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CN-115821755-B - Accurate positioner of wave form steel web

CN115821755BCN 115821755 BCN115821755 BCN 115821755BCN-115821755-B

Abstract

The invention relates to the technical field of bridge construction, in particular to a precise positioning device for a corrugated steel web, which solves the technical problem that the prior art does not provide a more general and more universal precise positioning mode. Specifically, positioning mechanism arranges on the exhibition wing portion of a set of construction template, and can follow construction template lateral direction and remove, and positioning mechanism has a set of locating end, and the locating end can remove a preset distance to the edge of a wing direction of wave form steel web first end, and when locating end and edge of a wing contact, can change into two setpoint from a setpoint, and two setpoint can be located the central line of edge of a wing. The technical scheme has the advantages that the arrangement mode of the corrugated steel web adapted to the application range of accurate positioning is more flexible, and especially the situation of combination construction or combination construction with other top structures due to arrangement angle adjustment is caused.

Inventors

  • Qiang Shuling
  • MA RUISHENG
  • WANG XU
  • ZHANG LEI
  • ZHAO CHUNHUA
  • WU KE

Assignees

  • 中交一公局第五工程有限公司
  • 中交一公局集团有限公司

Dates

Publication Date
20260505
Application Date
20221107

Claims (9)

  1. 1. Accurate positioner of wave form steel web, its characterized in that includes: The construction templates (10) are respectively arranged at two sides of the construction bridge bottom plate (1), so that the construction templates (10) are arranged symmetrically relative to the center of the bridge bottom plate (1) in an open mode; the construction formwork (10) is provided with a wing part (2) parallel to the construction bridge bottom plate (1) and a supporting wall surface (3) extending towards the direction of the construction bridge bottom plate (1); an auxiliary construction scaffold (200) can be built below the wing spreading part (2); the corrugated steel web (100) can be attached to the supporting wall surface (3), and the first end of the corrugated steel web (100) can be supported on a limiting structure (20); a connecting hinge supporting mechanism (30) can be prefabricated between the opposite corrugated steel webs (100), and the supporting mechanism (30) is used for adjusting the distance between the opposite corrugated steel webs (100); A positioning mechanism (40) arranged on the wing part (2) of a group of construction templates (10) and capable of moving along the transverse direction of the construction templates (10), wherein the positioning mechanism (40) is provided with a group of positioning ends (401), the positioning ends (401) can move a preset distance towards the wing direction of the first end of the corrugated steel web (100), and when the positioning ends (401) are contacted with the wing edge, one positioning point can be changed into two positioning points, and the two positioning points can be positioned on the central line of the wing edge; The hinge support mechanism (30) includes: two hinge rods (300) connected in a crisscrossed hinge; each of the hinge rods (300) includes: A main rod body (310); The first end of the main rod body (310) can be provided with an inner tube (320); an arc-shaped slideway (321) is arranged on the inner pipe (320); the locking part (330) is arranged at the first end of the main rod body (310), and a stirring limiting piece (331) is rotatably arranged on the locking part (330); the locking part (330) is communicated with the radial direction of the main rod body (310), a limiting space is formed between the main rod body and the arc-shaped slideway (321), a semi-cylindrical piece (332) is arranged in the limiting space, and two ends of the semi-cylindrical piece (332) are limited in the locking part (330); The stirring shaft of the stirring limiting piece (331) is eccentrically arranged on the locking part (330), so that the stirring shaft is pressed on the semi-cylindrical piece (332) when the stirring limiting piece is in a locking state, and the main rod body (310) and the inner tube (320) can be locked.
  2. 2. The precise positioning device for the corrugated steel web according to claim 1, wherein the corrugated steel web (100) is placed in a manner that the corrugated steel web (100) is perpendicular to the limiting structure (20), and the lower flange of the corrugated steel web (100) can be clamped on the limiting structure (20).
  3. 3. The precise positioning device for the corrugated steel web according to claim 1, wherein the corrugated steel web (100) is placed in a manner that the corrugated steel web (100) and the limiting structure (20) keep an inclined angle, and a lower flange of the corrugated steel web (100) can be clamped on the limiting structure (20).
  4. 4. The corrugated steel web precise positioning device according to claim 2, wherein the limiting structure (20) comprises: a boss end (21) capable of abutting within the lower flange; And the supporting end (22) is connected below the protruding end (21), can be detachably arranged on the construction bridge bottom plate (1), and is arranged adjacent to the supporting wall surface (3).
  5. 5. A corrugated steel web accurate positioning device according to claim 3, characterized in that the limit structure (20) comprises: a boss end (21) capable of abutting within the lower flange; A support end (22) which can be detachably mounted on the construction bridge floor (1) and is arranged adjacent to the support wall surface (3); The convex end (21) has a preset inclination angle which is the same as the inclination angle of the supporting wall surface (3); The protruding end (21) is connected to a supporting component (23), the supporting component (23) is provided with an extending part (24) in an inclined direction, a plurality of positioning screw holes are formed in the extending part (24), and positioning bolts (25) can penetrate through the positioning screw holes.
  6. 6. The precise positioning device for the corrugated steel web according to claim 1, wherein the second end of the main rod body (310) can be fixedly connected to the construction bridge bottom plate (1); A first rotary hinge (340) is arranged at the first end of the inner pipe (320), a locking ring (341) is arranged on the first rotary hinge (340), and the locking ring (341) can be prefabricated and connected to a connecting node of the corrugated steel web (100); a hinge hole is formed in the middle of the main rod body (310), and a hinge shaft (351) is connected in the hinge hole; the second end of the main rod body (310) is hinged to the bridge bottom plate (1).
  7. 7. The precise positioning device of the corrugated steel web according to claim 6, wherein an adjusting ring (201) can be connected to one side of the corrugated steel web (100) facing the auxiliary construction scaffold (200), and a steel wire pulling rope can be prefabricated on the adjusting ring (201) so that the steel wire pulling rope can be pulled by an electric hoist arranged in the direction of the auxiliary construction scaffold (200) in advance.
  8. 8. The wave steel web precise positioning device according to claim 7, characterized in that the positioning mechanism (40) comprises: A track (410) is prefabricated and installed above the wing spreading part (2), and the track (410) is arranged along the length direction of the wing spreading part (2); the upper cabinet of the track (410) is connected with a working vehicle (420); the working vehicle (420) is provided with a fixed plate (421), and the wing spreading part (2) is provided with a locking hole (422); and a locking stud (423) which can be screwed on the fixing plate (421) and a corresponding locking hole (422) so that the working vehicle (420) can be locked at a preset position and kept fixed with the wing spreading part (2).
  9. 9. The wave steel web precise positioning device of claim 8, wherein each positioning mechanism (40) further comprises two positioning assemblies, the positioning assemblies comprising: a positioning part (430) fixedly connected to the upper part of the fixed plate (421); A first working cylinder (431) and a second working cylinder (432) are arranged on one side of the positioning part (430); In the limit state, the first working cylinder (431) and the second working cylinder (432) are arranged in a triangle, and the extension lines of the output ends of the first working cylinder and the second working cylinder are intersected; wherein the second working cylinder (432) is arranged obliquely; The output ends of the first working cylinder (431) and the second working cylinder (432) are respectively and rotatably connected to a cylinder connecting plate (433); a positioning cylinder (440) one side of which is fixed to the cylinder connecting plate (433); a first end of the positioning cylinder (440) is connected with a positioning shell (441); Both sides and the lower end of the positioning shell (441) are open; the positioning shell (441) is rotationally connected with a positioning roller assembly; The positioning roller assembly includes: a roller shaft (451) with a torsion spring, which is rotatably connected to the positioning housing (441); a first connecting shaft arm (461) and a second connecting shaft arm (462) connected to the roller shaft (451); The first connecting shaft arm (461) and the second connecting shaft arm (462) are arranged at 90 degrees, and in a prefabrication state, the first connecting shaft arm (461) forms an included angle of 15 degrees with a prefabrication axis, and the second connecting shaft arm (462) forms an included angle of 75 degrees with the prefabrication axis; The first connecting axle arm (461) and the second connecting axle arm (462) are connected with a rotatable roller part (470) with an inflatable tire at the end part far away from the roller axle (451).

Description

Accurate positioner of wave form steel web Technical Field The invention relates to the technical field of bridge construction, in particular to a precise positioning device for a corrugated steel web. Background The corrugated steel web is used as a construction substitute of a prestressed concrete box girder bridge, and has the advantages that the bridge structure can adapt to large-span and long-distance bridge construction projects after a prestressed concrete continuous box girder is combined with an upper-bearing reinforced concrete box structure, the shearing buckling strength of the corrugated steel plate is higher than that of a flat steel plate, the corrugated steel web is especially suitable for combined structure construction with other bridge construction constructions, in the existing construction mode, the arrangement mode of the corrugated steel web comprises vertical and inclined arrangement so as to meet the requirements of the construction projects, in the mode of determining and positioning related to combined construction, the vertical arrangement mode is generally used independently, a large number of positioning rods and positioning beams are required to be erected for positioning construction in the inclined arrangement mode, and the construction calibration is generally designed independently according to actual conditions. Disclosure of Invention The invention aims to solve the technical problems in the prior art and provides a precise positioning device for a corrugated steel web. In order to solve the technical problems, the technical scheme of the invention is as follows: accurate positioner of wave form steel web includes: The construction templates are respectively arranged at two sides of the construction bridge bottom plate, The construction templates are arranged symmetrically relative to the center of the bridge bottom plate and are open; the construction template is provided with a wing spreading part parallel to the construction bridge bottom plate and a supporting wall surface extending towards the direction of the construction bridge bottom plate; An auxiliary construction scaffold can be built below the wing spreading part; the corrugated steel web can be attached to the supporting wall surface, and the first end of the corrugated steel web can be supported on a limiting structure; The opposite corrugated steel webs can be prefabricated and connected with a hinge supporting mechanism, and the supporting mechanism is used for adjusting the distance between the opposite corrugated steel webs; The positioning mechanism is arranged on the wing spreading part of the construction template, can move along the transverse direction of the construction template, is provided with a group of positioning ends, can move a preset distance towards the flange direction of the first end of the corrugated steel web, can change from one positioning point to two positioning points when the positioning ends are in contact with the flange, and can be positioned on the central line of the flange. Preferably, the corrugated steel web is placed in a manner that the corrugated steel web is perpendicular to the limiting structure, and the lower flange of the corrugated steel web can be clamped on the limiting structure. Preferably, the corrugated steel web is placed in a manner that an inclined angle is kept between the corrugated steel web and the limiting structure, and the lower flange of the corrugated steel web can be clamped on the limiting structure. Preferably, the limiting structure includes: A raised end capable of abutting within the lower flange; The support end is connected below the protruding end, can be detachably installed on the construction bridge bottom plate and is arranged adjacent to the support wall surface. Preferably, the limiting structure includes: A raised end capable of abutting within the lower flange; the support end can be detachably arranged on the construction bridge bottom plate and is arranged adjacent to the support wall surface; the convex end is provided with a preset inclination angle which is the same as the inclination angle of the supporting wall surface; The protruding end is connected to a supporting component, the supporting component is provided with an extending part in an inclined direction, a plurality of positioning screw holes are formed in the extending part, and positioning bolts can penetrate into the positioning screw holes. Preferably, the hinge support mechanism includes: two hinge rods connected in a crisscross hinge; Each of the hinge bars includes: A main rod body; the first end of the main rod body can be provided with an inner pipe; An arc-shaped slideway is arranged on the inner tube; the locking part is arranged at the first end of the main rod body, and a stirring limiting piece is rotatably arranged on the locking part; the locking part is communicated with the radial direction of the main rod body, a limiting space is formed be