CN215902978U - Positioning jig frame for welding processing of arched grid steel frame - Google Patents
Positioning jig frame for welding processing of arched grid steel frame Download PDFInfo
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- CN215902978U CN215902978U CN202120925212.6U CN202120925212U CN215902978U CN 215902978 U CN215902978 U CN 215902978U CN 202120925212 U CN202120925212 U CN 202120925212U CN 215902978 U CN215902978 U CN 215902978U
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Abstract
A positioning jig frame for welding and processing an arched grid steel frame comprises an I-shaped steel bottom support, wherein the I-shaped steel bottom support is integrally cold-bent to form an arc-shaped surface with the same radian as the grid steel frame, a plurality of support legs are fixedly arranged on the bottom plane of the I-shaped steel bottom support, a plurality of vertically through insertion holes are formed in the middle plane of the I-shaped steel bottom support, and end face positioning plates extending upwards are fixedly arranged at two ends of the I-shaped steel bottom support; the inside grafting of jack is fixed with a plurality of bed-jig layer boards that extend to I-steel collet top, makes a plurality of steel bar draw-in grooves that link up along the circumferential direction of arcwall face on this bed-jig layer board, and a plurality of bed-jig layer boards are cut apart into a plurality of welding process district with the upper portion region of I-steel collet. When the positioning jig frame is used for welding and processing the arched grid steel frame, the main ribs are positioned simply and are not limited by the number of machines, and when multiple faces are constructed on site simultaneously, the field requirements can be met only by increasing the number of the jig frame and the number of welder personnel, and the method is convenient to popularize and apply.
Description
Technical Field
The utility model relates to the technical field of steel frame welding, in particular to a positioning jig frame for welding and processing an arched grid steel frame.
Background
The grid steel frame generally comprises an arch wall and an inverted arch, each unit is formed by welding main ribs, reinforcing ribs and connecting angle steel, and the units are connected by bolts. Because every unit camber of grid steelframe is all inconsistent, still need further change when the tunnel cross-section is widened, and every unit all has many owner muscle, and the construction specification is high to the location requirement of owner muscle.
Therefore, how to accurately position the spatial positions of a plurality of main ribs of the grid steel frame, how to quickly adjust and position different curvatures of different widening sections, and provide adjustable multi-spot welding processing positions for reinforcing steel bars on the welded main ribs, and the technical personnel in the field need to solve the problems.
Through published patent searches, the following comparison documents were found:
CN 210615626U-discloses a grid arch center processing jig, which comprises two or more sections of I-steel, wherein the bottoms of the two ends of each section of I-steel are respectively fixed with a three-dimensional support frame, one side of the I-steel is fixedly connected with a triangular bracket, the tops of all the triangular brackets are welded with two positioning steel bars side by side, a vertical positioning steel plate is welded between the two positioning steel bars, and four vertical positioning grooves are formed in the vertical positioning steel plate; the three-dimensional support frame comprises two vertical support steel bars symmetrically welded at the bottom of the I-shaped steel, a connecting bar is welded between the two vertical support steel bars, and an inclined support steel bar is welded at the bottom of the connecting bar and the bottom of the I-shaped steel. The utility model discloses a spatial position of four main muscle of grid steelframe can be pinpointed, the section camber that widens to the difference can the quick adjustment location not simultaneously to for welding other reinforcing bars provide effective operation platform.
Through the analysis, grid bow member processing bed-jig in the above-mentioned laid-open patent all has the difference with this application in structure and function, therefore does not influence the novelty of this application.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides the positioning jig frame for welding and processing the arched grid steel frame.
The purpose of the utility model is realized by the following technical scheme:
a positioning jig frame for welding and processing an arched grid steel frame comprises an I-shaped steel bottom support, wherein the I-shaped steel bottom support is integrally cold-bent to form an arc-shaped surface with the same radian as the grid steel frame, a plurality of support legs are fixedly arranged on the bottom plane of the I-shaped steel bottom support, a plurality of vertically through insertion holes are formed in the middle plane of the I-shaped steel bottom support, and end face positioning plates extending upwards are fixedly arranged at two ends of the I-shaped steel bottom support; the inside grafting of jack is fixed with a plurality of bed-jig layer boards that extend to I-steel collet top, makes a plurality of steel bar draw-in grooves that link up along the circumferential direction of arcwall face on this bed-jig layer board, and a plurality of bed-jig layer boards are cut apart into a plurality of welding process district with the upper portion region of I-steel collet.
And the section of the jig frame supporting plate is U-shaped, and the opening end of the jig frame supporting plate faces to the outer arc surface of the I-shaped steel bottom support.
And the top surface and the middle part of the bed-jig supporting plate are both provided with a plurality of steel bar clamping grooves, and the open ends of the steel bar clamping grooves are arranged upwards.
The utility model has the advantages and technical effects that:
according to the positioning jig frame for welding and processing the arched grid steel frame, the arched grid steel frame welding platform is formed by the I-shaped steel bottom support and the supporting legs, the main ribs of the positioning grid steel frame are lifted by the plurality of jig frame supporting plates which are inserted and positioned on the I-shaped steel bottom support, the I-shaped steel bottom support is divided into a plurality of processing areas by the plurality of jig frame supporting plates, a plurality of persons can synchronously weld and process other supporting reinforcing steel bars, and the processing efficiency is high; and a plurality of jacks on the I-steel collet can be according to the welding process position, the inserted and pulled regulation is carried out to bracing steel bar laying position etc. can increase and decrease the quantity of bed-jig layer board as required, avoid bed-jig layer board and solder joint to take place to interfere in the welding process on the one hand, on the other hand can be according to the grafting position of operating personnel quantity and position adjustment bed-jig layer board, the mould locating plate of at last design plug-in still is convenient for lift out the I-steel collet with the arch grid steelframe that the welding was accomplished, avoid the too big condition that makes arch grid steelframe card die in the reinforcing bar draw-in groove of mould locating plate and can't the drawing of patterns after the reinforcing bar welding.
The positioning jig frame for welding and processing the arched grid steel frame can obviously improve the quality of the grid steel frame processed by constructors. The size and the interval of the grid steel frame are fixed through the jig frame, and an operator only needs to place the main reinforcement of the steel bar which is well fed on the jig frame supporting plate and then sequentially welds the formed 8-shaped reinforcement on the main reinforcement to complete the processing of the grid steel frame. Meanwhile, the grid steel frame jig frame is low in cost and simple to operate and is not limited by the number of machines, and when multiple faces are constructed on site simultaneously, the field requirements can be met only by increasing the number of the jig frames and the number of welders, so that the grid steel frame jig frame is convenient to popularize and apply.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a side view of the present invention;
in the figure: 1-an I-steel bottom support; 2-a bed jig supporting plate; 3-arc surface; 4-a jack; 5-a steel bar clamping groove; 6-end face positioning plate; 7-a support leg; 8-welding process area.
Detailed Description
For a further understanding of the contents, features and effects of the present invention, reference will now be made to the following examples, which are to be considered in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the utility model should not be limited thereby.
A positioning jig frame for welding and processing an arched grid steel frame comprises an I-shaped steel bottom support 1, wherein the I-shaped steel bottom support is integrally cold-bent to form an arc-shaped surface 3 with the same radian as the grid steel frame, a plurality of supporting legs 7 are fixedly arranged on the bottom plane of the I-shaped steel bottom support, a plurality of vertically through insertion holes 4 are formed in the middle plane of the I-shaped steel bottom support, and end face positioning plates 6 extending upwards are fixedly arranged at two ends of the I-shaped steel bottom support; the inside grafting of jack is fixed with a plurality of bed-jig layer boards 2 that extend to I-steel collet top, makes a plurality of reinforcing bar draw-in grooves 5 that link up along the circumferential direction of arcwall face on this bed-jig layer board, and a plurality of bed-jig layer boards are with the upper portion region of I-steel collet partition for a plurality of welding process district 8.
And the section of the jig frame supporting plate is U-shaped, and the opening end of the jig frame supporting plate faces to the outer arc surface of the I-shaped steel bottom support.
And the top surface and the middle part of the bed-jig supporting plate are both provided with a plurality of steel bar clamping grooves, and the open ends of the steel bar clamping grooves are arranged upwards.
In addition, the jack is preferably a rectangular hole, and the rectangular hole is internally limited in the circumferential direction and is axially inserted with a jig frame supporting plate in a sliding manner; it should be noted that the bottom of the bed frame supporting plate is provided with a downward extending protruding part, the protruding part adopts a common structure in the prior art, and the sliding connection mode of the protruding part inserted in the inserting hole adopts a mature technical means in the prior art.
In order to more clearly describe the specific embodiments of the present invention, an example is provided below:
the utility model relates to a positioning jig frame for welding and processing an arched grid steel frame, which is an important tool in the flow construction of the arched grid steel frame and mainly comprises three parts, namely a jig frame supporting plate and an end surface positioning plate, an I-shaped steel bottom support and support legs, wherein:
the bed-jig layer board adopts 25cm x 30cm x 1.5cm steel sheet cutting to become upper and lower two rows 4 3cm notch (reinforcing bar draw-in groove) for place 4 main muscle of grid steelframe. The positions and the intervals of the notches are arranged according to the positions of the intervals of the main ribs of the grid steel frame in the design drawing, and one side of the steel plate is provided with an opening so as to be convenient for taking out the jig frame after the grid steel frame is molded.
The end face positioning plate is made of steel plates 25cm multiplied by 40cm multiplied by 1.5cm and is used for being fixed at two ends of a jig frame to prevent longitudinal displacement during welding of the grid steel frame.
The I-steel bottom support is formed by cold bending I18I-steel, the inner radian and radius of the I-steel are the same as those of a grid steel frame required by a design drawing, and the length of each section of the grid steel frame is increased by 20 cm.
The landing leg adopts the angle steel to make for fixed bed-jig, highly general support height when considering workman welding operation is 120 cm.
The bed-jig layer board is pegged graft and is installed on the I-steel collet, is the fan-shaped, will avoid "8" word muscle position during arranging, and a plurality of bed-jig layer boards are suitable with 0.8m interval.
Finally, the utility model preferably adopts mature products and mature technical means in the prior art.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the utility model as defined in the appended claims.
Claims (3)
1. The utility model provides an arch grid steelframe welding process is with location bed-jig, includes the I-steel collet, and the whole clod wash of this I-steel collet makes the arcwall face the same with grid steelframe radian, is equipped with a plurality of landing legs on the bottom plane of I-steel collet admittedly, its characterized in that: a plurality of vertically through insertion holes are formed in the plane of the middle part of the I-shaped steel bottom support, and end face positioning plates extending upwards are fixedly arranged at the two ends of the I-shaped steel bottom support; the inside grafting of jack is fixed with a plurality of bed-jig layer boards that extend to I-steel collet top, makes a plurality of reinforcing bar draw-in grooves that link up along the circumferential direction of arcwall face on this bed-jig layer board, and a plurality of bed-jig layer boards are cut apart into a plurality of welding process district with the upper portion region of I-steel collet.
2. The positioning jig frame for welding processing of the arched grid steel frame according to claim 1, wherein: the cross-section of bed-jig layer board is the U font, and the open end of this bed-jig layer board is towards the extrados of I-steel collet.
3. The positioning jig frame for welding processing of the arched grid steel frame according to claim 1, wherein: a plurality of steel bar clamping grooves are formed in the top surface and the middle of the bed jig supporting plate, and the open ends of the steel bar clamping grooves are arranged upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120925212.6U CN215902978U (en) | 2021-04-30 | 2021-04-30 | Positioning jig frame for welding processing of arched grid steel frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120925212.6U CN215902978U (en) | 2021-04-30 | 2021-04-30 | Positioning jig frame for welding processing of arched grid steel frame |
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| CN215902978U true CN215902978U (en) | 2022-02-25 |
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| CN202120925212.6U Active CN215902978U (en) | 2021-04-30 | 2021-04-30 | Positioning jig frame for welding processing of arched grid steel frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115781151A (en) * | 2022-10-26 | 2023-03-14 | 中铁九局集团第三建设有限公司 | Positioning die suitable for processing of grating arch frame |
-
2021
- 2021-04-30 CN CN202120925212.6U patent/CN215902978U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115781151A (en) * | 2022-10-26 | 2023-03-14 | 中铁九局集团第三建设有限公司 | Positioning die suitable for processing of grating arch frame |
| WO2023142571A1 (en) * | 2022-10-26 | 2023-08-03 | 中铁九局集团第三建设有限公司 | Positioning mold suitable for grating arch frame machining |
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