CN113199199B - High-precision splicing fixture device for oil-gas pipeline welding and splicing method thereof - Google Patents

High-precision splicing fixture device for oil-gas pipeline welding and splicing method thereof Download PDF

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Publication number
CN113199199B
CN113199199B CN202110626080.1A CN202110626080A CN113199199B CN 113199199 B CN113199199 B CN 113199199B CN 202110626080 A CN202110626080 A CN 202110626080A CN 113199199 B CN113199199 B CN 113199199B
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side wall
oil
gear
gas pipeline
workbench
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CN113199199A (en
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付海林
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Suzhou Industrial Park Deyanfu Machinery Equipment Co ltd
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Suzhou Industrial Park Deyanfu Machinery Equipment Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor

Abstract

The invention discloses a high-precision splicing fixture device for welding an oil-gas pipeline, which comprises a workbench, a fixture mechanism and a driving mechanism, wherein the fixture mechanism is arranged on the inner side wall of the workbench; the clamp mechanism comprises an outer end cover, five rocker arms, an inner sleeve and five calipers; the outer surface of the inner sleeve is welded in the workbench, the inner sleeve and the outer end cover are in a coaxial relationship, and the outer surface of the rocker arm is hinged with the inner side wall of the caliper through a pin shaft; according to the invention, through mechanical linkage and mutual cooperation between the clamp mechanism and the driving mechanism, multiple groups of calipers can be synchronously and annularly driven in the actual use process, so that accurate centering clamping and fixing of an oil-gas pipeline are realized, the coaxiality requirement is met, and the redundant error phenomenon caused by the traditional servo centering system is avoided.

Description

High-precision splicing fixture device for oil-gas pipeline welding and splicing method thereof
Technical Field
The invention relates to the technical field of pipeline welding clamps, in particular to a high-precision splicing clamp device for oil-gas pipeline welding and a splicing method thereof.
Background
When the welding process of the shaft head of the oil-gas pipeline and the shaft head of the oil-gas pipeline is carried out, the coaxiality of the oil-gas pipeline and the shaft head needs to be ensured, and the coaxiality tolerance is eliminated as much as possible, however, no matter manual visual inspection and manual measurement are carried out, or electromechanical integrated equipment driven by a servo system is used, the coaxiality can be caused, the error of the coaxiality is large, and the inevitable error caused by the redundancy of the servo system cannot be ensured by the coaxiality of the oil-gas pipeline and the shaft head;
therefore, if a pure mechanical transmission system is used for realizing synchronous clamping, the technological effect and the service life of the oil and gas pipeline at the present stage can be effectively improved.
Therefore, a high-precision splicing fixture device for oil-gas pipeline welding and a splicing method thereof are provided.
Disclosure of Invention
In view of this, embodiments of the present invention provide a high-precision splicing jig device for welding an oil and gas pipeline and a splicing method thereof, so as to solve or alleviate technical problems in the prior art, and provide at least one useful choice;
the technical scheme of the embodiment of the invention is realized as follows: a high-precision splicing fixture device for welding an oil and gas pipeline comprises a workbench, a fixture mechanism and a driving mechanism, wherein the fixture mechanism is arranged on the inner side wall of the workbench;
the clamp mechanism comprises an outer end cover, five rocker arms, an inner sleeve and five calipers;
the outer surface of the inner sleeve is welded inside the workbench, the inner sleeve and the outer end cover are in a coaxial relationship, the outer surface of the rocker arm is hinged to the inner side wall of the caliper through a pin shaft, and the upper surface and the lower surface of the caliper are respectively hinged to the top of the inner side wall of the outer end cover and the outer part of a boss of the inner sleeve through pin shafts;
the driving mechanism is arranged in the workbench and comprises a second gear, a rack and a transmission shaft;
the inside wall of second gear with the surface weld of transmission shaft, the surface of transmission shaft pass through the bearing with the inside wall of frame rotates and is connected, the surface weld of frame in the inside wall of workstation.
As further preferable in the present technical solution: the clamp mechanism further comprises a double-faced gear ring and five first gears;
the bottom of the first gear is hinged to the top of the rocker arm through a pin shaft, gear teeth of the first gear are meshed with inner gear teeth of the double-faced gear ring, and gear teeth of the second gear are meshed with outer gear teeth of the double-faced gear ring.
As further preferable in the present technical solution: the clamp mechanism further comprises five second servo motors and five auxiliary nipper plates;
the outer portion of the second servo motor is installed on the inner side wall of the caliper, an output shaft of the second servo motor is fixedly connected with the inner side wall of the auxiliary nipper, and the outer surface of the auxiliary nipper is matched with the inner side wall of the caliper.
As further preferable in the present technical solution: the bottom of rocking arm is connected with the gyro wheel through round pin axle rotation, the spout has been seted up to the surface of inner skleeve, the spout with the surface looks adaptation of gyro wheel.
As further preferable in the present technical solution: the driving mechanism further comprises a driven belt wheel, a transmission belt, a driving belt wheel, a connecting frame and a first servo motor;
the outer surface of the connecting frame is welded inside the workbench, the upper portion of the first servo motor is installed on the lower portion of the connecting frame, an output shaft of the first servo motor is fixedly connected with the inner side wall of the driving belt wheel, the driving belt wheel and the driven belt wheel are in a belt transmission relationship through the transmission belt, and the inner side wall of the driven belt wheel is welded to the outer surface of the transmission shaft.
As further preferable in the present technical solution: the front surface of the workbench is provided with a controller.
In addition, the invention also provides a splicing method of the high-precision splicing fixture device for oil-gas pipeline welding, which comprises the following steps:
s1, arranging an oil-gas pipeline in an outer end cover and an inner sleeve, and starting a controller;
s2, starting a driving mechanism by a controller to work, wherein in the driving mechanism, a first servo motor outputs torque to a second gear after the torque passes through a belt transmission system consisting of a driving belt wheel, a transmission belt and a driven belt wheel and the transmission ratio is improved, so that a clamp mechanism is driven;
s3, in the clamp mechanism, the double-sided gear ring meshed with the second gear is synchronously meshed with five groups of first gears, so that the rocker arms are driven to transmit shearing force, and the five groups of rocker arms synchronously pull the corresponding caliper clamp oil-gas pipelines;
and S4, after each group of calipers is fixed, the corresponding second servo motor drives the auxiliary nipper to shorten the clamping fixing distance.
As further preferable in the present technical solution: in S3, the five groups of rocker arms synchronously pull the corresponding calipers to fix the oil-gas pipeline, and the calipers carry out virtual constraint by the outer end cover and the lug boss during the process
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through mechanical linkage and mutual cooperation between the clamp mechanism and the driving mechanism, multiple groups of calipers can be synchronously and annularly driven in the actual use process, so that accurate centering and clamping of an oil-gas pipeline are realized, the coaxiality requirement is met, and the redundant error phenomenon caused by the traditional servo centering system is avoided;
2. according to the invention, through mechanical linkage and mutual cooperation between the clamp mechanism and the driving mechanism, multiple groups of calipers can be synchronously and annularly driven in the actual use process, the self-adaptive clamping effect and matching effect improvement can be realized when oil-gas pipes with different outer diameters are used, and the actual use requirements and the applicability requirements can be effectively met.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the clamping mechanism and the driving mechanism of the present invention;
FIG. 3 is a schematic view of the fixture mechanism and the driving mechanism of the present invention from a bottom perspective;
FIG. 4 is a schematic bottom perspective view of the driving mechanism of the present invention;
FIG. 5 is a perspective view of the clamping mechanism of the present invention;
FIG. 6 is a schematic perspective view of a clamping mechanism according to the present invention;
FIG. 7 is a perspective view of the caliper of the present invention.
Reference numerals: 1. a work table; 101. a controller; 2. a clamp mechanism; 201. an outer end cover; 202. a double-sided gear ring; 203. a first gear; 204. a rocker arm; 2041. a roller; 205. an inner sleeve; 2051. a boss; 2052. a chute; 206. a caliper; 2061. a second servo motor; 2062. an auxiliary nipper; 3. a drive mechanism; 301. a second gear; 302. a frame; 303. a drive shaft; 304. a driven pulley; 3041. a transmission belt; 3042. a driving pulley; 305. a connecting frame; 306. a first servo motor.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Examples
Referring to fig. 1-7, the present invention provides a technical solution: a high-precision splicing fixture device for welding an oil-gas pipeline comprises a workbench 1, a fixture mechanism 2 and a driving mechanism 3, wherein the fixture mechanism 2 is arranged on the inner side wall of the workbench 1;
the clamp mechanism 2 comprises an outer end cap 201, five rocker arms 204, an inner sleeve 205 and five calipers 206;
the outer surface of the inner sleeve 205 is welded inside the workbench 1, the inner sleeve 205 and the outer end cover 201 are in a coaxial relationship, the outer surface of the rocker arm 204 is hinged with the inner side wall of the caliper 206 through a pin shaft, and the upper surface and the lower surface of the caliper 206 are respectively hinged with the top of the inner side wall of the outer end cover 201 and the outer part of the boss 2051 of the inner sleeve 205 through a pin shaft;
the driving mechanism 3 is arranged inside the workbench 1, and the driving mechanism 3 comprises a second gear 301, a frame 302 and a transmission shaft 303;
the inner side wall of the second gear 301 is welded with the outer surface of the transmission shaft 303, the outer surface of the transmission shaft 303 is rotatably connected with the inner side wall of the frame 302 through a bearing, and the outer surface of the frame 302 is welded on the inner side wall of the workbench 1.
In this embodiment, specifically: the clamp mechanism 2 further includes a double-sided ring gear 202 and five first gears 203;
the bottom of the first gear 203 is hinged with the top of the rocker arm 204 through a pin shaft, the gear teeth of the first gear 203 are meshed with the inner gear teeth of the double-sided gear ring 202, and the gear teeth of the second gear 301 are meshed with the outer gear teeth of the double-sided gear ring 202;
the second gear 301 is responsible for driving the double-sided gear ring 202 to rotate from the outside, and the double-sided gear ring 202 is meshed with the first gear 203 to transmit torque.
In this embodiment, specifically: the clamp mechanism 2 further includes five second servo motors 2061 and five auxiliary nipper plates 2062;
the outside of the second servo motor 2061 is mounted on the inner side wall of the caliper 206, the output shaft of the second servo motor 2061 is fixedly connected with the inner side wall of the auxiliary nipper 2062, and the outer surface of the auxiliary nipper 2062 is matched with the inner side wall of the caliper 206;
after each set of calipers 206 is fixed in position, the corresponding second servo motor 2061 drives the auxiliary nipper 2062 to shorten the nipper fixing interval.
In this embodiment, specifically: the bottom of the rocker arm 204 is rotatably connected with a roller 2041 through a pin shaft, the outer surface of the inner sleeve 205 is provided with a chute 2052, and the chute 2052 is matched with the outer surface of the roller 2041;
when the double-sided gear ring 202 meshed with the second gear 301 is synchronously meshed with the five groups of first gears 203, so that the rocker arm 204 is driven to transmit shearing force, and the rocker arm 204 is displaced, the roller 2041 and the sliding groove 2052 of the inner sleeve 205 are responsible for providing supporting force for the bottom.
In this embodiment, specifically: the driving mechanism 3 further includes a driven pulley 304, a transmission belt 3041, a driving pulley 3042, a connecting frame 305, and a first servo motor 306;
the outer surface of the connecting frame 305 is welded inside the workbench 1, the upper part of the first servo motor 306 is installed at the lower part of the connecting frame 305, the output shaft of the first servo motor 306 is fixedly connected with the inner side wall of the driving pulley 3042, the driving pulley 3042 establishes a belt transmission relationship with the driven pulley 304 through a transmission belt 3041, and the inner side wall of the driven pulley 304 is welded with the outer surface of the transmission shaft 303;
in the driving mechanism 3, the first servomotor 306 transmits the torque to the second gear 301 through a belt transmission system composed of a driving pulley 3042, a transmission belt 3041, and a driven pulley 304, and improves the transmission ratio, thereby driving the clamp mechanism 2.
In this embodiment, specifically: the front surface of the worktable 1 is provided with a controller 101; the controller 101 is responsible for controlling the start and stop of all the power elements.
In addition, the invention also provides a splicing method of the high-precision splicing fixture device for oil-gas pipeline welding, which comprises the following steps:
s1, arranging an oil-gas pipeline in an outer end cover 201 and an inner sleeve 205, and starting a controller 101;
s2, the controller 101 starts the driving mechanism 3 to work, in the driving mechanism 3, the first servo motor 306 outputs torque to the second gear 301 after the transmission ratio is improved through a belt transmission system consisting of a driving belt wheel 3042, a transmission belt 3041 and a driven belt wheel 304, and then the clamp mechanism 2 is driven;
s3, in the clamp mechanism 2, the double-sided gear ring 202 meshed by the second gear 301 is synchronously meshed with the five groups of first gears 203, so that the rocker arms 204 are driven to transmit shearing force, and the five groups of rocker arms 204 synchronously pull the corresponding calipers 206 to clamp oil and gas pipelines;
s4, after each group of calipers 206 are fixed, the corresponding second servo motor 2061 drives the auxiliary clamp plate 2062 to shorten the clamp fixing distance.
In this embodiment, specifically: in S3, the five sets of rocker arms 204 pull the corresponding calipers 206 synchronously to clamp the oil and gas pipelines, while the calipers 206 are virtually constrained by the outer end caps 201 and the bosses 2051.
Working principle or structural principle: according to the invention, through mechanical linkage and mutual cooperation between the clamp mechanism 2 and the driving mechanism 3, the plurality of groups of calipers 206 can be synchronously and annularly driven in the actual use process, so that accurate centering and clamping of an oil-gas pipeline are realized, the requirement on coaxiality is met, and the redundant error phenomenon caused by the traditional servo centering system is avoided;
according to the invention, through mechanical linkage and mutual cooperation between the clamp mechanism 2 and the driving mechanism 3, the plurality of sets of calipers 206 can be synchronously and annularly driven in the actual use process, the self-adaption improvement of the clamping effect and the matching effect can be realized when aiming at oil-gas pipes with different outer diameters, and the actual use requirement and the applicability requirement can be effectively met.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (5)

1. The utility model provides an oil gas pipeline welding is with high accuracy concatenation fixture device, includes workstation (1), fixture mechanism (2) and actuating mechanism (3), its characterized in that: the clamp mechanism (2) is arranged on the inner side wall of the workbench (1);
the clamp mechanism (2) comprises an outer end cover (201), five rocker arms (204), an inner sleeve (205) and five calipers (206);
the outer surface of the inner sleeve (205) is welded inside the workbench (1), the inner sleeve (205) and the outer end cover (201) are in a coaxial relationship, the outer surface of the rocker arm (204) is hinged to the inner side wall of the caliper (206) through a pin shaft, and the upper surface and the lower surface of the caliper (206) are respectively hinged to the top of the inner side wall of the outer end cover (201) and the outer part of a boss (2051) of the inner sleeve (205) through a pin shaft;
the driving mechanism (3) is installed inside the workbench (1), and the driving mechanism (3) comprises a second gear (301), a rack (302) and a transmission shaft (303);
the inner side wall of the second gear (301) is welded with the outer surface of the transmission shaft (303), the outer surface of the transmission shaft (303) is rotatably connected with the inner side wall of the rack (302) through a bearing, and the outer surface of the rack (302) is welded on the inner side wall of the workbench (1);
the clamp mechanism (2) further comprises a double-faced gear ring (202) and five first gears (203);
the bottom of the first gear (203) is hinged with the top of the rocker arm (204) through a pin shaft, gear teeth of the first gear (203) are meshed with inner gear teeth of the double-sided gear ring (202), and gear teeth of the second gear (301) are meshed with outer gear teeth of the double-sided gear ring (202);
the clamp mechanism (2) further comprises five second servo motors (2061) and five auxiliary nipper plates (2062);
the outside of the second servo motor (2061) is mounted on the inner side wall of the caliper (206), the output shaft of the second servo motor (2061) is fixedly connected with the inner side wall of the auxiliary nipper (2062), and the outer surface of the auxiliary nipper (2062) is matched with the inner side wall of the caliper (206);
the bottom of the rocker arm (204) is rotatably connected with a roller (2041) through a pin shaft, a sliding groove (2052) is formed in the outer surface of the inner sleeve (205), and the sliding groove (2052) is matched with the outer surface of the roller (2041).
2. The high-precision splicing fixture device for oil and gas pipeline welding according to claim 1, characterized in that: the driving mechanism (3) further comprises a driven belt wheel (304), a transmission belt (3041), a driving belt wheel (3042), a connecting frame (305) and a first servo motor (306);
the outer surface of the connecting frame (305) is welded inside the workbench (1), the upper part of the first servo motor (306) is installed at the lower part of the connecting frame (305), the output shaft of the first servo motor (306) is fixedly connected with the inner side wall of the driving pulley (3042), the driving pulley (3042) establishes a belt transmission relationship with the driven pulley (304) through the transmission belt (3041), and the inner side wall of the driven pulley (304) is welded with the outer surface of the transmission shaft (303).
3. The high-precision splicing fixture device for oil and gas pipeline welding according to claim 1, characterized in that: the front surface of the workbench (1) is provided with a controller (101).
4. The splicing method of the high-precision splicing jig device for oil and gas pipeline welding according to any one of claims 1 to 3, characterized by comprising the steps of:
s1, arranging an oil-gas pipeline in an outer end cover (201) and an inner sleeve (205), and starting a controller (101);
s2, starting a driving mechanism (3) by a controller (101) to start working, wherein in the driving mechanism (3), a first servo motor (306) enables torque to pass through a belt transmission system consisting of a driving belt wheel (3042), a transmission belt (3041) and a driven belt wheel (304), the transmission ratio is improved, and then the torque is output to a second gear (301) so as to drive a clamp mechanism (2);
s3, in the clamp mechanism (2), the double-sided gear ring (202) meshed with the second gear (301) is synchronously meshed with five groups of first gears (203), so that the rocker arms (204) are driven to transmit shearing force, and the five groups of rocker arms (204) synchronously pull the corresponding calipers (206) to fix oil and gas pipelines;
s4, after each group of calipers (206) are fixed, the corresponding second servo motor (2061) drives the auxiliary clamping plate (2062) to shorten the clamping distance.
5. The splicing method of the high-precision splicing fixture device for oil and gas pipeline welding according to claim 4, characterized in that: in the S3, five groups of rocker arms (204) synchronously pull corresponding calipers (206) to clamp the oil and gas pipelines, and the calipers (206) are subjected to virtual constraint by the outer end cover (201) and the boss (2051).
CN202110626080.1A 2021-06-04 2021-06-04 High-precision splicing fixture device for oil-gas pipeline welding and splicing method thereof Active CN113199199B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110626080.1A CN113199199B (en) 2021-06-04 2021-06-04 High-precision splicing fixture device for oil-gas pipeline welding and splicing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110626080.1A CN113199199B (en) 2021-06-04 2021-06-04 High-precision splicing fixture device for oil-gas pipeline welding and splicing method thereof

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CN113199199B true CN113199199B (en) 2022-11-18

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202070923U (en) * 2011-02-25 2011-12-14 天津聚贤投资有限公司 Steel tube clamping mechanism
RU2696984C1 (en) * 2018-11-12 2019-08-08 Общество с ограниченной ответственностью "ВелдАП" Device for orbital treatment of non-revolving joints and ends of pipes
CN210060442U (en) * 2019-05-27 2020-02-14 合肥百恒设备模具有限公司 Fixing support for automobile part machining cutter set
CN210789290U (en) * 2019-09-10 2020-06-19 苏州跃尔瀚机械科技有限公司 Clamping device for lathe
CN213003448U (en) * 2020-08-31 2021-04-20 武汉鼎泰封头制造有限公司 Automatic welding workbench for water connection pipe of central air conditioner

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