CN217378615U

CN217378615U - Inclined leg steel constructs bridge construction and uses supplementary foot rest

Info

Publication number: CN217378615U
Application number: CN202221407262.6U
Authority: CN
Inventors: 王家玉; 陶冶; 张国呈; 陈士都; 王志超; 邓盛双; 李尚钊; 王帅; 孔永丽; 赵静; 乔刚; 张东山; 张守乾; 秦媛; 吕开宇
Original assignee: CCCC First Highway Engineering Co Ltd; No 1 Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Current assignee: CCCC First Highway Engineering Co Ltd; No 1 Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-09-06
Anticipated expiration: 2032-06-07

Abstract

The utility model discloses an oblique leg steel constructs bridge construction and uses supplementary foot rest relates to oblique leg bridge construction technical field, the on-line screen storage device comprises a base, base below fixed mounting has the universal wheel, be equipped with the mounting on the base, base top fixed mounting has the hydraulic stem, hydraulic stem electric connection external power supply, the output and the stiff end of hydraulic stem all are equipped with the stress bolster, the stress bolster is equipped with a plurality ofly, and is a plurality of stress bolster other end movable mounting has a movable baffle, hydraulic stem output movable mounting has a fixed baffle, the utility model discloses can support oblique leg steel constructs bridge, simple structure, stability is high, the effectual construction safety that has improved.

Description

Inclined leg steel constructs bridge construction and uses supplementary foot rest

Technical Field

The utility model belongs to slant leg bridge construction field, concretely relates to slant leg steel constructs bridge construction and uses supplementary foot rest.

Background

The inclined leg rigid frame bridge is a bridge with a main beam and inclined legs integrally connected in an inclined mode, under the action of vertical load, due to the fact that the main beam and the inclined legs are in rigid connection, negative bending moment is generated at the positions of beam column nodes, accordingly positive bending moment peak values in the span are reduced, the section size of structural members can be correspondingly reduced, in addition, the inclined leg rigid frame bridge has the advantages of being light in appearance, large in under-bridge clearance, high in wind resistance, capable of being built by a cantilever construction method and the like, and is widely applied to engineering.

In the actual construction process, at the beginning of the construction of the main beam and the inclined legs, the connection part has poor stability and the phenomenon of collapse is easy to occur, so an auxiliary foot rest is needed to support the main beam and the inclined legs, the auxiliary foot rest is used for dispersing stress, and the stability of the bridge is improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a slant leg steel constructs bridge construction with supplementary foot rest for solve at the actual work progress, girder and slant leg construction first, its junction stability is relatively poor, appears the technical problem that collapses easily.

For solving the technical problem, the utility model provides a pair of oblique leg steel constructs bridge construction and uses supplementary foot rest, the on-line screen storage device comprises a base, base below fixed mounting has the universal wheel, be equipped with the mounting on the base, base top fixed mounting has the hydraulic stem, hydraulic stem electric connection external power supply, the output and the stiff end of hydraulic stem all are equipped with the stress bolster, the stress bolster is equipped with a plurality ofly, and is a plurality of stress bolster other end movable mounting has adjustable fender, hydraulic stem output movable mounting has fixed stop.

Preferably, the stress buffering part comprises a clamping ring and a lifting rod, a plurality of clamping rings are welded at the output end and the fixed end of the hydraulic rod, the lifting rod is fixedly mounted on the outer side of the clamping rings, and a movable baffle is movably mounted at the output end of the lifting rod.

Preferably, the stress buffering piece still includes the ball falcon, spherical groove has been seted up to the lifter output, adjustable fender has the falcon ball with the corresponding position welding of spherical groove, falcon ball and spherical groove joint.

Preferably, the output end of the hydraulic rod is provided with a mounting groove, a buffer spring is fixedly mounted in the mounting groove, and the other end of the buffer spring is fixedly connected with a fixed baffle.

Preferably, the universal wheel is equipped with a plurality ofly, and is a plurality of the universal wheel arranges in the four corners department of base, the universal wheel all is equipped with the brake spare.

Preferably, the fixing part comprises a fastening bolt and a fixed drill bit, the base is symmetrically provided with a threaded through hole, the fastening bolt is engaged in the threaded through hole, and the fixed drill bit is welded below the fastening bolt.

Compared with the prior art, the utility model has the following advantages:

1. the utility model discloses an oblique leg steel constructs bridge construction and uses supplementary foot rest, start the circuit of hydraulic stem, the hydraulic stem promotes fixed stop and the laminating of bridge bottom, provide the cushion effect through setting up buffer spring, and then improve fixed stop's stability, be convenient for support the bridge, start the circuit of a plurality of lifter simultaneously, the lifter promotes adjustable fender and removes, each lifter according to and the oblique leg between the distance, its extension length differs, when adjustable fender contacts the oblique leg, under the effect of falcon ball, relative lifter rotates, and then with the laminating of oblique leg, be convenient for support the oblique leg, make the oblique leg, contradict each other between bridge and the hydraulic stem, be used for the dispersion of stress, improve holistic stability, improve the security of bridge construction.

2. The utility model discloses an oblique leg steel constructs bridge construction with supplementary foot rest through setting up the universal wheel, during the construction, removes the construction position with the base through the universal wheel, and then fixes through the brake spare, and then through rotating fastening bolt, fastening bolt drives fixed drill bit and fixes with ground, improves the stability of base, is convenient for support bridge and oblique leg.

Drawings

FIG. 1 is a structural diagram of an auxiliary foot rest for constructing an inclined leg steel bridge of the utility model;

FIG. 2 is an expanded structure view of the auxiliary foot stool for constructing the steel bridge with inclined legs of the utility model;

FIG. 3 is a structural view of a stress buffering member in an auxiliary foot stool for constructing an inclined leg steel bridge of the utility model;

FIG. 4 is a structural diagram of a hydraulic rod in an auxiliary foot stool for constructing an inclined leg steel bridge of the utility model;

reference numbers in the figures: 1. a base; 2. a fixing member; 3. a hydraulic lever; 4. a stress buffer; 5. fixing a baffle plate; 6. a movable baffle; 7. a universal wheel; 8. a buffer spring; 21. fastening a bolt; 22. fixing a drill bit; 41. a snap ring; 42. a lifting rod; 43. a spherical groove; 44. falcon balls.

Detailed Description

Example 1

Referring to fig. 1-4, the present invention provides a technical solution: an auxiliary foot rest for inclined leg steel bridge construction comprises a base 1, universal wheels 7 are fixedly mounted below the base 1, a fixing part 2 is arranged on the base 1, a hydraulic rod 3 is fixedly mounted above the base 1, the hydraulic rod 3 is electrically connected with an external power supply, stress buffering parts 4 are respectively arranged at the output end and the fixed end of the hydraulic rod 3, a plurality of stress buffering parts 4 are arranged, a movable baffle 6 is movably mounted at the other end of each stress buffering part 4, a fixed baffle 5 is movably mounted at the output end of the hydraulic rod 3, each stress buffering part 4 comprises a clamping ring 41 and a lifting rod 42, a plurality of clamping rings 41 are respectively welded at the output end and the fixed end of the hydraulic rod 3, a lifting rod 42 is fixedly mounted at the outer side of each clamping ring 41, a movable baffle 6 is movably mounted at the output end of the lifting rod 42, each stress buffering part 4 further comprises a ball tenon, a spherical groove 43 is formed at the output end of the lifting rod 42, and a tenon ball 44 is welded at the position of the movable baffle 6 corresponding to the spherical groove 43, falcon ball 44 and spherical groove 43 joint, the mounting groove has been seted up to hydraulic stem 3 output, and fixed mounting has buffer spring 8 in the mounting groove, and buffer spring 8 other end fixed connection fixed stop 5.

In this embodiment, start hydraulic stem 3's circuit, hydraulic stem 3 promotes fixed stop 5 and the laminating of bridge bottom, provide the cushion effect through setting up buffer spring 8, and then improve fixed stop 5's stability, be convenient for support the bridge, start the circuit of a plurality of lifter 42 simultaneously, lifter 42 promotes adjustable stop 6 and removes, each lifter 42 according to and the oblique leg between the distance, its extension length differs, when adjustable stop 6 contacts the oblique leg, under falcon ball 44's effect, relative lifter 42 rotates, and then laminate with the oblique leg, be convenient for support the oblique leg, make the oblique leg, conflict each other between bridge and the hydraulic stem 3, be used for the dispersion of stress, improve holistic stability, improve the security of bridge construction.

Example 2

Further, on the basis of embodiment 1, the utility model provides a scheme: the universal wheel 7 is equipped with a plurality ofly, and a plurality of universal wheels 7 arrange in the four corners department of base 1, and universal wheel 7 all is equipped with the brake piece, and mounting 2 includes fastening bolt 21 and fixed drill bit 22, and the screw thread through-hole has been seted up to 1 top symmetry of base, and the internal meshing of screw thread through-hole has fastening bolt 21, and the welding of fastening bolt 21 below has fixed drill bit 22.

In this embodiment, through setting up universal wheel 7, during the construction, remove base 1 to the construction position through universal wheel 7, and then fix through the brake spare, and then through rotating fastening bolt 21, fastening bolt 21 drives fixed drill bit 22 and fixes with ground, improves base 1's stability, is convenient for support bridge and oblique leg.

The working principle is as follows:

firstly, by arranging the universal wheels 7, during construction, the base 1 is moved to a construction position through the universal wheels 7, and then is fixed through the brake piece, and then the fastening bolts 21 are rotated, so that the fastening bolts 21 drive the fixed drill bit 22 to be fixed with the ground, the stability of the base 1 is improved, and a bridge and an inclined leg are conveniently supported;

secondly, start hydraulic stem 3's circuit, hydraulic stem 3 promotes fixed stop 5 and the laminating of bridge bottom, provide the cushion effect through setting up buffer spring 8, and then improve fixed stop 5's stability, be convenient for support the bridge, start the circuit of a plurality of lifter 42 simultaneously, lifter 42 promotes adjustable fender 6 and removes, each lifter 42 according to with the oblique leg between the distance, its extension length differs, when 6 contact oblique legs of adjustable fender, under falcon ball 44's effect, relative lifter 42 rotates, and then laminate with the oblique leg, be convenient for support the oblique leg, make the oblique leg, contradict each other between bridge and the hydraulic stem 3, be used for the dispersion of stress, improve holistic stability, improve the security of bridge construction.

Claims

1. The utility model provides an inclined leg steel constructs bridge construction and uses supplementary foot rest, includes base (1), its characterized in that: base (1) below fixed mounting has universal wheel (7), be equipped with mounting (2) on base (1), base (1) top fixed mounting has hydraulic stem (3), hydraulic stem (3) electric connection external power supply, the output and the stiff end of hydraulic stem (3) all are equipped with stress bolster (4), stress bolster (4) are equipped with a plurality ofly, and are a plurality of stress bolster (4) other end movable mounting has adjustable fender (6), hydraulic stem (3) output movable mounting has adjustable fender (5).

2. The auxiliary foot stool for the construction of the inclined leg steel bridge and the bridge as claimed in claim 1, wherein the stress buffering member (4) comprises a clamping ring (41) and a lifting rod (42), a plurality of clamping rings (41) are welded at the output end and the fixed end of the hydraulic rod (3), the lifting rod (42) is fixedly installed at the outer side of the plurality of clamping rings (41), and a movable baffle (6) is movably installed at the output end of the lifting rod (42).

3. The auxiliary foot stool for the construction of the inclined leg steel bridge and the bridge as claimed in claim 2, wherein the stress buffering member (4) further comprises a ball tenon, the output end of the lifting rod (42) is provided with a spherical groove (43), the movable baffle plate (6) is welded with a tenon ball (44) at a position corresponding to the spherical groove (43), and the tenon ball (44) is clamped with the spherical groove (43).

4. The auxiliary foot stool for the construction of the inclined-leg steel bridge and the bridge as claimed in claim 1, wherein an installation groove is formed in an output end of the hydraulic rod (3), a buffer spring (8) is fixedly installed in the installation groove, and a fixed baffle (5) is fixedly connected to the other end of the buffer spring (8).

5. The auxiliary foot stool for the construction of the inclined leg steel bridge and the bridge as claimed in claim 1, characterized in that a plurality of universal wheels (7) are provided, the universal wheels (7) are arranged at four corners of the base (1), and the universal wheels (7) are provided with braking pieces.

6. The auxiliary foot stool for the construction of the slant-leg steel bridge and the bridge according to claim 1, wherein the fixing member (2) comprises a fastening bolt (21) and a fixing drill bit (22), a threaded through hole is symmetrically formed above the base (1), the fastening bolt (21) is engaged in the threaded through hole, and the fixing drill bit (22) is welded below the fastening bolt (21).