Cleaning device and extraction equipment

Abstract

The embodiment of the utility model provides a cleaning device and extraction equipment. The cleaning device comprises a cleaning rod, a cleaning part, a connecting part and a traction part. The cleaning rod extends in the first direction and is used for fixing the cleaning part and other components on the cleaning rod, and the cleaning rod is matched with the extraction equipment in shape and plays a guiding role. The at least one cleaning part is arranged around the peripheral side of the cleaning rod and is used for cleaning the inner wall of the extraction tank. The connecting parts are used for fixing the traction part and arranged on the two sides of the cleaning rod at intervals, so that traction force borne by the cleaning rod is more balanced. The traction parts are used for pulling the cleaning rod to move, the at least two traction parts are fixedly connected with the connecting parts, the traction parts are fixedly connected to the connecting parts, and the traction parts are used for driving the cleaning rod to move in the first direction. The cleaning part can move along the preset path and scrape and remove rust, impurities and the like on the inner wall of the extraction tank, and the problem that the extraction tank is difficult to clean is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fiber processing and manufacturing, and particularly relates to a cleaning device and an extraction equipment. BACKGROUND

[0002] In the production process of ultra-high molecular weight polyethylene fiber, the extraction equipment in the extraction section usually uses a long and narrow flat extraction tank. After long-term use, there are many sundries and rust in the interior of the extraction tank, which has a negative impact on the product quality. In order to improve the product quality, the sundries in the extraction tank need to be cleaned. Due to the structural limitation of the extraction tank, the internal cavity of the extraction tank is low in height and long in length, and it is difficult to clean. CONTENT OF THE UTILITY MODEL

[0003] Embodiments of the present application provide a cleaning device and an extraction equipment, aiming to improve the problem that the extraction equipment is difficult to clean.

[0004] Embodiments of the first aspect of the present application provide a cleaning device, which is used for cleaning an extraction equipment for producing fibers. The cleaning device comprises: a cleaning rod extending in a first direction; at least one cleaning part arranged around the periphery of the cleaning rod; at least two connecting parts arranged at intervals on both sides of the cleaning rod; and at least two traction parts fixedly connected with the connecting parts, each of the traction parts being fixedly connected with a corresponding connecting part. The traction parts are used to move the cleaning rod arranged movably in the first direction so that the cleaning part scrapes the inner wall of an extraction tank of the extraction equipment.

[0005] According to any one of the preceding embodiments of the first aspect of the present application, the cleaning device further comprises a limiting part extending in the first direction and fixedly connected with the cleaning rod. The plurality of cleaning parts are arranged at intervals in the first direction and fixedly connected with the limiting part.

[0006] According to any one of the preceding embodiments of the first aspect of the present application, the number of limiting parts is a plurality. The plurality of limiting parts are arranged side by side at intervals in the circumferential direction of the cleaning rod.

[0007] According to any one of the preceding embodiments of the first aspect of the present application, the cleaning rod comprises a cleaning wall and a connecting wall arranged in the circumferential direction of the cleaning rod. The cleaning wall and the connecting wall are connected with each other. The cleaning part is arranged on the cleaning wall, and the connecting part is arranged on the connecting wall.

[0008] According to any one of the preceding embodiments of the first aspect of the present application, the two connecting walls are arranged at intervals, the two cleaning walls are arranged at intervals, and the two connecting walls and the two cleaning walls are alternately connected end to end.

[0009] According to any one of the preceding embodiments of the first aspect of the present application, the at least two connecting parts are arranged at intervals on both sides of the same connecting wall.

[0010] According to any one of the preceding embodiments of the first aspect of the present application, the two connecting parts are oppositely arranged at both ends of the cleaning rod.

[0011] Embodiments of the second aspect of the present application provide an extraction device comprising the cleaning device as described above.

[0012] According to any one of the preceding embodiments of the second aspect of the present application, the extraction device further comprises: an extraction tank, disposed along the first direction, the extraction tank comprising a wall portion, the wall portion enclosing a containing space for the extraction fibers, the wall portion comprising a top wall and two side walls connected to the top wall at two ends along the first direction, the side walls comprising a first opening for receiving and taking out the fibers, the top wall comprising a first access portion on both sides, and a connecting portion covering the first opening; a second access portion, the first access portion comprising a second opening disposed along the second direction, the second access portion protruding from the first access portion along the second direction and communicating with the containing space via the second opening, the second access portion comprising a top cover, the second access portion comprising a third opening disposed along the second direction, and the top cover covering the third opening; a first observation portion, the top cover comprising a first through hole, and the first observation portion covering the first through hole, the material of the first observation portion comprising glass or acrylic.

[0013] According to any one of the preceding embodiments of the second aspect of the present application, the extraction device further comprises a second observation portion, the connecting portion and the second access portion being provided with a second through hole extending along the second direction, and the second observation portion covering the second through hole.

[0014] In the cleaning device and the extraction device provided by the present application, the cleaning device comprises a cleaning rod, a cleaning portion, a connecting portion and a traction portion. The cleaning rod extends along a first direction, and is used to fix the cleaning portion and other components thereon. The cleaning rod is adapted to the shape of the extraction device and plays a guiding role. At least one cleaning portion is arranged around the side of the cleaning rod, and the cleaning portion is used to clean the inner wall of the extraction tank. The connecting portion is used to fix the traction portion, and at least two connecting portions are arranged on both sides of the cleaning rod to make the traction force on the cleaning rod more balanced. The traction portion is used to pull the cleaning rod to move, and at least two traction portions are fixedly connected with the connecting portion. Each traction portion is fixedly connected with each connecting portion. The traction portion is used to drive the cleaning rod to be movably arranged along the first direction. Under the guidance of the cleaning rod, the cleaning portion can move along a predetermined path and scrape and remove rust and impurities on the inner wall of the extraction tank, thereby improving the problem that the extraction device is difficult to clean. BRIEF DESCRIPTION OF DRAWINGS

[0015] Other characteristics, objects and advantages of the present application will become more apparent from the following detailed description of non-restrictive embodiments, with reference to the attached drawings, in which the same or similar reference signs refer to the same or similar features.

[0016] Fig. 1 is a structural schematic diagram of a cleaning device provided by an embodiment of the present application;

[0017] Fig. 2is a front view of an extraction device provided by an embodiment of the present application;

[0018] Fig. 3 is a top view of an extraction device provided by an embodiment of the present application.

[0019] Explanation of Reference Numerals:

[0020] 000 - cleaning rod; 001 - cleaning wall; 002 - connecting wall;

[0021] 100 - cleaning part;

[0022] 200 - connecting part;

[0023] 300 - pulling part;

[0024] 400 - limiting part;

[0025] 500 - extraction device; 510 - extraction tank; 511 - containing space; 520 - wall part; 521 - top wall;

[0026] 522 - side wall; 523 - first opening; 530 - first inspection part; 531 - second opening; 540 - second inspection part; 541 - top cover; 542 - third opening; 543 - first through hole; 550 - first observation part;

[0027] 560 - second observation part; 561 - second through hole; 562 - bolt;

[0028] X - first direction; Y - second direction. DETAILED DESCRIPTION

[0029] Features and exemplary embodiments of various aspects of the present application will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one of ordinary skill in the art that the present application can be practiced without some or all of these specific details. The description of the embodiments is merely illustrative of the present application and is not intended to limit the present application, as is apparent to one of ordinary skill in the art. In the following description of the embodiments, reference is made to the accompanying drawings that form a part hereof, and in which are shown by way of illustration various embodiments of the present application. The drawings are not necessarily to scale, the emphasis instead being placed upon illustrating the principles of the present application. The drawings are schematic and are intended to serve only as an aid in understanding the present application. In the drawings:

[0030] In the description of the present application, it should be noted that, unless otherwise specified, the meaning of "a plurality of" is more than two; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer" and the like is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0031] The orientation words appearing in the following description are the directions shown in the drawings, and do not limit the specific structure of the embodiments of the present application. In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] In the production process of ultra-high molecular weight polyethylene fiber, the extraction equipment of the extraction section generally uses a long and narrow flat type extraction tank. Because the internal cavity of the extraction tank is low in height and long in length, general tools cannot be used for cleaning. In order to solve the above problems, the embodiments of the present application provide a cleaning device and an extraction equipment. In the following, the cleaning device and the extraction equipment of the embodiments of the present application will be described in detail. Figs. 1-3 The cleaning device and the extraction equipment of the embodiments of the present application will be described in detail.

[0033] Please refer to Figs. 1-2 The embodiments of the first aspect of the present application provide a cleaning device for cleaning the extraction equipment 500 for producing fibers. The cleaning device comprises a cleaning rod 000, a cleaning part 100, a connecting part 200 and a traction part 300. The cleaning rod 000 extends along a first direction X, and at least one cleaning part 100 is arranged around the side of the cleaning rod 000. At least two connecting parts 200 are arranged on both sides of the cleaning rod 000, and the traction part 300 is fixedly connected with the connecting part 200. The number of the traction part 300 is at least two, each traction part 300 is fixedly connected with each connecting part 200, and the traction part 300 is used to drive the cleaning rod 000 to be movably arranged along the first direction X so that the cleaning part 100 scrapes the inner wall of the extraction tank 510 in the extraction equipment 500.

[0034] In the cleaning device provided in the application, the cleaning device comprises a cleaning rod 000, a cleaning part 100, a connecting part 200 and a traction part 300. The cleaning rod 000 extends along a first direction X, is used for fixing the cleaning part 100 and other parts thereon, and is matched with the shape of the extraction equipment 500 and plays a guiding role. At least one cleaning part 100 is arranged around the periphery of the cleaning rod 000, and the cleaning part 100 is used for cleaning the inner wall of the extraction tank 510. The connecting part 200 is used for fixing the traction part 300, and at least two connecting parts 200 are arranged at both sides of the cleaning rod 000, so that the traction force received by the cleaning rod 000 is more balanced. The traction part 300 is used for traction movement of the cleaning rod 000, and at least two traction parts 300 are fixedly connected with the connecting part 200. Each traction part 300 is fixedly connected with each connecting part 200. The traction part 300 is used for driving the cleaning rod 000 to be movably arranged along the first direction X. Under the guidance of the cleaning rod 000, the cleaning part 100 can move along the predetermined path and scrape and remove rust and impurities on the inner wall of the extraction tank 510, thereby improving the problem that the extraction equipment 500 is difficult to clean.

[0035] Optionally, the cleaning rod 000 can be a stainless steel pipe. The stainless steel pipe has low cost, is not easy to rust, has good corrosion resistance, and has long service life.

[0036] Optionally, the fiber can be an ultra-high molecular weight polyethylene fiber. The finished ultra-high molecular weight polyethylene fiber can be usually used for making ropes, fishing nets, and can also be used for spinning, bulletproofing, breeding, etc.

[0037] Optionally, the cleaning part 100 can be a cleaning cloth. The cleaning cloth is arranged in a closed ring shape around the cleaning rod 000, and the cleaning cloth material is simple and easy to replace. Optionally, the thickness of the cleaning cloth is determined according to the height of the extraction tank 510. For example, when the height of the extraction tank 510 is 15 cm, the thickness of the cleaning cloth can be 6 cm, which reduces the possibility of the cleaning rod 000 blocking the extraction tank 510 when cleaning the extraction tank 510.

[0038] Optionally, the cleaning part 100 can be a steel ball. At least one steel ball is arranged around the periphery of the cleaning rod 000. The rust and impurities on the inner wall of the extraction tank 510 are scraped and removed by the steel ball, the cleaning effect is better, and the problem that the extraction equipment 500 is difficult to clean is improved.

[0039] Optionally, the extension length of the cleaning rod 000 is greater than the length of the extraction tank 510. For example, the length of the extraction tank 510 can be 9-11 meters, and the length of the cleaning rod 000 can be 11-13 meters, so that the traction can be performed at both ends of the cleaning rod 000.

[0040] Optionally, the connecting part 200 can be a positioning ring. The connecting part 200 can be connected with the cleaning rod 000 by welding, and the process is simple and the connection effect is good.

[0041] Optionally, the traction part 300 can be one of a rope, a chain, etc. The traction part 300 can be a rope, which is light in weight. The traction part 300 can also be a chain, which has good corrosion resistance. Optionally, the structure of the traction part 300 is not specifically limited, as long as it can pull the cleaning rod 000 to move along the first direction X to clean the inner wall of the extraction tank 510.

[0042] In some optional embodiments, the cleaning device further comprises a limiting part 400, the limiting part 400 extends along the first direction X and is fixedly connected to the cleaning rod 000, and the plurality of cleaning parts 100 are arranged at intervals along the first direction X and are fixedly connected with the limiting part 400.

[0043] In these optional embodiments, the cleaning part 100 is fixed on the cleaning rod 000 by the limiting part 400, so that each cleaning part 100 maintains a fixed position during movement, improving the problem of deviation or falling of the cleaning part 100 due to the action of friction, thereby ensuring the consistency and reliability of the cleaning effect. Reducing the wear caused by the deviation of the cleaning part 100, prolonging the service life of the cleaning device. The plurality of cleaning parts 100 are arranged at intervals along the first direction X and are fixedly connected with the limiting part 400, which can complete the cleaning of multiple parts, shorten the cleaning time, and improve the cleaning efficiency.

[0044] In some optional embodiments, the number of limiting parts 400 is a plurality, and the plurality of limiting parts 400 are arranged side by side at intervals along the circumference of the cleaning rod 000.

[0045] In these optional embodiments, the plurality of limiting parts 400 are arranged side by side at intervals along the circumference of the cleaning rod 000, increasing the fixed point of the cleaning part 100 and the cleaning rod 000, further keeping each cleaning part 100 in a fixed position during movement, and improving the problem of deviation or falling of the cleaning part 100 due to the action of friction.

[0046] Optionally, the limiting part 400 can be a stainless steel strip, which has low cost and good wear resistance and corrosion resistance. Optionally, the length of the limiting part 400 can be less than or equal to the length of the cleaning rod 000, the length of the limiting part 400 can be 10-12 meters, and the inner diameter can be 19-21 mm, which meets the demand of fixing the cleaning part 100 and is not easy to damage.

[0047] In some optional embodiments, the cleaning rod 000 comprises a cleaning wall 001 and a connecting wall 002 arranged along the circumference of the cleaning rod 000, the cleaning wall 001 and the connecting wall 002 are connected with each other, the cleaning part 100 is arranged on the cleaning wall 001, and the connecting part 200 is arranged on the connecting wall 002.

[0048] In the alternative embodiments, the cleaning part 100 and the connecting part 200 are arranged on the cleaning wall 001 and the connecting wall 002 arranged circumferentially along the cleaning rod 000, that is, the projection of the connecting part 200 along the first direction X does not overlap the projection of the cleaning part 100 along the first direction X, thereby improving the problem that the connecting part 200 scratches the inner wall of the extraction tank 510 during cleaning.

[0049] Optionally, the cleaning rod 000 can be a square tube. For example, the cleaning rod 000 can further include a spacing wall arranged between the two connecting walls 002, and the spacing wall is arranged between the cleaning walls 001. The spacing wall is used to connect the two connecting walls 002. Only one cleaning wall 001 is arranged to clean the extraction tank 510, thereby saving the manufacturing process of the cleaning device while meeting the cleaning requirements.

[0050] In other alternative embodiments, the two connecting walls 002 are arranged at intervals, the two cleaning walls 001 are arranged at intervals, and the two connecting walls 002 and the two cleaning walls 001 are alternately connected end to end.

[0051] In the alternative embodiments, the two connecting walls 002 and the two cleaning walls 001 are alternately connected end to end. After cleaning one side of the inner wall of the extraction tank 510, the other side of the extraction tank 510 opposite to the one side can be cleaned without turning the cleaning rod 000, thereby saving the cleaning process.

[0052] Optionally, a plurality of cleaning parts 100 are arranged at intervals along the first direction X to form a group of cleaning parts 100. The cleaning parts 100 can be multiple groups. For example, the cleaning parts 100 can be two groups. The two groups of cleaning parts 100 are arranged at intervals circumferentially along the cleaning rod 000 on the cleaning wall 001, thereby further increasing the effective cleaning area and improving the cleaning effect and cleaning efficiency.

[0053] In some alternative embodiments, at least two connecting parts 200 are arranged at intervals on both sides of the same connecting wall 002.

[0054] In the alternative embodiments, the connecting walls 002 on both sides are provided with at least two connecting parts 200, thereby further increasing the stress points of the cleaning rod 000 and making the cleaning process more stable.

[0055] In some alternative embodiments, the two connecting parts 200 are arranged opposite to each other at both ends of the cleaning rod 000.

[0056] In the alternative embodiments, the two connecting parts 200 are arranged opposite to each other at both ends of the cleaning rod 000. Optionally, the cleaning rod 000 can be a square tube or a circular tube. The structure is simple, which meets the requirement of pulling the cleaning rod 000 while saving the manufacturing process of the connecting part 200.

[0057] Optionally, the diameter of the round tube can be 10 mm. Optionally, the cleaning rod 000 can be a square tube, and the size of the square tube can be 10 mm x 10 mm. The cleaning rod 000 with the above-mentioned size meets the rigidity requirement while being light in weight, and is convenient for cleaning.

[0058] Embodiments of the second aspect of the application provide an extraction device 500, as shown in Fig. 1 and Fig. 2 The extraction device 500 includes the cleaning device as described above.

[0059] In the extraction device 500 provided by the embodiments of the application, the extraction device 500 includes the cleaning device, and the cleaning device includes the cleaning rod 000, the cleaning part 100, the connecting part 200, and the traction part 300. The cleaning rod 000 extends along the first direction X, and is used to fix the cleaning part 100 and other components thereon. The cleaning rod 000 is adapted to the shape of the extraction device 500 and plays a guiding role. At least one cleaning part 100 is arranged around the periphery of the cleaning rod 000, and the cleaning part 100 is used to clean the inner wall of the extraction tank 510. The connecting part 200 is used to fix the traction part 300, and at least two connecting parts 200 are arranged at both sides of the cleaning rod 000 in a spaced manner, so that the traction force acting on the cleaning rod 000 is more balanced. The traction part 300 is used to pull the cleaning rod 000 to move, and at least two traction parts 300 are fixedly connected with the connecting part 200. Each traction part 300 is fixedly connected with each connecting part 200. The traction part 300 is used to drive the cleaning rod 000 to be movably arranged along the first direction X. Under the guidance of the cleaning rod 000, the cleaning part 100 can move along a predetermined path and scrape and remove rust and impurities on the inner wall of the extraction tank 510, thereby improving the problem that the extraction tank 510 is difficult to clean.

[0060] In some optional embodiments, as shown in Figs. 1-3As shown, the extraction device 500 further comprises an extraction tank 510, a first maintenance portion 530, a second maintenance portion 540 and a first observation portion 550. The extraction tank 510 is arranged along the first direction X and comprises a wall portion 520 which encloses a containing space 511 for the extraction fiber. The wall portion 520 comprises a top wall 521 and two side walls 522 connected to the top wall 521 at both ends along the first direction X. The side wall 522 comprises a first opening 523 for receiving and taking out the fiber. The first maintenance portion 530 is arranged on both sides of the top wall 521 and covers the first opening 523. The first maintenance portion 530 comprises a second opening 531 arranged along the second direction Y. The second maintenance portion 540 is arranged along the second direction Y and protrudes from the first maintenance portion 530 and communicates with the containing space 511 through the second opening 531. The second maintenance portion 540 comprises a top cover 541. The second maintenance portion 540 comprises a third opening 542 arranged along the second direction Y. The top cover 541 covers the third opening 542. The first observation portion 550 covers the first through hole 543. The material of the first observation portion 550 comprises glass or acrylic.

[0061] In these optional embodiments, the extraction tank 510 is used for extracting the fiber. The extraction tank 510 comprises a wall portion 520 which encloses a containing space 511 for placing the fiber and containing the extraction liquid. The side wall 522 comprises a first opening 523 for receiving and taking out the fiber and for communicating with the fiber stretching device. The first maintenance portion 530 is arranged on both sides of the top wall 521 and covers the first opening 523, so that the fiber can be maintained through the first opening 523 when the fiber is blocked or jammed. The second maintenance portion 540 is arranged along the second direction Y and protrudes from the first maintenance portion 530 and communicates with the containing space 511 through the second opening 531. The top cover 541 of the second maintenance portion 540 covers the third opening 542, so that the fiber can be stirred through the third opening 542 to improve the problem of incomplete extraction. The first observation portion 550 covers the first through hole 543. The material of the first observation portion 550 comprises at least one of glass or acrylic. The extraction situation can be observed through the first observation portion 550, so that problems occurring in the extraction process can be found in time. Optionally, the material of the first observation portion 550 can be transparent or translucent. The material of the first observation portion 550 is not limited as long as the extraction situation in the extraction tank 510 can be observed through the first observation portion 550.

[0062] Optionally, the fiber stretching device is used for stretching the fiber to have a suitable length.

[0063] Optionally, the first observation part 550 can be multiple, for example, three first observation parts 550 can be arranged at each side of the first maintenance part 530, providing more observation angles.

[0064] In some optional embodiments, the extraction device 500 further comprises a second observation part 560, the first maintenance part 530 and the second maintenance part 540 are provided with a second through hole 561 extending along the second direction Y, and the second observation part 560 covers the second through hole 561.

[0065] In these optional embodiments, the second observation part 560 extending along the second direction Y can observe the extraction of fibers from the side of the extraction tank 510, providing more observation angles and clearer observation effect.

[0066] Optionally, the material of the second observation part 560 comprises at least one of glass and acrylic, and the material of the second observation part 560 can be the same as or different from that of the first observation part 550. The material of the second observation part 560 is not specifically limited, as long as the extraction in the extraction tank 510 can be observed through the second observation part 560.

[0067] Optionally, the first observation part 550 and / or the second observation part 560 are fixedly connected with the extraction tank 510, for example, the first observation part 550 and / or the second observation part 560 can be connected with the extraction tank 510 by bolts 562, and a plurality of bolts 562 arranged at intervals are arranged around the circumferential side of the first observation part 550 and / or the second observation part 560, so as to increase the gap between the first observation part 550 and / or the second observation part 560 and the extraction tank 510, reduce the overflow of gas or liquid in the extraction tank 510, thereby affecting the operator, protecting the environment and improving the safety of the extraction process.

[0068] Although the present application has been described with reference to the preferred embodiments, various modifications can be made to it without departing from the scope of the application, and equivalent components can be substituted therefor. In particular, the technical features mentioned in each embodiment can be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A cleaning device for cleaning an extraction apparatus for producing fibres, characterised in that, The cleaning device comprises: a cleaning rod extending in a first direction; a cleaning part, at least one of which is arranged around the cleaning rod; a connecting part, at least two of which are arranged on both sides of the cleaning rod; a traction part, at least two of which are fixedly connected to the connecting part, each of which is fixedly connected to the connecting part, and which is used to move the cleaning rod in the first direction to make the cleaning part scrape the inner wall of the extraction tank of the extraction equipment.

2. The cleaning device of claim 1, wherein, The cleaning device further comprises a limiting part extending in the first direction and fixedly connected to the cleaning rod, and a plurality of cleaning parts are arranged in the first direction and fixedly connected to the limiting part.

3. The cleaning device of claim 2, wherein, The number of limiting parts is multiple, and multiple limiting parts are arranged in parallel along the circumference of the cleaning rod.

4. The cleaning device of claim 1, wherein, The cleaning rod comprises a cleaning wall and a connecting wall arranged along the circumference of the cleaning rod, the cleaning wall and the connecting wall are connected to each other, the cleaning part is arranged on the cleaning wall, and the connecting part is arranged on the connecting wall.

5. The cleaning device of claim 4, wherein, Two connecting walls are arranged in parallel, two cleaning walls are arranged in parallel, and two connecting walls and two cleaning walls are alternately connected end to end.

6. The cleaning device of claim 5, wherein, At least two connecting parts are arranged on both sides of the same connecting wall.

7. The cleaning device of claim 1, wherein, Two connecting parts are arranged at opposite ends of the cleaning rod.

8. An extraction apparatus characterised in that, The cleaning device comprises any one of claims 1-7.

9. The extraction apparatus of claim 8, wherein, The extraction equipment further comprises: an extraction tank extending in the first direction, the extraction tank comprising a wall part, the wall part enclosing a containing space for extracting the fiber, the wall part comprising a top wall and two side walls connected to both ends of the top wall in the first direction, the side wall comprising a first opening for receiving and taking out the fiber, and the top wall comprising a first maintenance part arranged on both sides of the first opening; a second maintenance part, the first maintenance part comprising a second opening arranged in a second direction, the second maintenance part protruding from the first maintenance part in the second direction and communicating with the containing space through the second opening, the second maintenance part comprising a top cover, the second maintenance part comprising a third opening arranged in the second direction, and the top cover being arranged on the third opening; a first observation part, the top cover comprising a first through hole, the first observation part being arranged to cover the first through hole, and the material of the first observation part comprising at least one of glass and acrylic.

10. The extraction apparatus of claim 9, wherein, The extraction equipment further comprises a second observation part, the connecting part and the second maintenance part are provided with a second through hole extending in the second direction, and the second observation part is arranged to cover the second through hole.

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