CN215801034U

CN215801034U - Bridge stay cable anchoring end corrosion prevention device

Info

Publication number: CN215801034U
Application number: CN202122177073.6U
Authority: CN
Inventors: 韩明洋; 尹华; 董东升; 施海涛; 杜隆基
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-11
Anticipated expiration: 2031-09-09

Abstract

The utility model provides an anticorrosion device for an anchoring end of a bridge stay cable, which comprises two groups of mounting shells, wherein one ends of the two groups of mounting shells are connected through a rotating shaft, the other ends of the two groups of mounting shells are connected through two groups of fixing components, the two groups of mounting shells are respectively provided with a threaded sleeve connected through an annular baffle, one side of each of the two groups of threaded sleeves is provided with a threaded ring, the inner side of each threaded ring is provided with an antiskid pad, the bottom of each threaded ring is provided with an anti-falling plate, the two groups of threaded rings are oppositely arranged and can be combined to form a complete threaded pipeline, threads of the threaded rings are matched with internal threads of the threaded sleeves, sealing components are arranged in the two groups of mounting shells, the two groups of fastening shells are sleeved on the two groups of threaded sleeves, and one ends of the two groups of fastening shells are respectively provided with an elongated protective sleeve. The anti-corrosion device is stronger in sealing performance, can effectively prevent external water from entering the interior of the anti-corrosion device and corroding the stay cable, and is convenient to install and disassemble and higher in practicability.

Description

Bridge stay cable anchoring end corrosion prevention device

Technical Field

The utility model belongs to the technical field of stay cable anticorrosion, and particularly relates to an anticorrosion device for an anchoring end of a bridge stay cable.

Background

The cable-stayed bridge is a bridge with a main beam directly pulled on a bridge tower by a plurality of stay cables and consists of a beam, a stay cable and a tower column. The cable-stayed bridge is a self-anchored system, and the horizontal force of a stay cable is borne by a beam. The beam is supported not only on the abutment but also on the stay cables drawn out from the pylon. Therefore, compared with a beam bridge, the cable-stayed bridge has larger spanning capability and stronger and more uniform bearing capacity and is widely used.

The stay cable is in a special use environment and condition, so that the corrosion phenomenon is serious. According to the actual inspection of the use and accident state of the stay cable, the protection failure of the stay cable system often occurs at the end part because the part is inconvenient to inspect and maintain due to structural limitation after being installed. Therefore, the anticorrosion and waterproof property of the anchor end of the stay cable should be paid attention and paid attention as the key point of protection.

And present anticorrosive mode to suspension cable anchor end is mostly for wrapping up around the cable body is curled through sealed gasbag, adopts compressed air or inert gas to fill the gasbag, gasbag pressurized inflation, and the host material forms flexible waterproof isolation layer between cable and steel pipe and is anticorrosive, but this kind of anticorrosion structure still probably leads to the rainwater to get into, and this kind of anticorrosion structure installation dismantlement is all very inconvenient, and the construction degree of difficulty is great, therefore people need a neotype anticorrosive device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides an anticorrosion device for an anchoring end of a bridge stay cable, which aims to solve the technical problems that most common anticorrosion devices for the stay cable are not strong enough in tightness and inconvenient to mount and dismount, so that the construction difficulty is high in the prior art.

The utility model relates to an anti-corrosion device for an anchoring end of a bridge stay cable, which has the purpose and the effect achieved by the following specific technical means:

the utility model provides a bridge suspension cable anchor end corrosion prevention device, is including two sets of installation shells, and is two sets of the one end of installation shell is connected through the pivot, and the other end is connected through two sets of fixed subassemblies, and is two sets of all be provided with the thread bush of connecting through ring baffle on the installation shell, and is two sets of one side of thread bush is provided with the screw thread ring, the inboard of screw thread ring is provided with the slipmat, the screw thread ring bottom is provided with the anticreep board, and is two sets of the screw thread ring sets up relatively, and is two sets of the screw thread ring can make up and form complete screw thread pipeline, the screw thread of screw thread ring with the interior screw-thread fit of screw thread bush, it is two sets of be provided with seal assembly in the installation shell, and is two sets of the cover is equipped with two sets of on the screw thread bush the one end of fastening shell all is provided with extension lag.

Furthermore, the fixing component comprises two groups of connecting plates fixedly arranged on one side of the mounting shell, wherein each two groups of connecting plates are internally provided with a group of first fixing bolts in a penetrating manner, and one end of each first fixing bolt is provided with a first fixing nut in a sleeved manner.

Further, seal assembly is including two sets of sealed arc boards, the bottom of sealed arc board is provided with waterproof seat, one side of waterproof seat with the bottom contact of installation shell, sealed arc board with waterproof seat is the rubber material.

Furthermore, be provided with supplementary sealing ring on the anticreep board, supplementary sealing ring sets up the anticreep board with between the ring baffle, supplementary sealing ring is the rubber material.

Furthermore, two ends of the bottom of the two groups of fastening shells are provided with connecting grooves, reinforcing ribs are arranged between the annular baffle and the threaded sleeves, the two groups of fastening shells are clamped on the two groups of reinforcing ribs through the two groups of connecting grooves respectively, one side of the connecting groove at the bottom of one group of the fastening shells is provided with a positioning column, the other group of the connecting groove at the bottom of the fastening shells is provided with a first positioning hole, the reinforcing ribs are provided with second positioning holes, and one end of each of the two groups of positioning columns penetrates through the second positioning holes and penetrates through the first positioning holes.

Furthermore, two groups of countersunk holes are formed in one group of the fastening shells, second fixing bolts penetrate through the countersunk holes, and the two groups of the fastening shells are connected through the two groups of the second fixing bolts.

Furthermore, the inner sides of the two groups of lengthened protective sleeves are provided with inflatable cushions, and the two groups of inflatable cushions are arranged oppositely.

Compared with the prior art, the utility model has the following beneficial effects:

1. this anticorrosive device is not hard up first fixing bolt when installing and is making two sets of installation shells rotate along the pivot and open, establish two sets of installation shell cover on the anchor end of suspension cable again, make waterproof seat and bridge ground contact, close two sets of installation shells and make two sets of screw rings press from both sides tight with the suspension cable through the slipmat, rethread first fixing bolt fixes two sets of installation shells, two sets of screw ring combinations form complete screw pipeline this moment, two sets of screw sleeves make up the screw pipeline of formation completion equally, it makes it move down along the screw ring to rotate two sets of installation shells again, it closely laminates with ground and seals the isolation to external and the device is inside, prevent that external water from getting into anticorrosive device inside and causing the erosion to the suspension cable.

2. The waterproof seat of rubber material can carry out appropriate cutting according to the shape on bridge ground and the slope situation of suspension cable, make it can be better with the ground laminating, install two sets of fastening shells after two sets of installation shells are installed again, prevent that the installation shell from producing the gap after using for a long time, set up the inflatable packer in the extension lag on two sets of fastening shells and be used for preventing that the rainwater from passing through the gap between screw thread ring and the thread bush and getting into inside this anticorrosive device, the waterproof and anticorrosive nature of the device has been improved, the life of the device has been increased simultaneously, this anticorrosive device's leakproofness is stronger, and it is all very convenient to install and dismantle, the practicality is higher.

Drawings

Fig. 1 is a schematic view of the assembled structure of the present invention.

FIG. 2 is a schematic diagram of the structure of the present invention after being disassembled.

Fig. 3 is a schematic view of the internal structure of a part of the assembly of the present invention.

Fig. 4 is an exploded schematic view of fig. 3.

Fig. 5 is an enlarged schematic view of the region a in fig. 2.

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

101. mounting a shell; 102. a rotating shaft; 103. an annular baffle; 104. a threaded sleeve; 105. a connecting plate; 106. A first fixing bolt; 107. a first fixing nut; 201. sealing the arc plate; 202. a waterproof seat; 203. an auxiliary seal ring; 301. a threaded ring; 302. an anti-drop plate; 303. a non-slip mat; 401. fastening the shell; 402. lengthening the protective sleeve; 403. connecting grooves; 404. a first positioning hole; 405. a positioning column; 406. a countersunk hole; 407. a second fixing bolt; 408. an inflatable cushion; 501. reinforcing ribs; 502. and a second positioning hole.

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 technical solutions of the present invention, but should not be construed to limit the scope of the present invention.

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 is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable 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 5:

the utility model provides an anticorrosion device for an anchoring end of a stay cable of a bridge, which comprises two groups of mounting shells 101, wherein one ends of the two groups of mounting shells 101 are connected through a rotating shaft 102, the other ends of the two groups of mounting shells 101 are connected through two groups of fixing components, threaded sleeves 104 connected through an annular baffle plate 103 are arranged on the two groups of mounting shells 101, threaded rings 301 are arranged on one sides of the two groups of threaded sleeves 104, anti-slip pads 303 are arranged on the inner sides of the threaded rings 301, anti-slip plates 302 are arranged at the bottoms of the threaded rings 301, the two groups of threaded rings 301 are arranged oppositely, the two groups of threaded rings 301 can be combined to form a complete threaded pipeline, threads of the threaded rings 301 are matched with internal threads of the threaded sleeves 104, sealing components are arranged in the two groups of mounting shells 101, two groups of fastening shells 401 are sleeved on the two groups of threaded sleeves 104, and one ends of the two groups of fastening shells 401 are provided with lengthened protective sleeves 402.

One end of two sets of installation shell 101 can be followed pivot 102 and rotated, the fixed subassembly of other end accessible is fixed, set up thread bush 104 on the installation shell 101 and be used for installing thread ring 301, after two sets of installation shell 101 are closed and fixed, can rotate and make it reciprocate along thread ring 301, slipmat 303 that the inboard of thread ring 301 set up contacts with suspension cable (not shown in the figure), make thread ring 301 can fix on suspension cable and prevent that thread ring 301 from taking place the displacement on suspension cable, after installation shell 101 is closed, seal assembly seals the inside of installation shell 101, prevent that external rivers from getting into inside this corrosion prevention device, carry out anticorrosive water repellent to the anchor end of suspension cable, set up fastening shell 401 on the thread bush 104 and seal the thread bush 104 after the installation, prevent that two sets of thread bushes 104 and two sets of installation shell 101 from opening, the protection nature of the device is improved.

As shown in fig. 4, the fixing assembly includes connecting plates 105 fixedly disposed on one side of the two sets of mounting cases 101, wherein a set of first fixing bolts 106 is disposed through each two sets of connecting plates 105, and a first fixing nut 107 is sleeved on one end of each first fixing bolt 106. Two sets of installation shells 101 are fixed through first fixing bolt 106, make two sets of installation shells 101 can zonulae occludens, make things convenient for this anticorrosive device's dismantlement simultaneously, reduce the construction degree of difficulty.

As shown in fig. 3 and 4, the sealing assembly includes two sets of sealing arc plates 201, a waterproof seat 202 is disposed at the bottom of the sealing arc plates 201, one side of the waterproof seat 202 contacts with the bottom of the mounting shell 101, and the sealing arc plates 201 and the waterproof seat 202 are made of rubber. Rotate the in-process that installation shell 101 made it to follow screw ring 301 downstream, drive waterproof seat 202 downstream, and then make waterproof seat 202 closely laminate with ground, prevent the contact of external rivers and the anchor end of suspension cable to reach waterproof anticorrosive purpose, because waterproof seat 202 is the rubber material, can take place deformation, do not receive the interference when consequently two sets of installation shells 101 are opened along pivot 102.

As shown in fig. 3 and 4, the retaining plate 302 is provided with an auxiliary seal ring 203, the auxiliary seal ring 203 is provided between the retaining plate 302 and the ring-shaped baffle 103, and the auxiliary seal ring 203 is made of rubber. The installation shell 101 drives the annular baffle 103 to move downwards in the downward movement process, the annular baffle 103 and the anti-falling plate 302 extrude the auxiliary sealing ring 203, and a gap between the installation shell 101 and the threaded ring 301 is sealed, so that the waterproof effect is further improved.

As shown in fig. 5, two ends of the bottom of two sets of fastening cases 401 have connecting slots 403, a reinforcing rib 501 is disposed between the ring-shaped baffle plate 103 and the threaded sleeve 104, the two sets of fastening cases 401 are respectively clamped on the two sets of reinforcing ribs 501 through the two sets of connecting slots 403, one side of the connecting slot 403 at the bottom of one set of fastening case 401 is provided with a positioning column 405, a first positioning hole 404 is disposed in the connecting slot 403 at the bottom of the other set of fastening case 401, a second positioning hole 502 is disposed on the reinforcing rib 501, and one end of the two sets of positioning columns 405 respectively passes through the second positioning hole 502 and penetrates through the first positioning hole 404.

The strengthening rib 501 is used for improving the fastness of installation shell 101 and thread bush 104, and the connecting groove 403 card of fastening shell 401 bottom is established on strengthening rib 501 and is prevented that fastening shell 401 from taking place to rotate after installing, sets up reference column 405 and fixes a position when installing two sets of fastening shells 401, makes things convenient for the installation and the dismantlement of two sets of fastening shells 401, and reference column 405 prevents in wearing to establish the second locating hole 502 on strengthening rib 501 that fastening shell 401 from droing.

As shown in fig. 5, two sets of counter bores 406 are formed in one set of the fastening housing 401, second fixing bolts 407 penetrate through the counter bores 406, and the two sets of the fastening housings 401 are connected through the two sets of the second fixing bolts 407, so that the two sets of the fastening housings 401 can be tightly attached to each other, the fastening housings 401 can be conveniently detached, and the anchoring ends of the stay cables can be conveniently maintained.

As shown in fig. 1 and 2, the inner sides of the two sets of lengthening protection sleeves 402 are respectively provided with an inflatable cushion 408, and the two sets of inflatable cushions 408 are arranged oppositely. The inflatable cushion 408 is arranged to assist in sealing a gap between the lengthened protective sleeve 402 and the stay cable, so that rainwater is prevented from entering the gap of the lengthened protective sleeve 402, meanwhile, the threaded ring 301 is further prevented from displacing on the stay cable, and the stability of the anticorrosion device after installation is improved.

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

this anticorrosive device is not hard up first fixing bolt 106 when installing and is making two sets of installation shell 101 rotate along pivot 102 and open, establish two sets of installation shell 101 again on the anchor of suspension cable is served, make waterproof seat 202 and bridge ground contact, close together two sets of installation shell 101 and make two sets of screw rings 301 press from both sides tight with the suspension cable through slipmat 303, rethread first fixing bolt 106 is connected two sets of installation shell 101 fixedly, two sets of screw rings 301 make up and form complete screw pipeline this moment, two sets of screw rings 104 make up the screw pipeline of formation completion equally, it moves down along screw ring 301 to rotate two sets of installation shell 101 again, it closely laminates with ground and seals up the isolation to external and the device is inside to drive waterproof seat 202, prevent that external water from getting into anticorrosive device inside and causing the erosion to the suspension cable.

The waterproof seat 202 of rubber material can carry out appropriate cutting according to the shape on bridge ground and the slope situation of suspension cable, make it can be better laminate with ground, install two sets of fastening shell 401 after two sets of installation shell 101 are installed, prevent to produce the gap after installation shell 101 uses for a long time, set up inflatable packer 408 in the extension lag 402 on two sets of fastening shells 401 and be used for preventing the rainwater from passing through the gap between screw thread ring 301 and the thread bush 104 and get into inside this anticorrosive device, the waterproof and anticorrosive nature of the device has been improved, the life of the device has been increased simultaneously, this anticorrosive device's leakproofness is stronger, and it is all very convenient to install and dismantle, the practicality is higher.

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 utility model 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 utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Bridge suspension cable anchor holds anticorrosive device, its characterized in that: the pipeline comprises two groups of installation shells (101), wherein one ends of the two groups of installation shells (101) are connected through a rotating shaft (102), the other ends of the two groups of installation shells (101) are connected through two groups of fixing components, thread sleeves (104) connected through an annular baffle (103) are arranged on the two groups of installation shells (101), a thread ring (301) is arranged on one side of the two groups of thread sleeves (104), an anti-skid pad (303) is arranged on the inner side of the thread ring (301), an anti-dropping plate (302) is arranged at the bottom of the thread ring (301), the two groups of thread rings (301) are oppositely arranged, the two groups of thread rings (301) can be combined to form a complete thread pipeline, threads of the thread ring (301) are matched with internal threads of the thread sleeves (104), sealing components are arranged in the two groups of installation shells (101), and two groups of fastening shells (401) are sleeved on the thread sleeves (104), one end of each of the two groups of fastening shells (401) is provided with a lengthened protective sleeve (402).

2. The corrosion prevention device for the anchorage end of the stay cable of a bridge according to claim 1, wherein: the fixing assembly comprises two groups of connecting plates (105) fixedly arranged on one side of the mounting shell (101), wherein each two groups of connecting plates (105) are internally provided with a group of first fixing bolts (106) in a penetrating manner, and one end of each first fixing bolt (106) is provided with a first fixing nut (107) in a sleeved manner.

3. The corrosion prevention device for the anchorage end of the stay cable of a bridge according to claim 1, wherein: the sealing assembly comprises two groups of sealing arc plates (201), a waterproof seat (202) is arranged at the bottom of each sealing arc plate (201), one side of each waterproof seat (202) is in contact with the bottom of the mounting shell (101), and the sealing arc plates (201) are made of rubber materials with the waterproof seats (202).

4. The corrosion prevention device for the anchorage end of the stay cable of a bridge according to claim 1, wherein: be provided with auxiliary sealing ring (203) on anticreep board (302), auxiliary sealing ring (203) set up anticreep board (302) with between ring baffle (103), auxiliary sealing ring (203) are the rubber material.

5. The corrosion prevention device for the anchorage end of the stay cable of a bridge according to claim 1, wherein: connecting grooves (403) are formed in two ends of the bottom of the fastening shell (401), reinforcing ribs (501) are arranged between the annular baffle (103) and the threaded sleeve (104), the fastening shell (401) is clamped in the two groups of connecting grooves (403) respectively, one side of each connecting groove (403) in the bottom of the fastening shell (401) is provided with a positioning column (405), the other side of each connecting groove (403) in the bottom of the fastening shell (401) is provided with a first positioning hole (404), a second positioning hole (502) is formed in each reinforcing rib (501), and one end of each positioning column (405) penetrates through the second positioning hole (502) and penetrates through the first positioning hole (404).

6. The corrosion prevention device for the anchorage end of the stay cable of a bridge according to claim 1, wherein: two groups of counter bores (406) are formed in one group of the fastening shell (401), second fixing bolts (407) penetrate through the counter bores (406), and the two groups of the fastening shell (401) are connected through the two groups of the second fixing bolts (407).

7. The corrosion prevention device for the anchorage end of the stay cable of a bridge according to claim 1, wherein: the inner sides of the two groups of the lengthened protective sleeves (402) are respectively provided with an inflatable cushion (408), and the two groups of the inflatable cushions (408) are arranged oppositely.