CN110756361A

CN110756361A - Inner wall plastic coating equipment for large-diameter steel pipe

Info

Publication number: CN110756361A
Application number: CN201911262710.0A
Authority: CN
Inventors: 曾程; 郭建军; 梅宇
Original assignee: Tianjin Jun Cheng Pipe Industry Group Co Ltd
Current assignee: Tianjin Jun Cheng Pipe Industry Group Co Ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-02-07

Abstract

The invention provides inner wall plastic coating equipment for a large-diameter steel pipe, which belongs to the technical field of steel pipe production and comprises a wire harness, wherein one end of the wire harness is connected with an equipment support, a walking device and a power device are arranged in the equipment support, and one end of the power device is connected with a spraying device. The invention solves the problem of cost waste caused by overlarge volume of large-diameter steel pipe plastic coating equipment in the prior art, and saves energy; by adopting the walking device and the rotary spraying device, the spraying thickness of the inner wall is more uniform, and the product quality is improved; through adopting the spiral disc and the walking base in the running gear for this device can be adjusted according to steel pipe inner wall size, has strengthened the suitability of this device.

Description

Inner wall plastic coating equipment for large-diameter steel pipe

Technical Field

The invention belongs to the technical field of steel pipe production, and particularly relates to inner wall plastic coating equipment for a large-diameter steel pipe.

Background

With the rapid development of economy and the gradual improvement of urban infrastructure, various types of steel are widely used in the fields of industrial production, urban construction and the like. The plastic-coated steel pipe is a pipeline which protects the inner wall and the outer wall of the steel pipe by melting and spraying a layer on the inner wall or the outer wall of the steel pipe through a plastic coating process, and the service life of the steel pipe is directly determined by the quality of the plastic coating process of the plastic-coated steel pipe.

In prior art, because steel pipe standard length is 6 meters, can cause the too big cost that leads to of equipment volume to the inner wall plastic-coated equipment of major diameter steel pipe to increase, the artifical problem that leads to of carrying out the plastic-coated: firstly, the working strength is large, and secondly, the spraying wall thickness is uneven, which influences the product performance.

Disclosure of Invention

The invention aims to provide inner wall plastic coating equipment for a large-diameter steel pipe, and aims to solve the problem that the inner wall plastic coating equipment for the large-diameter steel pipe is lacked in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an inner wall plastic-coated equipment for major diameter steel pipe includes the pencil, pencil one end is connected with the equipment support, be provided with running gear and power device in the equipment support, power device one end is connected with spraying device.

In order to make it preferable as one of the present invention, the wire harness includes a power supply line, a control line, and a paint line.

In order to make the above mentioned invention preferable, the walking device includes a motor a, the motor a is connected with a bevel gear a, the bevel gear a is engaged with two bevel gears B, the bevel gears B are symmetrically arranged, the bevel gears B are respectively connected with a spiral disk, the spiral disks are symmetrically arranged, a plurality of walking bases are arranged between the spiral disks, and a plurality of power wheels are arranged on the walking bases.

In order to make the above mentioned invention preferable, one end face of the spiral disk is provided with a spiral groove, the width of each part of the groove is equal, the width of the groove is equal to the distance between the grooves, the contact part of the walking base and the spiral disk is provided with a groove, the groove can be embedded with the groove on the spiral disk and can slide, and the walking base can only slide radially in the sliding groove arranged on the equipment support.

In order to achieve the above object, the power device according to the present invention preferably includes a motor B, the motor B is connected to a pinion, the pinion is connected to an inner ring gear, the inner ring gear is connected to a plurality of planetary gears, the planetary gears are connected to an outer ring gear, and the outer ring gear is fixedly mounted to the equipment carrier.

In order to make the spraying device preferable, the spraying device comprises a bearing, one end of the bearing is connected to the planetary gear, the other end of the bearing is connected with a connecting rod, the outer side of one end of the connecting rod is arc-shaped, the arc-shaped connection is provided with a limiting ring, the end face of one end of the connecting rod is provided with a spray head, and the installation direction of the spray head faces to the radial outer side of the limiting ring.

Compared with the prior art, the invention has the beneficial effects that:

1. the inner wall plastic coating equipment for the large-diameter steel pipe solves the problem of cost waste caused by overlarge volume of the large-diameter steel pipe plastic coating equipment in the prior art, and saves energy.

2. Through adopting running gear and rotatory spraying device for the spraying thickness to the inner wall is more even, has promoted product quality.

3. Through adopting the spiral disc and the walking base in the running gear for this device can be adjusted according to steel pipe inner wall size, has strengthened the suitability of this device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of the general structure of the present invention;

FIG. 2 is a schematic structural diagram of the walking device of the present invention;

FIG. 3 is a schematic view of the spiral disk structure of the present invention;

FIG. 4 is a schematic view of the walking base structure of the present invention;

FIG. 5 is a schematic view of the power unit and the sprayer unit of the present invention;

FIG. 6 is a schematic view of the planetary transmission of the present invention;

FIG. 7 is a schematic view of the connecting rod and stop collar structure of the present invention;

in the figure: 1. a wire harness; 2. an equipment support; 3. a traveling device; 4. a power plant; 5. a spraying device; 31. a motor A; 32. a bevel gear A; 33. a bevel gear B; 34. a spiral disc; 35. a traveling base; 36. a power wheel; 41. a motor B; 42. a pinion gear; 43. an inner gear ring; 44. a planetary gear; 45. an outer ring gear; 51. a bearing; 52. a connecting rod; 53. a limiting ring; 54. and (4) a spray head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides an inner wall plastic-coated equipment for major diameter steel pipe, includes pencil 1, 1 one end of pencil is connected with equipment support 2, be provided with running gear 3 and power device 4 in the equipment support 2, 4 one ends of power device are connected with spraying device 5.

In the embodiment of the invention, the walking device 3 moves, the power device 4 rotates to drive the spraying device 5 to perform plastic coating operation, and all parts operate cooperatively.

Specifically, the wire harness 1 includes a power supply line, a control line, and a paint line.

In this embodiment: the whole device is supplied with power through the wire harness 1 to operate, a control signal is supplied to control, and paint is supplied to perform plastic coating operation.

Specifically, running gear 3 includes motor A31, motor A31 connects bevel gear A32, bevel gear A32 is connected with two bevel gear B33 meshing, bevel gear B33 symmetry sets up, a spiral disc 34 is connected respectively to bevel gear B33, spiral disc 34 symmetry sets up, is provided with a plurality of walking bases 35 between it, be provided with a plurality of power wheels 36 on the walking base 35, there is the heliciform recess on 34 terminal surface of spiral disc, and each width of recess equals, and the interval between recess width and the recess equals, walking base 35 and spiral disc 34 contact department are fluted, and its recess can inlay and slide with the recess on the spiral disc 34 mutually, the radial slip is gone to the spout that walking base 35 can only set up on equipment support 2.

In this embodiment: the motor A31 rotates to drive the bevel gear A32 and the bevel gear B33 to rotate, the two spiral disks 34 rotate respectively, the walking base 35 extends out or contracts to achieve the effect of adjusting the diameter of the inner wall of the steel pipe, and meanwhile, the power wheel 36 rotates to enable the device to move in the steel pipe.

Specifically, power device 4 includes motor B41, motor B41 is connected with pinion 42, pinion 42 is connected with interior ring gear 43 meshing, interior ring gear 43 is connected with a plurality of planetary gear 44 meshing, planetary gear 44 is connected with outer ring gear 45 meshing, outer ring gear 45 fixed mounting is on equipment support 2, spraying device 5 includes bearing 51, bearing 51 one end is connected on planetary gear 44, the bearing 51 other end is connected with connecting rod 52, the outside of connecting rod 52 one end is the arc, the arc is connected and is provided with spacing ring 53, connecting rod 52 one end terminal surface is provided with shower nozzle 54, shower nozzle 54 installation direction is towards the radial outside of spacing ring 53.

In this embodiment: motor B41 rotates and drives pinion 42, interior ring gear 43 rotates, because outer ring gear 45 is fixed, make planetary gear 44 rotate the rotation simultaneously around outer ring gear 45, because the outside of connecting rod 52 one end is the arc, and with the inboard sliding connection of spacing ring 53, make connecting rod 52 rotatory around outer ring gear 45, and the arc is outside radially all the time, shower nozzle 54 connected with connecting rod 52 also outwards all the time, it carries out the rotatory spraying operation to the steel pipe inner wall to have played to make shower nozzle 54, make spraying thickness more even, and the product quality is improved.

The working principle and the using process of the invention are as follows:

the device is placed in a large-diameter steel pipe to be sprayed, a motor A31 is started to rotate to drive a bevel gear A32 and a bevel gear B33 to rotate, two spiral disks 34 respectively rotate to enable a plurality of walking bases 35 to simultaneously extend out, the size of the device is adjusted to be consistent with that of the steel pipe, meanwhile, the power wheel 36 is driven to rotate, so that the device can start moving in the steel pipe, the starting motor B41 rotates to drive the pinion 42 and the inner gear ring 43 to rotate, since the outer ring gear 45 is fixed, the planetary gears 44 rotate while rotating around the outer ring gear 45, because the outer side of one end of the connecting rod 52 is arc-shaped and is connected with the inner side of the limit ring 53 in a sliding way, the connecting rod 52 rotates around the outer gear ring 45, and the arc-shaped part always faces to the radial outer side, the spray head 54 connected with the connecting rod 52 faces outwards all the time, so that the spray head 54 performs rotary spraying operation on the inner wall of the steel pipe, the spraying thickness is more uniform, and the product quality is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an inner wall plastic-coated equipment for major diameter steel pipe which characterized in that: the wire harness spraying device comprises a wire harness (1), wherein one end of the wire harness (1) is connected with an equipment support (2), a walking device (3) and a power device (4) are arranged in the equipment support (2), and one end of the power device (4) is connected with a spraying device (5).

2. The inner wall plastic coating equipment for the large-diameter steel pipe according to claim 1, characterized in that: the wire harness (1) comprises a power supply circuit, a control circuit and a coating pipeline.

3. The inner wall plastic coating equipment for the large-diameter steel pipe according to claim 1, characterized in that: the walking device (3) comprises a motor A (31), the motor A (31) is connected with a bevel gear A (32), the bevel gear A (32) is meshed with two bevel gears B (33), the bevel gears B (33) are symmetrically arranged, the bevel gears B (33) are respectively connected with a spiral disc (34), the spiral discs (34) are symmetrically arranged, a plurality of walking bases (35) are arranged between the spiral discs, and a plurality of power wheels (36) are arranged on the walking bases (35).

4. The inner wall plastic coating equipment for the large-diameter steel pipe as claimed in claim 3, wherein a spiral groove is formed in one end face of the spiral disc (34), the width of each groove is equal to the distance between the grooves, grooves are formed in the contact part of the walking base (35) and the spiral disc (34), the grooves can be embedded with the grooves in the spiral disc (34) and can slide, and the walking base (35) can only slide in the radial direction in a sliding groove formed in the equipment support (2).

5. The inner wall plastic coating equipment for the large-diameter steel pipe according to claim 1, characterized in that: the power device (4) comprises a motor B (41), the motor B (41) is connected with a pinion (42), the pinion (42) is meshed with an inner gear ring (43), the inner gear ring (43) is meshed with a plurality of planetary gears (44), the planetary gears (44) are meshed with an outer gear ring (45), and the outer gear ring (45) is fixedly mounted on the equipment support (2).

6. The inner wall plastic coating equipment for the large-diameter steel pipe as claimed in claim 5, wherein: spraying device (5) are including bearing (51), bearing (51) one end is connected on planetary gear (44), bearing (51) other end is connected with connecting rod (52), the outside of connecting rod (52) one end is the arc, the arc is connected and is provided with spacing ring (53), connecting rod (52) one end terminal surface is provided with shower nozzle (54), shower nozzle (54) installation direction is towards the radial outside of spacing ring (53).