CN111922565A - Main driving welding machine for escalator - Google Patents
Main driving welding machine for escalator Download PDFInfo
- Publication number
- CN111922565A CN111922565A CN202010795144.6A CN202010795144A CN111922565A CN 111922565 A CN111922565 A CN 111922565A CN 202010795144 A CN202010795144 A CN 202010795144A CN 111922565 A CN111922565 A CN 111922565A
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- working platform
- positioning
- welding
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- 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 to a procedure covered by only one of the preceding main groups
-
- 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 to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
-
- 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 to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The utility model provides a handrail elevator owner drives welding machine, includes supporting seat, pin joint work platform on the supporting seat, the rotatory actuating mechanism of drive work platform rotation on the supporting seat, a positioning mechanism who is used for work platform location, establish the clamping mechanism who is used for fixed main drive on work platform, establish the welding frame on the workstation and establish the welder on the welding frame. Hoisting the assembled main drive to a working platform by using a lifting appliance; then, the driving shaft is clamped by a clamping mechanism on the working platform, so that the large step chain wheel and the driving shaft are ensured to be concentric; adjusting the position of a welding gun to enable the welding gun to weld the joint of the step large chain wheel and the driving shaft; utilize the motor to drive the drive shaft, the main drive takes place rotatoryly relative welder, and welder can follow annular welding seam welding circle promptly, when guaranteeing step large sprocket and drive shaft concentricity, because welder and the relative distance of welding seam do not change, consequently also can guarantee welder's welding quality.
Description
Technical Field
The invention relates to the field of elevators, in particular to a main drive welding machine for an escalator.
Background
The main drive of the handrail elevator comprises a drive shaft, two large step chain wheels sleeved on the drive shaft and a drive chain wheel sleeved on the drive shaft, wherein the large step chain wheel is fixedly connected with the drive shaft during production, and the conventional fixing modes are various, but the common method is to weld the large step chain wheel with the drive shaft. The welding connection can reduce the processing requirement on the driving shaft and the step large chain wheel, and the connection reliability is better. The product quality requires that there should be better concentricity between big sprocket of step and the drive shaft, does not have the welding frock to the main drive specially at present, and most relies on manual welding, therefore the operating efficiency is low, and product quality can not obtain the assurance.
Disclosure of Invention
The invention aims to solve the technical problem of providing a main drive welding machine for a handrail elevator, which improves the working efficiency and the product quality.
In order to solve the technical problems, the technical scheme of the invention is as follows: a handrail elevator main drive welding machine comprises a supporting seat, a working platform pivoted on the supporting seat, a rotary driving mechanism for driving the working platform to rotate on the supporting seat, a positioning mechanism for positioning the working platform, a clamping mechanism arranged on the working platform and used for fixing main drive, a welding frame arranged on the working platform and a welding gun arranged on the welding frame; the supporting seat comprises a bottom frame and two symmetrically arranged supporting frames arranged on the bottom frame, the supporting frames are trapezoidal and comprise horizontally arranged cross beams, oblique beams arranged at two ends of the cross beams and longitudinal beams arranged below the cross beams, one ends of the oblique beams are connected with the cross beams, the other ends of the oblique beams are connected with the bottom frame, the longitudinal beams are perpendicular to the cross beams, the upper ends of the longitudinal beams are connected with the cross beams, and the lower ends of the longitudinal beams are connected with the bottom frame; the rotary driving mechanism comprises bearing seats arranged on the beam, a rotating shaft erected between the two bearing seats, a worm wheel and a motor for driving the worm wheel to drive the worm, one end of the worm is connected to the bottom of the working platform through a hinge seat, and the working platform is fixed on the rotating shaft; the positioning mechanism comprises a plurality of positioning cylinders arranged on the supporting seat and positioning seats arranged on the workbench and matched with the positioning cylinders, and positioning holes are formed in the positioning seats; the clamping mechanism comprises a fixed base arranged at one end of the working platform, a rotating motor arranged on the fixed base, a movable base arranged at the other end of the working platform and a translation mechanism driving the movable base to be close to or far away from the fixed base; a bracket and a guide rod are arranged between the fixed seat body and the movable seat body on the working platform, a guide block is arranged at the lower end of the bracket, and the guide block is in sliding fit with the guide rod; the welding frame comprises connecting plates arranged at two ends of the working platform, telescopic rods arranged on the connecting plates, hexagonal slide rods arranged between the two telescopic rods, a slide seat arranged on the hexagonal slide rods and a support rod fixed on the slide seat, wherein the welding gun is fixed on the support rod through a clamping assembly. The principle of the invention is as follows: hoisting the assembled main drive to a working platform by using a lifting appliance; then, the driving shaft is clamped by a clamping mechanism on the working platform, so that the large step chain wheel and the driving shaft are ensured to be concentric; adjusting the position of a welding gun to enable the welding gun to weld the joint of the step large chain wheel and the driving shaft; utilize the motor to drive the drive shaft, the main drive takes place rotatoryly relative welder, and welder can follow annular welding seam welding circle promptly, when guaranteeing step large sprocket and drive shaft concentricity, because welder and the relative distance of welding seam do not change, consequently also can guarantee welder's welding quality.
As an improvement, a fixed tip cone is arranged on the fixed base body, and an output shaft of the rotating motor is connected with the fixed tip cone; a first clamping ring is sleeved outside the fixed tip cone, and a clamping groove is formed in the first clamping ring; a second clamping ring is arranged at one end of the driving shaft of the main drive, a clamping pin is arranged on the second clamping ring, and the clamping pin is matched with the clamping groove; the movable seat body is provided with a movable tip cone, a screw rod for pushing the movable tip cone and a hand wheel for driving the screw rod.
As an improvement, one end of the connecting plate is fixed at the bottom of the working platform, the other end of the connecting plate extends out of the working platform, and the telescopic rod is fixed at one end of the connecting plate extending out of the working platform.
As an improvement, a first positioning cylinder is arranged on two oblique beams of the supporting frame on one side, and when the working platform is in a left or right oblique state, the first positioning cylinder is matched with the positioning seat; the supporting seat further comprises a positioning frame, a second positioning cylinder is arranged at the top of the positioning frame, and when the working platform is in a horizontal state, the second positioning cylinder is matched with the positioning seat.
As an improvement, the middle position of the bottom frame is provided with a mounting seat, the worm wheel and the worm are installed in the shell, connecting columns are arranged on two sides of the shell, the mounting seat comprises a bottom plate and two vertical plates, connecting holes are formed in the vertical plates, the shell is arranged between the two vertical plates, and the connecting columns of the shell correspond to the connecting holes.
Compared with the prior art, the invention has the following beneficial effects:
hoisting the assembled main drive to a working platform by using a lifting appliance; then, the driving shaft is clamped by a clamping mechanism on the working platform, so that the large step chain wheel and the driving shaft are ensured to be concentric; adjusting the position of a welding gun to enable the welding gun to weld the joint of the step large chain wheel and the driving shaft; utilize the motor to drive the drive shaft, the main drive takes place rotatoryly relative welder, and welder can follow annular welding seam welding circle promptly, when guaranteeing step large sprocket and drive shaft concentricity, because welder and the relative distance of welding seam do not change, consequently also can guarantee welder's welding quality.
Drawings
FIG. 1 is a front view of the present invention.
Fig. 2 is a top perspective view of the present invention.
Fig. 3 is a bottom perspective view of the present invention.
FIG. 4 is a top view of the present invention.
Fig. 5 is an enlarged view of fig. 2 at a.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the main driving welding machine for the escalator comprises a supporting seat, a working platform 21 pivoted on the supporting seat, a rotary driving mechanism for driving the working platform 21 to rotate on the supporting seat, a positioning mechanism for positioning the working platform 21, a clamping mechanism arranged on the working platform 21 and used for fixing main driving, a welding frame arranged on the working platform and a welding gun 12 arranged on the welding frame.
As shown in fig. 1 and 2, the support seat is formed by welding square pipes, and comprises a bottom frame 1 and two symmetrically arranged support frames arranged on the bottom frame 1. Underframe 1 is the rectangle, and it includes two boundary beams and two end beams, and the centre of two boundary beams is equipped with the tie-beam, and four edges of underframe 1 are equipped with the fixing base, are equipped with the bolt hole on the fixing base. The support frames are trapezoidal, the two support frames are respectively arranged on the two side beams, and each support frame comprises a cross beam 4 which is horizontally arranged and is positioned above the side beam, oblique beams 3 arranged at two ends of the cross beam 4 and longitudinal beams arranged below the cross beam 4; one end of the oblique beam 3 is welded with the end part of the cross beam 4, and the other end of the oblique beam 3 is welded with one end of the side beam; the longitudinal beam is perpendicular to the cross beam 4, the upper end of the longitudinal beam is in welded connection with the middle position of the bottom of the cross beam 4, the lower end of the longitudinal beam is in welded connection with the middle position of the top of the side beam, and the whole supporting frame is high in structural strength and capable of supporting heavier objects without deformation.
As shown in fig. 1 and 3, the rotation driving mechanism includes bearing seats 6 arranged on the top of the beam 4, a rotating shaft erected between the two bearing seats 6, a worm 29, a worm wheel, and a motor 30 driving the worm wheel to drive the worm 29. Two ends of the rotating shaft are respectively pivoted with the bearing seats 6 at two sides, and the working platform 21 is fixed on the rotating shaft, so that the working platform 21 can incline around the left side and the right side of the rotating shaft; the worm wheel and the worm 29 are assembled in the shell, square connecting columns are arranged on two sides of the shell, a mounting seat 31 is arranged on a connecting beam of the bottom frame 1, the mounting seat 31 comprises a bottom plate and two vertical plates, connecting holes are formed in the vertical plates, the shell is arranged between the two vertical plates, and the connecting columns of the shell correspond to the connecting holes; the worm 29 is the slope setting, and the one end of worm 29 is connected in work platform 21's bottom through articulated seat, and the motor passes through worm wheel drive worm 29 and rotates, makes worm 29 flexible relative the casing, and worm 29 can stimulate work platform 21, and then makes work platform 21 can revolute the rotation axis and take place the slope.
As shown in fig. 1, the positioning mechanism includes a plurality of positioning cylinders disposed on the supporting base and positioning seats disposed on the worktable and matched with the positioning cylinders, and the positioning seats are provided with positioning holes; in the embodiment, a total of three positioning cylinders are arranged, wherein the first positioning cylinder 2 is arranged on two oblique beams 3 of the support frame on one side, and when the working platform 21 is in a left or right oblique state, the first positioning cylinder 2 is matched with the positioning seat 20; the supporting seat further comprises a positioning frame 7, a second positioning cylinder 8 is arranged at the top of the positioning frame 7, and when the working platform 21 is in a horizontal state, the second positioning cylinder is matched with the positioning seat 20.
As shown in fig. 1 and 2, the clamping mechanism includes a fixed seat 19 disposed at one end of the working platform 21, a rotating electrical machine 18 disposed on the fixed seat 19, a movable seat 9 disposed at the other end of the working platform 21, and a translation mechanism for driving the movable seat 9 to move closer to or away from the fixed seat 19. The fixed seat body 19 is provided with a fixed tip cone 17, an output shaft of the rotating motor 18 is connected with the fixed tip cone 17, the movable seat body 9 is provided with a movable tip cone 11, a screw rod for pushing the movable tip cone 11 and a hand wheel for driving the screw rod, and the fixed tip cone 17 and the movable tip cone 11 are utilized to clamp two ends of a main driving shaft and realize center alignment; the translation mechanism of this embodiment is a transmission mechanism composed of a lead screw and a nut. As shown in fig. 5, a first snap ring 32 is sleeved outside the fixed tip cone 17, and a snap groove 34 is formed in the first snap ring 32; one end of the driving shaft 24 of the main drive is provided with a second clamping ring 33, a clamping pin 35 is arranged on the second clamping ring 33, the clamping pin 35 is matched with the clamping groove 34, after the driving shaft 24 is clamped tightly, the clamping pin 35 is arranged in the clamping groove 34, the rotating motor 18 drives the fixed tip cone 17 to rotate, the fixed tip cone 17 drives the driving shaft 24 to rotate through the matching of the clamping pin 35 and the clamping groove 34, and after the welding is finished, the main drive is lifted upwards to separate the clamping pin 35 from the clamping groove 34.
As shown in fig. 1, two brackets 23 and two guide rods 24 disposed on the working platform 21 are disposed on the working platform 21 between the fixed seat 19 and the movable seat 9. The length direction setting of work platform 21 is followed to guide bar 24, and the both ends of guide bar 24 are passed through the fixed block and are fixed on work platform 21, the lower extreme of bracket 23 is equipped with the guide block, guide block and 24 sliding fit of guide bar, therefore the position of bracket 23 can be adjusted at any time, makes bracket 23 be in the best position of lifting. During welding operation, the main drive is firstly hung on the bracket 23 by using the lifting appliance, and then the main drive is fixed in the clamping mechanism from the bracket 23.
As shown in fig. 1 to 4, the welding stand includes connection plates 25 disposed at both ends of the working platform 21, telescopic rods 10 disposed on the connection plates 25, a hexagonal slide rod 13 disposed between the two telescopic rods 10, a slide 27 disposed on the hexagonal slide rod 13, and a support rod 26 fixed on the slide 27. One end of the connecting plate 25 is fixed at the bottom of the working platform 21, the other end of the connecting plate extends out of the working platform 21, and the telescopic rod 10 is fixed at one end of the connecting plate 25 extending out of the working platform 21. Because the driving shaft 24 is provided with the two step large chain wheels 16, the embodiment is provided with two welding guns 12, the welding guns 12 are fixed on the supporting rod through the clamping components, the Z-axis position of the welding guns 12 can be adjusted through the telescopic rods 10, the X-axis position of the welding guns 12 can be adjusted through the positions of the sliding seats 27 on the hexagonal slide rods 13, and the Y-axis position of the welding guns 12 can be adjusted through the positions of the clamping components 15, so that the welding guns 12 are in the optimal welding position.
The principle of the invention is as follows: the assembled main drive is hoisted to the working platform 21 by a hoist; then, the driving shaft 24 is clamped by a clamping mechanism on the working platform 21, so that the large step chain wheel 16 and the driving shaft 24 ensure concentricity; adjusting the position of the welding gun 12 to enable the welding gun 12 to weld the joint of the step chain wheel 16 and the driving shaft 24; the driving shaft 24 is driven by the motor, the main drive rotates relative to the welding gun 12, namely the welding gun 12 can weld a circle along an annular welding line, the concentricity of the step large chain wheel 16 and the driving shaft 24 is ensured, and meanwhile, the relative distance between the welding gun 12 and the welding line is not changed, so that the welding quality of the welding gun 12 can also be ensured.
Claims (5)
1. The utility model provides a handrail elevator main drive welding machine which characterized in that: the welding device comprises a supporting seat, a working platform pivoted on the supporting seat, a rotary driving mechanism for driving the working platform to rotate on the supporting seat, a positioning mechanism for positioning the working platform, a clamping mechanism arranged on the working platform and used for fixing a main drive, a welding frame arranged on the working platform and a welding gun arranged on the welding frame; the supporting seat comprises a bottom frame and two symmetrically arranged supporting frames arranged on the bottom frame, the supporting frames are trapezoidal and comprise horizontally arranged cross beams, oblique beams arranged at two ends of the cross beams and longitudinal beams arranged below the cross beams, one ends of the oblique beams are connected with the cross beams, the other ends of the oblique beams are connected with the bottom frame, the longitudinal beams are perpendicular to the cross beams, the upper ends of the longitudinal beams are connected with the cross beams, and the lower ends of the longitudinal beams are connected with the bottom frame; the rotary driving mechanism comprises bearing seats arranged on the beam, a rotating shaft erected between the two bearing seats, a worm wheel and a motor for driving the worm wheel to drive the worm, one end of the worm is connected to the bottom of the working platform through a hinge seat, and the working platform is fixed on the rotating shaft; the positioning mechanism comprises a plurality of positioning cylinders arranged on the supporting seat and positioning seats arranged on the workbench and matched with the positioning cylinders, and positioning holes are formed in the positioning seats; the clamping mechanism comprises a fixed base arranged at one end of the working platform, a rotating motor arranged on the fixed base, a movable base arranged at the other end of the working platform and a translation mechanism driving the movable base to be close to or far away from the fixed base; a bracket and a guide rod are arranged between the fixed seat body and the movable seat body on the working platform, a guide block is arranged at the lower end of the bracket, and the guide block is in sliding fit with the guide rod; the welding frame comprises connecting plates arranged at two ends of the working platform, telescopic rods arranged on the connecting plates, hexagonal slide rods arranged between the two telescopic rods, a slide seat arranged on the hexagonal slide rods and a support rod fixed on the slide seat, wherein the welding gun is fixed on the support rod through a clamping assembly.
2. The escalator main drive welding machine of claim 1, wherein: the fixed base is provided with a fixed tip cone, and an output shaft of the rotating motor is connected with the fixed tip cone; a first clamping ring is sleeved outside the fixed tip cone, and a clamping groove is formed in the first clamping ring; a second clamping ring is arranged at one end of the driving shaft of the main drive, a clamping pin is arranged on the second clamping ring, and the clamping pin is matched with the clamping groove; the movable seat body is provided with a movable tip cone, a screw rod for pushing the movable tip cone and a hand wheel for driving the screw rod.
3. The escalator main drive welding machine of claim 1, wherein: one end of the connecting plate is fixed at the bottom of the working platform, the other end of the connecting plate extends out of the working platform, and the telescopic rod is fixed at one end of the connecting plate extending out of the working platform.
4. The escalator main drive welding machine of claim 1, wherein: the two oblique beams of the supporting frame on one side are provided with first positioning cylinders, and when the working platform is in a left or right inclined state, the first positioning cylinders are matched with the positioning seats; the supporting seat further comprises a positioning frame, a second positioning cylinder is arranged at the top of the positioning frame, and when the working platform is in a horizontal state, the second positioning cylinder is matched with the positioning seat.
5. The escalator main drive welding machine of claim 1, wherein: the middle position of the bottom frame is provided with a mounting seat, the worm wheel and the worm are mounted in the shell, connecting columns are arranged on two sides of the shell, the mounting seat comprises a bottom plate and two vertical plates, connecting holes are formed in the vertical plates, the shell is arranged between the two vertical plates, and the connecting columns of the shell correspond to the connecting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010795144.6A CN111922565B (en) | 2020-08-10 | 2020-08-10 | Main driving welding machine for escalator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010795144.6A CN111922565B (en) | 2020-08-10 | 2020-08-10 | Main driving welding machine for escalator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111922565A true CN111922565A (en) | 2020-11-13 |
| CN111922565B CN111922565B (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010795144.6A Active CN111922565B (en) | 2020-08-10 | 2020-08-10 | Main driving welding machine for escalator |
Country Status (1)
| Country | Link |
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| CN (1) | CN111922565B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113798742A (en) * | 2021-09-07 | 2021-12-17 | 大汉科技股份有限公司 | Automatic welding working equipment and working method for embedded support legs |
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| CN103537781A (en) * | 2012-07-10 | 2014-01-29 | 洪泽东俊机械有限公司 | Ocean Christmas tree pipeline automatic welding device |
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| CN113798742A (en) * | 2021-09-07 | 2021-12-17 | 大汉科技股份有限公司 | Automatic welding working equipment and working method for embedded support legs |
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| Publication number | Publication date |
|---|---|
| CN111922565B (en) | 2022-07-05 |
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