CN114619665B - Layered traction rotation center of circular arc motion trailer system - Google Patents

Layered traction rotation center of circular arc motion trailer system Download PDF

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Publication number
CN114619665B
CN114619665B CN202210117516.9A CN202210117516A CN114619665B CN 114619665 B CN114619665 B CN 114619665B CN 202210117516 A CN202210117516 A CN 202210117516A CN 114619665 B CN114619665 B CN 114619665B
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China
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trailer
traction
fixedly arranged
rotary
rotary bearing
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CN114619665A (en
Inventor
宋泽宇
刘洁琼
宁希高
李英明
程智
宋泽朝
高西平
张志阳
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Henan Xinkaiyuan Petrochemical Pipeline Co ltd
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Henan Xinkaiyuan Petrochemical Pipeline Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • B29C63/04Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like
    • B29C63/08Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like by winding helically
    • B29C63/10Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like by winding helically around tubular articles

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Transmission Devices (AREA)

Abstract

The invention belongs to the technical field of layered rotation centers of circular arc motion trailers, and relates to a layered traction rotation center of a circular arc motion trailer system, wherein fixing lugs are fixedly arranged at middle positions of inner bottoms of a first trailer, a second trailer, a third trailer and a fourth trailer; the traction rotation center is fixedly arranged at the upper part of the bottom plate; the displacement device is fixedly arranged at the bottom of the bottom plate. The invention realizes the self-adaptive adjustment of the circular arc movement radius of the trailer system, improves the stability of the circular arc movement of the trailer system and reduces the fluctuation and play; the flexibility of the trailer system is improved, the winding accuracy of the anti-corrosion adhesive tape of the bent pipe is improved, and the winding quality of the anti-corrosion adhesive tape of the bent pipe is improved.

Description

Layered traction rotation center of circular arc motion trailer system
Technical Field
The invention belongs to the technical field of layered rotation centers of circular arc motion trailers, and particularly relates to a layered traction rotation center of a circular arc motion trailer system.
Background
The circular arc motion trailer system is mainly used for dragging the circular arc motion of the bent pipe in the winding process of the anti-corrosion adhesive tape of the bent pipe, and realizes the technical process that the circular arc motion of the bent pipe is matched with the winding disc of the anti-corrosion adhesive tape from one end of the bent pipe to the other end of the bent pipe in the winding process of the anti-corrosion adhesive tape of the bent pipe. The anti-corrosion adhesive tape is wound on the surface of the bent pipe mainly to improve the anti-corrosion performance of the surface of the bent pipe and prolong the service life of the bent pipe.
In the prior art, the main technical problems of the rotation center for the trailer for towing a plurality of support fixed bent pipes are as follows: 1. the device can only realize the rotation of the device, can not enable the traction rotation center to be displaced, and can not realize the adjustment of the circular arc movement radius of the trailer system. 2. In the process of dragging the arc motion of the bent pipe by utilizing the trailer system of the bent pipe, as the ground flatness is different, larger fluctuation play exists in the whole process of dragging the arc motion of the bent pipe by utilizing the trailer system of the bent pipe, so that the stability of the bent pipe is affected; 3. under the condition that the traction rotation center can not be displaced, the plurality of trailers are fixedly connected with the traction rotation center through the hydraulic traction rod, so that the traction rotation center and the trailer connection angle are fixed at opposite positions, the flexibility of the whole trailer system is insufficient, and accurate winding of the bent pipe anti-corrosion adhesive tape is not facilitated. The inventor develops a layered traction rotation center of the circular arc motion trailer system based on the defects in the prior art, and can well solve the problems in the prior art.
Disclosure of Invention
In order to solve the technical problems, the invention provides the layered traction rotation center of the circular arc motion trailer system, which is scientific and reasonable in structural design, and realizes the adaptive transformation of the traction rotation center and the trailer connection angle due to the ground flatness. On the basis of the original traction rotation center, the invention is provided with a plurality of layers of rotation bearings, and the trailers are respectively and fixedly connected to different rotation bearings through hydraulic traction rods; meanwhile, a longitudinal displacement device is arranged at the bottom of the traction rotation center, so that the longitudinal position of the traction rotation center moves; the problem that the arc movement radius of the trailer system cannot be adjusted is solved, the problem that fluctuation and play are large, stable and poor in the arc movement process of dragging the bent pipe by the whole trailer system is solved, and the problem that the flexibility of the whole trailer system is insufficient and precise winding of the anti-corrosion adhesive tape of the bent pipe is not facilitated is also solved.
The technical scheme adopted by the invention is as follows: a layered traction rotation center of an arc motion trailer system comprises a trailer, a first trailer, a second trailer, a third trailer and a fourth trailer; the trailer is divided into a first trailer, a second trailer, a third trailer and a fourth trailer; the middle positions of the bottoms of the inner sides of the first trailer, the second trailer, the third trailer and the fourth trailer are fixedly provided with fixing lugs, the first trailer is fixedly connected with the left end of the first hydraulic traction rod through the fixing lugs, the second trailer is fixedly connected with the left end of the second hydraulic traction rod through the fixing lugs, the third trailer is fixedly connected with the right end of the third hydraulic traction rod through the fixing lugs, and the fourth trailer is fixedly connected with the right end of the fourth hydraulic traction rod through the fixing lugs; the traction rotary center is fixedly arranged on the upper part of the bottom plate, the traction rotary center comprises a traction lug, the rotary cylinder is fixedly arranged on the upper part of the bottom plate, the first rotary bearing is fixedly arranged on the upper part of the rotary cylinder, the second rotary bearing is fixedly arranged on the lower part of the first rotary bearing, the third rotary bearing is fixedly arranged on the lower part of the second rotary bearing, and the first rotary bearing, the second rotary bearing and the inner ring of the third rotary bearing are fixedly arranged on the outer surface of the rotary cylinder; the traction lugs are uniformly arranged on the outer rings of the first slewing bearing, the second slewing bearing and the third slewing bearing; the right end of the first hydraulic traction rod is fixedly connected with a traction lug on the third rotary bearing, the right end of the second hydraulic traction rod is fixedly connected with a traction lug on the second rotary bearing, the left end of the third hydraulic traction rod is fixedly connected with a traction lug on the first rotary bearing, and the left end of the fourth hydraulic traction rod is fixedly connected with a traction lug on the third rotary bearing; the displacement device is fixedly arranged at the bottom position of the bottom plate and is used for adjusting the longitudinal position of the traction rotation center.
The trailer comprises a trailer frame, wherein the trailer frame is of a cuboid structure, and moving wheels for enabling the trailer frame to move in an arc mode are fixedly arranged at four corners of the bottom of the trailer frame.
The traction lug is of an outer arc-shaped U-shaped structure, and a through hole penetrating through the traction lug body is formed in the transverse direction of the traction lug.
The outer surface of the rotary cylinder is provided with 3-6 rotary bearings from top to bottom.
The displacement device comprises a displacement device body, wherein the displacement device body is of a cuboid structure, a rectangular displacement space is longitudinally formed in the upper portion of the displacement device body, a cross-shaped empty slot is formed in the bottom of the rectangular displacement space, a first sliding slot body and a second sliding slot body are formed in the rectangular displacement space and the upper portion of the cross-shaped empty slot, the first sliding slot body is arranged at the left side position, close to the upper portion, of the displacement device body, and the second sliding slot body is fixedly arranged at the right side position, corresponding to the first sliding slot body; the whole body at the middle position of the first sliding groove body and the second sliding groove body is provided with a sliding groove; the sliding blocks are fixedly arranged at the left side and the right side of the bottom plate and are arranged in the sliding grooves; the strip-shaped displacement groove is longitudinally and fixedly arranged on the right side wall of the upper part of the displacement device body and is used for enabling the motor mounting plate to move in the strip-shaped displacement groove; the left end of motor mounting panel with the right-hand member fixed connection of bottom plate, the motor is fixed to be set up on the motor mounting panel, and the power take off shaft of motor passes the center of motor mounting panel extends to the bottom of motor mounting panel, and drive gear is fixed to be set up in the bottom position of motor power take off shaft, and driven rack is fixed to be set up the right side position in bar displacement groove.
The sliding groove is in an inverted T shape, and the sliding block is in an inverted T shape; the height of the strip-shaped displacement groove is higher than the bottom of the rectangular displacement space.
The driving gear is tightly contacted and meshed with the driven rack; the upper part of the driven rack is level with the bottom of the strip-shaped displacement groove.
The layered traction rotation center of the circular arc motion trailer system has the working process that: the bent pipe is fixed at the middle position of the upper parts of the trailer I, the trailer II, the trailer III and the trailer IV, the bent pipe is supported by the trailer I, the trailer II, the trailer III and the trailer IV under the pushing of driving force, and the circular arc motion of the bent pipe is always kept on a motion plane by the rotary cooperation of the self-expansion force of the hydraulic traction rod I, the hydraulic traction rod II, the hydraulic traction rod III and the hydraulic traction rod IV and the rotary bearing I, the rotary bearing II and the rotary bearing III under the rotary traction of the hydraulic traction rod I, the hydraulic traction rod II, the trailer III and the trailer IV and the rotary center of traction under the condition of uneven ground. When the arc movement radius of the bent pipe needs to be adjusted when the bent pipe with different curvatures faces, the longitudinal position of the traction rotation center is adjusted, and the specific process is as follows: the motor is started, the driving gear is driven to rotate under the forward rotation or reverse rotation action of the power output shaft of the motor, the motor mounting plate, the motor and the driving gear move back and forth along the strip-shaped displacement groove by utilizing the meshing action of the driving gear and the driven rack, the bottom plate is driven to realize the displacement of the front and back positions through the relative sliding action of the sliding block and the sliding groove under the driving action of the back and forth movement of the motor mounting plate, and finally the traction rotation center is driven to realize the front and back displacement movement on the rectangular displacement space, so that the aim of reducing the radius of the arc movement of the bent pipe is finally realized.
The middle positions of the bottoms of the inner sides of the first trailer, the second trailer, the third trailer and the fourth trailer are fixedly provided with fixing lugs, the first trailer is fixedly connected with the left end of the first hydraulic traction rod through the fixing lugs, the second trailer is fixedly connected with the left end of the second hydraulic traction rod through the fixing lugs, the third trailer is fixedly connected with the right end of the third hydraulic traction rod through the fixing lugs, and the fourth trailer is fixedly connected with the right end of the fourth hydraulic traction rod through the fixing lugs; the traction rotary center is fixedly arranged on the upper part of the bottom plate, the traction rotary center comprises a traction lug, the rotary cylinder is fixedly arranged on the upper part of the bottom plate, the first rotary bearing is fixedly arranged on the upper part of the rotary cylinder, the second rotary bearing is fixedly arranged on the lower part of the first rotary bearing, the third rotary bearing is fixedly arranged on the lower part of the second rotary bearing, and the first rotary bearing, the second rotary bearing and the inner ring of the third rotary bearing are fixedly arranged on the outer surface of the rotary cylinder; the traction lugs are uniformly arranged on the outer rings of the first slewing bearing, the second slewing bearing and the third slewing bearing; the right end of the first hydraulic traction rod is fixedly connected with the traction lug on the third rotary bearing, the right end of the second hydraulic traction rod is fixedly connected with the traction lug on the second rotary bearing, the left end of the third hydraulic traction rod is fixedly connected with the traction lug on the first rotary bearing, and the left end of the fourth hydraulic traction rod is fixedly connected with the traction lug on the third rotary bearing. The main purpose of this arrangement is: on the one hand, the first trailer, the second trailer, the third trailer and the fourth trailer are used as movable supports, and under the rotary traction of the first hydraulic traction rod, the second hydraulic traction rod, the third hydraulic traction rod and the fourth hydraulic traction rod, the first rotary bearing, the second rotary bearing and the third rotary bearing, the first trailer, the second trailer, the third trailer and the fourth trailer are integrated with the traction rotary center, so that the stability of arc movement of the bent pipe is improved, the winding accuracy of the anti-corrosion adhesive tape of the bent pipe is improved, and the winding quality of the anti-corrosion adhesive tape of the bent pipe is improved; on the other hand, under the condition of uneven ground, the first hydraulic traction rod, the second hydraulic traction rod, the third hydraulic traction rod and the fourth hydraulic traction rod are matched with the first rotary bearing, the second rotary bearing and the third rotary bearing in a rotary way, so that the arc motion of the bent pipe is always kept on a motion plane, and the adaptability of the bent pipe to poor ground flatness in the arc motion process is improved.
The traction rotation center is fixedly arranged on the upper part of the bottom plate, the traction rotation center comprises a traction lug, the rotary cylinder is fixedly arranged on the upper part of the bottom plate, the first rotary bearing is fixedly arranged on the upper part of the rotary cylinder, the second rotary bearing is fixedly arranged on the lower part of the first rotary bearing, the third rotary bearing is fixedly arranged on the lower part of the second rotary bearing, and the inner rings of the first rotary bearing, the second rotary bearing and the third rotary bearing are fixedly arranged on the outer surface of the rotary cylinder; the traction lugs are uniformly arranged on the outer rings of the first slewing bearing, the second slewing bearing and the third slewing bearing. The main purpose of this arrangement is: on one hand, the first trailer, the second trailer, the third trailer and the fourth trailer are kept at different rotation positions, so that the flexibility of circular arc movements of the first trailer, the second trailer, the third trailer and the fourth trailer is improved; on the other hand, by utilizing the self-telescoping action of the first slewing bearing, the second slewing bearing and the third slewing bearing, which are the same as the first hydraulic traction rod, the second hydraulic traction rod, the third hydraulic traction rod and the fourth hydraulic traction rod, the first trailer, the second trailer, the third trailer and the trailer are always kept on the same circular arc movement plane, and the fluctuation and the movement caused by the poor ground flatness are prevented.
The upper part of the displacement device body is longitudinally provided with a rectangular displacement space, the bottom of the rectangular displacement space is provided with a cross-shaped empty slot, the rectangular displacement space and the upper part of the cross-shaped empty slot form a first sliding slot body and a second sliding slot body, the first sliding slot body is arranged at a position close to the left side of the upper part of the displacement device body, and the second sliding slot body is fixedly arranged at a corresponding right side of the first sliding slot body; the whole body at the middle position of the first sliding groove body and the second sliding groove body is provided with a sliding groove; the sliding blocks are fixedly arranged at the left side and the right side of the bottom plate, and are arranged in the sliding grooves. The main purpose of this arrangement is: through the arrangement of the rectangular displacement space, the first sliding groove body, the second sliding groove body, the sliding groove and the sliding block, on one hand, the rotation center realizes the purpose of moving the rotation center back and forth in the rectangular displacement space through the cooperation of the first sliding groove body, the second sliding groove body, the sliding groove and the sliding block, thereby realizing the function of changing the diameter of the arc motion track of the towed equipment; on the other hand, the bottom plate and the rotation center can realize the purpose of longitudinal displacement of the rotation center through the relative sliding action of the sliding groove and the sliding block.
The strip-shaped displacement groove is longitudinally and fixedly arranged on the right side wall of the upper part of the base and is used for enabling the motor mounting plate to move in the strip-shaped displacement groove; the left end of motor mounting panel with the right-hand member fixed connection of bottom plate, the motor is fixed to be set up on the motor mounting panel, the power take off shaft of motor passes the center of motor mounting panel extends to the bottom of motor mounting panel, and drive gear is fixed to be set up motor power take off shaft's bottom position, driven rack is fixed to be set up the right side position in bar displacement groove. The main purpose of this arrangement is: on the one hand, under the forward rotation or reverse rotation action of the power output shaft of the motor, the driving gear is driven to rotate, and the motor mounting plate, the motor and the driving gear move back and forth along the strip-shaped displacement groove by utilizing the meshing action of the driving gear and the driven rack, and the bottom plate is driven to realize the displacement of the front and back positions of the motor mounting plate under the driving action of the back and forth movement of the motor mounting plate. On the other hand, the motor mounting plate drives the rotation center to realize the front-back displacement movement on the rectangular displacement space, and finally, the diameter change of the arc movement track of the towed equipment is realized.
The invention has the beneficial effects that: the invention provides a layered traction rotation center of an arc motion trailer system, which is scientific and reasonable in structural design, and realizes the adaptive transformation of the traction rotation center and the trailer connection angle due to the ground flatness. The self-adaptive adjustment of the circular arc movement radius of the trailer system is realized, the stability of the circular arc movement of the trailer system is improved, and the fluctuation and play are reduced; the flexibility of the trailer system is improved, the winding accuracy of the anti-corrosion adhesive tape of the bent pipe is improved, and the winding quality of the anti-corrosion adhesive tape of the bent pipe is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of the traction center of rotation of the present invention;
FIG. 3 is an enlarged view of the traction center of rotation displacement device of the present invention;
the marks in the figure: 1. trailer, 11, trailer frame, 12, travelling wheel, 2, trailer one, 3, trailer two, 4, trailer three, 5, trailer four, 6, hydraulic traction lever one, 7, hydraulic traction lever two, 8, hydraulic traction lever three, 9, hydraulic traction lever four, 10, fixed ear, 11, traction center of revolution, 111, traction ear, 112, revolving drum, 113, revolving bearing one, 114, revolving bearing two, 115, revolving bearing three, 12, bottom plate, 13, displacement device, 131, displacement device body, 132, rectangular displacement space 133, cross-shaped empty slot, 134, bottom boss, 135, sliding slot body one, 136, sliding slot body two, 137, sliding slot, 138, sliding block, 139, bar-shaped displacement slot, 1310, motor mounting plate, 1311, motor, 1312, driving gear, 1313, driven rack.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
As shown in the figure, the invention provides a layered traction rotation center of an arc-motion trailer system, which comprises a trailer 1, a trailer I2, a trailer II 3, a trailer III 4 and a trailer IV 5; the trailer 1 is divided into a trailer I2, a trailer II 3, a trailer III 4 and a trailer IV 5; the middle positions of the bottoms of the inner sides of the first trailer 2, the second trailer 3, the third trailer 4 and the fourth trailer 5 are fixedly provided with fixing lugs 10, the first trailer 2 is fixedly connected with the left end of the first hydraulic traction rod 6 through the fixing lugs 10, the second trailer 3 is fixedly connected with the left end of the second hydraulic traction rod 7 through the fixing lugs 10, the third trailer 4 is fixedly connected with the right end of the third hydraulic traction rod 8 through the fixing lugs 10, and the fourth trailer 5 is fixedly connected with the right end of the fourth hydraulic traction rod 9 through the fixing lugs 10; the traction rotation center 11 is fixedly arranged at the upper part of the bottom plate 12, the traction rotation center 11 comprises a traction lug 111, the rotary cylinder 112 is fixedly arranged at the upper part of the bottom plate 12, the first rotary bearing 113 is fixedly arranged at the upper part of the rotary cylinder 112, the second rotary bearing 114 is fixedly arranged at the lower part of the first rotary bearing 113, the third rotary bearing 115 is fixedly arranged at the lower part of the second rotary bearing 114, and the first rotary bearing 113, the second rotary bearing 114 and the inner ring of the third rotary bearing 115 are fixedly arranged on the outer surface of the rotary cylinder 112; the traction lugs 111 are uniformly arranged on the outer rings of the first rotary bearing 113, the second rotary bearing 114 and the third rotary bearing 115; the right end of the first hydraulic traction rod 6 is fixedly connected with a traction lug 111 on a third rotary bearing 115, the right end of the second hydraulic traction rod 7 is fixedly connected with a traction lug 111 on a second rotary bearing 114, the left end of the third hydraulic traction rod 8 is fixedly connected with a traction lug 111 on the first rotary bearing 113, and the left end of the fourth hydraulic traction rod 9 is fixedly connected with a traction lug 111 on the third rotary bearing 115; a displacement device 13 is fixedly arranged at the bottom position of the bottom plate 12, and the displacement device 13 is used for adjusting the longitudinal position of the traction rotation center 11.
The trailer 1 comprises a trailer frame 11, the trailer frame 11 is of a cuboid structure, and moving wheels 12 for enabling the trailer frame 11 to move in an arc mode are fixedly arranged at four corners of the bottom of the trailer frame 11.
The traction lug 111 is of an outer arc-shaped U-shaped structure, and a through hole penetrating through the traction lug 111 body is formed in the transverse direction of the traction lug 111.
The outer surface of the rotary cylinder 112 is provided with 3 to 6 rotary bearings from top to bottom.
The displacement device 13 includes a displacement device body 131, the displacement device body 131 is in a cuboid structure, a rectangular displacement space 132 is longitudinally formed in the upper portion of the displacement device body 131, a cross-shaped empty slot 133 is formed in the bottom of the rectangular displacement space 132, a first sliding slot body 135 and a second sliding slot body 136 are formed in the rectangular displacement space 132 and the upper portion of the cross-shaped empty slot 133, the first sliding slot body 135 is arranged at a position, close to the upper portion, of the displacement device body 131, and the second sliding slot body 136 is fixedly arranged at a right position corresponding to the first sliding slot body 135; the whole body at the middle position of the first sliding groove body 135 and the second sliding groove body 136 is provided with a sliding groove 137; the sliding blocks 138 are fixedly arranged at the left side and the right side of the bottom plate 12, and the sliding blocks 138 are arranged in the sliding grooves 137; a bar-shaped displacement groove 139 is fixedly provided longitudinally on the upper right side wall of the displacement device body 131, the bar-shaped displacement groove 139 being for moving the motor mounting plate 1310 therein; the left end of motor mounting board 1310 with the right-hand member fixed connection of bottom plate 12, motor 1311 is fixed to be set up on motor mounting board 1310, and motor 1311's power take off shaft passes motor mounting board 1310's center extends to motor mounting board 1310's bottom, and drive gear 1312 is fixed to be set up in motor 1311's power take off shaft's bottom position, driven rack 1313 is fixed to be set up the right side position in bar displacement groove 139.
The sliding groove 137 has an inverted T shape, and the sliding block 138 has an inverted T shape; the height of the bar-shaped displacement groove 139 is higher than the bottom of the rectangular displacement space 132.
The motor 1311 is fixedly connected with the control switch and the power supply through connecting wires.
The driving gear 1312 is tightly contacted and meshed with the driven rack 1313; the upper portion of the driven rack 1313 is flush with the bottom of the bar-shaped displacement groove 139.
The layered traction rotation center of the circular arc motion trailer system has the working process that: the bent pipe is fixed at the middle position of the upper parts of the trailer frames 11 of the first trailer 2, the second trailer 3, the third trailer 4 and the fourth trailer 5, the bent pipe is supported by the first trailer 2, the second trailer 3, the third trailer 4 and the fourth trailer 5 under the pushing of driving force, and the circular arc motion of the bent pipe is always kept on a motion plane through the rotary coordination of the self-expansion force of the first trailer 2, the second trailer 3, the third trailer 4 and the fourth trailer 8 and the fourth trailer 9 and the rotary coordination of the first rotary bearing 113, the second rotary bearing 114 and the third rotary bearing 115 under the rotary traction of the first hydraulic traction rod 6, the second hydraulic traction rod 7, the third hydraulic traction rod 8 and the fourth hydraulic traction rod 8 and the rotary bearing 113, the rotary bearing 114 and the third rotary bearing 115 under the condition of uneven ground. When the arc movement radius of the bent pipe needs to be adjusted when the bent pipe with different bending degrees faces, the longitudinal position of the traction rotation center 11 is adjusted, and the specific process is as follows: starting the motor 1311, under the forward rotation or reverse rotation action of the power output shaft of the motor 1311, driving the driving gear 1312 to rotate, utilizing the meshing action of the driving gear 1312 and the driven rack 1313, enabling the motor mounting plate 1310, the motor 1311 and the driving gear 1312 to move back and forth along the strip-shaped displacement groove 139, under the driving action of the back and forth movement of the motor mounting plate 1310, driving the bottom plate 12 to realize the displacement of the back and forth positions through the relative sliding action of the sliding block 138 and the sliding groove 137, thereby finally driving the traction rotation center 11 to realize the back and forth displacement movement on the rectangular displacement space 132, and finally realizing the purpose of changing the radius of arc movement of the bent pipe.
In the first embodiment, on the basis of the scheme of the invention, the rotary drum 112 of the traction rotation center 11 is fixedly arranged at the upper position of the bottom plate 12, and 3 rotary bearings are arranged on the outer surface of the rotary drum 112 from top to bottom.
In the second embodiment, on the basis of the scheme of the invention, the rotary drum 112 of the traction rotation center 11 is fixedly arranged at the upper position of the bottom plate 12, and 4 rotary bearings are arranged on the outer surface of the rotary drum 112 from top to bottom.
In the third embodiment, on the basis of the scheme of the invention, the rotary drum 112 of the traction rotation center 11 is fixedly arranged at the upper position of the bottom plate 12, and 6 rotary bearings are arranged on the outer surface of the rotary drum 112 from top to bottom.
Various modifications to the embodiments described above will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. The layered traction rotation center of the circular arc motion trailer system comprises a trailer, wherein the trailer is divided into a first trailer, a second trailer, a third trailer and a fourth trailer; the method is characterized in that: the middle positions of the bottoms of the inner sides of the first trailer, the second trailer, the third trailer and the fourth trailer are fixedly provided with fixing lugs, the first trailer is fixedly connected with the left end of the first hydraulic traction rod through the fixing lugs, the second trailer is fixedly connected with the left end of the second hydraulic traction rod through the fixing lugs, the third trailer is fixedly connected with the right end of the third hydraulic traction rod through the fixing lugs, and the fourth trailer is fixedly connected with the right end of the fourth hydraulic traction rod through the fixing lugs; the traction rotary center is fixedly arranged on the upper part of the bottom plate, the traction rotary center comprises a traction lug, the rotary cylinder is fixedly arranged on the upper part of the bottom plate, the first rotary bearing is fixedly arranged on the upper part of the rotary cylinder, the second rotary bearing is fixedly arranged on the lower part of the first rotary bearing, the third rotary bearing is fixedly arranged on the lower part of the second rotary bearing, and the first rotary bearing, the second rotary bearing and the inner ring of the third rotary bearing are fixedly arranged on the outer surface of the rotary cylinder; the traction lugs are uniformly arranged on the outer rings of the first slewing bearing, the second slewing bearing and the third slewing bearing; the right end of the first hydraulic traction rod is fixedly connected with a traction lug on the third rotary bearing, the right end of the second hydraulic traction rod is fixedly connected with a traction lug on the second rotary bearing, the left end of the third hydraulic traction rod is fixedly connected with a traction lug on the first rotary bearing, and the left end of the fourth hydraulic traction rod is fixedly connected with a traction lug on the third rotary bearing; the displacement device is fixedly arranged at the bottom position of the bottom plate and is used for adjusting the longitudinal position of the traction rotation center; the displacement device comprises a displacement device body, wherein the displacement device body is of a cuboid structure, a rectangular displacement space is longitudinally formed in the upper portion of the displacement device body, a cross-shaped empty slot is formed in the bottom of the rectangular displacement space, a first sliding slot body and a second sliding slot body are formed in the rectangular displacement space and the upper portion of the cross-shaped empty slot, the first sliding slot body is arranged at the left side position, close to the upper portion, of the displacement device body, and the second sliding slot body is fixedly arranged at the right side position, corresponding to the first sliding slot body; the whole body at the middle position of the first sliding groove body and the second sliding groove body is provided with a sliding groove; the sliding blocks are fixedly arranged at the left side and the right side of the bottom plate and are arranged in the sliding grooves; the strip-shaped displacement groove is longitudinally and fixedly arranged on the right side wall of the upper part of the displacement device body and is used for enabling the motor mounting plate to move in the strip-shaped displacement groove; the left end of motor mounting panel with the right-hand member fixed connection of bottom plate, the motor is fixed to be set up on the motor mounting panel, and the power take off shaft of motor passes the center of motor mounting panel extends to the bottom of motor mounting panel, and drive gear is fixed to be set up in the bottom position of motor power take off shaft, and driven rack is fixed to be set up the right side position in bar displacement groove.
2. A layered traction center of revolution for a circular arc motion trailer system according to claim 1, wherein: the trailer comprises a trailer frame, wherein the trailer frame is of a cuboid structure, and moving wheels for enabling the trailer frame to move in an arc mode are fixedly arranged at four corners of the bottom of the trailer frame.
3. A layered traction center of revolution for a circular arc motion trailer system according to claim 1, wherein: the traction lug is of an outer arc-shaped U-shaped structure, and a through hole penetrating through the traction lug body is formed in the transverse direction of the traction lug.
4. A layered traction center of revolution for a circular arc motion trailer system according to claim 1, wherein: the outer surface of the rotary cylinder is provided with 3-6 rotary bearings from top to bottom.
5. A layered traction center of revolution for a circular arc motion trailer system according to claim 1, wherein: the sliding groove is in an inverted T shape, and the sliding block is in an inverted T shape; the height of the strip-shaped displacement groove is higher than the bottom of the rectangular displacement space.
6. A layered traction center of revolution for a circular arc motion trailer system according to claim 1, wherein: the driving gear is tightly contacted and meshed with the driven rack; the upper part of the driven rack is level with the bottom of the strip-shaped displacement groove.
CN202210117516.9A 2022-02-08 2022-02-08 Layered traction rotation center of circular arc motion trailer system Active CN114619665B (en)

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CN202292174U (en) * 2011-09-09 2012-07-04 索特传动设备有限公司 Clamping and centering device of ring-shaped workpieces
CA2830120A1 (en) * 2012-10-31 2014-04-30 Ge Energy Power Conversion Technology Limited Active magnetic bearing comprising means for damping the radial motion of a shaft of a rotary machine
CN108758172A (en) * 2018-09-06 2018-11-06 青岛华仕达机器有限公司 A kind of outer 3PE windings anticorrosion equipment of bend pipe
CN210161594U (en) * 2019-07-03 2020-03-20 四川庆达实业集团有限公司 Anticorrosive processing equipment of return bend of many camber diameters
CN214488949U (en) * 2020-12-31 2021-10-26 苏州二十六电子科技有限公司 Lathe drilling auxiliary fixture
CN215668169U (en) * 2021-08-27 2022-01-28 山西海特尔重工机械有限公司 Hot galvanizing production line annularly arranged around multi-arm rotary manipulator

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US20070227647A1 (en) * 2003-01-30 2007-10-04 Pipeline Induction Heat, Ltd. Apparatus and method for coating pipes

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1824930A (en) * 2006-01-11 2006-08-30 潘成旭 Rotary engine
AT10804U1 (en) * 2009-06-04 2009-10-15 Neustifter Johann METHOD FOR CONVERTING A DISTRIBUTION GEARBOX FOR MULTIPLE DISPENSES
CN202292174U (en) * 2011-09-09 2012-07-04 索特传动设备有限公司 Clamping and centering device of ring-shaped workpieces
CA2830120A1 (en) * 2012-10-31 2014-04-30 Ge Energy Power Conversion Technology Limited Active magnetic bearing comprising means for damping the radial motion of a shaft of a rotary machine
CN108758172A (en) * 2018-09-06 2018-11-06 青岛华仕达机器有限公司 A kind of outer 3PE windings anticorrosion equipment of bend pipe
CN210161594U (en) * 2019-07-03 2020-03-20 四川庆达实业集团有限公司 Anticorrosive processing equipment of return bend of many camber diameters
CN214488949U (en) * 2020-12-31 2021-10-26 苏州二十六电子科技有限公司 Lathe drilling auxiliary fixture
CN215668169U (en) * 2021-08-27 2022-01-28 山西海特尔重工机械有限公司 Hot galvanizing production line annularly arranged around multi-arm rotary manipulator

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