CN218712210U - Suspension bridge lattice pier special-shaped steel pipe overturning jig frame - Google Patents
Suspension bridge lattice pier special-shaped steel pipe overturning jig frame Download PDFInfo
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- CN218712210U CN218712210U CN202222489405.9U CN202222489405U CN218712210U CN 218712210 U CN218712210 U CN 218712210U CN 202222489405 U CN202222489405 U CN 202222489405U CN 218712210 U CN218712210 U CN 218712210U
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Abstract
The utility model discloses a suspension bridge lattice pier special-shaped steel tube overturning jig frame; it is characterized in that; the overturning jig frame consists of 4 parts: 1 unable adjustment base, 1 rotatory fixed horse seat, 1 swivelling movement horse seat, 1 groove of sliding are constituteed, and rotatory fixed horse seat and swivelling movement horse seat are all placed in the groove of sliding of same axis, and two horse seats can rotate alone, and adjacent steel pipe difference in height is 50 centimetres, adjusts on horse head sets up. The utility model discloses a hinge formula shaped steel upset bed-jig, truss piece assemble the completion back on the shaped steel bed-jig, and one end adopts the hinge rotatory, and the other end slowly promotes by the tower crane, with the steady trunning into vertical form of steel pipe truss piece by the level form, directly hoist to the cable tower and install.
Description
Technical Field
The utility model relates to a truss piece construction field, what specifically say is a suspension bridge lattice pier dysmorphism truss piece upset bed-jig.
Background
The standard segment of the cable tower lattice column steel pipe truss piece is 40 tons in weight, the truss piece is vertically composed of 2 steel pipes with the diameter of 1.8m and the length of 11.8m, the maximum center distance of the steel pipes is 12m, and 2 channel steel is transversely connected to form the truss piece in the middle. The vertical height difference of 2 steel pipes is 0.5m, and each steel pipe is transversely and longitudinally contracted with inconsistent slope. The truss piece adopts the horizontally connected piece, turns over into vertical truss piece with horizontal truss piece again, and the whole upset degree of difficulty of special-shaped structure truss piece from the level form to vertical form is big, and the butt joint precision of truss piece is high, and the quality of truss piece steel construction machined part not only can be influenced to the mishandling, also can't accomplish two upper and lower truss piece butt joints.
SUMMERY OF THE UTILITY MODEL
Consequently, the whole upset degree of difficulty from the level form to vertical form is big for solving above-mentioned dysmorphism structure truss piece, and the butt joint precision of truss piece is high not enough, the utility model provides a suspension bridge lattice pier dysmorphism truss piece upset bed-jig here. The hinged type steel turnover jig frame is adopted, after the truss pieces are assembled on the steel jig frame, one end of each truss piece rotates by a hinge, the other end of each truss piece is lifted by a tower crane slowly, the steel pipe truss pieces are stably converted into a vertical shape from a horizontal shape, and the steel pipe truss pieces are directly hoisted to a cable tower for installation.
The utility model is realized in such a way that a suspension bridge lattice pier special-shaped truss piece overturning jig frame is constructed, which is characterized in that; the overturning jig frame consists of 4 parts: 1 unable adjustment base, 1 rotatory fixed horse seat, 1 swivelling movement horse seat, 1 groove of sliding, rotatory fixed horse seat and swivelling movement horse seat are all placed in the groove of sliding of same axis, and two horse seats can rotate alone, and adjacent steel pipe difference in height is 50 centimetres, adjusts on horse head sets up.
According to the utility model, the suspension bridge lattice pier special-shaped truss piece overturning jig is characterized in that; the fixed base is made of H-shaped steel and comprises supporting legs and supporting beams, and the fixed base only plays a supporting role in the overturning process.
According to the utility model, the suspension bridge lattice pier special-shaped truss piece overturning jig is characterized in that; the rotary fixing horse seat is made of H-shaped steel and composed of a rotary hinge and a steel section support, and is used as a steel pipe fixing end of the truss sheet and is not adjusted along with the change of the sizes of the truss sheets with different heights of the cable tower.
According to the utility model, the suspension bridge lattice pier special-shaped truss sheet overturning jig is characterized in that; the rotary moving horse seat can rotate and can be adjusted along with the change of the height of the cable tower.
According to the utility model, the suspension bridge lattice pier special-shaped truss sheet overturning jig is characterized in that; the sliding groove is composed of channel steel and concrete, and is convenient for the rotary moving horse seat to move.
The utility model has the advantages of as follows: the corresponding effect of this patent does: the vertical splicing support is adopted, safety risks of support stability, high-altitude operation construction safety risks, component impact risks, hoisting process operation risks and the like are mainly generated, the height of the turnover jig frame is only 50cm, personnel are evacuated during hoisting operation, the high-altitude operation risks are reduced, and potential safety hazards are reduced. The framework pieces are multidirectional in gradient, the contact between the vertically spliced steel pipe and the ground is only point contact instead of surface contact, and the hidden quality danger of damaging the opening of the steel pipe exists; the steel tube is driven to rotate by the steel rope by adopting the turnover jig frame, and the steel tube is always in a stressed state, so that the tube wall cannot be damaged.
Drawings
FIG. 1 is a schematic view of a steel pipe truss sheet;
FIG. 2 is a schematic plan view of the upender bed;
fig. 3 and 4 are schematic side views of the turning jig.
Wherein: the device comprises a fixed base 1, a rotary fixed horse seat 2, a rotary movable horse seat 3, a sliding groove 4, a rotating shaft 5 and a cable tower steel pipe 6.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 3, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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 efforts all belong to the protection scope of the present invention.
The utility model provides a suspension bridge lattice pier special-shaped truss piece overturning jig frame through improvement, which can be implemented as follows; the overturning jig frame consists of 4 parts: 1 a unable adjustment base 1, 1 rotatory fixed horse seat 2, 1 swivelling movement horse seat 3, 1 groove 4 that slides, swivelling movement horse seat 2 and swivelling movement horse seat 3 all place in the groove 4 that slides of same axis, and two horse seats can rotate alone, and adjacent steel pipe difference in height is 50 centimetres, adjusts on horse head sets up.
When in implementation; the fixed base 1 is made of H-shaped steel and comprises supporting legs and supporting beams, and the fixed base only plays a supporting role in the overturning process.
When in implementation; the rotary fixing horse seat 2 is made of H-shaped steel and composed of a rotary hinge and a steel section support, and is used as a steel pipe fixing end of the truss sheet and is not adjusted along with the change of the sizes of the truss sheets with different heights of the cable tower.
When in implementation; the rotary moving horse seat 3 can rotate and can be adjusted along with the change of the height of the cable tower.
When in implementation; the sliding groove 4 is composed of channel steel and concrete, and is convenient for the rotary moving horse seat to move.
The turnover process of the truss pieces of the special-shaped steel pipe lattice pier comprises the following steps:
(1) Construction lofting, wherein the position of each section of truss piece steel pipe and the position of the transverse diagonal bracing are drawn on a drawing;
(2) Moving the rotating base to the position of the truss piece, and welding a steel plate limiting base after rechecking;
(3) Firstly, placing a fixed rotary base steel pipe, placing a movable rotary horse base steel pipe and fixing by using a steel rope;
(4) Connecting the cross connection and the inclined strut between the steel pipes;
(5) The steel pipe lifting points are arranged at the end of the fixed base, the heights of the steel pipes are different, the lifting points are arranged at the same horizontal position of the vertical steel pipe, and the lifting frame lifting points and the steel pipe lifting points are aligned left and right.
(6) Hoisting by a D1500 tower crane, recovering the tower crane trolley while winding the steel rope during hoisting, and slowly changing the truss piece from a horizontal shape to a vertical shape along with the rotation of the hinge.
(7) And removing the steel pipe and the rotating horse seat protecting steel rope.
(8) And hoisting the truss pieces to the cable tower position for installation.
However, in actual operation, the standard segment of the lattice column steel pipe truss sheet of the cable tower of the great bridge of Kazamiyajiang river in Sichuan weighs 40 tons, the truss sheet is vertically composed of 2 steel pipes with the diameter of 1.8m and the length of 11.8m, the maximum center distance of the steel pipes is 12m, and 2 channel steel is adopted to be connected in a transverse mode to form the truss sheet. The vertical height difference of 2 steel pipes is 0.5m, and each steel pipe is transversely and longitudinally contracted with inconsistent slope. The truss piece adopts the horizontally connected piece, turns over into vertical truss piece with horizontal truss piece again, and the whole upset degree of difficulty of special-shaped structure truss piece from the level form to vertical form is big, and the butt joint precision of truss piece is high, and the quality of truss piece steel construction machined part not only can be influenced to the mishandling, also can't accomplish two upper and lower truss piece butt joints. To this problem, adopt this patent after the corresponding effect does: the vertical splicing support is adopted, safety risks of support stability, high-altitude operation construction safety risks, component impact risks, hoisting process operation risks and the like are mainly generated, the height of the turnover jig frame is only 50cm, personnel are evacuated during hoisting operation, the high-altitude operation risks are reduced, and potential safety hazards are reduced. The framework pieces are multidirectional in gradient, the contact between the vertically spliced steel pipe and the ground is only point contact instead of surface contact, and the hidden quality danger of damaging the opening of the steel pipe exists; the steel tube is driven to rotate by the steel rope by adopting the turnover jig frame, and the steel tube is always in a stressed state and cannot damage the tube wall.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A suspension bridge lattice pier special-shaped steel pipe overturning jig frame is characterized in that a steel pipe overturning jig frame is arranged on a steel pipe frame; the overturning jig frame consists of 4 parts: 1 unable adjustment base (1), 1 rotatory fixed horse seat (2), 1 rotatory removal horse seat (3), 1 groove (4) that slides, rotatory fixed horse seat (2) and rotatory removal horse seat (3) are all placed in the groove (4) that slides of same axis, and two horse seats can rotate alone, and adjacent steel pipe discrepancy in height is 50 centimetres, adjusts on horse head sets up.
2. The suspension bridge lattice pier special-shaped steel tube overturning jig frame as claimed in claim 1, characterized in that; the fixed base (1) is made of H-shaped steel and comprises supporting legs and supporting beams.
3. The suspension bridge lattice pier special-shaped steel tube overturning jig frame as claimed in claim 1, characterized in that; the rotary fixing horse seat (2) is made of H-shaped steel and consists of a rotary hinge and a steel section support, and the rotary fixing horse seat is used as a fixed end of a steel pipe of the truss sheet.
4. The suspension bridge lattice pier special-shaped steel tube overturning jig frame as claimed in claim 1, characterized in that; the rotary moving horse seat (3) can rotate and can be adjusted along with the change of the height of the cable tower.
5. The suspension bridge lattice pier special-shaped steel tube overturning jig frame as claimed in claim 1, characterized in that; the sliding groove (4) is composed of channel steel and concrete, and is convenient for the rotary moving horse seat to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222489405.9U CN218712210U (en) | 2022-09-20 | 2022-09-20 | Suspension bridge lattice pier special-shaped steel pipe overturning jig frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222489405.9U CN218712210U (en) | 2022-09-20 | 2022-09-20 | Suspension bridge lattice pier special-shaped steel pipe overturning jig frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218712210U true CN218712210U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222489405.9U Active CN218712210U (en) | 2022-09-20 | 2022-09-20 | Suspension bridge lattice pier special-shaped steel pipe overturning jig frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218712210U (en) |
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2022
- 2022-09-20 CN CN202222489405.9U patent/CN218712210U/en active Active
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