CN218708352U - Pipeline anticorrosive coating wind - Google Patents

Abstract

The utility model provides a pipeline anticorrosive coating wind belongs to pipeline winding processing technology field, has solved the heavy and not nimble technical problem enough of wind. The key points of the technical scheme are as follows: carry out the modularization processing to wind, including the winding dolly, two pipeline supporting seats, two support ears, traction guide and screw rod, the winding dolly includes winding mechanism and actuating mechanism, the last actuating handle that is equipped with of actuating mechanism, the both ends demountable installation in two pipeline supporting seats of traction guide and screw rod, and traction guide and winding mechanism sliding connection, screw rod and actuating mechanism threaded connection, when actuating handle rotates, actuating mechanism will take place to rotate and remove, drive winding mechanism during the rotation and twine the pipeline, drive the winding dolly during the removal and remove, thereby the realization is to the winding of pipeline. Therefore, the technical problem that the winding device is heavy and inflexible is solved by the detachable installation design.

Description

Pipeline anticorrosive coating wind

Technical Field

The utility model relates to a pipeline winding processing technology field, concretely relates to pipeline anticorrosive coating wind.

Background

The pipe anticorrosive coating winding device is a processing machine specially used for winding the pipe anticorrosive coating, and is characterized in that a winding belt is uniformly wound on a pipe by rotating the winding belt around the pipe and moving the winding belt forwards. The winding devices in the prior art have the following defects that firstly, when the wound pipelines are widely distributed, the pipelines need to be concentrated for winding, the time consumption is long, and the winding efficiency is reduced; secondly, the larger majority of the winding devices in the prior art are integral large-scale devices, which are heavy and difficult to transport. Analyzing the above two disadvantages, it can be concluded that the main reason is due to the cumbersome and inflexible winding device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at designing a pipeline anticorrosive coating wind to solve the problem that the background art provided.

The technical scheme of the utility model is that: the utility model provides a pipeline anticorrosive coating wind, includes two pipeline supporting seats, traction guide, screw rod, winding dolly and two support ears, the screw rod with traction guide's both ends respectively demountable installation in two on the pipeline supporting seat, support ear demountable installation in the top of pipeline supporting seat, the winding dolly includes winding mechanism, actuating mechanism, four gyro wheels and base, the actuating mechanism drive winding mechanism, four the gyro wheel install in the bottom of base, the actuating mechanism rigid coupling in one side at the top of base, actuating mechanism with screw rod threaded connection, winding mechanism rigid coupling in the opposite side at the top of base, winding mechanism's lower extreme middle part with traction guide sliding connection.

Further, actuating mechanism includes dirver handle, drive gear, first support, first transmission gear, transmission cover and second drive gear, the dirver handle rigid coupling in the inner chamber of drive gear is close to the periphery of tooth, drive gear rotatable coupling in first support, first support rigid coupling in on the base, drive gear with first transmission gear meshes mutually, first transmission gear rigid coupling in the one end of transmission cover, second drive gear rigid coupling in the other end of transmission cover, transmission cover rotatable coupling in upper end one side of first support, second drive gear connects winding mechanism.

Furthermore, one end of the transmission sleeve connected with the second transmission gear can rotatably penetrate through one end face of the winding mechanism, and the second transmission gear is arranged in the winding mechanism.

Further, install on the first support drive gear's one end is equipped with the safety cover, upper end one side of first support is equipped with the bearing frame, be equipped with two dead eyes on the bearing frame, install the bearing on the dead eye, the hole of bearing with the transmission sleeve cooperation, the both sides of bearing frame just are close to dead eye department is equipped with the draw-in groove separately, install the jump ring on the draw-in groove, the jump ring is hugged closely the outer lane of bearing, first drive gear with install the axle sleeve between the bearing, the both ends face of axle sleeve is hugged closely respectively the inner circle of bearing with the terminal surface of first drive gear.

Furthermore, the inner hole of one end of the transmission sleeve, which is close to the first transmission gear, is provided with threads, the threads are in threaded connection with the screw, the outer circle of the middle part of the transmission sleeve is provided with steps, and the steps are tightly attached to the inner ring of the bearing.

Further, winding mechanism includes winding gear, second support, side cap, protecgulum and apron, the second support respectively with the side cap with protecgulum fixed connection, the apron is installed with the top of protecgulum to the second support, second support fixed mounting in on the base, winding gear rotatable install in the second support with between the protecgulum.

Further, be equipped with the hole on the winding gear, the winding gear is close to install three cleaning rod and three winding pole that circumference distributes through threaded connection respectively on the both sides inner chamber of hole, the cleaning rod with winding pole symmetry just can change the installation.

Furthermore, a rolling groove is further formed in the middle of the tooth of the winding gear, three supporting wheels tangent to the bottom of the rolling groove are uniformly distributed on the rolling groove at the lower end of the winding gear, each supporting wheel is rotatably connected to one supporting shaft, and each supporting shaft is fixedly installed on the second support.

Furthermore, three universal balls are respectively and uniformly arranged on the second support and one end face, close to the winding gear, of the front cover in the circumferential direction, and the spherical surface of each universal ball is tangent to the inner cavity of the winding gear.

Further, a self-lubricating bearing is fixed in the middle of the lower end of the second support and is in sliding connection with the traction guide rod, a limiting shaft is fixed on one side, far away from the driving mechanism, of the upper end of the second support, a rotatable limiting gear is installed on the limiting shaft, and the limiting gear is meshed with the winding gear.

Compared with the prior art, the utility model has the advantages of:

the winding device is designed in a modularized mode, and each module comprises: two pipeline supporting seats, the traction guide rod, the screw rod, winding dolly and two support ears, and the both ends of screw rod and traction guide rod are demountable installation respectively on two pipeline supporting seats, two support ears also can demountable installation in the top of pipeline supporting seat, when needs handling device, can transport after dismantling into six modules with this wind device earlier, wherein the gyro wheel is then installed to the winding dolly that is relatively heavier, convenient removal and work, when needs use device, splice six modules again, the staff passes through drive actuating mechanism after the concatenation, firstly can make actuating mechanism remove along the screw rod, secondly can drive winding mechanism and twine the pipeline, because actuating mechanism's removal, thereby make the winding dolly take place to remove, and then make winding mechanism take place to remove, consequently winding mechanism twines on one side, remove on one side and realized the device to the winding of whole piece pipeline, so this winding device modular design, the heavy and inflexible technical problem of wind device has been solved.

Drawings

Fig. 1 is a schematic view of the modularized components of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic partial cross-sectional view of the overall structure of the utility model;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic cross-sectional view of the driving mechanism of the present invention;

FIG. 6 is an enlarged partial view of FIG. 5 at B;

FIG. 7 is a schematic cross-sectional view of the winding mechanism of the present invention;

FIG. 8 is an enlarged partial view of FIG. 7 at C;

wherein: 1. a pipeline supporting seat; 2. a traction guide rod; 3. winding a trolley; 4. a screw; 5. a pipeline; 6. a support ear; 7. a winding mechanism; 701. a second support; 702. a front cover; 703. winding the gear; 704. a winding rod; 705. a universal ball; 706. a support shaft; 707. a self-lubricating bearing; 708. a support wheel; 709. a cleaning rod; 710. a limit gear; 711. a limiting shaft; 712. a cover plate; 713. a side cover; 8. a drive mechanism; 801. a protective cover; 802. a bearing seat; 803. a second transmission gear; 804. a driving sleeve; 805. a clamp spring; 806. a bearing; 807. a shaft sleeve; 808. a first transmission gear; 809. a drive gear; 810. a drive handle; 811. a first support; 812. a step; 9. a base; 10. and (4) a roller.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1 and 2, a pipeline anticorrosive coating winding device includes two pipeline supporting seats 1, a traction guide rod 2, a screw rod 4, a winding trolley 3 and two supporting lugs 6, wherein two ends of the screw rod 4 and the traction guide rod 2 are respectively detachably mounted on the two pipeline supporting seats 1, the supporting lugs 6 are detachably mounted on the top of the pipeline supporting seats 1, the winding trolley 3 includes a winding mechanism 7, a driving mechanism 8, four rollers 10 and a base 9, the driving mechanism 8 drives the winding mechanism 7, the four rollers 10 are mounted on the bottom of the base 9, the driving mechanism 8 is fixedly connected to one side of the top of the base 9, the driving mechanism 8 is in threaded connection with the screw rod 4, the winding mechanism 7 is fixedly connected to the other side of the top of the base 9, and the middle part of the lower end of the winding mechanism 7 is slidably connected with the traction guide rod 2; the winding device is designed in a modularized mode, and each module comprises: the device comprises two pipeline supporting seats 1, a traction guide rod 2, a screw rod 4, a winding trolley 3 and two supporting lugs 6; when the device needs to be transported, the winding device can be disassembled into six modules for transportation, the relatively heavy winding trolley 3 is provided with the rollers, the transportation and the work of the winding trolley 3 are facilitated, when the device needs to be used, the six modules are spliced, and workers can drive the driving mechanism 8 after splicing, so that the driving mechanism 8 can move along the screw rod 4, the winding mechanism 7 can be driven to wind the pipeline 5, the driving mechanism 8 moves, the winding trolley 3 moves, the winding mechanism 7 winds while moving, and the winding of the device on the whole pipeline 5 is realized, so that the winding device is in a modularized design, and the technical problems that the winding device is heavy and inflexible are solved; in addition, the both ends of screw rod 4 and traction guide rod 2 are accessible round pin axle respectively and are fixed on two pipeline supporting seats 1, convenient when being favorable to the dismouting, have further improved the flexibility of device.

Referring to fig. 5 and 6, the driving mechanism 8 includes a driving handle 810, a driving gear 809, a first support 811, a first transmission gear 808, a transmission sleeve 804 and a second transmission gear 803, the driving handle 810 is fixedly connected to the inner cavity of the driving gear 809 near the periphery of the teeth, the driving gear 809 is rotatably connected to the first support 811, the first support 811 is fixedly connected to the base 9, the driving gear 809 is engaged with the first transmission gear 808, the first transmission gear 808 is fixedly connected to one end of the transmission sleeve 804, the second transmission gear 803 is fixedly connected to the other end of the transmission sleeve 804, the transmission sleeve 804 is rotatably connected to one side of the upper end of the first support 811, and the second transmission gear 803 is connected to the winding mechanism 7; the design of the driving handle 810 can solve the problem that the device cannot be wound due to the shortage of power supply caused by the overlarge distribution range of the pipelines 5 required to be wound, and in addition, when the power supply exists, the driving handle 810 can be changed into a driving motor for driving the driving gear 809, so that the efficiency is improved, and the flexibility of the device is increased; the first support 811 is designed to enable the winding trolley 3 to move along with the movement of the first support 811, and when a worker rotates the driving handle 810, the worker can drive the driving gear 809 to rotate, so as to drive the first transmission gear 808 and further drive the transmission sleeve 804 to rotate on the first support 811, and finally cause the second transmission gear 803 to rotate and start the winding mechanism 7.

Referring to fig. 2, 5 and 6, a protective cover 801 is arranged at one end of a first support 811 where a driving gear 809 is installed, a bearing seat 802 is arranged on one side of the upper end of the first support 811, two bearing holes are formed in the bearing seat 802, a bearing 806 is installed in each bearing hole, an inner hole of the bearing 806 is matched with a transmission sleeve 804, clamping grooves are respectively formed in two sides of the bearing seat 802 and close to the bearing holes, a clamping spring 805 is installed on each clamping groove, the clamping spring 805 is tightly attached to an outer ring of the bearing 806, a shaft sleeve 807 is installed between the first transmission gear 808 and the bearing 806, and two end faces of the shaft sleeve 807 are tightly attached to an inner ring of the bearing 806 and an end face of the first transmission gear 808 respectively; the design of the protective cover 801 can isolate the driving gear 809 and the first transmission gear 808 from the external environment, so as to protect the health of the operator, when the transmission sleeve 804 moves to the left, the first transmission gear 808 will push the shaft sleeve 807 to move to the left, then the shaft sleeve 807 will push the bearing 806 to move to the left, then the bearing 806 will push the bearing seat 802 to move to the left, and then the first support 811 will move to the left, and finally the winding trolley 3 will move to the left, and the design of the clamp spring 805 can enable the bearing 806 to be fixed on the bearing hole all the time.

An inner hole at one end of the transmission sleeve 804 close to the first transmission gear 808 is provided with threads, the threads are in threaded connection with the screw rod 4, a step 812 is arranged on the outer circle of the middle part of the transmission sleeve 804, and the step 812 is tightly attached to the inner ring of the bearing 806; the transmission sleeve 804 is in threaded connection with the screw rod 4, so that the transmission sleeve 804 can move along the screw rod 4 while rotating, and then the first support 811 is driven to move, so that the winding trolley 3 can move, and when the transmission sleeve 804 moves rightwards along the screw rod 4, the step 812 on the transmission sleeve 804 sequentially pushes the bearing 806, the bearing seat 802 and the first support 811 to move rightwards, and finally the winding trolley 3 moves rightwards.

Referring to fig. 2, 6 and 8, the winding mechanism 7 includes a winding gear 703, a second support 701, a side cover 713, a front cover 702 and a cover plate 712, the second support 701 is fixedly connected to the side cover 713 and the front cover 702, the cover plate 712 is mounted on the top of the second support 701 and the front cover 702, the second support 701 is fixedly mounted on the base 9, the winding gear 703 is rotatably mounted between the second support 701 and the front cover 702, so that the winding gear 703 is not affected by the second support 701 and the front cover 702 during rotation, and the side cover 713 and the cover plate 712 are designed to facilitate the installation of the components inside the winding mechanism 7; the fixed connection of the second support 701 and the front cover 712 ensures the stable operation of the winding gear 703.

An inner hole is formed in the winding gear 703, three cleaning rods 709 and three winding rods 704 which are circumferentially distributed are respectively connected and installed on inner cavities of two sides of the winding gear 703, which are close to the inner hole, through threads, and the cleaning rods 709 and the winding rods 704 are symmetrical and can be installed in a replaceable manner; the rotation of the second transmission gear 803 will rotate the winding gear 703, and then drive the winding rod 704 and the cleaning rod 709 to rotate around the pipe 5, so that the broom on the cleaning rod 709 cleans the pipe 5, and the winding belt on the winding rod 704 winds the pipe 5, thereby realizing the winding of the winding mechanism 7 on the pipe 5, and the cleaning rod 709 and the winding rod 704 are symmetrically and replaceably mounted; the design of symmetry and reversible installation is favorable to guaranteeing whether winding mechanism 7 begins to twine pipeline 5 from a left side, still begins to clean earlier the back winding when twining pipeline 5 from the right side, and then guarantees winding quality, and in addition, the design of hole then can guarantee to be less than the pipeline 5 homoenergetic of hole diameter and can change the diameter of hole under the circumstances of guaranteeing winding mechanism normal operating to make the device's flexibility further obtain improving.

Referring to fig. 3, 4 and 8, a rolling groove is further formed in the middle of the teeth of the winding gear 703, three support wheels 708 tangent to the bottom of the rolling groove are uniformly distributed on the rolling groove at the lower end of the winding gear 703, each support wheel 708 is rotatably connected to one support shaft 706, and each support shaft 706 is fixedly mounted on the second support 701; the three supporting wheels 708 are designed to ensure that the winding gear 703 does not move downward while rotating.

Three universal balls 705 are respectively and uniformly arranged on the second support 701 and one end face, close to the winding gear 703, of the front cover 702 in the circumferential direction, and the spherical surface of each universal ball 705 is tangent to the inner cavity of the winding gear 703; the design of the six universal balls 705 can ensure that the winding gear 703 does not move axially to affect the rotation thereof while rotating.

A self-lubricating bearing 707 is fixed in the middle of the lower end of the second support 701, the self-lubricating bearing 707 is connected with the traction guide rod 2 in a sliding mode, a limiting shaft 711 is fixed on one side, away from the driving mechanism 8, of the upper end of the second support 701, a rotatable limiting gear 710 is mounted on the limiting shaft 711, and the limiting gear 710 is meshed with the winding gear 703; the design of the self-lubricating bearing 707 provides accurate guidance for the movement of the winding trolley 3, and ensures that the winding trolley 3 can only move linearly along the direction of the traction guide rod 2, thereby ensuring that the threaded connection between the screw rod 4 and the transmission sleeve 804 can normally rotate, and preventing the winding trolley 3 from being clamped with the screw rod 4 due to the askew running. The design of the limit gear 710 is combined with the design of the supporting wheel 708 and the second transmission gear 803 to ensure that the winding gear 703 does not move radially to affect the rotation thereof while rotating.

The transmission sleeve 804 is connected with one end of the second transmission gear 803, which penetrates through one end face of the winding mechanism 7 in a rotatable manner, and the second transmission gear 803 is arranged inside the winding mechanism 7; this design can protect the second transmission gear 803 while ensuring that the second transmission gear 803 is meshed with the winding gear 703.

The utility model discloses a working method describes:

when the device is used, the pipeline anticorrosive coating winding device is firstly disassembled, the device is disassembled into five components of a traction guide rod 2, a screw rod 4, a winding trolley 3, a supporting lug 6 and a pipeline supporting seat 1, then each disassembled component is transported to a place needing to be wound, the relatively heavy winding trolley 3 is provided with a roller 10, and other components can be directly transported through a carrying trolley, so that the flexibility of the winding device is greatly improved, when the device is installed, the traction guide rod 2 is partially sleeved into a self-lubricating bearing 707 and the screw rod 4 is partially screwed into a threaded inner hole of a transmission sleeve 804, then two ends of the traction guide rod 2 and two ends of the screw rod 4 are respectively fixed on the two pipeline supporting seats 1 through pin shafts, then the supporting lug 6 is installed at the top of the pipeline supporting seat 1, then the winding trolley 3 is adjusted to be close to the pipeline supporting seat 1 through a rotary driving handle 810, the winding direction is determined, a cleaning rod 709 is installed on an inner cavity of one side of a winding gear 703 close to the front of the advancing direction, and a winding rod 704 is installed on the other side of the winding gear 703, so that the cleaning quality is improved, and the winding quality is finished and the winding device starts to work; an operator firstly places one end of a pipeline 5 on a supporting surface of one supporting lug 6, then places the end of the pipeline 5 on another pipeline supporting seat 1 after penetrating through an inner hole of a winding gear 703, and then the operator can drive a driving gear 809 to rotate by rotating a driving handle 810 so as to sequentially drive a first transmission gear 808, a transmission sleeve 804 and a second transmission gear 803 to rotate, the second transmission gear 803 enables a winding gear 703 to rotate between a second support 701 and a front cover 702 under the limitation of a supporting wheel 708, a universal ball and a limiting gear 710, and then drives a winding rod 704 to rotate, so that a winding belt on the winding rod 704 winds the pipeline, the transmission sleeve 804 moves on a screw rod 4 while rotating so as to drive a first support 811 to move, so that a winding trolley 3 moves under the guidance of a traction guide rod 2 and finally causes the movement of a winding mechanism 7, so that the winding device also realizes the movement along the pipeline 5 while winding, when the winding of the first pipeline 5 is completed, when the winding of the next pipeline 5 needs to be conducted, the winding trolley 3 needs to move under the guidance of the traction rod 2, and the winding rod can be quickly realized by only by rotating the winding rod 704, and the reversing driving handle 810 and the winding device can be used for cleaning the winding rod 5, so that the winding device can be designed for cleaning the next pipeline 5, and the winding device can be used for cleaning the pipeline.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper," "lower," "left," "right," "front," "rear," and the like as used herein are for purposes of illustration only.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims (10)

1. The utility model provides a pipeline anticorrosive coating wind which characterized in that: including two pipeline supporting seats (1), traction guide pole (2), screw rod (4), winding dolly (3) and two support ears (6), screw rod (4) with the both ends of traction guide pole (2) respectively demountable installation in two on the pipeline supporting seat (1), support ear (6) demountable installation in the top of pipeline supporting seat (1), winding dolly (3) are including winding mechanism (7), actuating mechanism (8), four gyro wheel (10) and base (9), actuating mechanism (8) drive winding mechanism (7), four gyro wheel (10) install in the bottom of base (9), actuating mechanism (8) rigid coupling in one side at the top of base (9), actuating mechanism (8) with screw rod (4) threaded connection, winding mechanism (7) rigid coupling in the opposite side at the top of base (9), the lower extreme middle part of winding mechanism (7) with traction guide pole (2) sliding connection.

2. The pipe anticorrosive coating winding device according to claim 1, wherein: actuating mechanism (8) are including actuating handle (810), drive gear (809), first support (811), first transmission gear (808), transmission cover (804) and second transmission gear (803), actuating handle (810) rigid coupling in the inner chamber of drive gear (809) is close to the periphery of tooth, drive gear (809) rotatable coupling in first support (811), first support (811) rigid coupling in on base (9), drive gear (809) with first transmission gear (808) mesh mutually, first transmission gear (808) rigid coupling in the one end of transmission cover (804), second transmission gear (803) rigid coupling in the other end of transmission cover (804), transmission cover (804) rotatable coupling in upper end one side of first support (811), second transmission gear (803) are connected winding mechanism (7).

3. The pipe anticorrosive coating winding device according to claim 2, characterized in that: one end of the transmission sleeve (804) connected with the second transmission gear (803) can rotatably penetrate through one end face of the winding mechanism (7), and the second transmission gear (803) is arranged inside the winding mechanism (7).

4. The pipe anticorrosive coating winding device according to claim 2, characterized in that: install on first support (811) the one end of drive gear (809) is equipped with safety cover (801), upper end one side of first support (811) is equipped with bearing frame (802), be equipped with two dead eyes on bearing frame (802), install bearing (806) on the dead eye, the hole of bearing (806) with transmission cover (804) cooperation, the both sides of bearing frame (802) and be close to bearing hole department are equipped with the draw-in groove separately, install jump ring (805) on the draw-in groove, jump ring (805) are hugged closely the outer lane of bearing (806), first drive gear (808) with install axle sleeve (807) between bearing (806), the both ends face of axle sleeve (807) is hugged closely respectively the inner circle of bearing (806) with the terminal surface of first drive gear (808).

5. The pipe anticorrosive coating winding device according to claim 4, wherein: the inner hole of one end, close to the first transmission gear (808), of the transmission sleeve (804) is provided with threads, the threads are in threaded connection with the screw rod (4), a step (812) is arranged on the outer circle of the middle of the transmission sleeve (804), and the step (812) is tightly attached to the inner ring of the bearing (806).

6. The pipe anticorrosive coating winding device according to claim 1, characterized in that: the winding mechanism (7) comprises a winding gear (703), a second support (701), a side cover (713), a front cover (702) and a cover plate (712), the second support (701) is fixedly connected with the side cover (713) and the front cover (702) respectively, the cover plate (712) is installed at the tops of the second support (701) and the front cover (702), the second support (701) is fixedly installed on the base (9), and the winding gear (703) is rotatably installed between the second support (701) and the front cover (702).

7. The pipe anticorrosive coating winding device according to claim 6, wherein: be equipped with the hole on winding gear (703), winding gear (703) are close to install three cleaning rod (709) and three winding pole (704) that circumference distributes through threaded connection respectively on the both sides inner chamber of hole, cleaning rod (709) with winding pole (704) symmetry just can change the installation.

8. The pipe anticorrosive coating winding device according to claim 6, wherein: the middle of the teeth of the winding gear (703) is also provided with a rolling groove, three supporting wheels (708) tangent to the bottom of the rolling groove are uniformly distributed on the rolling groove at the lower end of the winding gear (703), each supporting wheel (708) is rotatably connected to one supporting shaft (706), and each supporting shaft (706) is fixedly mounted on the second support (701).

9. The pipe anticorrosive coating winding device according to claim 6, wherein: three universal balls (705) are respectively and uniformly arranged on one end faces, close to the winding gear (703), of the second support (701) and the front cover (702) in the circumferential direction, and the spherical surface of each universal ball (705) is tangent to the inner cavity of the winding gear (703).

10. The pipe anticorrosive coating winding device according to claim 6, wherein: a self-lubricating bearing (707) is fixed in the middle of the lower end of the second support (701), the self-lubricating bearing (707) is connected with the traction guide rod (2) in a sliding mode, a limiting shaft (711) is fixed on one side, away from the driving mechanism (8), of the upper end of the second support (701), a rotatable limiting gear (710) is installed on the limiting shaft (711), and the limiting gear (710) is meshed with the winding gear (703).

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