and the top beam 16 and the bottom beam 17 are parallel to each other. The installation mode of the cross bracing support structure has various modes, and mainly comprises the following several embodiments:
embodiment 1: one side that roof beam body built-in fitting 5 is close to expansion joint clearance 2 is provided with otic placode 6, has seted up the shaft hole on the otic placode 6, and the both ends of bridging bearing structure are installed on roof beam body built-in fitting 5 through otic placode 6 and first connecting axle 7 respectively. Be provided with slider 8 on the lateral wall that roof beam body built-in fitting 5 is close to expansion joint clearance 2, install on slider 8 through first connecting axle 7 in the one end or the both ends lower part of bridging bearing structure, the surface of roof beam body built-in fitting 5 supplies the gliding region of slider 8 to level smoothly smooth, and the slider 8 of being convenient for slides, and slider 8 can provide the level for bridging bearing structure to the counter-force, and stability is better.
Embodiment 2: one side that roof beam body built-in fitting 5 is close to expansion joint clearance 2 is provided with otic placode 6, has seted up the shaft hole on the otic placode 6, and the one end of bridging bearing structure is installed on otic placode 6 through first connecting axle 7, and lug 9 is installed in one side that is close to expansion joint clearance 2 in the below of activity fishback 4, has seted up the shaft hole on lug 9, and the other end of bridging bearing structure passes through second connecting axle 10 to be installed on lug 9.
There are two pin bridging bearing structures at horizontal bridge to a fishback unit, the utility model discloses install wire rope attenuator 13 between two pin bridging bearing structures, wire rope attenuator 13 uses with bridging bearing structure is supporting. The steel wire rope damper 13 mainly comprises a steel wire rope 14 and a pair of rope clamp steel plates 15, wherein the steel wire rope 14 is formed by winding a whole continuous steel wire rope according to a certain pitch, or a single steel wire rope is bent and connected end to form a circular rope ring, and a plurality of circular rope rings are arranged at certain intervals; the rope clamp steel plate 15 clamps and fixes the steel wire rope 14, the rope clamp steel plate 15 is divided into an upper set and a lower set, each set consists of two steel plates, a semicircular notch for fixing the steel wire rope is formed in each steel plate, and the two steel plates are buckled with each other to form the rope clamp steel plate 15 through the rope clamp bolt connection.
The fixation between the rope damper 13 and the scissor support structure may take various forms, for example: the top beam 16 is fixed with one rope clamp steel plate 15 through a connecting bolt 18, and the bottom beam 17 is fixed with the other rope clamp steel plate 15 through the connecting bolt 18. It is also possible to install between two adjacent top beams 16 or two adjacent bottom beams 17, namely: the left top beam 16 is fixed to one rope clamp steel plate 15, and the right top beam 16 is fixed to the other rope clamp steel plate 15. Similarly, the same applies to the fixation between two adjacent bottom beams 17. Multiple sets of steel wire rope dampers 13 can be installed inside the cross-brace supporting structure, and the number of the steel wire rope dampers is determined according to the anti-seismic requirement of a specific structure on the comb plate expansion device.
The utility model discloses utilized the good energy dissipation damping performance of wire rope attenuator 13, used with the supporting damping system that has constituted of bridging bearing structure, when the telescoping device produced flexible deformation, bridging bearing structure will produce relative motion along with fixed fishback 3 and activity fishback 4, and wire rope attenuator 13 will produce the change of configuration, and intertwine's steel wire produces the dry friction to the energy dissipation is cushioned. Meanwhile, due to the existence of the steel wire rope damper 13, a clear mechanical relation exists between the beam end and the beam end, and the structural damage caused by local collision of the beam end is avoided. The steel wire rope damper 13 can reduce impact load response in the daily use process, has the functions of vibration reduction and noise reduction, and can prolong the service life of the telescopic device.
The above description is for further details of the present invention, and it should not be considered that the present invention is limited to these descriptions, and for those skilled in the art to which the present invention pertains, the present invention can be easily replaced, modified and changed without departing from the spirit of the present invention, and all of the simple replacements, modifications and changes should be considered as belonging to the protection scope of the present invention.
Claims (8)
1. The utility model provides a wire rope damping fishback telescoping device, includes the roof beam body (1), has expansion joint clearance (2), its characterized in that between two sections adjacent roof beam bodies (1) in advance: the steel wire rope damper is characterized in that a fixed comb plate (3) is arranged on a beam body (1) on one side of an expansion joint gap (2), a movable comb plate (4) is arranged on the beam body (1) on one side of the expansion joint gap (2), the movable comb plate (4) spans the expansion joint gap (2) and is in lap joint with the fixed comb plate (3), embedded parts (5) are arranged at the end parts of the beam bodies (1) on two sides of the expansion joint gap (2), a bridging supporting structure is arranged in the expansion joint gap (2) and between the beam body embedded parts (5) on two sides, two ends of the bridging supporting structure are hinged to the beam body embedded parts (5) on two sides of the expansion joint gap (2) through first connecting shafts (7) respectively, or one end of the bridging supporting structure is installed at the lower end of the movable comb plate (4) through second connecting shafts (10), the other end of the bridging supporting structure is hinged to the beam body embedded parts (5) through the first connecting shafts (7), and a steel wire rope damper (13) is installed in the inner area of the bridging supporting structure.
2. The steel wire rope damping comb plate expansion device according to claim 1, wherein: the lower end of the movable comb plate (4) is provided with a lifting lug (9) at one side close to the expansion joint gap (2), a shaft hole is formed in the lifting lug (9), and one end of the cross bracing supporting structure is installed on the lifting lug (9) through a second connecting shaft (10).
3. The steel wire rope damping comb plate expansion device according to claim 1, wherein: one side of the beam body embedded part (5) close to the expansion joint gap (2) is welded with an ear plate (6), a shaft hole is formed in the ear plate (6), and one side of the cross bracing supporting structure is installed on the ear plate (6) through a first connecting shaft (7).
4. The steel wire rope damping comb plate expansion device according to claim 1, wherein: the cross bracing structure comprises connecting rods (11), hinged shafts (12), top beams (16) and bottom beams (17), wherein the connecting rods (11) are arranged in a cross mode, the crossed parts of every two adjacent connecting rods (11) are connected through the hinged shafts (12), the top beams (16) are connected onto the hinged shafts (12) located above, and the bottom beams (17) are connected onto the hinged shafts (12) located below.
5. The steel wire rope damping comb plate expansion device according to claim 1, wherein: the side wall of the beam embedded part (5) close to the expansion joint gap (2) is provided with a sliding block (8), and the lower parts of one end or two ends of the cross bracing support structure are installed on the sliding block (8) through a first connecting shaft (7).
6. The steel wire rope damping comb plate expansion device according to claim 1, wherein: the steel wire rope damper (13) comprises a steel wire rope (14) and a rope clamp steel plate (15), the steel wire rope (14) is formed by winding a whole continuous steel wire rope according to a certain pitch, or a single steel wire rope is bent and is made into a circular rope ring in an end-to-end connection mode, the circular rope rings are arranged at certain intervals, and the rope clamp steel plate (15) clamps and fixes the steel wire rope (14).
7. The steel wire rope damping comb plate expansion device according to claim 4, wherein: the top beam (16) is fixed with one rope clamp steel plate (15) through a connecting bolt (18), and the bottom beam (17) is fixed with the other rope clamp steel plate (15) through the connecting bolt (18).
8. The steel wire rope damping comb plate expansion device according to claim 1, wherein: and a drainage structure (19) is arranged in the expansion joint gap (2) and above or below the cross brace supporting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222130494.8U CN218027169U (en) | 2022-08-15 | 2022-08-15 | Wire rope damping comb plate expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222130494.8U CN218027169U (en) | 2022-08-15 | 2022-08-15 | Wire rope damping comb plate expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218027169U true CN218027169U (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222130494.8U Active CN218027169U (en) | 2022-08-15 | 2022-08-15 | Wire rope damping comb plate expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218027169U (en) |
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2022
- 2022-08-15 CN CN202222130494.8U patent/CN218027169U/en active Active
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