CN115008112A - Prefabricated T roof beam bellows spacer bar welding stent - Google Patents

Prefabricated T roof beam bellows spacer bar welding stent Download PDF

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Publication number
CN115008112A
CN115008112A CN202210952864.8A CN202210952864A CN115008112A CN 115008112 A CN115008112 A CN 115008112A CN 202210952864 A CN202210952864 A CN 202210952864A CN 115008112 A CN115008112 A CN 115008112A
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CN
China
Prior art keywords
sliding
steel bar
guide
prefabricated
positioning steel
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210952864.8A
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Chinese (zh)
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CN115008112B (en
Inventor
彭建纲
栾志强
李永光
刘根桥
王冲
张延军
康达观
赵世杰
李冰
谢傲
尹顺伟
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China Railway 10th Bureau Group Urban Construction Engineering Co ltd
China Railway No 10 Engineering Group Co Ltd
Fourth Engineering Co Ltd of China Railway No 10 Engineering Group Co Ltd
Original Assignee
China Railway 10th Bureau Group Urban Construction Engineering Co ltd
China Railway No 10 Engineering Group Co Ltd
Fourth Engineering Co Ltd of China Railway No 10 Engineering Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by China Railway 10th Bureau Group Urban Construction Engineering Co ltd, China Railway No 10 Engineering Group Co Ltd, Fourth Engineering Co Ltd of China Railway No 10 Engineering Group Co Ltd filed Critical China Railway 10th Bureau Group Urban Construction Engineering Co ltd
Priority to CN202210952864.8A priority Critical patent/CN115008112B/en
Publication of CN115008112A publication Critical patent/CN115008112A/en
Application granted granted Critical
Publication of CN115008112B publication Critical patent/CN115008112B/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426Fixtures for other work
    • B23K37/0435Clamps
    • B23K37/0443Jigs
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The invention discloses a prefabricated T-beam corrugated pipe positioning steel bar welding support, which relates to the technical field of bridge construction and comprises a guide slide rail horizontally laid on the ground, wherein an installation frame is arranged on the guide slide rail in a sliding manner, a rotating rod vertically penetrating through the installation frame is arranged on the installation frame in a rotating manner, the rotating rod is in transmission connection with the guide slide rail, an installation disc is fixedly sleeved on the outer peripheral surface of the rotating rod, a variable-pitch spring is fixedly arranged on the installation disc, and the pitch of the variable-pitch spring is gradually increased from bottom to top; still be provided with the guide bar perpendicularly on the mounting bracket, sliding sleeve is equipped with the installation piece on the guide bar, be equipped with the positioning mechanism who is used for supporting the positioning reinforcement location on the installation piece. The invention can determine the position of the positioning steel bar in the movement process of the mounting block, improve the positioning efficiency of the positioning steel bar, reduce the workload of workers and be beneficial to improving the welding position precision of the positioning steel bar.

Description

Prefabricated T roof beam bellows spacer bar welding stent
Technical Field
The invention relates to the technical field of bridge construction, in particular to a prefabricated T-beam corrugated pipe positioning steel bar welding support.
Background
With the development of economy, the technology for building bridge engineering is continuously improved, and the prefabricated assembled T-beam bridge has the characteristics of convenient construction, material saving, convenient erection and installation and large spanning capacity, gradually replaces the traditional cast-in-place bridge, is particularly widely applied to mountainous areas, and the prefabricated construction quality of the T-beam influences the whole bridge engineering.
The steel reinforcement framework of prefabricated T roof beam includes many the horseshoe muscle, and a plurality of the same specification's the horseshoe muscle is along T roof beam longitudinal arrangement to wear to establish the longitudinal reinforcement of certain quantity in the middle of a horseshoe muscle and connect fixedly, still need alternate the bellows of certain quantity after the steel reinforcement framework ligature is accomplished, wear to establish the prestressing tendons when the T roof beam of being convenient for is pour. Because the design positions of the corrugated pipes on the T-shaped beam are generally parabolic, the number and the positions of the corrugated pipes penetrating through each row of horseshoe ribs are different, and corresponding corrugated pipe positioning reinforcing steel bars need to be welded.
The conventional corrugated pipe positioning steel bar welding is that a ruler is used for measuring when T-shaped beam steel bars are bound, positioning steel bars are welded at the designed position of a corrugated pipe after the designed position of the corrugated pipe is measured on each horse shoe bar, and because each positioning steel bar needs to measure the ruler, the repeated workload is large, and the construction efficiency is low; and the error is easy to be generated by using the ruler quantity, and the welding position precision of the positioning reinforcing steel bar is influenced.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the repeated workload of measuring the welding position of the positioning steel bar is large, errors are easy to generate, and the precision of the welding position of the positioning steel bar is influenced, and provides a welding support for the positioning steel bar of a prefabricated T-beam corrugated pipe.
In order to achieve the purpose, the invention adopts the following technical scheme:
a prefabricated T-beam corrugated pipe positioning steel bar welding support comprises a guide slide rail horizontally laid on the ground, wherein an installation frame is arranged on the guide slide rail in a sliding mode, a rotating rod vertically penetrating through the installation frame is arranged on the installation frame in a rotating mode, the rotating rod is in transmission connection with the guide slide rail, an installation disc is fixedly sleeved on the outer peripheral surface of the rotating rod, a variable-pitch spring is fixedly arranged on the installation disc, and the pitch of the variable-pitch spring is gradually increased from bottom to top;
the mounting frame is also vertically provided with a guide rod, the guide rod is slidably sleeved with a mounting block, and the mounting block is provided with a positioning mechanism for positioning and supporting the positioning steel bar;
the outer wall of the variable-pitch spring is provided with a guide groove arranged along the outer contour, one end of the mounting block, which is close to the variable-pitch spring, is fixedly provided with a guide post, the guide post extends into the guide groove, and the guide post is abutted against the inner wall of the guide groove.
Preferably, the guide slide rail comprises two symmetrically arranged U-shaped plates, and the open ends of the two U-shaped plates are hinged with each other, so that a notch is formed in the middle of the guide slide rail.
Preferably, the two straight edges of the U-shaped plate are provided with sliding grooves, the bottom end of the mounting rack is fixedly provided with a sliding block, and the sliding block is connected with the sliding grooves in a sliding mode.
Preferably, the positioning mechanism comprises two sliding rods symmetrically arranged on two sides of the mounting block in a sliding manner, the two sliding rods are fixedly connected through a connecting rod, sliding columns are arranged on the sliding rods in a sliding manner, tension springs are arranged between the sliding columns and the sliding rods, and clamping blocks used for fixing and positioning reinforcing steel bars are fixedly arranged at opposite ends of the sliding columns on the different sliding rods.
Preferably, one opposite side of the clamping block is provided with a clamping opening, and the section of the clamping opening is an equilateral triangle.
Preferably, both ends of the clamping block are provided with oblique angles of the oblique clamping surfaces.
Preferably, the dwang bottom extends into the notch, just the dwang bottom mounting is provided with the gear, the fixed two ratchets that are provided with of notch inner wall, two the ratchets opposition sets up in the difference on the U template, be connected with two ratchets meshing in proper order during the gear removal.
Preferably, still locate the adjustment disk on the dwang including the slip cap, adjustment disk and displacement spring top fixed connection, threaded connection has the regulation cap on the dwang, regulation cap bottom surface and adjustment disk top surface counterbalance.
Preferably, the peripheral surface of the rotating rod is provided with a key groove which is axially arranged, and the inner hole wall of the adjusting disk is fixedly provided with a limit key which is in sliding connection with the key groove.
Preferably, the slider is provided with two rollers in a rotating manner, and the two rollers are symmetrically distributed on two sides of the mounting frame.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the guide slide rail, the mounting rack, the variable-pitch spring and the rotating rod are arranged, the rotating rod is driven to rotate by moving the mounting rack, the variable-pitch spring is driven to rotate, the mounting block is driven to move in the vertical direction by the guide groove formed in the outer contour of the variable-pitch spring, and the movement track of the mounting block is parabolic, so that the position of the positioning steel bar can be determined in the movement process of the mounting block by the positioning mechanism on the mounting block, the positioning efficiency of the positioning steel bar is improved, the workload of workers is reduced, and the welding position precision of the positioning steel bar is improved.
2. According to the invention, by arranging the adjusting disc and the adjusting cap, the distance between the adjusting disc and the mounting disc can be controlled by rotating the adjusting cap, the length of the variable pitch spring is convenient to control, the longitudinal height of a parabolic track formed by the mounting block in the motion process is favorably controlled, corrugated pipes with different design requirements are favorably positioned, and the applicability is high.
Drawings
Fig. 1 is a schematic view of an overall structure of a prefabricated T-beam corrugated pipe positioning steel bar welding bracket according to the present invention;
fig. 2 is a schematic structural view of a guide slide rail in a prefabricated T-beam corrugated pipe positioning steel bar welding bracket provided by the invention;
FIG. 3 is a schematic structural view of a rotating rod and a pitch-variable spring in the prefabricated T-beam corrugated pipe positioning steel bar welding bracket according to the present invention;
FIG. 4 is a schematic structural diagram of a positional relationship between a mounting block and a pitch spring in a prefabricated T-beam corrugated pipe positioning steel bar welding bracket according to the present invention;
FIG. 5 is a schematic structural diagram of a movement track of a prefabricated T-beam corrugated pipe positioning steel bar welding bracket mounting block provided by the invention;
fig. 6 is a schematic structural diagram of a positioning mechanism in a prefabricated T-beam corrugated pipe positioning steel bar welding bracket provided by the invention.
In the figure: 1. a guide slide rail; 11. a U-shaped plate; 12. a chute; 13. a rack bar; 2. a mounting frame; 21. a guide bar; 22. a slider; 23. a roller; 3. rotating the rod; 31. mounting a disc; 32. a variable pitch spring; 321. a guide groove; 33. a gear; 34. an adjusting disk; 35. an adjusting cap; 4. mounting blocks; 41. a guide post; 42. a slide bar; 43. a clamping block; 44. and (4) clamping the opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, a prefabricated T roof beam bellows positioning steel bar welding support, including the level lay in the direction slide rail 1 on ground, the setting is put with the framework of steel reinforcement to the direction slide rail 1 is parallel, and the slip is provided with mounting bracket 2 on the direction slide rail 1, and the length direction motion of direction slide rail 1 can be followed to mounting bracket 2.
Referring to fig. 2, direction slide rail 1 includes the U template 11 that two symmetries set up, and the open end of two U templates 11 is articulated each other, makes 1 middle part of direction slide rail form the notch, and two U templates 11 can be folded, can fold when idle and accomodate direction slide rail 1, and the space that reduces direction slide rail 1 occupies, improves the practicality.
Rotate on mounting bracket 2 and be provided with dwang 3 that runs through mounting bracket 2 perpendicularly, when mounting bracket 2 removed along 1 length direction of direction slide rail, drive dwang 3 and remove, in the 3 bottom extensions of dwang go into the notch, dwang 3 was connected with 1 transmission of direction slide rail, rotates around self axis under the effect of direction slide rail 1 when dwang 3 removed.
Referring to fig. 1-3, a gear 33 is fixedly arranged at the bottom end of the rotating rod 3, two toothed bars 13 are fixedly arranged on the inner wall of the notch, the two toothed bars 13 are oppositely arranged on different U-shaped plates 11, the gear 33 is sequentially engaged with the two toothed bars 13 when moving, when the rotating rod 3 moves along with the mounting frame 2, the gear 33 rotates under the action of the toothed bars 13 to drive the rotating rod 3 to rotate, when the rotating rod 3 moves to the middle position of the belt guide slide rail 1, the gear 33 is disengaged from one of the toothed bars 13 and engaged with the toothed bar 13 arranged at the other opposite position, and when the rotating rod 3 continues to move, the rotating rod 3 reversely rotates.
A mounting disc 31 is fixedly sleeved on the outer peripheral surface of the rotating rod 3, a variable pitch spring 32 is fixedly arranged on the mounting disc 31, and the rotating rod 3 rotates to drive the mounting disc 31 to rotate and drive the variable pitch spring 32 to rotate;
referring to fig. 3-4, the mounting frame 2 is further vertically provided with a guide rod 21, the guide rod 21 is slidably sleeved with a mounting block 4, the outer wall of the variable pitch spring 32 is provided with a guide groove 321 arranged along the outer contour, one end of the mounting block 4 close to the variable pitch spring 32 is fixedly provided with a guide post 41, the guide post 41 extends into the guide groove 321, the guide post 41 abuts against the inner wall of the guide groove 321, the variable pitch spring 32 rotates to enable the guide groove 321 to press the guide post 41, and the guide post 41 moves along the guide groove 321 to drive the mounting block 4 to move;
referring to fig. 4-5, since the mounting block 4 is sleeved on the guide rod 21, the mounting block 4 moves axially along the guide rod 21 under the limiting action of the guide rod 21, the pitch of the pitch-variable spring 32 is gradually increased from bottom to top, and since the pitch of the pitch-variable spring 32 is changed, the distance of the axial movement of the mounting block 4 along the guide rod 21 is consistent with the pitch of the pitch-variable spring 32, so that the actual movement state of the mounting block 4 is that the mounting block moves along the length direction of the guide rail 1, and simultaneously moves axially along the guide rod 21, and the speed of the axial movement along the guide rod 21 is changed, so that the mounting block 4 presents a parabolic movement track.
Pitch-varying spring 32 uses the high carbon steel material to make, has certain intensity, is difficult for receiving guide post 41 to support to press the deformation to the cross-section of guide bar 21 is the polygon setting, is favorable to improving the stability when installing piece 4 removes, reduces the risk that appears the circumference when installing piece 4 slides along guide bar 21 axis and deflects.
And the mounting block 4 is provided with a positioning mechanism for positioning and supporting the positioning steel bars.
Referring to fig. 6, the positioning mechanism includes two sliding rods 42 symmetrically slidably disposed at two sides of the mounting block 4, the sliding rods 42 can slide toward the steel reinforcement framework, the sliding rods 42 are slid at a desired position to make the sliding rods 42 extend into the steel reinforcement framework for positioning welding of the positioning steel bars, the two sliding rods 42 are fixedly connected by a connecting rod, which is beneficial for improving the stability of the sliding rods 42, sliding posts are slidably disposed on the sliding rods 42, tension springs are disposed between the sliding posts and the sliding rods 42, clamping blocks 43 for fixing the positioning steel bars are fixedly disposed at opposite ends of the sliding posts on different sliding rods 42, the two clamping blocks 43 abut against each other under the tensile force of the tension springs, when the positioning steel bars are required to be mounted, gaps enough horseshoe bars are left after the clamping blocks 43 are separated, the sliding rods 42 extend into the steel reinforcement framework, the clamping blocks 43 are loosened after passing the horseshoe bars, so that the clamping blocks 43 abut against each other again, and fixing the positioning steel bars.
Referring to fig. 6, clamping opening 44 has been seted up to the opposite side of grip block 43, and clamping opening 44 cross-section is equilateral triangle, because the spacer bar generally is cylindricly, when two grip blocks 43 were close to each other, was favorable to more fixing the spacer bar through pressing from both sides opening 44, was convenient for the welding of spacer bar and horseshoe muscle.
Referring to fig. 6, the two ends of the clamping block 43 are provided with oblique angles of the oblique clamping surfaces, and the sliding rod 42 can be directly pushed and pulled through the oblique angles, so that the oblique angles are abutted against the horseshoe rib, the two clamping blocks 43 are driven to be separated, the clamping blocks 43 do not need to be pulled outwards manually, and the use is convenient.
Referring to fig. 3-4, the corrugated pipe fixing device further comprises an adjusting disc 34 slidably sleeved on the rotating rod 3, the adjusting disc 34 is fixedly connected with the top of the variable pitch spring 32, an adjusting cap 35 is connected to the rotating rod 3 in a threaded manner, the bottom surface of the adjusting cap 35 abuts against the top surface of the adjusting disc 34, the adjusting cap 35 is axially moved along the rotating rod 3 and abuts against the adjusting disc 34 by rotating the adjusting cap 35, the length of the variable pitch spring 32 is changed by controlling the position of the adjusting disc 34, the height of a parabolic track of the mounting block 4 is adjusted, and welding of corrugated pipe positioning steel bars with different design radians is facilitated.
Referring to fig. 3, the keyway that the axial set up is seted up to 3 outer peripheral faces of dwang, fixed being provided with on the pore wall in the adjustment disk 34 with keyway sliding connection's spacing key, through keyway and spacing key cooperation, it is spacing to carry out circumference to adjustment disk 34, reduce adjustment disk 34 and take place the circumferential direction risk, be favorable to improving displacement spring 32's stability, avoid displacement spring 32 as far as possible along with adjustment disk 34 takes place to deflect the distortion, influence the positioning accuracy of positioning bar.
Referring to fig. 2, the two straight edges of the U-shaped plate 11 are provided with the sliding grooves 12, the sliding grooves 12 are T-shaped grooves, the bottom end of the mounting frame 2 is fixedly provided with the sliding blocks 22, the sliding blocks 22 are connected with the sliding grooves 12 in a sliding manner, the sliding grooves 12 are matched with the sliding blocks 22, the mounting frame 2 can stably move on the guide sliding rails 1, and the risk that the mounting frame 2 is separated from the guide sliding rails 1 is reduced.
Referring to fig. 4, the slider 22 is provided with two rollers 23 in a rotating manner, the two rollers 23 are symmetrically distributed on two sides of the mounting frame 2, and the rollers 23 are arranged, so that the sliding friction force of the slider 22 is reduced, and the flexibility of the slider 22 during sliding is improved.
The specific working principle of the invention is as follows:
when the device is used, the guide slide rail 1 is arranged on one side of the steel reinforcement framework in parallel, the clamping block 43 is close to the steel reinforcement framework, the mounting rack 2 slides from one end of the guide slide rail 1 to the other end, when the rotating rod 3 moves along with the mounting rack 2, the gear 33 rotates under the action of the toothed bar 13 to drive the rotating rod 3 to rotate, the rotating rod 3 rotates to drive the mounting disc 31 to rotate, meanwhile, the pitch-variable spring 32 is driven to rotate, the pitch-variable spring 32 rotates to enable the guide groove 321 to press against the guide post 41, the guide post 41 moves along the guide groove 321, the mounting block 4 moves axially along the guide rod 21 under the limiting action of the guide rod 21, when the rotating rod 3 moves to the middle position of the guide sliding rail 1, the gear 33 is separated from one of the toothed bars 13 and is meshed with the toothed bar 13 arranged at the other opposite position, the rotating rod 3 rotates reversely along with the continuous movement of the rotating rod 3, and at the moment, the moving path of the mounting block 4 is completely symmetrical to the front half section;
in the moving process of the installation block 4, a plurality of installation points are extracted at equal intervals, the sliding slide rod 42 extends into the steel reinforcement framework, the clamping block 43 is loosened after the clamping block 43 passes through the horseshoe tendon, the clamping block 43 is abutted again, the positioning steel bar is fixed, and the positioning steel bar and the steel reinforcement framework are welded together;
the accessible rotates adjusts cap 35, makes adjust cap 35 along 3 axial displacement of dwang to support and press adjusting disk 34, through the length of the 34 position change displacement springs of control adjusting disk 32, highly adjust the parabola trace of installation piece 4, be favorable to the welding to the bellows positioning steel bar of different design radians.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (10)

1. The prefabricated T-beam corrugated pipe positioning steel bar welding support comprises a guide sliding rail (1) horizontally laid on the ground, and is characterized in that an installation frame (2) is arranged on the guide sliding rail (1) in a sliding mode, a rotating rod (3) vertically penetrating through the installation frame (2) is arranged on the installation frame (2) in a rotating mode, the rotating rod (3) is in transmission connection with the guide sliding rail (1), an installation disc (31) is fixedly sleeved on the outer peripheral surface of the rotating rod (3), a variable-pitch spring (32) is fixedly arranged on the installation disc (31), and the pitch of the variable-pitch spring (32) is gradually increased from bottom to top;
the mounting rack (2) is also vertically provided with a guide rod (21), the guide rod (21) is slidably sleeved with a mounting block (4), and the mounting block (4) is provided with a positioning mechanism for positioning and supporting a positioning steel bar;
the outer wall of the variable-pitch spring (32) is provided with a guide groove (321) arranged along the outer contour, one end, close to the variable-pitch spring (32), of the mounting block (4) is fixedly provided with a guide post (41), the guide post (41) extends into the guide groove (321), and the guide post (41) is abutted to the inner wall of the guide groove (321).
2. A prefabricated T-beam corrugated pipe positioning steel bar welding support according to claim 1, characterized in that the guide sliding rail (1) comprises two symmetrically arranged U-shaped plates (11), and the open ends of the two U-shaped plates (11) are hinged with each other, so that a notch is formed in the middle of the guide sliding rail (1).
3. The welding support for the positioning steel bar of the prefabricated T-beam corrugated pipe is characterized in that sliding grooves (12) are formed in two straight edges of the U-shaped plate (11), a sliding block (22) is fixedly arranged at the bottom end of the mounting frame (2), and the sliding block (22) is in sliding connection with the sliding grooves (12).
4. The welding support for the positioning steel bar of the prefabricated T-beam corrugated pipe as claimed in claim 1, wherein the positioning mechanism comprises two sliding rods (42) symmetrically and slidably arranged on two sides of the installation block (4), the two sliding rods (42) are fixedly connected through a connecting rod, sliding columns are slidably arranged on the sliding rods (42), tension springs are arranged between the sliding columns and the sliding rods (42), and clamping blocks (43) for fixing the positioning steel bar are fixedly arranged at opposite ends of the different sliding columns (42).
5. The welding support for the positioning steel bar of the prefabricated T-beam corrugated pipe as claimed in claim 4, wherein a clamping opening (44) is formed in one opposite side of each clamping block (43), and the section of each clamping opening (44) is in an equilateral triangle shape.
6. A welding stand for precast T-beam corrugated pipe spacer bars as defined in claim 4, characterized in that both ends of the clamping block (43) are provided with oblique angles inclined to the clamping surface.
7. The welding support for the positioning steel bar of the prefabricated T-beam corrugated pipe is characterized in that the bottom end of the rotating rod (3) extends into the notch, a gear (33) is fixedly arranged at the bottom end of the rotating rod (3), two toothed bars (13) are fixedly arranged on the inner wall of the notch, the two toothed bars (13) are oppositely arranged on different U-shaped plates (11), and the gear (33) is sequentially meshed with the two toothed bars (13) when moving.
8. The welding support for the positioning steel bar of the prefabricated T-beam corrugated pipe is characterized by further comprising an adjusting disc (34) which is sleeved on the rotating rod (3) in a sliding mode, the adjusting disc (34) is fixedly connected with the top of the variable pitch spring (32), an adjusting cap (35) is connected onto the rotating rod (3) in a threaded mode, and the bottom surface of the adjusting cap (35) abuts against the top surface of the adjusting disc (34).
9. The welding support for the positioning steel bar of the prefabricated T-beam corrugated pipe as claimed in claim 8, wherein an axially-arranged key groove is formed in the outer peripheral surface of the rotating rod (3), and a limit key slidably connected with the key groove is fixedly arranged on the inner hole wall of the adjusting disc (34).
10. A prefabricated T-beam corrugated pipe positioning steel bar welding support according to claim 3, characterized in that two rollers (23) are rotatably arranged on the sliding block (22), and the two rollers (23) are symmetrically distributed on two sides of the mounting frame (2).
CN202210952864.8A 2022-08-10 2022-08-10 Prefabricated T roof beam bellows spacer bar welding stent Active CN115008112B (en)

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CN202210952864.8A CN115008112B (en) 2022-08-10 2022-08-10 Prefabricated T roof beam bellows spacer bar welding stent

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CN202210952864.8A CN115008112B (en) 2022-08-10 2022-08-10 Prefabricated T roof beam bellows spacer bar welding stent

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CN115008112B CN115008112B (en) 2022-12-16

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Cited By (1)

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CA2696455A1 (en) * 2010-03-12 2011-09-12 Mohamed R. Ally Concrete insert
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CN210281165U (en) * 2019-04-20 2020-04-10 赵以娟 Ornament welding fixing device
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CN113071923A (en) * 2021-03-08 2021-07-06 彩虹(合肥)液晶玻璃有限公司 Glass conveying edge protection device
CN113231777A (en) * 2021-05-10 2021-08-10 任宗学 Welding forming processing system for steel structure installation pre-embedded fasteners
CN113172368A (en) * 2021-05-18 2021-07-27 温刚滔 Fabricated steel structure embedded base manufacturing and welding processing system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116787038A (en) * 2023-08-29 2023-09-22 山东德坊新材料科技有限公司 Welding device for machining automobile beam
CN116787038B (en) * 2023-08-29 2023-10-24 山东德坊新材料科技有限公司 Welding device for machining automobile beam

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