CN109822280B - Automatic alignment hoisting device for main beam partition plate of crane - Google Patents
Automatic alignment hoisting device for main beam partition plate of crane Download PDFInfo
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- CN109822280B CN109822280B CN201910275610.5A CN201910275610A CN109822280B CN 109822280 B CN109822280 B CN 109822280B CN 201910275610 A CN201910275610 A CN 201910275610A CN 109822280 B CN109822280 B CN 109822280B
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Abstract
The invention discloses an automatic alignment hoisting device for a crane girder partition plate, wherein an output shaft of a motor is connected with a screw rod through a coupler, two ends of the screw rod are respectively provided with a nut pin which is matched with the screw rod and has opposite rotation directions of threaded holes, the upper part of the nut pin penetrates through a hinge hole of a connecting rod at the end part of a telescopic frame and is positioned through a roller arranged at the top of the nut pin, the telescopic frame is arranged on a bearing track, the telescopic frame is composed of a plurality of X-shaped connecting pieces which are hinged end to end sequentially through bearing hinge pins, and a pin hole at the middle position of the upper part of an n-shaped frame is hinged with a hinge hole at the lower end of a central connecting pin through a pin shaft. The invention can assist in completing the welding process of the main beam partition plate and the cover plate of the crane, reduces labor intensity, improves working efficiency and ensures product quality.
Description
Technical Field
The invention belongs to the technical field of crane production and manufacturing, and particularly relates to an automatic alignment hoisting device for a main beam partition plate of a crane.
Background
The crane is an indispensable mechanical device in various engineering constructions, and is widely applied to the fields of workshop dispatching, road and bridge construction, port carrying, storage logistics and the like, and the main beam of the crane is used as a core bearing component of the crane, and the production process determines the overall performance and the production benefit of the crane.
The crane girder is mainly formed by welding upper and lower cover plates, webs and large and small partition plates, the large and small partition plates are required to be perpendicular to the cover plates in the process of welding the large and small partition plates and the upper cover plates, the distance between the partition plates is equal, and as the specification and the model of the crane are not unified standards and belong to customized products, the number of the partition plates, the size of the partition plates, the spacing of the partition plates, the length of the cover plates and the like of the crane girder are different, so that the partition plates and the cover plates need to be firstly marked in the production process and then welded one by one according to the drawing requirement, and each partition plate needs to be mutually matched with two to three workers, and a person holds a right-angle turning ruler to correct the perpendicularity of the partition plates and the cover plates and align the partition plates with the marking lines of the cover plates; the partition board is righted by one person, so that the vertical posture of the partition board is ensured; the other hand holds the welding gun to be responsible for welding. In conclusion, in the welding process of the traditional main beam partition plate and the cover plate of the crane, the labor is large, the operation steps are more, the efficiency is low, the alignment quality is difficult to ensure, and the labor intensity of workers is high. Therefore, it is necessary to design an automatic alignment lifting device for the main beam partition plate of the crane, which assists in completing the welding process of the main beam partition plate and the cover plate of the crane, reduces labor intensity, improves working efficiency and ensures product quality.
Disclosure of Invention
The invention solves the technical problem of providing the crane girder partition plate automatic alignment hoisting device which is efficient and accurate, is easy to construct, can greatly reduce the labor intensity of workers and has strong adaptability to the production of crane girders with different lengths.
The invention adopts the following technical scheme to solve the technical problems, and is characterized in that: the motor is arranged on a connecting plate of the bearing track through a fixed seat, an output shaft of the motor is connected with a screw rod through a coupler, two ends of the screw rod are respectively provided with a nut pin which is matched with the screw rod and has opposite screwing directions of a threaded hole, the upper part of the nut pin penetrates through a hinge hole of a connecting rod at the end part of the expansion bracket and is positioned through a roller arranged at the top of the nut pin, and the roller is in rolling fit with an inverted U-shaped limit guide rail fixed on the fixed seat of the motor;
the telescopic frame is arranged on the bearing track, the telescopic frame is composed of a plurality of X-shaped connecting pieces which are hinged end to end through bearing hinge pins in sequence, the X-shaped connecting pieces are formed by hinging two connecting rods at the middle part through central hinge pins, the bearing hinge pins are arranged on the bearing track through balls at the bottoms of the bearing hinge pins and used for realizing free sliding of the telescopic frame on the bearing track, hinge holes are respectively formed in the upper end and the lower end of the central hinge pins, and guide long shafts are arranged in the hinge holes at the upper end and used for realizing directional expansion of the telescopic frame;
the pin hole in the middle of the upper part of the n-shaped frame is hinged with the hinge hole at the lower end of the central hinge pin through a pin shaft, the width of the n-shaped frame is smaller than that of the main beam partition plate, a plurality of vertically distributed positioning pin holes are respectively formed in strip-shaped plates on two sides of the n-shaped frame, a magnetic limiting pin is inserted in the positioning pin holes, and an electromagnet is fixed at the lower end of the strip-shaped plates.
Preferably, the cross section of the bearing rail is U-shaped, and the width of the bearing rail is greater than half of the length of the connecting rod.
Preferably, the length of the guide long shaft is longer than the length of the main girder cover plate of the crane.
Preferably, one end of the magnetic limiting pin is provided with a magnetic limiting cap, and the magnetic limiting cap is used for conveniently fixing the magnetic limiting pin in the positioning pin holes of the strip-shaped plates on two sides of the n-shaped frame without falling off.
The invention relates to an operation method of an automatic alignment hoisting device for a main girder partition plate of a crane, which is characterized by comprising the following specific steps:
step S1: the bearing rail in the lifting device is automatically aligned with the main beam partition board of the crane and is arranged on a lifting rack which can be lifted automatically in a workshop, and the whole device can be lifted along with the lifting rack;
step S2: lifting the crane girder partition plate to a set height by automatically aligning the lifting device, and then installing a magnetic limiting pin in corresponding positioning pin holes of strip-shaped plates at two sides of the n-shaped frame, wherein the installation position of the magnetic limiting pin is determined according to the heights of the large partition plate and the small partition plate, so that the upper ends of the large partition plate and the small partition plate are contacted with the rear lower ends of the magnetic limiting pins and are positioned on the same horizontal plane;
step S3: the large partition plate and the small partition plate with the upper ends cut with the limit grooves are sequentially arranged on the n-shaped frame, so that the limit grooves at the upper ends of the large partition plate and the small partition plate are contacted with the magnetic limit pins, and the large partition plate and the small partition plate can be ensured to be adsorbed on strip-shaped plates at two sides of the n-shaped frame without falling off after the electromagnet power supply is connected;
step S4: the motor power supply is connected through the controller, the motor is controlled to rotate for a proper number of turns to adjust the positions of the two nut pins, and then the directional movement of each connecting rod in the telescopic frame is controlled, and the n-shaped frame below the connecting rod is driven to reach a preset interval;
step S5: lowering the crane girder partition plate automatic alignment lifting device to the upper part of the crane girder cover plate, so that each large partition plate and each small partition plate lifted by the n-shaped frame are perpendicular to the crane girder cover plate, and the distances between the adjacent partition plates are equal;
step S6: and welding the large partition plates and the small partition plates with the main girder cover plate of the crane.
Compared with the prior art, the invention has the following beneficial effects: the invention can assist in completing the welding process of the main beam partition plate and the cover plate of the crane, reduces labor intensity, improves working efficiency and ensures product quality.
Drawings
FIG. 1 is a schematic view of the working state of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a schematic upper structural view of the present invention;
FIG. 4 is a schematic view of the structure of an n-shaped frame and a magnetic stop pin;
fig. 5 is a schematic structural view of a crane girder cover plate welded to a large and small partition plate.
In the figure: the device comprises a 1-motor, a 2-coupler, a 3-nut pin, a 4-lead screw, a 5-limit guide rail, a 6-n-shaped frame, a 7-magnetic limit pin, an 8-small partition plate, a 9-cover plate, a 10-large partition plate, an 11-bearing rail, a 12-guide long shaft, a 13-center hinge pin, a 14-bearing hinge pin, a 15-connecting rod, a 16-roller and a 17-electromagnet.
Detailed Description
Describing the technical scheme of the invention in detail with reference to the attached drawings, in the automatic alignment hoisting device of the crane girder clapboard, a motor 1 is arranged on a connecting plate of a bearing rail 11 through a fixed seat, an output shaft of the motor 1 is connected with a screw 4 through a coupler 2, two ends of the screw 4 are respectively provided with a nut pin 3 which is matched with the screw 4 and has opposite screw holes in rotation directions, the upper part of the nut pin 3 penetrates through a hinge hole of a connecting rod 15 at the end part of a telescopic frame and is positioned through a roller 16 arranged at the top of the nut pin 3, and the roller 16 is in rolling fit with an inverted U-shaped limiting guide rail 5 fixed on the fixed seat of the motor 1;
the telescopic frame is arranged on the bearing track 11, the telescopic frame is composed of a plurality of X-shaped connecting pieces which are hinged end to end through bearing hinge pins 14 in sequence, the X-shaped connecting pieces are formed by hinging two connecting rods 15 at the middle part through a central hinge pin 13, the bearing hinge pins 14 are arranged on the bearing track 11 through balls 16 at the bottom of the bearing hinge pins and are used for realizing free sliding of the telescopic frame on the bearing track 11, hinge holes are respectively arranged at the upper end and the lower end of the central hinge pin 13, and a guide long shaft 12 is arranged in the hinge hole at the upper end and is used for realizing directional expansion of the telescopic frame;
the pin hole in the middle of the upper part of the n-shaped frame 6 is hinged with the hinge hole at the lower end of the central connecting pin 13 through a pin shaft, the width of the n-shaped frame 6 is smaller than that of the main beam partition plate, a plurality of vertically distributed positioning pin holes are respectively formed in the strip-shaped plates on the two sides of the n-shaped frame 6, a magnetic limiting pin 7 is inserted into the positioning pin holes of the strip-shaped plates on the two sides of the n-shaped frame 6, and an electromagnet 17 is fixed at the lower end of the strip-shaped plates.
The cross section of the bearing rail 11 is U-shaped, and the width of the bearing rail 11 is larger than half of the length of the connecting rod 15; the length of the guide long shaft 12 is longer than the length of a main beam cover plate of the crane; one end of the magnetic limiting pin 7 is provided with a magnetic limiting cap which is used for conveniently fixing the magnetic limiting pin 7 in the positioning pin holes of the strip-shaped plates on two sides of the n-shaped frame 6 without falling off.
The invention relates to an operation method of an automatic alignment hoisting device for a main girder partition plate of a crane, which comprises the following specific steps:
step S1: the bearing rail in the lifting device is automatically aligned with the main beam partition board of the crane and is arranged on a lifting rack which can be lifted automatically in a workshop, and the whole device can be lifted along with the lifting rack;
step S2: lifting the crane girder partition plate automatic alignment lifting device to a set height, and then installing the magnetic limiting pins 7 in corresponding positioning pin holes of strip-shaped plates at two sides of the n-shaped frame 6, wherein the installation positions of the magnetic limiting pins 7 are determined according to the heights of the large partition plate 8 and the small partition plate 10, so that the upper ends of the large partition plate 8 and the small partition plate 10 are contacted with the rear lower ends of the magnetic limiting pins 7 and are positioned on the same horizontal plane;
step S3: the large partition plate 8 and the small partition plate 10 with limit grooves cut at the upper ends are sequentially arranged on the n-shaped frame 6, so that the limit grooves at the upper ends are contacted with the magnetic limit pins 7, and the power supply of the electromagnet 17 is connected to ensure that the large partition plate 8 and the small partition plate 10 are adsorbed on strip-shaped plates at two sides of the n-shaped frame 6 and do not fall off;
step S4: the motor power supply is connected through the controller, and the motor 1 is controlled to rotate for a proper number of turns to adjust the positions of the two nut pins 3, so that the directional movement of each connecting rod 15 in the telescopic frame is controlled, and the n-shaped frame 6 below the connecting rod 15 is driven to reach a preset distance;
step S5: lowering the crane girder partition plate automatic alignment lifting device to the upper part of the crane girder cover plate 9, so that each large partition plate 8 and each small partition plate 10 lifted by the n-shaped frame 6 are perpendicular to the crane girder cover plate 9, and the distances between the adjacent partition plates are equal;
step S6: and welding the large partition plates 8 and the small partition plates 10 with the main girder cover plate 9 of the crane.
While the basic principles of the invention have been shown and described, there are various changes and modifications to the invention, which fall within the scope of the invention as hereinafter claimed, without departing from the spirit and scope of the invention.
Claims (2)
1. Automatic aligning hoist device of hoist girder baffle, its characterized in that: the motor is arranged on a connecting plate of the bearing track through a fixed seat, an output shaft of the motor is connected with a screw rod through a coupler, two ends of the screw rod are respectively provided with a nut pin which is matched with the screw rod and has opposite screwing directions of a threaded hole, the upper part of the nut pin penetrates through a hinge hole of a connecting rod at the end part of the expansion bracket and is positioned through a roller arranged at the top of the nut pin, and the roller is in rolling fit with an inverted U-shaped limit guide rail fixed on the fixed seat of the motor;
the telescopic frame is arranged on the bearing track, the telescopic frame is composed of a plurality of X-shaped connecting pieces which are hinged end to end through bearing hinge pins in sequence, the X-shaped connecting pieces are formed by hinging two connecting rods at the middle part through central hinge pins, the bearing hinge pins are arranged on the bearing track through balls at the bottoms of the bearing hinge pins and used for realizing free sliding of the telescopic frame on the bearing track, hinge holes are respectively formed in the upper end and the lower end of the central hinge pins, and guide long shafts are arranged in the hinge holes at the upper end and used for realizing directional expansion of the telescopic frame;
the pin hole in the middle of the upper part of the n-shaped frame is hinged with the hinge hole at the lower end of the central hinge pin, the width of the n-shaped frame is smaller than that of the main beam partition plate, a plurality of vertically distributed positioning pin holes are respectively formed in strip-shaped plates on two sides of the n-shaped frame, a magnetic limiting pin is inserted in the positioning pin holes, and an electromagnet is fixed at the lower end of the strip-shaped plates;
the cross section of the bearing track is U-shaped, the width of the bearing track is larger than half of the length of the connecting rod, the length of the guide long shaft is larger than the length of the main girder cover plate of the crane, and one end of the magnetic limiting pin is provided with a magnetic limiting cap which is used for conveniently fixing the magnetic limiting pin in the positioning pin holes of the strip-shaped plates on two sides of the n-shaped frame without falling off.
2. An operating method of the crane girder spacer automatic alignment hoisting device as claimed in claim 1, characterized by comprising the following specific steps:
step S1: the bearing rail in the lifting device is automatically aligned with the main beam partition board of the crane and is arranged on a lifting rack which can be lifted automatically in a workshop, and the whole device can be lifted along with the lifting rack;
step S2: lifting the crane girder partition plate to a set height by automatically aligning the lifting device, and then installing a magnetic limiting pin in corresponding positioning pin holes of strip-shaped plates at two sides of the n-shaped frame, wherein the installation position of the magnetic limiting pin is determined according to the heights of the large partition plate and the small partition plate, so that the upper ends of the large partition plate and the small partition plate are contacted with the rear lower ends of the magnetic limiting pins and are positioned on the same horizontal plane;
step S3: the large partition plate and the small partition plate with the upper ends cut with the limit grooves are sequentially arranged on the n-shaped frame, so that the limit grooves at the upper ends of the large partition plate and the small partition plate are contacted with the magnetic limit pins, and the large partition plate and the small partition plate can be ensured to be adsorbed on strip-shaped plates at two sides of the n-shaped frame without falling off after the electromagnet power supply is connected;
step S4: the motor power supply is connected through the controller, the motor is controlled to rotate for a proper number of turns to adjust the positions of the two nut pins, and then the directional movement of each connecting rod in the telescopic frame is controlled, and the n-shaped frame below the connecting rod is driven to reach a preset interval;
step S5: lowering the crane girder partition plate automatic alignment lifting device to the upper part of the crane girder cover plate, so that each large partition plate and each small partition plate lifted by the n-shaped frame are perpendicular to the crane girder cover plate, and the distances between the adjacent partition plates are equal;
step S6: and welding the large partition plates and the small partition plates with the main girder cover plate of the crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910275610.5A CN109822280B (en) | 2019-04-08 | 2019-04-08 | Automatic alignment hoisting device for main beam partition plate of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910275610.5A CN109822280B (en) | 2019-04-08 | 2019-04-08 | Automatic alignment hoisting device for main beam partition plate of crane |
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| Publication Number | Publication Date |
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| CN109822280A CN109822280A (en) | 2019-05-31 |
| CN109822280B true CN109822280B (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910275610.5A Active CN109822280B (en) | 2019-04-08 | 2019-04-08 | Automatic alignment hoisting device for main beam partition plate of crane |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20010056351A (en) * | 1999-12-15 | 2001-07-04 | 김형벽ㅂ | Fit-up Equipment for Panel Rib applied to Bridge and Off shore Steel structure components |
| KR101148155B1 (en) * | 2012-03-09 | 2012-05-23 | (주) 백상엔지니어링 | Jig apparatus for rail welding and rail welding method using the same |
| CN104150203A (en) * | 2014-08-07 | 2014-11-19 | 山东大学 | Stone plate gantry type automatic feeding and discharging device and method |
| CN107309587A (en) * | 2017-07-05 | 2017-11-03 | 庆铃汽车（集团）有限公司 | A kind of frock for robot welding white body |
| CN107934766A (en) * | 2017-12-25 | 2018-04-20 | 浙江邦博机械有限公司 | A kind of main beam structure of more fulcrum suspension cranes |
| CN108032028A (en) * | 2017-12-24 | 2018-05-15 | 江苏恒高电气制造有限公司 | High accuracy easily adjusts large-diameter pipeline and flange welding fixing device |
-
2019
- 2019-04-08 CN CN201910275610.5A patent/CN109822280B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010056351A (en) * | 1999-12-15 | 2001-07-04 | 김형벽ㅂ | Fit-up Equipment for Panel Rib applied to Bridge and Off shore Steel structure components |
| KR101148155B1 (en) * | 2012-03-09 | 2012-05-23 | (주) 백상엔지니어링 | Jig apparatus for rail welding and rail welding method using the same |
| CN104150203A (en) * | 2014-08-07 | 2014-11-19 | 山东大学 | Stone plate gantry type automatic feeding and discharging device and method |
| CN107309587A (en) * | 2017-07-05 | 2017-11-03 | 庆铃汽车（集团）有限公司 | A kind of frock for robot welding white body |
| CN108032028A (en) * | 2017-12-24 | 2018-05-15 | 江苏恒高电气制造有限公司 | High accuracy easily adjusts large-diameter pipeline and flange welding fixing device |
| CN107934766A (en) * | 2017-12-25 | 2018-04-20 | 浙江邦博机械有限公司 | A kind of main beam structure of more fulcrum suspension cranes |
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| CN109822280A (en) | 2019-05-31 |
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