CN216072627U

CN216072627U - Wall-attached device for variable-cross-section special-shaped cable tower elevator of large-span cable-stayed bridge

Info

Publication number: CN216072627U
Application number: CN202122146060.2U
Authority: CN
Inventors: 周树奇; 王岳; 张亚锋; 陈高钢; 韩庆祝; 白昌杰; 梁奇; 周臣进; 房刚; 何印超
Original assignee: China Railway Construction Bridge Engineering Bureau Group Co Ltd
Current assignee: China Railway Construction Bridge Engineering Bureau Group Co Ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-03-18
Anticipated expiration: 2031-09-07

Abstract

The utility model provides a wall attachment device for a variable-section special-shaped cable tower elevator of a large-span cable-stayed bridge, which comprises a construction hoist arranged on the left side and the right side of a cable tower respectively, wherein a steel upright post is arranged on a bearing platform corresponding to the cable tower at a position between the construction hoist and the cable tower, the bottom of the construction hoist is fixedly connected with the steel upright post through a plurality of first connecting pieces, and the upper part of the construction hoist is fixedly connected with the cable tower through a plurality of third connecting pieces. In this design, to construction elevator, the steel stand plays the pile foundation effect, guarantees construction elevator bottom fixed strength, and this structure is compared and is passed through the mounting in the construction elevator lower part and fix big-end-up's lower tower body part on the variable cross-section cable tower upper cross-section, and this design guarantees cable tower bottom fixed stability, improves construction elevator installation strength simultaneously, guarantees that construction elevator climbs the accurate nature of track position and cage operation stability.

Description

Wall-attached device for variable-cross-section special-shaped cable tower elevator of large-span cable-stayed bridge

Technical Field

The utility model belongs to the field of bridge construction, and particularly relates to a wall attachment device for a variable-section special-shaped cable tower elevator of a large-span cable-stayed bridge.

Background

At present, in bridges such as cable-stay bridge or suspension bridge construction process, the form of bridge is various, the form that corresponds the cable tower is also various, but the highly general higher of cable tower, under such construction conditions, want safety, quick construction, must use electric lift equipment to construct, accelerate the construction progress and guarantee the bridge construction of subsequence, and there is reduction potential safety hazard in the process, guarantee speed for the project progress, consequently, need such equipment to assist the project construction, ensure that its project construction is on time, guarantee quality and guarantee volume is accomplished.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to provide a wall attachment device for a variable-cross-section special-shaped cable tower elevator of a large-span cable-stayed bridge, so as to improve the operation stability of the elevator, further accelerate the construction progress, ensure the subsequent bridge construction, improve the safety of the construction process, and improve the safety of the devices in the bridge construction.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a large-span cable-stay bridge variable cross section dysmorphism cable tower elevator attaches wall device, includes the construction elevator that sets up separately on cable tower left and right side, and the cushion cap that the cable tower corresponds is equipped with the steel stand in construction elevator and cable tower position department between, and the steel stand is less than the cable tower height, the construction elevator corresponds the part through a plurality of first connecting pieces and steel stand fixed connection that set up in order from top to bottom with the steel stand, and this construction elevator exceeds a plurality of third connecting pieces and cable tower fixed connection that the steel stand part set up in order from top to bottom.

Further, the steel upright post is fixedly connected with the cable tower through a plurality of second connecting pieces.

Further, the second connecting piece is of a seamless steel tube structure.

Furthermore, the second connecting pieces are arranged in pairs, the two second connecting pieces in pairs are symmetrically arranged on two sides of the steel upright post and are arranged along the tangential direction of the steel upright post, and the two second connecting pieces in pairs are V-shaped connecting structures with openings facing the cable tower.

Furthermore, the first connecting piece is a II-shaped wall attaching frame, the II-shaped wall attaching frame is a hot-dip galvanizing workpiece, two side wings are symmetrically protruded on one side of the steel upright post corresponding to the construction elevator, and the II-shaped wall attaching frame is fixedly connected to the two side wings.

Furthermore, the third connecting piece is a II-type wall-attached frame.

Further, the cable tower comprises a lower tower column and an upper tower column, the cross-sectional area of the lower tower column is gradually reduced from top to bottom, the cross-sectional area of the upper tower column is gradually increased from top to bottom, and the height of the steel stand column corresponds to the height of the lower tower column.

Furthermore, the construction lifter and the horizontal plane form an angle of 85-87 degrees and is obliquely arranged in the direction of the cable tower.

Furthermore, the construction elevator is a single-cage construction elevator.

Compared with the prior art, the wall-attached device for the variable-section special-shaped cable tower elevator of the large-span cable-stayed bridge has the following advantages:

(1) in this design, the cushion cap has set up the steel stand between construction elevator and cable tower, construction elevator lower part is through a plurality of first connecting pieces and steel stand fixed connection, upper portion is through third connecting piece and cable tower fixed connection, to construction elevator, the steel stand plays the pile foundation effect, guarantee construction elevator bottom fixed strength, this structure is compared and is passed through the mounting in the construction elevator lower part and fix the lower tower body part big-end-up on the variable cross section cable tower upper cross-section, this design guarantees cable tower bottom fixed stability, improve construction elevator erection strength simultaneously, guarantee the accurate nature of climbing track position on the construction elevator and cage operation stability.

(2) In this design, the steel stand passes through second connecting piece and cable tower fixed connection, and the second connecting piece plays supplementary fixed action to the steel stand, improves steel stand support strength and stability, and then improves construction elevator installation and operating stability, improves its operational safety nature.

(3) In this design, the second connecting piece is seamless steel pipe structure, and the second connecting piece sets up in pairs, and two second connecting pieces form V type connection structure, improve the stability of steel stand pile foundation effect.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of a wall-attached device of a variable-cross-section special-shaped cable tower elevator of a large-span cable-stayed bridge according to the embodiment;

FIG. 2 is a left side view of a wall attachment device of a variable cross-section special-shaped cable tower elevator of a large-span cable-stayed bridge according to the embodiment;

fig. 3 is a plan view of the arrangement of the construction elevator in this embodiment;

FIG. 4 is a front view of the steel stud of this embodiment;

FIG. 5 is a schematic view of the connection between the steel column, the cable tower and the construction hoist in this embodiment;

description of reference numerals:

1-steel upright posts; 11-flank; 2-a construction hoist; 3-a cable tower; 31-lower tower column; 32-upper tower column; 4-a first connector; 5-a second connector; 6-a third connector; 7-a bearing platform; 8-base.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1, 2 and 3, a wall-attached device for a variable-cross-section special-shaped cable tower elevator of a large-span cable-stayed bridge is provided, a cable tower 3 is arranged on a bearing platform 7, a construction hoist 2 is respectively arranged at the left side and the right side of the cable tower 3, the construction hoist 2 is correspondingly provided with a base 8, the base 8 is arranged on an auxiliary platform of a trestle beside the bearing platform 7, the construction hoist 2 is a single-cage construction hoist, for example, a hoist with the model of SC200G is adopted, the standard section specification of the construction hoist is 650 × 650 × 1508mm, a control room is provided, the corresponding cage size of the construction hoist is 3.2 × 1.5 × 2.5m, and the construction hoist and the cage structure are common structures, which will not be described herein. The bearing platform 7 is provided with a steel upright 1 at a position between the construction hoist 2 and the cable tower 3, and the steel upright 1 is fixed on the bearing platform 7 by anchor bolts, as shown in fig. 4. In this embodiment, the pylon 3 is a variable cross-section pylon and includes a lower pylon 31 and an upper pylon 32 disposed thereon, the cross-sectional area of the upper pylon 32 gradually increases from top to bottom, the cross-sectional area of the lower pylon 31 gradually decreases from top to bottom, that is, the width of the lower pylon 31 gradually decreases from top to bottom, the width of the upper pylon 32 gradually increases from top to bottom, and the connection position of the lower pylon 31 and the upper pylon 32 is the maximum position of the cross-sectional area of the pylon 3. The height of the steel upright 1 corresponds to that of the lower cable tower 31. Construction elevator 2 is in and steel stand 1 corresponding part through a plurality of first connecting piece 4 and the steel stand 1 fixed connection that from top to bottom set up in order and equidistance, for example every two adjacent first connecting piece 4 interval 6 meters set up. The part of the construction lifter 2, which is higher than the steel upright post 1, is fixedly connected with the cable tower 3 through a plurality of third connecting pieces 6 which are sequentially arranged from top to bottom and are arranged at equal intervals. In this embodiment, the first and third connecting members 6 are II-shaped wall-attached frames, respectively.

For the convenience of construction, the construction lifter 2 is obliquely arranged in the direction of the cable tower 3 at an angle of 85-87 degrees with the horizontal plane. For the variable cross-section cable tower described in this embodiment, if according to the conventional fixing manner, that is, the lower part of the construction hoist 2 and the lower tower column 31 are directly connected and fixed by attaching the wall frame, for the lower tower column 31, the construction hoist 2 respectively applies an outward acting force to the left and right side walls thereof, since the left and right side walls of the lower tower column 3 are inclined outward (the upper part and the lower part of the cross section of the lower tower column are small), on the one hand, the fixing stability of the bottom of the cable tower can be affected, and the strength of the cable tower is affected, so that the side wall of the lower tower column 31 of the cable tower is deformed, and further, the working state of the construction hoist is unstable, and potential safety hazards are brought to the construction. In this design, construction elevator and lower column 31 correspond the part and fix on steel stand 1, and steel stand 1 plays the pile foundation effect, has guaranteed 2 bottom fixed stability of construction elevator under its and the 8 combined action of base, guarantees 3 bottom fixity of cable tower and support strength simultaneously.

In this embodiment, the connection structure of the steel upright 1 and the construction hoist 2 is shown in fig. 5, the first connecting member 4 is a II-type wall-attached frame, the extension length of the II-type wall-attached frame in the horizontal linear direction can be adjusted, and the II-type wall-attached structure is a common wall-attached structure of a hoist and is not described herein again. The II-type wall-attached frame is a hot-dip galvanized part, so that the corrosion resistance of the II-type wall-attached frame is improved. The symmetrical protrusion in one side that steel stand 1 and construction elevator 2 correspond has two flanks 11, and flank 11 is the bar plate structure of vertical setting, and steel stand 1 is equipped with the strengthening rib that corresponds with flank 11, and II type attaches wall frame fixed connection on two flanks 11.

In this embodiment, in order to further improve the support stability and strength of the steel upright 1, the steel upright 1 is fixedly connected to the cable tower 3 through a plurality of second connecting members 5 arranged in sequence from top to bottom and at equal intervals, as shown in fig. 1 and 3. The second connecting member 5 is preferably a seamless steel tube structure. The second connecting piece 5 plays the auxiliary supporting role to the steel upright post 1, and the supporting strength of the steel upright post 1 is improved. Construction elevator bottom and steel upright 1 are connected fixedly, and direct and lower pylon 31 of construction elevator is connected fixedly, and the effort that the lateral wall of lower pylon 31 received reduces, guarantees 3 bottom stability of cable tower. For construction elevator 2, steel stand 1 plays the pile foundation effect this moment, guarantees construction elevator installation stability, and then guarantees cage operating stability, improves the construction security.

In this embodiment, for further improving steel upright 1 support stability, second connecting piece 5 sets up in pairs, and this two mated second connecting piece 5 symmetries set up in steel upright 1 both sides, and second connecting piece 5 arranges along steel upright 1 tangential direction, and two mated second connecting piece 5 are the V type connection structure of opening towards cable tower 3, see fig. 5. The concrete connection is as follows: 5 one ends of second connecting piece and 1 welded connection of steel stand, the 5 other ends of second connecting piece are equipped with flange joint portion, with this flange joint portion and 3 fixed connection of cable tower through the screw, realize

steel stand

1 and 3 fixed connection of cable tower from this, second connecting piece 5 is in pairs and sets to V type structure, just also two mated second connecting pieces 5 form isosceles triangle and support connection structure, improve 1 bearing stability of steel stand, both improve 2 operating stability of construction elevator, the safe construction has been guaranteed.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a large-span cable-stayed bridge variable cross section dysmorphism cable tower elevator attaches wall device which characterized in that: including in construction elevator (2) that cable tower (3) left and right side set up separately, cushion cap (7) that cable tower (3) correspond are equipped with steel stand (1) in construction elevator (2) and cable tower (3) position department between, and steel stand (1) are less than cable tower (3) height, construction elevator (2) correspond part through a plurality of first connecting piece (4) and steel stand (1) fixed connection that set up in order from top to bottom with steel stand (1), and this construction elevator (2) exceed steel stand (1) part through a plurality of third connecting piece (6) and cable tower (3) fixed connection that set up in order from top to bottom.

2. The wall-attached device of the large-span cable-stayed bridge variable-section special-shaped cable tower elevator according to claim 1, characterized in that: the steel upright post (1) is fixedly connected with the cable tower (3) through a plurality of second connecting pieces (5).

3. The wall-attached device of the large-span cable-stayed bridge variable-section special-shaped cable tower elevator as claimed in claim 2, is characterized in that: the second connecting piece (5) is of a seamless steel tube structure.

4. The wall-attached device of the large-span cable-stayed bridge variable-section special-shaped cable tower elevator as claimed in claim 3, wherein: the second connecting pieces (5) are arranged in pairs, the two paired second connecting pieces (5) are symmetrically arranged on two sides of the steel upright post (1), the second connecting pieces (5) are arranged along the tangential direction of the steel upright post (1), and the two paired second connecting pieces (5) are V-shaped connecting structures with openings facing the cable tower (3).

5. The wall-attached device of the large-span cable-stayed bridge variable-section special-shaped cable tower elevator according to claim 1, characterized in that: the first connecting piece (4) is a II-shaped wall attaching frame which is a hot-dip galvanizing workpiece, two side wings (11) are symmetrically protruded on one side of the steel upright post (1) corresponding to the construction lifter (2), and the II-shaped wall attaching frame is fixedly connected to the two side wings (11).

6. The wall-attached device of the large-span cable-stayed bridge variable-section special-shaped cable tower elevator according to claim 1, characterized in that: the third connecting piece (6) is a II-shaped wall-attached frame.

7. The wall-attached device of the large-span cable-stayed bridge variable-section special-shaped cable tower elevator according to claim 1, characterized in that: cable tower (3) are including pylon (31) and last pylon (32) down, and pylon (31) cross sectional area reduces from top to bottom gradually down, go up pylon (32) cross sectional area from top to bottom crescent, steel stand (1) height highly corresponds with lower pylon (31) height.

8. The wall-attached device of the large-span cable-stayed bridge variable-section special-shaped cable tower elevator as claimed in claim 7, wherein: the construction lifter (2) is obliquely arranged in the direction of the cable tower (3) at an angle of 85-87 degrees with the horizontal plane.

9. The wall-attached device of the large-span cable-stayed bridge variable-section special-shaped cable tower elevator according to claim 1, characterized in that: the construction hoist (2) is a single cage construction hoist.