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CN-121972941-A - Hydraulic butt joint equipment for flange assembly

CN121972941ACN 121972941 ACN121972941 ACN 121972941ACN-121972941-A

Abstract

The invention discloses hydraulic butt joint equipment for flange assembly, which comprises a frame with a threaded foot support and universal wheels, a square-opening vertical beam vertically and fixedly arranged at the top end of the frame, a hollow frame slidingly arranged along the vertical direction on the outer wall of one side of the Fang Kouli beam, a key shaft type advancing assembly arranged in the hollow frame and a chuck arranged at the driving end of the key shaft type advancing assembly, wherein the key shaft type advancing assembly enables the chuck to rotate, and a hydraulic lifting assembly for controlling the height of the hollow frame is arranged on the outer wall of one side of the Fang Kouli beam. The invention uses the key shaft type advance assembly to rotate the chuck and the heavy flange until the hole positions are aligned, and uses the hydraulic butting assembly to contact the heavy flange and the fixed end flange, thereby using the chuck to rigidly fix, independently leveling the gear connecting rod type pair disc assembly, rotating the key shaft type advance assembly to butt the hole and finally pushing the hydraulic butting assembly to finish the flange butting operation with high precision and high efficiency.

Inventors

  • LI JIAN
  • GUAN JIANZHONG
  • TAO JING
  • WU LIHUA
  • QIN YISHENG
  • YUAN MINGWEI

Assignees

  • 江苏海达管件集团有限公司

Dates

Publication Date
20260505
Application Date
20260225

Claims (10)

  1. 1. A hydraulic butt joint device for flange assembly is characterized by comprising a frame (1) with a threaded foot support and universal wheels, a square-mouth vertical beam (2) vertically and fixedly arranged at the top end of the frame (1), a hollow frame (4) slidably arranged along the vertical direction on the outer wall of one side of the Fang Kouli beam (2), a key shaft type advancing assembly (5) internally arranged in the hollow frame (4) and a chuck (504) arranged at the driving end of the key shaft type advancing assembly (5), wherein the key shaft type advancing assembly (5) enables the chuck (504) to rotate, a hydraulic lifting assembly (3) for controlling the height of the hollow frame (4) is arranged on the outer wall of one side of the Fang Kouli beam (2), a hydraulic butt joint assembly (6) for driving the chuck (504) to move along the axial direction is arranged above the hollow frame (4), an aluminum profile frame (7) is fixedly connected at the bottom end of the hollow frame (4), a gear type reversing disc assembly (8) is arranged on the left outer wall and right outer wall of the aluminum profile frame (7), a gear type reversing disc assembly (8) is arranged in the inner side of the aluminum profile frame (7) and is used for providing a hydraulic lifting assembly (1) to a hydraulic power station (4) for driving the hydraulic lifting assembly (64), a control panel (11) which is electrically connected with the input end of the hydraulic station (10) is arranged on the lower position of the surface of the Fang Kouli beam (2).
  2. 2. The hydraulic butt joint device for flange assembly according to claim 1, wherein the hydraulic lifting assembly (3) is composed of a Z-axis hydraulic cylinder (301) and a back sleeve type sliding table (302), the Z-axis hydraulic cylinder (301) is parallel to the length direction of the Fang Kouli beam (2) and is fixed on one side outer wall of the square opening vertical beam (2), the back sleeve type sliding table (302) is slidably mounted on one side outer wall of the Fang Kouli beam (2) through a track, the lower end of the back sleeve type sliding table (302) is fixedly connected with the upper end of the Z-axis hydraulic cylinder (301), a first photoelectric sensor (303) and a second photoelectric sensor (304) are mounted on one side outer wall of the Fang Kouli beam (2) through brackets, the first photoelectric sensor (303) and the second photoelectric sensor (304) respectively correspond to an ascending end point and a descending end point of the back sleeve type sliding table (302), the output ends of the first photoelectric sensor (303) and the second photoelectric sensor (304) are electrically connected with the input end of the control panel (11), and the hollow frame (4) is mounted on one side outer wall of the back sleeve type sliding table (302).
  3. 3. The hydraulic butt joint equipment for flange assembly according to claim 2, wherein the key shaft type advancing assembly (5) comprises a spline shaft (501), a shaft sleeve (502) and an inner spline hollow shaft (503), the shaft sleeve (502) is fixed on one side outer wall of the hollow frame (4), the inner spline hollow shaft (503) is rotatably arranged in the shaft sleeve (502), the spline shaft (501) is coaxially sleeved inside the inner spline hollow shaft (503), and one end of the spline shaft (501) penetrates through the outer portion of the shaft sleeve (502) and is fixedly connected with one side outer wall of the chuck (504) in a bolt manner.
  4. 4. A hydraulic butt joint device for flange assembly according to claim 3, wherein a supporting plate (505) is mounted on the inner wall of a hollow frame (4) below the shaft sleeve (502), a hand wheel shaft (506) is rotatably mounted in the supporting plate (505) through a bearing, the axial direction of the hand wheel shaft (506) is parallel to the internal spline hollow shaft (503), a sprocket (507) is fixed at one end of the hand wheel shaft (506) and the outer circumferential surface of the internal spline hollow shaft (503), and a chain is mounted between the two sprockets (507).
  5. 5. The hydraulic butt joint device for flange assembly according to claim 3, wherein the hydraulic butt joint assembly (6) comprises a hydraulic jack (601), a sliding frame (602) and a straight-mouth-shaped shaft carrying platform (604), the hydraulic jack (601) is mounted on one side outer wall of the back-sleeve sliding table (302), the length direction of the hydraulic jack (601) is parallel to the length direction of the spline shaft (501), the sliding frame (602) is slidably mounted on one side inner wall of the hollow frame (4) through a track, the straight-mouth-shaped shaft carrying platform (604) is mounted on one side outer wall of the sliding frame (602) in a bolt-connection mode, and one end of the spline shaft (501) is rotatably connected with one side outer wall of the straight-mouth-shaped shaft carrying platform (604) through a roller bearing.
  6. 6. The hydraulic butt joint device for flange assembly according to claim 5, wherein a vertical plate (603) is integrally formed on one side of the top end of the carriage (602), and the end part of a piston rod of the hydraulic jack (601) is fixedly connected with the outer wall of one side of the vertical plate (603).
  7. 7. The hydraulic butt joint equipment for flange assembly according to claim 1, wherein the hydraulic type pivoting driving assembly (9) consists of a second hydraulic cylinder (901) and a second handle block (902), the second hydraulic cylinder (901) is hinged on one side inner wall of the aluminum profile frame (7) in an inclined mode, a fisheye joint (9011) is fixed at the top end of a piston rod of the second hydraulic cylinder (901), and the second handle block (902) is hinged on one side outer wall of the fisheye joint (9011).
  8. 8. The hydraulic butt joint equipment for flange assembly according to claim 7, wherein the gear connecting rod type butt joint assembly (8) comprises rotating shafts (805) rotatably mounted on the left inner wall and the right inner wall of the aluminum profile frame (7) through vertical bearing seats, two vertical columns (801) fixedly mounted on the left outer wall and the right outer wall of the aluminum profile frame (7) and vertical arms (802) slidingly mounted on the two vertical columns (801) on the same side, an inclined surface table (803) is detachably mounted between the two vertical arms (802) on the same side, one ends, close to the hollow frame (4), of the two rotating shafts (805) are respectively fixed with a gear single body (807), the two gear single bodies (807) are kept in engagement, two ends of the surface of the rotating shafts (805) are respectively fixed with a first handle block (806), the upper end of each first handle block (806) is hinged with a connecting rod (804), one end of each connecting rod (804) is hinged with one outer wall of the vertical arms (802), and the upper end of each second handle block (902) is fixedly connected with one rotating shaft (805).
  9. 9. The hydraulic butt joint equipment for flange assembly according to claim 8, wherein the lower surface of the inclined surface table (803) is always higher than the upper surface of the aluminum profile frame (7), the chuck (504) is positioned between the two inclined surface tables (803), and the top end of the aluminum profile frame (7) below the chuck (504) is a neutral part.
  10. 10. The hydraulic butt joint equipment for flange assembly according to claim 8, wherein a plurality of through holes are formed in the vertical arms (802) at equal intervals in the length direction, spring positioning pins are fixed on the outer walls of the left side and the right side of the inclined plane platform (803), and the inclined plane platform (803) is sleeved on the two vertical arms (802) on the same side and connected with the vertical arms (802) through the spring positioning pins and the through holes.

Description

Hydraulic butt joint equipment for flange assembly Technical Field The invention relates to the technical field of flange hydraulic assembly, in particular to hydraulic butt joint equipment for flange assembly. Background The structure of the equipment generally comprises a plurality of parts such as a hydraulic system, a supporting frame, a butting device, a control system, a safety device and the like, wherein the flange butting operation process is started by positioning and clamping the equipment under a pipe section to be assembled, then coarse lifting and preliminary approaching are carried out, then the most critical precise centering stage is carried out, an operator sequentially and finely adjusts the height, the horizontal position and the angle until the two flanges are completely concentric and have uniform gaps, then the equipment drives the pipe section to stably push along an axis so that the two sealing surfaces are uniformly contacted and tightly attached, an operator can rapidly penetrate and pre-tighten all bolts under the ideal alignment state, after the initial stability is obtained by connection, the equipment removes the load and moves out, and finally the tightening of the bolts is completed by a torque tool; The butt joint pipe bracket for assembling the flange pipeline of the boiler comprises a base, wherein a supporting table is fixedly arranged on the upper surface of the base, a worm gear reducer is fixedly arranged on the upper surface of the supporting table, the input end of the worm gear reducer faces forward, the output end of the worm gear reducer faces upward, a screw rod is vertically and fixedly arranged at the output end of the worm gear reducer, a pipe sleeve is assembled in a threaded manner, threads matched with the screw rod are arranged on the pipe sleeve, a V-shaped bottom plate is fixedly arranged at the upper end of the pipe sleeve, V-shaped baffles are fixedly arranged at the two ends of the upper surface of the V-shaped bottom plate, rollers at the inner sides of the V-shaped baffles at the two ends are respectively arranged in a V-shaped manner along the V-shaped baffles, a guide assembly is arranged between the V-shaped bottom plate and the supporting table, and the flange plate of the adjacent flange pipeline can be lifted to the same height, the flange to be connected in the technical proposal is mainly placed on two roller tracks arranged in V shape, the alignment of the hole positions of the flanges is manually rotated and adjusted by manpower, the V-shaped roller tracks can facilitate the rotation of the pipeline, but are essentially an underconstrained supporting structure, when the flanges are pushed by the subsequent hydraulic equipment to axially attach, the pipeline is easy to generate tiny axial movement or lateral sliding on the rollers by huge thrust, thus destroying the preliminarily formed centering state, the flange at the fixed end and the flange on the equipment are always in dislocation state after the abutting contact, namely the two disc surfaces are not completely coincident, and the whole abutting equipment with heavy pipe sections is required to be repeatedly started and moved by staff until the two flange disc surfaces are approximately aligned, the subsequent hole site alignment operation can be performed, the whole adjustment accuracy limit is low, the repeatability is poor, and the judgment error is easy to be caused by visual errors, fatigue and other factors. Disclosure of Invention The invention aims to provide hydraulic butt joint equipment for flange assembly, heavy flanges to be connected are fixed by chucks at the tail ends of a key shaft type advancing assembly, the whole equipment is moved to a flange of a fixed end through a frame, a hydraulic lifting assembly is operated to work through a control panel according to the height of the flange of the fixed end, so that the hollow frame, the key shaft type advancing assembly and the hydraulic butt joint assembly are moved to proper heights, in the state that the heavy flanges and the fixed end flange are not contacted, workers drive a gear connecting rod type butt joint assembly to work through a hydraulic type pivoting driving assembly so as to calibrate the two flanges from left and right sides until the surfaces of the two staggered flanges are overlapped, finally the key shaft type advancing assembly enables the chucks and the heavy flanges to rotate until holes are aligned, and the heavy flanges and the fixed end flange are contacted through the hydraulic butt joint assembly, so that the problem in the background technology is solved. In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a hydraulic pressure docking equipment for flange assembly, includes the frame that has screw foot support and universal wheel, the square mouth upright beam of perpendicular fixed mounting in frame top, fang