CN214194858U - Drainage system with two track discharge mechanism - Google Patents

Abstract

The utility model relates to a drainage system with two track discharge mechanism. The drainage system comprises a double-layer drainage grate, a transmission mechanism, a power mechanism and a drainage mechanism. The power mechanism provides power for the transmission mechanism to drive the double-layer drainage grate to do relative shearing motion. The discharge mechanism comprises double discharge pipes, double tracks, track wheels, track wheel connecting rods, a garbage penetrating plate and a garbage collecting and storing box. The double crawler belts comprise a left crawler belt and a right crawler belt which are arranged in parallel and in an inclined mode, and crawler wheels which are the same in number and height in one-to-one correspondence are arranged in the double crawler belts. The crawler wheel connecting rod is connected with crawler wheels with the same height in the two crawler belts. The tracks are all turned from the low position to the high position. And discharging the sheared water and garbage to the double tracks. The one end outside that two tracks are low sets up rubbish and sees through the board, and high one end below sets up rubbish collection and receives the case, and rubbish and water after the double-deck drainage comb is cuted are passed through rubbish and are seen through the board and discharge or collect through rubbish collection and receive the case, can effectively improve sewer jam problem.

Description

Drainage system with two track discharge mechanism

Technical Field

The utility model relates to a ground drainage device field, concretely relates to drainage system's discharge mechanism structure.

Background

The processing mode of being applied to drainage system on the market at present is mostly separation in advance and cut off the pollution route, later stage manual processing, and the separation in advance and cut off the pollution route and mostly be artifical poster warning, buoyancy wall or fixed plane and carry out separation and reposition of redundant personnel, and manual processing carries out the collection of rubbish, smashes to pieces, procedure such as separation. At present, a patent CN202020134110.8 uses a wind system to blow garbage flowing down in a step into a crushing system, most patents such as CN201921123496.6 design strong blocking to block excessive rainwater, but the problem of garbage blocking is not solved, only the garbage can not be ensured to enter, but the garbage can not be eliminated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a refuse treatment and separation system is provided to improve urban road sewer jam's problem when rainy day.

To this end, the utility model provides a drainage system with two track discharge mechanisms. The drainage system comprises a double-layer drainage grate, a transmission mechanism, a power mechanism and a drainage mechanism. The power mechanism is connected with the transmission mechanism, the transmission mechanism is connected with the double-layer drainage grate, and the transmission mechanism drives the double-layer drainage grate to do relative shearing motion. The discharge mechanism comprises double discharge pipes, double tracks, track wheels, track wheel connecting rods, a garbage penetrating plate and a garbage collecting and storing box. The double crawler belts comprise a left crawler belt and a right crawler belt, and the left crawler belt and the right crawler belt are parallel to each other and are obliquely arranged; the crawler wheels with the same number and the same height are arranged in the left crawler and the right crawler in a one-to-one correspondence mode. The crawler wheel connecting rod is horizontally arranged, and two ends of the crawler wheel connecting rod are respectively connected with crawler wheels with the same height in the left crawler belt and the right crawler belt. The crawler wheel is driven by the power mechanism to rotate. And when viewed from the upper surface of the double tracks, the double tracks are turned from the low position to the high position. And water and garbage sheared by the double-layer drainage grate are discharged onto the double-track belts through the double-drainage pipe. The one end outside that two tracks are low sets up rubbish sees through the board, and rubbish sees through the board and outwards communicates the sewer, and the high one end below of two tracks sets up rubbish collection storage box, rubbish and water after double-deck drainage comb is cuted are seen through the board through rubbish and are discharged or collect through rubbish collection storage box. Through double-deck drainage comb shearing system and two track garbage classification systems, discharge little rubbish and water, collect not further processing by the big rubbish of cutting the bits of broken glass, effectively improve sewer jam problem.

As a further improvement of the drainage system with the dual-track drainage mechanism of the utility model, three crawler wheels are arranged inside each track, and the three crawler wheels in each track are parallel to each other and distributed on a straight line with the same inclination; the three crawler wheels in each crawler belt are arranged from low to high and respectively comprise a low crawler wheel, a middle crawler wheel and a high crawler wheel; the two low crawler wheels are fixedly connected through a horizontal crawler wheel connecting rod, the two middle crawler wheels are fixedly connected through a horizontal crawler wheel connecting rod, and the two high crawler wheels are fixedly connected through a horizontal crawler wheel connecting rod; the upper surface of the crawler belt is turned to the high crawler wheel by the low crawler wheel, and the lower surface of the crawler belt is turned to the low crawler wheel by the high crawler wheel. The water flow impacts the surface of the crawler belt, water and small garbage flow downwards, and individual large garbage which is not sheared is adsorbed by the crawler belt to move upwards and fall into the garbage collection box.

As a further improvement of the drainage system with three crawler wheels, the power mechanism drives the crawler wheel connecting rod between the two middle crawler wheels to rotate, and the two low crawler wheels and the two high crawler wheels as driven wheels rotate along with the crawler wheel connecting rod.

As a further improvement of the drainage system with three crawler wheels, three upright support columns are arranged in the drainage system and respectively support three crawler wheel connecting rods, and each crawler wheel connecting rod respectively and rotatably penetrates through one support column.

As the utility model discloses a drainage system with two track discharge mechanism's further improvement, two tracks all are slope 15 jiaos of settings for the horizontal plane, are favorable to big, little waste classification.

As a further improvement of the drainage system with the double-track discharge mechanism of the utility model, the drainage system comprises an outer cover, and the top surface of the outer cover is provided with an upper drainage grate; a lower drainage grate is arranged in the outer cover and below the upper drainage grate, and the upper drainage grate and the lower drainage grate form a double-layer drainage grate; the transmission mechanism and the power mechanism are both arranged in the outer cover; the garbage penetration plate is arranged on one side wall of the outer cover; the garbage collecting and containing box penetrates out of the other side wall of the outer cover.

As the utility model discloses a drainage system with two track discharge mechanism's further improvement, rubbish sees through to be provided with the square matrix type grid hole that is used for seeing through rubbish on the board, and the grid hole is 3 ~ 10cm squares of length of side, can see through to cut garrulous little rubbish and water, prevents the great rubbish of individuality to see through and blocks up the sewer.

As a further improvement of the drainage system with the double-track drainage mechanism, the drainage system is also provided with a supporting plate which is fixed in the outer cover; the lower-layer drainage grate and the transmission mechanism are fixed above the supporting plate, and the power mechanism and the discharge mechanism are connected below the supporting plate.

As the utility model discloses a drainage system with two track discharge mechanism's further improvement, be provided with in the backup pad close on in the big round hole in left side and the big round hole in right side of double-deck drainage grate, a delivery pipe to left track top is connected to the big round hole below in left side, and a delivery pipe to right track top is connected to the big round hole below in right side.

As the utility model discloses a drainage system with two track discharge mechanism's further improvement, still be provided with in the backup pad and be close to the square array aperture of double-deck drainage grate sees through the water impact of square array aperture power unit, drive power unit rotates.

This scheme is based on present drainage system refuse treatment problem is started, the mechanical energy of utilization water drives double-deck drainage grate and is shearing motion, effectively cut rubbish, through two track discharge system, rubbish sees through the complete cage track low side rubbish of board and falls to the ground the scope, the rubbish collection is received the complete cage track high-end rubbish of case and is fallen to the ground scope, the track surface has certain adsorption efficiency to big rubbish, to the actual function in-process, it falls into the track through pipe-line system and is carried into rubbish collection by the adsorption waste through rotatory track and receive the case to be cut garrulous rubbish by rubbish cutting system, can not see through rubbish see through the board by adsorbed little rubbish and send into the sewer, the individuality is by the separation of rubbish see through the board successfully adsorbed big rubbish, prevent to fall into the sewer, can effectively dredge rubbish and prevent to block up the problem.

Drawings

Fig. 1 is the overall assembly schematic diagram of the drainage system of the present invention.

Fig. 2 is a schematic view of the drainage device inside the drainage system of fig. 1 with the cover removed.

Fig. 3 is an enlarged view of a driving mechanism of the cylindrical drainage grate and the elongated rectangular drainage grate of fig. 2.

Fig. 4 is a schematic structural view of the power mechanism of the drainage system of the present invention.

Fig. 5 is a top view of the booster propeller of fig. 4.

Fig. 6 is a schematic view of the bottom view of the drainage mechanism of the present invention in a drainage system.

Reference numerals: the garbage bin comprises an outer cover 1, a ground drainage grate 2, a cylindrical drainage grate 3, a long rectangular drainage grate 4, a tail end convex cylinder 31, a crank 5, a disc 6, an inner convex cylinder 61, an outer disc 7, an outer convex cylinder 71, a sliding groove 72, a supporting plate 8, a left large round hole 81, a square array small hole 82, a right large round hole 83, a garbage penetrating plate 9, a garbage collecting and containing box 10, a pressurizing propeller 11, a water turbine 12, a first bevel gear 13, a middle position supporting column 130, a second bevel gear 14, a third bevel gear 15, a fourth bevel gear 16, a bearing seat 160, a left crawler 17, a right crawler 18, a low crawler wheel 19, a middle position crawler wheel 20, a high position crawler wheel 21 and an interlayer 22.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

The utility model discloses a drainage system includes drive mechanism, power unit and the discharge mechanism of double-deck drainage double-edged fine-toothed comb, lower floor's drainage double-edged fine-toothed comb. As shown in fig. 1, the drainage system of the present invention is installed under the ground. The drainage system of fig. 1 comprises a housing 1 and an internal drainage means. The top surface of the outer cover 1 is provided with a ground drainage grate 2, and the ground drainage grate 2 is flush with the ground and used for leaking ground water and garbage to be discharged into a sewer.

Fig. 2 is a schematic view showing the structure of the drainage device inside the drainage system of fig. 1 with the cover 1 removed. This inside drainage device is including being located the lower floor drainage comb under 2 drainage combs on ground, and two-layer drainage comb closely sets up, and the interval sets up to 1 ~ 10cm to be used for doing effective shearing movement. The lower drainage grate is of a long-strip U-shaped groove structure, cylindrical drainage grates 3 and long-strip rectangular drainage grates 4 are fixedly arranged in the long-strip U-shaped groove at intervals, and a protruding sliding block is further arranged on the outer side face of the lower drainage grate. The cylindrical drainage grate 3 and the strip-shaped rectangular drainage grate 4 can be integrally driven to move back and forth so as to cut and shear solid garbage falling from the ground drainage grate 2 and reduce garbage accumulation entering a sewer.

Fig. 3 is an enlarged view of the driving mechanism of the cylindrical drainage grate 3 and the elongated rectangular drainage grate 4 of fig. 2. The transmission mechanism for the reciprocating movement of the cylindrical drainage grate 3 and the strip-shaped rectangular drainage grate 4 comprises a crank 5, a disc 6 and an outer disc 7. The disc 6 is arranged in a circular groove arranged on the outer disc 7 in a matching way, and the disc 6 can be driven by a power mechanism to rotate in the circular groove. An inner convex cylinder 61 is arranged on the upper surface of the disc 6 close to the edge, an outer convex cylinder 71 is arranged on the upper surface of the outer disc 7 which is not located in the circular groove, a sliding groove 72 is formed in the outer side surface of the outer disc 7, and the outer convex cylinder 71 is arranged on one side far away from the sliding groove 72. The sliding block of the lower drainage grate is embedded into the sliding groove 72, and the sliding block can slide in the sliding groove 72 under the action of external force.

A tail end convex column 31 is arranged between the cylindrical drainage grate 3 and the strip-shaped rectangular drainage grate 4 in the U-shaped groove of the lower drainage grate. The crank 5 is a strip-shaped structure and is horizontally placed, three sections of longitudinally penetrating holes are formed in the crank 5, and a first section of hole, a second section of hole and a third section of hole are sequentially formed in the three sections of holes from one end to the other end. The first section of hole is cylindrical, the diameter of the first section of hole is consistent with that of the convex cylinder 71, and the convex cylinder 71 penetrates into the first section of hole upwards; the second section of hole is strip-shaped, the width of the second section of hole is the same as the diameter of the inner convex cylinder 61, and the inner convex cylinder 61 penetrates into the second section of hole upwards and can slide in the strip-shaped hole; the third section of hole is the terminal open-ended bar hole, and its width is the same with terminal convex cylinder 31's diameter, and terminal convex cylinder 31 upwards penetrates this terminal open-ended bar hole.

The disc 6 is driven by a power mechanism connected with the lower end of the disc to rotate, the inner convex cylinder 61 makes circular motion along with the disc, the circular motion of the inner convex cylinder 61 drives the crank 5 to make sector rotation by taking the outer convex cylinder 71 as an approximate circle center, the tail end convex cylinder 31 is driven to move back and forth in the third section hole of the crank 5, and the moving track of the tail end of the crank 5 becomes an arc of the sector rotation pattern. Since the sliding blocks of the lower drainage grate are confined in the sliding grooves 72, the end convex cylinders 31 linearly move back and forth relative to the sliding grooves 72, and accordingly, the cylindrical drainage grate 3 and the elongated rectangular drainage grate 4 linearly move back and forth along the sliding grooves 72. Therefore, the cylindrical drainage grate 3 and the long rectangular drainage grate 4 do reciprocating linear motion relative to the fixed ground drainage grate 2, and grid lines of the cylindrical drainage grate 3 and the long rectangular drainage grate 4 are perpendicular to grid lines of the ground drainage grate 2, so that the reciprocating motion can effectively cut hard and brittle objects such as branches and the like, and the problem that drainage cannot be normally performed due to the fact that a drainage outlet is blocked by sundries such as dead tree leaves and dead tree branches is effectively solved. The long rectangular drainage grate 4 is provided with a sharp edge and is easy to shear garbage, the cylindrical drainage grate 3 can shear garbage relative to the shearing movement of the ground drainage grate 2 and is also easy to penetrate through the garbage, and the garbage retention is reduced. As can be seen from the above, the transmission mechanism is used for converting the circular motion of the disc 6 into the back-and-forth linear motion of the cylindrical drainage grate 3 and the strip-shaped rectangular drainage grate 4.

As shown in figure 2, the drainage system of the utility model also comprises a supporting plate 8, the outer disk 7 and the lower drainage grate are both arranged on the supporting plate 8, and the supporting plate 8 is fixed on the outer cover 1. Three groups of holes are formed in the supporting plate 8, and the three groups of holes are close to the lower-layer drainage grate and used for draining the sheared garbage and water. The first set of holes is a left large circular hole 81 adjacent to the cylindrical drain grate 3. The second set of holes is a middle square array of small holes 82. The third group of holes is a right large circular hole 83 adjacent to the elongated rectangular drainage grate 4. Wherein, the water and the tiny garbage flowing into the middle square array small hole 82 flow to the power mechanism of the drainage system, the mechanical energy of the water flow is converted into the mechanical energy of the power mechanism, and the water and the garbage flowing into the left big round hole 81 and the right big round hole 83 flow to the drainage mechanism of the drainage system.

Fig. 4 is an enlarged schematic view of the power mechanism in fig. 1. The utility model discloses drainage system's power unit includes pressure boost screw 11, hydraulic turbine 12, first bevel gear 13, second bevel gear 14, third bevel gear 15, fourth bevel gear 16 and connecting rod. The booster propeller 11 is connected to the square array of apertures 82 above by a duct (not shown in figure 5). The top view structure of the supercharging propeller 11 is shown in fig. 5, and comprises three blades, a central shaft, a cross fixed on the central shaft and a peripheral protective ring sleeve. The center of the water turbine 12 is a section of vertical connecting rod, and the pressurizing propeller 11 is rotatably sleeved on the vertical connecting rod of the water turbine 12 through a central shaft of the pressurizing propeller. Pressure boost screw 11 is by electric drive, and three flabellums rotate and cause the negative pressure, make rivers pass through the flabellum gap fast to strike the hydraulic turbine 12 of below fast, rivers promote hydraulic turbine 12 rotatory, and the mechanical energy of rivers turns into the mechanical energy of hydraulic turbine 12, and when the ponding that needs were discharged becomes more moreover, the rotation of hydraulic turbine 12 can be accelerated to the rivers of increase, lets the frequency of lower floor's drainage comb reciprocating motion strengthen, does benefit to dredging rubbish. The vertical connecting rod at the center of the water turbine 12 is fixedly connected to the first bevel gear 13 below, so that the water turbine 12 can drive the first bevel gear 13 to rotate. The vertical first bevel gear 13 is meshed with the horizontal second bevel gear 14, the second bevel gear 14 is fixedly connected with a horizontal third bevel gear 15 through a section of horizontal connecting rod, the third bevel gear 15 is meshed with a vertical fourth bevel gear 16, a section of vertical connecting rod is fixedly connected above the fourth bevel gear 16, and the vertical connecting rod penetrates through the outer disc 7 through a bearing and is fixedly connected to the disc 6. The vertical connecting rod of the fourth bevel gear 16 connected with the disc 6 also passes downwards through the fourth bevel gear 16 and is connected to a partition 22 arranged inside the outer cover 1 through a bearing seat 160 (the partition 22 is shown in figure 1), so as to provide support for the fourth bevel gear 16. The mutually meshed conical surfaces of the first bevel gear 13, the second bevel gear 14, the third bevel gear 15 and the fourth bevel gear 16 are limited to the outer peripheries of the gears, and the central positions of the bevel gears are all plane-type non-contact. A middle support column 130 is arranged right below the first bevel gear 13, the lower end of the middle support column 130 is fixed on the interlayer 22, and a vertical connecting rod connecting the water turbine 12 and the first bevel gear 13 further downwards passes through the center of the first bevel gear 13 and is connected to the upper end of the middle support column 130 through a bearing seat.

Through the connecting structure, water flow pushes the water turbine 12 to rotate, the first bevel gear 13 rotates along with the water turbine, the second bevel gear 14 is driven to rotate, the third bevel gear 15 rotates along with the water turbine coaxially, the fourth bevel gear 16 is driven to rotate, the disc 6 is driven to rotate in the circular groove of the outer disc 7, the cylindrical drainage grate 3 and the long rectangular drainage grate 4 do reciprocating linear movement through the cooperation of the transmission mechanism where the crank 5 is located through the inner convex cylinder 61 fixed on the disc 6 and the crank 5 in sliding connection, and therefore the cylindrical drainage grate 3 and the long rectangular drainage grate 4 are matched with the ground drainage grate 2 fixed above to do shearing movement, solid garbage flowing in from the ground drainage grate 2 can be sheared, and the purposes of smashing and garbage cleaning are achieved. The bevel gear and the connecting rod fixed with the bevel gear can be matched and fixed through an H7/H6 hole shaft. Wherein, the shape and size of the first bevel gear 13 and the fourth bevel gear 16 are the same, and the shape and size of the second bevel gear 14 and the third bevel gear 15 are the same.

As shown in fig. 6, which is a bottom view of fig. 2, including the ejection mechanism. The utility model discloses a discharge mechanism includes that double pipe, two tracks, athey wheel connecting rod, rubbish see through board 9, rubbish collection and contain case 10. The two crawler belts are arranged in parallel, have the same size, are inclined at an angle of 15 degrees relative to the horizontal plane, and are driven to rotate by the power mechanism. The double crawler belt is divided into a left crawler belt 17 and a right crawler belt 18 according to the direction, three crawler wheels are arranged in each crawler belt, the three crawler wheels are parallel and are arranged on the same inclined straight line, and the size of the two groups of six crawler wheels is equal. Because the crawler belt is obliquely arranged relative to the horizontal plane, the three crawler wheels are also arranged from low to high and comprise a low crawler wheel 19, a middle crawler wheel 20 and a high crawler wheel 21, the upper surface of the crawler belt is turned to the high crawler wheel 21 by the low crawler wheel 19, and the lower surface of the crawler belt is turned to the low crawler wheel 19 by the high crawler wheel 21. The middle crawler wheel 20 of the left crawler 17 is fixed outside the horizontal connecting rod between the second bevel gear 14 and the third bevel gear 15, and rotates synchronously with the horizontal connecting rod. The vertical first bevel gear 13 is meshed with the horizontal second bevel gear 14, the meshed conical surfaces of the first bevel gear and the second bevel gear are only limited to the peripheries of the gears, and the central positions of the two bevel gears are both flat and not contacted, so that a horizontal connecting rod is fixedly connected to the central plane of the second bevel gear 14, the horizontal connecting rod can rotatably penetrate through the central support column 130 and is fixed on the end face of the central crawler wheel 20 of the right crawler 18, and the two central crawler wheels 20 can coaxially and synchronously rotate. The second bevel gear 14 rotates clockwise when viewed from the front toward the center plane thereof, so as to drive the upper surface of the track to move from the lower position to the upper position. The low-level crawler wheel 19 of the left crawler 17 and the low-level crawler wheel 19 of the right crawler 18 are fixedly connected in an interference fit manner through a section of horizontal connecting rod so as to realize coaxial synchronous rotation, the horizontal connecting rod is supported by a shorter supporting column, and the supporting column is also fixed on an interlayer 22 arranged inside the outer cover 1. The high-level track wheels 21 of the left track 17 and the high-level track wheels 21 of the right track 18 are also fixedly connected in an interference fit manner by a section of horizontal connecting rod, which is supported in the garbage collection container 10 by a higher support column, so as to realize coaxial and synchronous rotation. In the operation process of the crawler, the middle crawler wheel 20 is a driving wheel, and the low crawler wheel 19 and the high crawler wheel 21 are driven wheels. The elevated track wheels 21 act as the transport ends of the tracks from which large refuse will fall into the refuse receptacle 10 below. The garbage collection and storage box 10 penetrates through the interlayer 22 downwards, abuts against the inner bottom surface of the outer cover 1 and laterally penetrates through the side wall of the outer cover 1, and large garbage flows out of the outer cover 1 through the garbage collection and storage box 10 and can be collected manually for further treatment.

In the discharge mechanism, the left large circular hole 81 connects one discharge pipe to above the left crawler 17, and the right large circular hole 83 connects the other discharge pipe to above the right crawler 18. The garbage permeating plate 9 is vertically arranged outside the two low crawler wheels 19, and the lower end of the garbage permeating plate is connected with the interlayer 22 in the outer cover 1. The garbage permeation plate 9 serves as the side wall of the outer cover 1, grid holes are formed in the garbage permeation plate and used for allowing garbage to permeate through, grids can be square, and the side length can be 3-10 cm.

The garbage discharged from the left large circular hole 81 and the right large circular hole 83 to the upper side of the crawler belt through the discharge pipes has a certain adsorption capacity to the large garbage due to the surface of the crawler belt, and in the rotation process of the crawler belt, the large garbage is adsorbed on the crawler belt, runs obliquely upwards along with the crawler belt, and falls into the garbage collection box 10. The waste and water not adsorbed by the caterpillar band flow downwards and leave the caterpillar band, penetrating through the grid holes of the plate 9 into the sewer.

Example 2

As the utility model discloses a drainage system's second kind embodiment, hydrocone type rainwater fill is all installed in three sets of hole species of seting up in backup pad 8 to increase water velocity, increase power transport improves hydraulic turbine 12's rotation mechanical energy, and other structures are the same with embodiment 1.

The utility model discloses be not limited to above scheme, for example the utility model discloses also can not set up pressure boost screw 11, rotate by electric direct drive hydraulic turbine 12 and provide drainage grate's shearing power and track pivoted power.

Claims (10)

1. A drainage system with a dual-track drainage mechanism is characterized in that: the drainage system comprises a double-layer drainage grate, a transmission mechanism, a power mechanism and a drainage mechanism; the power mechanism is connected with the transmission mechanism, the transmission mechanism is connected with the double-layer drainage grate, and the transmission mechanism drives the double-layer drainage grate to do relative shearing motion; the discharge mechanism comprises double discharge pipes, double tracks, track wheels, track wheel connecting rods, a garbage penetrating plate (9) and a garbage collecting and storing box (10); the double crawler belts comprise a left crawler belt (17) and a right crawler belt (18), and the left crawler belt (17) and the right crawler belt (18) are parallel to each other and are obliquely arranged; the crawler wheels with the same number and the same height are arranged in the left crawler belt (17) and the right crawler belt (18) in a one-to-one correspondence manner; the crawler wheel connecting rod is horizontally arranged, and two ends of the crawler wheel connecting rod are respectively connected with crawler wheels with the same height in the left crawler belt (17) and the right crawler belt (18); the crawler wheel is driven by the power mechanism to rotate; seen from the upper surfaces of the double crawler belts, the double crawler belts are turned from a low position to a high position; the water and the garbage sheared by the double-layer drainage grate are discharged onto the double-track belt through the double-drainage pipe; the one end outside that two tracks are low sets up rubbish sees through board (9), and rubbish sees through board (9) and outwards communicates the sewer, and the high one end below of two tracks sets up rubbish collection storage box (10), rubbish and water after double-deck drainage grate is cuted are discharged or are collected through rubbish collection storage box (10) through rubbish see through board (9).

2. The drain system having a dual track drain of claim 1, wherein: three crawler wheels are arranged in each crawler, and the three crawler wheels in each crawler are parallel to each other and distributed on the same inclined straight line; the three crawler wheels in each crawler belt are arranged from low to high and respectively comprise a low crawler wheel (19), a middle crawler wheel (20) and a high crawler wheel (21); the two low-position crawler wheels (19) are fixedly connected through a horizontal crawler wheel connecting rod, the two middle-position crawler wheels (20) are fixedly connected through a horizontal crawler wheel connecting rod, and the two high-position crawler wheels (21) are fixedly connected through a horizontal crawler wheel connecting rod; the upper surface of the crawler belt is turned to the high crawler wheel (21) by the low crawler wheel (19), and the lower surface of the crawler belt is turned to the low crawler wheel (19) by the high crawler wheel (21).

3. The drain system having a dual track drain of claim 2, wherein: the power mechanism drives the crawler wheel connecting rod between the two middle crawler wheels (20) to rotate, and the two low crawler wheels (19) and the two high crawler wheels (21) serve as driven wheels to rotate along with the crawler wheel connecting rod.

4. The drain system having a dual track drain of claim 2, wherein: and three upright support columns are arranged in the drainage system and respectively support three crawler wheel connecting rods, and each crawler wheel connecting rod can respectively and rotatably penetrate through one support column.

5. The drain system having a dual track drain of claim 1, wherein: the double tracks are arranged in an inclined angle of 15 degrees relative to the horizontal plane.

6. The drain system having a dual track drain of claim 1, wherein: the drainage system comprises an outer cover (1), and an upper drainage grate is arranged on the top surface of the outer cover (1); a lower-layer drainage grate is arranged in the outer cover (1) and positioned below the upper-layer drainage grate, and the upper-layer drainage grate and the lower-layer drainage grate form a double-layer drainage grate; the transmission mechanism and the power mechanism are both arranged in the outer cover (1); the garbage penetration plate (9) is arranged on one side wall of the outer cover (1); the garbage collecting and containing box (10) penetrates out of the other side wall of the outer cover (1).

7. The drain system having a dual track drain of claim 6, wherein: the garbage penetrating plate (9) is provided with square grid holes for penetrating garbage, and the side lengths of the grid holes are 3-10 cm square.

8. The drain system having a dual track drain of claim 6, wherein: the drainage system is also provided with a supporting plate (8), and the supporting plate (8) is fixed in the outer cover (1); the lower-layer drainage grate and the transmission mechanism are fixed above the supporting plate (8), and the power mechanism and the discharge mechanism are connected below the supporting plate (8).

9. The drain system having a dual track drain of claim 8, wherein: the double-layer drainage grate is characterized in that a left large round hole (81) and a right large round hole (83) which are close to the double-layer drainage grate are arranged on the supporting plate (8), a discharge pipe is connected to the upper portion of the left crawler belt (17) below the left large round hole (81), and a discharge pipe is connected to the upper portion of the right crawler belt (18) below the right large round hole (83).

10. The drain system having a dual track drain of claim 9, wherein: the supporting plate (8) is also provided with square array small holes (82) close to the double-layer drainage grate, and the power mechanism is impacted by water flow penetrating through the square array small holes (82) to drive the power mechanism to rotate.

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