A cleaning device for a particle collector

Abstract

The present invention discloses a cleaning device for a particle collector, comprising: a main body, an adjusting mechanism, a clamping mechanism, a knocking mechanism and a flushing component, wherein the main body comprises a frame, a primary ear plate, a mounting plate, a secondary ear plate and casters, wherein two groups of primary ear plates are symmetrically fixedly connected on the right side of the top of the frame, the mounting plate is arranged directly above the frame, and two groups of secondary ear plates are symmetrically fixedly connected on the right side of the bottom of the mounting plate, the two groups of secondary ear plates are respectively hinged to the two groups of mounting plates, and four groups of casters are arranged and are respectively fixedly connected to the four corners of the bottom of the frame, and the beneficial effects are as follows: the device replaces manual knocking on the particle collector by arranging a knocking mechanism, thereby solving the problem that it is difficult to control the force when knocking on the particle collector manually, which easily causes damage to the particle collector, and the device can perform knocking and flushing operations at the same time, and the device can clamp and fix particle collectors of different specifications by arranging a clamping mechanism, and has a wide range of applications.

Description

Technical Field

[0001] The present invention relates to the technical field of particle trap cleaning, and in particular to a particle trap cleaning device. Background Art

[0002] A particulate filter is a device used to capture particulate matter in diesel engine exhaust. Its function is to capture particulate matter inside the filter to prevent it from entering the atmosphere, thereby reducing the pollution of diesel engine emissions to the environment. The particulate filter element is usually made of ceramic or metal fiber, with high temperature tolerance and long life. During use, it needs to be cleaned or replaced regularly to maintain its normal operation.

[0003] At present, the cleaning of particulate filters is mostly done manually. When cleaning, the particulate filter needs to be knocked first to shake off the carbon ash and the like attached to the inside, and then the impurities are flushed out with an air gun and a water gun in turn. The whole cleaning process is time-consuming and laborious, and it is difficult for humans to control the strength when knocking on the particulate filter, which can easily cause the outer shell of the particulate filter to be dented and damaged. Therefore, a cleaning device for a particulate filter is needed to solve the above problems. Summary of the invention

[0004] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0005] The present invention has been proposed in view of the above-mentioned problems.

[0006] Therefore, an object of the present invention is to provide a particle collector cleaning device, which is used to solve the problems that manual cleaning of the particle collector is time-consuming and labor-intensive, and the force is difficult to control when knocking the particle collector, which can easily cause damage to the particle collector.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a cleaning device for a particle collector, comprising:

[0008] The main body includes a frame, a primary ear plate, a mounting plate, a secondary ear plate and casters, wherein two groups of the primary ear plates are symmetrically fixedly connected on the right side of the top of the frame, the mounting plate is arranged directly above the frame, and two groups of the secondary ear plates are symmetrically fixedly connected on the right side of the bottom of the mounting plate, and the two groups of the secondary ear plates are respectively hinged to the two groups of the primary ear plates, and the casters are arranged in four groups and are respectively fixedly connected to the four corners of the bottom of the frame;

[0009] The adjusting mechanism comprises an adjusting screw, a primary threaded barrel and a connecting strip, wherein the adjusting screw is horizontally rotatably connected to the middle of the left side of the frame and penetrates the frame, the primary threaded barrel is arranged inside the frame and is threadedly connected to the adjusting screw, one end of the connecting strip is hinged to the primary threaded barrel, and the other end is hinged to the bottom of the mounting plate;

[0010] The clamping mechanism comprises two groups symmetrically arranged on the top of the frame, which include two groups of clamping jaw assemblies and one group of adjusting assemblies. Two groups of sliding grooves are provided on the top of the mounting plate to cooperate with the two groups of clamping jaw assemblies. The two groups of clamping jaw assemblies are slidably connected to the mounting plate through the two groups of sliding grooves respectively. The clamping jaw assembly comprises a slider, a threaded cylinder, a threaded claw and a secondary threaded cylinder. The slider is slidably connected to the sliding groove, the threaded cylinder is rotatably connected to the top of the slider, the threaded claw is in an inverted L-shape and has threads on both sides that fit with the threaded cylinder, the threaded claw is threadedly connected to the threaded cylinder, the bottom of the threaded claw is slidably connected to the slider and passes through the slider, the secondary threaded cylinder is fixedly connected to the bottom of the slider, and the adjusting assembly is threadedly connected to the secondary threaded cylinders of the two groups of clamping jaw assemblies, which is used to adjust the spacing between the two groups of threaded claws;

[0011] The striking mechanism comprises a U-shaped frame, a fixed slat, a driving motor, a three-pronged slat and a striking hammer, wherein the U-shaped frame is fixedly connected to the top of the mounting plate and is located between two groups of clamping jaw assemblies, the fixed slat is fixedly connected to the top of the U-shaped frame, the driving motor is fixedly connected to the right side of the fixed slat, the rotating shaft of the driving motor is rotatably connected to the fixed slat and passes through the fixed slat, the three-pronged slat is fixedly connected to the end of the driving motor rotating shaft, and the striking hammer is provided in three groups and is rotatably connected to the three ends of the left side of the three-pronged slat respectively;

[0012] The flushing assembly includes a mounting block, a top plate, a threaded pressure rod and a water gun. The mounting block is fixedly connected to the top of the mounting plate and is located on the left side of the clamping jaw assembly. A slot is provided on the top of the mounting block in the vertical direction. The top plate is fixedly connected to the top of the mounting block. The head of the water gun passes through the slot of the mounting block. The threaded pressure rod is threadedly connected to the top plate and penetrates through the top plate to resist the head of the water gun. The water gun is connected to a high-pressure water pump device.

[0013] As a preferred solution of the cleaning device of a particle collector described in the present invention, the adjusting assembly includes a bearing seat and a bidirectional screw, the bearing seat is provided with two groups and is respectively fixedly connected to the front and rear sides of the bottom of the mounting plate, the bidirectional screw is rotatably connected to the two groups of bearing seats and passes through the two groups of bearing seats, and the secondary threaded cylinders of the two groups of the clamping jaw assemblies are respectively threadedly connected to the two sides of the bearing seat with opposite thread directions.

[0014] As a preferred solution of the cleaning device for a particle collector described in the present invention, the left end of the adjusting screw is also fixedly connected to a primary turntable, and the primary turntable is arranged to coincide with the axis of the adjusting screw.

[0015] As a preferred solution of the cleaning device for a particle collector described in the present invention, a U-shaped push-pull rod is fixedly connected to the left side of the frame, and the opening of the U-shaped push-pull rod is arranged downward.

[0016] As a preferred solution of the cleaning device for a particle collector described in the present invention, the four groups of casters are all universal wheels, which are convenient for moving the device, and the four groups of casters also have built-in brakes to facilitate fixing the position of the device.

[0017] As a preferred solution of the cleaning device for a particle collector described in the present invention, the head of the striking hammer is made of rubber, and the surfaces of the U-shaped frame, the fixing strips and the striking hammer are all coated with anti-rust paint.

[0018] As a preferred solution of the cleaning device for a particle collector described in the present invention, the surfaces of the frame and the mounting plate are coated with anti-rust paint, and the surface of the threaded drum has anti-slip patterns.

[0019] As a preferred solution of the cleaning device for a particle collector described in the present invention, the front end of the bidirectional screw is also fixedly connected to a secondary turntable, and the secondary turntable is arranged to coincide with the axis of the bidirectional screw to ensure structural stability.

[0020] Beneficial effects of the present invention:

[0021] 1. The device sets up a knocking mechanism to replace manual knocking on the particle collector, which solves the problem that it is difficult to control the strength of manual knocking on the particle collector, which may easily cause damage to the particle collector.

[0022] 2. The device can perform knocking and flushing work at the same time, which improves the cleaning effect of the particle collector and saves manpower.

[0023] 3. The device can clamp and fix particle collectors of different specifications by setting a clamping mechanism, so that the device can clean a variety of particle collectors and has a wide range of applications.

[0024] 4. The water gun of the device can be replaced with an air gun, which can be used for water flushing or to blow out impurities through air flow, making it flexible to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0026] Figure 1 The figure is a schematic diagram of the overall structure of a cleaning device for a particle collector of the present invention.

[0027] Figure 2 For the present invention Figure 1 A magnified view of the structure of area A.

[0028] Figure 3 For the present invention Figure 1 A magnified view of the structure of region B.

[0029] Figure 4 The present invention is a schematic cross-sectional structural diagram of a cleaning device for a particle collector.

[0030] Figure 5 The figure is a bottom view structural schematic diagram of a cleaning device for a particle collector of the present invention.

[0031] Figure 6 The figure is a schematic structural diagram of a cleaning device for a particle collector according to the present invention.

[0032] Description of the drawings: 100, main body; 101, frame; 102, primary ear plate; 103, mounting plate; 103a, slide groove; 104, secondary ear plate; 105, caster; 106, U-shaped push-pull rod; 200, adjustment mechanism; 201, adjustment screw; 202, primary threaded cylinder; 203, connecting strip; 204, primary turntable; 300, clamping mechanism; 301, slider; 302, threaded turntable Cylinder; 303, threaded claw; 304, secondary threaded cylinder; 305, bearing seat; 306, bidirectional screw; 307, secondary turntable; 400, knocking mechanism; 401, U-shaped frame; 402, fixed slats; 403, driving motor; 404, three-pronged slats; 405, knocking hammer; 500, flushing assembly; 501, mounting block; 502, top plate; 503, threaded pressure rod; 504, water gun. DETAILED DESCRIPTION

[0033] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0034] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0035] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0036] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included. Example 1

[0037] A cleaning device for a particle collector comprises: a main body 100, an adjusting mechanism 200, a clamping mechanism 300, a knocking mechanism 400 and a flushing assembly 500.

[0038] The main body 100 includes a frame 101, a primary ear plate 102, a mounting plate 103, a secondary ear plate 104 and a caster 105. Two groups of primary ear plates 102 are symmetrically fixedly connected on the right side of the top of the frame 101. The mounting plate 103 is arranged directly above the frame 101. Two groups of secondary ear plates 104 are symmetrically fixedly connected on the right side of the bottom of the mounting plate 103. The two groups of secondary ear plates 104 are respectively hinged to the two groups of primary ear plates 102. Four groups of casters 105 are arranged and are respectively fixedly connected to the four corners of the bottom of the frame 101.

[0039] The adjusting mechanism 200 includes an adjusting screw 201, a primary threaded barrel 202 and a connecting strip 203. The adjusting screw 201 is horizontally rotatably connected to the middle of the left side of the frame 101 and passes through the frame 101. The primary threaded barrel 202 is arranged on the inner side of the frame 101 and is threadedly connected to the adjusting screw 201. One end of the connecting strip 203 is hinged to the primary threaded barrel 202, and the other end is hinged to the bottom of the mounting plate 103.

[0040] It should be noted that the adjustment mechanism is used to adjust the inclination of the particle collector to facilitate water flow or air flow to flush out impurities.

[0041] The clamping mechanism 300 is symmetrically arranged with two groups on the top of the frame 101, including two groups of clamping jaw assemblies and one group of adjustment assemblies. Two groups of slide grooves 103a are provided on the top of the mounting plate 103 to cooperate with the two groups of clamping jaw assemblies. The two groups of clamping jaw assemblies are slidably connected with the mounting plate 103 through the two groups of slide grooves 103a respectively. The clamping jaw assembly includes a slider 301, a threaded rotating cylinder 302, a threaded clamping jaw 303 and a secondary threaded cylinder 304. The slider 301 is slidably connected with the slide groove 103a. The threaded rotating cylinder 302, a threaded clamping jaw 303 and a secondary threaded cylinder 304. The slider 301 is slidably connected with the slide groove 103a. The threaded cylinder 302 is rotatably connected to the top of the slider 301, the threaded claw 303 is in an inverted L-shape and has threads on both sides that match the threaded cylinder 302, the threaded claw 303 is threadedly connected to the threaded cylinder 302, the bottom of the threaded claw 303 is slidably connected to the slider 301 and passes through the slider 301, the secondary threaded cylinder 304 is fixedly connected to the bottom of the slider 301, and the adjustment component is threadedly connected to the secondary threaded cylinder 304 of the two sets of jaw assemblies, which is used to adjust the spacing between the two sets of threaded claws 303.

[0042] The striking mechanism 400 includes a U-shaped frame 401, a fixed slat 402, a driving motor 403, a three-pronged slat 404 and a striking hammer 405. The U-shaped frame 401 is fixedly connected to the top of the mounting plate 103 and is located between two groups of clamping jaw assemblies. The fixed slat 402 is fixedly connected to the top of the U-shaped frame 401. The driving motor 403 is fixedly connected to the right side of the fixed slat 402. The rotating shaft of the driving motor 403 is rotatably connected to the fixed slat 402 and passes through the fixed slat 402. The three-pronged slat 404 is fixedly connected to the end of the rotating shaft of the driving motor 403. The striking hammer 405 is provided in three groups and is rotatably connected to the three ends of the left side of the three-pronged slat 404 respectively.

[0043] The flushing assembly 500 includes a mounting block 501, a top plate 502, a threaded pressure rod 503 and a water gun 504. The mounting block 501 is fixedly connected to the top of the mounting plate 103 and is located on the left side of the clamping jaw assembly. A slot is provided on the top of the mounting block 501 in the vertical direction. The top plate 502 is fixedly connected to the top of the mounting block 501. The tip of the water gun 504 passes through the slot of the mounting block 501. The threaded pressure rod 503 is threadedly connected to the top plate 502 and penetrates through the top plate 502 to resist the tip of the water gun 504. The water gun 504 is connected to a high-pressure water pump device.

[0044] It should be noted that the four sets of casters 105 are all universal wheels, and the four sets of casters 105 also have built-in brakes to facilitate the movement and fixation of the device. The head of the knock hammer 405 is made of rubber to prevent damage to the particle collector. The surfaces of the U-shaped frame 401, the fixed slats 402 and the knock hammer 405 are coated with anti-rust paint, and the surfaces of the frame 101 and the mounting plate 103 are coated with anti-rust paint. The anti-rust paint is used to prevent the device from rusting and increase the service life of the device. The surface of the threaded drum 302 has anti-slip patterns to prevent slipping during rotation and improve the feel of use. Example 2

[0045] A cleaning device for a particle collector is disclosed. Based on Example 1, the adjusting component includes a bearing seat 305 and a bidirectional screw 306. The bearing seat 305 is provided with two groups and is respectively fixedly connected to the front and rear sides of the bottom of the mounting plate 103. The bidirectional screw 306 is rotatably connected to the two groups of bearing seats 305 and passes through the two groups of bearing seats 305. The secondary threaded cylinders 304 of the two groups of jaw assemblies are respectively threadedly connected to the two sides of the bearing seats 305 in opposite thread directions.

[0046] In addition, a primary turntable 204 is fixedly connected to the left end of the adjusting screw 201. The primary turntable 204 is arranged to coincide with the axis of the adjusting screw 201. The primary turntable 204 is used to facilitate the rotation of the adjusting device.

[0047] In addition, a U-shaped push-pull rod 106 is fixedly connected to the left side of the frame 101, and the opening of the U-shaped push-pull rod 106 is set downward. The U-shaped push-pull rod 106 facilitates the push-pull movement of the device. The front end of the bidirectional screw 306 is also fixedly connected to a secondary turntable 307. The secondary turntable 307 is set to coincide with the axis of the bidirectional screw 306. The secondary turntable 307 is used to facilitate the rotation of the bidirectional screw 306.

[0048] Working principle: When in use, place the particle collector on top of the mounting plate 103, and rotate the two sets of secondary turntables 307 in turn. The secondary turntables 307 drive the bidirectional screw 306 to rotate. When the bidirectional screw 306 rotates, the two sets of sliders 301 are driven to move in opposite directions through the two sets of secondary threaded cylinders 304. The sliders 301 drive the threaded claws 303 to move. After adjusting to the four sets of threaded claws 303 clamping the two sides of the particle collector, the four sets of threaded rotating cylinders 302 are rotated in turn. The threaded rotating cylinders 302 rotate to drive the threaded claws 303 to move up and down. After adjusting to the four sets of threaded claws 303 clamping the particle collector, the particle collector is fixed;

[0049] The primary turntable 204 is rotated, the primary turntable 204 drives the adjusting screw 201 to rotate, the adjusting screw 201 drives the primary threaded barrel 202 to move along the adjusting screw 201, the primary threaded barrel 202 pushes and pulls the mounting plate 103 through the connecting strips 203, and the mounting plate 103 is adjusted to tilt downward, the driving motor 403 drives the three-pronged strips 404 to rotate, the three-pronged strips 404 drive the three sets of knocking hammers 405 to knock the particle collector, and the carbon ash and the like attached to the particle collector are shaken off;

[0050] The water gun 504 injects water into the particle collector, and the carbon ash is flushed out by the knocking of the hammer 405. Before flushing the particle collector with the water gun 504, the threaded pressure rod 503 can be rotated first to move the threaded pressure rod 503 upward. The threaded pressure rod 503 no longer clamps the water gun 504, and the water gun 504 can be pulled out. After the air gun head is inserted into the slot of the mounting block 501, the threaded pressure rod 503 is rotated in the opposite direction to fix the gun head. The carbon ash in the particle collector can be blown out by the air gun first, and then flushed with the water gun 504 to further ensure the cleaning effect.

[0051] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A cleaning device for a particle collector, characterized in that: include: A main body (100) comprises a frame (101), a primary ear plate (102), a mounting plate (103), a secondary ear plate (104) and casters (105); two groups of the primary ear plates (102) are symmetrically fixedly connected on the right side of the top of the frame (101); the mounting plate (103) is arranged directly above the frame (101); two groups of the secondary ear plates (104) are symmetrically fixedly connected on the right side of the bottom of the mounting plate (103); the two groups of the secondary ear plates (104) are respectively hinged to the two groups of the primary ear plates (102); and four groups of the casters (105) are arranged and are respectively fixedly connected to the four corners of the bottom of the frame (101); An adjusting mechanism (200) comprising an adjusting screw (201), a primary threaded barrel (202) and a connecting strip (203), wherein the adjusting screw (201) is horizontally rotatably connected to the middle of the left side of the frame (101) and penetrates the frame (101), the primary threaded barrel (202) is arranged inside the frame (101) and is threadedly connected to the adjusting screw (201), and one end of the connecting strip (203) is hinged to the primary threaded barrel (202), and the other end is hinged to the bottom of the mounting plate (103); A clamping mechanism (300), wherein the clamping mechanism (300) is symmetrically arranged with two groups on the top of the frame (101), including two groups of clamping jaw assemblies and one group of adjustment assemblies, and the top of the mounting plate (103) is provided with two groups of slide grooves (103a) to cooperate with the two groups of clamping jaw assemblies, and the two groups of clamping jaw assemblies are respectively slidably connected to the mounting plate (103) through the two groups of slide grooves (103a), and the clamping jaw assembly includes a slider (301), a threaded rotating cylinder (302), a threaded clamping jaw (303) and a secondary threaded cylinder (304), the slider (301) is slidably connected to the slide groove (103a), the threaded rotating cylinder (302) is rotatably connected to the top of the slider (301), the threaded clamping jaw (303) is in an inverted L-shape and has threads on both sides that match the threaded rotating cylinder (302), and the threaded clamping jaw (303) is connected to the threaded rotating cylinder (302). The threaded rotating cylinder (302) is threadedly connected, the bottom of the threaded clamping claw (303) is slidably connected to the slider (301) and passes through the slider (301), the secondary threaded cylinder (304) is fixedly connected to the bottom of the slider (301), the adjustment component is threadedly connected to the secondary threaded cylinder (304) of the two groups of clamping claw assemblies, and is used to adjust the spacing between the two groups of threaded clamping claws (303), the adjustment component includes a bearing seat (305) and a bidirectional screw (306), the bearing seat (305) is provided with two groups and is respectively fixedly connected to the front and rear sides of the bottom of the mounting plate (103), the bidirectional screw (306) is rotatably connected to the two groups of bearing seats (305) and passes through the two groups of bearing seats (305), and the two groups of secondary threaded cylinders (304) of the clamping claw assemblies are respectively threadedly connected to the two sides of the bearing seat (305) with opposite thread directions. A striking mechanism (400) comprising a U-shaped frame (401), a fixed slat (402), a driving motor (403), a three-pronged slat (404) and a striking hammer (405), wherein the U-shaped frame (401) is fixedly connected to the top of the mounting plate (103) and is located between two groups of clamping jaw assemblies, the fixed slat (402) is fixedly connected to the top of the U-shaped frame (401), the driving motor (403) is fixedly connected to the right side of the fixed slat (402), the rotating shaft of the driving motor (403) is rotationally connected to the fixed slat (402) and passes through the fixed slat (402), the three-pronged slat (404) is fixedly connected to the end of the rotating shaft of the driving motor (403), and the striking hammer (405) is provided in three groups and is rotationally connected to the three ends of the left side of the three-pronged slat (404) respectively; A flushing assembly (500) comprises a mounting block (501), a top plate (502), a threaded pressure rod (503) and a water gun (504); the mounting block (501) is fixedly connected to the top of the mounting plate (103) and is located on the left side of the clamping jaw assembly; a slot is provided on the top of the mounting block (501) in a vertical direction; the top plate (502) is fixedly connected to the top of the mounting block (501); a gun head of the water gun (504) passes through the slot of the mounting block (501); the threaded pressure rod (503) is threadedly connected to the top plate (502) and passes through the top plate (502) and then abuts against the gun head of the water gun (504); and the water gun (504) is connected to a high-pressure water pump device.

2. A cleaning device for a particle collector according to claim 1, characterized in that: The left end of the adjusting screw (201) is also fixedly connected to a primary rotating disk (204), and the primary rotating disk (204) is arranged to coincide with the axis of the adjusting screw (201).

3. A cleaning device for a particle collector according to claim 1, characterized in that: A U-shaped push-pull rod (106) is also fixedly connected to the left side of the frame (101), and the opening of the U-shaped push-pull rod (106) is arranged downward.

4. A cleaning device for a particle collector according to claim 1, characterized in that: The four sets of casters (105) are all universal wheels, and the four sets of casters (105) are also equipped with brakes.

5. A cleaning device for a particle collector according to claim 1, characterized in that: The head of the striking hammer (405) is made of rubber, and the surfaces of the U-shaped frame (401), the fixing strip (402) and the striking hammer (405) are all coated with anti-rust paint.

6. A cleaning device for a particle collector according to claim 1 or 5, characterized in that: The surfaces of the frame (101) and the mounting plate (103) are coated with anti-rust paint, and the surface of the threaded rotating cylinder (302) has anti-slip patterns.

7. A cleaning device for a particle collector according to claim 2, characterized in that: The front end of the bidirectional screw (306) is also fixedly connected to a secondary rotating disk (307), and the secondary rotating disk (307) is arranged to coincide with the axis of the bidirectional screw (306).

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