阅读说明：本技术 一种设置拉索支座的高墩桥梁减隔震结构 (High pier bridge seismic isolation structure with inhaul cable support ) 是由 朱锋 于 2020-12-30 设计创作，主要内容包括：本发明提供一种设置拉索支座的高墩桥梁减隔震结构,包括拉索支座；所述拉索支座顶部固定连接有顶部连接机构；所述顶部连接机构顶部内侧前后两端左右对称设置有减震机构；所述减震机构底部铰连接有二次隔震机构。减震机构和二次隔震机构的设置,有利于提高减隔震装置的实用性,支撑架与底部连接架的之间的转动杆和连接杆之间与弹簧组成的减震机构可进行二次减震,以及二次隔震机构的底部连接架会带动连接滑块整体向右移动,同时连接滑块底部与阻尼器相连接,进而实现该装置的二次隔震,使减隔震装置进行二次缓冲,实现了双重减震隔震,进而提高减隔震装置的结构强度,桥梁隔震效果与减震效果较为均衡,减隔震效果得到有效的提高。(The invention provides a high pier bridge seismic isolation structure provided with a stay cable support, which comprises the stay cable support; the top of the inhaul cable support is fixedly connected with a top connecting mechanism; the front end and the rear end of the inner side of the top connecting mechanism are symmetrically provided with damping mechanisms; and the bottom of the damping mechanism is hinged with a secondary shock insulation mechanism. Shock-absorbing mechanism and secondary shock insulation mechanism's setting, be favorable to improving shock isolation device's practicality, shock-absorbing mechanism who constitutes with the spring between dwang and the connecting rod between support frame and the bottom link can carry out the secondary shock attenuation, and the bottom link of secondary shock insulation mechanism can drive link block whole right removal, link block bottom is connected with the attenuator simultaneously, and then realize the device's secondary shock insulation, make shock-absorbing isolation device carry out the secondary buffering, dual shock attenuation shock insulation has been realized, and then improve shock isolation device's structural strength, bridge shock insulation effect is comparatively balanced with the shock attenuation effect, shock attenuation and isolation effect obtains effectual improvement.)

1. The utility model provides a set up high mound bridge of cable support and subtract shock insulation structure which characterized in that: comprises a stay cable support (1); the top of the inhaul cable support (1) is fixedly connected with a top connecting mechanism (2); the front end and the rear end of the inner side of the top connecting mechanism (2) are symmetrically provided with damping mechanisms (3) at the left and right sides; the bottom of the shock absorption mechanism (3) is hinged with a secondary shock insulation mechanism (4); the secondary shock insulation mechanism (4) comprises a fixed sliding rod (401), a connecting sliding block (402), a damper (403) and a linkage plate (404), the connecting sliding block (402) is arranged at the top of the fixed sliding rod (401) in a sliding mode, the damper (403) is fixedly arranged on the inner side of the fixed sliding rod (401), the linkage plate (404) is arranged on the left side of the top of the connecting sliding block (402) in a sliding mode, and the bottom of the connecting sliding block (402) is fixedly connected with one end of the damper (403); the bottom of the secondary shock insulation mechanism (4) is fixedly connected with the inner side of the bottom of the inhaul cable support (1); and an inspection connecting mechanism (5) is fixedly connected between the inhaul cable support (1) and the two sides of the top connecting mechanism (2) through bolts.

2. The high pier bridge seismic isolation structure provided with the stay cable support according to claim 1, wherein: cable support (1) is including bottom suspension fagging (101), anchor bolt (102) down, fixed block (103), connecting block (104) and mounting groove (105), bottom suspension fagging (101) left and right sides longitudinal symmetry is provided with four fixed blocks (103), anchor bolt (102) have all been alternate at the top of fixed block (103) down, bottom suspension fagging (101) both sides longitudinal symmetry is provided with four transverse connection groove, the inboard equal slip of this transverse connection groove is provided with connecting block (104), bottom suspension fagging (101) bottom inboard longitudinal symmetry is provided with four mounting grooves (105), impartial distance is provided with two sets of circular ports around bottom suspension fagging (101).

3. The high pier bridge seismic isolation structure provided with the stay cable support according to claim 1, wherein: top coupling mechanism (2) is including going up backup pad (201), go up anchor bolt (202), longitudinal connecting hole (203) and shock insulation layer (204), it is fixed in backup pad (201) top inboard intermediate position is provided with shock insulation layer (204) to go up backup pad (201) top front and back both sides bilateral symmetry is provided with four and goes up anchor bolt (202), it is provided with four longitudinal connecting hole (203) to go up backup pad (201) bottom both sides front and back symmetry, under the mounted state, shock insulation layer (204) bottom and the inboard intermediate position fixed connection in backup pad (101) bottom, it is inboard at backup pad (101) to go up backup pad (201) movable mounting, and connecting block (104) slide to set up the inboard at longitudinal connecting hole (203).

4. The high pier bridge seismic isolation structure provided with the stay cable support according to claim 1, wherein: damper (3) are including support frame (301), bottom link (302), anticorrosive coating (303), dwang (304) and connecting rod (305), support frame (301) bottom hinged joint has one bottom link (302), bottom link (302) right-hand member top hinged joint has dwang (304), support frame (301) top hinged joint has connecting rod (305), and connecting rod (305) right side bottom activity is embedded into the top of dwang (304) and is provided with damping spring between the two, dwang (304) and connecting rod (305) outside cover are equipped with anticorrosive coating (303), under the installation, support frame (301) top and the inboard fixed connection in last backup pad (201) top.

5. The high pier bridge seismic isolation structure provided with the stay cable support according to claim 1, wherein: the fixed slide bar (401) is symmetrically provided with two guide grooves in the front and back direction, two bulges are symmetrically arranged in the front and back direction of the inner side of the bottom of the connecting slide block (402), the bulges can reciprocate left and right along the inner side of the guide grooves of the fixed slide bar (401), a bulge block is fixedly arranged in the middle position of the top of the inner side of the slide block, the bulge block is fixedly connected with the tail end of a damping rod of the damper (403), the left side of the top of the connecting slide block (402) is provided with a limiting guide groove with a T-shaped section, and the linkage plate (404) can reciprocate left and right along the.

6. The high pier bridge seismic isolation structure provided with the stay cable support according to claim 1, wherein: the secondary shock insulation mechanism (4) further comprises a transmission rod (405), a connecting boss (406) and a rotating connecting seat (407), the rotating connecting seat (407) is fixedly arranged on the right side of the top of the connecting slide block (402), the transmission rod (405) is hinged to the top of the connecting slide block (402), the connecting bosses (406) are symmetrically arranged on the left and right sides of the bottom of the fixed slide rod (401), the top of the transmission rod (405) is hinged to the middle position of the left side of the bottom connecting frame (302) in the installation state, the top of the rotating connecting seat (407) is connected with the right side of the bottom connecting frame (302), and the fixed slide rod (401) and the connecting boss (406) are fixedly arranged on the inner side.

7. The high pier bridge seismic isolation structure provided with the stay cable support according to claim 1, wherein: inspection coupling mechanism (5) is including cable (501), installation piece (502), detect bolt (503) and fixed sliding plate (504), installation piece (502) of the equal fixedly connected with in cable (501) top and bottom, two installation piece (502) relative one sides all slide through detecting bolt (503) and be provided with fixed sliding plate (504), and installation piece (502) have all been seted up the capable groove of strip, installation piece (502) right side is provided with the bar guide slot, spacing bar groove has been seted up on fixed sliding plate (504) left side, under the installation status, two installation piece (502) respectively with last backup pad (201) and bottom suspension fagging (101) fixed connection.

Technical Field

The invention belongs to the technical field of bridge shock insulation, and particularly relates to a high pier bridge shock absorption and isolation structure with a stay cable support.

Background

The bridge is an important component of life line engineering, the importance of the bridge is more obvious for emergency rescue and earthquake relief after an earthquake happens, more and more high pier bridges are widely applied in the areas along with the rapid construction of highways and railways in the southwest and northwest mountain areas of China and the development of urban viaducts, and the pier heights are higher and higher. Particularly, in mountain road construction, due to the complex terrain and the steep hill height, many bridges have to cross river valleys and deep ditches, and many of the bridges adopt simple girder bridges with different spans of 20-50 m or continuous girder bridges with 2-7 spans in one connection, or large-span continuous rigid structures, and the height of the bridge piers is usually as high as tens of meters or even hundreds of meters. With the acceleration of high-grade highway construction in the future, the application of high piers is increasing. The seismic design of high pier bridges is always a problem concerned by the engineering world at home and abroad.

For example, application No.: the invention discloses a high pier bridge seismic isolation and reduction structure with a guy cable support, which comprises a bearing platform, a lower pier body, an upper pier body and a beam body which are sequentially overlapped from bottom to top. The invention also comprises a guy cable support arranged on the butt joint surface of the lower pier body and the upper pier body, wherein the upper pier body is superposed on the lower pier body through the guy cable support. The invention can enhance the energy consumption, shock absorption and limiting capability of a bridge system, simultaneously improve the adaptability of the high pier bridge adopting the shock absorption and isolation technology, and reduce or avoid the generation of shock damage, is suitable for railway bridges, highway bridges and urban viaducts, particularly high-intensity areas, and has excellent shock resistance.

For another example, application No.: the invention discloses a damping bridge, CN106436555B, which comprises a bridge deck body, a bridge pier seat and a support column; the bottom surface of the bridge surface body forms a cylindrical groove with a conformal upper cover covering the top end of the support column; the bridge pier seat comprises a cylindrical seat body and a damping assembly arranged on the cylindrical seat body, and the support column is arranged in a cylindrical cavity in the cylindrical seat body and realizes damping under the action of the damping assembly; the anti-seismic performance of the bridge is strong in self-adaption, simple and stable in structure, convenient to install, capable of being used repeatedly, good in economical efficiency

Based on the retrieval of above-mentioned patent, and combine the equipment discovery among the prior art, above-mentioned equipment is when using, only carry out shock attenuation shock insulation through rubber shock insulation layer to the bridge, when the bridge rocks, lead to bridge shock insulation effect and shock attenuation effect unbalanced easily, it can not carry out the secondary buffering to subtract shock insulation device, make and subtract shock insulation device structural strength lower, the shock attenuation effect is low, because the bridge produces rocks and long-time erosion, shock insulation structure need carry out the position spacing through the cable, the easy corrosion condition that appears of cable junction just is difficult to observe, can bring the potential safety hazard for bridge structures.

Disclosure of Invention

In order to solve the technical problems, the invention provides a high pier bridge seismic isolation structure with a stay cable support, and aims to solve the problems that the conventional seismic isolation device only performs seismic isolation and shock absorption on a bridge through a rubber seismic isolation layer, when the bridge shakes, the bridge seismic isolation effect and the shock absorption effect are unbalanced easily, the seismic isolation device cannot perform secondary buffering, the structural strength of the seismic isolation device is low, the seismic isolation device is low in seismic isolation effect, the bridge shakes and erodes for a long time, the position of the seismic isolation structure needs to be limited through a stay cable, the corrosion condition of the joint of the stay cable is easy to occur, the position is not easy to observe, and potential safety hazards can be brought to the bridge structure.

The invention relates to a purpose and an effect of a high pier bridge seismic isolation structure with a stay cable support, which are achieved by the following specific technical means:

a high pier bridge seismic isolation structure provided with stay cable supports comprises the stay cable supports; the top of the inhaul cable support is fixedly connected with a top connecting mechanism; the front end and the rear end of the inner side of the top connecting mechanism are symmetrically provided with damping mechanisms; the bottom of the shock absorption mechanism is hinged with a secondary shock insulation mechanism; the secondary shock insulation mechanism comprises a fixed sliding rod, a connecting sliding block, a damper and a linkage plate, wherein the top of the fixed sliding rod is provided with the connecting sliding block in a sliding manner, the inner side of the fixed sliding rod is fixedly provided with the damper, the left side of the top of the connecting sliding block is provided with the linkage plate in a sliding manner, and the bottom of the connecting sliding block is fixedly connected with one end of the damper; the bottom of the secondary shock insulation mechanism is fixedly connected with the inner side of the bottom of the inhaul cable support; and the inspection connecting mechanism is fixedly connected between the inhaul cable support and the two sides of the top connecting mechanism through bolts.

Furthermore, the inhaul cable support comprises a lower support plate, lower anchor bolts, fixed blocks, connecting blocks and mounting grooves, four fixed blocks are symmetrically arranged on the front and back of the left side and the right side of the lower support plate, the top of each fixed block is inserted with one lower anchor bolt, four transverse connecting grooves are symmetrically arranged on the front and back of the two sides of the lower support plate, the connecting blocks are arranged on the inner sides of the transverse connecting grooves in a sliding manner, four mounting grooves are symmetrically arranged on the front and back of the inner side of the bottom of the lower support plate, and two groups of circular holes;

further, the top connecting mechanism comprises an upper supporting plate, upper anchoring bolts, longitudinal connecting holes and a shock insulation layer, the shock insulation layer is fixedly arranged at the middle position of the inner side of the top of the upper supporting plate, the four upper anchoring bolts are symmetrically arranged on the front side and the rear side of the top of the upper supporting plate in a bilateral mode, the four longitudinal connecting holes are symmetrically arranged on the front side and the rear side of the bottom of the upper supporting plate in a front-rear mode, the bottom of the shock insulation layer is fixedly connected with the middle position of the inner side of the bottom of the lower supporting plate in an installation state, the upper supporting plate is;

furthermore, the damping mechanism comprises a support frame, a bottom connecting frame, an anticorrosive layer, a rotating rod and a connecting rod, wherein the bottom of the support frame is hinged with the bottom connecting frame, the top of the right end of the bottom connecting frame is hinged with the rotating rod, the top of the support frame is hinged with the connecting rod, the bottom of the right side of the connecting rod is movably embedded into the top of the rotating rod, a damping spring is arranged between the rotating rod and the connecting rod, the anticorrosive layer is sleeved outside the rotating rod and the connecting rod, and the top of the support frame is fixedly connected with the inner side of the top;

furthermore, two guide grooves are symmetrically formed in the front and back of the fixed sliding rod, two bulges are symmetrically formed in the front and back of the inner side of the bottom of the connecting sliding block, the bulges can reciprocate left and right along the inner sides of the guide grooves of the fixed sliding rod, a bulge block is fixedly arranged in the middle of the top of the inner side of the sliding block, the bulge block is fixedly connected with the tail end of a damping rod of the damper, a limiting guide groove with a T-shaped section is formed in the left side of the top of the connecting sliding block, and the linkage plate can reciprocate left and right along the inner part;

furthermore, the secondary shock insulation mechanism also comprises a transmission rod, a connecting bulge and a rotating connecting seat, the rotating connecting seat is fixedly arranged on the right side of the top of the connecting slide block, the transmission rod is hinged to the top of the connecting slide block, the connecting bulges are symmetrically arranged on the left and right sides of the bottom of the fixed slide rod, the top of the transmission rod is hinged to the middle position of the left side of the bottom connecting frame in the installation state, the top of the rotating connecting seat is connected with the right side of the bottom connecting frame, and the fixed slide rod and the connecting bulge are fixedly arranged on the;

further, check coupling mechanism is including cable, installation piece, detection bolt and fixed sliding plate, installation piece of the equal fixedly connected with in cable top and bottom, and the relative one side of two installation pieces all is provided with the fixed sliding plate through detecting the bolt slip, and the installation piece has all seted up a groove of going, and the installation piece right side is provided with the bar guide slot, and spacing bar groove has been seted up in fixed sliding plate left side, and under the installation state, two installation pieces respectively with last backup pad and bottom suspension fagging fixed connection.

Compared with the prior art, the invention has the following beneficial effects:

the arrangement of the shock absorption mechanism and the secondary shock absorption mechanism is favorable for improving the practicability of the shock absorption and isolation device, the vibration and the pressure on the bridge and the shaking generated by a high pier can be transmitted to a shock absorption layer through an upper supporting plate and a lower supporting plate, the shock absorption layer can effectively absorb shock and absorb part of shock, then part of the pressure can carry out secondary shock absorption through the shock absorption mechanism consisting of a rotating rod and a connecting rod between a supporting frame and a bottom connecting frame and a spring, the stress of the shock absorption and isolation is further dispersed, the strength of the device is increased, the bottom connecting frame can rotate, the rear side of the bottom connecting frame drives a linkage plate to move leftwards on the top of a connecting slide block through a transmission rod, the bottom connecting frame can drive the connecting slide block to move rightwards integrally, the bottom of the connecting slide block is connected with a damper, the secondary shock absorption and isolation of the device is further realized, and then improve and subtract shock insulation device's structural strength, the bridge shock insulation effect is comparatively balanced with the shock attenuation effect, subtracts the shock insulation effect and obtains effectual improvement.

Detect being provided with of bolt and fixed sliding plate, be favorable to improving the security that subtracts isolation mounting, when subtracting isolation mounting periodic inspection, detect the bolt through the rotation of outside instrument, it is not hard up to fix the sliding plate, then promote fixed sliding plate, observe the corruption condition of cable junction through the bar groove on the installation piece, reduce because the bridge produces rocks and long-time erosion, the cable that leads to produces and damages and corrodes, fixed sliding plate makes the easy difficult observation of cable junction, and then improve the security that subtracts isolation mounting.

Drawings

Fig. 1 is a schematic axial view of the present invention.

FIG. 2 is a schematic axial side view of the cable support of the present invention.

Fig. 3 is a schematic bottom side view of the top attachment mechanism of the present invention.

Fig. 4 is a schematic side sectional view of the damper mechanism of the present invention.

FIG. 5 is a schematic axial side structure of the secondary seismic isolation mechanism of the present invention.

FIG. 6 is a schematic side sectional view of the secondary seismic isolation mechanism of the present invention after partial disassembly.

FIG. 7 is a schematic axial side view of the inspection connection of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a stay cable support; 101. a lower support plate; 102. a lower anchor bolt; 103. a fixed block; 104. connecting blocks; 105. mounting grooves; 2. a top connection mechanism; 201. an upper support plate; 202. an upper anchor bolt; 203. a longitudinal connecting hole; 204. a seismic isolation layer; 3. a damping mechanism; 301. a support frame; 302. a bottom connecting frame; 303. an anticorrosive layer; 304. rotating the rod; 305. a connecting rod; 4. a secondary shock isolation mechanism; 401. fixing the sliding rod; 402. connecting the sliding block; 403. a damper; 404. a linkage plate; 405. a transmission rod; 406. a connecting projection; 407. rotating the connecting seat; 5. checking the connection mechanism; 501. a cable; 502. mounting blocks; 503. detecting the bolt; 504. the sliding plate is fixed.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly fixed or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 7:

the invention provides a high pier bridge seismic isolation structure provided with a stay cable support, which comprises a stay cable support 1; the top of the inhaul cable support 1 is fixedly connected with a top connecting mechanism 2; the front end and the rear end of the inner side of the top connecting mechanism 2 are symmetrically provided with damping mechanisms 3; the bottom of the damping mechanism 3 is hinged with a secondary shock insulation mechanism 4; the secondary shock isolation mechanism 4 comprises a fixed sliding rod 401, a connecting sliding block 402, a damper 403 and a linkage plate 404, wherein the connecting sliding block 402 is arranged at the top of the fixed sliding rod 401 in a sliding manner, the damper 403 is fixedly arranged on the inner side of the fixed sliding rod 401, the linkage plate 404 is arranged on the left side of the top of the connecting sliding block 402 in a sliding manner, and the bottom of the connecting sliding block 402 is fixedly connected with one end of the damper 403; the bottom of the secondary shock insulation mechanism 4 is fixedly connected with the inner side of the bottom of the inhaul cable support 1; an inspection connecting mechanism 5 is fixedly connected between the two sides of the inhaul cable support 1 and the top connecting mechanism 2 through bolts.

Wherein, cable support 1 is including bottom suspension fagging 101, anchor bolt 102 down, fixed block 103, connecting block 104 and mounting groove 105, bottom suspension fagging 101 left and right sides longitudinal symmetry is provided with four fixed blocks 103, anchor bolt 102 down has all been alternate at the top of fixed block 103, bottom suspension fagging 101 both sides longitudinal symmetry is provided with four transverse connection grooves, the inboard of this transverse connection groove all slides and is provided with connecting block 104, bottom suspension fagging 101 bottom inboard longitudinal symmetry is provided with four mounting grooves 105, impartial distance is provided with two sets of circular ports around the bottom suspension fagging 101, can be with cable support 1 and pier fixed connection through being provided with anchor bolt 102 down.

Wherein, top coupling mechanism 2 is including going up backup pad 201, go up anchor bolt 202, longitudinal connecting hole 203 and shock insulation layer 204, it is provided with shock insulation layer 204 to go up backup pad 201 top inboard intermediate position fixed, it is provided with four anchor bolt 202 to go up backup pad 201 top front and back bilateral symmetry, it is provided with four longitudinal connecting hole 203 to go up backup pad 201 bottom both sides front and back symmetry, under the installation status, shock insulation layer 204 bottom and the inboard intermediate position fixed connection in bottom sprag 101, it is inboard at bottom sprag 101 to go up backup pad 201 movable mounting, and connecting block 104 slides and sets up the inboard at longitudinal connecting hole 203, spacing effect and the structural strength that can effectual improvement device through the connecting block 104 cooperation on longitudinal connecting hole 203 and the bottom sprag 101.

Wherein, damper 3 is including support frame 301, bottom link 302, anticorrosive coating 303, dwang 304 and connecting rod 305, support frame 301 bottom hinged joint has a bottom link 302, bottom link 302 right-hand member top hinged joint has dwang 304, support frame 301 top hinged joint has connecting rod 305, and connecting rod 305 right side bottom activity is embedded into the top of dwang 304 and is provided with damping spring between the two, dwang 304 and connecting rod 305 outside cover are equipped with anticorrosive coating 303, under the installation status, the inboard fixed connection in support frame 301 top and last backup pad 201 top, can effectual improvement and balancing unit's shock attenuation effect through setting up damper 3.

Wherein, the fixed slide bar 401 is symmetrically provided with two guide grooves around, the connecting slide block 402 bottom inboard is symmetrically provided with two archs around, this arch can be along the inboard reciprocating motion about the guide groove of fixed slide bar 401, and the inboard top intermediate position of slider is fixed and is provided with a protruding piece, this protruding piece is connected with the terminal fixed connection of damping rod of attenuator 403, the spacing guide groove that the cross-section is T shape is seted up on connecting slide block 402 top left side, linkage plate 404 can be along the inside reciprocating motion about the spacing guide groove, the shock insulation effect of effectual improvement device of cooperation through fixed slide bar 401 and connecting slide block 402.

The secondary vibration isolation mechanism 4 further comprises a transmission rod 405, a connecting boss 406 and a rotating connecting seat 407, the rotating connecting seat 407 is fixedly arranged on the right side of the top of the connecting slider 402, the transmission rod 405 is hinged to the top of the connecting slider 402, the connecting bosses 406 are symmetrically arranged on the left and right sides of the bottom of the fixed sliding rod 401, the top of the transmission rod 405 is hinged to the middle position of the left side of the bottom connecting frame 302 in the installation state, the top of the rotating connecting seat 407 is connected with the right side of the bottom connecting frame 302, and the fixed sliding rod 401 and the connecting boss 406 are fixedly arranged on the inner side.

Wherein, the inspection coupling mechanism 5 is including cable 501, installation piece 502, detect bolt 503 and fixed sliding plate 504, installation piece 502 of the equal fixedly connected with in cable 501 top and bottom, two one sides that installation piece 502 is relative all slide through detecting bolt 503 and be provided with fixed sliding plate 504, and installation piece 502 has all seted up the strip and has gone the groove, installation piece 502 right side is provided with the bar guide slot, spacing bar groove has been seted up on fixed sliding plate 504 left side, under the installation state, two installation pieces 502 respectively with last backup pad 201 and bottom suspension fagging 101 fixed connection, it is convenient for inspect cable 501 to detect bolt 503 and fixed sliding plate 504's setting.

The specific use mode and function of the embodiment are as follows:

in the invention, when in use, the lower anchor bolts 102 on the lower support plate 101 and the upper anchor bolts 202 on the upper support plate 201 are respectively fixedly connected with the top of a high pier and the bottom of a bridge, when an earthquake occurs, vibration generated at the bottom of a pier and vibration isolation and shock absorption generated at two ends of the bridge or supported by the guy cable 501 are carried out, the upper support plate 201 can rock at the inner side of the lower support plate 101, the connecting block 104 can slide at one part of the transverse connecting hole of the lower support plate 101 and the longitudinal connecting hole 203 of the upper support plate 201, the connecting block 104 can carry out maximum limit support by matching with the guy cable 501, vibration and pressure on the bridge and vibration isolation generated by the high pier can be transmitted to the vibration isolation layer 204 through the upper support plate 201 and the lower support plate 101, the vibration isolation layer 204 carries out effective vibration isolation and partial shock absorption, and partial pressure can carry out secondary shock absorption through the shock absorption mechanism 3 consisting of the spring between the rotating, and then disperse the atress of subtracting the shock insulation, increase the device intensity, bottom link 302 can rotate simultaneously, bottom link 302 rear side passes through transfer line 405 and drives linkage plate 404 and remove left at link block 402 top left side, bottom link 302 can drive link block 402 whole and remove right, link block 402 bottom is connected with attenuator 403 simultaneously, and then realize the secondary shock insulation of the device, the above setting has realized dual shock attenuation shock insulation effect, and then improve the mechanism intensity of subtracting the shock insulation, when subtracting the shock insulation and regularly checking, detect bolt 503 through the rotation of external tool, it is not hard up to fix sliding plate 504, then promote fixed sliding plate 504, then observe the corruption condition of cable 501 junction through the bar groove on installation piece 502 can.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.