Pipeline blockage clearing device based on shape memory alloy

文档序号:1453682 发布日期:2020-02-21 浏览:16次 中文

阅读说明:本技术 一种基于形状记忆合金的管道清堵装置 (Pipeline blockage clearing device based on shape memory alloy ) 是由 张�杰 于 2019-10-29 设计创作,主要内容包括:本发明属于管道清堵领域,具体涉及一种基于形状记忆合金的管道清堵装置,包括滚轮组件、电加热组件、动力机构以及清洗机构;所述滚轮组件包括前轮组与后轮组;还包括四个电动机,每个电动机单独控制一个前轮或一个后轮;所述动力机构包括固定件、动力轴与电机;所述固定件固定于连接轴上;所述电机设于第一滚轮轴上,位于所述第一滚轮轴与所述连接轴的交接处;所述清洗机构包括安装部与固定于安装部上并呈散射状的若干根清洗丝,清洗丝方便更多场合的管道清洗、清堵。(The invention belongs to the field of pipeline blockage removal, and particularly relates to a pipeline blockage removal device based on shape memory alloy, which comprises a roller assembly, an electric heating assembly, a power mechanism and a cleaning mechanism, wherein the roller assembly is arranged on the upper surface of the roller assembly; the roller assembly comprises a front wheel set and a rear wheel set; the four motors are also included, and each motor independently controls one front wheel or one rear wheel; the power mechanism comprises a fixing piece, a power shaft and a motor; the fixing piece is fixed on the connecting shaft; the motor is arranged on the first roller shaft and is positioned at the joint of the first roller shaft and the connecting shaft; the cleaning mechanism comprises an installation part and a plurality of cleaning wires which are fixed on the installation part and are in scattering shapes, and the cleaning wires are convenient for cleaning and clearing the pipelines in more occasions.)

1. A pipeline blockage removing device based on shape memory alloy is characterized by comprising a roller assembly, an electric heating assembly, a power mechanism and a cleaning mechanism;

the roller assembly comprises a front wheel set and a rear wheel set; the front wheel set comprises two front wheels which are arranged at two ends by adopting a first roller shaft; the first roller shaft is made of shape memory alloy materials, and a first heating wire is arranged in the first roller shaft; the first roller shaft is linear after deformation, and when the preheating deformation of the first roller shaft is recovered, two ends of the first roller shaft are bent towards the same direction; the rear wheel set comprises two rear wheels which are arranged at two ends by adopting a second roller shaft; the second roller shaft is made of shape memory alloy materials, and a second heating wire is arranged in the second roller shaft; the second roller shaft is linear after deformation, and when the second roller shaft is recovered from preheating deformation, two ends of the second roller shaft are bent towards the same direction; the connecting shaft is connected to the first roller shaft and the second roller shaft; the four motors are also included, and each motor independently controls one front wheel or one rear wheel;

the heating assembly comprises a power supply which is used for supplying power to the first heating wire and the second heating wire; the power supply is arranged on the connecting shaft;

the power mechanism comprises a fixing piece, a power shaft and a motor; the fixing piece is fixed on the connecting shaft; the motor is arranged on the first roller shaft and is positioned at the joint of the first roller shaft and the connecting shaft; the motor is provided with a spring switch, the spring switch is pressed down, the motor is started, the spring switch is released, and the motor is stopped; the motor is provided with an output shaft, and when the motor is started, the motor drives the output shaft to rotate;

the power shaft is made of shape memory alloy, a third heating wire is arranged in the power shaft, the third heating wire is connected with the first power shaft and is bent after being deformed, and the third heating wire is straight after being deformed by heating; one end of the power shaft is fixed on the fixing piece, the other end of the power shaft is staggered with a switch of the motor after deformation, and the end of the power shaft presses down the spring switch after deformation recovery;

the cleaning mechanism comprises an installation part and a plurality of cleaning wires which are fixed on the installation part and are in scattering shape; the mounting portion is fixed to an output shaft of the motor.

2. The shape memory alloy-based pipe blockage removal device according to claim 1, wherein the first roller shaft and the second roller shaft have the same bending when the preheating deformation is recovered.

3. The shape memory alloy-based pipe blockage removal device according to claim 1, wherein the first roller shaft bends toward the cleaning mechanism side when the deformation is restored.

4. A shape memory alloy based pipe unblocking apparatus according to claim 1, wherein the cleaning mechanism further comprises a cutting blade provided on a side line of the mounting portion.

5. A shape memory alloy based pipe unblocking apparatus according to claim 4, wherein the cutting blade is provided with saw teeth.

6. The shape memory alloy-based pipe blockage removing device according to claim 1, further comprising a controller, wherein the controller wirelessly controls the four motors and the power supply to be turned on/off.

7. The shape memory alloy-based pipe blockage removal device according to claim 1, further comprising a controller, wherein the first roller shaft and the second roller shaft are at different deformation recovery temperatures from two ends to the middle section, the deformation recovery temperature at the end portions is the lowest, and the deformation recovery temperature at the middle section is the highest.

8. The shape memory alloy-based pipe blockage removing device according to any one of claims 1, wherein the front wheel comprises a hub and a roller sleeve sleeved on the hub; the hub is made of plastic, and the rolling sleeve is a silica gel sleeve; the rear wheel comprises a hub and a roller sleeve sleeved on the hub; the wheel hub is made of plastic materials, and the rolling sleeve is a silica gel sleeve.

9. The shape memory alloy-based pipe blockage removal device according to any one of claims 1, wherein the front wheels and the rear wheels are both made of light wood; the surfaces of the front wheel and the rear wheel are coated with waterproof and anticorrosive paint; the waterproof anticorrosive paint comprises the following substances in parts by weight:

Figure FDA0002252325310000021

10. the shape memory alloy-based pipeline unblocking apparatus according to claim 9, wherein the waterproof and anticorrosive coating is prepared by heating molten paraffin at 50-160 ℃, adding the fluorinated silicone resin and the gum arabic in the molten paraffin in proportion, stirring uniformly to obtain a mixture, cooling the mixture to room temperature, adding the banana oil, and stirring uniformly; and before use, the mixture is kept at the temperature of 70-80 ℃ for 1-2h and then sprayed on the surfaces of the front wheel and the rear wheel.

Technical Field

The invention belongs to the field of pipeline blockage removal, and particularly relates to a pipeline blockage removal device based on shape memory alloy.

Background

At present, the pipeline transportation industry at home and abroad is large in scale and fast in development, more than 200 kilometers can be achieved by only oil and gas transportation pipelines all over the world, and urban water supply, heat supply and drainage pipelines cannot be counted. Therefore, the safety management of pipeline transportation is the focus of research, and pipeline blockage is an important problem affecting transportation safety. The way of detecting the blockage of a pipe is more diversified, but can be roughly divided into two categories, that is, detecting the blockage inside the pipe and detecting the blockage through a sensor outside the pipe. Compared with the method that a sensor outside a pipeline detects blockage, the robot is used for directly cleaning the interior of the pipeline, the method is more accurate and efficient, the invention patent is named as 'peristaltic mini-vehicle based on shape memory alloy drive', and the invention patent with the publication number of CN 1421302A, the mini-vehicle driven by the shape memory alloy is used for providing driving force by the magnetic shape memory alloy, and the vehicle is in peristaltic advance and has small driving force. Chinese patent CN106764246B discloses a pipeline robot based on shape memory alloy drive, belonging to the technical field of pipeline processing equipment. The robot comprises a chassis, wherein a shape memory alloy heat engine is fixed on the surface of the chassis and connected with one end of a belt, the belt is wound on the outer peripheral surface of a belt pulley, the other end of the belt is connected with a return spring, the return spring is connected with a fixed shaft positioned on the surface of the chassis, a wheel shaft is connected with the belt pulley through a one-way bearing, and a wheel is connected with the wheel shaft.

There is also a formula of wriggling pipeline dredging cleaning robot as disclosed in chinese patent CN108443642A, this robot is along the axial left walking strutting arrangement, belt cleaning device, auxiliary support device, flexible lead screw assembly, right walking strutting arrangement and dredging device that fixedly connects in proper order, left walking strutting arrangement and right walking strutting arrangement are used for supporting and driving the robot walk along the pipeline, belt cleaning device is used for wasing the pipeline at the walking in-process, dredging device is used for dredging the pipeline, auxiliary support device is used for providing auxiliary support to whole robot.

However, the above methods are only suitable for straight pipes and are not suitable for variable diameter pipes; in addition, the existing dredging device is suitable for oil pipes, but is used for pipelines which are blocked by fibrous and hairlike substances.

Disclosure of Invention

In order to facilitate the cleaning and blockage removal of pipelines on more occasions, the application provides a pipeline blockage removal device based on shape memory alloy.

In order to achieve the technical purpose, the technical scheme adopted by the application is that the pipeline blockage removing device based on the shape memory alloy comprises a roller assembly, an electric heating assembly, a power mechanism and a cleaning mechanism;

the roller assembly comprises a front wheel set and a rear wheel set; the front wheel set comprises two front wheels which are arranged at two ends by adopting a first roller shaft; the first roller shaft is made of shape memory alloy materials, and a first heating wire is arranged in the first roller shaft; the first roller shaft is linear after deformation, and when the preheating deformation of the first roller shaft is recovered, two ends of the first roller shaft are bent towards the same direction; the rear wheel set comprises two rear wheels which are arranged at two ends by adopting a second roller shaft; the second roller shaft is made of shape memory alloy materials, and a second heating wire is arranged in the second roller shaft; the second roller shaft is linear after deformation, and when the second roller shaft is recovered from preheating deformation, two ends of the second roller shaft are bent towards the same direction; the connecting shaft is connected to the first roller shaft and the second roller shaft; the four motors are also included, and each motor independently controls one front wheel or one rear wheel;

the heating assembly comprises a power supply which is used for supplying power to the first heating wire and the second heating wire; the power supply is arranged on the connecting shaft;

the power mechanism comprises a fixing piece, a power shaft and a motor; the fixing piece is fixed on the connecting shaft; the motor is arranged on the first roller shaft and is positioned at the joint of the first roller shaft and the connecting shaft; the motor is provided with a spring switch, the spring switch is pressed down, the motor is started, the spring switch is released, and the motor is stopped; the motor is provided with an output shaft, and when the motor is started, the motor drives the output shaft to rotate;

the power shaft is made of shape memory alloy, a third heating wire is arranged in the power shaft, the third heating wire is connected with the first power shaft and is bent after being deformed, and the third heating wire is straight after being deformed by heating; one end of the power shaft is fixed on the fixing piece, the other end of the power shaft is staggered with a switch of the motor after deformation, and the end of the power shaft presses down the spring switch after deformation recovery;

the cleaning mechanism comprises an installation part and a plurality of cleaning wires which are fixed on the installation part and are in scattering shape; the mounting portion is fixed to an output shaft of the motor.

As an improved technical scheme of the application, the first roller shaft and the second roller shaft have the same bending when the preheating deformation is recovered.

As an improved technical scheme of the application, the first roller shaft bends towards the cleaning mechanism side when the deformation is recovered.

As the improved technical scheme of the application, the cleaning mechanism further comprises a cutting blade, and the cutting blade is arranged on the edge line of the mounting part.

As the improved technical scheme of the application, sawteeth are arranged on the cutting blade.

As the improved technical scheme, the electric vehicle further comprises a controller, and the controller wirelessly controls the four motors and the power supply to be turned on/off.

As this application modified technical scheme, still include the controller, first roller shaft and second roller shaft all are different deformation recovery temperature from both ends to the middle section to the deformation recovery temperature that is located the tip is minimum, and middle section deformation recovery temperature is the highest.

As the improved technical scheme of the application, the front wheel comprises a hub and a roller sleeve sleeved on the hub; the hub is made of plastic, and the rolling sleeve is a silica gel sleeve; the rear wheel comprises a hub and a roller sleeve sleeved on the hub; the wheel hub is made of plastic materials, and the rolling sleeve is a silica gel sleeve.

As an improved technical scheme of the application, the front wheels and the rear wheels are both made of light wood; the surfaces of the front wheel and the rear wheel are coated with waterproof and anticorrosive paint; the waterproof anticorrosive paint comprises the following substances in parts by weight:

as an improved technical scheme of the application, the waterproof and anticorrosive coating is prepared by heating and melting paraffin at 50-160 ℃, then adding the fluorinated organic silicon resin and the Arabic gum in proportion into the melting paraffin, uniformly stirring to obtain a mixture, cooling the mixture to room temperature, adding the banana oil, and uniformly stirring; and before use, the mixture is kept at the temperature of 70-80 ℃ for 1-2h and then sprayed on the surfaces of the front wheel and the rear wheel.

Advantageous effects

The roller shafts of the front wheel and the rear wheel are made of shape memory alloy materials, when the roller shafts are used for different pipe diameters, only the power supply needs to be controlled to heat the roller shafts, and the width of the whole device is adjusted through bending of the roller shafts.

This application adopts a plurality of cleaning wires to rotate under the motor drives and realizes clear stifled, and the cleaning wire is radial, and it can be used for the jam of any form. If there is fibrous material, the washing silk is rolled up the winding, and follow-up cutting blade can cut not hard up fibrous material, avoids blockking up once more.

The front wheel and the rear wheel are respectively and independently controlled, so that the length of the roller shaft can be conveniently adjusted, and the blockage removing device is prevented from moving forwards in a pipeline.

In conclusion, the blockage clearing device is simple in structure and suitable for clearing various pipelines.

Drawings

FIG. 1 is a schematic diagram of the structure of the apparatus of the present application;

FIG. 2 is an enlarged view of a portion of a first roller axle of the present application;

FIG. 3 is a schematic view of another embodiment of the device of the present application.

In the figure, 1. power supply; 2. a second roller shaft; 3. a rear wheel; 4. a connecting shaft; 5. a fixing member; 6. a power shaft; 7. a cutting blade; 8. cleaning the silk; 9. a motor; 10. a first roller shaft; 11. a first heater wire; 12. an electric motor; 13. a front wheel.

Detailed Description

In order to make the purpose and technical solution of the embodiments of the present invention clearer, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

As shown in fig. 1, the pipeline blockage removing device based on the shape memory alloy comprises a roller assembly, an electric heating assembly, a power mechanism and a cleaning mechanism;

the roller assembly comprises a front wheel 13 group and a rear wheel 3 group; the front wheel 13 group comprises two front wheels 13 which are arranged at two ends by adopting a first roller shaft 10; the first roller shaft 10 is made of shape memory alloy, as shown in fig. 1-2, a first heating wire 11 is arranged in the first roller shaft 10; the first roller shaft 10 is linear after deformation, and when the first roller shaft 10 is preheated and deformed to recover, two ends are bent towards the same direction; the rear wheel 3 group comprises two rear wheels 3 which are arranged at two ends by adopting a second roller shaft 2; the second roller shaft 2 is made of shape memory alloy materials, and a second heating wire is arranged in the second roller shaft 2; the second roller shaft 2 is linear after deformation, and when the second roller shaft 2 is preheated and deformed to recover, two ends are bent towards the same direction; the roller device further comprises a connecting shaft 4, and the connecting shaft 4 is connected to the first roller shaft and the second roller shaft to achieve a stable integral structure.

In order to realize stable forward movement and avoid the blocking condition, the device also comprises four motors 12, wherein each motor 12 independently controls one front wheel 13 or one rear wheel 3; FIG. 1 is a structural view showing a first roller shaft 10 and a second roller shaft 2 deformed to be linear; fig. 3 is a structural view of the first roller shaft 10 and the second roller shaft 2 bent in the same direction after being deformed and restored.

In order to reduce the resistance of the device to advance in the pipeline, the front wheels 13 and the rear wheels 3 can adopt the following scheme:

in the first scheme, the front wheel 13 comprises a hub and a roller sleeve sleeved on the hub; the hub is made of plastic, and the rolling sleeve is a silica gel sleeve; the rear wheel 3 comprises a hub and a roller sleeve sleeved on the hub; the wheel hub is made of plastic materials, and the rolling sleeve is a silica gel sleeve.

In the second scheme, the front wheels 13 and the rear wheels 3 are both made of light wood; the surfaces of the front wheel 13 and the rear wheel 3 are coated with waterproof and anticorrosive paint; the waterproof anticorrosive paint comprises the following substances in parts by weight:

Figure BDA0002252325320000051

in order to facilitate the waterproof and anticorrosive paint to have good adhesion effect on the front wheel 13 and the rear wheel 3, the waterproof and anticorrosive paint is prepared by heating molten paraffin at 50-160 ℃, then adding the fluorinated organic silicon resin and the Arabic gum in proportion into the molten paraffin, stirring uniformly to obtain a mixture, cooling the mixture to room temperature, adding the banana oil, and stirring uniformly; and the temperature is kept at 70-80 ℃ for 1-2h before use, and then the mixture is sprayed on the surfaces of the front wheel 13 and the rear wheel 3.

The main principle of the method is that paraffin is dispersed in other organic substances to realize a waterproof effect, and the fluorinated organic silicon resin, the Arabic gum and the Japanese banana oil are mixed to realize the waterproof and the anticorrosion.

In order to realize deformation recovery, the heating assembly comprises a power supply 1, and the power supply 1 is used for supplying power to the first heating wire 11 and the second heating wire; the power supply 1 is arranged on the connecting shaft 4;

the device also comprises a controller which wirelessly controls the four motors 12 and the power supply 1 to be turned on/off. The first roller shaft 10 and the second roller shaft 2 are different in deformation recovery temperature from two ends to the middle section, the deformation recovery temperature at the end portions is the lowest, and the deformation recovery temperature at the middle section is the highest. It is preferable that the first roller shaft 10 is divided into first to fifth segments from one end to the other end, wherein the first segment and the fifth segment have the same first deformation recovery temperature, and the second segment and the fourth segment have the same second deformation recovery temperature. The third deformation temperature has a third deformation recovery temperature. Wherein the first deformation recovery temperature is less than the second deformation recovery temperature, which is less than the third deformation recovery temperature. The first roller shaft 10 and the second roller shaft 2 have the same bending when the preheating deformation is recovered.

In order to save space, the first roller shaft 10 is bent toward the cleaning mechanism side when the deformation is restored.

The power mechanism comprises a fixing piece 5, a power shaft 6 and a motor 9; the fixing piece 5 is fixed on the connecting shaft 4; the motor 9 is arranged on the first roller shaft and is positioned at the joint of the first roller shaft and the connecting shaft 4; the motor 9 is provided with a spring switch, the spring switch is pressed down, the motor 9 is started, the spring switch is released, and the motor 9 stops; the motor 9 is provided with an output shaft, and when the motor 9 is started, the motor 9 drives the output shaft to rotate.

The power shaft 6 is made of shape memory alloy, a third heating wire is arranged in the power shaft 6, the third heating wire is connected with the first power shaft 6 and is bent after being deformed, and the third heating wire is straight after being deformed and restored by heating; one end of the power shaft 6 is fixed on the fixing piece 5, the other end of the power shaft is staggered with a switch of the motor 9 after deformation, and the end of the power shaft 6 can press the spring type switch after deformation recovery.

The cleaning mechanism comprises a mounting part and a plurality of cleaning wires 8 which are fixed on the mounting part and are in scattering shape; the mounting portion is fixed to an output shaft of the motor 9. The surface of the cleaning wire 8 is provided with a nitrogen-nickel coating to improve the wear resistance and the high-strength cutting performance.

The cleaning mechanism further comprises a cutting blade 7, and the cutting blade 7 is arranged on a side line of the mounting part. The cutting blade 7 is provided with saw teeth.

The above are merely embodiments of the present invention, which are described in detail and with particularity, and therefore should not be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit of the present invention, and these changes and modifications are within the scope of the present invention.

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