CN115404755A - Waterproof, antirust and vibration-damping tied arch bridge suspender - Google Patents
Waterproof, antirust and vibration-damping tied arch bridge suspender Download PDFInfo
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- CN115404755A CN115404755A CN202211330747.4A CN202211330747A CN115404755A CN 115404755 A CN115404755 A CN 115404755A CN 202211330747 A CN202211330747 A CN 202211330747A CN 115404755 A CN115404755 A CN 115404755A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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Abstract
A waterproof, antirust and vibration-damping tied arch bridge suspender belongs to the technical field of tied arch bridges. Comprises an upper anchor head (1), a lower anchor head (4), a suspender rod body (2) and a waterproof cover (3); the upper anchor head (1) and the lower anchor head (4) are positioned at the end part of the boom body (2) and are connected through a fixed end nut (13); the waterproof cover (3) is welded on the rod body (2) of the suspender to prevent rainwater from flowing into the lower anchor head (4); the transparent stainless steel protective cover (5) can protect the lower anchor head, so that the condition of the anchor head can be conveniently and directly observed from the outside, the lower protective cover is filled with butter (11) to prevent the anchor cup (6) from rusting, and the inner wall of the lower protective cover is provided with the overflow alarm (18) which can remind of timely maintenance; the zinc ring (9) sleeved on the fixed end nut (13) can prevent the fixed end nut (13) from rusting by utilizing the electrochemical cathodic protection principle; the rubber vibration damping block (17) in the boom body (2) can reduce the vibration of the boom and prolong the service life of the boom.
Description
Technical Field
The invention belongs to a tied arch bridge technology, and particularly relates to a technology of a tied arch bridge suspender with waterproof, antirust and vibration reduction functions.
Background
In recent years, most of collapse accidents of multi-boom arch bridges are caused by diseases of boom systems, and the main manifestation of the diseases is steel wire corrosion and rust breakage caused by boom corrosion failure and rust anchor detachment of pier heads and anchor cups. Therefore, an urgent need exists for a novel suspension rod which can have the functions of water resistance, rust resistance and vibration reduction so as to solve the problem that the service life of a suspension rod system is shortened due to rusting and vibration. At present, various hanger rods have been invented at home and abroad, each hanger rod has the characteristics and the use environment, but most of the materials used in the invention have some defects, so that more suitable materials and waterproof, antirust and vibration reduction methods are required to be adopted to prolong the service life of the hanger rods.
At present, a Chinese patent with the application number of 201821149856.5 discloses a suspender anchor head waterproof transformation structure of a tied arch bridge, which comprises a suspender, a steel backing plate, a tie beam, a waterproof cover, a sleeve and a sealing ring. The water is prevented from entering the suspender and the anchor head by a closed system consisting of the waterproof cover, the steel backing plate and the sealing ring.
Although the waterproof transformation structure of the anchor head of the suspender of the tied-arch bridge can play a certain waterproof role, only a part of rainwater is prevented from flowing into the suspender and the anchor head, the water flowing in along a bridge gap is not considered, and the waterproof cover and the sleeve are required to be opened when the bridge is detected, so that the waterproof transformation structure is very inconvenient, the tightness of the waterproof transformation structure can be reduced by repeated opening, and the waterproof component cannot be replaced in time after being damaged.
Disclosure of Invention
The invention aims to provide a tied arch bridge suspender which is waterproof, antirust and vibration-damping.
The invention relates to a waterproof, antirust and vibration-damping tied arch bridge suspender, which comprises an upper anchor head 1, a suspender rod body 2, a waterproof cover 3 and a lower anchor head 4; the upper anchor head 1 and the lower anchor head 4 are positioned at the uppermost end and the lowermost end of the suspender rod body 2 and comprise a protective cover 5, an anchor cup 6, a steel wire bundle 7, a bolt 8, a zinc ring 9, an anchor head end cover plate 10, grease 11, a seal layer 12, a fixed end nut 13, an anchor backing plate 14 and an overflow alarm 18; the upper anchor head 1 and the lower anchor head 4 are connected with the suspender rod body 2 through a fixed end nut 13, the fixed end nut 13 is connected with an anchor backing plate 14 at the side close to the suspender rod body, the side far away from the suspender rod body is connected with an anchor cup 6, the outer surface of the fixed end nut 13 is coated with a layer of zinc ring 9, a steel wire bundle 7 anchored on the fixed end nut 13 is surrounded by the anchor cup 6, a sealing layer 12 is tightly attached to the steel wire bundle 7 to seal the steel wire bundle in the anchor cup 6, an anchor head end cover plate 10 is positioned at the end part of the anchor cup 6, a gap between the sealing layer 12 and the anchor head end cover plate 10 is filled with grease 11, a protective cover 5 is positioned at the outermost side of the upper anchor head 1 and the lower anchor head 4 and is connected with the anchor backing plate 14 through bolts 8, the space between the lower protective cover 5 and the anchor cup is filled with grease 11, and an overflow alarm 18 is arranged on the inner wall of the lower protective cover 5; the suspender rod body 2 is positioned between the upper anchor head 1 and the lower anchor head 4 and comprises a suspender inhaul cable 16, a suspender outer sleeve steel pipe 15 and a rubber vibration reduction block 17; the hanger rod outer sleeve steel pipe 15 is sleeved outside the hanger rod guy cable 16, a certain space is reserved, and the rubber vibration damping block 17 is filled between the hanger rod guy cable 16 and the hanger rod outer sleeve steel pipe 15 and is only filled at the position close to the lower anchor head; the waterproof cover 3 is sleeved on the boom body 2, is close to the lower anchor head 4, and is welded with the boom outer sleeve steel pipe 15.
The invention has the beneficial effects that: the invention considers waterproof, antirust and vibration damping, and can effectively prolong the service life of the suspender.
(1) The transparent stainless steel protective cover can protect internal components of the anchor head and is beneficial to observing the internal conditions of the anchor head. (2) The anchor cup, seal, grease and anchor head cover plate form a sealed system to protect the steel wire bundle from contact with air and moisture. (3) The zinc ring on the fixed end nut is equivalent to a second layer of fuse and reacts with moisture in the air in an electrochemical way, so that the fixed end nut is well protected as a cathode. (4) The steel-made waterproof cover can prevent water from flowing into the lower anchor head, and is easy to maintain and long in service life. (5) The overflow alarm gives an alarm when meeting water, so that accumulated water in the lower protective cover can be cleaned in time, and the damaged suspender component can be repaired in time. (6) Rubber vibration reduction blocks are arranged between the suspender guy cable and the suspender outer sleeve steel pipe, so that the vibration of the suspender can be reduced.
Drawings
FIG. 1 is a plan view of a waterproof, rust-resistant, and vibration-damping bowstring arch bridge boom; FIG. 2 is a plan view of the upper anchor head; FIG. 3 is a plan view of the lower anchor head; FIGS. 4 and 5 are elevation and plan views of the upper protective cover; FIGS. 6 and 7 are elevation and plan views of the fixing end nut and the zinc ring; FIG. 8 is a plan view of the anchor pad; FIGS. 9 and 10 are elevation and plan views of the waterproof cover; FIGS. 11 and 12 are elevation and plan views of a rubber damper block; fig. 13 is a plan view of the overflow alarm. Reference numerals and corresponding names: the device comprises an upper anchor head 1, a suspender rod body 2, a waterproof cover 3, a lower anchor head 4, a protective cover 5, an anchor cup 6, a steel wire bundle 7, a bolt 8, a zinc ring 9, an anchor head end cover plate 10, butter 11, a seal layer 12, a fixed end nut 13, an anchor backing plate 14, a suspender outer sleeve steel pipe 15, a suspender cable 16, a rubber vibration damping block 17 and an overflow alarm 18; a battery 18 (01), a bidirectional probe 18 (02), a fixed arm 18 (03), a device box 18 (04) and a bulb 18 (05).
Detailed Description
The invention relates to a waterproof, antirust and vibration-damping tied arch bridge suspender, which comprises an upper anchor head 1, a suspender rod body 2, a waterproof cover 3 and a lower anchor head 4; the upper anchor head 1 and the lower anchor head 4 are positioned at the uppermost end and the lowermost end of the suspender rod body 2 and comprise a protective cover 5, an anchor cup 6, a steel wire bundle 7, a bolt 8, a zinc ring 9, an anchor head end cover plate 10, butter 11, a seal layer 12, a fixed end nut 13, an anchor backing plate 14 and an overflow alarm 18; the upper anchor head 1 and the lower anchor head 4 are connected with a suspender rod body 2 through a fixed end nut 13, the fixed end nut 13 is connected with an anchor backing plate 14 at the side close to the suspender rod body, the side far away from the suspender rod body is connected with an anchor cup 6, the outer surface of the fixed end nut 13 is coated with a layer of zinc ring 9, a steel wire bundle 7 anchored on the fixed end nut 13 is surrounded by the anchor cup 6, a sealing layer 12 is tightly attached to the steel wire bundle 7 to seal the steel wire bundle in the anchor cup 6, an anchor head end cover plate 10 is positioned at the end part of the anchor cup 6, a gap between the sealing layer 12 and the anchor head end cover plate 10 is filled with grease 11, a protective cover 5 is positioned at the outermost side of the upper anchor head 1 and the lower anchor head 4 and is connected with the anchor backing plate 14 through bolts 8, the space between the lower protective cover 5 and the anchor cup is filled with grease 11, and an overflow alarm 18 is installed on the inner wall of the lower protective cover 5; the suspender rod body 2 is positioned between the upper anchor head 1 and the lower anchor head 4 and comprises a suspender inhaul cable 16, a suspender outer sleeve steel pipe 15 and a rubber vibration reduction block 17; the hanger rod outer sleeve steel pipe 15 is sleeved outside the hanger rod guy cable 16, and a certain space is left, the rubber vibration damping block 17 is filled between the hanger rod guy cable 16 and the hanger rod outer sleeve steel pipe 15, and is filled only at the position close to the lower anchor head; the waterproof cover 3 is sleeved on the boom body 2, is close to the lower anchor head 4, and is welded with the boom outer sleeve steel pipe 15.
According to the tied arch bridge suspender, the waterproof cover 3 is arranged on the bridge floor and welded with the suspender outer sleeve steel pipe 15, rainwater can be prevented from flowing into the suspender through the bridge floor, the lower side of the waterproof cover 3 is close to a traffic lane, and the rainwater is drained along the traffic lane.
In the tied arch bridge suspender, the protective covers 5 in the upper anchor head 1 and the lower anchor head 4 are fixed on the anchor backing plate 14 through the bolts 8, and the components in the anchor heads are protected.
In the tied arch bridge suspender, the upper anchor head 1 and the anchor cup 6 in the lower anchor head 4 are welded on the fixed end nut 13, and form a sealed space with the sealing layer 12, the grease 11 and the anchor head end cover plate 10 to protect the steel wire bundle 8.
In the tied arch bridge suspender, the zinc rings 9 in the upper anchor head 1 and the lower anchor head 4 are sleeved on the fixed end nut 13, and the fixed end nut 13 is prevented from rusting by an electrochemical cathode protection principle.
In the tied arch bridge suspender, the fixed end nuts 13 in the upper anchor head 1 and the lower anchor head 4 fix two ends of a suspender inhaul cable 16, so that the suspender can bear tension, and the side close to the suspender rod body 2 is welded with the anchor backing plate 14 and the suspender outer steel pipe 15, so that the suspender is integrated.
In the tied arch bridge suspender, the suspender outer sleeve steel pipe 15 in the suspender rod body 2 is sleeved outside the suspender cable 16 to play a role of protecting the suspender cable 16.
In the tied arch bridge suspender, the rubber vibration reduction block 17 in the suspender rod body 2 is arranged between the suspender outer sleeve steel pipe 15 and the suspender cable 16 at the bridge deck position, and plays a role in reducing the vibration of the suspender cable 16.
In the tied arch bridge suspender, the overflow alarm 18 in the lower anchor head 4 is fixed on the inner wall of the lower protective cover 5, and alarms when meeting water, so that the waterproof component of the suspender is overhauled in time; the overflow alarm 18 consists of a battery 18 (01), a bidirectional probe 18 (02), a fixed arm 18 (03), a device box 18 (04) and a bulb 18 (05), the installation height is the joint of the anchor cup 6 and the fixed end nut 13, the bidirectional probe 18 (02) meets water energy to enable a circuit of the overflow alarm 18 to be connected, and the bulb 18 (05) flashes for alarm.
The working process of the invention is as follows:
(1) In rainy days, rainwater falls on the suspender rod body 2, the suspender outer sleeve steel pipe 15 isolates the rainwater from the suspender cable 16, and the suspender cable 16 is prevented from contacting the rainwater; rainwater flows to the waterproof cover along the hanger rod outer sleeve steel pipe 15, and then flows to the bridge deck along the slope of the waterproof cover 3, so that rainwater can be prevented from flowing into the hanger rod body 2 and the lower anchor head 4.
(2) A small amount of water enters the upper anchor head 1 and the lower anchor head 4, the zinc ring 9 on the fixed end nut 13 is equivalent to a second layer of insurance and reacts with the water in an electrochemical way, and the fixed end nut 13 is used as a cathode for protection.
(3) The anchor cup 6, seal 12, grease 11 and anchor head cover plate 10 form a sealed system that protects the steel wool bundle 7 well from air and moisture.
(4) As time goes on, the hanger rod outer sleeve steel pipe 15 and the anchor backing plate 14 are slightly damaged, water flows into the lower protective cover 5, emulsification of butter 11 is accelerated and is accumulated in the lower protective cover 5, and the overflow alarm 18 gives an alarm when meeting water, so that hanger rod components can be repaired in time.
(5) The suspender can vibrate under the action of the vehicle, and the rubber vibration damping block 17 positioned at the contact position of the bridge floor and the suspender can play a role in damping vibration, so that the service life of the suspender is prolonged.
The invention is further developed by the following embodiments in combination with the drawings of the specification. As shown in fig. 1 to 13, the suspension rod is composed of an upper anchor head 1, a suspension rod body 2, a waterproof cover 3 and a lower anchor head 4, wherein the upper anchor head 1 and the lower anchor head 4 are positioned at the end part of the suspension rod body 2, and a suspension rod guy cable 16 is anchored to enable the suspension rod to bear tensile force; the waterproof cover 3 is welded on the hanger rod outer sleeve steel pipe 15 and is in contact with the bridge floor during installation, so that the contact between the lower anchor head 4 and rainwater is prevented.
As shown in fig. 2 to 8, the anchor head 1 on the suspension rod is used as a large component of the suspension rod and consists of a protective cover 5, an anchor cup 6, a steel wire bundle 7, a bolt 8, a zinc ring 9, an anchor head end cover plate 10, butter 11, a seal layer 12, a fixed end nut 13 and an anchor backing plate 14; the protective cover 5, the bolt 8 and the anchor backing plate 14 can form a protective system, so that the stressed components in the upper anchor head 1 are well protected and prevented from contacting with external rainwater; the anchor cup 6, the anchor head end cover plate 10, the grease 11 and the seal coat 12 can also form another protection system to protect the steel wire bundle and prevent the steel wire bundle from being rusted; the zinc ring 9 sleeved on the fixed end nut 13 generates electrochemical reaction when meeting water, and the fixed end nut 13 is taken as a cathode for protection.
As shown in fig. 4 to 8, the anchor backing plate 14 is located at the end of the boom body 2 and connected to the boom body 2 through the fixing end nut 13, and the protective cover 5 is fixed to the anchor backing plate 14 and connected to the anchor backing plate 14 through the bolt 8 to form a closed space for preventing water from entering the upper anchor head 1 and the lower anchor head 4; the anchor backing plate 14 is made of steel, the inner diameter of the anchor backing plate is 180mm, the outer diameter of the anchor backing plate is 300mm, the thickness of the anchor backing plate is 50 mm; the bolts 8 are 6mm in diameter, 20mm in length and 6 in number and are evenly distributed at the edge of the opening of the protective cover.
As shown in fig. 2, 4, 5, the safety cover 5 is transparent stainless steel material, when carrying out bridge overhaul, need not take off the safety cover 5, can directly inspect, saves time and laborsaving promptly, still can not cause the damage to the safety cover 5, even transparent safety cover 5 also can inspect with the searchlight night, can save a lot of manpower and material resources cost. The protective cover 5 is 5mm thick, high 400mm, and cover body external diameter is 260mm, and cover mouth border external diameter is 290mm, and the bottom surface is the curved surface, and the vertical perpendicular distance of curved surface apex apart from curved surface edge is 30mm, and the material is transparent stainless steel.
When the bolt 8 is selected, the bolt 8 with high strength can reach high stress, so that the protective cover 5 is better in tightness and not easy to loosen.
As shown in fig. 2 and 3, one end of the anchor cup 6 is welded on the fixed end nut 13, the other end is connected with the anchor head end cover plate 10 through the bolt 8, the seal layer 12 is placed in the middle, and the grease 11 is filled to form a closed space, so that the steel wire bundle 7 is wrapped in the closed space to prevent the steel wire bundle from rusting. The diameter of the anchor head end cover plate 10 is 180mm, the thickness of the anchor head end cover plate is 5mm, and the anchor head end cover plate is made of steel; the seal layer 12 is 80mm in diameter and 4mm in thickness and is made of steel.
As shown in fig. 2 and 3, the sealing layer 12, the grease 11 and the anchor head cover plate 10 form a sealing layer to prevent moisture in the air from entering the anchor cup 6.
As shown in fig. 1, 2, 3, 6 and 7, the fixed end nuts 13 are anchored at both ends of the boom guy cable 16, so that the boom is a whole capable of bearing the pulling force; the outer surface of the fixed end nut 13 is welded with the hanger rod outer sleeve steel pipe 15 and the anchor backing plate 14, the rest part is sleeved with a layer of zinc ring 9, the zinc ring 9 and the fixed end nut 13 form an electrochemical reaction system with the surrounding moisture, zinc is more active than iron, so that zinc is used as an anode, iron is used as a cathode, zinc reacts preferentially to iron, a sealed oxidation mold is formed, the fixed end nut 8 is protected, and the fixed end nut is prevented from contacting with air, and the ion equation is as follows
。
As shown in fig. 3, 9 and 10, the waterproof cover 3 is buckled right above the contact position of the bridge deck and the hanger rod, and is welded with the hanger rod outer sleeve steel pipe 15 to block rainwater outside and prevent the rainwater from flowing into the lower anchor head 3 along the hanger rod outer sleeve steel pipe 15; the lower side of the waterproof cover 3 is close to the traffic lane, and rainwater is discharged to the traffic lane, so that the rainwater is discharged along the drainage hole of the bridge; the waterproof cover 3 is 5mm thick, 200mm high on the lower side, 280mm high on the upper side, 600mm long and 600mm wide.
As shown in fig. 3 to 8, the lower anchor head 4 of the suspension rod is a large component of the suspension rod, is arranged below the suspension rod, and consists of an anchor cup 6, a steel wire bundle 7, a bolt 8, a zinc ring 9, an anchor head end cover plate 10, butter 11, a sealing layer 12, a fixed end nut 13, an anchor backing plate 14, a protective cover 5 and an overflow alarm 18; the lower anchor head 4 is connected with the suspender rod body 2 through a fixed end nut 13, has a structure similar to that of the upper anchor head 1, and is filled with more butter 11 and an overflow alarm 18 than the upper anchor head.
As shown in fig. 3, 4 and 5, the lower protective cover 5 is filled with grease 11, so that the fixed end nut 13 and the anchor cup 6 can be protected from contact with water outside.
As shown in fig. 3 and 13, the overflow alarm 18 is mounted on the inner wall of the lower protective cover 5, and the height is the joint of the fixed end nut 13 and the anchor cup 6; the overflow alarm 18 consists of a battery 18 (01), a probe 18 (02), a fixed arm 18 (03), a device box (04) and a bulb 18 (05), the probe 18 (02) is in contact with water to enable a circuit of the overflow alarm 18 to be communicated, the bulb 18 (05) is electrified to flash to alarm, in order to increase the contact probability with water, the overflow alarm 18 is provided with two probes 18 (02), one probe is tightly attached to the inner wall of the lower protective cover 5, and the other probe is located at the horizontal position of the joint face of the anchor cup 6 and the fixed end nut 13.
As shown in fig. 3 and 13, along with the increase of the service life of the suspender, the sealing performance of each component of the lower anchor head 4 of the suspender is deteriorated, water enters the lower protective cover 5, the emulsification of the butter 11 is accelerated, the water is accumulated in the lower protective cover 5, the accumulated water contacts the probe 18 (02), the bulb 18 (05) flickers, and the warning lamp can be seen from the outside because the lower protective cover 5 is transparent, so that the related technical personnel can clean the accumulated water in the lower protective cover 5 in time and repair the damaged component in time.
As shown in fig. 1, 11 and 12, the boom body 2 is composed of a boom outer steel pipe 15, a boom guy cable 16 and a rubber vibration damping block 17, the boom outer steel pipe 15 is wrapped outside the boom guy cable 16 to form a certain gap with the boom guy cable 16, and the rubber vibration damping block 17 is filled in a gap between the boom guy cable 16 and the boom outer steel pipe 15 at a position penetrating a bridge deck; the hanger rod outer sleeve steel pipe 15 prevents the hanger rod guy cable 16 from directly contacting with the external environment, and isolates the rainwater to the outside, thereby forming a closed protection system. The hanger rod outer sleeved steel pipe 15 has an outer diameter of 250mm and a thickness of 8mm, is made of steel, and the rubber vibration damping block 17 has an inner diameter of 60mm, an outer diameter of 240mm and a height of 100mm.
As shown in figure 1, the exterior of the hanger rod outer sleeve steel pipe 15 is sprayed with protective paint, so that the steel pipe is prevented from directly contacting with the external environment, the steel pipe is prevented from rusting, and the service life of the steel pipe is prolonged.
As shown in fig. 1, 11 and 12, the rubber damper 17 is filled in the gap between the outer hanger steel tube 15 and the hanger cable 16 where the hanger penetrates the bridge deck, and when the bridge vibrates under the excitation of the vehicle, the hanger vibrates, and the rubber damper 17 absorbs part of the vibration energy of the hanger, thereby reducing the vibration amplitude of the hanger and prolonging the service life thereof.
Claims (9)
1. A waterproof, antirust and vibration-damping tied arch bridge suspender comprises an upper anchor head (1), a suspender rod body (2), a waterproof cover (3) and a lower anchor head (4); the upper anchor head (1) and the lower anchor head (4) are positioned at the uppermost end and the lowermost end of the suspender rod body (2) and comprise a protective cover (5), an anchor cup (6), a steel wire bundle (7), a bolt (8), a zinc ring (9), an anchor head end cover plate (10), butter (11), a seal layer (12), a fixed end nut (13), an anchor backing plate (14) and an overflow alarm (18), the upper anchor head (1) and the lower anchor head (4) are connected with the suspender rod body (2) through the fixed end nut (13), the fixed end nut (13) is connected with the anchor backing plate (14) at the side close to the suspender rod body and is connected with the anchor cup (6) at the side far away from the suspender rod body, the outer surface of the fixed end nut (13) is coated with the zinc ring (9), the steel wire bundle (7) anchored on the fixed end nut (13) is surrounded by the anchor cup (6), the seal layer (12) is tightly attached to the steel wire bundle (7) to seal the anchor cup (6), the anchor head end cover plate (10) is positioned at the end of the anchor cup (6), a gap between the anchor head end cover plate (12) and the lower anchor head (5) is filled with the upper end cover plate (11), and the space of the bolt (5), an overflow alarm (18) is arranged on the inner wall of the lower protective cover (5); the suspender rod body (2) is positioned between the upper anchor head (1) and the lower anchor head (4) and comprises a suspender inhaul cable (16), a suspender outer sleeve steel pipe (15) and a rubber vibration reduction block (17); the suspender outer sleeve steel pipe (15) is sleeved outside the suspender cable (16) and a certain space is reserved, and the rubber vibration damping block (17) is filled between the suspender cable (16) and the suspender outer sleeve steel pipe (15) and is only filled at the position close to the lower anchor head; the waterproof cover (3) is sleeved on the rod body (2) of the suspender, is close to the lower anchor head (4), and is welded with the steel pipe (15) sleeved outside the suspender.
2. The waterproof, rust-resistant, and vibration-damping tied arch bridge boom of claim 1, wherein: the waterproof cover (3) is arranged on the bridge floor and welded with the suspender outer sleeve steel pipe (15), rainwater can be prevented from flowing into the suspender through the bridge floor, the lower side of the waterproof cover (3) is close to the traffic lane, and the rainwater is drained along the traffic lane.
3. The waterproof, rust-resistant, and vibration-damping tied arch bridge boom of claim 1, wherein: the protective covers (5) in the upper anchor head (1) and the lower anchor head (4) are fixed on the anchor backing plate (14) through bolts (8) to protect components in the anchor heads.
4. The waterproof, rust-resistant, and vibration-damping tied arch bridge boom of claim 1, wherein: the upper anchor head (1) and the middle anchor cup (6) of the lower anchor head (4) are welded on the fixed end nut (13), and a sealed space is formed by the upper anchor head, the lower anchor head, the sealing layer (12), the grease (11) and the anchor head end cover plate (10) to protect the steel wire bundle (8).
5. The waterproof, rust-resistant, and vibration-damping tied arch bridge boom of claim 1, wherein: the zinc rings (9) in the upper anchor head (1) and the lower anchor head (4) are sleeved on the fixed end nut (13), and the fixed end nut (13) is prevented from rusting by the electrochemical cathodic protection principle.
6. The waterproof, rust-resistant, and vibration-damping tied arch bridge boom of claim 1, wherein: the two ends of a suspender inhaul cable (16) are fixed by a fixed end nut (13) in the upper anchor head (1) and the lower anchor head (4), so that the suspender can bear pulling force, and the side close to a suspender rod body (2) is welded with an anchor backing plate (14) and a suspender outer steel pipe (15), so that the suspender is integrated.
7. The waterproof, rust-resistant, and vibration-damping tied arch bridge boom of claim 1, wherein: a suspender outer sleeve steel pipe (15) in the suspender rod body (2) is sleeved outside the suspender cable (16) to play a role of protecting the suspender cable (16).
8. The waterproof, rust-resistant, and vibration-damping tied arch bridge boom of claim 1, wherein: a rubber vibration damping block (17) in the suspender rod body (2) is arranged between the suspender outer sleeve steel pipe (15) and the suspender cable (16) at the position of the bridge floor, and the effect of reducing the vibration of the suspender cable (16) is achieved.
9. The waterproof, rust-resistant, and vibration-damping tied arch bridge boom of claim 1, wherein: an overflow alarm (18) in the lower anchor head (4) is fixed on the inner wall of the lower protective cover (5) and alarms when meeting water, so that a waterproof component of the suspender is overhauled in time; the overflow alarm (18) consists of a battery (18 (01)), a bidirectional probe (18 (02)), a fixed arm (18 (03)), an instrument box ((04)) and a bulb (18 (05)), the installation height is the joint of the anchor cup (6) and the fixed end nut (13), the bidirectional probe (18 (02)) meets water to enable a circuit of the overflow alarm (18) to be connected, and the bulb (18 (05)) flashes for alarming.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211330747.4A CN115404755A (en) | 2022-10-28 | 2022-10-28 | Waterproof, antirust and vibration-damping tied arch bridge suspender |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211330747.4A CN115404755A (en) | 2022-10-28 | 2022-10-28 | Waterproof, antirust and vibration-damping tied arch bridge suspender |
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- 2022-10-28 CN CN202211330747.4A patent/CN115404755A/en active Pending
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