Hydropower station trash holding device

Abstract

The utility model discloses a trash holding device for a hydropower station, which belongs to the technical field of trash holding devices and comprises a trash holding screen frame, an impurity collecting box is mounted on the trash holding screen frame, two vertical sliding frames are mounted on two sides of the trash holding screen frame, sliders and a driving device are mounted on the vertical sliding frames in a sliding manner, an impurity fishing hopper is hinged between the two sliders, and the trash fishing hopper is connected with the trash holding screen frame. Protruding blocks are arranged at the two ends of the impurity salvaging hopper, limiting blocks are installed on the faces, close to each other, of the two sliding blocks, blocking shafts capable of abutting against the upper end face of the impurity salvaging hopper are arranged on the faces, close to each other, of the two vertical sliding frames, and the impurity salvaging hopper abutting against the blocking shafts can ascend along with the sliding blocks. The sliding block rotates upwards around the hinged position of the impurity salvaging hopper and the sliding block, impurities in the inclined impurity salvaging hopper can slide into the impurity collecting box, the structure is simple, manual water entering operation is not needed, and potential safety hazards are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a trash rack technology field, concretely relates to a trash rack of hydropower station. BACKGROUND

[0002] The working principle of hydropower station is usually to utilize the water at high terrain, and the pressure or flow rate of water is used to impact the water turbine, drives the generator to rotate and converts the potential energy and kinetic energy of water into electric energy. Since the water source of water diversion power generation is usually river or reservoir, etc. the sundries will inevitably appear in the water flow,

[0003] However, the sundries in the water flow will usually be mixed with more sundries, which will be wound and blocked in the water turbine, and the normal operation of the water turbine is affected. In order to avoid that the sundries are wound in the water turbine and damage the hydropower station, the sundries in the water need to be intercepted. The structure of the existing trash rack is usually to intercept the sundries outside the trash rack. In order to avoid that the sundries in the trash rack are too much to slow down the flow rate of water, the trash rack usually needs to be cleaned regularly by manual underwater operation, which has high labor cost and certain safety hidden danger.

[0004] In view of the problems existing in the prior art, the utility model designs and manufactures a trash rack of hydropower station to overcome the above defects. UTILITY MODEL CONTENTS

[0005] For the problems existing in the prior art, the utility model provides a trash rack of hydropower station, which has simple structure and does not need manual underwater operation, so that the safety hidden danger is reduced.

[0006] In order to achieve the above purpose, the utility model adopts the technical scheme as follows: a trash rack of hydropower station, comprising a trash rack frame, a sundry collecting box is installed on the trash rack frame, two vertical sliding frames perpendicular to the trash rack frame are installed on both sides of the trash rack frame;

[0007] A sliding block is slidably installed on the vertical sliding frame, a sundry collecting bucket is hinged between the two sliding blocks, protrusions are arranged at both ends of the sundry collecting bucket, limit blocks capable of being abutted on the lower end faces of the protrusions are installed on the mutually close sides of the two sliding blocks, and the limit blocks can lift the sundry collecting bucket to move up together when the sliding block moves up.

[0008] The mutually close sides of the two vertical sliding frames are provided with shafts capable of being abutted on the upper end faces of the sundry collecting bucket;

[0009] The vertical sliding frame is provided with a driving device for driving the sliding block to slide up and down, the driving device drives the sliding block to move up, and when the sundry collecting bucket moves to the shaft, one end of the sundry collecting bucket close to the trash rack frame is blocked by the shaft; with the rising of the sliding block, the sundry collecting bucket rotates around the hinge between the sundry collecting bucket and the sliding block, and the sundries in the inclined sundry collecting bucket can slide into the sundry collecting box.

[0010] Preferably, the vertical slide frame is provided with a rectangular slide channel, and the sliding block is slidingly installed in the rectangular slide channel.

[0011] Preferably, the driving device comprises a motor and a vertical screw rod, a sliding seat is installed on the sliding block, the vertical screw rod is rotatably installed on the vertical slide frame, the vertical screw rod extends into the rectangular slide channel and is threadedly connected with the sliding seat.

[0012] The motor is installed on the vertical slide frame, and the motor is in transmission connection with the vertical screw rod.

[0013] Preferably, the limiting block is located at one end of the sliding block, and the connecting position of the trash bucket and the sliding block is located at the other end of the sliding block.

[0014] The trash bucket is a horizontally placed hollow rectangular prism, the trash bucket is provided with a rectangular open mouth, and when the convex block abuts against the limiting block, the rectangular open mouth can be parallel to the upper end surface of the sliding block.

[0015] Preferably, the trash bucket is provided with a plurality of draining holes.

[0016] Preferably, an extension plate is slidingly installed on the side of the trash bucket close to the trash screen frame, the length of the trash collecting box is greater than the length of the extension plate, the extension plate can slide out from the end of the trash bucket close to the trash screen frame when the trash bucket is inclined, and extend into the trash collecting box.

[0017] Preferably, the extension plate is provided with a protruding block at each end, the two protruding blocks are located on the side of the extension plate away from the trash screen frame, the end of the trash bucket close to the trash screen frame is provided with two abutting blocks corresponding to the protruding blocks, and the abutting blocks and the protruding blocks are matched to limit the sliding of the extension plate.

[0018] Preferably, the blocking shaft comprises a mounting seat and a rotating shaft, one end of the mounting seat is fixed on the vertical slide frame, and the other end of the mounting seat is in rotary connection with the rotating shaft.

[0019] Preferably, a supporting table is installed at the upper end of the trash screen frame, and the trash collecting box is placed on the supporting table.

[0020] Preferably, an inclined support is installed between the trash screen frame and the supporting table.

[0021] The beneficial effects of the utility model lie in:

[0022] 1. The utility model discloses a trash collecting box is placed on the trash screen frame, a trash collecting assembly is installed on the vertical slide frame, the cleaning and collection of the sundries intercepted outside the trash screen frame are realized, workers do not need to operate underwater, labor cost and safety hidden danger are reduced, and cleaning efficiency is improved.

[0023] 2、The utility model discloses a vertical slide frame is installed the axle block in the face of mutual approach, and the one end of slider is articulated with the miscellaneous material bucket, and after driving device drives miscellaneous material bucket to go up and contact with axle block, miscellaneous material bucket will be lifted by axle block, and the internal sundries is poured into the miscellaneous material box inside, can realize the linkage of two actions of miscellaneous material bucket and dumping sundries, and simple structure reduces production cost.

[0024] 3、The utility model discloses set up the limit block of limiting miscellaneous material bucket rotation on the face of mutual approach of two sliders, make the miscellaneous material bucket rectangular open mouth before the contact of axle block can keep the state of horizontal upward, facilitate sundries to enter miscellaneous material bucket inside, be driven device carries the process of going up and can scoop up the sundries that is blocked in the outside of the trash screen frame, realize the cleaning of sundries, improve cleaning efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the working state schematic view of a water power station trash holding device of the utility model;

[0026] Figure 2 It is the side view of a water power station trash holding device of the utility model;

[0027] Figure 3 It is the front view of a water power station trash holding device of the utility model;

[0028] Figure 4 It is the partial enlarged view of the extension plate of a water power station trash holding device of the utility model;

[0029] Figure 5 It is the slider and limit block connection schematic view of a water power station trash holding device of the utility model.

[0030] In the drawing: 1-miscellaneous material box, 2-supporting table, 3-inclined brace, 4-trash screen frame, 5-vertical lead screw, 6-vertical slide frame, 7-rectangular slide, 8-slider, 9-limit block, 10-miscellaneous material bucket, 11-boss, 12-axle block, 13-mounting seat, 14-rotation shaft, 15-extension plate, 16-resisting block, 17-protruding block, 18-sliding seat, 19-drainage hole. DETAILED DESCRIPTION

[0031] In order to facilitate the person skilled in the art understanding, the utility model is further explained below in conjunction with the drawings.

[0032] As Figures 1-5 The utility model discloses a water power station trash holding device, including trash screen frame 4, trash screen frame 4 is fixed on the river bed, and is erected in the upstream of water turbine, and the sundries that flows into water turbine is intercepted.

[0033] The frame 4 is provided with a supporting table 2 at the upper end, and a collecting box 1 for storing the intercepted sundries is placed on the supporting table 2. A diagonal support 3 is arranged between the frame 4 and the supporting table 2. The connecting strength between the frame 4 and the supporting table 2 is increased by the diagonal support 3, so that the collecting box 1 is more stable when placed on the supporting table 2. In addition, the collecting box 1 is not fixed to the supporting table 2, and can be taken off from the supporting table 2 at any time for cleaning the inside of the collecting box 1, which is convenient for operation.

[0034] The frame 4 is provided with a supporting table 2 at the upper end, and a collecting box 1 for storing the intercepted sundries is placed on the supporting table 2. A diagonal support 3 is arranged between the frame 4 and the supporting table 2. The connecting strength between the frame 4 and the supporting table 2 is increased by the diagonal support 3, so that the collecting box 1 is more stable when placed on the supporting table 2. In addition, the collecting box 1 is not fixed to the supporting table 2, and can be taken off from the supporting table 2 at any time for cleaning the inside of the collecting box 1, which is convenient for operation.

[0035] The vertical slide frame 6 is provided with a sliding block 8 and a driving device for driving the sliding block 8 to slide up and down. The vertical slide frame 6 is provided with a rectangular slide 7, and the sliding block 8 is slidably arranged in the rectangular slide 7. The driving device comprises a motor and a vertical screw rod 5. The sliding block 8 is provided with a sliding seat 18. The vertical screw rod 5 is rotatably arranged on the vertical slide frame 6, and extends into the rectangular slide 7 and is threadedly connected with the sliding seat 18.

[0036] Specifically, the motor is arranged on the vertical slide frame 6 and is in transmission connection with the vertical screw rod 5. The motor is rotatable to drive the vertical screw rod 5 to rotate. The sliding seat 18 matched with the vertical screw rod 5 can drive the sliding block 8 to slide along the rectangular slide 7.

[0037] The sundry collecting bucket 10 is hingedly arranged between the two sliding blocks 8. The sundry collecting bucket 10 is a horizontally arranged hollow right triangular prism. The sundry collecting bucket 10 is provided with a rectangular open mouth on the inclined surface. The sundry collecting bucket 10 is provided with a plurality of draining holes 19. The two ends of the sundry collecting bucket 10 are provided with protrusions 11. The two sliding blocks 8 are provided with limiting blocks 9 on the surfaces close to each other, and the limiting blocks 9 are located at one end of the sliding block 8. The connection between the sliding block 8 and the sundry collecting bucket 10 is located at the other end of the sliding block 8.

[0038] Specifically, when the protrusion 11 is abutted against the limiting block 9, the rectangular open mouth can be parallel to the upper surface of the sliding block 8. When the sliding block 8 moves upward, the sundry collecting bucket 10 will be automatically kept abutted against the limiting block 9 due to the downward rotating tendency caused by the self weight of the sundry collecting bucket 10. When the sliding block 8 moves, the limiting block 9 can lift the sundry collecting bucket 10 to move upward together, so as to disperse the stress at the hinge between the sliding block 8 and the sundry collecting bucket 10.

[0039] Specifically, the arrangement facilitates the entry of sundries into the sundry bucket 10, and the sundries blocked outside the screen frame 4 can be scooped up during the upward movement driven by the driving device, and the water entering the sundry bucket 10 can flow out from the water draining port, thereby avoiding excessive weight and increasing the load of the motor, and saving the use space of the sundry collecting box 1.

[0040] Specifically, the two vertical sliding frames 6 are provided with a blocking shaft 12 on the side close to each other, which can abut against the upper end surface of the sundry bucket 10, and the blocking shaft 12 can abut against a corner of the sundry bucket 10 away from the protruding block 11. The connection between the sundry bucket 10 and the sliding block 8 is located between the contact section of the sundry bucket 10 and the blocking shaft 12 and the protruding block 11. The blocking shaft 12 comprises a mounting seat 13 and a rotating shaft 14, one end of the mounting seat 13 is fixed on the vertical sliding frame 6, and the other end of the mounting seat 13 is rotationally connected with the rotating shaft 14. The two rotating shafts 14 can abut against the upper end surface of the sundry bucket 10 and can rotate when the sundry bucket 10 and the mounting seat 13 are relatively displaced, thereby reducing the abrasion between the two.

[0041] Specifically, the sundry bucket 10 blocked by the blocking shaft 12 is lifted by the blocking shaft 12 as the sliding block 8 rises, and is rotated upward around the hinge between the sundry bucket 10 and the sliding block 8, and gradually enters an inclined state. The sundries in the inclined sundry bucket 10 can slide into the sundry collecting box 1. The automatic fishing and collection of the sundries are realized, and workers do not need to operate underwater, thereby reducing the danger and improving the cleaning efficiency. Meanwhile, the linkage of the two actions of fishing and dumping sundries is realized, and the structure is simple, thereby reducing the production cost.

[0042] The utility model discloses the one side of sundry bucket 10 close to screen frame 4 is slidably installed with extension plate 15. Extension plate 15 can slide out from the one end of sundry bucket 10 close to screen frame 4 when sundry bucket 10 is inclined. The length of sundry collecting box 1 is greater than the length of extension plate 15, and extension plate 15 can extend into sundry collecting box 1.

[0043] Specifically, the extension plate 15 can directly guide the sundries in the sundry bucket 10 into the sundry collecting box 1, avoid the sundries spilling out of the sundry collecting box 1 along the gap, and after dumping is completed, the sliding block 8 slides downward, drives the sundry bucket 10 to separate from the blocking shaft 12, and then the sundry bucket 10 rotates to reset, the extension plate 15 can slide downward relying on the self-gravity, and the part extending out of the sundry bucket 10 is retracted, thereby avoiding the interference to the resetting of the sliding block 8.

[0044] The utility model discloses that extension plate 15 both ends are equipped with the extension piece 17, two the extension piece all are located the extension plate is away from screen frame one side, and the one end of sundry bucket 10 close to screen frame 4 is equipped with two with the extension piece 17 one to one corresponding resistance block 16, and resistance block 16 and extension piece 17 cooperation can limit the sliding of extension plate 15. The sliding of extension plate 15 is limited, thereby avoiding the extension plate 15 from falling off the sundry bucket 10.

[0045] It should be understood that the use of these embodiments is by way of illustration only and is not intended to limit the scope of the present application. In addition, it should also be understood that, after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or variations to the present application, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. A debris interception device for a hydropower station, characterized in that, Includes a debris-blocking net frame (4), on which a debris collection box (1) is installed, and on both sides of the debris-blocking net frame (4) are two vertical sliding frames (6) perpendicular to each other. A slider (8) is slidably mounted on the vertical slide (6), and a scooping bucket (10) is hinged between the two sliders (8). Both ends of the scooping bucket (10) are provided with protrusions (11). The sides of the two sliders (8) that are close to each other are provided with limiting blocks (9) that can abut against the lower end surface of the protrusions (11). When the slider (8) moves upward, the limiting blocks (9) can lift the scooping bucket (10) to move upward together. Both vertical slides (6) are provided with a stop shaft (12) on the side that is close to each other, which can abut against the upper surface of the scoop bucket (10); The vertical slide (6) is equipped with a driving device that drives the slider (8) to slide up and down. The driving device drives the slider (8) to move upward. When the debris hopper (10) moves up to the stop shaft (12), the end of the debris hopper (10) near the debris screen frame (4) is blocked by the stop shaft (12). As the slider (8) rises, the debris hopper (10) rotates around the hinge point between the debris hopper (10) and the slider (8). The debris in the tilted debris hopper (10) can slide into the debris collection box (1).

2. The debris interception device for a hydropower station according to claim 1, characterized in that, The vertical slide (6) is provided with a rectangular slide (7), and the slider (8) is slidably installed in the rectangular slide (7).

3. A wastewater interception device for a hydropower station according to claim 2, characterized in that, The driving device includes a motor and a vertical lead screw (5). A sliding seat (18) is installed on the slider (8). The vertical lead screw (5) is rotatably installed on the vertical slide frame (6). The vertical lead screw (5) extends into the rectangular slide rail (7) and is threadedly connected to the sliding seat (18). The motor is installed on the vertical slide frame (6) and is connected to the vertical lead screw (5) for transmission.

4. A wastewater interception device for a hydropower station according to claim 1, characterized in that, The limiting block (9) is located at one end of the slider (8), and the connection between the slider (8) and the scooping bucket (10) is located at the other end of the slider (8); The scooping bucket (10) is a horizontally placed hollow right-angled triangular prism. The scooping bucket (10) has a rectangular open opening. When the protrusion (11) abuts against the limiting block (9), the rectangular open opening can remain parallel to the upper surface of the slider (8).

5. A wastewater interception device for a hydropower station according to claim 1, characterized in that, The scoop (10) is provided with several drainage holes (19).

6. A wastewater interception device for a hydropower station according to claim 1, characterized in that, An extension plate (15) is slidably installed on the side of the hopper (10) near the debris-blocking net frame (4). The length of the collection box (1) is greater than the length of the extension plate (15). The extension plate (15) can slide out from the end of the hopper (10) near the debris-blocking net frame (4) when the hopper (10) is tilted and extend into the collection box (1).

7. A wastewater interception device for a hydropower station according to claim 6, characterized in that, Both ends of the extension plate (15) are provided with protruding blocks (17), and both protruding blocks are located on the side of the extension plate away from the debris-blocking net frame. The debris-collecting bucket (10) is provided with two abutments (16) that correspond one-to-one with the protruding blocks (17) at one end of the end of the debris-blocking net frame (4). The abutments (16) cooperate with the protruding blocks (17) to restrict the sliding of the extension plate (15).

8. A wastewater interception device for a hydropower station according to claim 1, characterized in that, The stop shaft (12) includes a mounting base (13) and a rotating shaft (14). One end of the mounting base (13) is fixed on the vertical slide (6), and the other end of the mounting base (13) is rotatably connected to the rotating shaft (14).

9. A debris-blocking device for a hydropower station according to claim 1, characterized in that, The upper end of the debris-blocking net frame (4) is equipped with a support platform (2), and the debris collection box (1) is placed on the support platform (2).

10. A wastewater interception device for a hydropower station according to claim 9, characterized in that, A diagonal brace (3) is installed between the debris-blocking net frame (4) and the support platform (2).

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