CN215164615U - Telescoping device with energy dissipation shock-absorbing function - Google Patents

Telescoping device with energy dissipation shock-absorbing function Download PDF

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Publication number
CN215164615U
CN215164615U CN202121319251.8U CN202121319251U CN215164615U CN 215164615 U CN215164615 U CN 215164615U CN 202121319251 U CN202121319251 U CN 202121319251U CN 215164615 U CN215164615 U CN 215164615U
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rope
fixed
wire rope
steel wire
longeron
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CN202121319251.8U
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万维东
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Wuhan Dongjiu Yonghuan Engineering Technology Co ltd
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Wuhan Dongjiu Yonghuan Engineering Technology Co ltd
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Abstract

The utility model provides a telescoping device with energy dissipation shock-absorbing function, includes beam-ends (1), limit longeron (2) and well longeron (3), its characterized in that: the utility model discloses it is fixed respectively to be provided with supporting steel plate (5) on roof beam end (1) side of limit longeron (2) below, and the side-mounting of supporting steel plate (5) has fixed rope clip (8), installs a plurality of fixed wire rope attenuator (11) side by side between two fixed rope clip (8) facing, and it is fixed through middle rope clip (9) connection between two adjacent wire rope attenuator (11), and middle rope clip (9) suspend in midair the bottom of installing in well longeron (3) through the connecting piece, the utility model discloses it is rational in infrastructure, the installation is convenient with the maintenance, can quick automatic re-setting when the earthquake takes place, has reached very good damping energy dissipation shock attenuation effect, can also reduce the impulse response that the vehicle load produced, has reduced the driving noise, has promoted the driving travelling comfort.

Description

Telescoping device with energy dissipation shock-absorbing function
Technical Field
The utility model relates to an expansion joint especially relates to a telescoping device with energy dissipation shock-absorbing function, belongs to road and bridge technical field.
Background
The bridge telescoping device is the important adapting unit between the bridge beam-ends, and its performance is directly influencing the use of bridge, and the bridge telescoping device is except that needs satisfy flexible function, still need bear vehicle load roll repeatedly and strike, simultaneously, still need be with the vibration of vehicle and driving noise control in the allowed band, furthest's promotion driving comfort level.
The existing bridge expansion device mainly comprises a modulus expansion device and a comb plate expansion device, wherein each bearing capacity sliding component (a cross beam, a middle beam and a support frame) of the modulus expansion device is supported on an elastic support, and each group of bearing component units adopts an elastic support system of the cross beam and a displacement system under the combined action of shearing springs connected in series. When the vehicle passes through the telescopic device, impact loads such as horizontal, vertical and torsional loads are generated. Vertical force and torque are transmitted through the middle beam, the edge beam, the cross beam and the elastic support, horizontal acting force is transmitted through the displacement spring, and impact load is safely and reliably transmitted to the beam body and the abutment through the rubber material buffering load.
The existing modular expansion device can only expand along the longitudinal direction of a bridge or a road to adapt to the change of expansion with heat and contraction with cold of a beam body, does not have a multidirectional displacement function, does not have a damping shock absorption function, and has very limited energy dissipation and shock absorption effects. In an earthquake-prone area, an existing modular expansion device is the most easily damaged component in a bridge, and is always permanently damaged after a first wave of an earthquake arrives, so that damage to a main structure of the bridge in the earthquake process is easily accelerated, and safety of the bridge is not facilitated. In addition, after the existing modular expansion device is subjected to the impact load of a vehicle, the longitudinal beams are easy to shift, so that the seam width between the longitudinal beams is uneven, and the driving comfort performance is seriously influenced. The technical problems of multidirectional displacement, energy dissipation and shock absorption and uneven seam width of a modulus type expansion device cannot be solved all the time.
Disclosure of Invention
The utility model aims at current modulus formula telescoping device simple structure, do not have the multidirectional function that shifts, can't reach damping energy dissipation shock attenuation effect, it is relatively poor to earthquake and the produced impact load change adaptability of vehicle travel, and seam width between the longeron is inhomogeneous after using a period, the use has received certain restriction, it is rational in infrastructure now to provide one kind, have the multidirectional function that shifts, and can reach fine damping energy dissipation shock attenuation effect, not only can adapt to the earthquake, and can also reduce the produced impact load of vehicle travel, the inhomogeneous condition that shifts of longeron in can not appearing simultaneously, the fine solution of the device has the technical problem that current modulus formula telescoping device exists.
In order to realize the purpose of the utility model, the technical solution of the utility model is that: the utility model provides a telescoping device with energy dissipation shock-absorbing function, includes beam-ends, limit longeron and well longeron, its characterized in that: the steel wire rope damper is characterized in that supporting steel plates are fixedly arranged on the side faces of the beam ends below the side longitudinal beams respectively, fixing rope clamps are arranged on the side faces of the supporting steel plates, a plurality of steel wire rope dampers fixed side by side are arranged between the two fixing rope clamps facing each other, the two adjacent steel wire rope dampers are connected and fixed through middle rope clamps, and the middle rope clamps are suspended at the bottoms of the middle longitudinal beams through connecting pieces.
Furthermore, the side longitudinal beams are fixedly arranged on the beam ends, the displacement boxes are fixedly arranged in the beam ends, a bearing cross beam is arranged between the two displacement boxes which are transversely opposite, and a plurality of middle longitudinal beams are placed on the bearing cross beam.
Furthermore, middle rope clip is rectangular shape and is located well longeron under, and the axis of middle rope clip is parallel with the axis of well longeron, has seted up a plurality of mounting holes on the middle rope clip.
Furthermore, the connecting piece includes connecting steel plate, connecting screw and coupling nut, and connecting screw vertical fixation is in connecting steel plate's bottom surface, and connecting steel plate passes through connecting bolt to be fixed in the bottom surface of well longeron, and connecting screw's lower extreme penetrates behind the mounting hole and fixes through coupling nut.
Furthermore, the steel wire rope damper 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 and connecting the steel wire rope end to form a circular rope ring, and then a plurality of circular rope rings are arranged at a certain interval, and one side of the steel wire rope, which is close to the support steel plate, is fixed with the fixed rope clamp or the middle rope clamp.
Furthermore, the side face of the upper part of each middle longitudinal beam is provided with a water stop mounting groove, and the water stop mounting grooves on two adjacent middle longitudinal beams are provided with elastic water stops.
The utility model has the advantages that:
1. the utility model discloses hang in midair below well longeron and install the wire rope attenuator for the removal of well longeron all can receive the restraint of wire rope attenuator, makes the atress between each well longeron even, thereby shifts evenly.
2. The utility model discloses a fixed rope presss from both sides and middle rope clamp, through two fixed rope clamps and a plurality of middle rope clamps with a plurality of wire rope dampers connect side by side and fix together to realize fixedly through fixed rope clamp and roof beam end, reached very good fixed effect on the basis of guaranteeing good damping performance.
3. The utility model discloses rational in infrastructure, the installation is convenient with the maintenance, can quick automatic re-setting when the earthquake takes place, has reached very good damping energy dissipation shock attenuation effect, and in daily use, the wire rope attenuator can guarantee that the interval between the longeron all equals in two adjacent, the condition that the longeron is inhomogeneous shifts in can not appearing, the interval width differs, still has certain energy dissipation absorbing effect simultaneously, has reduced the driving noise, has promoted the driving travelling comfort.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic side view of the present invention in the direction of B-B.
Fig. 3 is a plan view of the present invention in the direction of a-a.
Fig. 4 is a schematic structural view of the fixing rope clamp and the middle rope clamp of the present invention.
Fig. 5 is a schematic structural view of the middle rope clamp and the connecting piece of the present invention.
In the figure: the structure comprises a beam end 1, an edge longitudinal beam 2, a middle longitudinal beam 3, a displacement box 4, a supporting steel plate 5, a connecting steel plate 6, a connecting bolt 7, a fixed rope clamp 8, a middle rope clamp 9, a mounting hole 10, a steel wire rope damper 11, a connecting screw rod 12, a connecting nut 13 and a water stop mounting groove 14.
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 5, the utility model discloses a telescoping device with energy dissipation shock-absorbing function, including beam-ends 1, limit longeron 2 and well longeron 3, its characterized in that: the steel wire rope damper is characterized in that supporting steel plates 5 are fixedly arranged on the side faces of the beam end 1 below the side longitudinal beam 2 respectively, fixing rope clamps 8 are arranged on the side faces of the supporting steel plates 5, a plurality of steel wire rope dampers 11 which are fixed side by side are arranged between the two opposite fixing rope clamps 8, the two adjacent steel wire rope dampers 11 are connected and fixed through middle rope clamps 9, and the middle rope clamps 9 are suspended and arranged at the bottoms of the middle longitudinal beams 3 through connecting pieces.
The side longitudinal beams 2 are fixedly arranged on the beam end 1, the displacement boxes 4 are fixedly arranged in the beam end 1, a bearing cross beam is arranged between the two displacement boxes 4 which are transversely and rightly opposite, and a plurality of middle longitudinal beams 3 are placed on the bearing cross beam.
Middle rope clamp 9 is rectangular shape and is located well longeron 3 under, and the axis of middle rope clamp 9 is parallel with the axis of well longeron 3, has seted up a plurality of mounting holes 10 on the middle rope clamp 9.
The connecting piece includes connecting steel plate 6, connecting screw 12 and coupling nut 13, and connecting screw 12 vertical fixation is in connecting steel plate 6's bottom surface, and connecting steel plate 6 passes through connecting bolt 7 to be fixed in the bottom surface of middle longitudinal girder 3, and connecting screw 12's lower extreme penetrates behind the mounting hole 10 and fixes through coupling nut 13.
The steel wire rope damper 11 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 and connecting the single steel wire rope end to form a circular rope loop, and then a plurality of circular rope loops are arranged at a certain interval, and one side of the steel wire rope, which is close to the support steel plate 5, is fixed with the fixed rope clamp 8 or the middle rope clamp 9.
The side of the upper part of each middle longitudinal beam 3 is provided with a water stop mounting groove 15, and the water stop mounting grooves 15 on two adjacent middle longitudinal beams 3 are provided with elastic water stops.
As shown in fig. 1 and 2, the utility model discloses the limit longeron 2, well longeron 3 and the displacement case 4 that adopt are the same with the structure among the prior art, and limit longeron 2 is fixed to be set up on the side of beam- ends 1, and 1 inside is fixed to be provided with the displacement case 4 of beam-ends, installs load-bearing beam between two displacement cases 4 that the beam-ends face, has shelved many well longerons 3 on the load-bearing beam, and well longeron 3 can carry out the slip of certain limit on load-bearing beam. Different from the prior art, the utility model discloses installed wire rope attenuator 11 on current modulus formula expansion joint device's basis, used through the combination of wire rope attenuator 11 and limit longeron 2, well longeron 3 and other parts, reached very good technological effect.
The same bridge expansion joint has two beam ends 1, is the expansion joint notch between two beam ends 1, the utility model discloses fixed supporting steel plate 5 that is provided with in the side of beam end 1 to supporting steel plate 5 is located the below of limit longeron 2, and supporting steel plate 5 can adopt the anchored mode to fix with beam end 1, also can adopt pre-buried fixed mode to fix on beam end 1 side. The supporting steel plate 5 serves as a mounting seat for the fixing rope clamp 8 and also serves as a mounting reference, so that the supporting steel plate 5 can be replaced by other structures such as an anchoring seat.
One side of the supporting steel plate 5 close to the opening of the expansion joint is provided with a fixed rope clamp 8, and the fixed rope clamp 8 is fixed on the side surface of the supporting steel plate 5 in a bolt fixing or anchoring mode, see fig. 4. The bottom of the middle longitudinal beam 3 is provided with a connecting steel plate 6, the bottom surface of the connecting steel plate 6 is provided with a connecting screw rod, the connecting steel plate 6 fixes a middle rope clamp 9 through a connecting screw rod 12 and a connecting nut 13, and the middle rope clamp 9 is suspended below the middle longitudinal beam 3. Middle rope clamp 9 is rectangular shape and is located longeron 3 under, and the axis of middle rope clamp 9 is parallel with longeron 3's axis, has seted up a plurality of mounting holes 10 on the middle rope clamp 9. The connecting piece can adopt multiple structural style, and structural style commonly used includes connecting screw 12 and coupling nut 13, and connecting screw 12 vertical fixation is in the bottom surface of connecting steel plate 6, and the lower extreme of connecting screw 12 penetrates behind the mounting hole 10 to be fixed through coupling nut 13, and the installation and the dismantlement of being convenient for have greatly made things convenient for the maintenance and the change in later stage.
The fixed rope clamp 8 and the middle rope clamp 9 are both used for fixing steel wire ropes on two sides of the steel wire rope damper 11, the fixed rope clamp 8 is used for fixing the steel wire rope damper 11 close to one side of the supporting steel plate 5, and the middle rope clamp 9 is used for fixing the steel wire rope damper 11 located in the middle. The utility model discloses a rope clamp 9 connects a plurality of wire rope dampers 11 side by side and is fixed together in the middle of two fixed rope clamps 8 and a plurality of, with the help of the rigidity and the toughness of wire rope damper 11 itself for the removal of well longeron 3 all can receive the restraint of wire rope damper 11, has guaranteed that the interval between the longeron 3 all equals in two adjacent.
The steel wire rope damper 11 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 and connecting the single steel wire rope end to form a circular rope ring, and then arranging a plurality of circular rope rings according to a certain interval, wherein the diameters of the steel wire ropes can adopt different specifications, particularly 10-40 cm, and the steel wire rope damper has very excellent damping performance. When the expansion joint generates expansion deformation or even earthquakes, the middle longitudinal beams 3 move on the supporting cross beam, and the steel wire rope dampers 11 between the middle longitudinal beams 3 have certain rigidity which is approximately equal, so that the stress and the deflection between the middle longitudinal beams 3 are uniform. In daily use, when the middle longitudinal beam 3 is repeatedly rolled and impacted by vehicles, the steel wire rope damper 11 can play a damping vibration attenuation function, can ensure that the distance between two adjacent middle longitudinal beams 3 is equal, can not generate the conditions of uneven displacement and different distance widths of the middle longitudinal beams 3, reduce the driving noise and improve the driving comfort.
The side of the upper part of the middle longitudinal beam 3 is provided with a water stop mounting groove 15, and the water stop mounting grooves 15 on two adjacent middle longitudinal beams 3 are provided with elastic water stops. The elastic water stop is pre-pressed and embedded in the water stop mounting groove 15 through a special fixture, is tightly combined with the middle longitudinal beam 3, can reliably isolate the rainwater on the bridge floor, and avoids the erosion of the lower structure of the bridge caused by the rainwater.
The utility model discloses an installation method as follows: at prefabricated wire rope attenuator subassembly in mill, including wire rope attenuator 11, fixed rope clamp 8, middle rope clamp 9, fix the installation of fixed rope clamp 8 on supporting steel plate 5, the connecting steel plate subassembly of longeron bottom in the installation, including connecting steel plate 6, connecting screw 12, coupling nut 13, the connecting steel plate subassembly plays the effect of fixed middle rope clamp.
For the newly installed steel wire rope damping expansion joint, the middle rope clamp 9 of the steel wire rope damper 11 can be fixed below the middle longitudinal beam 3 through the connecting component, then the middle longitudinal beam 3 is hoisted in place, and then the fixed rope clamps 8 at the two ends are installed.
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 (6)

1. The utility model provides a telescoping device with energy dissipation shock-absorbing function, includes beam-ends (1), limit longeron (2) and well longeron (3), its characterized in that: the steel wire rope damper is characterized in that supporting steel plates (5) are fixedly arranged on the side faces of the beam ends (1) below the side longitudinal beams (2) respectively, fixing rope clamps (8) are mounted on the side faces of the supporting steel plates (5), a plurality of steel wire rope dampers (11) which are fixed side by side are mounted between the two opposite fixing rope clamps (8), the two adjacent steel wire rope dampers (11) are connected and fixed through middle rope clamps (9), and the middle rope clamps (9) are suspended and mounted at the bottoms of the middle longitudinal beams (3) through connecting pieces.
2. A telescopic device with energy-dissipating and shock-absorbing functions as claimed in claim 1, wherein: the side longitudinal beams (2) are fixedly arranged on the beam ends (1), the displacement boxes (4) are fixedly arranged in the beam ends (1), a bearing cross beam is arranged between the two displacement boxes (4) which are opposite transversely, and a plurality of middle longitudinal beams (3) are placed on the bearing cross beam.
3. A telescopic device with energy-dissipating and shock-absorbing functions as claimed in claim 1, wherein: middle rope clamp (9) are rectangular shape and are located longeron (3) under, and the axis of middle rope clamp (9) is parallel with the axis of longeron (3) in, has seted up a plurality of mounting holes (10) on middle rope clamp (9).
4. A telescopic device with energy-dissipating and shock-absorbing functions as claimed in claim 1, wherein: the connecting piece includes connecting steel plate (6), connecting screw rod (12) and coupling nut (13), and connecting screw rod (12) vertical fixation is in the bottom surface of connecting steel plate (6), and connecting steel plate (6) are fixed in the bottom surface of well longeron (3) through connecting bolt (7), and the lower extreme of connecting screw rod (12) penetrates behind mounting hole (10) and is fixed through coupling nut (13).
5. A telescopic device with energy-dissipating and shock-absorbing functions as claimed in claim 1, wherein: the steel wire rope damper (11) 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 and connecting the single steel wire rope end to form circular rope rings, and then the circular rope rings are arranged at certain intervals, and one side of the steel wire rope, which is close to the supporting steel plate (5), is fixed with the fixed rope clamp (8) or the middle rope clamp (9).
6. A telescopic device with energy-dissipating and shock-absorbing functions as claimed in claim 1, wherein: and the side surface of the upper part of each middle longitudinal beam (3) is provided with a water stop mounting groove (15), and the water stop mounting grooves (15) on two adjacent middle longitudinal beams (3) are provided with elastic water stops.
CN202121319251.8U 2021-06-15 2021-06-15 Telescoping device with energy dissipation shock-absorbing function Active CN215164615U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121319251.8U CN215164615U (en) 2021-06-15 2021-06-15 Telescoping device with energy dissipation shock-absorbing function

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Application Number Priority Date Filing Date Title
CN202121319251.8U CN215164615U (en) 2021-06-15 2021-06-15 Telescoping device with energy dissipation shock-absorbing function

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114606822A (en) * 2022-03-23 2022-06-10 天津大学 Buffering component, self-adaptive system and method for self-recovery after road earthquake

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114606822A (en) * 2022-03-23 2022-06-10 天津大学 Buffering component, self-adaptive system and method for self-recovery after road earthquake
CN114606822B (en) * 2022-03-23 2024-01-30 天津大学 Buffer assembly for self-recovery after road earthquake, self-adaptive system and method

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