Water conservancy project flow guiding device

Abstract

The utility model provides a water conservancy project flow guiding device which comprises a box body, a water inlet pipe and a water outlet pipe are connected to the box body, a filter screen is arranged in the box body, the water conservancy project flow guiding device further comprises a scraping plate capable of cleaning the filter screen, and the box body is connected with a motor used for driving the scraping plate to move. The box body is connected with a proximity switch for controlling the motor to work, the box body is slidably connected with a sliding block, the sliding block is connected with an induction piece matched with the proximity switch, the water inlet pipe is rotatably connected with a water wheel, and the water wheel can drive the sliding block to move in the direction close to the proximity switch. Meanwhile, when the filter screen is blocked, the filter screen can be cleaned, manual intervention is not needed, the filtering work is not affected, and meanwhile the high flow guide efficiency is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy technology field, concretely relates to a water conservancy diversion device. BACKGROUND

[0002] Water conservancy diversion refers to the process that when building water conservancy projects on rivers, in order to enable hydraulic structures to be constructed on dry land, cofferdams are used to protect foundation pits, and river water is guided to the predetermined discharge structure for discharge. This is a very critical link in water conservancy construction, because most water conservancy hub projects are built on riverbeds, and if effective diversion is not performed, river water will flood the construction site, resulting in that construction cannot be normally carried out.

[0003] The patent with publication number CN 218911254 U discloses a water conservancy construction diversion equipment, which comprises a diversion box, water inlet pipes and water outlet pipes fixed on both sides of the diversion box, a box cover hinged to one side of the top of the diversion box, limit grooves opened on the inner walls of the diversion box, limit blocks slidingly connected to the inner walls of the limit grooves, a filter frame fixed on one side of the two limit blocks, two connecting rods fixed on both sides of the top of the filter frame, a handle fixed on the upper end of one side of the two connecting rods, a filter screen arranged on one side of the inner wall of the diversion box corresponding to the water outlet pipe, and a limiting mechanism arranged on one side of the top of the diversion box corresponding to the filter screen.

[0004] However, the following problems still exist: the diversion device needs to be manually operated when garbage is cleaned, and needs to be stopped during cleaning, which is very inconvenient to use; the degree of blockage of the filter screen cannot be timely discovered, which easily affects the filtering efficiency. UTILITY MODEL CONTENTS

[0005] In order to solve the problems existing in the prior art, a water conservancy diversion device is provided. The device is convenient to operate, has a reasonable structure, can realize intermittent cleaning of the filter screen, can clean the filter screen when the filter screen is blocked without manual intervention, does not affect the filtering work, and has high diversion efficiency.

[0006] The utility model solves the technical problems by adopting the technical scheme of:

[0007] The utility model provides a water conservancy diversion device, which comprises a box body, a water inlet pipe and a water outlet pipe connected to the box body, a filter screen arranged in the box body, a scraper capable of cleaning the filter screen, and a motor connected to the box body and used for driving the scraper to move; the box body is connected to a proximity switch used for controlling the operation of the motor, the box body is slidingly connected to a sliding block, the sliding block is connected to an induction sheet matched with the proximity switch, and the water inlet pipe is rotatably connected to a water wheel capable of driving the sliding block to move towards the proximity switch.

[0008] Preferably, the box is slidingly connected with a push plate, the push plate is connected with the box through a tension spring, the push plate is located on one side of the sliding block and can drive the sliding block to move towards the proximity switch.

[0009] Preferably, the box is rotatably connected with a cylindrical cam, the cylindrical cam is provided with a sliding groove, the push plate is connected with a sliding shaft, and the sliding shaft is slidingly arranged in the sliding groove.

[0010] Preferably, the box is connected with the cylindrical cam through a one-way bearing, and the one-way bearing allows the cylindrical cam to rotate in only one direction.

[0011] Preferably, the box is rotatably connected with a single-tooth gear, the cylindrical cam is coaxially and fixedly connected with a gear, and the gear is engaged with the single-tooth gear.

[0012] Preferably, the water wheel is coaxially and fixedly connected with a first pulley, the single-tooth gear is coaxially and fixedly connected with a second pulley, and the first pulley and the second pulley are sleeved with a synchronous belt.

[0013] Preferably, the box is fixedly connected with a supporting cylinder, the filter screen is slidingly connected with the supporting cylinder, and the filter screen is connected with the supporting cylinder through a spring.

[0014] Preferably, the filter screen is connected with an inclined block, the inclined block is located above the sliding block, and the inclined block can drive the sliding block to move towards the proximity switch when descending.

[0015] Preferably, the box is fixedly connected with a reciprocating screw rod, the reciprocating screw rod is cooperatively provided with a nut, the nut is slidingly connected with the scraper, the nut is connected with the scraper through a return spring, and the scraper is provided with inclined surfaces on both sides.

[0016] Preferably, the sliding block is connected with the box through a compression spring, and the elastic force of the compression spring leaves a gap between the sensing sheet and the proximity switch.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. The water wheel can drive the cylindrical cam to rotate, the cylindrical cam drives the push plate to reciprocate, the push plate can drive the sliding block to move, the sensing sheet and the proximity switch are matched, the motor is driven, the filter screen is cleaned only once after a certain period of time, the water flow efficiency is not affected, the filter screen can be cleaned in time, and problems such as low water flow efficiency caused by frequent cleaning are prevented.

[0019] 2. The utility model discloses a filter screen that can move in vertical direction, when there is more garbage on the filter screen, the filter screen drops, the filter screen can drive the inclined block to drop, the inclined block can push the slider to move, make the induction sheet and proximity switch cooperate, realize the drive of motor, can realize the filter screen when the filter screen is blocked, can also clean the filter screen, need not manual intervention.

[0020] 3. The utility model discloses a single tooth gear, through the single tooth gear that sets up, can prolong the cleaning frequency of filter screen, simultaneously can change the gear of different toothless situation according to the need of cleaning, realize the setting of cleaning frequency, in addition, the scraper and the screw nut sliding connection, when encountering the obstacle that cannot clean, the scraper can jump over, prevent causing damage to the scraper, simultaneously, the scraper can be always in the state of contact with the filter screen, improve the quality of cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0022] Figure 1 It is the overall perspective view of the utility model;

[0023] Figure 2 It is the overall plan view of the utility model;

[0024] Figure 3 It is the overall front view of the utility model;

[0025] Figure 4 It is Figure 2 A part structure of the utility model is enlarged.

[0026] BRIEF DESCRIPTION OF DRAWINGS

[0027] 1 box;2 water inlet pipe;3 reciprocating screw;4 dustbin;5 water outlet pipe;6 filter screen;7 scraper;8 screw nut;9 push plate;10 tension spring;11 cylindrical cam;12 one-way bearing;13 slider;14 proximity switch;15 compression spring;16 support cylinder;17 draining net;18 water wheel;19 single tooth gear;20 gear;21 inclined block. DETAILED DESCRIPTION

[0028] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0029] Embodiment one

[0030] As Figures 1-4The embodiment shown provides a water conservancy diversion device, which comprises a box body 1, the box body 1 is connected with a water inlet pipe 2 and a water outlet pipe 5, a filter screen 6 is arranged in the box body 1, the water inlet pipe 2 and the water outlet pipe 5 are fixedly connected with the box body 1, the water inlet pipe 2 is arranged above the filter screen 6 and located at one side of the filter screen 6, and the water outlet pipe 5 is located below the filter screen 6.

[0031] Further comprising a scraper 7 capable of cleaning the filter screen 6, the box body 1 is connected with a motor for driving the scraper 7 to move; the box body 1 is connected with a proximity switch 14 for controlling the motor to work, the box body 1 is slidingly connected with a sliding block 13, and the sliding block 13 is connected with an induction sheet matched with the proximity switch 14.

[0032] The proximity switch 14 and the motor are connected with a controller, the proximity switch 14 is a position switch capable of being operated without mechanical direct contact with a moving part, when the induction sheet approaches the induction surface of the proximity switch to a moving distance, the switch can be actuated without mechanical contact and any pressure, thereby providing a control instruction to the controller, and the controller controls the motor to work.

[0033] The water inlet pipe 2 is rotationally connected with a water wheel 18, the water wheel 18 can drive the sliding block 13 to move towards the proximity switch 14, by arranging the water wheel 18, the movement of the sliding block 13 can be realized without an additional power source, and only when the water inlet pipe 2 is filled with water, the sliding block 13 will move, at this time, the motor is controlled to move, and when the water inlet pipe 2 is not filled with water, the motor does not move.

[0034] The box body 1 is slidingly connected with a push plate 9, the push plate 9 is connected with the box body 1 through a tension spring 10, the push plate 9 is located at one side of the sliding block 13 and can drive the sliding block 13 to move towards the proximity switch 14, the right end of the tension spring 10 is connected with the box body 1, and the left end of the tension spring 10 is connected with the push plate 9.

[0035] The box body 1 is rotationally connected with a cylindrical cam 11, the cylindrical cam 11 is provided with a sliding groove, the push plate 9 is connected with a sliding shaft, and the sliding shaft is slidingly arranged in the sliding groove; when the cylindrical cam 11 rotates, the sliding shaft slides in the sliding groove and can drive the push plate 9 to reciprocatingly slide.

[0036] The sliding groove comprises an inclined groove and a horizontal groove, two ends of the horizontal groove are respectively connected with the inclined grooves located at the two sides, when the cylindrical cam 11 rotates, the inclined groove can drive the push plate 9 to move left through the sliding shaft, at this time, the tension spring 10 is stretched, when the sliding shaft moves to the horizontal groove, the tension spring drives the sliding shaft to move right, so that the push plate 9 is reset, and in this process, the push plate 9 drives the sliding block 13 to move right, so that the sliding block 13 is matched with the proximity switch 14.

[0037] The water wheel 18 can drive the cylindrical cam 11 to rotate, the cylindrical cam 11 drives the push plate 9 to reciprocate, the push plate 9 can drive the sliding block 13 to move, the inductive sheet and the proximity switch 14 are matched, the driving of the motor is realized, the cleaning work of the filter screen 6 is realized after a certain time interval, the flow guiding efficiency is not affected, the cleaning of the filter screen 6 can be realized in time, and problems, such as low flow guiding efficiency caused by frequent cleaning, are prevented.

[0038] The box body 1 is connected with the cylindrical cam 11 through the one-way bearing 12, the one-way bearing 12 enables the cylindrical cam 11 to rotate in only one direction, the box body 1 is rotationally connected with the single-tooth gear 19, the cylindrical cam 11 is coaxially fixedly connected with the gear 20, the gear 20 is engaged with the single-tooth gear 19, and when the single-tooth gear 19 and the gear 20 are disengaged, the cylindrical cam 11 is prevented from being reversed due to the elastic force of the tension spring 10.

[0039] The one-way bearing 12 is a bearing that can rotate freely in one direction and is locked in the other direction, a metal shell of the one-way bearing contains a plurality of rolling shafts, rolling needles or rolling balls, and the shape of the rolling seat (hole) enables it to roll in only one direction and generates great resistance in the other direction (so-called “one-way”).

[0040] The box body 1 is rotationally connected with a rotating shaft, one end of the rotating shaft is located in the water inlet pipe 2, the rotating shaft is rotationally connected with the water inlet pipe 2, the water wheel 18 is fixedly sleeved on one end of the rotating shaft located in the water inlet pipe 2, the rotating shaft is further fixedly sleeved with a first pulley, the single-tooth gear 19 is coaxially fixedly connected with a second pulley, and the first pulley and the second pulley are sleeved with a synchronous belt, so that the single-tooth gear 19 can be driven to rotate when the water wheel 18 rotates.

[0041] The single-tooth gear 19 can prolong the cleaning frequency of the filter screen 6, gears with different missing teeth can be replaced according to the cleaning needs, the cleaning frequency can be set, the single-tooth gear 19 can be replaced according to the garbage contained in the water flow in the water inlet pipe 2, and finally the filter screen 6 has better cleaning efficiency while having better flow guiding efficiency, and excessive cleaning or insufficient cleaning is prevented.

[0042] The sliding block 13 is connected with the box body 1 through the compression spring 15, the right end of the compression spring 15 is connected with the box body 1, the left end of the compression spring 15 is connected with the sliding block 13, and the elastic force of the compression spring 15 leaves a gap between the inductive sheet and the proximity switch 14, so that the reset work of the sliding block 13 is facilitated after the sliding block 13 is driven to move by the push plate 9.

[0043] The box 1 is further fixedly connected with a garbage can 4, the garbage can 4 is located at one side of the filter screen 6, and the garbage can 4 is connected with a draining screen 17, the garbage can 4 is communicated with the space in the box 1 through the draining screen 17, and the excess water in the garbage can 4 can flow into the box 1 through the draining screen 17 and then flow into the water outlet pipe 5.

[0044] The box 1 is fixedly connected with a reciprocating screw rod 3, the motor is fixedly connected with the box 1, the box 1 is connected with the reciprocating screw rod 3 through a shaft coupling, the reciprocating screw rod 3 is cooperatively provided with a nut, the nut is slidably connected with the scraper 7, the nut is connected with the scraper 7 through a return spring, and the scraper 7 is provided with inclined surfaces on both sides.

[0045] The reciprocating screw rod 3 is a screw rod capable of realizing reciprocating movement of the nut without changing the rotating direction of the main shaft. The reciprocating screw rod 3 is a form of a three-dimensional cam pair, which is characterized by two thread grooves with the same pitch and opposite rotation directions. The two ends are connected by a transition curve. Through the rotation of the screw rod, the screw groove side pushes the nut placed in the screw groove to make axial reciprocating movement. Through the setting of the reciprocating screw rod 3, the motor only needs to rotate in one direction.

[0046] The upper end of the return spring is connected with the nut, the lower end of the return spring is connected with the scraper 7, and the elastic force of the return spring keeps the scraper 7 in contact with the filter screen 6. When encountering an obstacle that cannot be cleaned, the scraper 7 can jump over under the action of the inclined surfaces on both sides of the scraper 7, preventing damage to the scraper 7. At the same time, the scraper 7 is always in contact with the filter screen 6, improving the cleaning quality.

[0047] Example two

[0048] Reference to the accompanying drawings Figures 1-4 The other structures are the same as those in example one, except that in the present embodiment, the cleaning problem when the filter screen is blocked is considered.

[0049] The box 1 is fixedly connected with a supporting cylinder 16, the filter screen 6 is slidably connected with the supporting cylinder 16, the filter screen 6 is connected with the supporting cylinder 16 through a spring, and the filter screen 6 can only slide in the vertical direction. The upper end of the spring is connected with the filter screen 6, and the lower end of the spring is connected with the supporting cylinder 16.

[0050] The filter screen 6 is connected with an inclined block 21, the inclined block 21 is located above the sliding block 13, and the push plate 9 is located at one side of the sliding block 13, so that the movements of the inclined block 21 and the push plate 9 do not interfere with each other. When the inclined block 21 descends, the sliding block 13 can be driven to move towards the proximity switch 14.

[0051] When the garbage on the filter screen 6 is more, the filter screen 6 is lowered, the filter screen 6 can drive the inclined block 21 to be lowered, the inclined block 21 can drive the sliding block 13 to move, the inductive sheet and the proximity switch 14 are matched, the driving of the motor is realized, and the filter screen 6 can be cleaned when the filter screen 6 is blocked.

[0052] The specific working process is as follows: water flows into the box body 1 through the water inlet pipe 2, and the water flow is filtered under the action of the filter screen 6, the water flow drives the water wheel 18 to rotate, the water wheel 18 drives the single-tooth gear 19 to rotate through the synchronous belt, the single-tooth gear 19 drives the cylindrical cam 12 to move, when the cylindrical cam 11 rotates, the inclined groove can drive the push plate 9 to move left through the sliding shaft, at this time, the tension spring 10 is stretched, when the sliding shaft moves to the horizontal groove, the tension spring drives the sliding shaft to move right, and the push plate 9 is reset, in this process, the push plate 9 drives the sliding block 13 to move right, and the cooperation with the proximity switch 14 is realized.

[0053] After the proximity switch 14 and the inductive sheet cooperate, the proximity switch 14 transmits corresponding signals to the controller, the controller controls the rotation of the reciprocating screw rod 3, the reciprocating screw rod 3 drives the scraper 7 to rotate, the scraper 7 scrapes the garbage on the filter screen 6 into the garbage can 4, and the motor works for the same time each time, so that the scraper 7 can return to the initial position after moving.

[0054] When the garbage on the filter screen 6 is more, the garbage drives the filter screen 6 to be lowered, the filter screen 6 can drive the inclined block 21 to be lowered, the inclined block 21 can drive the sliding block 13 to move, the inductive sheet and the proximity switch 14 are matched, the driving of the motor is realized, the motor drives the reciprocating movement of the scraper 7, and the filter screen 6 can be cleaned when the filter screen 6 is blocked.

[0055] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A water diversion device for a water conservancy project, comprising a housing (1), wherein the housing (1) is connected to an inlet pipe (2) and an outlet pipe (5), characterized in that, The housing (1) is equipped with a filter screen (6) and a scraper (7) for cleaning the filter screen (6). The housing (1) is connected to a motor for driving the scraper (7) to move. The housing (1) is connected to a proximity switch (14) for controlling the operation of the motor. The housing (1) is slidably connected to a slider (13). The slider (13) is connected to a sensing plate that cooperates with the proximity switch (14). The water inlet pipe (2) is rotatably connected to a water wheel (18). The water wheel (18) can drive the slider (13) to move closer to the proximity switch (14).

2. The water diversion device for a water conservancy project according to claim 1, characterized in that, The housing (1) is slidably connected to a push plate (9), which is connected to the housing (1) via a tension spring (10). The push plate (9) is located on one side of the slider (13) and can drive the slider (13) to move closer to the proximity switch (14).

3. A diversion device for a water conservancy project according to claim 2, characterized in that, A cylindrical cam (11) is rotatably connected inside the housing (1). The cylindrical cam (11) has a sliding groove. The push plate (9) is connected to a sliding shaft. The sliding shaft is slidably disposed in the sliding groove. When the cylindrical cam (11) rotates, it can drive the push plate (9) to slide back and forth.

4. A diversion device for a water conservancy project according to claim 3, characterized in that, The housing (1) is connected to the cylindrical cam (11) by a one-way bearing (12), and the one-way bearing (12) allows the cylindrical cam (11) to rotate in only one direction.

5. A diversion device for a water conservancy project according to claim 3, characterized in that, The housing (1) is rotatably connected to a single-tooth gear (19), and the cylindrical cam (11) is coaxially fixedly connected to a gear (20), and the gear (20) and the single-tooth gear (19) mesh with each other.

6. A diversion device for a water conservancy project according to claim 5, characterized in that, The water turbine (18) is coaxially fixedly connected to a first pulley, and the single-tooth gear (19) is coaxially fixedly connected to a second pulley. The first pulley and the second pulley are fitted with a synchronous belt.

7. A diversion device for a water conservancy project according to claim 1, characterized in that, The housing (1) is fixedly connected to a support cylinder (16), the filter screen (6) and the support cylinder (16) are slidably connected, and the filter screen (6) is connected to the support cylinder (16) by a spring.

8. A diversion device for a water conservancy project according to claim 7, characterized in that, The filter screen (6) is connected to a wedge (21), which is located above the slider (13). When the wedge (21) descends, it can drive the slider (13) to move closer to the proximity switch (14).

9. A water diversion device for a water conservancy project according to claim 1, characterized in that, The housing (1) is fixedly connected to a reciprocating lead screw (3), and the reciprocating lead screw (3) is fitted with a lead screw nut. The lead screw nut and the scraper (7) are slidably connected. The lead screw nut is connected to the scraper (7) through a return spring. The scraper (7) has inclined surfaces on both sides.

10. A diversion device for a water conservancy project according to claim 1, characterized in that, The slider (13) is connected to the housing (1) by a compression spring (15). The elastic force of the compression spring (15) leaves a gap between the sensing plate and the proximity switch (14).

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