CN213531407U - Welding fixture device for hoisting segments of steel plate combined beam bridge - Google Patents
Welding fixture device for hoisting segments of steel plate combined beam bridge Download PDFInfo
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- CN213531407U CN213531407U CN202022231994.1U CN202022231994U CN213531407U CN 213531407 U CN213531407 U CN 213531407U CN 202022231994 U CN202022231994 U CN 202022231994U CN 213531407 U CN213531407 U CN 213531407U
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Abstract
The utility model relates to a welding fixture device for hoisting segments of a steel plate combined beam bridge, which comprises a vertical frame, a cross beam, a lifting lug plate and a clamping mechanism; the stand is vertically placed and comprises a first stand and a second stand, and the first stand and the second stand are symmetrically arranged with each other; the cross beam is horizontally arranged at the tops of the first vertical frame and the second vertical frame in a matched mode; the steel plate girder hoisting section is clamped between the first vertical frame and the second vertical frame through the clamping mechanism. The utility model discloses can recycle, the dismouting of being convenient for on-the-spot is favorable to practicing thrift the production manufacturing cost, improves on-the-spot production efficiency, and provides the safety guarantee for bridge site high altitude construction, safe and reliable, convenient easy going, practicality are strong, can guarantee the manufacturing quality of steel plate girder bridge hoist and mount festival section and erect the precision and satisfy the standard requirement.
Description
Technical Field
The utility model relates to a steel sheet girder bridge makes technical field, concretely relates to steel sheet combination beam bridge hoist and mount festival section welding jig device.
Background
In the manufacturing process of the curved steel plate girder bridge, most of the manufactured linear shape is positioned on a circular curve, a moderate curve and a vertical curve, the number of parts is large, and the overall linear shape is complex. For steel members with the beam height of more than 2 meters, the difficulty of field welding operation is increased due to limited operation space of the bridge site and the restriction of factors such as erection working conditions, so that the welding quality of bridge site girth welding of the hoisting sections and the nondestructive detection construction quality are influenced. Therefore, how to adopt reasonable and feasible technological measures to ensure that the manufacturing quality of the steel plate combination beam meets the standard requirements is the key for ensuring that the hoisting sections of the curved steel plate beam bridge form a bridge line type.
Disclosure of Invention
To the problem that exists among the above-mentioned background art, the utility model provides a can recycle, the dismouting of being convenient for on-the-spot is favorable to practicing thrift manufacturing cost, improves on-the-spot production efficiency, and provides the safety guarantee for bridge site high altitude construction, safe and reliable, convenient easy going, practicality are strong, can guarantee the manufacturing quality of steel sheet girder bridge hoist and mount festival section and erect the steel sheet combination girder bridge hoist and mount festival section welding jig device that the precision satisfies the standard requirement.
The technical scheme of the utility model as follows:
the welding fixture device for the hoisting section of the steel plate composite beam bridge comprises a vertical frame, a cross beam, a lifting lug plate and a clamping mechanism; the stand is vertically placed and comprises a first stand and a second stand, and the first stand and the second stand are symmetrically arranged with each other; the cross beam is horizontally arranged at the tops of the first vertical frame and the second vertical frame in a matched mode; the top ends of the opposite sides of the first vertical frame and the second vertical frame are provided with the lug plates in a matched mode; the clamping mechanism is arranged between the middle sections of the opposite sides of the first vertical frame and the second vertical frame in a matched mode; the steel plate girder hoisting section is clamped between the first vertical frame and the second vertical frame through the clamping mechanism.
Welding fixture device for hoisting segments of steel plate combined beam bridge, wherein: the first vertical frame is of a cuboid frame structure and consists of four first vertical columns, a first ladder stand, a first sealing bottom plate and a first baffle plate; the four first stand columns are distributed in a matrix manner, and the upper ends of the two first stand columns positioned on the left side of the first stand column are higher than the top ends of the two first stand columns positioned on the right side of the first stand column; a plurality of first crawling ladders are horizontally connected between two adjacent first upright columns positioned on the left side, the front side and the rear side of the first upright column; the first sealing bottom plate is horizontally arranged at the bottom ends of the four first stand columns in a matching manner; the outer walls of the left side, the front side and the rear side of the first vertical frame are provided with the first baffle plates in a matching way;
the second vertical frame is of a cuboid frame structure and consists of four second vertical columns, a second ladder stand, a second sealing bottom plate and a second baffle plate; the four second upright columns are distributed in a matrix manner, and the two second upright columns positioned on the right side of the second upright column are higher than the two second upright columns positioned on the left side of the second upright column; a plurality of second crawling ladders are horizontally connected between two adjacent second upright columns positioned on the right side, the front side and the rear side of the second upright column; the second sealing bottom plate is horizontally arranged at the bottom ends of the four second stand columns in a matching manner; the outer walls of the right side, the front side and the rear side of the second vertical frame are provided with the second baffle plates in a matched mode.
Welding fixture device for hoisting segments of steel plate combined beam bridge, wherein: the cross beam is provided with a pair of cross beams which are respectively and horizontally connected between the top ends of the two first upright columns on the left side of the first upright frame and the top ends of the two second upright columns on the right side of the second upright frame.
Welding fixture device for hoisting segments of steel plate combined beam bridge, wherein: the lifting lug plates are provided with two pairs, one pair of the lifting lug plates are respectively installed on the top ends of the two first stand columns on the right side of the first stand column in a matching mode, and the other pair of the lifting lug plates are respectively installed on the top ends of the two first stand columns on the left side of the second stand column in a matching mode.
Welding fixture device for hoisting segments of steel plate combined beam bridge, wherein: the clamping mechanism comprises a first clamping assembly and a second clamping assembly; the first clamping assembly is mounted on the outer wall of the middle section of the first upright column on the right side of the first upright frame in a matching manner, and the second clamping assembly is mounted on the outer wall of the middle section of the second upright column on the left side of the second upright frame in a matching manner; the first clamping assembly and the second clamping assembly are arranged opposite to each other in a left-right mode; the pair of first clamping assemblies and the pair of second clamping assemblies tightly support two sides of a web plate of the steel plate beam hoisting section.
Welding fixture device for hoisting segments of steel plate combined beam bridge, wherein: the first clamping assembly comprises a first bottom clamping plate, a first middle clamping plate, a first top tightening bolt and a first connecting bolt; the first bottom clamping plate is matched with a first connecting nut through the first connecting bolt and is fixed on the outer wall of the right middle section of the first vertical frame in a matching manner; the first middle clamping plate is provided with a pair of symmetrical top surfaces which are vertically fixed on the first bottom clamping plate; the first top clamping plate is fixed at the top ends of the first middle clamping plates in a matching way and is parallel to the first bottom clamping plate; the first puller bolt penetrates out from the bottom of the first puller plate to the top direction, the penetrating end of the first puller bolt is matched with the first puller nut, and the top end of the first puller bolt is tightly propped against the left side face of the steel plate beam hoisting section.
Welding fixture device for hoisting segments of steel plate combined beam bridge, wherein: the second clamping assembly comprises a second bottom clamping plate, a second middle clamping plate, a second top tightening bolt and a second connecting bolt; the second bottom clamping plate is matched and fixed on the outer wall of the right middle section of the second vertical frame through the second connecting bolt and a second connecting nut; the second middle clamping plate is provided with a pair of symmetrical top surfaces which are vertically fixed on the second bottom clamping plate; the second top clamping plate is fixed at the top ends of the second middle clamping plates in a matching manner and is parallel to the second bottom clamping plate; the second puller bolt penetrates out from the bottom of the second puller plate to the top direction, the penetrating end of the second puller bolt is matched with the second puller nut, and the top end of the second puller bolt is tightly propped against the right side face of the steel plate beam hoisting section.
A clamping method of a welding fixture device for a hoisting section of a steel plate combined beam bridge specifically comprises the following steps:
(1) firstly, hoisting a section of steel plate girder hoisting section on a bridge site construction measuring point, detecting the plane line shape and the vertical camber, and positioning after adjusting; then another section of the steel plate composite beam hoisting section is hoisted on a bridge site construction measuring point, the plane linearity, the vertical camber and the butt joint gap and the butt joint dislocation of the top and bottom webs of the steel main beams of the steel plate composite beam hoisting section are detected, and the steel plate composite beam hoisting section is adjusted and then positioned in place to meet the requirement of the linearity precision of the formed bridge frame;
(2) fixing the top plates of the two sections of steel plate combination beam hoisting sections, hoisting the fixture device at the interface of the two sections of steel plate combination beam hoisting sections, clamping the fixture device and the top plates of the two sections of steel plate combination beam hoisting sections by using a flange, and clamping and fixing the fixture device on a steel beam rod piece;
(3) fixedly connecting a first bottom clamping plate and a second bottom clamping plate on a first upright post and a second upright post respectively in advance, then screwing a first connecting bolt and a second connecting bolt respectively, bolting one end of a first clamping assembly with the first upright post, screwing a first puller bolt at the other end of the first clamping assembly, bolting one end of a second clamping assembly with the second upright post, screwing a second puller bolt at the other end of the second clamping assembly, so that the first clamping assembly and the second clamping assembly respectively transmit force to the first puller bolt and the second puller bolt to jack two sides of a steel girder web welding seam of two steel girder hoisting sections, and adjusting in place to jack and clamp the steel girder hoisting sections;
(4) the fixture device is arranged at the interface of two adjacent steel plate beam hoisting sections which are positioned in advance, and the steel plate beam hoisting sections are adjusted in position to enable the clamping mechanism to be tightly supported and clamped on two sides of the web;
(5) and (3) after one bridge site girth welding and flaw detection are finished, disassembling the first connecting bolt, the second connecting bolt, the first tightening bolt and the second tightening bolt, hanging the fixture device at the joint of two steel plate beam hoisting sections at the next position, and repeating the steps (1) - (4).
Has the advantages that:
the welding fixture device for hoisting segments of the steel plate composite beam bridge has simple and reasonable structural design, and guarantees the on-site welding quality of the steel plate composite beam, the manufacturing quality of the steel bridge and the manufacturing line shape and erection accuracy standard requirements of a curved steel plate beam bridge through designing and manufacturing reasonably feasible fixtures aiming at the manufacturing characteristics of the steel plate beam bridge; the utility model discloses steel sheet combination beam bridge hoist and mount festival section welding jig device can recycle when the welding seam of spot welding circumferential weld kneck, and the dismouting of being convenient for on-the-spot is favorable to practicing thrift manufacturing cost, improves on-the-spot production efficiency, and provides the safety guarantee for bridge position high altitude construction, the utility model discloses use safe and reliable, convenient easy going, the practicality is strong, is worth using widely.
Drawings
Fig. 1 is the utility model discloses steel sheet combination beam bridge hoist and mount festival section welding jig device's front view.
Fig. 2 is the a-a direction view of the welding fixture device for hoisting segments of the steel plate composite beam bridge.
Fig. 3 is a B-B direction view of the welding fixture device for hoisting segments of the steel plate composite beam bridge.
Figure 4 is the utility model discloses E regional enlargements in the figure 3 of steel sheet combination beam bridge hoist and mount festival section welding jig device.
Fig. 5 is the C-C direction view of the welding fixture device for hoisting segments of the steel plate composite beam bridge of the utility model.
Fig. 6 is the D-D direction view of the welding fixture device for hoisting segments of steel plate composite beam bridge of the utility model.
Fig. 7 is the utility model discloses steel sheet combination beam bridge hoist and mount festival section welding jig device's left side view.
Fig. 8 is the utility model discloses steel sheet combination beam bridge hoist and mount festival section welding jig device is used for the structure elevation of the girth welding of steel sheet combination beam bridge position crossbeam after reforming transform.
Fig. 9 is the E-E direction view in fig. 8 of the ring seam welding for the steel plate composite beam bridge position beam after the steel plate composite beam bridge hoisting segment welding fixture device of the utility model is reformed.
Fig. 10 is an F-F direction view in fig. 8 of the ring seam welding for the bridge position beam of the steel plate composite beam bridge after the steel plate composite beam bridge hoisting segment welding fixture device of the utility model is reformed.
Detailed Description
As shown in fig. 1 to 7, the utility model discloses steel sheet combination beam bridge hoist and mount festival section welding jig device, including grudging post 1, crossbeam 2, lug plate 3 and clamping mechanism 4.
The stand 1 is vertically placed and comprises a first stand 11 and a second stand 12, wherein the first stand 11 and the second stand 12 are identical in structure and are symmetrically arranged with each other.
The first vertical frame 11 is a rectangular frame structure and is composed of four first vertical columns 111, a first ladder stand 112, a first sealing bottom plate 113 and a first baffle plate 114; the four first upright columns 11 are distributed in a matrix manner, and the upper ends of two first upright columns 111 positioned on the left side of the first upright column 11 are higher than the upper ends of two first upright columns 111 positioned on the right side of the first upright column 11; a plurality of first ladders 112 are horizontally connected between two adjacent first upright columns 111 positioned on the left side, the front side and the rear side of the first upright frame 11, and the plurality of first ladders 112 are uniformly distributed from top to bottom; the first sealing bottom plate 113 is horizontally arranged at the bottom ends of the four first upright posts 111 in a matching manner; the first baffle 114 is fittingly installed on the left, front and rear outer walls of the first stand 11.
The second vertical frame 12 is a rectangular frame structure and is composed of four second vertical columns 121, a second ladder 122, a second bottom sealing plate 123 and a second baffle 124; the four first upright columns 11 are distributed in a matrix manner, and the upper ends of two second upright columns 121 positioned on the right side of the second upright frame 12 are higher than the upper ends of two second upright columns 121 positioned on the left side of the second upright frame 12; a plurality of second crawling ladders 122 are horizontally connected between two adjacent second upright columns 121 positioned on the right side, the front side and the rear side of the second upright frame 12, and the plurality of second crawling ladders 122 are uniformly distributed from top to bottom; the second bottom sealing plate 123 is horizontally installed at the bottom ends of the four second upright posts 121 in a matching manner; the second baffle 124 is fittingly mounted to the right, front and rear outer walls of the second stand 12.
The cross beam 2 is provided with a pair of cross beams and is respectively horizontally arranged at the top of the vertical frame 1; the pair of cross members 2 are horizontally connected between the top ends of the two first vertical columns 111 on the left side of the first vertical frame 11 and the top ends of the two second vertical columns 121 on the right side of the second vertical frame 12.
The ear plate 3 has two pairs, wherein one pair of ear plates 3 is respectively mounted on the top ends of the two first vertical columns 111 on the right side of the first vertical frame 11 in a matching manner, and the other pair of ear plates 3 is respectively mounted on the top ends of the two first vertical columns 111 on the left side of the second vertical frame 12 in a matching manner.
The clamping mechanism 4 is matched and installed between the middle sections of the first vertical frame 11 and the second vertical frame 12 of the vertical frame 1; wherein, the clamping mechanism 4 comprises a pair of first clamping components 41 and a pair of second clamping components 42, the first clamping components 41 and the second clamping components 42 are arranged opposite to each other and have the same structure; the pair of first clamping assemblies 41 are arranged on the outer walls of the middle sections of the two first vertical columns 111 on the right side of the first vertical frame 11 in a matching manner, and the pair of second clamping assemblies 42 are arranged on the outer walls of the middle sections of the two second vertical columns 121 on the left side of the second vertical frame 12 in a matching manner; the pair of first clamping assemblies 41 and the pair of second clamping assemblies 42 tightly support two sides of the web of the steel plate beam hoisting section 5, so that the aim of controlling butt joint and dislocation is achieved, and the assembly requirement is met.
Each first clamping assembly 41 includes a first bottom clamping plate 411, a first middle clamping plate 412, a first top clamping plate 413, a pair of first top tightening bolts 414, and a pair of first connecting bolts 415; the first bottom clamping plate 411 is composed of a pair of stacked base plates and is matched and fixed on the outer wall of the middle section of the first upright post 111 positioned on the right side of the first upright frame 11 through a pair of first connecting bolts 415 and a pair of first connecting nuts 416; the first middle clamping plate 412 has a pair of top surfaces symmetrically and vertically fixed to the first bottom clamping plate 411; the first top clamping plate 413 is fittingly fixed to the top ends of the pair of first middle clamping plates 412 and is kept parallel to the first bottom clamping plate 411; the pair of first tightening bolts 414 penetrate from the bottom of the first top clamping plate 413 to the top direction, and a pair of first tightening nuts 417 are installed at penetrating ends of the pair of first tightening bolts in a matching manner, and top ends of the pair of first tightening bolts 415 are tightened against the left side surface of the steel plate girder hoisting section 5.
Each second clamping assembly 42 includes a second bottom clamping plate 421, a second middle clamping plate 422, a second top clamping plate 423, a pair of second tightening bolts 424 and a pair of second connecting bolts 425; the second bottom clamping plate 421 is composed of a pair of stacked backing plates and is matched and fixed on the outer wall of the middle section of the first upright post 111 at the right side of the first upright frame 11 through a pair of second connecting bolts 425 and a pair of second connecting nuts 426; the second middle clamping plate 422 has a pair of top surfaces symmetrically and vertically fixed to the second bottom clamping plate 421; the second top clamping plate 423 is fittingly fixed to top ends of the pair of second middle clamping plates 422 and is kept parallel to the second bottom clamping plate 421; the second tightening bolts 424 penetrate out from the bottoms of the pair of second tightening plates 423 to the top direction, and a pair of second tightening nuts 427 are installed at penetrating ends of the second tightening bolts 424 in a matching manner, and the top ends of the pair of second tightening bolts 424 are tightened against the right side surface of the steel girder of the steel plate girder hoisting section 5.
The utility model discloses a use method does:
firstly, the clamp of the utility model is hung at the interface of two adjacent hoisting section steel members 5 which are positioned in advance, and the beam 2 is erected at the interface of the upper flange plate of the steel plate girder hoisting section 5, the central line of the clamp of the utility model is aligned with the longitudinal and transverse base lines of the steel plate girder hoisting section 5, and the clamp of the utility model is clamped with the upper flange plate of the steel plate girder hoisting section 5 after being adjusted in place;
then, the brace piece part 8 is fixedly connected to the longitudinal beam parts 4 on the two sides in advance, the other brace piece part 8, the other brace piece part 9 and the brace rod part 10 are assembled and welded into a combined part in advance, the connecting bolts on the two sides of the longitudinal beam are screwed, the combined part is bolted with the longitudinal beam parts 4, the jacking bolt is screwed at the other end of the combined part, the force-transferring jacking bolt of the combined part jacks the two sides of a web welding seam of the steel main beam, and the combined part is adjusted to be in place and then jacked and clamped.
According to the requirements of the welding process, butt welding seams among the steel plate girder hoisting sections 5 are welded according to the sequence of the web plate, the lower flange plate and the upper flange plate, and nondestructive detection is carried out on the welding seams, so that the circular seam welding and flaw detection operation of the steel plate girder hoisting sections 5 at the bridge site is realized.
The utility model discloses a clamping method for welding steel sheet combination beam bridge hoist and mount fixture device of festival section specifically includes following step:
(1) firstly, a steel plate girder hoisting section 5 is hoisted on a bridge site construction measuring point, the line shape and the vertical camber of a plane are detected, and the steel plate girder hoisting section is adjusted to be in place; then another steel plate combination beam hoisting section 5 is hoisted on a bridge site construction measuring point, the plane linearity, the vertical camber and the butt joint gap and the butt joint dislocation of the top and bottom webs of the steel main beams of the steel plate combination beam hoisting section 5 are detected, the steel plate combination beam hoisting section is in place after being adjusted, the requirement of the linearity precision of the bridge frame is met, and the top plates of the two steel plate combination beam hoisting sections 5 are fixed by horse plates;
(2) the clamp device of the utility model is hung at the interface of the two sections of steel plate combination beam hoisting sections 5, the clamp device of the utility model is clamped with the top plate of the two sections of steel plate combination beam hoisting sections 5 by the flange, and the clamp device of the utility model is clamped and fixed on the steel beam rod piece of the two sections of steel plate combination beam hoisting sections 5;
(3) a first bottom clamping plate 411 and a second bottom clamping plate 421 are fixedly connected to a first upright post 111 and a second upright post 121 on two sides in advance, the first bottom clamping plate 411, a first middle clamping plate 412 and a first top clamping plate 413 are welded in advance to form a combined piece, namely a first clamping component 41, the second bottom clamping plate 421, a second middle clamping plate 422 and a second top clamping plate 423 are welded in advance to form a combined piece, namely a second clamping component 42, then a first connecting bolt 415 and a second connecting bolt 425 on two sides of the first upright post 111 and the second upright post 121 are screwed, one end of the first clamping component 41 is bolted with the first upright post 111, the other end of the first clamping component 41 is screwed with a first top bolt 414, one end of the second clamping component 42 is bolted with the second upright post 121, the other end of the second clamping component 42 is screwed with a second top bolt 424, so that the first clamping component 41 and the second clamping component 42 respectively transmit force to the first top bolt 414 and the second top bolt 424, tightly jacking two sides of a steel girder web welding seam of the two sections of steel plate girder hoisting sections 5, and tightly jacking and clamping the steel plate girder hoisting sections 5 after adjusting in place;
(4) according to the requirements of a welding process, bridge position girth welding, nondestructive testing operation and the like are carried out according to the sequence of the web plate, the lower flange plate and the upper flange plate of the steel plate girder hoisting section 5 so as to ensure the quality of a welding seam;
(5) after a bridge site girth welding, the completion of detecting a flaw, can dismantle first connecting bolt 415, second connecting bolt 425, first puller bolt 414 and second puller bolt 424, will the utility model discloses an anchor clamps device hangs and puts the kneck of two sections steel sheet roof beam hoist and mount festival section 5 of next department, carries out next beam section bridge site girth welding and the operation of detecting a flaw, finally realizes steel sheet combination beam bridge hoist and mount festival section bridge site girth welding, nondestructive test etc. high altitude construction's purpose, guarantees the precision of erectting of steel sheet combination beam bridge hoist and mount festival section.
As shown in fig. 8-10, the utility model can also be used for welding the bridge position circular seam of the clamping beam rod piece.
The utility model discloses can recycle, the dismouting of being convenient for on-the-spot is favorable to practicing thrift the production manufacturing cost, improves on-the-spot production efficiency, and provides the safety guarantee for bridge site high altitude construction, safe and reliable, convenient easy going, practicality are strong, can guarantee the manufacturing quality of steel plate girder bridge hoist and mount festival section and erect the precision and satisfy the standard requirement.
Claims (7)
1. The utility model provides a steel sheet combination beam bridge hoist and mount festival section welding jig device which characterized in that: the clamp device comprises a vertical frame, a cross beam, a lifting lug plate and a clamping mechanism;
the stand is vertically placed and comprises a first stand and a second stand, and the first stand and the second stand are symmetrically arranged with each other;
the cross beam is horizontally arranged at the tops of the first vertical frame and the second vertical frame in a matched mode; the top ends of the opposite sides of the first vertical frame and the second vertical frame are provided with the lug plates in a matched mode; the clamping mechanism is arranged between the middle sections of the opposite sides of the first vertical frame and the second vertical frame in a matched mode; the steel plate girder hoisting section is clamped between the first vertical frame and the second vertical frame through the clamping mechanism.
2. The welding fixture device for the hoisting section of the steel plate composite beam bridge as claimed in claim 1, wherein: the first vertical frame is of a cuboid frame structure and consists of four first vertical columns, a first ladder stand, a first sealing bottom plate and a first baffle plate; the four first stand columns are distributed in a matrix manner, and the upper ends of the two first stand columns positioned on the left side of the first stand column are higher than the top ends of the two first stand columns positioned on the right side of the first stand column; a plurality of first crawling ladders are horizontally connected between two adjacent first upright columns positioned on the left side, the front side and the rear side of the first upright column; the first sealing bottom plate is horizontally arranged at the bottom ends of the four first stand columns in a matching manner; the outer walls of the left side, the front side and the rear side of the first vertical frame are provided with the first baffle plates in a matching way;
the second vertical frame is of a cuboid frame structure and consists of four second vertical columns, a second ladder stand, a second sealing bottom plate and a second baffle plate; the four second upright columns are distributed in a matrix manner, and the two second upright columns positioned on the right side of the second upright column are higher than the two second upright columns positioned on the left side of the second upright column; a plurality of second crawling ladders are horizontally connected between two adjacent second upright columns positioned on the right side, the front side and the rear side of the second upright column; the second sealing bottom plate is horizontally arranged at the bottom ends of the four second stand columns in a matching manner; the outer walls of the right side, the front side and the rear side of the second vertical frame are provided with the second baffle plates in a matched mode.
3. The welding fixture device for the hoisting section of the steel plate composite beam bridge as claimed in claim 2, wherein: the cross beam is provided with a pair of cross beams which are respectively and horizontally connected between the top ends of the two first upright columns on the left side of the first upright frame and the top ends of the two second upright columns on the right side of the second upright frame.
4. The welding fixture device for the hoisting section of the steel plate composite beam bridge as claimed in claim 2, wherein: the lifting lug plates are provided with two pairs, one pair of the lifting lug plates are respectively installed on the top ends of the two first stand columns on the right side of the first stand column in a matching mode, and the other pair of the lifting lug plates are respectively installed on the top ends of the two first stand columns on the left side of the second stand column in a matching mode.
5. The welding fixture device for the hoisting section of the steel plate composite beam bridge as claimed in claim 2, wherein: the clamping mechanism comprises a first clamping assembly and a second clamping assembly; the first clamping assembly is mounted on the outer wall of the middle section of the first upright column on the right side of the first upright frame in a matching manner, and the second clamping assembly is mounted on the outer wall of the middle section of the second upright column on the left side of the second upright frame in a matching manner; the first clamping assembly and the second clamping assembly are arranged opposite to each other in a left-right mode; the pair of first clamping assemblies and the pair of second clamping assemblies tightly support two sides of a web plate of the steel plate beam hoisting section.
6. The welding fixture device for the hoisting section of the steel plate composite beam bridge as claimed in claim 5, wherein: the first clamping assembly comprises a first bottom clamping plate, a first middle clamping plate, a first top tightening bolt and a first connecting bolt; the first bottom clamping plate is matched with a first connecting nut through the first connecting bolt and is fixed on the outer wall of the right middle section of the first vertical frame in a matching manner; the first middle clamping plate is provided with a pair of symmetrical top surfaces which are vertically fixed on the first bottom clamping plate; the first top clamping plate is fixed at the top ends of the first middle clamping plates in a matching way and is parallel to the first bottom clamping plate; the first puller bolt penetrates out from the bottom of the first puller plate to the top direction, the penetrating end of the first puller bolt is matched with the first puller nut, and the top end of the first puller bolt is tightly propped against the left side face of the steel plate beam hoisting section.
7. The welding fixture device for the hoisting section of the steel plate composite beam bridge as claimed in claim 5, wherein: the second clamping assembly comprises a second bottom clamping plate, a second middle clamping plate, a second top tightening bolt and a second connecting bolt; the second bottom clamping plate is matched and fixed on the outer wall of the right middle section of the second vertical frame through the second connecting bolt and a second connecting nut; the second middle clamping plate is provided with a pair of symmetrical top surfaces which are vertically fixed on the second bottom clamping plate; the second top clamping plate is fixed at the top ends of the second middle clamping plates in a matching manner and is parallel to the second bottom clamping plate; the second puller bolt penetrates out from the bottom of the second puller plate to the top direction, the penetrating end of the second puller bolt is matched with the second puller nut, and the top end of the second puller bolt is tightly propped against the right side face of the steel plate beam hoisting section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022231994.1U CN213531407U (en) | 2020-10-10 | 2020-10-10 | Welding fixture device for hoisting segments of steel plate combined beam bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022231994.1U CN213531407U (en) | 2020-10-10 | 2020-10-10 | Welding fixture device for hoisting segments of steel plate combined beam bridge |
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| Publication Number | Publication Date |
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| CN213531407U true CN213531407U (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022231994.1U Active CN213531407U (en) | 2020-10-10 | 2020-10-10 | Welding fixture device for hoisting segments of steel plate combined beam bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171160A (en) * | 2020-10-10 | 2021-01-05 | 中铁宝桥集团有限公司 | Welding fixture device for hoisting section of steel plate combined beam bridge and clamping method of welding fixture device |
-
2020
- 2020-10-10 CN CN202022231994.1U patent/CN213531407U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171160A (en) * | 2020-10-10 | 2021-01-05 | 中铁宝桥集团有限公司 | Welding fixture device for hoisting section of steel plate combined beam bridge and clamping method of welding fixture device |
| CN112171160B (en) * | 2020-10-10 | 2024-07-23 | 中铁宝桥集团有限公司 | Welding fixture device and clamping method for hoisting section of steel plate composite beam bridge |
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