Tear-resistant and high-temperature-resistant transmission roller for steel pipe anti-corrosion production

Abstract

The utility model discloses a tear-resistant high-temperature-resistant transmission roller for steel pipe anticorrosion production, which belongs to the technical field of steel pipe anticorrosion processing and comprises a hub, an annular belt is arranged on the periphery of the hub, two ends of the hub are fixedly connected with a support flange, and the support flange is also fixedly connected with the annular belt. A plurality of clamping grooves are formed in the periphery of the hub, a plurality of clamping blocks are arranged on the inner periphery of the annular belt, the clamping blocks and the clamping grooves are arranged in a one-to-one correspondence mode, and the clamping blocks and the clamping grooves are clamped; and the annular belt is made of a high-temperature-resistant material.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel pipe anti-corrosion processing, and specifically relates to a tear-resistant and high-temperature resistant transmission roller used for steel pipe anti-corrosion production. Background Art

[0002] The statements herein merely provide background art related to the present invention and do not necessarily constitute prior art.

[0003] When producing 3PE anti-corrosion steel pipes, because the steel pipes must be heated by medium frequency before being sprayed with epoxy powder, the temperature of the steel pipes is high after medium frequency heating, and the large-diameter thick-walled steel pipes themselves are heavy, causing the rubber layer of the transmission rollers at the position after medium frequency heating to be melted by the heat and squeezed by the weight, causing damage and affecting its use. This method is prone to malfunctions and downtime. If it occurs repeatedly, it will also bring about problems such as low production efficiency and high equipment maintenance costs.

[0004] At present, the medium frequency heating position roller has undergone multiple rubber coating processes, and various types of rubber layers have been tested and found to be non-durable or have a very short service life, which cannot solve the problem of the roller rubber layer being easily damaged. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a tear-resistant and high-temperature resistant transmission roller for steel pipe anti-corrosion production. The device is provided with an annular belt covering the outer periphery of the hub and is fixed by clamping flanges at both ends. It can solve the problem of damage to the rubber layer of the transmission roller caused by the heat of the steel pipe caused by medium frequency heating and the heavy weight of large-diameter thick-walled steel pipes.

[0006] In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

[0007] In the first aspect, the utility model provides a tear-resistant and high-temperature resistant transmission roller for steel pipe anti-corrosion production, including a hub, an annular belt is arranged on the outer periphery of the hub, both ends of the hub are fixedly connected to the supporting flange, and the supporting flange is also fixedly connected to the annular belt; a plurality of slots are provided on the outer periphery of the hub, a plurality of blocks are provided on the inner periphery of the annular belt, the blocks and the slots are arranged one by one, and the blocks and the slots are engaged with each other; the annular belt is made of high-temperature resistant material.

[0008] As a further technical solution, a plurality of grooves are evenly distributed along the circumferential direction on the outer circumference of the hub, and the grooves are opened radially inward from the outer circumferential surface of the hub.

[0009] As a further technical solution, the slot includes a first slot portion and a second slot portion which are connected to each other, the first slot portion is opened on the outer peripheral surface of the hub, and the second slot portion is opened inwardly from the first slot portion.

[0010] As a further technical solution, the radial cross-section of the first groove portion is rectangular, and the radial cross-section of the second groove portion is fan-shaped with the center of the hub as the center; the radial cross-section size of the second groove portion is larger than the radial cross-section size of the first groove portion.

[0011] As a further technical solution, the clamping block includes a first block and a second block connected to each other, the first block is fixed to the inner circumference of the annular belt, and the second block is arranged inwardly from the first block.

[0012] As a further technical solution, the radial cross-section of the first block is rectangular, and the radial cross-section of the second block is fan-shaped with the center of the annular belt as the center; the radial cross-section size of the second block is larger than the radial cross-section size of the first block.

[0013] As a further technical solution, the hub end face is provided with a plurality of first connection holes, the support flange end face is provided with a plurality of second connection holes, and connecting pieces are passed through the first connection holes and the second connection holes; the support flange and the hub are concentrically arranged.

[0014] As a further technical solution, a plurality of first connection holes are evenly distributed along the circumferential direction on the hub end surface, a plurality of second connection holes are evenly distributed along the circumferential direction on the support flange end surface, and the second connection holes and the first connection holes are arranged one-to-one.

[0015] As a further technical solution, a plurality of third connecting holes are provided on the end face of the supporting flange, and the plurality of third connecting holes are evenly distributed along the circumferential direction on the end face of the supporting flange; a plurality of fourth connecting holes are provided on the end face of the annular belt, and the plurality of fourth connecting holes are evenly distributed along the circumferential direction on the end face of the annular belt, the third connecting holes and the fourth connecting holes are arranged one by one, and fasteners are inserted into the third connecting holes and the fourth connecting holes.

[0016] As a further technical solution, the supporting flange is an annular structure, and an axial hole is arranged at the center of the hub to be fixedly connected to the wheel axle; the annular belt is arranged to be split.

[0017] The beneficial effects of the above utility model are as follows:

[0018] The transmission roller of the utility model is fastened and connected at the wheel hub end and the clamping flange by a connecting piece to form a whole with consistent concentricity. An annular belt is arranged on the outer periphery of the wheel hub. The annular belt makes the wheel hub and the annular belt fit tightly by means of a clamping block and a clamping groove. At the same time, the annular belt is firmly connected to the clamping flange. Thus, the annular belt, the wheel hub and the clamping flange form a whole. The overall structural strength is high. In addition, the annular belt is made of high temperature resistant material, which avoids the problem that the rubber layer of the roller is easily damaged.

[0019] The transmission roller of the utility model has an annular belt and a wheel hub in a snap-fit ​​connection, supporting flanges are arranged at both ends of the wheel hub, and the supporting flanges, the wheel hub and the annular belt are fixedly connected, so that the annular belt can be easily disassembled. After the outer edge of the annular belt is worn, the clamping flange is disassembled, and the annular belt is reinstalled, so that long-term repeated use can be achieved.

[0020] The transmission roller of the utility model supports the concentric arrangement of the flange and the wheel hub, and the center positioning of the clamping flange is consistent with the wheel hub, thereby ensuring the concentricity and preventing the wheel hub from tilting when rotating. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0022] Figure 1 It is a schematic diagram of the end matching of tear-resistant and high-temperature-resistant transmission rollers for anti-corrosion production of steel pipes according to one or more embodiments of the utility model;

[0023] Figure 2 It is a schematic diagram of a hub of a tear-resistant and high-temperature resistant transmission roller for anti-corrosion production of steel pipes according to one or more embodiments of the utility model;

[0024] Figure 3 It is a schematic diagram of a clamping flange of a tear-resistant and high-temperature resistant transmission roller for anti-corrosion production of steel pipes according to one or more embodiments of the utility model;

[0025] Figure 4 It is a schematic diagram of an annular belt of a tear-resistant and high-temperature resistant transmission roller for anti-corrosion production of steel pipes according to one or more embodiments of the utility model;

[0026] In the figure: 1. hub, 2. annular belt, 3. clamping flange;

[0027] 11. Axial hole, 12. Card slot, 121. First slot portion, 122. Second slot portion, 13. First connecting hole, 21. Second connecting hole, 22. Third connecting hole, 31. Card block, 311. First block body, 312. Second block body, 32. Fourth connecting hole.

[0028] In order to show the positions of various parts, the distances or sizes between them are exaggerated and the schematic diagram is for reference only. DETAILED DESCRIPTION

[0029] It should be noted that the following detailed descriptions are all illustrative and are intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0030] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. As used herein, unless otherwise explicitly stated in the present invention, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "include" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or their combinations;

[0031] For the convenience of description, if the words "up", "down", "left" and "right" appear in the present invention, they only indicate that they are consistent with the up, down, left and right directions of the drawings themselves, and do not limit the structure. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or component must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0032] Terminology explanation section: If the terms "install", "connect", "connect", "fixed" and so on appear in the present invention, they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements, or an interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0033] In a typical implementation of the present invention, Figure 1 As shown, a tear-resistant and high-temperature resistant transmission roller for steel pipe anti-corrosion production is proposed, which includes a hub 1, an annular belt 3 is arranged on the outer periphery of the hub 1, both ends of the hub 1 are fixedly connected to the supporting flange 2, and the supporting flange 2 is also fixedly connected to the annular belt 3.

[0034] The hub 1 has an axial hole 11 at its center, which is fixedly connected to the wheel axle. During installation, the wheel axle is passed through the axial hole 11 and fixed to the hub 1 .

[0035] A plurality of slots 12 are provided on the outer periphery of the wheel hub 1, and the plurality of slots 12 are evenly distributed along the circumferential direction on the outer periphery of the wheel hub 1; a plurality of clamping blocks 31 are provided on the inner periphery of the annular belt 3, and the clamping blocks 31 and the clamping slots 12 are arranged one by one, and the clamping blocks and the clamping slots are engaged with each other, so as to realize the rapid positioning connection between the wheel hub and the annular belt.

[0036] In an optional implementation scheme, the slot 12 is in a convex shape, which is opened radially inward from the outer peripheral surface of the hub; specifically, the slot 12 includes a first slot portion 121 and a second slot portion 122, the first slot portion and the second slot portion are arranged in connection with each other, the first slot portion is opened on the outer peripheral surface of the hub 1, and the second slot portion is opened inward from the first slot portion.

[0037] In this embodiment, the radial cross-section of the first groove portion is a rectangle, and the radial cross-section of the second groove portion is a fan-shaped shape, with the fan-shaped shape having the center of the hub as the center of the circle.

[0038] The radial cross-sectional dimension of the second groove portion is greater than the radial cross-sectional dimension of the first groove portion.

[0039] The end face of the wheel hub 1 also has a plurality of first connection holes 13, which are evenly distributed along the circumferential direction on the end face of the wheel hub 1, and are located on the same circumference with the center of the wheel hub as the center; the first connection holes and the slots can be arranged on the same circumference of the wheel hub, and the first connection holes and the slots can be arranged alternately.

[0040] The supporting flange 2 is an annular structure, the supporting flange and the wheel hub are concentrically arranged, and a plurality of second connecting holes 21 are provided on the end face of the supporting flange 2. The plurality of second connecting holes 21 are evenly distributed along the circumferential direction on the end face of the supporting flange 2, and the plurality of second connecting holes are located on the same circumference with the center of the supporting flange as the center; the diameter of the circumference of the second connecting holes on the supporting flange is the same as the diameter of the circumference of the first connecting holes on the wheel hub, the number of the second connecting holes corresponds to the first connecting holes, and the installation positions also correspond, and bolts and other connecting parts are inserted into the first connecting holes and the second connecting holes to fix the supporting flange and the wheel hub.

[0041] A plurality of third connection holes 22 are also provided on the end surface of the support flange 2. The plurality of third connection holes 22 are evenly distributed along the circumferential direction on the end surface of the support flange 2. The plurality of third connection holes are located on the same circumference with the center of the support flange as the center; and the diameter of the third connection holes on the circumference of the support flange is greater than the diameter of the second connection holes on the circumference of the support flange.

[0042] Correspondingly, a plurality of fourth connecting holes 32 are provided on the end face of the annular belt 3, and the plurality of fourth connecting holes 32 are evenly distributed along the circumferential direction on the end face of the annular belt, and the plurality of fourth connecting holes are located on the same circumference with the center of the annular belt as the center; the diameter of the circumference of the third connecting holes on the supporting flange is the same as the diameter of the circumference of the fourth connecting holes on the annular belt, the number of the third connecting holes and the fourth connecting holes corresponds, and the installation positions also correspond, and bolts and other connecting parts are inserted into the third connecting holes and the fourth connecting holes to fix the supporting flange and the annular belt.

[0043] The annular belt 3 is an annular structure, and a plurality of blocks 31 are evenly distributed along the circumferential direction on the inner ring of the annular belt. The plurality of blocks are evenly distributed along the circumferential direction on the inner circumference of the annular belt. The size and shape of the blocks 31 are the same as the size and shape of the slots 12 provided on the wheel hub 1, that is, the blocks 31 are convex-shaped, and include a first block 311 and a second block 312. The first block and the second block are connected, the first block is fixed to the inner circumferential surface of the annular belt, and the second block is arranged inward from the first block.

[0044] In this embodiment, the radial cross section of the first block is a rectangle, and the radial cross section of the second block is a sector ring, with the sector ring having the center of the annular belt as the center of the circle.

[0045] The radial cross-sectional dimension of the second block is greater than the radial cross-sectional dimension of the first block.

[0046] The clamping block of the annular belt and the clamping groove of the wheel hub are matched and arranged one by one. After the clamping block and the clamping groove are clamped together, the annular belt and the wheel hub are connected.

[0047] In this embodiment, the wheel hub is a steel casting having a set toughness and strength. After normalizing, it is turned into an annular wheel shape. The two side surfaces of the wheel hub are smoothed and connected with holes to facilitate fastening with the annular clamping flange with high-strength bolts.

[0048] like Figure 1 , Figure 2 The clamping flange is in a circular ring shape, and the wheel hub is also processed into a circular ring shape (i.e., a circle with a set thickness). The shape of the annular wheel hub is the same as the shape of the annular clamping flange, and the connecting holes are arranged in the same position, so that the wheel hub and the clamping flange can be fastened and connected using high-strength bolts.

[0049] Considering the setting position of the hub, the outer diameter of the annular wheel-shaped hub is smaller than the outer diameter of the clamping flange and there is an overlapping part to ensure the reasonable setting of the hub; the connection hole is set at the overlapping part of the hub and the clamping flange, and the high-strength bolts are vertically connected to the clamping flange and the hub. The outer diameter of the annular belt is 30mm larger than the outer diameter of the clamping flange.

[0050] The clamping flange has two rows of annular connection holes distributed according to the diameter position. The inner ring connection holes are fastened to the hub by high-strength bolts, which effectively ensures the stability of the clamping flange; the outer ring connection holes of the clamping flange are consistent with the connection holes on the annular belt, which is convenient for the stud bolts to penetrate and then tighten on both sides to form a gap-free whole with the annular belt and the clamping flange.

[0051] In this embodiment, the annular belt is a high-temperature resistant conveyor belt that is formed by stamping and cutting. It is mainly used in industries such as metallurgy and building materials production. It is used to transport high-temperature materials such as sintered ore, coke, and cement clinker, and can withstand temperatures of 100°C-800°C; the annular belt is configured as a split type, and is formed by multiple pieces spliced ​​in sequence to form an integral circular ring shape. During assembly, the clamping flange at one end is removed, and the annular belt is assembled piece by piece to the outer periphery of the wheel hub. The annular belt can embed the block into the slot at one end of the wheel hub, and then pull the annular belt to the other end of the wheel hub to complete the installation. The annular belt and the wheel hub form a tight fit, and the fit between the block and the slot can prevent the annular belt from circling and shifting.

[0052] In this embodiment, the outer dimension of the transmission roller is φ508 mm, the width is 200 mm, and the thickness of the annular belt used is 10 mm.

[0053] The roller, wheel hub and clamping flange are fastened and connected with high-strength bolts to form a whole with consistent concentricity. The annular belt is closely matched with the wheel hub by embedding the clamping groove with a clamping block, and the annular belt is firmly connected to the clamping flange with stud bolts. The annular belt is a machined product. After the outer edge is worn, the clamping flange can be disassembled and the annular belt can be reinstalled to achieve the purpose of long-term repeated use.

[0054] In terms of 3PE anti-corrosion processing for covering pipes, the tear-resistant and high-temperature resistant transmission roller of the utility model can be used for main pipes with diameters ranging from φ219mm to φ3620mm.

[0055] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A tear-resistant and high-temperature resistant transmission roller for steel pipe anti-corrosion production, characterized in that: It includes a wheel hub, an annular belt is arranged on the outer circumference of the wheel hub, both ends of the wheel hub are fixedly connected to the supporting flange, and the supporting flange is also fixedly connected to the annular belt; a plurality of slots are arranged on the outer circumference of the wheel hub, a plurality of blocks are arranged on the inner circumference of the annular belt, the blocks and the slots are arranged one by one, and the blocks and the slots are engaged with each other; the annular belt is made of high temperature resistant material.

2. The tear-resistant and high-temperature resistant transmission roller for steel pipe anti-corrosion production as claimed in claim 1 is characterized in that: A plurality of clamping grooves are evenly distributed along the circumferential direction on the outer circumference of the wheel hub, and the clamping grooves are opened radially inward from the outer circumferential surface of the wheel hub.

3. The tear-resistant and high-temperature resistant transmission roller for steel pipe anti-corrosion production as claimed in claim 2 is characterized in that: The clamping groove comprises a first groove portion and a second groove portion which are connected to each other. The first groove portion is opened on the outer peripheral surface of the hub, and the second groove portion is opened inwardly from the first groove portion.

4. The tear-resistant and high-temperature resistant transmission roller for steel pipe anti-corrosion production as claimed in claim 3 is characterized in that: The radial cross section of the first groove portion is rectangular, and the radial cross section of the second groove portion is fan-shaped with the center of the hub as the center of the circle; the radial cross section size of the second groove portion is larger than the radial cross section size of the first groove portion.

5. The tear-resistant and high-temperature resistant transmission roller for steel pipe anti-corrosion production as claimed in claim 1 is characterized in that: The clamping block comprises a first block and a second block connected to each other. The first block is fixed to the inner circumference of the annular belt, and the second block is arranged inwardly from the first block.

6. The tear-resistant and high-temperature resistant transmission roller for steel pipe anti-corrosion production as claimed in claim 5 is characterized in that: The radial cross section of the first block is rectangular, and the radial cross section of the second block is fan-shaped with the center of the annular belt as the center; the radial cross section size of the second block is larger than the radial cross section size of the first block.

7. The tear-resistant and high-temperature resistant transmission roller for steel pipe anti-corrosion production as claimed in claim 1 is characterized in that: The wheel hub end surface is provided with a plurality of first connection holes, the support flange end surface is provided with a plurality of second connection holes, and connecting pieces are inserted into the first connection holes and the second connection holes; the support flange and the wheel hub are concentrically arranged.

8. The tear-resistant and high-temperature resistant transmission roller for steel pipe anti-corrosion production as claimed in claim 7 is characterized in that: A plurality of first connection holes are evenly distributed along the circumferential direction on the end surface of the hub, and a plurality of second connection holes are evenly distributed along the circumferential direction on the end surface of the supporting flange, and the second connection holes and the first connection holes are arranged one-to-one correspondingly.

9. The tear-resistant and high-temperature resistant transmission roller for steel pipe anti-corrosion production as claimed in claim 1 is characterized in that: The support flange end surface is provided with a plurality of third connection holes, and the plurality of third connection holes are evenly distributed along the circumferential direction on the support flange end surface; the annular belt end surface is provided with a plurality of fourth connection holes, and the plurality of fourth connection holes are evenly distributed along the circumferential direction on the annular belt end surface, the third connection holes and the fourth connection holes are arranged one by one, and fasteners are inserted into the third connection holes and the fourth connection holes.

10. The tear-resistant and high-temperature resistant transmission roller for steel pipe anti-corrosion production as claimed in claim 1, characterized in that: The supporting flange is an annular structure, and an axial hole is arranged at the center of the hub to be fixedly connected with the wheel axle; the annular belt is arranged in a split type.

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