CN111569488A - A large particle cleaning device for sewage discharge pretreatment of ecological lake - Google Patents

Abstract

The invention discloses a large particle cleaning device for ecological lake sewage discharge pretreatment. Both ends are fixed with a snapping structure, and the ends of the two sets of snapping structures that are close to each other are fixed with a filter screen, and the left and right ends of the inside of the protective shell are movably connected with a first rotating rod through a bearing. The first rotating rod A rotating fan is fixed on the left and right sides of the outer surface, a first transmission mechanism is arranged in front of the two sets of the engaging structures, and a second transmission mechanism is arranged below the two sets of the first transmission mechanism. The present invention brings about that the large particles adhering to the surface of the filter screen can be cleaned in time when the incoming sewage is discharged, so as to avoid the blockage of the filter screen caused by the accumulation of particles, thereby slowing down the speed of sewage discharge and leading to the time taken for drainage. Increase.

Description

A large particle cleaning device for sewage discharge pretreatment of ecological lake

technical field

The invention relates to the technical field of sewage discharge devices, in particular to a large particle cleaning device for ecological lake sewage discharge pretreatment.

Background technique

Sewage will be produced at each end of the lake due to the influence of people. When the sewage is discharged, the large particles in the sewage will generally be pretreated, and the sewage will be purified after a certain amount of time. A sewage treatment device for the discharge and separation of sewage particulate matter, by setting a tube shell, a solid tube cover, a plate shell, a sewage pipe and a water outlet, the right end of the tube shell is provided with a solid pipe cover, and the solid pipe cover has a built-in sewage pipe. , the sewage pipe is connected to the production workshop, a distribution box is installed on the production workshop, and a factory line fuse is installed in the distribution box, the top of the tube shell is provided with a hollow hole, and the right end of the hollow hole is fixed There is a plate shell, a second scraper is built in the plate shell, a motor is installed on the inner wall of the hollow hole, and a rotating roller is connected to the motor shaft of the motor, so that when the sewage pipe is brought for sewage discharge, the filter plate can remove the sewage. The particulate matter is intercepted, thereby greatly reducing the emission of polluting particulate matter into nature, and achieving a good separation effect. Another example is a treatment system for particulate matter discharge in sewage disclosed in Bulletin No. CN109502794A, which can complete the filtration of large particles and The filter screen can be easily cleaned, so it can be seen that the existing sewage discharge large particle treatment device basically meets people's needs, but there are still some problems.

Existing sewage discharge large particle treatment devices are generally equipped with filter screens, but generally there is no cleaning mechanism on the surface of the filter screen. When sewage discharge devices are used to discharge sewage, the filter screen can only play a filtering role, not It is very good to collect the large particles filtered, and the large particles, if not cleaned in time, are easy to adhere to the surface of the filter screen. When draining for a long time, when a large number of large particles accumulate on the surface of the filter screen, it will affect the drainage efficiency of sewage discharge. Therefore, it is urgent to There is a need for a large particle cleaning device for ecological lake sewage discharge pretreatment to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a large particle cleaning device for ecological lake sewage discharge pretreatment, in order to solve the problem that the filter screen surface proposed in the above-mentioned background technology is not provided with a cleaning mechanism, and large particles are easily accumulated on the filter screen surface during drainage, Thereby affecting the drainage efficiency.

In order to achieve the above purpose, the present invention provides the following technical solutions: a large particle cleaning device for ecological lake sewage discharge pretreatment, comprising a protective casing, a protective cover plate is fixed on the left end of the protective casing, and a drainage is fixed on the inner front side of the protective casing. The inner left and right ends of the protective shell are fixed with a snap-fit structure, and the ends of the two sets of snap-fit structures close to each other are fixed with a filter screen. A storage box is placed at the inner bottom end of the protective casing under the filter screen, and the left and right ends of the protective casing are movably connected with a first rotating rod through bearings, and a rotating fan is fixed on the left and right sides of the outer surface of the first rotating rod. A first transmission mechanism is arranged in front of the two groups of the engaging structures, and a second transmission mechanism is arranged below the two groups of the first transmission mechanism.

Preferably, the engaging structure includes a card slot, a card block, a connecting plate, a first brush, a second brush and a rack, the left end of the filter screen is fixed with a card slot, and a card block is engaged in the card slot , the front end of the card block is fixed with a rack, and the right end of the front side of the card block is fixed with a connecting plate, the lower side of the right end of the connecting plate is fixed with a first brush, and the connecting plate below the first brush is fixed with a second hair brush.

Preferably, the first transmission mechanism comprises a second rotation rod, a first transmission gear, a second transmission gear, a first fixed rod, a third transmission gear, a third rotation rod, a fourth transmission gear and a fifth transmission gear, The inner bottom end of the protective casing is movably connected with a second rotating rod through a bearing, and the top end of the second rotating rod is movably connected with a first transmission gear through the bearing, and a second rotating rod is fixed on the first rotating rod above the first transmission gear. A transmission gear, and the first transmission gear and the second transmission gear mesh with each other, a first fixed rod is fixed on the protective casing behind the first rotating rod, and the right end of the first fixed rod is movably connected to the third transmission gear through a bearing, so The second transmission gear and the third transmission gear are engaged with each other, and the protective casing behind the first fixing rod is movably connected to the third rotating rod through a bearing, the right end of the third rotating rod is fixed with a fourth transmission gear, and the third transmission The gear and the fourth transmission gear mesh with each other, a fifth transmission gear is fixed on the third rotating rod at the left end of the fourth transmission gear, and the rack and the fifth transmission gear mesh with each other.

Preferably, the second transmission mechanism includes a sixth transmission gear, a seventh transmission gear, a fourth rotation rod, a first bevel gear, a second fixed rod, a fifth rotation rod, a sixth rotation rod, and an eighth transmission gear, a sixth transmission gear is fixed on the second rotating rod under the first transmission gear, and the inner bottom end of the protective shell at the left rear of the second rotating rod is movably connected to a fourth rotating rod through a bearing. A seventh transmission gear is fixed on the outer side of the rotating rod, and the sixth transmission gear and the seventh transmission gear are meshed with each other, the top of the fourth rotating rod is fixed with a first bevel gear, and the inner bottom end of the protective shell behind the fourth rotating rod A second fixed rod is fixed, the top of the second fixed rod is movably connected with a fifth rotating rod through a bearing, and the front end of the fifth rotating rod is fixed with a sixth rotating rod, the first bevel gear and the sixth rotating rod are mutually meshing, and the rear end of the fifth rotating rod is fixed with an eighth transmission gear.

Preferably, the outer sides of the two sets of the first bevel gears are sleeved with a rotating chain, and the rear end of the rotating chain is fixed with a swing plate, and the inner right end of the protective casing is fixed with two sets of third fixing rods, and the two sets of the third fixed rods A track is fixed on the left end of the rod, the two sets of third fixing rods and the track are integrated in structure, and the rear end of the swing plate extends into the track and is movably connected with the track.

Preferably, the distance between the top end of the clamping block and the top end of the clamping slot is equal to the height of the rack.

Preferably, the number of teeth of the rack is equal to the number of teeth of the fifth transmission gear.

Preferably, the clamping block is arranged in an inverted T-shaped structure, and a spring is fixed at the inner bottom end of the clamping slot below the clamping block.

Preferably, the diameter of the circular holes opened at the front and rear ends of the storage box is equal to the diameter of the circular holes opened on the filter screen

Compared with the prior art, the beneficial effects of the present invention are:

The large particle cleaning device for sewage discharge pretreatment in the ecological lake is provided with a protective casing, a first rotating rod, a rotating fan, a rotating chain, a swing plate, a first brush, a second brush, a second rotating rod, and a second transmission gear , the fifth transmission gear, the sixth transmission gear and the eighth transmission gear, when the sewage needs to be discharged, place the device at the water outlet of the sewage, so that the sewage enters the inside of the protective casing, and the flow of the sewage drives the rotating fan to rotate, and the rotating fan will drive the The first rotating rod rotates, when the first rotating rod rotates, it will drive the second transmission gear to rotate, when the second transmission gear will drive the fifth transmission gear to rotate together, and when the fifth transmission gear rotates, it will drive the rack to move upward , when the fifth transmission gear rotates 180°, the rack will return to the initial position, when the fifth transmission gear rotates 180° again, it will drive the rack to move in the next time, and the upward movement of the rack will drive the first brush It moves together with the second brush and repeats the movement to complete the cleaning of the surface of the filter screen, and the second transmission gear rotates while driving the first transmission gear to rotate. When the second rotating rod rotates, it will drive the sixth transmission gear to rotate, when the sixth transmission gear rotates, it will make the eighth transmission gear rotate together, when the eighth transmission gear rotates, it will drive the rotating chain to rotate, and when the rotating chain rotates, it will drive the swing plate together It rotates to drive the large particles into the storage box to complete the collection and aggregation of large particles. This design avoids the use of sewage treatment devices to drain water. The filter device does not have a surface cleaning device. The surface of the screen will block the filter screen, resulting in the problem of slow drainage efficiency, which brings about the large particles adhering to the surface of the filter screen can be cleaned in time when the sewage is discharged, avoiding the accumulation of particles and causing the filter screen. Blockage, thereby slowing down the speed of sewage discharge, resulting in increased drainage time, increasing the practicability of the device, and avoiding the inability to collect large particles when using the device, making the large particles float at the lower end of the filter screen and clean up. It is more troublesome, which leads to the accumulation of particles in the storage box. After the drainage is completed, it is easy to clean up large particles, which reduces the time spent on cleaning. The whole device has linkage, no additional power is required, and it is green and environmentally friendly. practicability.

Description of drawings

Fig. 1 is the right side top view three-dimensional structure schematic diagram of the present invention;

FIG. 2 is a schematic three-dimensional structure diagram of the upper left side of the protective casing of the present invention in a hidden state;

3 is a schematic diagram of the left side of the structure in a hidden state on the left side of the protective casing of the present invention;

Fig. 4 is the partial structural schematic diagram of the storage box, the second transmission mechanism, the rotating chain, the swing plate, the track and the third fixed rod in Fig. 2 of the present invention;

5 is a schematic structural diagram of the first transmission mechanism in FIG. 2 of the present invention;

6 is a schematic structural diagram of the first transmission mechanism in FIG. 3 of the present invention;

7 is a schematic structural diagram of the second transmission mechanism in FIG. 4 of the present invention;

FIG. 8 is a schematic structural diagram of the engaging structure in FIG. 4 of the present invention;

In the figure: 1. Protective shell; 2. Protective cover plate; 3. Drainage plate; 4. Engagement structure; 41. Card slot; 42. Block; Two brushes; 46, spring; 47, rack; 5, filter screen; 6, storage box; 7, first rotating rod; 8, rotating fan; 9, first transmission mechanism; 91, second rotating rod; 92 93, the second transmission gear; 94, the first fixed rod; 95, the third transmission gear; 96, the third rotating rod; 97, the fourth transmission gear; 98, the fifth transmission gear; 10, second transmission mechanism; 101, sixth transmission gear; 102, seventh transmission gear; 103, fourth rotation rod; 104, first bevel gear; 105, second fixed rod; 106, fifth rotation rod; 107, The sixth rotating rod; 108, the eighth transmission gear; 11, the rotating chain; 12, the swing plate; 13, the track; 14, the third fixed rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-8, an embodiment provided by the present invention: a large particle cleaning device for ecological lake sewage discharge pretreatment, comprising a protective casing 1, the left end of the protective casing 1 is fixed with a protective cover plate 2, and the protection The inner front side of the casing 1 is fixed with a drainage plate 3, the left and right ends of the protective casing 1 are fixed with an engaging structure 4, and the ends of the two sets of engaging structures 4 close to each other are fixed with a filter screen 5, and the two sets of engaging structures 4 and The filter screen 5 has an integrated structure, and a storage box 6 is placed at the inner bottom end of the protective shell 1 under the filter screen 5. The diameter of the circular holes opened at the front and rear ends of the storage box 6 is equal to the diameter of the circular holes opened on the filter screen 5. This design facilitates the discharge of sewage, and both the left and right ends of the protective casing 1 are movably connected with the first rotating rod 7 through the bearing, and the left and right sides of the surface of the first rotating rod 7 are fixed with the rotating fan 8. The two sets of engaging structures 4. A first transmission mechanism 9 is arranged in the front, and a second transmission mechanism 10 is arranged below the two sets of first transmission mechanisms 9.

According to the attached body 2 and FIG. 8 , the engaging structure 4 includes a card slot 41 , a card block 42 , a connecting plate 43 , a first brush 44 , a second brush 45 and a rack 47 , and the left end of the filter screen 5 is fixed with a card Slot 41, and a clamping block 42 is engaged in the clamping slot 41, a rack 47 is fixed at the front end of the clamping block 42, and a connecting plate 43 is fixed at the front right end of the clamping block 42. The clamping block 42 is set as an inverted T-shaped structure, and the clamping block A spring 46 is fixed at the inner bottom end of the card slot 41 below the 42. With this design, it is convenient for the card block 42 to be firmly engaged with the card slot 41 to avoid falling off. The clamping block 42 directly collides with the bottom end of the clamping slot 41 , a first brush 44 is fixed on the lower side of the right end of the connecting plate 43 , and a second brush 45 is fixed on the connecting plate 43 under the first brush 44 . This design is adopted. It is convenient for the block 42 to move upward and the block 42 to slide inside the groove 41, so that the first brush 44 and the second brush 45 rub the surface of the filter screen 5. The distance is equal to the height of the rack 47, and this design is convenient for the movement distance of the first brush 44 and the second brush 45 to be sufficient, so that the friction between the first brush 44 and the second brush 45 and the filter screen 5 is better. comprehensive.

According to FIG. 2 , FIG. 5 and FIG. 6 , the first transmission mechanism 9 includes a second rotating rod 91 , a first transmission gear 92 , a second transmission gear 93 , a first fixed rod 94 , a third transmission gear 95 , The third rotating rod 96, the fourth transmission gear 97 and the fifth transmission gear 98, the inner bottom end of the protective casing 1 is movably connected with a second rotating rod 91 through a bearing, and the top of the second rotating rod 91 is movably connected with a first transmission through a bearing Gear 92, a second transmission gear 93 is fixed on the first rotating rod 7 above the first transmission gear 92, and the first transmission gear 92 and the second transmission gear 93 are meshed with each other. The first fixed rod 94 is fixed, and the right end of the first fixed rod 94 is movably connected to the third transmission gear 95 through the bearing, the second transmission gear 93 and the third transmission gear 95 are engaged with each other, and the protective shell behind the first fixed rod 94 1. The third rotating rod 96 is movably connected through the bearing, the right end of the third rotating rod 96 is fixed with the fourth transmission gear 97, and the third transmission gear 95 and the fourth transmission gear 97 are meshed with each other, and the third rotation of the left end of the fourth transmission gear 97 rotates A fifth transmission gear 98 is fixed on the rod 96, and the number of teeth of the rack 47 is equal to the number of teeth of the fifth transmission gear 98. With this design, when the rack 47 moves to the top, the rack 47 and the fifth transmission gear can be released. 98 is engaged, and the rack 47 and the fifth transmission gear 98 are meshed with each other. With this design, the rotation of the first rotating rod 7 can drive the rack 47 to reciprocate up and down.

According to FIG. 4 and FIG. 7, the second transmission mechanism 10 includes a sixth transmission gear 101, a seventh transmission gear 102, a fourth rotating rod 103, a first bevel gear 104, a second fixed rod 105, a fifth rotating rod The rod 106 , the sixth rotating rod 107 , and the eighth transmission gear 108 , the sixth transmission gear 101 is fixed on the second rotating rod 91 under the first transmission gear 92 , and the protective casing 1 on the left rear of the second rotating rod 91 The inner bottom end is movably connected to the fourth rotating rod 103 through a bearing, the outer side of the fourth rotating rod 103 is fixed with a seventh transmission gear 102, and the sixth transmission gear 101 and the seventh transmission gear 102 are meshed with each other, and the top of the fourth rotating rod 103 is fixed There is a first bevel gear 104, and a second fixed rod 105 is fixed at the inner bottom end of the protective casing 1 behind the fourth rotating rod 103. The top of the second fixed rod 105 is movably connected with a fifth rotating rod 106 through a bearing, and the fifth rotating rod 106 is movably connected to the top of the second fixed rod 105. The front end of the rotating rod 106 is fixed with a sixth rotating rod 107, the first bevel gear 104 and the sixth rotating rod 107 are meshed with each other, and the rear end of the fifth rotating rod 106 is fixed with an eighth transmission gear 108. When the rotating rod 7 is rotated, the eighth transmission gear 108 can be rotated together.

As can be seen from FIG. 4 , a rotating chain 11 is sleeved on the outer side of the two sets of first bevel gears 104 , and the rear end of the rotating chain 11 is fixed with a swing plate 12 , and two sets of third fixing rods 14 are fixed on the inner right end of the protective casing 1 . The track 13 is fixed at the left end of the third fixing rod 14. The two sets of third fixing rods 14 and the track 13 are integrally formed, and the rear end of the swing plate 12 extends into the interior of the track 13 and is movably connected with the track 13. This design is convenient for rotation. When the chain 11 drives the swinging plate 12 to rotate, the stability of the movement of the swinging plate 12 is ensured.

Working principle: When the sewage needs to be filtered, the device is placed at the water outlet of the sewage, so that the sewage enters the inside of the device, thereby driving the rotating fan 8 to rotate clockwise, and the clockwise rotation of the rotating fan 8 will drive the second transmission gear 93 to rotate clockwise. The second transmission gear 93 will drive the third transmission gear 95 to rotate counterclockwise, the third transmission gear 95 will drive the fourth transmission gear 97 to rotate clockwise, and the rotation of the fourth transmission gear 97 will drive the fifth transmission gear 98 to rotate clockwise. The clockwise rotation of the fifth transmission gear 98 will drive the rack 47 to move upward, so that the blocking block 42 moves upward, and the upward movement of the blocking block 42 will drive the first brush 44 and the second brush 45 to move. When rotated by 180°, the rack 47 and the fifth transmission gear 98 will be disengaged, and the block 42 will return to the original position. When the fifth transmission gear 98 is rotated by 180° again, the rack 47 and the fifth transmission gear 98 will be restored. meshing, so as to realize that the first brush 44 and the second brush 45 reciprocate up and down on the surface of the filter screen 5, and when the second transmission gear 93 rotates, the second transmission gear 93 will also drive the first transmission gear 92 to rotate together , when the first transmission gear 92 rotates, the first transmission gear 92 will drive the second rotating rod 91 to rotate together, when the second rotating rod 91 rotates, it will drive the sixth transmission gear 101 to rotate together, and the rotation of the sixth transmission gear 101 will drive the The seventh transmission gear 102 rotates, when the seventh transmission gear 102 rotates, it drives the fourth rotating rod 103 to rotate, when the fourth rotating rod 103 rotates, it drives the first bevel gear 104 to rotate together, and when the first bevel gear 104 rotates, it drives the first bevel gear 104 to rotate. The six rotating rods 107 rotate together. When the sixth rotating rod 107 rotates, it will drive the fifth rotating rod 106 to rotate. When the fifth rotating rod 106 rotates, it will be brought to the eighth transmission gear 108 to rotate together, and the eighth transmission gear 108 will rotate when it rotates. The rotating chain 11 rotates together, and when the rotating chain 11 rotates, it drives the swinging plate 12 to rotate, so that the swinging plate 12 swings inside the storage box 6 .

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (9)

1. A device for cleaning large particles for pretreatment of sewage discharge in an ecological lake, comprising a protective casing (1), characterized in that: a protective cover plate (2) is fixed at the left end of the protective casing (1), and the interior of the protective casing (1) is A drainage plate (3) is fixed on the front side, an engaging structure (4) is fixed on the left and right ends of the inside of the protective casing (1), and a filter screen is fixed at the ends of the two groups of the engaging structures (4) that are close to each other. (5), the two sets of said engaging structures (4) and the filter screen (5) are integral structures, and a storage box (6) is placed at the inner bottom end of the protective shell (1) under the filter screen (5), And the inner left and right ends of the protective casing (1) are movably connected with a first rotating rod (7) through a bearing, and a rotating fan (8) is fixed on the left and right sides of the surface of the first rotating rod (7). A first transmission mechanism (9) is arranged in front of the engaging structure (4), and a second transmission mechanism (10) is arranged below both sets of the first transmission mechanisms (9). 2 . The large particle cleaning device for sewage discharge pretreatment in an ecological lake according to claim 1 , wherein the engaging structure ( 4 ) comprises a clamping slot ( 41 ), a clamping block ( 42 ), and a connecting plate. 3 . (43), the first brush (44), the second brush (45) and the rack (47), the left end of the filter screen (5) is fixed with a card slot (41), and the card slot (41) is locked inside. A clamping block (42) is combined, the front end of the clamping block (42) is fixed with a rack (47), and the front right end of the clamping block (42) is fixed with a connecting plate (43), the lower side of the right end of the connecting plate (43) A first brush (44) is fixed, and a second brush (45) is fixed on the connecting plate (43) below the first brush (44). 3 . The large particle cleaning device for sewage discharge pretreatment in an ecological lake according to claim 2 , wherein the first transmission mechanism ( 9 ) comprises a second rotating rod ( 91 ), a first transmission gear ( 3 ). 4 . 92), the second transmission gear (93), the first fixed rod (94), the third transmission gear (95), the third rotating rod (96), the fourth transmission gear (97) and the fifth transmission gear (98) , the inner bottom end of the protective casing (1) is movably connected with a second rotating rod (91) through a bearing, and the top end of the second rotating rod (91) is movably connected with a first transmission gear (92) through a bearing. A second transmission gear (93) is fixed on the first rotation rod (7) above the transmission gear (92), and the first transmission gear (92) and the second transmission gear (93) mesh with each other, and the first rotation rod (7) A first fixing rod (94) is fixed on the rear protective casing (1), and the right end of the first fixing rod (94) is movably connected to a third transmission gear (95) through a bearing, and the second transmission gear (93) ) and the third transmission gear (95) are engaged with each other, and the protective casing (1) behind the first fixing rod (94) is movably connected to the third rotating rod (96) through a bearing, and the right end of the third rotating rod (96) A fourth transmission gear (97) is fixed, and the third transmission gear (95) meshes with the fourth transmission gear (97), and a third rotation rod (96) at the left end of the fourth transmission gear (97) is fixed with a A fifth transmission gear (98), and the rack (47) and the fifth transmission gear (98) mesh with each other. 4 . The large particle cleaning device for pretreatment of sewage discharge in an ecological lake according to claim 3 , wherein the second transmission mechanism ( 10 ) comprises a sixth transmission gear ( 101 ), a seventh transmission gear ( 102), the fourth rotating rod (103), the first bevel gear (104), the second fixed rod (105), the fifth rotating rod (106), the sixth rotating rod (107), and the eighth transmission gear ( 108), a sixth transmission gear (101) is fixed on the second rotating rod (91) below the first transmission gear (92), and the inside of the protective casing (1) behind the left side of the second rotating rod (91) A fourth rotating rod (103) is movably connected to the bottom end through a bearing, a seventh transmission gear (102) is fixed on the outer side of the fourth rotating rod (103), and the sixth transmission gear (101) and the seventh transmission gear (102) ) mesh with each other, the top end of the fourth rotating rod (103) is fixed with a first bevel gear (104), and the inner bottom end of the protective casing (1) behind the fourth rotating rod (103) is fixed with a second fixing rod ( 105), the top end of the second fixing rod (105) is movably connected with a fifth rotating rod (106) through a bearing, and a sixth rotating rod (107) is fixed at the front end of the fifth rotating rod (106). The pinion gear (104) meshes with the sixth rotating rod (107), and the rear end of the fifth rotating rod (106) is fixed with an eighth transmission gear (108). 5. The large particle cleaning device for sewage discharge pretreatment in ecological lakes according to claim 4, characterized in that: a rotating chain (11) is sleeved outside the two sets of the first bevel gears (104), and The swinging plate (12) is fixed at the rear end of the rotating chain (11). The inner right end of the protective casing (1) is fixed with two sets of third fixing rods (14), and the left ends of the two sets of third fixing rods (14) are fixed with rails. (13), the two sets of the third fixing rods (14) and the rails (13) have an integral structure, and the rear ends of the swing plates (12) extend to the inside of the rails (13) and are movably connected with the rails (13). 6 . The large particle cleaning device for sewage discharge pretreatment in an ecological lake according to claim 2 , wherein the distance between the top of the blocking block ( 42 ) and the top of the blocking groove ( 41 ) is equal to the rack gear. 7 . (47) height size. 7 . The large particle cleaning device for sewage discharge pretreatment in ecological lakes according to claim 3 , wherein the number of teeth of the rack ( 47 ) is equal to the number of teeth of the fifth transmission gear ( 98 ). 8 . 8 . The large particle cleaning device for sewage discharge pretreatment in an ecological lake according to claim 2 , wherein the blocking block ( 42 ) is arranged in an inverted “T” shape, and the blocking block ( 42 ) ), a spring (46) is fixed at the inner bottom end of the card slot (41). 9 . The large particle cleaning device for pretreatment of sewage discharge in an ecological lake according to claim 4 , characterized in that: the diameter of the circular holes opened at the front and rear ends of the storage box ( 6 ) is the same as that of the filter screen ( 5 ). 10 . There are round holes with equal diameters.

Images