CN115592345B - A self-leveling steel pipe welding auxiliary bracket - Google Patents
A self-leveling steel pipe welding auxiliary bracket Download PDFInfo
- Publication number
- CN115592345B CN115592345B CN202211303423.1A CN202211303423A CN115592345B CN 115592345 B CN115592345 B CN 115592345B CN 202211303423 A CN202211303423 A CN 202211303423A CN 115592345 B CN115592345 B CN 115592345B
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- steel pipe
- support frame
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- door
- steel plate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 96
- 239000010959 steel Substances 0.000 title claims abstract description 96
- 238000003466 welding Methods 0.000 title claims abstract description 42
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 16
- 238000009434 installation Methods 0.000 abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
本发明公开了一种自调平式钢管焊接辅助支架，包括前、后各一组并列的支撑架，各组支撑架上设置有电动螺杆提升装置、锁紧固定装置；预焊接钢管两端分别由前、后支撑架悬挂固定与另一预焊接钢管组对；支撑架为门型结构的钢架，电动螺杆提升装置由电磁制动刹车电机、涡轮丝杆升降机、底盘等构成，有倾角传感器安装在抱箍上方的钢板基座上，可测出钢管竖向角度偏差，并将与倾角对应的电压传递给电磁制动刹车电机控制器，控制器通过算法计算出螺杆升降高度后控制电磁制动刹车电机旋转，驱动涡轮丝杆升降机上下调节钢管高度。本发明支架安装使用方便，能够实现钢管水平、高度和轴线方向调节，且可折叠携带，能有效解决钢管节段现场安装对焊施工的要求。
The present invention discloses a self-leveling steel pipe welding auxiliary bracket, including a front and a rear group of parallel support frames, each group of support frames is provided with an electric screw lifting device and a locking and fixing device; the two ends of the pre-welded steel pipe are respectively suspended and fixed by the front and rear support frames to match with another pre-welded steel pipe group; the support frame is a steel frame of a door-type structure, and the electric screw lifting device is composed of an electromagnetic brake motor, a turbine screw lifter, a chassis, etc., and an inclination sensor is installed on the steel plate base above the hoop, which can measure the vertical angle deviation of the steel pipe and transmit the voltage corresponding to the inclination to the electromagnetic brake motor controller. The controller controls the electromagnetic brake motor to rotate after calculating the screw lifting height through an algorithm, and drives the turbine screw lifter to adjust the height of the steel pipe up and down. The bracket of the present invention is easy to install and use, can realize the adjustment of the level, height and axial direction of the steel pipe, and can be folded and carried, which can effectively meet the requirements of on-site installation and welding construction of steel pipe segments.
Description
Technical Field
The invention belongs to the technical field of drainage engineering metal structure installation construction, relates to drainage and drainage pipeline installation of water conservancy, municipal administration and building engineering, and particularly relates to a self-leveling type steel pipe welding auxiliary support suitable for drainage and drainage pressure steel pipe on-site welding lengthening construction.
Background
As the water delivery and diversion pipeline installation construction belongs to linear engineering, the pressure steel pipe is produced in a factory, the pressure steel pipe is installed in place after being transported to a construction site in sections, and in the installation process, the pipeline welding construction quality directly influences the integral construction quality of the pipeline installation engineering.
The traditional pipeline welding construction is to directly place two sections of short steel pipes that need to be welded and connected on the pipeline installation foundation ditch for welding operation, is limited by installation foundation ditch roughness and on-site welding conditions, and pressure steel pipes often appear the phenomenon such as interface irregularity, pipeline instability, joint pollution, has increased the pipeline welding degree of difficulty, and weld joint quality is relatively poor, and water delivery pressure pipeline monomer quality is heavier, only needs hoisting equipment such as manual work cooperation car crane to adjust pressure pipeline levelness and joint clearance during the butt joint adjustment for look for suitable welding angle and interval, efficiency of construction is lower. Therefore, the self-leveling type steel pipe welding auxiliary support suitable for butt welding construction of the pressure steel pipes on the construction site is found, and the self-leveling type steel pipe welding auxiliary support has important significance in accelerating steel pipe installation efficiency, improving welding joint quality, reducing manual labor intensity and the like.
Disclosure of Invention
The invention aims to solve the problems and provides the self-leveling type steel pipe welding auxiliary support which can effectively solve the problem of on-site installation and butt welding construction of the equal-pressure steel pipe sections of the water delivery pipeline of the water lifting pump station.
The invention is realized by the following technical scheme:
a self-leveling type steel pipe welding auxiliary support is characterized by comprising a front support frame and a rear support frame which are respectively arranged in parallel, wherein each support frame is provided with an electric screw lifting device and a locking and fixing device;
the support frame is a steel frame with a door-shaped structure;
The electric screw lifting device consists of a servo motor fixed in the middle of a cross beam of a door-shaped structure of the support frame and a turbine screw rod lifter driven by the servo motor, wherein the bottom of a lifting screw rod of the turbine screw rod lifter is a ball head, and the ball head is embedded into a groove on the top surface of a chassis of the locking and fixing device and is in rotary connection with the chassis;
The locking and fixing device comprises a chassis, a steel plate base and anchor clamps, wherein the top surface of the steel plate base is provided with a sliding groove, the bottom of the chassis is provided with a sliding rail, and the sliding rail of the chassis is embedded into the sliding groove on the top surface of the steel plate base and is in sliding connection with the steel plate base for sliding adjustment of the steel pipe in the horizontal direction;
The front end of the steel plate base positioned on the previous group of supporting frames is provided with an inclination sensor, and a controller is connected with the inclination sensor and a servo motor in a control way.
The support frame comprises a horizontal rod, an adjustable vertical rod and an inclined strut, wherein the horizontal rod is hinged with the adjustable vertical rod, a stable support door-shaped structure is formed through the inclined strut, two groups of door-shaped beams are arranged in parallel and fixedly connected through connecting rods to form the support frame, the lower end of the vertical rod of the door-shaped structure is adjustable in height through an expansion joint, and a detachable supporting steel plate is arranged at the bottom end of the vertical rod of the door-shaped structure.
And one side of the hoop is a stainless steel band arc hoop, a hasp is arranged at the lower end of the other side of the hoop, and the stainless steel band arc hoop penetrates through the bottom of the steel tube to be inserted into the hasp to be retracted and fastened to fix and hang the steel tube.
The inclination angle sensor is a single-axis inclination angle sensor with analog voltage output, the small-range precision is 0.005 degrees, and the inclination angle sensor is used for measuring the included angle between the axis of the steel pipe locked and fixed by the anchor ear and the horizontal line.
The servo motor adopts an electromagnetic braking motor.
Compared with the prior art, the invention has the following beneficial effects:
1. The device of the invention adopts the adjustable upright post and the horizontal rod hinged with the adjustable upright post to form the door-shaped support frame together, can realize the disassembly and folding of the support frame and the height adjustment, and has stronger portability and applicability.
2. The device adopts the inclination sensor to detect the levelness of the welding object, converts the inclination information into a voltage signal and transmits the voltage signal to the motor controller, and controls the electromagnetic brake motor to rotate so as to drive the turbine screw rod lifter, thereby realizing the automatic levelness adjustment of the welding object.
3. The device is arranged at two ends of the welded steel pipe in parallel through at least two sets of the portal frames, and the whole hoisting of the steel pipe and the free adjustment of the heights of the two ends are realized through the ball heads below the lifting screw rods, so that the levelness of the steel pipe is ensured.
4. According to the device, the chassis is in sliding connection with the steel plate base, so that the steel pipes can be parallel moved in the axial direction within a certain range after being lifted, the butt welding seam spacing between the steel pipes can be quickly adjusted, and welding construction is facilitated.
5. The invention has simple structure, convenient installation and use, can be completed by only a few simple steps without a great deal of labor force, can realize the adjustment of levelness, height and displacement along the axial direction of the welded steel pipe in a certain range, has high installation and adjustment efficiency, is favorable for steel pipe welding construction, has obvious effect, can be folded and carried, has strong portability, and has higher economy and practicability.
Drawings
FIG. 1 is a schematic diagram of a self-leveling steel pipe welding auxiliary bracket;
FIG. 2 is a front view of a self-leveling steel pipe welding auxiliary bracket;
FIG. 3 is a right side view of the self-leveling steel pipe welding auxiliary bracket;
Fig. 4 is a top view of a self-leveling steel pipe welding auxiliary bracket.
The device comprises a 1-supporting frame, 11-horizontal rods, 12-adjustable vertical rods, 13-supporting steel plates, 14 diagonal braces, 15-connecting rods, 2-servo motors, 3-turbine screw rod lifters, 31-lifting screws, 32-ball heads, 33-turbines, 4-chassis, 5-steel plate bases, 6-anchor clamps, 61-stainless steel belts, 62-buckles, 7-inclination angle sensors and M is a steel pipe.
Detailed Description
The present invention will be further described with reference to the following specific embodiments, which are intended to be illustrative of the principles of the present invention and not in any way limiting, nor will the same or similar techniques be used in connection with the present invention beyond the scope of the present invention.
In combination with the accompanying drawings.
As shown in the figure, the self-leveling type steel pipe welding auxiliary support comprises a support frame 1, a servo motor 2, a turbine screw rod lifter 3, a chassis 4, a steel plate base 5, a hoop 6 and an inclination sensor 7.
The support frame 1 is provided with a horizontal rod 11, an adjustable vertical rod 12, a supporting steel plate 13, an inclined strut 14 and a connecting rod 15, wherein the horizontal rod 11 is rotationally connected with one end of the adjustable vertical rod 12, the bottom end of the adjustable vertical rod 12 is detachably connected with the supporting steel plate 13, one end of the inclined strut 14 is arranged on the upper part of the adjustable vertical rod 12, and the other end of the inclined strut 14 is connected with the horizontal rod 11 to form a stable supporting triangle.
The horizontal rods 11, the adjustable vertical rods 12, the inclined struts 14 and the connecting rods 15 are symmetrically and parallelly arranged, the cross sections of each horizontal rod 11, each adjustable vertical rod 12, each inclined strut 14 and each connecting rod 15 are rectangular, an installation platform is arranged between the two horizontal rods 11, and a detachable supporting steel plate 13 is arranged at the bottom of each adjustable vertical rod.
The servo motor 2 is arranged on the mounting platform, the rotating shaft of the servo motor is fixedly connected with the turbine 32 and is connected with the inclination sensor 7 through a signal wire, and the angle information measured by the inclination sensor 7 and the output signal control motor to rotate so as to drive the adjusting screw to lift up and down. The servo motor 2 adopts an electromagnetic brake motor.
The turbine screw rod lifter 3 comprises a lifting screw rod 31, a ball head 32 and a turbine 33, the turbine screw rod lifter 3 is installed on the installation platform, and the lifting screw rod 31 passes through the installation platform through the center of the turbine and then is fixedly connected with the lower ball head 32.
The top of the chassis 4 is provided with a spherical groove which is connected with the ball head 32 in a nested way, the bottom of the chassis 4 is provided with an I-shaped sliding rail which is combined with a sliding groove on the top surface of the steel plate base 5 in a nested way, one end of the sliding groove on the top surface of the steel plate base 5 is closed, and the other end of the sliding groove is provided with a detachable limit screw.
The steel plate base 5 is provided with hoops 6 on both sides, the hoops 6 are rotatably connected with both sides of the steel plate base, the lower end of the left hoop 6 is provided with a stainless steel belt 61, and the lower end of the right hoop 6 is provided with a hasp 62.
As shown in the figure, the support frame 1 can be made of forged steel or profile steel, the surface of the support frame 1 is subjected to corrosion protection treatment, the strength and the hardness are higher, the whole height of the support frame 1 is 60-100 cm, the length of a lifting screw 31 is 100cm, an electromagnetic braking motor is provided with a servo motor 2, the electromagnetic braking motor has high precision control capability, a disc brake is arranged at the non-shaft extending end of the motor, the brake tightly presses a brake disc when the power is suddenly cut off, the motor immediately stops running, a welded steel pipe M can be effectively prevented from suddenly falling down to hurt people, the hoop 6 is rotationally connected with the steel plate base 5, locking and fixing of steel pipes M with different diameters in a certain range can be realized, and the adaptability of the support frame is effectively improved.
The invention discloses a construction method of a self-leveling type steel pipe welding auxiliary bracket, which comprises the following steps:
1) After the bracket is transported to the site, opening and installing all parts, checking the inclination sensor 7;
2) After the steel pipe M is transported to a construction site, a set of brackets are respectively arranged at two ends of the two sections of the steel pipe M to be butted, when the two sections of the steel pipe M are arranged, a set of support frames 1 with inclination sensors 7 are arranged at one ends, which are close to the steel pipe M and need to be welded, and a set of support frames 1 without the inclination sensors 7 are arranged at the other ends, which are far away from a welding joint;
3) When the welding is prepared, an electromagnetic braking motor is started, the height of the anchor ear 6 is adjusted to the top of the steel pipe M, and a stainless steel belt 61 at the lower end of the anchor ear 6 penetrates through the bottom of the steel pipe M and then is inserted into a hasp 62 to be locked and fixed;
4) After all the hoops 6 are locked and fixed, an electromagnetic braking motor is started, the lifting steel pipe M is 20-30 cm away from the ground, and then the inclination angle sensor 7 is started to control one end of the steel pipe M to automatically lift and adjust levelness.
5) After the levelness is adjusted, the two steel pipes M are aligned, if the heights are different due to the influence of the foundation surface, the electromagnetic braking motor on the support frame 1 at the two ends of one steel pipe M is started to carry out lifting adjustment until the heights of the interfaces of the two steel pipes M are consistent.
6) And the steel plate base 5 is slid along the axis direction of the steel pipe M to adjust the gap between the butt joint interfaces of the two steel pipes to the width required by welding, and welding is started.
7) After the welding is completed and the stress of the welding seam is released, starting a motor, lowering the steel pipe M on a mounting base groove or other supporting bodies, dismantling the supporting frame 1, and welding the next section of steel pipe M.
Claims (5)
1. A self-leveling type steel pipe welding auxiliary support is characterized by comprising a front support frame and a rear support frame which are respectively arranged in parallel, wherein each support frame is provided with an electric screw lifting device and a locking and fixing device;
the support frame is a steel frame with a door-shaped structure;
The electric screw lifting device consists of a servo motor fixed in the middle of a cross beam of a door-shaped structure of the support frame and a turbine screw rod lifter driven by the servo motor, wherein the bottom of a lifting screw rod of the turbine screw rod lifter is a ball head, and the ball head is embedded into a groove on the top surface of a chassis of the locking and fixing device and is in rotary connection with the chassis;
The locking and fixing device comprises a chassis, a steel plate base and anchor clamps, wherein the top surface of the steel plate base is provided with a sliding groove, the bottom of the chassis is provided with a sliding rail, and the sliding rail of the chassis is embedded into the sliding groove on the top surface of the steel plate base and is in sliding connection with the steel plate base for sliding adjustment of the steel pipe in the horizontal direction;
The front end of the steel plate base positioned on the previous group of supporting frames is provided with an inclination sensor, and a controller is connected with the inclination sensor and a servo motor in a control way.
2. The self-leveling type steel pipe welding auxiliary support frame is characterized in that the support frame is of a door-shaped structure formed by a horizontal rod, an adjustable vertical rod and an inclined strut, the horizontal rod is hinged with the adjustable vertical rod and forms a stable support door-shaped structure through the inclined strut, two groups of door-shaped beams are arranged in parallel and fixedly connected through connecting rods to form the support frame, the lower end of the vertical rod of the door-shaped structure is adjustable in height through an expansion joint, and a detachable supporting steel plate is arranged at the bottom end of the vertical rod of the door-shaped structure.
3. The self-leveling type steel pipe welding auxiliary support according to claim 2, wherein one side of the anchor ear is a stainless steel band arc anchor ear, a buckle is arranged at the lower end of the other side of the anchor ear, and the stainless steel band arc anchor ear penetrates through the bottom of the steel pipe to be inserted into the buckle to be retracted, fastened and suspended.
4. The self-leveling type steel pipe welding auxiliary support according to claim 2, wherein the inclination sensor is a single-axis inclination sensor with analog voltage output, and the small-range precision is 0.005 degrees and is used for measuring an included angle between a steel pipe axis locked and fixed by the anchor ear and a horizontal line.
5. The self-leveling type steel pipe welding auxiliary support according to claim 2, wherein the servo motor is an electromagnetic brake motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211303423.1A CN115592345B (en) | 2022-10-24 | 2022-10-24 | A self-leveling steel pipe welding auxiliary bracket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211303423.1A CN115592345B (en) | 2022-10-24 | 2022-10-24 | A self-leveling steel pipe welding auxiliary bracket |
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| Publication Number | Publication Date |
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| CN115592345A CN115592345A (en) | 2023-01-13 |
| CN115592345B true CN115592345B (en) | 2025-01-10 |
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| CN202211303423.1A Active CN115592345B (en) | 2022-10-24 | 2022-10-24 | A self-leveling steel pipe welding auxiliary bracket |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116352365A (en) * | 2023-06-01 | 2023-06-30 | 中信建设有限责任公司 | Heat supply pipeline butt joint device |
| CN118188283B (en) * | 2024-04-09 | 2024-08-20 | 中国长江三峡集团有限公司 | Base type tidal current energy power generation device |
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| CN115592345A (en) | 2023-01-13 |
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