CN114108465A - Light adjusting device for tensioning sling and suspension bridge - Google Patents
Light adjusting device for tensioning sling and suspension bridge Download PDFInfo
- Publication number
- CN114108465A CN114108465A CN202111623165.0A CN202111623165A CN114108465A CN 114108465 A CN114108465 A CN 114108465A CN 202111623165 A CN202111623165 A CN 202111623165A CN 114108465 A CN114108465 A CN 114108465A
- Authority
- CN
- China
- Prior art keywords
- sling
- jack
- clamping
- cable
- tensioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/02—Suspension bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a light adjusting device for tensioning a sling and a suspension bridge, belonging to the field of sling tensioning adjustment.A main cable is provided with a cable clamp, one end of the sling is connected with the cable clamp through a sling anchor head, the other end of the sling is connected with a main beam, and the light adjusting device is arranged between the main cable and the main beam and is characterized in that the light adjusting device comprises a jack and two clamping plates for clamping the cable clamp; the cable clamp is arranged between the two clamping plates; clamping grooves are formed in the clamping plates, and two end parts of the sling anchor head are respectively embedded in the clamping grooves of the two clamping plates; the opening of the clamping groove faces the main beam; connecting pieces are arranged on two sides of the sling in parallel, the jack drives the connecting pieces to move along the axial direction of the sling, and the jack is arranged on the clamping plate; the connecting piece is connected with the fixing plate; the fixing plate is attached to the end face of one side, far away from the main cable, of the main beam; the connecting pieces on the two sides of the sling are pulled by the jack, so that the tensioning force of the sling can be quickly adjusted, and the device is simple to operate and wide in application range.
Description
Technical Field
The invention belongs to the technical field of sling tensioning adjustment, and particularly relates to a light adjusting device for sling tensioning and a suspension bridge.
Background
The suspension bridge sling is one of the most key stressed members of the suspension bridge, and in the construction process of the suspension bridge, after the construction of a main beam is finished, part of slings have uneven tension, so the influence of line shape and cable force is comprehensively considered, and the cable force of the sling is required to be adjusted;
at present, the domestic related technology is measures taken aiming at sling replacement, a temporary cable clamp and a temporary sling are additionally arranged on a main cable at the core of the measures, and the adopted device is complex, so that the working efficiency of sling adjustment is reduced, the labor intensity of workers is high, and the adjustment cost is high.
Disclosure of Invention
The invention aims to provide a light adjusting device for tensioning a sling and a suspension bridge, which solve the problem of adjusting the tension of a rigid sling by a simple and light device.
In order to achieve the purpose, on one hand, the technical scheme adopted by the invention is as follows:
a light adjusting device for tensioning a sling is characterized in that a cable clamp is arranged on a main cable, one end of the sling is connected with the cable clamp through a sling anchor head, the other end of the sling is fixedly arranged on a main beam, the light adjusting device is arranged between the main cable and the main beam, and the light adjusting device comprises a jack and two clamping plates for clamping the cable clamp; the cable clamp is arranged between the two clamping plates; clamping grooves are formed in the clamping plates, and two end parts of the sling anchor head are respectively embedded in the clamping grooves of the two clamping plates; the opening of the clamping groove faces the main beam;
connecting pieces are arranged on two sides of the sling in parallel, the jack drives the connecting pieces to move along the axial direction of the sling, and the jack is arranged on the clamping plate; the connecting piece is connected with the fixing plate; the fixed plate is attached to the end face of one side, away from the main cable, of the main beam.
Preferably, the jack is a feed-through jack; one end of the connecting piece penetrates through the jack and is connected with the first nut; the other end of the connecting piece penetrates through the fixing plate and is connected with the second nut.
Preferably, a plurality of first bolts for fixing the jacks are arranged on the clamping plate, and the first bolts are arranged on one sides of the jacks close to the main beam; and a supporting plate for supporting the jack is arranged between the first bolt and the jack.
Preferably, a plurality of second bolts are arranged on the clamping plate; the first bolt and the second bolt penetrate through the two clamping plates and then are connected with the third nut, and the third nut is rotated to adjust the clamping force of the two clamping plates on the cable clamp.
Preferably, a top plate and a gasket are arranged between the first nut and the jack; the first nut, the gasket, the top plate and the jack are sequentially attached to one another.
Preferably, a base plate and a cushion block are arranged between the second nut and the fixing plate; the fixing plate, the base plate, the cushion block and the second nut are sequentially attached to one another.
Preferably, the connecting piece is made of deformed steel bar.
Preferably, the device further comprises a stress sensor; the stress sensor is arranged on the sling; the stress sensor is electrically connected with an external computer.
A suspension bridge comprises a main cable and a main beam; and the light adjusting device is arranged between the main cable and the main beam.
Compared with the prior art, the invention has the following beneficial effects:
the light adjusting device comprises a jack and two clamping plates for clamping a cable clamp: the cable clamp is arranged between the two clamping plates; clamping grooves are formed in the clamping plates, and two end parts of the sling anchor head are respectively embedded in the clamping grooves of the two clamping plates; the opening of the clamping groove faces the main beam; the clamping action through splint prevents that hoist cable anchor head and draw-in groove from breaking away from, inlays respectively through the both ends of hoist cable anchor head and provides the stress position in the draw-in groove of two splint, this simple structure, and the centre gripping is convenient, and is fixed firm, can improve the regulation efficiency of hoist cable.
In the invention, connecting pieces are arranged on two sides of the sling in parallel, the jack drives the connecting pieces to move along the axial direction of the sling, and the jack is arranged on the clamping plate; the connecting piece is connected with the fixing plate; the connecting piece is connected with the fixing plate; the fixing plate is attached to the end face of one side, far away from the main cable, of the main beam; the connecting pieces on the two sides of the sling are pulled by the jack, so that the tensioning force of the sling can be quickly adjusted, and the device is simple to operate and wide in application range.
Drawings
FIG. 1 is a block diagram of a lightweight adjustment device for cable tensioning according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating the connection between a sling and a main cable according to an embodiment of the present invention;
FIG. 3 is a diagram of the connection of a cleat and a cable clamp according to an embodiment of the present invention;
fig. 4 is a connection relationship diagram of a fixing plate and a main beam provided by the embodiment of the invention.
In the figure: the device comprises a clamping plate 1, a second bolt 2, a first bolt 3, a gasket 4, a jack 5, a supporting plate 6, a connecting piece 7, a top plate 8, a first nut 9A, a second nut 9B, a third nut 9C, a base plate 10, a fixing plate 11, a cable clamp 12, a sling 13, a sling anchor head 14, a main cable 15, a stress sensor 16, a cushion block 17, a main beam 18 and a clamping groove 19.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
It should be noted that in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example one
As shown in fig. 1-4, a light adjusting device for tensioning a sling, a cable clamp 12 is arranged on a main cable 15, a sling anchor head 14 is arranged at one end of a sling 13, the sling anchor head 14 is connected with the cable clamp 12 through a pin shaft, the other end of the sling 13 is fixed on a main beam 18, the light adjusting device is arranged between the main cable 15 and the main beam 18, and the light adjusting device comprises a stress sensor 16, a jack 5 and two clamping plates 1 for clamping the cable clamp 12; the stress sensor 16 is arranged on the sling 13; the stress sensor 16 is electrically connected with an external computer; the internal stress of the sling 13 is monitored by a stress sensor 16 and displayed by an external computer to assist the adjustment of the sling by a worker.
The cable clamp 12 is arranged between the two clamping plates 1; clamping grooves 19 are formed in the clamping plates 1, two end parts of the sling anchor head 14 are respectively embedded into the clamping grooves 19 of the two clamping plates 1, the opening of each clamping groove 19 faces the main beam 18, and a light adjusting device and a stress part of the main cable 15 are formed; the two end parts of the anchor head of the sling are embedded in the clamping grooves of the two clamping plates respectively to provide stress positions, the structure is simple, the clamping is convenient, the fixing is firm, and the adjusting efficiency of the sling can be improved.
The jack 5 is arranged between the two clamping plates 1; a plurality of first bolts 3 for fixing the jacks are arranged on the clamping plate 1, and the first bolts 3 are arranged on one sides of the jacks 5 close to the main beam 18; a supporting plate 6 for supporting the jack is arranged between the first bolt 3 and the jack 5; a plurality of second bolts 2 are arranged on the clamping plate 1; the first bolt 3 and the second bolt 2 penetrate through the two clamping plates 1 and then are connected with the third nut 9C, the clamping force of the third nut 9C section and the two clamping plates 1 on the cable clamp 12 is rotated, and the sling anchor head 14 is prevented from being separated from the clamping groove 19 through the clamping effect of the first bolt 3 and the second bolt 2.
Connecting pieces 7 are arranged on two sides of the sling 13 in parallel, the connecting pieces 7 are made of deformed steel bars, and the structure of the connecting pieces 7 is not limited to the deformed steel bars and can also be made of metal pull rods; the jack 5 is a feed-through jack; one end of the connecting piece 7 penetrates through the jack 5 to be connected with a first nut 9A, a top plate 8 and a gasket 4 are arranged between the first nut 9A and the jack 5, the first nut 9A, the gasket 4, the top plate 8 and the jack 5 are sequentially attached to each other, and the gasket 4 and the top plate 8 are used for buffering and increasing the stress area; the jack 5 drives the connecting piece 7 to move along the axial direction of the sling 13.
The other end of the connecting piece 7 penetrates through a fixing plate 11 to be connected with a second nut 9B, a cushion plate 10 and a cushion block 17 are arranged between the second nut 9B and the fixing plate 11, the cushion plate 10, the cushion block 17 and the second nut 9B are sequentially attached to each other; the cushion plate 10 and the cushion block 17 are used for buffering and increasing the stress area; the fixing plate 11 penetrates from one side of the main beam 18 to the other side of the main beam 18, and the fixing plate 11 is attached to the end face of the main beam 18 far away from the main cable side, so that the structure is simple and convenient to fix; the two connecting pieces 7 are respectively connected with two ends of the fixing plate 11; the connecting piece 7 pulls the fixing plate 11, so that the fixing plate 11 is propped against the main beam 18, and a light adjusting device and a stressed part of the main beam 18 are formed.
Working principle; the staff installs the light adjustment device between the main cable 15 and the main beam 18; monitoring the internal stress of the sling 13 through a stress sensor 16, and adjusting the extending length of the jack by a worker according to the monitored internal stress of the sling 13; the jack 5 pushes the connecting piece 7 to move axially along the sling by a first nut; the connecting piece 7 pulls the fixing plate 11 to enable the fixing plate 11 to be propped against the main beam 18; measuring the stress variation of the sling through a stress sensor 16, and stopping the loading of the jack 5 until the theoretical stress variation is reached; and adjusting a nut at the lower end of the sling to finish the adjustment of the sling force.
Example two
A suspension bridge comprises a main cable 15, a cable clamp 12, a sling 13 and a main beam 18 which are connected in sequence; the light adjusting device of the first embodiment is arranged between the main cable 15 and the main beam 18.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A light adjusting device for tensioning a sling is characterized in that a cable clamp (12) is arranged on a main cable (15), one end of the sling (13) is connected with the cable clamp (12) through a sling anchor head (14), the other end of the sling (13) is fixedly arranged on a main beam (18), and the light adjusting device is arranged between the main cable (15) and the main beam (18) and comprises a jack (5) and two clamping plates (1) for clamping the cable clamp; the cable clamp (12) is arranged between the two clamping plates (1); clamping grooves (19) are formed in the clamping plates (1), and two end parts of the sling anchor head (14) are respectively embedded in the clamping grooves (19) of the two clamping plates (1); the opening of the clamping groove (19) faces the main beam (18);
connecting pieces (7) are arranged on two sides of the sling (13) in parallel, the jack (5) drives the connecting pieces (7) to move along the axial direction of the sling, and the jack (5) is arranged on the clamping plate (1); the connecting piece (7) is connected with the fixing plate (11); the fixing plate (11) is attached to the end face of one side, far away from the main cable, of the main beam (18).
2. A lightweight adjustment device for sling tensioning as claimed in claim 1, characterised in that said jack (5) is a through-center jack; one end of the connecting piece (7) penetrates through the jack (5) and is connected with the first nut (9A); the other end of the connecting piece (7) penetrates through the fixing plate to be connected with a second nut (9B).
3. A lightweight adjustment device for sling tensioning as claimed in claim 1 or 2, wherein said clamping plate (1) is provided with a plurality of first bolts (3) for fixing the jack, said first bolts (3) being provided on the side of the jack (5) adjacent to the main beam (18); and a supporting plate (6) for supporting the jack is arranged between the first bolt (3) and the jack (5).
4. A lightweight adjustment device for cable tensioning as claimed in claim 3, characterized in that a plurality of second pins (2) are provided on the clamping plate (1); the first bolt (3) and the second bolt (2) penetrate through the two clamping plates and then are connected with a third nut (9C), and the third nut (9C) is rotated to adjust the clamping force of the two clamping plates (1) on the cable clamp (12).
5. A lightweight adjustment device for sling tensioning as claimed in claim 3, characterised in that a top plate (8) and a spacer (4) are provided between the first nut (9A) and the jack (5); the first nut (9A), the gasket (4), the top plate (8) and the jack (5) are sequentially attached to each other.
6. A lightweight adjusting device for sling tensioning as claimed in claim 3, characterised in that a shim plate (10) and a shim block (17) are arranged between the second nut (9B) and the fixing plate (11); the fixing plate (11), the backing plate (10), the cushion block (17) and the second nut (9B) are sequentially attached to each other.
7. A lightweight adjustment device for sling tensioning as claimed in claim 1, characterised in that the attachment piece (7) is of screw steel.
8. A lightweight adjustment device for sling tensioning as claimed in claim 1, further comprising a stress sensor (16); the stress sensor (16) is arranged on the sling (13); the stress sensor (16) is electrically connected to an external computer.
9. A suspension bridge comprises a main cable (15) and a main beam (18); characterized in that a light adjusting device according to any one of claims 1-8 is arranged between the main cable (15) and the main beam (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111623165.0A CN114108465A (en) | 2021-12-28 | 2021-12-28 | Light adjusting device for tensioning sling and suspension bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111623165.0A CN114108465A (en) | 2021-12-28 | 2021-12-28 | Light adjusting device for tensioning sling and suspension bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114108465A true CN114108465A (en) | 2022-03-01 |
Family
ID=80362691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111623165.0A Pending CN114108465A (en) | 2021-12-28 | 2021-12-28 | Light adjusting device for tensioning sling and suspension bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114108465A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102489940B1 (en) * | 2022-03-24 | 2023-01-18 | 주식회사 홍익기술단 | Deflection Measuring Smart Monitoring System and Method thereof |
-
2021
- 2021-12-28 CN CN202111623165.0A patent/CN114108465A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102489940B1 (en) * | 2022-03-24 | 2023-01-18 | 주식회사 홍익기술단 | Deflection Measuring Smart Monitoring System and Method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113454306B (en) | Integral lifting construction method and device for arch structure | |
| CN109137763A (en) | Drag-line cutter device and drag-line Demolition Construction method | |
| CN111894302A (en) | Cable dismantling device and method | |
| CN114108465A (en) | Light adjusting device for tensioning sling and suspension bridge | |
| CN113291973A (en) | Assembled building construction high accuracy hoist | |
| CN208949750U (en) | Drag-line cutter device | |
| CN217266926U (en) | Light adjusting device for tensioning sling and suspension bridge | |
| CN211447732U (en) | Attached lifting scaffold is with hoist and mount subassembly | |
| CN108612715A (en) | It is a kind of from limit-type quick-clamping bolt and its installation method | |
| CN208792172U (en) | A kind of bridge prestress tensioning equipment | |
| CN1027248C (en) | Method and apparatus for repairing girder bending-down of bridge crane | |
| CN113389365B (en) | Protective structure is kept apart to assembled stereoplasm | |
| CN220593002U (en) | Grinding roller assembly dismounting device | |
| CN217204052U (en) | Adjustable limiting device convenient for tensioning, disassembling and locking anchor cable | |
| CN219426683U (en) | Auxiliary assembling tool for multiplying power conversion of crane | |
| CN220978531U (en) | Ceiling fossil fragments hoisting structure | |
| CN215292518U (en) | Adjustable positioning device for secondary lining reinforcing steel bar protection layer of large-section tunnel | |
| CN212639700U (en) | Lifting clamp for grinding wheel | |
| CN211279061U (en) | Precast concrete square pile tensioning device | |
| CN219990928U (en) | Steel truss arch bridge space rod piece hoisting sling | |
| CN208992608U (en) | One kind waving non-return butterfly valve shaft and splits out device | |
| CN114892548B (en) | Down-pressure type external prestress CFRP material reinforcing system and construction method thereof | |
| CN220031755U (en) | Contact net falls weight pole mounting fixture | |
| CN219860130U (en) | Pump guard board auxiliary dismounting device | |
| CN219170792U (en) | Inverted tool of coupling bolt stretcher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |