CN210766391U

CN210766391U - Wear-resistant sling structure of suspension bridge

Info

Publication number: CN210766391U
Application number: CN201921399535.5U
Authority: CN
Inventors: 黄建忠
Original assignee: Jiangyin Huagong Machinery Co ltd
Current assignee: Jiangyin Huagong Machinery Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-06-16
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a suspension bridge abrasion-resistant sling structure, which relates to a suspension bridge sling structure and aims to solve the technical problems of abrasion between a sling, a cable clamp and a box girder in the prior art, and the technical proposal mainly comprises an abrasion-resistant pin shaft respectively inserted into a cable clamp lug hole and a box girder lug hole, a single lug fork connected with the abrasion-resistant pin shaft, an anchor cup connected with the single lug fork and a cable body, wherein steel wires at the end part of the cable body are separated and inserted into the anchor cup; in long-term use, when the wear-resisting round pin axle takes place the friction with cable clip otic placode, case roof beam otic placode, utilize the solid to lubricate from the lubricant cake to this frictional force that can reduce between wear-resisting round pin axle and cable clip otic placode, the case roof beam otic placode is favorable to reducing the wearing and tearing between hoist cable and cable clip, hoist cable and the case roof beam, and then can reduce the security and the durability that influence the suspension bridge.

Description

Wear-resistant sling structure of suspension bridge

Technical Field

The utility model relates to a suspension bridge hoist cable structure, more specifically say, it relates to a suspension bridge stand wear and tear hoist cable structure.

Background

The suspension bridge is a bridge which takes a cable rope or a chain rope bearing tension as a main bearing component and consists of a sling, a cable tower, an anchorage, a suspender, a bridge deck system and the like. The main load-bearing member of the suspension bridge is a sling which mainly bears tension and is generally made of steel (steel wires, steel cables and the like) with high tensile strength. The upper end of the sling is generally connected with a cable clamp lug plate on the main cable clamp by a pin shaft, and the lower end of the sling is connected with a box girder lug plate on the box girder by a pin shaft. When the vehicle runs on the bridge floor, the pressure test is carried out on the bridge floor, and the upper end and the lower end of the sling slightly rotate to adapt to the forward deformation of the beam.

In the process of using a traditional suspension bridge for a long time, due to frequent rotation of a sling, friction among a pin shaft, a cable clamp lug plate hole and a box girder lug plate hole is severe, so that the sling, a cable clamp and a box girder are seriously abraded, and the safety and the durability of the suspension bridge are influenced; there is a need to develop a wear resistant sling construction.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a stand wear and tear hoist cable structure of suspension bridge.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a suspension bridge stand wear and tear hoist cable structure, is including inserting the downthehole wear-resisting round pin axle of cable clip otic placode hole and case roof beam otic placode, the monaural fork of being connected with wear-resisting round pin axle, the anchor cup and the cable body of being connected with the monaural fork respectively, the steel wire of cable body tip part separates and inserts in the anchor cup, the equipartition has a plurality of lubrication hole on the lateral wall of wear-resisting round pin axle, be equipped with the solid self lubrication piece that is used for lubricating cable clip otic placode hole pore wall and case roof beam otic placode hole wall in the lubrication hole.

Through adopting above-mentioned technical scheme, when installing, in separately inserting the anchor cup with the steel wire at cable body both ends, with the monaural fork respectively with wear-resisting round pin axle and anchor cup connection, again with two wear-resisting round pin axles respectively with the cable clamp otic placode, the case roof beam otic placode is connected, in long-term the use, when wear-resisting round pin axle and cable clamp otic placode, the case roof beam otic placode takes place the friction, utilize the solid to lubricate from the lubricating block, with this can reduce wear-resisting round pin axle and cable clamp otic placode, frictional force between the case roof beam otic placode, be favorable to reducing hoist cable and cable clamp, wearing and tearing between hoist cable and the case roof beam, and then can reduce the security and the durability that influence suspension bridge.

Furthermore, a spring is arranged on the hole wall of the lubricating hole, and one end, far away from the bottom wall of the lubricating hole, of the spring is abutted against the solid self-lubricating block.

Through adopting above-mentioned technical scheme, when wear-resisting round pin axle when lock clamp otic placode hole and case roof beam otic placode downthehole rotation, take place the friction between wear-resisting round pin axle and cable clamp otic placode hole and the case roof beam otic placode hole, utilize the spring to support tightly on the solid is from the lubrication block, thereby the solid can last effectually lubricate wear-resisting round pin axle and cable clamp otic placode hole and case roof beam otic placode hole, be favorable to reducing the wearing and tearing between hoist cable and cable clamp, hoist cable and the case roof beam.

Furthermore, the outer side wall of the wear-resistant pin shaft is coated with a wear-resistant coating.

Through adopting above-mentioned technical scheme, utilize wear-resisting coating to can reduce wear-resisting round pin axle respectively with the cable clip otic placode hole with the box girder otic placode between the frictional force that produces, be favorable to reducing the wearing and tearing between hoist cable and cable clip and hoist cable and the box girder.

Further, all be equipped with the annular on the wall of the back of cable clamp otic placode and case roof beam otic placode, wear-resisting round pin axle's both ends are equipped with the cover plate respectively, be equipped with the crown plate that stretches into the annular on the perisporium of cover plate, be equipped with the bolt on the lateral wall of cover plate, the bolt passes cover plate and wear-resisting round pin hub connection.

Through adopting above-mentioned technical scheme, utilize the bolt to install the cover plate on wear-resisting round pin axle lateral wall, the ring plate inserts in the annular to this can reduce moisture or other harmful substance and get into between wear-resisting round pin axle and cable clamp otic placode and the case roof beam otic placode, reduces the harm of moisture or other harmful substance to hoist cable and cable clamp, hoist cable and case roof beam, is favorable to reducing the security and the durability that influence the suspension bridge.

Further, be equipped with the seal groove on the outer wall of crown plate, all be equipped with the fixed slot on the wall of the back of the body wall of cable clamp otic placode and case roof beam otic placode, the fixed slot is located the outside of annular, be equipped with the sealing rubber ring between seal groove and the fixed slot.

Through adopting above-mentioned technical scheme, utilize sealed rubber ring to insert in seal groove and the fixed slot, when raining, the rainwater falls on sealed rubber ring to on ring plate and the cover plate flow along sealed rubber ring, thereby can further reduce the rainwater and can get into between wear-resisting round pin axle and cable clamp otic placode and the case roof beam otic placode, with this security and the durability that can reduce the influence suspension bridge.

Furthermore, a through hole for the wear-resistant pin shaft to pass through is formed in the side wall of the single lug fork, and a wear-resistant rubber ring abutting against the through hole is formed in the side wall of the wear-resistant pin shaft.

Through adopting above-mentioned technical scheme, utilize wear-resisting rubber circle to contradict on the through-hole pore wall to this can reduce and produce wearing and tearing between monaural fork and the wear-resisting round pin axle.

Further, the monaural fork is kept away from the one end of wear-resisting round pin axle is equipped with the adapter sleeve, the anchor cup is kept away from the one end of the cable body stretches into the adapter sleeve and with adapter sleeve threaded connection, the adapter sleeve is close to the one end ring of anchor cup is equipped with the holding tank, be equipped with on the lateral wall of anchor cup and stretch into the locating plate of holding tank, be equipped with a plurality of screw on the lateral wall of adapter sleeve, the one end that the screw passed the adapter sleeve stretch into in the holding tank and with the locating plate is connected.

Through adopting above-mentioned technical scheme, when the installation, utilize anchor cup screw in adapter sleeve to this can convenient and fast connect anchor cup and monaural fork, during the locating plate inserts the holding tank simultaneously, the screw is connected adapter sleeve and locating plate at last, with this connection stability that can further increase between monaural fork and the anchor cup.

Furthermore, one end of the anchor cup, which is far away from the connecting sleeve, is provided with an inserting hole for the cable body to extend into, the hole wall of the inserting hole is annularly provided with a mounting groove, one end of the anchor cup, which is far away from the connecting sleeve, is provided with a notch, and the notch is communicated with the mounting groove;

and one end of the cable body, which is close to the anchor cup, is provided with a wear-resistant rubber ring, and one end of the wear-resistant rubber ring, which is close to the anchor cup, is inserted into the mounting groove and the connecting ring pad in the gap.

By adopting the technical scheme, when the cable body is installed, the cable body is inserted into the wear-resistant rubber ring, and then the connecting ring pad is inserted into the installation groove and the notch, so that the friction force generated between the cable body and the end wall of the anchor cup can be reduced, and the abrasion generated between the cable body and the anchor cup is reduced.

To sum up, the utility model discloses following beneficial effect has:

1. the solid self-lubricating block is used for respectively lubricating the cable clamp lug plate hole and the box girder lug plate hole, so that the friction force between the wear-resistant pin shaft and the cable clamp lug plate as well as between the wear-resistant pin shaft and the box girder lug plate can be reduced, and the wear between a sling and a cable clamp and between the sling and a box girder can be reduced;

2. the cover plates are arranged at two ends of the wear-resistant pin shaft by using bolts, the ring plates are inserted into the ring grooves, the sealing rubber rings are respectively arranged in the sealing grooves and the fixing grooves, and when raining, rainwater flows down along the sealing rubber rings, the ring plates and the cover plates, so that the moisture or other harmful substances are reduced from entering between the wear-resistant pin shaft and the lock clamp lug plate and between the wear-resistant pin shaft and the box girder lug plate, and the damage of the moisture to the wear-resistant pin shaft, the lock clamp lug;

3. utilize adapter sleeve and anchor cup threaded connection, the locating plate stretches into in the holding tank, and the screw is connected with locating plate and adapter sleeve again to this can be convenient and fast with anchor cup and adapter sleeve stable connection.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment.

FIG. 2 is a schematic structural view of a cable clamp lug hole and a box girder lug hole in an embodiment.

FIG. 3 shows a cable clamp lug, a wear pin, a fixed self-lubricating block, a single lug fork, an anchor cup, and a cable body according to an embodiment.

Fig. 4 is an enlarged view of a portion a in fig. 3.

FIG. 5 is a cross-sectional view of a wear-resistant coating embodying an embodiment.

In the figure: 1. a cable cleat ear plate; 10. a cable clamp lug plate hole; 11. a ring groove; 12. fixing grooves; 2. a box girder ear plate; 20. box girder lug plate holes; 3. a wear-resistant pin shaft; 30. a lubrication hole; 31. a solid self-lubricating block; 32. a spring; 34. a wear-resistant coating; 35. a cover plate; 36. a ring plate; 37. a bolt; 38. a sealing groove; 39. sealing the rubber ring; 300. a wear-resistant rubber ring; 4. a single lug fork; 40. a through hole; 41. connecting sleeves; 42. accommodating grooves; 5. an anchor cup; 50. positioning a plate; 51. a screw; 52. a jack; 53. mounting grooves; 54. a notch; 6. a cable body; 60. a wear-resistant rubber ring; 61. an insertion hole; 62. and connecting the ring pad.

Detailed Description

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

Example (b):

referring to fig. 1, a suspension bridge abrasion-resistant sling structure, it includes the cable body 6, anchor cup 5 and monaural fork 4, cable body 6 comprises the steel wire that a plurality of strand coating has the bonderizing coating, surface coating bonderizing coating at the steel wire forms the bonderizing membrane, the bonderizing membrane makes the steel wire surface wear-resisting more and improves its corrosion protection ability, bonderizing membrane porosity structure can increase the storage capacity of lubricating grease on wire surface of making the rope, reduce friction factor and promote the slip, delay the emergence of steel wire surface fretting wear damage, the emergence of inhibition fatigue microcrack, thereby prolong wire rope life by a wide margin.

Referring to fig. 2, the cable clamp lug plate structure further comprises two wear-resistant pin shafts 3, the two wear-resistant pin shafts 3 are respectively inserted into a cable clamp lug plate hole 10 and a box girder lug plate hole 20, one end of a single lug fork 4 is connected with the wear-resistant pin shafts 3, the other end of the single lug fork 4 is connected with an anchor cup 5, the single lug fork 4 is located in the middle of the wear-resistant pin shafts 3, steel wires at the end of a cable body 6 are separated and inserted into the anchor cup 5, and the steel wires inserted into the anchor cup 5 are cast through zinc-copper alloy or.

Referring to fig. 3, a plurality of lubricating holes 30 are uniformly distributed on the side wall of the wear-resistant pin shaft 3, and solid self-lubricating blocks 31, preferably made of graphite, for lubricating the hole wall of the cable clamp lug hole 10 and the hole wall of the box girder lug hole 20 (refer to fig. 2) are arranged in the lubricating holes 30; when the cable is installed, two ends of the cable body 6 are inserted into the anchor cup 5, the steel wire is fixed in the anchor cup 5 through pouring, the anchor cup 5 is connected with the single lug fork 4, the two wear-resistant pin shafts 3 penetrate through the single lug fork 4 and then are respectively connected with the cable clamp lug plate hole 10 and the box girder lug plate hole 20, when the cable body 6 rotates, the abrasion-resistant pin shaft 3 rubs with the cable clamp lug plate hole 10 and the box girder lug plate hole 20, at the moment, part of molecules of the solid self-lubricating block 31 are transferred to the surface of the wear-resistant pin shaft 3, tiny uneven surfaces are filled, a stable solid lubricating film is formed, thereby can lubricate 10 pore walls in the cable clamp otic placode holes and 20 pore walls in the case roof beam otic placode holes, thereby can reduce the frictional force between wear-resisting round pin axle 3 and cable clamp otic placode 1, case roof beam otic placode 2 (refer to fig. 2), be favorable to reducing the wearing and tearing between hoist cable and cable clamp, hoist cable and the case roof beam, also be favorable to reducing the security and the durability that influence the suspension bridge.

Referring to fig. 3, a spring 32 is arranged on the hole wall of the lubrication hole 30, and one end of the spring 32, which is far away from the bottom wall of the lubrication hole 30, is abutted against the solid self-lubrication block 31; after friction occurs between the wear-resistant pin shaft 3 and the cable clamp lug plate 1 and the box girder lug plate 2, the spring 32 is utilized to support the solid self-lubricating block 31, the solid self-lubricating block 31 is pushed out of the lubricating hole 30, so that the solid self-lubricating block 31 can be supported and tightly supported on the hole wall of the cable clamp lug plate hole 10 and the hole wall of the box girder lug plate hole 20 (refer to fig. 2), and therefore the cable clamp lug plate hole 10 and the box girder lug plate hole 20 can be lubricated continuously and effectively, abrasion among the wear-resistant pin shaft 3, the cable clamp lug plate 1 and the box girder lug plate 2 (refer to fig. 2) can be reduced, and influences on safety and durability of a suspension bridge can be reduced.

Referring to fig. 3, a through hole 40 for the wear-resistant pin shaft 3 to pass through is formed in the side wall of the single lug fork 4, and a wear-resistant rubber ring 300 which is abutted against the through hole 40 is formed in the side wall of the wear-resistant pin shaft 3; when the wear-resistant pin shaft 3 and the single lug fork 4 rotate, the wear-resistant rubber ring 300 is utilized, so that the wear between the wear-resistant pin shaft 3 and the single lug fork 4 is reduced, and the service life of the wear-resistant pin shaft 3 is prolonged.

Referring to fig. 4, the two opposite side walls of the cable clamp ear plate 1 and the box girder ear plate 2 (refer to fig. 2) are provided with ring grooves 11.

Referring to fig. 4, the wear-resistant pin 3 is provided with cover plates 35 at both ends thereof, a ring plate 36 extending into the ring groove 11 is provided on the circumferential wall of the cover plate 35, and bolts 37 are provided on the side wall of the cover plate 35, and the bolts 37 pass through the cover plate 35 and are connected to the wear-resistant pin 3.

Referring to fig. 4, a sealing groove 38 is formed on the outer wall of the ring plate 36, and the axis of the ring groove 11 is collinear with the axis of the sealing groove 38; fixing grooves 12 are formed in two opposite side walls of the cable clamp lug plate 1 and the box girder lug plate 2 (refer to fig. 2), the fixing grooves 12 are located on the outer sides of the ring grooves 11, and sealing rubber rings 39 are arranged between the sealing grooves 38 and the fixing grooves 12; when the cable bridge is installed, the cover plates 35 are covered at two ends of the wear-resistant pin shaft 3, the ring plates 36 are inserted into the ring grooves 11, the bolts 37 penetrate through the cover plates 35 to be connected with the wear-resistant pin shaft 3, finally the sealing rubber rings 39 are inserted into the fixing grooves 12 and the sealing grooves 38, and after raining, rainwater can slide down along the sealing rubber rings 39, the ring plates 36 and the cover plates 35, so that moisture or other harmful substances can be reduced from entering the space among the wear-resistant pin shaft 3, the cable clamp lug plates 1 and the box girder lug plates 2, the damage of moisture to the wear-resistant pin shaft 3, the cable clamp lug plates 1 and the box girder lug plates 2 can be reduced, and the influence on the safety and the durability of the cable bridge can be reduced.

Referring to fig. 3, a connecting sleeve 41 is arranged at one end of the single lug fork 4 away from the wear-resistant pin shaft 3, and a receiving groove 42 is annularly arranged at one end of the connecting sleeve 41 away from the wear-resistant pin shaft 3.

Referring to fig. 3, one end of the anchor cup 5 away from the cable body 6 extends into the connecting sleeve 41 and is in threaded connection with the connecting sleeve 41; the anchor cup 5 and the connecting sleeve 41 are connected by screw threads, so that the anchor cup 5 and the single-lug fork 4 can be conveniently and quickly connected.

Referring to fig. 3, since the connection sleeve 41 is in threaded connection with the anchor cup 5, the looseness is easy to occur after long-term use, a positioning plate 50 extending into the holding groove 42 is arranged on the outer side wall of the anchor cup 5, and the positioning plate 50 is in a circular ring shape; a plurality of screws 51 are arranged on the outer side wall of the connecting sleeve 41, and the screws 51 penetrate through one end of the connecting sleeve 41 to extend into the accommodating groove 42 and are connected with the positioning plate 50; the positioning plate 50 is inserted into the receiving groove 42, and the screw 51 is inserted through the connecting sleeve 41 and the positioning plate 50, so that the connection stability of the anchor cup 5 and the monaural fork 4 can be enhanced.

Referring to fig. 3, an insertion hole 52 for the cable body 6 to extend into is formed in one end, away from the connection sleeve 41, of the anchor cup 5, an installation groove 53 is annularly formed in the hole wall of the insertion hole 52, the installation groove 53 is arranged on one side, away from the anchor cup 5, a notch 54 is formed in one end, away from the connection sleeve 41, of the anchor cup 5, and the notch 54 is communicated with the installation groove 53.

Referring to fig. 3, a wear-resistant rubber ring 60 is arranged at one end of the cable body 6 close to the anchor cup 5, an insertion hole 61 for inserting the cable body 6 is arranged on the side wall of the wear-resistant rubber ring 60, and one end of the wear-resistant rubber ring 60 close to the anchor cup 5 is inserted into the installation groove 53 and a connecting ring pad 62 in the gap 54; when the cable body 6 is installed, the cable body 6 passes through the insertion hole 61, and the connection ring pad 62 is inserted into the installation groove 53 and the notch 54, so that friction between the cable body 6 and the anchor cup 5 can be reduced, and the service life of the cable body 6 and the anchor cup 5 can be prolonged.

Referring to fig. 5, the outer side wall of the wear-resistant pin shaft 3 is coated with a wear-resistant coating 34, preferably a KN17 high-molecular ceramic polymer wear-resistant coating, and by utilizing the high hardness and high wear resistance of the wear-resistant coating 34, the wear resistance of the wear-resistant pin shaft 3 is increased, and the possibility that the wear-resistant pin shaft 3 is easily damaged by friction is reduced.

The implementation principle of the above embodiment is as follows: after the wear-resistant pin shaft 3 is used for a long time, friction is generated between the wear-resistant pin shaft 3 and the cable clamp lug plate hole 10 and the box girder lug plate hole 20, and the hole wall of the cable clamp lug plate hole 10 and the hole wall of the box girder lug plate hole 20 are lubricated by the solid self-lubricating block 31, so that the friction force between the wear-resistant pin shaft 3 and the cable clamp lug plate 1 and between the wear-resistant pin shaft 3 and the box girder lug plate 2 can be reduced, and the wear between a sling and a cable clamp and between the sling and a box girder can be reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a wear-resisting hoist cable structure of suspension bridge which characterized in that: the cable clamp lug hole structure comprises a wear-resistant pin shaft (3) inserted into a cable clamp lug hole (10) and a box girder lug hole (20), a monaural fork (4) connected with the wear-resistant pin shaft (3), an anchor cup (5) connected with the monaural fork (4) and a cable body (6), wherein a steel wire at the end part of the cable body (6) is separated and inserted into the anchor cup (5), a plurality of lubricating holes (30) are uniformly distributed on the side wall of the wear-resistant pin shaft (3), and a solid self-lubricating block (31) used for lubricating the wall of the cable clamp lug hole (10) and the wall of the box girder lug hole (20) is arranged in each lubricating hole (30).

2. The wear resistant sling structure for suspension bridges of claim 1 wherein: and a spring (32) is arranged on the hole wall of the lubricating hole (30), and one end, far away from the hole bottom wall of the lubricating hole (30), of the spring (32) is abutted against the solid self-lubricating block (31).

3. The wear resistant sling structure for suspension bridges of claim 1 wherein: and the outer side wall of the wear-resistant pin shaft (3) is coated with a wear-resistant coating (34).

4. The wear resistant sling structure for suspension bridges of claim 1 wherein: all be equipped with annular (11) on the wall of the back of body that cable clamp otic placode (1) and case roof beam otic placode (2) from both sides, the both ends of wear-resisting round pin axle (3) are equipped with cover plate (35) respectively, be equipped with crown plate (36) that stretch into annular (11) on the perisporium of cover plate (35), be equipped with bolt (37) on the lateral wall of cover plate (35), bolt (37) pass cover plate (35) and are connected with wear-resisting round pin axle (3).

5. The wear resistant sling structure for suspension bridges of claim 4 wherein: be equipped with on the outer wall of crown plate (36) seal groove (38), all be equipped with fixed slot (12) on the wall of the back of body of cable clamp otic placode (1) and case roof beam otic placode (2), fixed slot (12) are located the outside of annular (11), be equipped with between seal groove (38) and fixed slot (12) and seal rubber ring (39).

6. The wear resistant sling structure for suspension bridges of claim 1 wherein: the side wall of the single-lug fork (4) is provided with a through hole (40) for the wear-resistant pin shaft (3) to pass through, and the side wall of the wear-resistant pin shaft (3) is provided with a wear-resistant rubber ring (300) which is abutted against the through hole (40).

7. The wear resistant sling structure for suspension bridges of claim 1 wherein: keep away from single ear fork (4) the one end of wear-resisting round pin axle (3) is equipped with adapter sleeve (41), keep away from anchor cup (5) the one end of cable body (6) stretches into adapter sleeve (41) and with adapter sleeve (41) threaded connection, adapter sleeve (41) are close to the one end ring of anchor cup (5) is equipped with holding tank (42), be equipped with on the lateral wall of anchor cup (5) and stretch into locating plate (50) of holding tank (42), be equipped with a plurality of screw (51) on the lateral wall of adapter sleeve (41), screw (51) pass the one end of adapter sleeve (41) stretch into in holding tank (42) and with locating plate (50) are connected.

8. The wear resistant sling structure for suspension bridges of claim 7 wherein: an insertion hole (52) for a cable body (6) to extend into is formed in one end, far away from the connecting sleeve (41), of the anchor cup (5), an installation groove (53) is annularly formed in the hole wall of the insertion hole (52), a notch (54) is formed in one end, far away from the connecting sleeve (41), of the anchor cup (5), and the notch (54) is communicated with the installation groove (53);

and a wear-resistant rubber ring (60) is arranged at one end, close to the anchor cup (5), of the cable body (6), and one end, close to the anchor cup (5), of the wear-resistant rubber ring (60) is inserted into the mounting groove (53) and the connecting ring pad (62) in the notch (54).