Pull rope type steel pipe inner side rust removal device

By designing a pull-rope-type steel pipe inner rust removal device, the rust removal roller brush and rotating pull-rope driven by the rust removal motor realize automatic walking of the rust removal car, which solves the inability of traditional equipment to move at a constant speed and cannot remove the rust traces inside the steel pipe for longer time. The problem of this achieves the effect of uniform rust removal and easy use of longer steel pipes.

CN222472009UActive Publication Date: 2025-02-14SUZHOU JIANZHIYE PRECISION MANUFACTURING CO LTD
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Patent Information

Application Number
CN202421280425.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-06
Publication Date
2025-02-14
Estimated Expiration
2034-06-06

AI Technical Summary

Technical Problem

Traditional steel pipe rust removal equipment cannot move at a uniform speed, resulting in uneven rust removal of the inner wall of the steel pipe, and poses personal safety risks. At the same time, it is impossible to effectively remove rust inside longer steel pipes.

Method used

A pull-rope-type steel pipe inner rust removal device is designed, including a device frame, a rust removal cart, a rust removal roller brush, a pole, a turntable and a draw rope, which is realized by a rust removal roller brush driven by a rust removal motor and a rotating draw rope. The automatic walking of the rust removal cart and the uniform rust removal of the inner wall of the steel pipe.

Benefits of technology

It achieves uniform rust removal for longer steel pipes, which is easy to use, reduces personal safety risks, and improves rust removal efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of steel pipe machining equipment, in particular to a pull rope type steel pipe inner side rust removal device which comprises a device frame, a steel pipe placing station is arranged on the device frame, the length direction of a steel pipe placed on the placing station is in the left-right direction, and the pull rope type steel pipe inner side rust removal device further comprises a rust removal trolley installed in the steel pipe. A derusting roller brush driven by a derusting motor is mounted on the derusting trolley, the derusting roller brush comprises a brush shaft and bristles connected to the front of the brush shaft, the bristles are made of steel wires, the derusting motor operates, the bristles can derust the inner wall of the steel pipe, a vertical rod is further mounted on the side face of the steel pipe placing station, and the vertical rod is connected with the derusting roller brush. A rotating disc driven by a running motor is arranged on the vertical rod, a pull rope is wound on the rotating disc, a rotating groove is formed in the front end of the brush shaft, a rotating block is further installed in the rotating groove, and one end of the pull rope is connected with the rotating block; the steel pipe derusting device has the advantages of being capable of derusting longer steel pipes and convenient to use.
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Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe processing equipment, in particular to a rust removal device for the inner side of a steel pipe. Background Art

[0002] During the processing of steel pipes, there are sometimes rust stains inside the steel pipes, which need to be removed. Traditional steel pipe rust removal equipment is a semi-automatic device. When working, the operator needs to push the motor to move the grinding rod and polishing brush inside the steel pipe. This operation method causes the grinding rod and polishing brush to be unable to move at a uniform speed, resulting in uneven rust removal on the inner wall of the steel pipe. In addition, since the motor needs to be pushed manually during operation, there are safety hazards to the personal safety of the operator to a certain extent.

[0003] In the patent document with the publication number of "CN110181378B" and the name of "A device for removing rust from the inner wall of a steel pipe", a device for removing rust from the inner wall of a steel pipe is disclosed, which includes a slide trough, a support rod, an operating table, a reduction motor, a screw rod, a baffle, a vertical plate, a motor, a grinding rod, a polishing brush, a slide plate, a roller bracket, a roller, and a fixing clamp. Since it uses a grinding rod, the length of the processed steel pipe is limited. For example, it cannot remove rust from the inside of a longer steel pipe, which has the disadvantage of being inconvenient to use. Summary of the invention

[0004] The purpose of the utility model is to address the above shortcomings and provide a pull-rope type steel pipe inner side rust removal device which can remove rust from longer steel pipes and is easy to use.

[0005] The technical solution of the utility model is achieved as follows: a rope-drawn steel pipe inner side rust removal device comprises a device frame, the device frame has a steel pipe placement station, the length direction of the steel pipe placed on the placement station is left and right, and is characterized in that: it also comprises a rust removal trolley installed inside the steel pipe, the rust removal trolley is equipped with a rust removal roller brush driven by a rust removal motor, the rust removal roller brush comprises a brush shaft and bristles connected to the front of the brush shaft, the bristles are bristles made of steel wire, the rust removal motor is running, the bristles can remove rust from the inner wall of the steel pipe, a vertical pole is also installed on the side of the steel pipe placement station, the vertical pole has a turntable driven by a running motor, a rope is wound on the turntable, the front end of the brush shaft has a rotating groove, and a rotating block is installed in the rotating groove, and one end of the rope is connected to the rotating block.

[0006] Furthermore, the rust removal roller brushes are provided on both the left and right sides of the rust removal trolley, and vertical poles are installed on both the left and right sides of the steel pipe placement station.

[0007] Furthermore, the device frame is also equipped with a plurality of rollers driven by a rotating motor, and the steel pipe placement station is located above the plurality of rollers.

[0008] Furthermore, the rust removal trolley comprises trolley wheels, and the trolley wheels comprise an upper trolley wheel and a lower trolley wheel.

[0009] Furthermore, the upper trolley wheels and the lower trolley wheels further include a left trolley wheel and a right trolley wheel, respectively.

[0010] The beneficial effects of the utility model are as follows: the device for removing rust from the inside of a steel pipe has the advantages of being able to remove rust from longer steel pipes and being easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a side structural schematic diagram of the utility model when in use.

[0012] Figure 2 yes Figure 1 Schematic diagram of the structure in the A-A direction.

[0013] Figure 3 yes Figure 1 An enlarged schematic diagram of part B in FIG.

[0014] Figure 4 yes Figure 3 Schematic diagram of the enlarged cross section of part C.

[0015] Wherein: 1, device frame 2, steel pipe 3, rust removal trolley 4, rust removal roller brush 41, brush shaft 411, rotating groove 42, bristles 43, rotating block 5, vertical pole 51, turntable 6, pull rope 7, roller 8, trolley wheel 81, upper trolley wheel 82, lower trolley wheel 83, left trolley wheel 84, right trolley wheel 9, placement station. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0017] like Figure 1 , 3As shown in , 4, a pull-rope type rust removal device for the inner side of a steel pipe comprises a device frame 1, the device frame is provided with a placement station 9 for a steel pipe 2, the length direction of the steel pipe placed on the placement station is left-right direction, and the feature is that: it also comprises a rust removal trolley 3 installed inside the steel pipe, the rust removal trolley is provided with a rust removal roller brush 4 driven by a rust removal motor, the rust removal roller brush comprises a brush shaft 41 and bristles 42 connected to the front of the brush shaft, the bristles are bristles made of steel wire, when the rust removal motor is running, the bristles can remove rust from the inner wall of the steel pipe, a vertical pole 5 is also installed on the side of the steel pipe placement station, the vertical pole is provided with a turntable 51 driven by a running motor, a pull rope 6 is wound on the turntable, the front end of the brush shaft is provided with a rotating groove 411, and a rotating block 43 is installed in the rotating groove, one end of the pull rope is connected to the rotating block.

[0018] Using principle, the utility model is arranged as follows: the steel pipe to be derusted is placed on the placement station, the rust removal trolley is placed at one end of the steel pipe, for example, the left end, the pull rope is connected to the rotating block, and the rust removal motor is started to realize the rust removal of the inner wall of the steel pipe. At the same time, the running motor is started to drive the turntable to rotate, and the turntable is wound with the pull rope, so that the rust removal trolley can be moved, that is, the rust removal trolley reaches the other end of the steel pipe, and the rust removal of the steel pipe is completed. Since the pull rope can be set longer, longer steel pipes can be derusted, thereby achieving the purpose of the utility model.

[0019] Furthermore, the rust removal roller brushes are provided on both the left and right sides of the rust removal trolley, and vertical poles are installed on both the left and right sides of the steel pipe placement station.

[0020] The utility model is arranged in this way, so that the rust removing trolley can be moved back and forth left and right in the steel pipe, that is, when the rust removing trolley needs to remove rust to the right, the turntable on the right vertical pole is started, and the rope on the right pulls the rust removing trolley to move right and remove rust; when the rust removing trolley needs to remove rust to the left, the turntable on the left vertical pole is started, and the rope on the left pulls the rust removing trolley to move left and remove rust; it is more convenient to use.

[0021] The bristles are made of steel wire.

[0022] Further speaking, if Figure 1 , 2 As shown, a plurality of rollers 7 driven by a rotating motor are also installed on the device frame, and the steel pipe placement station is located above the plurality of rollers.

[0023] The utility model is arranged in this way, and the roller can also rotate during the rust removal process, driving the steel pipe to rotate, thereby achieving a better rust removal effect.

[0024] Further speaking, if Figure 2As shown, the rust removal trolley includes trolley wheels 8, and the trolley wheels include an upper trolley wheel 81 and a lower trolley wheel 82.

[0025] Further speaking, if Figure 2 As shown, the upper trolley wheels and the lower trolley wheels further include a left trolley wheel 83 and a right trolley wheel 84, respectively.

[0026] The utility model is arranged in this way, thus ensuring the running stability of the rust removal trolley.

[0027] In the description of the embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by “upper”, “lower”, “horizontal”, “left”, “right”, etc. are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the invented product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms “first”, “second”, etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0028] The above description is only a specific embodiment of the utility model of the present invention, but the structural features of the utility model are not limited thereto. Any changes or modifications made by any technician in the field of the utility model are included in the patent scope of the utility model.

Claims

1. A pull rope type steel pipe inner side rust removal device, comprising a device frame, the device frame having a steel pipe placement station, the length direction of the steel pipe placed on the placement station is left and right, and is characterized by: It also includes a rust removal trolley installed inside the steel pipe, on which a rust removal roller brush driven by a rust removal motor is installed, the rust removal roller brush includes a brush shaft and bristles connected to the front of the brush shaft, the bristles are made of steel wire, and when the rust removal motor is running, the bristles can remove rust from the inner wall of the steel pipe. A vertical pole is also installed on the side of the steel pipe placement station, the vertical pole has a turntable driven by a running motor, a pull rope is wound on the turntable, the front end of the brush shaft has a rotating groove, and a rotating block is installed in the rotating groove, and one end of the pull rope is connected to the rotating block.

2. The pull-rope type steel pipe inner rust removal device according to claim 1 is characterized in that: The rust removal roller brushes are provided on the left and right sides of the rust removal trolley, and vertical poles are installed on the left and right sides of the steel pipe placement station.

3. The pull-rope type steel pipe inner rust removal device according to claim 1 or 2, characterized in that: The device frame is also provided with a plurality of rollers driven by a rotating motor, and the steel pipe placing station is located above the plurality of rollers.

4. The pull-rope type steel pipe inner rust removal device according to claim 1 or 2, characterized in that: The rust removal trolley comprises trolley wheels, and the trolley wheels comprise an upper trolley wheel and a lower trolley wheel.

5. The pull-rope type steel pipe inner rust removal device according to claim 4 is characterized in that: The upper trolley wheels and the lower trolley wheels further include a left trolley wheel and a right trolley wheel respectively.

Citation Information

Patent Citations

  • A device for removing rust from inner wall of steel pipe

    CN110181378B