CN111877160A - Telescopic semi-automatic movable transverse connection device and construction method thereof - Google Patents

Telescopic semi-automatic movable transverse connection device and construction method thereof Download PDF

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Publication number
CN111877160A
CN111877160A CN202010504142.7A CN202010504142A CN111877160A CN 111877160 A CN111877160 A CN 111877160A CN 202010504142 A CN202010504142 A CN 202010504142A CN 111877160 A CN111877160 A CN 111877160A
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China
Prior art keywords
hydraulic jack
hinged
buckle seat
link
fixed
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CN202010504142.7A
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Chinese (zh)
Inventor
王�华
梁俊
韦宗志
王龙林
廖辉
王伟芳
吴冬兰
刘家耀
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Guangxi Jiaoke Group Co Ltd
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Guangxi Jiaoke Group Co Ltd
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Priority to CN202010504142.7A priority Critical patent/CN111877160A/en
Publication of CN111877160A publication Critical patent/CN111877160A/en
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D4/00—Arch-type bridges

Abstract

The invention discloses a telescopic semi-automatic movable transverse connection device, which comprises a rotary driving piece, a hinged hydraulic jack, a movable transverse connection and a fixed buckle, wherein the rotary driving piece is connected with the movable transverse connection; the rotary driving piece is hung on the section steel combined truss right above the tower platform, the bottom of the rotary driving piece is connected with the fixed section of the hinged hydraulic jack, one end of the fixed section of the hinged hydraulic jack is hinged on the platform of the tower, and the end part of the telescopic end of the hinged hydraulic jack is provided with a first lug plate with a hole; a sleeve is slidably sleeved on the movable transverse link, a second lug plate is installed on the sleeve, and the sleeve is hinged with the telescopic end of the hinged hydraulic jack in a mode that the second lug plate is connected with the first lug plate; one end of the movable transverse link is arranged on an upright post at the inner side of the tower frame through a hinged support; the other end of the movable transverse connection is provided with a fixed buckle, and the fixed buckle comprises a fastening buckle seat and a fixed buckle seat. The invention can provide transverse connection of activities, thereby facilitating the hoisting of heavy objects and simultaneously meeting the requirement of the integral stability of the tower.

Description

Telescopic semi-automatic movable transverse connection device and construction method thereof
Technical Field
The invention relates to the technical field of integral hoisting construction of arch sections in arch bridge construction, in particular to a telescopic semi-automatic movable transverse connection device and a construction method thereof.
Background
In the construction process of the arch bridge, the temporary tower is a very common temporary construction structure and is mainly used for hoisting heavy objects in the construction process. In order to improve the spatial stability of the tower, a transverse relation is often required. The common transverse connection is often fixed, so that the trafficability of a heavy object during hoisting is very poor, and the construction progress and the construction safety are influenced. Therefore, the transverse connection of the activities is provided, so that the requirement on the integral stability of the tower can be met, and the requirement on the trafficability of the hoisted heavy object can be met.
Disclosure of Invention
In view of the above, there is a need for a retractable semi-automatic movable transverse connection device and a construction method thereof, which can provide movable transverse connection, thereby facilitating the hoisting of heavy objects and satisfying the requirement of the overall stability of the tower.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a telescopic semi-automatic movable transverse connection device comprises a rotary driving piece, a hinged hydraulic jack, a movable transverse connection and a fixed buckle; the rotary driving piece is hung on the section steel combined truss right above the tower platform, the bottom of the rotary driving piece is connected with the fixed section of the hinged hydraulic jack, one end of the fixed section of the hinged hydraulic jack is hinged to the platform of the tower, the other end of the fixed section of the hinged hydraulic jack is far away from the telescopic end of the hinged hydraulic jack relative to the joint of the hinged hydraulic jack and the rotary driving piece, the hinged hydraulic jack rotates around the other end of the fixed section of the hinged hydraulic jack under the action of the rotary driving piece, and the end part of the telescopic end of the hinged hydraulic jack is provided with a first lug plate with holes; a sleeve is slidably sleeved on the movable cross link, a second lug plate is mounted on the sleeve, and the sleeve is hinged with the telescopic end of the hinged hydraulic jack in a mode that the second lug plate is connected with the first lug plate; one end of the movable transverse link is arranged on an upright post at the inner side of the tower through a hinged support which is positioned right above the hinged hydraulic jack and positioned at one side of the hinged hydraulic jack where the telescopic end extends when the telescopic end is at the maximum retraction amount; the other end of the movable cross-link is provided with a fixed buckle, the fixed buckle comprises a fastening buckle seat and a fixed buckle seat, the fastening buckle seat is arranged on the movable cross-link and is positioned on two opposite sides of the movable cross-link along two ends of the movable cross-link in the radial direction, a plurality of round holes are formed in the two ends of the movable cross-link, the fixed buckle seat is positioned on another tower stand column, the other tower stand column is opposite to the tower stand column where the hinged support is positioned, the fixed buckle seat is provided with a bolt hole corresponding to the round hole, the fixed buckle seat is opposite to the fastening buckle seat when the movable cross-link is driven to the horizontal position by the hinged hydraulic jack and the rotary driving piece, at the moment, the through hole of the fixed buckle seat is opposite to the bolt hole of the fastening buckle seat, and the fixed buckle seat and the fastening buckle seat are connected with each other in a mode of serially connecting the bolt hole and the.
Preferably, the rotary driving member is a chain block, a tower crane or a boat crane.
Preferably, the bottom of the rotary driving piece is connected with a hoisting hole in the hinged hydraulic jack in a hooking mode through a lifting hook.
Preferably, the movable cross-link is of a telescopic structure, a fixed section of the movable cross-link is connected with the hinged support and provided with the sleeve, and a fastening buckle seat is arranged on a telescopic section of the movable cross-link.
Preferably, the movable transverse connection is a double-layer hollow steel pipe structure.
Preferably, the first and second ear plates are hinged by a high strength bolt.
Preferably, the fixing buckle seat and the fastening buckle seat are fixed in a welding mode after being connected.
Preferably, the round hole is formed when the fastening buckle seat is butted with the fixed buckle seat.
Based on the above, the invention provides a construction method of a telescopic semi-automatic movable transverse connection device, which comprises the following steps:
(1) a hinged support is arranged on an upright post at the inner side of the tower frame, a fixed buckle seat is arranged on the upright post opposite to the upright post, and the movable transverse link is fixed on the upright post through the hinged support;
(2) a hinged hydraulic jack is arranged on a platform of the tower frame, and the telescopic end of the hinged hydraulic jack is positioned at one side of the hinged support;
(3) a sleeve is arranged on the movable transverse link, and a second lug plate on the sleeve is connected with a first lug plate on the hinged hydraulic jack through a high-strength bolt;
(4) a rotary driving piece is arranged on the section steel combined truss right above the platform, and a lifting hook of the rotary driving piece hooks a lifting hole in the hinged hydraulic jack;
(5) when the elevation of the bottom of the hoisting arch section is higher than that of the movable transverse-linkage hinged support, the hinged hydraulic jack is loaded, the hinged hydraulic jack pushes the movable transverse linkage to rotate, and the loading is stopped when the telescopic stroke of the hinged hydraulic jack reaches a preset value;
(6) operating the rotary driving piece to pull up the hinged hydraulic jack and drive the movable transverse link to rotate to a horizontal position;
(7) extending the movable cross-link until the fastening buckle seat at one end of the movable cross-link reaches the fixed buckle seat, aligning the fastening buckle seat with the bolt hole on the fixed buckle seat, forming a round hole opposite to the bolt hole in the aligned position, and simultaneously inserting a bolt into the round hole and the bolt hole to fix the fastening buckle seat and the fixed buckle seat; finally, the contact place of the bolt buckle seat and the fixed buckle seat of the movable transverse connection is fully welded for firm welding.
Compared with the prior art, the invention has the following beneficial effects:
1. the transverse connection device designed by the invention is used for the lapping of transverse connection of the portal tower frame, is particularly suitable for the hoisting construction process of the arch section of the steel pipe arch bridge, can build the transverse connection among the tower frames in time after the arch section is lifted, and improves the integral stability of the tower frame; meanwhile, the device has a simple structure, can rotate the movable transverse connection in different modes, and has higher accuracy.
2. The invention can be convenient for lifting the arch section, simultaneously considers the stability of the portal tower and provides safety guarantee for the construction process, and in addition, the transverse connection device and the construction method thereof designed by the invention have the advantages of low cost, short construction period and easy operation, are slightly influenced by site factors and have better popularization.
Drawings
Fig. 1 is a schematic view of the initial state of the device.
Fig. 2 is a schematic diagram of the device after the loading of the articulated hydraulic jack is finished.
Fig. 3 is a schematic view of the device after hoisting is finished.
Fig. 4 is a schematic view of the sleeve and the first ear plate when hinged.
FIG. 5 is a schematic view of the fixed buckle and the bolt buckle.
Fig. 6 is an operational view of the device, wherein the red color indicates the active cross-member, while the horizontal color green indicates the non-installed state, i.e. vertical state, and the red color indicates the installed state, i.e. horizontal state.
Description of the main elements
In the figure: the hydraulic jack comprises a hinged hydraulic jack 1, a rotary driving piece 2, a movable cross joint 3, a hinged support 4, a sleeve 5, a first lug plate 6, a high-strength bolt 7, a fastening buckle base 8, a fixed buckle base 9 and a second lug plate 10.
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
Referring to fig. 1 to 6, in a preferred embodiment of the present invention, a telescopic semi-automatic movable transverse connection device includes a rotary driving member 2, a hinged hydraulic jack 1, a movable transverse connection 3 and a fixed buckle. Rotate driving piece 2 and hang on the shaped steel combination truss directly over the pylon platform, its bottom with the canned paragraph of hinge formula hydraulic jack 1 is connected, the one end of the canned paragraph of hinge formula hydraulic jack 1 articulates on the platform of pylon, and this one end is relative hinge formula hydraulic jack 1 keeps away from the flexible end of hinge formula hydraulic jack 1 with the junction of rotating driving piece 2, hinge formula hydraulic jack 1 rotates around this one end of the canned paragraph of hinge formula hydraulic jack 1 under the effect of rotating driving piece 2, in this embodiment, rotate driving piece 2 is chain block, tower crane or ship crane, preferably, the mode that lifting hook and the hole for hoist on the hinge formula hydraulic jack 1 hookup are passed through to the bottom of rotate driving piece 2 is connected. A first lug plate 6 with a hole is arranged at the end part of the telescopic end of the hinged hydraulic jack 1; the movable transverse link 3 is slidably sleeved with a sleeve 5, a second lug plate 10 is mounted on the sleeve 5, the sleeve 5 is hinged with the telescopic end of the hinged hydraulic jack 1 in a mode that the second lug plate 10 is connected with the first lug plate 6, and preferably, the first lug plate 6 and the second lug plate 10 are hinged through a high-strength bolt 7; one end of the movable transverse link 3 is mounted on an upright post at the inner side of the tower through a hinged support 4, and the hinged support 4 is positioned right above the hinged hydraulic jack 1 and positioned at one side of the hinged hydraulic jack 1 where the telescopic end extends when the telescopic end is at the maximum retraction amount; the other end of the movable cross-link 3 is provided with a fixed buckle, the fixed buckle comprises a fastening buckle seat 8 and a fixed buckle seat 9, the fastening buckle seat 8 is arranged on the movable cross-link 3, two ends of the fastening buckle seat 8 in the radial direction of the movable cross-link 3 are positioned at two opposite sides of the movable cross-link 3, the two ends are provided with a plurality of round holes, the fixed buckle seat 9 is positioned on another tower stand column, the other tower stand column is opposite to the tower stand column where the hinged support 4 is positioned, the fixed buckle seat 9 is provided with a bolt hole corresponding to the round hole, the fixed buckle seat 9 is opposite to the fastening buckle seat 8 when the movable cross-link 3 is driven to the horizontal position by the hinged hydraulic jack 1 and the rotary driving piece 2, at the moment, the through hole of the fixed buckle seat 9 is opposite to the bolt hole of the fastening buckle seat 8, the fixed buckle seat 9 and the fastening buckle seat 8 are connected in series by a bolt hole and the round hole, preferably, the fixing buckle seat 9 and the fastening buckle seat 8 are fixed by welding after being connected, so that the fixing of the fixing buckle seat 9 and the fastening buckle seat 8 is improved. That is, in the present invention, the movable cross-linkage 3 is changed from a vertical state to a horizontal state under the action of the articulated hydraulic jack 1 and the rotary driving member 2, so that the cross-linkage is fixed after a heavy object is hoisted, the safe hoisting construction is ensured, and the stability of the tower is enhanced. Preferably, in order to facilitate the vertical placement and horizontal connection of the movable cross-link 3, in this embodiment, the movable cross-link 3 is of a telescopic structure, a fixed section of the movable cross-link is connected with the hinged support 4 and is provided with the sleeve 5, and a fastening buckle seat 8 is installed on the telescopic section of the movable cross-link 3 so as to enable the fastening buckle seat 8 to be extended to a fixed buckle seat 9 under the action of the telescopic action of the movable cross-link 3. Further preferably, the movable cross-link 3 is a double-layer hollow steel pipe structure. In the present embodiment, in order to facilitate the round hole on the fastening buckle seat 8 to align with the fixing buckle seat 9, the round hole is opened when the fastening buckle seat 8 is butted with the fixing buckle seat 9.
Based on the above, the invention provides a construction method of a telescopic semi-automatic movable transverse connection device, which comprises the following steps:
(1) a hinged support 4 is arranged on a stand column at the inner side of the tower frame, a fixed buckle seat 9 is arranged on the stand column opposite to the stand column, and the movable cross-link 3 is fixed on the stand column through the hinged support 4;
(2) a hinged hydraulic jack 1 is arranged on a platform of the tower frame, and the telescopic end of the hinged hydraulic jack 1 is positioned on one side of a hinged support 4;
(3) a sleeve 5 is arranged on the movable transverse link 3, and a second lug plate 10 on the sleeve 5 is connected with a first lug plate 6 on the hinged hydraulic jack 1 through a high-strength bolt 7;
(4) a rotary driving piece 2 is arranged on the section steel combined truss right above the platform, and a lifting hook of the rotary driving piece 2 hooks a lifting hole on the hinged hydraulic jack 1;
(5) when the elevation of the bottom of the hoisting arch section is higher than that of the hinged support 4 of the movable cross-link 3, the hinged hydraulic jack 1 is loaded, the hinged hydraulic jack 1 pushes the movable cross-link 3 to rotate, and the loading is stopped when the telescopic stroke of the hinged hydraulic jack 1 reaches a preset value;
(6) operating the rotary driving piece 2, pulling up the hinged hydraulic jack 1 and driving the movable cross link 3 to rotate to a horizontal position;
(7) extending the movable transverse link 3 until the fastening buckle seat 8 at one end of the movable transverse link 3 reaches the fixed buckle seat 9, aligning the fastening buckle seat 8 with a bolt hole on the fixed buckle seat 9, forming a round hole opposite to the bolt hole in the aligned position, simultaneously inserting a bolt into the round hole and the bolt hole, and fixing the fastening buckle seat 8 and the fixed buckle seat 9; finally, the contact place of the bolt buckle seat of the movable cross-link 3 and the fixed buckle seat 9 is fully welded for welding.
In the step (5), when the loading of the articulated hydraulic jack 1 is finished, the minimum thrust F of the articulated hydraulic jack 1sAnd a stroke SsAngle theta between cross-linking and verticalpThe following relationships are met:
Fs＝GsinθpcoSθp，
Figure BDA0002525930380000051
in the formula, G is the gravity of a suspender, H is the height difference between the hinged part of the fixed section of the hinged hydraulic jack 1 and the platform and the hinged support 4, and l is the transverse distance between the hinged part of the fixed section of the hinged hydraulic jack 1 and the platform and the hinged support 4.
When the hoisting in the step (6) is finished, the minimum thrust F of the thrust of the hinged hydraulic jack 1eSum stroke SeThe following relationships are met:
Fs＝Gsinθpcos(θp-θj)，
Ss＝Se，
in the formula, thetajFor an angle of rotation, theta, of the articulated hydraulic jack 1jThe final value of (d) can be obtained by:
Figure BDA0002525930380000061
the above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.

Claims (9)

1. The utility model provides a semi-automatic activity of retractable transverse connection device which characterized in that: comprises a rotary driving piece, a hinged hydraulic jack, a movable transverse link and a fixed buckle; the rotary driving piece is hung on the section steel combined truss right above the tower platform, the bottom of the rotary driving piece is connected with the fixed section of the hinged hydraulic jack, one end of the fixed section of the hinged hydraulic jack is hinged to the platform of the tower, the other end of the fixed section of the hinged hydraulic jack is far away from the telescopic end of the hinged hydraulic jack relative to the joint of the hinged hydraulic jack and the rotary driving piece, the hinged hydraulic jack rotates around the other end of the fixed section of the hinged hydraulic jack under the action of the rotary driving piece, and the end part of the telescopic end of the hinged hydraulic jack is provided with a first lug plate with holes; a sleeve is slidably sleeved on the movable cross link, a second lug plate is mounted on the sleeve, and the sleeve is hinged with the telescopic end of the hinged hydraulic jack in a mode that the second lug plate is connected with the first lug plate; one end of the movable transverse link is arranged on an upright post at the inner side of the tower through a hinged support which is positioned right above the hinged hydraulic jack and positioned at one side of the hinged hydraulic jack where the telescopic end extends when the telescopic end is at the maximum retraction amount; the other end of the movable cross-link is provided with a fixed buckle, the fixed buckle comprises a fastening buckle seat and a fixed buckle seat, the fastening buckle seat is arranged on the movable cross-link and is positioned on two opposite sides of the movable cross-link along two ends of the movable cross-link in the radial direction, a plurality of round holes are formed in the two ends of the movable cross-link, the fixed buckle seat is positioned on another tower stand column, the other tower stand column is opposite to the tower stand column where the hinged support is positioned, the fixed buckle seat is provided with a bolt hole corresponding to the round hole, the fixed buckle seat is opposite to the fastening buckle seat when the movable cross-link is driven to the horizontal position by the hinged hydraulic jack and the rotary driving piece, at the moment, the through hole of the fixed buckle seat is opposite to the bolt hole of the fastening buckle seat, and the fixed buckle seat and the fastening buckle seat are connected with each other in a mode of serially connecting the bolt hole and the.
2. The retractable semi-automatic movable cross-linking device as claimed in claim 1, wherein: the rotary driving piece is a chain block, a tower crane or a boat crane.
3. The retractable semi-automatic movable cross-linking device as claimed in claim 1, wherein: the bottom of the rotary driving piece is connected with a hoisting hole on the hinged hydraulic jack in a hooking mode through a lifting hook.
4. The retractable semi-automatic movable cross-linking device as claimed in claim 1, wherein: the movable cross-linkage is of a telescopic structure, the fixed section of the movable cross-linkage is connected with the hinged support and provided with the sleeve, and the telescopic section of the movable cross-linkage is provided with a fastening buckle seat.
5. The retractable semi-automatic movable cross-linking device as claimed in claim 4, wherein: the movable transverse connection is of a double-layer hollow steel pipe structure.
6. The retractable semi-automatic movable cross-linking device as claimed in claim 1, wherein: the first lug plate and the second lug plate are hinged through a high-strength bolt.
7. The retractable semi-automatic movable cross-linking device as claimed in claim 1, wherein: the fixed buckle seat is fixed by welding after being connected with the fastening buckle seat.
8. The retractable semi-automatic movable cross-linking device as claimed in claim 1, wherein: the round hole is arranged when the fastening buckle seat is butted with the fixed buckle seat.
9. The construction method of the retractable semi-automatic movable transverse connection device as claimed in claim 1, wherein: the method comprises the following steps:
(1) a hinged support is arranged on an upright post at the inner side of the tower frame, a fixed buckle seat is arranged on the upright post opposite to the upright post, and the movable transverse link is fixed on the upright post through the hinged support;
(2) a hinged hydraulic jack is arranged on a platform of the tower frame, and the telescopic end of the hinged hydraulic jack is positioned at one side of the hinged support;
(3) a sleeve is arranged on the movable transverse link, and a second lug plate on the sleeve is connected with a first lug plate on the hinged hydraulic jack through a high-strength bolt;
(4) a rotary driving piece is arranged on the section steel combined truss right above the platform, and a lifting hook of the rotary driving piece hooks a lifting hole in the hinged hydraulic jack;
(5) when the elevation of the bottom of the hoisting arch section is higher than that of the movable transverse-linkage hinged support, the hinged hydraulic jack is loaded, the hinged hydraulic jack pushes the movable transverse linkage to rotate, and the loading is stopped when the telescopic stroke of the hinged hydraulic jack reaches a preset value;
(6) operating the rotary driving piece to pull up the hinged hydraulic jack and drive the movable transverse link to rotate to a horizontal position;
(7) extending the movable cross-link until the fastening buckle seat at one end of the movable cross-link reaches the fixed buckle seat, aligning the fastening buckle seat with the bolt hole on the fixed buckle seat, forming a round hole opposite to the bolt hole in the aligned position, and simultaneously inserting a bolt into the round hole and the bolt hole to fix the fastening buckle seat and the fixed buckle seat; finally, the contact place of the bolt buckle seat and the fixed buckle seat of the movable transverse connection is fully welded for firm welding.
CN202010504142.7A 2020-06-05 2020-06-05 Telescopic semi-automatic movable transverse connection device and construction method thereof Pending CN111877160A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010504142.7A CN111877160A (en) 2020-06-05 2020-06-05 Telescopic semi-automatic movable transverse connection device and construction method thereof

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Application Number Priority Date Filing Date Title
CN202010504142.7A CN111877160A (en) 2020-06-05 2020-06-05 Telescopic semi-automatic movable transverse connection device and construction method thereof

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CN111877160A true CN111877160A (en) 2020-11-03

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