CN210104565U

CN210104565U - Damper structure used for bridge stay cable and arranged along cable length

Info

Publication number: CN210104565U
Application number: CN201920306598.5U
Authority: CN
Inventors: 左翼; 王昌喜; 瞿屯夫; 蔡田
Original assignee: CCCC SHB First Engineering Co Ltd
Current assignee: CCCC SHB First Engineering Co Ltd
Priority date: 2019-03-12
Filing date: 2019-03-12
Publication date: 2020-02-21
Anticipated expiration: 2029-03-12

Abstract

The utility model relates to a civil engineering technical field especially relates to a attenuator structure that is used for bridge suspension cable and arranges along the cable length, under outer loop and inner ring pass through damping buffer and spring coupling's effect, decompose, release, conversion, absorb the vibration effect that the cable that the inner ring was installed brought under the effect through damping buffer and spring, and the circular arc groove that sets up through the inner ring realizes rotating the adaptation effect that cover axle center and inner ring axle center contained angle changed and adapt to under the cable slope condition with the cooperation of rotating the cover.

Description

Damper structure used for bridge stay cable and arranged along cable length

Technical Field

The utility model relates to a civil engineering technical field especially relates to a attenuator structure that is used for bridge suspension cable and arranges along the cable length.

Background

Along with the continuous development and progress of bridge technology, the types of bridges are also diversified continuously, in order to ensure that the bridge construction technology in China can be carried out safely and effectively, new high requirements are continuously provided for the construction technology, technicians of bridge construction must continuously master the structural strength of the bridges in construction, the stability coefficient of the bridges is accurately calculated, meanwhile, the bridges are also very important for the maintenance and supervision of the bridges after being built, because the bridges after being built are applied to the bridge in practice and have many problems, the aging of materials and the interference of external environment factors, the damage to a certain extent in the use process and the like, and therefore the design and construction of the bridges are required to be limited by years.

In the process of bridge laying and building, due to the fact that geographical environments of various places are special and complex, bridge designs of different styles are designed to be applied to different environments, and one of the design is often seen as follows: the middle of the bridge deck is provided with a large column, and the two ends of the column are respectively pulled and dragged by a guy cable. The bridge is in a triangular shape like a Chinese character 'shan' shape in the past, and the guy cable like a thin rope plays an extremely important stress role, so that one link is an important maintenance process for protecting the guy cable after the bridge is built, and the tightness adjustment of the lower end of the guy cable is realized, and the like, namely, a protective shell for protecting rainwater from weathering is added on the outer wall of the guy cable.

At present, a protection measure for stay cable vibration rarely or even does not exist in the prior art, namely the stay cable vibrates under the conditions of wind and rain, external stress and the like, the vibration can generate adverse effects on a tightening structure, a connecting part and the like of the stay cable after a long time, and the whole structure of a bridge can be influenced to generate displacement deformation.

Technical not enough above solving for this reason, the utility model discloses a attenuator structure that is used for bridge suspension cable and arranges along the cable length, the utility model discloses be provided with the opening at outer loop and inner ring border respectively, can make smooth entering into the inner ring center of cable, under the connection effect that outer loop and inner ring pass through damping buffer and damping spring, make the cable that the inner ring center is fixed produced vibration under the environment of vibration, decompose under the effect through damping buffer and damping spring, release, the conversion absorbs the effect that reaches the reduction vibration after, wholly reach a quick installation and quick effect of dismantling to fine realization reduces the vibration of bridge cable.

SUMMERY OF THE UTILITY MODEL

A damper structure for a bridge stay cable and arranged along the length of the cable comprises an outer ring and an inner ring which is arranged in the outer ring and concentric with the outer ring, wherein the outer ring is connected with the inner ring through a plurality of damping buffers and springs;

a rotating sleeve is arranged in the center of the inner ring, a long circular pipe is arranged in the rotating sleeve, a rubber ring is arranged in the long circular pipe, a fixed block is arranged on the inner ring, and a fastening screw is arranged on the fixed block;

the damping buffer and the spring are suitable for different specifications and sizes by adjusting different installation positions of the first limiting piece and the second limiting piece, the inner ring is provided with a round hole, the round hole is provided with a lower rotating shaft and a front rotating shaft, and the lower rotating shaft and the front rotating shaft are respectively connected with the other ends of the damping buffer and the spring;

an inner circular ring groove with an arc-shaped cross section is formed in the center of the inner ring, a long round pipe arranged in the inner circular ring groove is designed for two semicircular pipes along the axial length direction, a rubber ring arranged in the long round pipe is designed for the two semicircular pipes along the axial length direction, the fixing block is arranged on the outer edge of the circular ring groove, and the end of a fastening screw arranged in the fixing block can directly act on the outer wall of the long round pipe so as to achieve the fastening effect on the long round pipe;

the joint of the first limiting piece and the outer ring and the joint of the second limiting piece and the outer ring can be in threaded connection or interference connection;

the outer end parts of the first limiting part and the second limiting part are provided with round holes or openings for installing the first limiting part and the second limiting part in a process, and the round holes or the openings are perpendicular to the axial direction of the first limiting part and the second limiting part;

the joint of the lower rotating shaft and the front rotating shaft as well as the inner ring can be in interference fit or threaded connection;

the inner wall of the long round pipe is provided with a plurality of slots along the circumferential direction of the long round pipe so as to ensure that the rubber ring arranged on the inner wall of the long round pipe and the long round pipe achieve a relatively stable effect;

the inner wall of the rubber ring is provided with a plurality of slots along the circumferential direction of the rubber ring so as to ensure that the inhaul cable arranged on the inner wall of the rubber ring achieves a relatively stable effect with the rubber ring in use;

the shape of the cross section of the inner wall of the rubber ring along the length direction of the rubber ring is wavy, so that the inhaul cable arranged on the inner wall of the rubber ring can achieve a relatively stable effect with the rubber ring in use;

the side wall of the long round pipe is provided with a plurality of threaded holes, the threaded holes are provided with bolts, and the ends of the bolts directly act on the rubber ring to prevent the long round pipe and the rubber ring from slipping relatively, so that the relatively stable effect of the long round pipe and the rubber ring is ensured.

The utility model has the advantages that: under the action that the outer ring and the inner ring are connected with the spring through the damping buffer, the vibration effect caused by the inhaul cable installed on the inner ring is decomposed, released, converted and absorbed under the action of the damping buffer and the spring, and the adaptation effect under the condition that the inhaul cable is inclined is adapted to one change of an included angle between the axis of the rotating sleeve and the axis of the inner ring through the matching of the arc-shaped groove formed in the inner ring and the rotating sleeve.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention.

Fig. 2 is a schematic side sectional view of the present invention.

In the figure: 01. a cable; 1. an outer right half ring; 2. a first limit piece; 3. a damping buffer; 4. a lower rotating shaft; 5. an inner right half ring; 6. a second limiting member; 7. a spring; 8. a front rotating shaft; 9. rotating the sleeve; 10. An inner hinge; 11. an outer hinge; 12. a long circular tube; 13. a rubber ring; 14. a fixed block; 15. fastening screws; 16. an inner left half ring; 17. an outer left half ring; 18. inner screws; 19. an outer screw; 20. and (4) bolts.

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

According to the following description of fig. 1 and 2: a damper structure for a bridge stay cable and arranged along the cable length comprises an outer ring and an inner ring which is arranged in the outer ring and is concentric with the outer ring, wherein the outer ring is connected with the inner ring through a plurality of damping buffers 3 and springs 7, the outer ring comprises an outer right half ring 1 and an outer left half ring 17, one end of the outer right half ring 1 is connected with one end of the outer left half ring 17 through an outer bolt 19, the other end of the outer right half ring is hinged through an outer hinge 11, the inner ring comprises an inner right half ring 5 and an inner left half ring 16, one end of the inner right half ring 5 is connected with one end of the inner left half ring 16 through an inner bolt 18, the other end of the inner right half ring is hinged through an inner hinge 10, a plurality of first limiting parts 2 and second limiting parts 6 which are respectively used for installing the damping buffers 3 and the springs 7 are arranged on the outer ring so as to adapt to installation of the damping buffers 3 and the springs 7 with different dimensions, a rubber ring 13 is arranged in the long circular tube 12, a fixed block 14 is arranged on the inner ring, a fastening screw 15 is arranged on the fixed block 14, a plurality of small circular holes are arranged on the outer ring, a first limiting piece 2 and a second limiting piece 6 are arranged in the small circular holes, the outer ring is respectively connected with one end of a damping buffer 3 and one end of a spring 7 through the first limiting piece 2 and the second limiting piece 6, a plurality of small circular holes are arranged on the small circular holes so as to adapt to the damping buffers 3 and the springs 7 with different specifications and sizes by adjusting different installation positions of the first limiting piece 2 and the second limiting piece 6, a circular hole is arranged on the inner ring, a lower rotating shaft 4 and a front rotating shaft 8 are arranged on the circular holes, the lower rotating shaft 4 and the front rotating shaft 8 are respectively connected with the other ends of the damping buffer 3 and the spring 7, an inner circular ring groove with an arc-shaped cross section, the rubber ring 13 that sets up in the long pipe 12 is two semicircle pipe designs along axial length direction, and fixed block 14 sets up along the outer edge of ring groove, and the 15 ends of fastening screw that set up in fixed block 14 can direct action on the 12 outer walls of long pipe to play the effect of fastening to long pipe 12.

When the utility model is used, the outer ring and the inner ring are respectively opened firstly, because one end of the outer ring and one end of the inner ring are respectively connected through the screw and the other end is hinged through the hinge, therefore, the end connected with the screw is opened, the outer ring and the inner ring can rotate under the action of the hinge, so that the outer ring and the inner ring are opened at a certain angle like a fan, meanwhile, the rotating sleeve 9, the long round pipe 12 and the rubber ring 13 are respectively designed for a semi-circular pipe assembly and are sequentially opened, at the moment, when the outer ring and the inner ring are opened, the inhaul cable 01 can be placed in the rubber ring 13, after the rubber ring 13, the long circular tube 12 and the rotating sleeve 9 are sequentially combined, one end of the inner ring and one end of the outer ring are connected through the screws, at the moment, the inhaul cable 01 is arranged in the inner wall of the rubber ring 13, meanwhile, the fixing block 14 arranged on the inner ring is matched with the fastening screw 15, so that the rotating sleeve 9 is fastened through the fastening screw 15. Because the inhaul cable 01 is inclined in use, the inner ring has an axial center lateral torsion force relative to the outer ring after the inhaul cable 01 is installed, the rotating sleeve 9 is used for solving the problem, the outer arc surface of the rotating sleeve 9 is in contact with the center of the inner ring through an arc spherical surface, so that the inclination problem of the inhaul cable 01 is solved after the inhaul cable 01 is installed on the inhaul cable 01, the rotating sleeve 9 is fastened through the matching of the fixing block 14 and the fastening screw 15 under the balance of self gravity, at the moment, the rubber ring 13 arranged in the long round pipe is fastened firmly through the action of the bolt 20 arranged on the long round pipe 12, and the rubber ring 13 can fasten the inhaul cable 01 firmly.

The damping buffer 3 of the present invention is a mature supporting product in the market, such as a series of buffers produced by Nippon Binji company, which is a proxy of fortune Collection, Laitai library, trade Limited, wherein the damping buffer whose model is FK-2016L is based on the principle of hydraulic buffering, and the cylinder barrel of the cylinder shaft has a buffering process of relative motion of external stress. The double door is often seen in the market, and when the double door is closed after being opened, the double door is closed slowly, but is not closed quickly, the effect of the accessory of the buffer is utilized, and the hydraulic rod or the pneumatic rod of the trunk of the automobile enables the trunk door to be opened or closed slowly through the principle of damping.

Therefore, the utility model discloses under outer loop and inner ring pass through damping buffer and spring coupling's effect, through the effect of damping buffer and spring under decompose, release, conversion, absorb the vibration effect that the cable that the inner ring was installed brought, and the circular arc groove that sets up through the inner ring realizes rotating the adaptation effect that the cover axle center and the change of inner ring axle center contained angle adapt to under the cable slope condition with the cooperation of rotating the cover.

Claims

1. The utility model provides a attenuator structure that is used for bridge suspension cable and arranges along the cable length which characterized in that: the damping device comprises an outer ring and an inner ring which is arranged in the outer ring and is concentric with the outer ring, wherein the outer ring is connected with the inner ring through a plurality of damping buffers (3) and springs (7) which are arranged along the circumferential direction;

the outer ring comprises an outer right half ring (1) and an outer left half ring (17), one end of the outer right half ring (1) and one end of the outer left half ring (17) are connected through an outer bolt (19), and the other end of the outer right half ring (1) and the other end of the outer left half ring are hinged through an outer hinge (11);

the inner ring comprises an inner right half ring (5) and an inner left half ring (16), one end of the inner right half ring (5) and one end of the inner left half ring (16) are connected through an inner screw (18), the other end of the inner right half ring is hinged through an inner hinge (10), and the outer ring is provided with a plurality of first limiting parts (2) and second limiting parts (6) which are used for installing a damping buffer (3) and a spring (7) respectively;

the inner ring is characterized in that a rotating sleeve (9) is arranged in the center of the inner ring, a long round pipe (12) is arranged in the rotating sleeve (9), a rubber ring (13) is arranged in the long round pipe (12), a fixed block (14) is arranged on the inner ring, and a fastening screw (15) is arranged on the fixed block (14).

2. The damper structure for a stay cable of a bridge according to claim 1, wherein the damper structure is arranged along a cable length of the stay cable, and comprises: be provided with a plurality of little round holes on the outer loop, be provided with first locating part (2) and second locating part (6) in the little round hole, just the outer loop through first locating part (2) with second locating part (6) respectively with damping buffer (3) are connected with spring (7) one end, the little round hole is provided with a plurality ofly so that the different specification and dimension's damping buffer (3) and spring (7) are adapted to the mounted position of difference through adjustment first locating part (2) and second locating part (6), be provided with the round hole on the inner ring, be provided with down pivot (4) and preceding pivot (8) on the round hole, just pivot (4) down with preceding pivot (8) respectively with damping buffer (3) are connected with the other end of spring (7).

3. The damper structure for a stay cable of a bridge according to claim 1, wherein the damper structure is arranged along a cable length of the stay cable, and comprises: the cross-section is seted up at the inner ring center and is curved interior circular ring groove, long pipe (12) that interior circular ring groove set up are two semicircle pipe designs on axial length direction, rubber circle (13) that set up in long pipe (12) are two semicircle pipe designs on axial length direction, fixed block (14) set up the ring groove is followed outward, sets up fastening screw (15) end in fixed block (14) can direct action on long pipe (12) outer wall, so that it is right long pipe (12) play the effect of fastening.

4. The damper structure for a stay cable of a bridge according to claim 1, wherein the damper structure is arranged along a cable length of the stay cable, and comprises: the joint of the first limiting piece (2), the second limiting piece (6) and the outer ring can be in threaded connection or interference connection.

5. The damper structure for a stay cable of a bridge according to claim 1, wherein the damper structure is arranged along a cable length of the stay cable, and comprises: the outer end parts of the first limiting part (2) and the second limiting part (6) are provided with round holes or openings for installing the first limiting part (2) and the second limiting part (6) in a process, and the round holes or the openings are perpendicular to the axial direction of the first limiting part (2) and the second limiting part (6).

6. The damper structure for a stay cable of a bridge according to claim 2, wherein the damper structure is arranged along a cable length of the stay cable, and comprises: the lower rotating shaft (4) and the joint of the front rotating shaft (8) and the inner ring can be in interference fit or in threaded connection.

7. The damper structure for a stay cable of a bridge according to claim 1, wherein the damper structure is arranged along a cable length of the stay cable, and comprises: the inner wall of the long round pipe (12) is provided with a plurality of grooves along the circumferential direction of the long round pipe (12), so that the rubber ring (13) arranged on the inner wall of the long round pipe (12) and the long round pipe (12) can achieve a relatively stable effect.

8. The damper structure for a stay cable of a bridge according to claim 1, wherein the damper structure is arranged along a cable length of the stay cable, and comprises: the inner wall of the rubber ring (13) is provided with a plurality of grooves along the circumferential direction of the rubber ring (13), so that the inhaul cable (01) arranged on the inner wall of the rubber ring (13) and the rubber ring (13) can achieve a relatively stable effect in use.

9. The damper structure for a stay cable of a bridge according to claim 1, wherein the damper structure is arranged along a cable length of the stay cable, and comprises: the cross-sectional shape of the inner wall of the rubber ring (13) and along the length direction of the rubber ring (13) is provided with a wave form, so that the inhaul cable (01) arranged on the inner wall of the rubber ring (13) and the rubber ring (13) can achieve a relatively stable effect in use.

10. The damper structure for a stay cable of a bridge according to claim 1, wherein the damper structure is arranged along a cable length of the stay cable, and comprises: the long circular tube (12) side wall is opened and is had a plurality of screw holes, the screw hole is provided with bolt (20), bolt (20) end direct action is on rubber circle (13) to prevent long circular tube (12) and rubber circle (13) and skid relatively, thereby ensure the relatively stable effect of long circular tube (12) and rubber circle (13).