Riverway floating object cleaning device

Abstract

The application discloses a river floating object cleaning device and relates to the technical field of river floating object cleaning. The river floating object cleaning device comprises a collecting barrel, a mounting pipe is slidably connected to the collecting barrel, the upper end of the mounting pipe is provided with a sealing plate, the upper end of the mounting pipe is connected with a floating plate through a mounting assembly, and the floating plate is provided with a sealing assembly for sealing after floating objects in the collecting barrel are collected. The river floating object cleaning device is convenient for collecting and cleaning floating objects at different positions of a river through the cooperation of a moving assembly, a blocking prevention assembly, a pushing assembly and a driving assembly, the cleanliness of the surface of the mounting pipe is ensured, and the efficiency of filtering and collecting floating objects in the river is prevented from being affected by the blocking of the surface of the filter hole by part of the floating objects in the river.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of river floating object cleaning, in particular to a river floating object cleaning device. BACKGROUND

[0002] River floating objects are solid wastes with persistence, artificial manufacturing or processing in river environment, which can not only float on the water surface, but also gradually sink into the river bottom due to time deposition, and are a kind of material that causes great harm to ecology. At present, the number of river floating objects is very large, and the garbage is mainly plastic bags, cigarette butts, polystyrene, etc. The average number of these garbage is 0.8 per 100 square meters, and among these garbage, the plastic garbage is the most, accounting for 66% of the total.

[0003] The cleaning methods for river floating objects mainly include manual cleaning and equipment assisted cleaning. The equipment assisted cleaning mainly includes the cleaning assisted by salvage ships and self-suction garbage cleaning barrels. In the process of cleaning river floating objects by salvage ships, the labor intensity is large and the cleaning cost is high. In the process of cleaning river floating objects by self-suction garbage cleaning barrels, the installation position of the cleaning barrel is limited, so that the cleaning barrel can only clean the river floating objects around the installation position in the using process, and the filtered river floating objects are directly stored in the inside of the cleaning barrel in the cleaning process. The long-term accumulation and placement of river floating objects can cause decay and odor, which is not convenient for the cleaning operation of river floating objects. SUMMARY

[0004] The present application aims to provide a river floating object cleaning device to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a river floating object cleaning device, comprising a collecting barrel, a mounting pipe is slidably connected to the collecting barrel, the upper end of the mounting pipe is sealed, a floating plate is connected to the upper end of the mounting pipe through a mounting assembly, a sealing assembly for sealing after the floating object is collected by the collecting barrel is arranged on the floating plate, the lower end of the mounting pipe is below the collecting barrel and is fixed with a connecting pipe, a water pump for pumping air in the mounting pipe is mounted at the lower end of the connecting pipe, a plurality of filter holes are arranged on the side wall of the collecting barrel inside the mounting pipe, each filter hole is in communication with the inside of the collecting barrel and the mounting pipe, an adjusting assembly for adjusting the distance between the upper end of the collecting barrel and the floating plate and a guiding assembly for guiding during the adjusting process are arranged at the lower end of the collecting barrel, two annular plates are connected to the side wall of the collecting barrel inside the mounting pipe through a rotating assembly, each filter hole is located between the two annular plates, a anti-blocking assembly for preventing blocking during the filtering process of each filter hole is arranged between the two annular plates, and a moving assembly for moving the collecting barrel during the collecting process is arranged on the collecting barrel.

[0006] Preferably, the anti-blocking assembly comprises a U-shaped frame, two ends of the U-shaped frame are fixed with two annular plates respectively, a scraper is connected with the U-shaped frame through a pushing assembly, the scraper is arranged against the outer side of the installation pipe under the pushing of the pushing assembly, and a driving assembly for driving the U-shaped frame is arranged between the U-shaped frame and the installation pipe.

[0007] Preferably, the pushing assembly comprises a plurality of T-shaped rods which are slidably connected with the U-shaped frame, one end of each T-shaped rod is fixed with the scraper, a spring is sleeved on the side wall of each T-shaped rod, and two ends of each spring are connected with one end of the T-shaped rod and the U-shaped frame respectively, and the scraper is arranged against the outer side of the installation pipe under the elastic force of each spring.

[0008] Preferably, the driving assembly comprises a driving shaft which is rotatably connected with the U-shaped frame, a gear is fixed at one end of the driving shaft, a gear ring is fixed on the outer side of the installation pipe, the gear and the gear ring are arranged in meshing mode, and a first motor for driving the driving shaft is installed on the U-shaped frame.

[0009] Preferably, the rotating assembly comprises an annular groove which is formed in the inner wall of the annular plate, an annular strip is slidably connected with the annular groove, the annular strip is fixed with the outer side of the installation pipe, and the cross sections of the annular groove and the annular strip are arranged in T-shaped mode.

[0010] Preferably, the mounting assembly comprises a threaded sleeve which is fixed at the lower end of the floating plate, a threaded rod is fixed at the upper end of the installation pipe, and the threaded sleeve and the threaded rod are arranged in matching mode.

[0011] Preferably, the sealing assembly comprises a sealing plate which is fixed at the upper end of the floating plate, the outer diameter of the sealing plate is larger than the outer diameter of the collecting barrel, and a conical surface is formed at the lower end of the sealing plate.

[0012] Preferably, the adjusting assembly comprises a first fixed plate which is fixed on the side wall of the installation pipe, a lead screw is rotatably connected with the first fixed plate, a threaded tube is threadedly connected with the lead screw, the other end of the threaded tube is fixed with the lower end of the collecting barrel, and a second motor for driving the lead screw is installed at the lower end of the first fixed plate.

[0013] Preferably, the guiding assembly comprises a second fixed plate which is fixed on the outer side wall of the installation pipe, the first fixed plate and the second fixed plate are arranged in a symmetrical mode on the outer side of the installation pipe and are located below the collecting barrel, a slide rod is fixed at the upper end of the second fixed plate, a sleeve pipe is slidably connected with the slide rod, and the sleeve pipe is fixed with the lower end of the collecting barrel.

[0014] Preferably, the moving assembly is provided with four groups, and the four groups of the moving assembly annular array are arranged around the collecting barrel, the moving assembly comprises an L-shaped plate fixed outside the collecting barrel, a mounting shaft is rotatably connected to the L-shaped plate, one end of the mounting shaft is fixed with a fan blade, and a third motor for driving the mounting shaft is mounted on the L-shaped plate.

[0015] Compared with the prior art, the beneficial effects of the present application are:

[0016] The river floating object cleaning device, through the cooperation of the moving assembly, the anti-blocking assembly, the pushing assembly and the driving assembly, facilitates the collection and cleaning of the floating objects at different positions of the river by the collecting barrel, ensures the cleanliness of the surface of the installation pipe, avoids the blockage of the surface of the filter hole by part of the river floating objects during the filtering and collecting process, affects the efficiency of the collecting barrel in filtering and collecting the river floating objects, and after the collection is completed, the inside of the collecting barrel is sealed by the sealing plate, so as to avoid the long-term accumulation and soaking of the river floating objects in the collecting barrel, cause the rotting of the river floating objects, and cause the odor to flow out, thereby improving the cleaning effect of the river floating objects. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall shape structure of the present application;

[0018] Figure 2 It is a schematic diagram of the adjusting assembly and the guiding assembly structure of the present application;

[0019] Figure 3 It is a schematic diagram of the mounting assembly structure of the present application;

[0020] Figure 4 It is a schematic diagram of the anti-blocking assembly, the pushing assembly and the driving assembly structure of the present application;

[0021] Figure 5 It is a schematic diagram of the rotating assembly structure of the present application;

[0022] Figure 6 It is Figure 1 It is an enlarged structure schematic diagram of position A in the present application;

[0023] Figure 7 It is Figure 2 It is an enlarged structure schematic diagram of position B in the present application;

[0024] Figure 8 It is Figure 4 It is an enlarged structure schematic diagram of position C in the present application;

[0025] Figure 9 It is Figure 5 It is an enlarged structure schematic diagram of position D in the present application.

[0026] In the figure: 1, collecting barrel; 2, installation pipe; 301, threaded sleeve; 302, threaded rod; 4, floating plate; 501, sealing plate; 502, conical surface; 6, connecting pipe; 7, water pump; 801, first fixed plate; 802, screw rod; 803, threaded pipe; 804, second motor; 901, second fixed plate; 902, sliding rod; 903, sleeve pipe; 1001, L-shaped plate; 1002, installation shaft; 1003, fan blade; 1004, third motor; 11, filter hole; 12, annular plate; 1301, annular groove; 1302, annular strip; 1401, U-shaped frame; 1402, scraper; 1501, T-shaped rod; 1502, spring; 1601, driving shaft; 1602, gear; 1603, gear ring; 1604, first motor. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0028] Please refer to Figures 1-9The application provides a technical scheme: a river floating object cleaning device, which comprises a collecting barrel 1, an installation pipe 2 is slidably connected to the collecting barrel 1, the upper end of the installation pipe 2 is provided with a sealing plate 501, the upper end of the installation pipe 2 is connected with a floating plate 4 through an installation assembly, the floating plate 4 is provided with a sealing assembly for sealing after the floating object collected by the collecting barrel 1, the lower end of the installation pipe 2 is located below the collecting barrel 1 and is fixedly connected with a connecting pipe 6, the lower end of the connecting pipe 6 is provided with a water pump 7 for pumping air in the installation pipe 2, a plurality of filter holes 11 are formed in the side wall of the collecting barrel 1 and located inside the collecting barrel 1, each filter hole 11 is in communication with the inside of the collecting barrel 1 and the installation pipe 2, the lower end of the collecting barrel 1 is provided with an adjusting assembly for adjusting the distance between the upper end of the collecting barrel 1 and the floating plate 4 and a guiding assembly for guiding during the adjustment, two annular plates 12 are connected to the side wall of the collecting barrel 1 and located inside the collecting barrel 1 through a rotating assembly, each filter hole 11 is located between the two annular plates 12, and an anti-blocking assembly for preventing blocking during the filtering of each filter hole 11 is arranged between the two annular plates 12, the collecting barrel 1 is provided with a moving assembly for moving the collecting barrel 1 during the collection, through the cooperation of the moving assembly, the anti-blocking assembly, the pushing assembly and the driving assembly, the collecting barrel 1 can collect and clean floating objects at different positions of the river, the cleanliness of the surface of the installation pipe 2 is ensured, the surface of the filter hole 11 is prevented from being blocked by part of the river floating objects during the filtering and collecting process, the efficiency of the collecting barrel 1 in filtering and collecting the river floating objects is ensured, and after the collection is completed, the inside of the collecting barrel 1 is sealed by the sealing plate 501, so that the river floating objects collected in the collecting barrel 1 are prevented from being accumulated and soaked for a long time to cause decay and odor to flow out, and the effect of cleaning the river floating objects is improved.

[0029] The anti-blocking assembly comprises a U-shaped frame 1401, the two ends of the U-shaped frame 1401 are fixedly connected with the two annular plates 12, a scraper 1402 is connected to the U-shaped frame 1401 through a pushing assembly, the scraper 1402 is arranged in abutment with the outer side of the installation pipe 2 under the pushing of the pushing assembly, and a driving assembly for driving the U-shaped frame 1401 is arranged between the U-shaped frame 1401 and the installation pipe 2.

[0030] The pushing assembly comprises a plurality of T-shaped rods 1501 slidably connected to the U-shaped frame 1401, one end of each T-shaped rod 1501 is fixedly connected with the scraper 1402, a spring 1502 is sleeved on the side wall of each T-shaped rod 1501, and the two ends of each spring 1502 are connected with one end of the T-shaped rod 1501 and the U-shaped frame 1401, respectively. The scraper 1402 is in abutment with the outer side of the installation pipe 2 under the elastic force of each spring 1502, and each spring 1502 facilitates extrusion and pushing of the scraper 1402.

[0031] The driving assembly comprises a driving shaft 1601 rotatably connected to the U-shaped frame 1401, one end of the driving shaft 1601 is fixed with a gear 1602, the outer portion of the installation pipe 2 is fixed with a gear ring 1603, the gear 1602 and the gear ring 1603 are arranged in meshing relationship, the U-shaped frame 1401 is provided with a first motor 1604 for driving the driving shaft 1601, in the process of filtering and collecting the river floating objects, the first motor 1604 is started, the driving shaft 1601 is driven to rotate by the first motor 1604, in the process of rotation of the driving shaft 1601, the gear 1602 is driven to rotate, in the process of rotation of the gear 1602, the U-shaped frame 1401 is driven to move by the meshing transmission between the gear 1602 and the gear ring 1603, in the process of movement of the U-shaped frame 1401, the U-shaped frame 1401 after being stressed rotates around the installation pipe 2 by the rotating guide action of the annular groove 1301 and the annular strip 1302, in the process of rotation of the U-shaped frame 1401 around the installation pipe 2, the scraper 1402 is pushed to keep abutting against the outer side of the installation pipe 2 by the pushing assembly, the surface of the installation pipe 2 is cleaned by the abutting action of the scraper 1402, so as to avoid the influence of the partial river floating objects on the surface of the filter hole 11 in the process of filtering and collecting, and the efficiency of the collection barrel 1 in filtering and collecting the river floating objects is improved.

[0032] The rotating assembly comprises an annular groove 1301 formed in the inner wall of the annular plate 12, the annular strip 1302 is slidably connected to the annular groove 1301, the annular strip 1302 is fixed to the outer side of the installation pipe 2, the cross sections of the annular groove 1301 and the annular strip 1302 are T-shaped, and the annular groove 1301 and the annular strip 1302 facilitate the stressed rotation of the annular plate 12.

[0033] The mounting assembly comprises a threaded sleeve 301 fixed to the lower end of the floating plate 4, the upper end of the installation pipe 2 is fixed with a threaded rod 302, the threaded sleeve 301 and the threaded rod 302 are arranged in matching relationship, and the threaded sleeve 301 and the threaded rod 302 facilitate the mounting of the floating plate 4 on the upper end of the installation pipe 2.

[0034] The sealing assembly comprises a sealing plate 501 fixed to the upper end of the floating plate 4, the outer diameter of the sealing plate 501 is larger than the outer diameter of the collection barrel 1, and the lower end of the sealing plate 501 is provided with a tapered surface 502.

[0035] The adjusting assembly comprises a first fixing plate 801 fixed on the side wall of the mounting pipe 2, a screw rod 802 rotatably connected to the first fixing plate 801, a threaded pipe 803 threadedly engaged with the screw rod 802, one end of the threaded pipe 803 fixed to the lower end of the collecting barrel 1, and a second motor 804 installed at the lower end of the first fixing plate 801 for driving the screw rod 802; the guiding assembly comprises a second fixing plate 901 fixed on the outer side wall of the mounting pipe 2, the first fixing plate 801 and the second fixing plate 901 symmetrically arranged outside the mounting pipe 2 and located below the collecting barrel 1, a sliding rod 902 fixed to the upper end of the second fixing plate 901, and a sleeve 903 slidably connected to the sliding rod 902 and fixed to the lower end of the collecting barrel 1; the second motor 804 is started to drive the screw rod 802 to rotate, and in the process of rotation of the screw rod 802, the collecting barrel 1 is driven to move under stress through the transmission between the screw rod 802 and the threaded pipe 803; in the process of forced movement of the collecting barrel 1, the collecting barrel 1 after being stressed moves towards or away from the sealing plate 501 through the guiding action of the sliding rod 902 and the sleeve 903, so as to facilitate the adjustment of the gap between the collecting barrel 1 and the sealing plate 501, avoid the blockage in the process of the river floating objects entering, and make the upper end of the collecting barrel 1 abut against the conical surface 502 on the lower side of the sealing plate 501 through the close movement of the collecting barrel 1 and the sealing plate 501, so as to seal the inside of the collecting barrel 1 through the sealing plate 501, avoid the rotten odor generated by the long-term accumulation and soaking of the river floating objects collected in the collecting barrel 1 from flowing out, and improve the cleaning effect of the river floating objects.

[0036] The moving assembly is provided with four groups, and the four groups of moving assemblies are arranged in an annular array around the collecting barrel 1; the moving assembly comprises an L-shaped plate 1001 fixed outside the collecting barrel 1, an installation shaft 1002 rotatably connected to the L-shaped plate 1001, a fan blade 1003 fixed to one end of the installation shaft 1002, and a third motor 1004 installed on the L-shaped plate 1001 for driving the installation shaft 1002; the third motor 1004 is started to drive the fan blade 1003 to rotate, the collecting barrel 1 is driven to move under stress through the rotation of the fan blade 1003, and in the process of driving the collecting barrel 1 to move, the collecting barrel 1 is driven to move in different directions through the coordinated control of the moving assemblies around the collecting barrel 1, and the movement of the collecting barrel 1 facilitates the collection and cleaning of the floating objects at different positions on the river by the collecting barrel 1.

[0037] Working principle: in the process of cleaning the river floating object, through the thread sleeve 301 and the threaded rod 302, the floating plate 4 is installed at the upper end of the installation pipe 2, after installation, the whole collecting barrel 1 is placed on the river and floats on the water surface of the river by the buoyancy of the floating plate 4, after placing the collecting barrel 1, start the third motor 1004, drive the fan blade 1003 to rotate the plate, drive the collecting barrel 1 to move by the rotation of the fan blade 1003, and in the process of driving the collecting barrel 1 to move, through the cooperation and control of each moving component around the collecting barrel 1, it is convenient to drive the collecting barrel 1 to move in different directions, through the movement of the collecting barrel 1, it is convenient to collect and clean the floating object in different positions of the river;

[0038] After the collecting barrel 1 moves to the specified position, the water pump 7 is used to pump the liquid in the installation pipe 2 and generate negative pressure, under the action of pressure, the water above the collecting barrel 1 is sucked into the installation pipe 2 and transported to the lower part of the collecting barrel 1 through the connecting pipe 6 and the water pump 7, in the process of conveying and circulating the water in the collecting barrel 1, the river floating object in the conveying water is filtered and collected in the collecting barrel 1 through each filter hole 11 on the installation pipe 2, which can quickly and effectively filter and collect the river floating object, and in the process of filtering and collecting the river floating object, start the first motor 1604, drive the driving shaft 1601 to rotate through the first motor 1604, in the process of driving shaft 1601 rotation, drive gear 1602 to rotate, in the process of gear 1602 rotation, drive U-shaped frame 1401 to move through the mutual meshing transmission between gear 1602 and gear ring 1603, in the process of U-shaped frame 1401 movement, through the rotating guide action of annular groove 1301 and annular strip 1302, the stressed U-shaped frame 1401 rotates around the installation pipe 2, in the process of U-shaped frame 1401 rotating around the installation pipe 2, the scraper 1402 is pushed to keep in contact with the outer side of the installation pipe 2 through the pushing assembly, the surface of the installation pipe 2 is cleaned through the contact of the scraper 1402, which avoids the blockage of the surface of the filter hole 11 by part of the river floating object in the process of filtering and collecting, affecting the efficiency of the collecting barrel 1 filtering and collecting the river floating object;

[0039] After the river channel floating object collection of the corresponding position is completed, the second motor 804 is started, the lead screw 802 is driven to rotate by the second motor 804, in the process of rotation of the lead screw 802, the collection barrel 1 is driven to move under stress through the mutual engagement transmission between the lead screw 802 and the threaded pipe 803, in the process of movement of the collection barrel 1 under stress, the stressed collection barrel 1 moves towards the sealing plate 501 through the guiding effect of the slide rod 902 and the sleeve pipe 903, the upper end of the collection barrel 1 is abutted against the conical surface 502 on the lower side of the sealing plate 501 through the movement of the collection barrel 1, the inside of the collection barrel 1 is sealed through the sealing plate 501, so that the river channel floating object is prevented from flowing out of the odor generated by long-time accumulation and soaking to cause decay, and the effect of cleaning the river channel floating object is improved.

Claims

1. A river floating object cleaning device comprising a collecting bucket (1), characterized in that: The collecting barrel (1) is slidably connected with a mounting pipe (2), the upper end of the mounting pipe (2) is provided with a sealing plate (501), the upper end of the mounting pipe (2) is connected with a floating plate (4) through a mounting assembly, the floating plate (4) is provided with a sealing assembly for sealing after the floating material of the collecting barrel (1) is collected, the lower end of the mounting pipe (2) is below the collecting barrel (1) and is fixedly connected with a connecting pipe (6), the lower end of the connecting pipe (6) is provided with a water pump (7) for pumping air in the mounting pipe (2), a plurality of filter holes (11) are formed in the side wall of the collecting barrel (1) and are in communication with the inside of the collecting barrel (1) and the mounting pipe (2), the lower end of the collecting barrel (1) is provided with an adjusting assembly for adjusting the distance between the upper end of the collecting barrel (1) and the floating plate (4) and a guiding assembly for guiding during the adjustment, the mounting pipe (2) is connected with two annular plates (12) through a rotating assembly, each filter hole (11) is located between the two annular plates (12), and the two annular plates (12) are provided with an anti-blocking assembly for preventing blocking during the filtering of each filter hole (11), and the collecting barrel (1) is provided with a moving assembly for moving the collecting barrel (1) during the collecting process. The anti-blocking assembly comprises a U-shaped frame (1401), the two ends of the U-shaped frame (1401) are fixedly connected with the two annular plates (12), the U-shaped frame (1401) is connected with a scraper (1402) through a pushing assembly, the scraper (1402) is arranged in abutment with the outer side of the mounting pipe (2) under the pushing of the pushing assembly, and the U-shaped frame (1401) and the mounting pipe (2) are provided with a driving assembly for driving the U-shaped frame (1401). The pushing assembly comprises a plurality of T-shaped rods (1501) slidably connected with the U-shaped frame (1401), one end of each T-shaped rod (1501) is fixedly connected with the scraper (1402), a spring (1502) is sleeved on the side wall of each T-shaped rod (1501), and the two ends of each spring (1502) are connected with one end of the T-shaped rod (1501) and the U-shaped frame (1401). The scraper (1402) is in abutment with the outer side of the mounting pipe (2) under the elastic force of each spring (1502). The driving assembly comprises a driving shaft (1601) rotatably connected with the U-shaped frame (1401), one end of the driving shaft (1601) is fixedly connected with a gear (1602), the outer side of the mounting pipe (2) is fixedly connected with a gear ring (1603), the gear (1602) and the gear ring (1603) are in meshing connection, and the U-shaped frame (1401) is provided with a first motor (1604) for driving the driving shaft (1601). The sealing assembly comprises a sealing plate (501) fixedly connected with the upper end of the floating plate (4), the outer diameter of the sealing plate (501) is larger than the outer diameter of the collecting barrel (1), and the lower end of the sealing plate (501) is provided with a tapered surface (502). The adjusting assembly comprises a first fixed plate (801) fixed on the side wall of the mounting pipe (2), a screw rod (802) rotatably connected to the first fixed plate (801), a threaded pipe (803) threadedly engaged with the screw rod (802), and a second motor (804) for driving the screw rod (802) mounted on the lower end of the first fixed plate (801). The moving assembly is provided in four groups, and the four groups of moving assemblies are arranged in an annular array around the collecting barrel (1). The moving assembly comprises an L-shaped plate (1001) fixed outside the collecting barrel (1), an installation shaft (1002) rotatably connected to the L-shaped plate (1001), a fan blade (1003) fixed to one end of the installation shaft (1002), and a third motor (1004) for driving the installation shaft (1002) mounted on the L-shaped plate (1001).

2. A riverway floating object cleaning device according to claim 1, characterized in that: The rotating assembly comprises an annular groove (1301) formed in the inner wall of the annular plate (12), and an annular strip (1302) slidably connected to the annular groove (1301). The annular strip (1302) is fixed to the outer side of the mounting pipe (2), and the cross sections of the annular groove (1301) and the annular strip (1302) are both T-shaped.

3. The river floating object cleaning device according to claim 1, characterized in that: The mounting assembly comprises a threaded sleeve (301) fixed to the lower end of the floating plate (4), and a threaded rod (302) fixed to the upper end of the mounting pipe (2).

4. A river drift clearing device according to claim 3, wherein: The guiding assembly comprises a second fixed plate (901) fixed to the outer side wall of the mounting pipe (2). The first fixed plate (801) and the second fixed plate (901) are symmetrically arranged on the outer side of the mounting pipe (2) and located below the collecting barrel (1). The upper end of the second fixed plate (901) is fixed with a sliding rod (902), and the sliding rod (902) is slidably connected with a sleeve (903) fixed to the lower end of the collecting barrel (1).

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