CN214298592U

CN214298592U - Cable-expanding disc for cable-stayed bridge

Info

Publication number: CN214298592U
Application number: CN202120293345.6U
Authority: CN
Inventors: 陈建宇
Original assignee: Liaoning Genyuan Road And Bridge Construction Engineering Co ltd
Current assignee: Liaoning Genyuan Road And Bridge Construction Engineering Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-09-28
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a cable-expanding disc for cable-stayed bridge, which comprises a base plate, a rotary disc and a supporting component, wherein the base plate is rotationally connected with the rotary disc, the upper end of the rotary disc is fixed with a central fixed shaft, the upper end surface of the rotary disc is sequentially provided with an inner ring body and an outer ring body from inside to outside, the inner ring body is rotationally connected with the rotary disc, the upper port of the inner ring body is uniformly distributed with a rack group I along the circumferential direction, the supporting component is arranged between the inner side wall of the outer ring body and the outer side wall of the central fixed shaft along the circumferential direction at equal intervals, the supporting component comprises an adjusting screw rod, an adjusting slider, a supporting rod and an adjusting rod, the adjusting screw rod is fixed with an adjusting gear matched with the rack group I, the adjusting slider is sleeved on the adjusting screw rod, the upper end of the adjusting slider is movably connected with the supporting rod, the utility model can adjust the positions of a plurality of supporting components simultaneously, and further can indirectly adjust the diameter of the supporting part, thereby not only improving the adjusting efficiency, but also be applicable to the whole dish suspension cable of different diameters, reduced processing cost and human cost.

Description

Cable-expanding disc for cable-stayed bridge

Technical Field

The utility model relates to an exhibition cable dish technical field specifically is an exhibition cable dish for cable-stay bridge.

Background

A cable-stayed bridge is also called a diagonal tension bridge, is a bridge with a main beam directly pulled on a bridge tower by a plurality of guys, and is a structural system formed by combining a pressure-bearing tower, a pulled guy and a bending-bearing beam body. It can be seen as a multi-span elastically supported continuous beam with guy cables instead of buttresses. It can reduce the bending moment in the beam body, reduce the building height, lighten the structural weight and save materials. The cable-stayed bridge mainly comprises a cable tower, a main beam and a stay cable.

At present, most of stay cables of a cable-stayed bridge are installed by special cable trays, namely, a plurality of cable trays corresponding to the stay cables need to be manufactured according to the diameter of the whole stay cable tray for each construction project, obviously, the processing cost and the labor cost are increased, the existing cable trays cannot be independently moved on a construction site, and the displacement can be completed by an auxiliary vehicle, so that the construction is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a problem that is proposed in order to solve above-mentioned background art is spread cable drum for cable-stay bridge.

In order to achieve the above object, the utility model provides a following technical scheme: a cable expanding disc for a cable-stayed bridge comprises a chassis, a turntable and supporting parts, wherein the upper end of the chassis is horizontally and rotatably connected with the turntable, a central fixed shaft is vertically fixed at the central position of the upper end of the turntable, the axis of the central fixed shaft and the circle center of the chassis are positioned on the same vertical line, an inner ring body and an outer ring body are sequentially arranged on the upper end surface of the turntable from inside to outside, the axes of the inner ring body and the outer ring body are superposed with the axis of the central fixed shaft, the inner ring body is rotatably connected with the turntable, a first rack group is uniformly distributed on the upper port of the inner ring body along the circumferential direction, the outer ring body is fixedly connected with the turntable, the supporting parts are annularly arranged between the inner side wall of the outer ring body and the outer side wall of the central fixed shaft at equal intervals along the circumferential direction, each supporting part comprises an adjusting screw rod, an adjusting slide block, a supporting rod and an adjusting rod, two ends of each adjusting screw rod are respectively and rotatably connected to the central fixed shaft and the outer ring body, and the adjusting screw rod is horizontally positioned above the inner ring body, one end of the adjusting screw rod, which is close to the outer ring body, is fixedly provided with an adjusting gear matched with the rack group I, the adjusting slide block is sleeved on the adjusting screw rod and is in sliding connection with the adjusting screw rod, the upper end of the adjusting slide block is movably connected with a support rod, and the adjusting rod can stretch out and draw back along the axial direction of the adjusting slide block.

Preferably, universal wheels are arranged at the bottom end of the chassis in an equidistant and surrounding mode.

Preferably, the base plate is rotatably connected with the rotary plate through a connecting piece, the connecting piece comprises an annular sliding groove formed in the upper end face of the base plate, a sliding ball body connected in the annular sliding groove in a sliding mode, a fixed loop bar vertically fixed at the upper end of the sliding ball body and fixed sleeves connected to the bottom end face of the rotary plate in a rotating mode along the circumferential direction of the rotary plate at equal intervals, and the fixed loop bar is in threaded connection with the fixed sleeves.

Preferably, the outer side wall of the inner ring body is sleeved with the driving ring body, the outer side wall of the driving ring body is uniformly distributed with the second rack sets along the circumferential direction, the side wall of the outer ring body is provided with an operation window, an operation gear is horizontally and rotatably connected in the operation window, and the operation gear is matched with the second rack sets.

Preferably, the adjusting rod is composed of a threaded sleeve and a threaded sleeve rod in threaded connection with the inner wall of the threaded sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses an under the cooperation of operating gear and drive ring body, the drive internal ring body rotates to under rack group one and adjusting gear's effect, can adjust a plurality of support component's position simultaneously, and then can indirectly adjust the diameter size of the supporting part that the circle that is enclosed by a plurality of bracing pieces around central fixed axle forms fast, not only improved regulation efficiency, make moreover the utility model is suitable for a whole dish suspension cable of different diameters has reduced processing cost and human cost.

(2) The utility model discloses a length change of control adjustment lever can make the angle of bracing piece change indirectly, makes the upper end of the support bar incline to the one end at central fixed axle place or the one end at outside ring body place inclines, and the inclination size can be adjusted indirectly through the length of control adjustment lever moreover, can further be applicable to different whole dish suspension cable like this, improves the utility model discloses an adaptability.

(3) The utility model discloses a base is equipped with the universal wheel, therefore, and the whole device of being convenient for can independently remove on the job site, need not auxiliary vehicle and just can accomplish the aversion, the construction of being convenient for.

Drawings

Fig. 1 is a top view of the structure of the present invention;

FIG. 2 is a side sectional view of the structure of the present invention;

fig. 3 is a schematic structural view of the chassis.

In the figure: 1. a chassis; 2. a turntable; 3. a central fixed shaft; 4. an inner ring body; 5. an outer ring body; 6. adjusting the screw rod; 7. adjusting the sliding block; 8. a support bar; 9. adjusting a rod; 10. an adjusting gear; 11. a drive ring body; 12. an operating window; 13. an operating gear; 14. an annular chute; 15. a sliding sphere; 16. fixing the loop bar; 17. fixing the sleeve; 18. a universal wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a cable-expanding disc for a cable-stayed bridge comprises a chassis 1, a turntable 2 and a supporting part, wherein the upper end of the chassis 1 is horizontally and rotatably connected with the turntable 2, a central fixed shaft 3 is vertically fixed at the central position of the upper end of the turntable 2, the axis of the central fixed shaft 3 and the center of the chassis 1 are positioned on the same vertical line, an inner ring body 4 and an outer ring body 5 are sequentially arranged on the upper end surface of the turntable 2 from inside to outside, the axes of the inner ring body 4 and the outer ring body 5 are overlapped with the axis of the central fixed shaft 3, the inner ring body 4 is rotatably connected with the turntable 2, a first rack group is uniformly distributed at the upper end opening of the inner ring body 4 along the circumferential direction, the outer ring body 5 is fixedly connected with the turntable 2, the supporting part is annularly arranged between the inner side wall of the outer ring body 5 and the outer side wall of the central fixed shaft 3 at equal intervals along the circumferential direction to form a supporting part for sleeving the cable-stayed cable of the whole disc, the device can be used for sleeving the whole disc of the stay cable, in addition, the number of the supporting pieces can be properly increased or reduced according to actual production requirements, each supporting part comprises an adjusting screw rod 6, an adjusting slide block 7, a supporting rod 8 and an adjusting rod 9, two ends of each adjusting screw rod 6 are respectively connected to the central fixed shaft 3 and the outer ring body 5 in a rotating mode, the adjusting screw rods 6 are horizontally arranged above the inner ring body 4, an adjusting gear 10 matched with the rack group I is fixed at one end, close to the outer ring body 5, of each adjusting screw rod 6, the adjusting slide blocks 7 are sleeved on the adjusting screw rods 6 and are in sliding connection with the adjusting screw rods 6, the supporting rods 8 are movably connected to the upper ends of the adjusting slide blocks 7, and the adjusting rods 9 can stretch out and draw back along the axial direction of the adjusting screw rods 9.

In this embodiment, the bottom end of the chassis 1 is provided with universal wheels 18 at equal intervals, so that the whole device can be moved conveniently.

In this embodiment, chassis 1 is connected with carousel 2 rotation through the connecting piece, and the connecting piece is including offering annular spout 14, sliding connection in annular spout 14 of chassis 1 up end, fixed loop bar 16 of vertical fixation in sliding ball 15 upper end and along 2 circumferencial directions of carousel and equidistant rotation of connection in the fixed sleeve 17 on carousel 2 bottom end face, fixed loop bar 16 and fixed sleeve 17 threaded connection adopt the screw thread mode between fixed loop bar 16 and the fixed sleeve 17 to dismantle carousel 2 and connect on chassis 1, easy operation adopts detachable connected mode moreover, makes things convenient for the transportation of whole device.

In this embodiment, the outer side wall of the inner ring 4 is sleeved with the driving ring 11, the outer side wall of the driving ring 11 is uniformly distributed with the second rack set along the circumferential direction, the side wall of the outer ring 5 is provided with the operating window 12, the operating window 12 is horizontally and rotatably connected with the operating gear 13, the operating gear 13 is matched with the second rack set, when the operating gear 13 is rotated, the inner ring 4 is driven to rotate under the cooperation of the second rack set, and in the rotating process of the inner ring 4, the first rack set and the adjusting gear 10 are driven to rotate to drive the adjusting screw 6 to further drive the adjusting slider 7 to move along the adjusting screw 6, so that the diameter of a supporting part formed by a circle formed by a plurality of supporting rods 8 around the central fixed shaft 3 can be indirectly adjusted, and the adjusting device is suitable for whole-disc stay cables with different diameters.

In this embodiment, adjust pole 9 by threaded sleeve and constitute with threaded sleeve inner wall threaded connection's threaded sleeve pole, change the length of adjusting pole 9 through rotating threaded sleeve or threaded sleeve pole, when the length of adjusting pole 9 changes, can indirectly make the angle of bracing piece 8 change, 8 upper ends of the bracing piece incline to the one end at central fixed axle 3 place or incline to the one end at outside ring body 5 place, and the angle of inclination size can be adjusted indirectly through the length of control regulation pole 9, can further be applicable to different whole dish suspension cables like this, improve the utility model discloses an suitability.

The working principle is as follows: when in use, the chassis 1 and the turntable 2 are connected together through the connecting piece, as shown in fig. 1, then the operating gear 13 is rotated, under the coordination of the rack group two, the ring body 11 is driven to drive the inner ring body 4 to rotate, and in the rotating process of the inner ring body 4, the adjusting screw rod 6 is driven to rotate under the coordination of the rack group one and the adjusting gear 10, and then the adjusting slider 7 is driven to move along the adjusting screw rod 6, so that the diameter size of a supporting part formed by a circle surrounded by a plurality of supporting rods 8 around the central fixed shaft 3 can be indirectly and rapidly adjusted, and the utility model is suitable for the whole-disc stay cables with different diameters, after the diameter size of the supporting part is adjusted to a proper position, the length of the adjusting rod 9 is controlled, and then the length of the adjusting rod 9 can be further controlled to change the inclination angle of the supporting rod 8 (the upper end of the supporting rod 8 is inclined towards one end of the central fixed shaft 3 or the end of the ring body 5 is inclined outwards), can further be applicable to different whole dish suspension cables like this, improve the utility model discloses an adaptability.

Many the size of the circle that bracing piece 8 encloses around central fixed axle 3 is adjustable, and the diameter of the supporting part of formation is adjustable to can be applicable to the whole set of suspension cable of different diameters, thereby improve the utility model discloses a utilization ratio also saves processing cost and human cost.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a exhibition cable dish for cable-stay bridge, includes chassis (1), carousel (2) and support component, its characterized in that: the upper end of the chassis (1) is horizontally and rotatably connected with a turntable (2), a central fixing shaft (3) is vertically fixed at the central position of the upper end of the turntable (2), the axis of the central fixing shaft (3) and the circle center of the chassis (1) are located on the same vertical line, an inner ring body (4) and an outer ring body (5) are sequentially arranged on the upper end face of the turntable (2) from inside to outside, the centers of the inner ring body (4) and the outer ring body (5) are overlapped with the axis of the central fixing shaft (3), the inner ring body (4) is rotatably connected with the turntable (2), a first rack group is uniformly distributed at the upper end opening of the inner ring body (4) along the circumferential direction, the outer ring body (5) is fixedly connected with the turntable (2), supporting parts are annularly arranged between the inner side wall of the outer ring body (5) and the outer side wall of the central fixing shaft (3) at equal intervals along the circumferential direction, and each supporting part comprises an adjusting screw rod (6), Adjusting screw (6) both ends rotate respectively and connect on central fixed axle (3) and outer ring body (5), and adjusting screw (6) level is located the top of inner ring body (4), and adjusting screw (6) are close to the one end of outer ring body (5) and are fixed with adjusting gear (10) with a rack group looks adaptation, adjusting screw (7) suit is on adjusting screw (6) and with adjusting screw (6) sliding connection, and the upper end swing joint of adjusting screw (7) has bracing piece (8), adjusts pole (9) and can follow its axial extension and contraction.

2. A cable-stayed bridge cable-expanding tray according to claim 1, characterized in that: the bottom end of the chassis (1) is provided with universal wheels (18) at equal intervals.

3. A cable-stayed bridge cable-expanding tray according to claim 1, characterized in that: the chassis (1) is rotationally connected with the turntable (2) through a connecting piece, the connecting piece comprises an annular sliding groove (14) formed in the upper end face of the chassis (1), a sliding ball body (15) connected in the annular sliding groove (14) in a sliding mode, a fixed loop bar (16) vertically fixed at the upper end of the sliding ball body (15) and fixed sleeves (17) connected to the bottom end face of the turntable (2) in a rotating mode along the circumferential direction of the turntable (2) at equal intervals, and the fixed loop bar (16) is in threaded connection with the fixed sleeves (17).

4. A cable-stayed bridge cable-expanding tray according to claim 1, characterized in that: the outer side wall of the inner ring body (4) is sleeved with a driving ring body (11), a rack group II is uniformly distributed on the outer side wall of the driving ring body (11) along the circumferential direction, an operation window (12) is formed in the side wall of the outer ring body (5), an operation gear (13) is horizontally and rotatably connected in the operation window (12), and the operation gear (13) is matched with the rack group II.

5. A cable-stayed bridge cable-expanding tray according to claim 1, characterized in that: the adjusting rod (9) is composed of a threaded sleeve and a threaded sleeve rod in threaded connection with the inner wall of the threaded sleeve.