Tool for reducing welding deformation of truss

Abstract

The utility model discloses a tool for reducing welding deformation of a truss, which belongs to the technical field of steel structure engineering construction and comprises a base plate and a jack, a steel pipe is fixedly mounted at the top end of the base plate, a partition plate is fixedly mounted on the inner wall of the steel pipe, and the interior of the steel pipe is divided into a placing area and an adjusting area by the partition plate. A plurality of sliding holes are formed in the outer side of the steel pipe, a supporting shaft is rotationally installed between the two sides of the inner wall of each sliding hole, a supporting plate and a push plate are symmetrically and fixedly installed on the outer side of each supporting shaft, an adjusting assembly is installed at one end of each push plate, and the jacks are movably placed in the containing areas and movably connected with the top ends of the partition plates. The device is simple in structure, easy and convenient to manufacture and convenient to mount and dismount, after the device is used, shrinkage deformation of the steel structure truss in the welding process is reduced, the straightening workload after welding is reduced, and the geometric dimension and the appearance quality of the steel structure truss are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure engineering construction, in particular to a tool for reducing truss welding deformation. Background Art

[0002] At present, the production of steel structure trusses is very common in the process of steel structure construction. When the straight webs and diagonal webs of traditional steel structure trusses are welded with the upper and lower chords, the ends of the upper and lower chords will shrink inward due to the welding heat input. The greater the welding amount, the greater the heat input, the more serious the shrinkage of the upper and lower chord ends, and the greater the workload of straightening after welding, which invisibly causes the loss of time, manpower and materials. Since straightening after welding requires the use of machinery and flames, it will also cause damage to the surface of the steel structure truss, affecting its appearance quality. Utility Model Content

[0003] In order to make up for the above shortcomings, the utility model provides a tool for reducing truss welding deformation, aiming to improve the problem that the surface of the steel structure truss is easily damaged during welding and the shrinkage deformation of the steel structure truss during welding.

[0004] The utility model is implemented as follows: a tool for reducing truss welding deformation, comprising a pad and a jack, a steel pipe is fixedly installed on the top of the pad, a partition is fixedly installed on the inner wall of the steel pipe, the partition divides the inside of the steel pipe into a placement area and an adjustment area, a plurality of sliding holes are arranged on the outer side of the steel pipe, a support shaft is rotatably installed between the two sides of the inner wall of the sliding hole, a support plate and a push plate are symmetrically fixedly installed on the outer side of the support shaft, an adjustment component is installed on one end of the push plate, the jack is movably placed in the placement area and movably connected to the top of the partition, and a fixing component cooperating with the jack is installed on the outer side of the steel pipe.

[0005] In the preferred technical solution of the utility model, the length of the support plate is longer than that of the push plate, the support plate and the push plate are movably connected to the inner wall of the sliding hole, and one end of the support plate is set as an arc.

[0006] In the preferred technical solution of the present utility model, the adjustment assembly includes a first threaded rod and a slider, the first threaded rod is rotatably installed on the bottom end of the partition, the slider is threadedly installed on the first threaded rod, a mounting groove is provided on the outer side of the slider, a plurality of telescopic rods are fixedly installed on the inner wall of the mounting groove, the telescopic end of the telescopic rod is hinged to one end of the push plate, the slider is circularly arranged, the telescopic rods are equidistantly installed in the mounting groove in a ring shape, and the telescopic rods are composed of two pull rods slidingly sleeved.

[0007] In the preferred technical solution of the utility model, a groove is provided at the bottom end of the pad, a first rotating shaft is fixedly installed at the bottom end of the first threaded rod, the bottom end of the first rotating shaft passes through the pad and a straight plate is fixedly installed, and the straight plate is slidably connected to the inner wall of the groove.

[0008] In the preferred technical solution of the utility model, there are four sliding holes, which are equidistantly arranged in an annular manner on the outside of the steel pipe, and the length of the sliding hole is greater than the sum of the lengths of the support plate and the push plate.

[0009] In the preferred technical scheme of the present utility model, the fixing assembly includes a bracket, a side panel and a slide plate, the bracket is symmetrically fixedly installed on the outer side of the steel pipe, the bracket is L-shaped, the side panel is fixedly installed on the top of the bracket, a bidirectional threaded rod and a guide rod are rotatably installed between the two side panels, the slide plate is symmetrically threaded on the bidirectional threaded rod and symmetrically slidably installed on the guide rod, one end of the bidirectional threaded rod is fixedly installed with a second rotating shaft, one end of the second rotating shaft passes through one side of the side panel and is fixedly installed with a turntable, the threads on the bidirectional threaded rod are centrally symmetrically arranged, and the bidirectional threaded rod and the guide rod are symmetrically arranged between the two side panels.

[0010] In the preferred technical solution of the utility model, a clamping block is fixedly installed on the side closest to the two slide plates, an arc groove is provided on one side of the clamping block, and a buffer pad is installed on the inner wall of the arc groove.

[0011] The beneficial effects of the utility model are as follows: the utility model obtains a tool for reducing truss welding deformation through the above-mentioned design, wherein rotating the straight plate drives the first threaded rod to rotate, and the rotation of the first threaded rod drives the slider to move, and the movement of the slider drives the support shaft to rotate through the telescopic rod and the push plate, and the rotation of the support shaft drives the support plate to rotate until it is supported together with the bottom end of the pad. At this time, the equipment is placed below the place where support is required, and then the jack is placed on the partition, and the turntable is rotated to drive the two-way threaded rod to rotate, and the rotation of the two-way threaded rod drives the two slides to move relative to each other, so that the jack is clamped and fixed by the clamping block, and finally the bottom end of the steel structure truss is supported by the jack. This device has a simple structure, is easy to manufacture, and is easy to install and disassemble. After use, it reduces the shrinkage deformation during the welding process of the steel structure truss, reduces the workload of straightening after welding, and ensures the geometric size and appearance quality of the steel structure truss. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic structural diagram of a tool for reducing truss welding deformation provided by an embodiment of the utility model;

[0014] Figure 2 A schematic diagram of the internal structure of a steel pipe is provided for the implementation mode of the utility model;

[0015] Figure 3 A partial structural schematic diagram of a tool for reducing truss welding deformation is provided for an embodiment of the utility model;

[0016] Figure 4 A structural schematic diagram of a fixing assembly is provided for an embodiment of the utility model.

[0017] In the figure: 110- pad; 120- jack; 130- steel pipe; 131- partition; 132- sliding hole; 133- support shaft; 134- support plate; 135- push plate; 140- fixing assembly; 141- bracket; 142- side plate; 143- slide plate; 144- guide rod; 145- bidirectional threaded rod; 146- clamping block; 150- first threaded rod; 151- slide block; 152- telescopic rod; 153- straight plate. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-Figure 3The utility model provides a technical solution: a tool for reducing truss welding deformation, including a pad 110 and a jack 120, a steel pipe 130 is fixedly installed on the top of the pad 110, a partition 131 is fixedly installed on the inner wall of the steel pipe 130, and the partition 131 divides the inside of the steel pipe 130 into a placement area and an adjustment area, a plurality of sliding holes 132 are arranged on the outer side of the steel pipe 130, a support shaft 133 is rotatably installed between the two sides of the inner wall of the sliding hole 132, a support plate 134 and a push plate 135 are symmetrically fixedly installed on the outer side of the support shaft 133, and an adjustment component is installed on one end of the push plate 135, and the adjustment component includes a first threaded rod 150 and a sliding rod 151. Block 151, the first threaded rod 150 is rotatably installed at the bottom end of the partition 131, the slider 151 is threadedly installed on the first threaded rod 150, a mounting groove is arranged on the outer side of the slider 151, and a plurality of telescopic rods 152 are fixedly installed on the inner wall of the mounting groove, the telescopic end of the telescopic rod 152 is hinged to one end of the push plate 135, the slider 151 is circularly arranged, the telescopic rods 152 are equidistantly installed in the mounting groove in a ring, the telescopic rods 152 are composed of two pull rods slidingly sleeved, the jack 120 is movably placed in the placement area and movably connected to the top of the partition 131, and a fixing component 140 cooperating with the jack 120 is installed on the outer side of the steel pipe 130.

[0020] In some specific embodiments, the length of the support plate 134 is longer than the length of the push plate 135, the support plate 134 and the push plate 135 are movably connected to the inner wall of the sliding hole 132, one end of the support plate 134 is set in an arc, there are four sliding holes 132, and the four sliding holes 132 are arranged in an annular manner and equidistantly on the outside of the steel pipe 130. The length of the sliding hole 132 is greater than the sum of the lengths of the support plate 134 and the push plate 135, so that the support plate 134 and the push plate 135 can be placed in the sliding hole 132 when not in use.

[0021] In some specific implementation schemes, a groove is provided at the bottom of the pad 110, and the first rotating shaft is fixedly installed at the bottom of the first threaded rod 150. The bottom end of the first rotating shaft passes through the pad 110 and is fixedly installed with a straight plate 153, which is slidably connected to the inner wall of the groove.

[0022] See also Figure 4 The fixing assembly 140 includes a bracket 141, a side plate 142 and a slide plate 143. The bracket 141 is symmetrically fixedly installed on the outside of the steel pipe 130. The bracket 141 is L-shaped. The side plate 142 is fixedly installed on the top of the bracket 141. A two-way threaded rod 145 and a guide rod 144 are rotatably installed between the two side plates 142. The slide plate 143 is symmetrically threaded on the two-way threaded rod 145 and symmetrically slidably installed on the guide rod 144. One end of the two-way threaded rod 145 is fixedly installed with a second rotating shaft, and one end of the second rotating shaft passes through one side of the side plate 142 and is fixedly installed with a turntable. The threads on the two-way threaded rod 145 are centrally symmetrically arranged, and the two-way threaded rod 145 and the guide rod 144 are symmetrically arranged between the two side plates 142.

[0023] In some specific implementation schemes, the two slide plates 143 are fixedly installed with a clamping block 146 on the side closest to them. An arc groove is provided on one side of the clamping block 146, and a buffer pad is installed on the inner wall of the arc groove to increase the contact surface with the jack 120, thereby increasing the stability during extrusion fixation.

[0024] Working principle: Rotating the I-plate 153 drives the first threaded rod 150 to rotate, and the rotation of the first threaded rod 150 drives the slider 151 to move. The movement of the slider 151 drives the support shaft 133 to rotate through the telescopic rod 152 and the push plate 135. The rotation of the support shaft 133 drives the support plate 134 to rotate until it is jointly supported with the bottom end of the pad 110. At this time, place the equipment below the place where support is required, and then place the jack 120 on the partition 131. Rotating the turntable drives the two-way threaded rod 145 to rotate. The rotation of the two-way threaded rod 145 drives the two slides 143 to move relative to each other, so that the jack 120 is clamped and fixed by the clamping block 146, and finally the bottom end of the steel structure truss is supported by the jack 120.

[0025] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A tool for reducing truss welding deformation, comprising a pad and a jack, characterized in that: A steel pipe is fixedly installed on the top of the pad, and a partition is fixedly installed on the inner wall of the steel pipe. The partition divides the inside of the steel pipe into a placement area and an adjustment area. A plurality of sliding holes are arranged on the outside of the steel pipe, and a support shaft is rotatably installed between the two sides of the inner wall of the sliding hole. A support plate and a push plate are symmetrically fixedly installed on the outside of the support shaft, and an adjustment component is installed on one end of the push plate. The jack is movably placed in the placement area and movably connected to the top of the partition, and a fixed component cooperating with the jack is installed on the outside of the steel pipe.

2. A tool for reducing truss welding deformation according to claim 1, characterized in that: The length of the support plate is longer than that of the push plate, and the support plate and the push plate are movably connected to the inner wall of the sliding hole.

3. A tool for reducing truss welding deformation according to claim 1, characterized in that: The adjustment assembly includes a first threaded rod and a slider. The first threaded rod is rotatably mounted on the bottom end of the partition. The slider is threadably mounted on the first threaded rod. An installation groove is provided on the outer side of the slider. A plurality of telescopic rods are fixedly mounted on the inner wall of the installation groove. The telescopic end of the telescopic rod is hinged to one end of the push plate.

4. A tool for reducing truss welding deformation according to claim 3, characterized in that: The bottom end of the pad is provided with a groove, the bottom end of the first threaded rod is fixedly mounted with a first rotating shaft, and the bottom end of the first rotating shaft passes through the pad and is fixedly mounted with a straight plate.

5. A tool for reducing truss welding deformation according to claim 1, characterized in that: There are four sliding holes, which are equidistantly arranged in an annular manner on the outside of the steel pipe.

6. A tool for reducing truss welding deformation according to claim 1, characterized in that: The fixing assembly includes a bracket, a side plate and a slide plate. The bracket is symmetrically fixedly installed on the outer side of the steel pipe. The bracket is L-shaped. The side plate is fixedly installed on the top of the bracket. A bidirectional threaded rod and a guide rod are rotatably installed between the two side plates. The slide plate is symmetrically threaded on the bidirectional threaded rod and symmetrically slidably installed on the guide rod. A second rotating shaft is fixedly installed on one end of the bidirectional threaded rod, and one end of the second rotating shaft passes through one side of the side plate and is fixedly installed on a turntable.

7. A tool for reducing truss welding deformation according to claim 6, characterized in that: A clamping block is fixedly installed on the side closest to the two slide plates, and an arc groove is arranged on one side of the clamping block.

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