CN-121042697-B - Intelligent laser beam welding equipment for high-speed tunnel steel arch

CN121042697BCN 121042697 BCN121042697 BCN 121042697BCN-121042697-B

Abstract

The invention discloses intelligent laser beam welding equipment for a high-speed tunnel steel arch, which comprises a conveying table, a detection device, an adjusting device and a welding device, wherein a hanging bracket is arranged above the conveying table, a transverse guide rail I is arranged on the hanging bracket, a lifting cylinder is arranged on the transverse guide rail I, the lower end of the lifting cylinder is connected with a hanging plate, a plurality of clamping assemblies are arranged on the hanging plate, the detection device is arranged below the hanging bracket and used for detecting the inclined state of an arc-shaped steel end face, the adjusting device is arranged on the adjacent side of the detection device, and an adjusting frame is arranged on the adjusting frame and is respectively provided with a feeding device used for feeding a connecting plate, a positioning device used for positioning the center of the arc-shaped steel end face and the welding device.

Inventors

HUANG HAIBO
YU XINGBAO
WU LANG
ZHANG WEI

Assignees

中交二公局第三工程有限公司

Dates

Publication Date: 20260512
Application Date: 20250910

Claims (7)

1. Intelligent laser beam welding equipment for high-speed tunnel steel arch, which is characterized by comprising The conveying table is provided with a hanging bracket above, a first transverse guide rail is arranged on the hanging bracket, a lifting cylinder is arranged on the first transverse guide rail, the lower end of the lifting cylinder is connected with a hanging plate, and a plurality of clamping assemblies are arranged on the hanging plate; The detection device is arranged below the hanging bracket and is used for detecting the inclined state of the arc-shaped steel end face; The adjusting device is arranged on the adjacent side of the detecting device, an adjusting frame is arranged on the adjusting device, and a feeding device for feeding the connecting plate, a positioning device for positioning the center of the arc-shaped steel end face and a welding device are respectively arranged on the adjusting frame; the detection device includes: The detection frame is provided with symmetrical lifting guide rails I on two sides, and a push-pull rod I is arranged on the lifting guide rails I; the two ends of the detection flat plate are respectively hinged with the output ends of the first push-pull rods on a horizontal plane; the second distance sensor is arranged on the first push-pull rod and used for detecting the distance between the second distance sensor and the detection flat plate; The positioning device comprises: the lifting guide rails III are symmetrically arranged on two sides of the adjusting frame; The third push-pull rod is arranged on the third lifting guide rail, a positioning seat is arranged at the output end of the third push-pull rod, a sliding frame slides on the positioning seat, and the sliding frame is connected with the positioning seat through a sensing spring; The detection rotating roller is rotatably arranged on the sliding frame; a distance sensor III which is arranged on the positioning seat and used for detecting the distance between the distance sensor III and the lifting guide rail III; When the detection and the positioning are carried out, the end part of the arc steel clamped by the clamping assembly corresponds to the detection flat plate, the first push-pull rods are synchronously driven, the detection flat plate is moved towards the end surface of the arc steel until the first push-pull rods cannot move, the detection flat plate is flush and clung to the end surface of the arc steel, the difference value of the second distance sensors is obtained, the difference value is CZD, the distance between the second distance sensors is preset to JZD, the inclination angle of the detection flat plate is required to be obtained, the delta value can be obtained by taking the CZD and the JZD into a delta=arctan arc tangent function, and the inclination angle of the end surface of the arc steel is equal to the delta; And then the push-pull rod three is adjusted to drive the detection rotating roller to transversely move, the detection rotating roller is contacted with the left side and the right side of the arc-shaped steel end face until the detection rotating roller moves along the arc-shaped steel end face, the sensing spring is compressed by a certain compression amount, the certain compression amount is maintained unchanged, at the moment, the detection rotating roller is tangent to the left side and the right side of the arc-shaped steel end face, the distance between the two detection rotating rollers is the left side and the right side of the arc-shaped steel end face, HXD is set, the distance between the two distance sensors three and the left side and the right side lifting guide rail three is recorded through the two distance sensors three respectively, ZD and YD are set respectively, wherein the initial distance between the left side and the right side lifting guide rail three is set as SED, the initial left and right center point position between the left side lifting guide rail three is set as SED, HXD=SED-ZD-YD is acquired, if ZD is smaller than YD, the left and right center point of the arc-shaped steel end face is positioned according to the fact that the left and right center point of the left and right side of the arc-shaped steel end face is positioned, and the left and right center point between the left and right side lifting guide rails is positioned is not coincident with the left and right center point of the arc-shaped steel end face is calculated.
2. A high speed tunnel steel arch intelligent laser beam welding device according to claim 1, wherein the clamping assembly comprises: the first motor is arranged on the hanging plate, and the output end of the first motor is connected with a hanging frame; The first telescopic cylinder is symmetrically arranged at two ends of the hanging frame, the output end of the first telescopic cylinder is connected with a sliding seat, and the lower end of the sliding seat is provided with a clamping roller.
3. The intelligent laser beam welding equipment for the steel arch of the high-speed tunnel according to claim 2, wherein the first distance sensor is arranged on the clamping roller and is used for detecting the distance between the clamping roller and the arc-shaped steel side arc surface.
4. A high speed tunnel steel arch intelligent laser beam welding apparatus according to claim 1, wherein the adjusting means comprises: the upper output end of the rotator is provided with a turntable; and the second transverse guide rail is arranged on the turntable and passes through the circle center of the turntable, and the adjusting frame is arranged on the second transverse guide rail.
5. A high speed tunnel steel arch intelligent laser beam welding device according to claim 1, wherein the loading device comprises: the lifting guide rails II are symmetrically arranged on two sides of the adjusting frame; the two ends of the feeding seat are respectively connected with lifting guide rails II on the two sides of the feeding seat through push-pull rods II; and the second telescopic cylinder is arranged on the feeding seat, a feeding plate is arranged at the output end of the second telescopic cylinder, and a positioning column matched with the connecting plate is arranged on the surface of the feeding plate.
6. The intelligent laser beam welding equipment for the high-speed tunnel steel arch according to claim 5, wherein the adjusting frame is further provided with a storage box corresponding to the feeding plate.
7. A high speed tunnel steel arch intelligent laser beam welding device according to claim 1, wherein the welding means comprises: The ring frame is arranged at the upper end of the adjusting frame; the rotating ring rotates on the ring frame, and a laser welding head is arranged on the ring surface of the rotating ring; and the second motor is arranged on the adjusting frame, and the output end of the second motor is provided with a rotating wheel contacted with the rotating ring.

Description

Intelligent laser beam welding equipment for high-speed tunnel steel arch Technical Field The invention relates to the technical field of welding, in particular to intelligent laser beam welding equipment for a high-speed tunnel steel arch. Background In the production of high-speed tunnel steel arches, it is generally necessary to weld the arc steel with the connection plates in order to build the steel arches. At present, there is little deformation resilience difference after the curved steel bending shaping, leads to terminal surface inclination and central point put and is difficult to accurate control, easily causes welding dislocation or stress concentration, secondly, to the centre gripping mode of curved steel, adopts fixed structure in the prior art more, can't adapt to the curved surface change of different radians, easily causes the centre gripping unstable or work piece wearing and tearing, in addition, the location adjustment relies on manual experience, is difficult to realize that the connecting plate aligns with the high accuracy in curved steel terminal surface center, leads to welding efficiency low and product uniformity poor. Therefore, it is necessary to provide an intelligent laser beam welding device for a high-speed tunnel steel arch to solve the problems in the background art. Disclosure of Invention In order to achieve the purpose, the invention provides the following technical scheme that the intelligent laser beam welding equipment for the high-speed tunnel steel arch comprises the following components: the conveying table is provided with a hanging bracket above, a first transverse guide rail is arranged on the hanging bracket, a lifting cylinder is arranged on the first transverse guide rail, the lower end of the lifting cylinder is connected with a hanging plate, and a plurality of clamping assemblies are arranged on the hanging plate; The detection device is arranged below the hanging bracket and is used for detecting the inclined state of the arc-shaped steel end face; The adjusting device is arranged on the adjacent side of the detecting device, an adjusting frame is arranged on the adjusting device, and a feeding device for feeding the connecting plate, a positioning device for positioning the center of the arc-shaped steel end face and a welding device are respectively arranged on the adjusting frame. Preferably, the clamping assembly comprises: the first motor is arranged on the hanging plate, and the output end of the first motor is connected with a hanging frame; The telescopic cylinder I is symmetrically arranged at two ends of the hanging frame, the output end of the telescopic cylinder I is connected with a sliding seat, and the lower end of the sliding seat is provided with a clamping roller. Preferably, a first distance sensor is arranged on the clamping roller and used for detecting the distance between the clamping roller and the arc-shaped steel side cambered surface. Preferably, the detection device includes: The detection frame is provided with symmetrical lifting guide rails I on two sides, and a push-pull rod I is arranged on the lifting guide rails I; the two ends of the detection flat plate are respectively hinged with the output ends of the first push-pull rods on a horizontal plane; and the second distance sensor is arranged on the first push-pull rod and used for measuring the distance between the second push-pull rod and the detection flat plate. Preferably, the adjusting device includes: the upper output end of the rotator is provided with a turntable; and the second transverse guide rail is arranged on the turntable and passes through the circle center of the turntable, and the adjusting frame is arranged on the second transverse guide rail. Preferably, the feeding device comprises: the lifting guide rails II are symmetrically arranged on two sides of the adjusting frame; the two ends of the feeding seat are respectively connected with lifting guide rails II on the two sides of the feeding seat through push-pull rods II; And the telescopic cylinder II is arranged on the feeding seat, the output end of the telescopic cylinder II is provided with a feeding plate, and the plate surface of the feeding plate is provided with a positioning column matched with the connecting plate. Preferably, the adjusting frame is also provided with a storage box corresponding to the feeding plate. Preferably, the positioning device includes: the lifting guide rails II are symmetrically arranged on two sides of the adjusting frame; The push-pull rod III is arranged on the lifting guide rail II, the output end of the push-pull rod III is provided with a positioning seat, a sliding frame slides on the positioning seat, and the sliding frame is connected with the positioning seat through a sensing spring; The detection rotating roller is rotatably arranged on the sliding frame; And a distance sensor III which is arranged on the positioning seat and used for detecting the d