Crusher for water conservancy and hydropower engineering

Abstract

The crusher comprises a box body, a base is fixedly connected to the upper portion of the box body, a protective shell is detachably connected to the upper portion of the base, and a screening assembly used for screening crushed stone is arranged in the protective shell; a dust falling assembly used for carrying out dust falling treatment in the screening process is further arranged in the box body, a compaction assembly used for compressing broken stone is arranged in front of the box body, a movement assembly used for providing power is arranged in the box body, a motor is fixedly connected to the upper portion of the base, and a supporting plate is fixedly connected to the side face of the motor. A motor drives a transmission shaft to rotate, the transmission shaft drives a smashing hammer to rotate, stone in the smashing box can be smashed, a cam column pushes a screen on the side face of a connecting plate to shake, compared with the prior art, the smashed stone can be screened, the stone of different sizes can be collected in a layered mode, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] This invention relates to the technical field of water conservancy engineering, specifically to a crusher used in water conservancy and hydropower projects. Background Technology

[0002] A crusher, also known as a stone crusher, is a pulverizing machine used in the processing of metal and non-metal minerals to crush mined raw ore into small particles through compression and bending. In water conservancy and hydropower construction projects, crushers are often used to crush paved stones to make the paving more compact.

[0003] Chinese Patent (Announcement No.: CN110947454A) discloses a crusher for water conservancy and hydropower projects. This invention uses a motor (b) to drive a drive shaft (a) to rotate, which in turn drives a drive wheel. A belt (a) drives a driven wheel, which in turn drives a driven shaft (a) to rotate. The driven shaft (a) drives a roller shaft to rotate, which in turn drives a cone to rotate. The meshing cones compress the raw material, crushing it into fragments under pressure. The motor (a) drives a rotating shaft (a) to rotate, which in turn drives rollers (a) and transmission wheels (a). The rotation of the transmission wheels, via belt (b), drives transmission wheels (b), which in turn drives rotating shaft (b) to rotate, which in turn drives rollers (b). The rotation of rollers (a) and rollers (b) causes protrusions (a) and protrusions (b) to rotate, causing the sliding support to bounce up and down. This causes the protrusions to slide within the groove, limiting the displacement range of the sliding support. The fragments pass through a filter screen and slide out from the discharge port, while large pieces of gravel are blocked by the filter screen. A baffle prevents material from splashing out during roller compression, enhancing safety.

[0004] While the aforementioned patents can crush gravel with high safety performance, they lack dust suppression during the crushing process, which could affect the health of workers. Furthermore, they cannot separate the crushed stone into layers, making it inconvenient for workers to use the crushed stone and resulting in low road paving efficiency. Therefore, a crusher for water conservancy and hydropower projects is proposed. Summary of the Invention

[0005] The purpose of this invention is to provide a crusher for water conservancy and hydropower projects to solve the problems mentioned in the background.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a crusher for water conservancy and hydropower projects, comprising a housing, a base fixedly connected to the top of the housing, a protective shell detachably connected to the top of the base, a screening component for screening the crushed stone inside the protective shell, a dust-reducing component for dust reduction during the screening process inside the housing, a compaction component for pressing the crushed stone at the front of the housing, a motion component for providing power inside the housing, an electric motor fixedly connected to the top of the base, and a support plate fixedly connected to the side of the electric motor.

[0007] Preferably, the output end of the motor is fixedly connected to a drive shaft, the surface of the drive shaft is fixedly connected to a crushing hammer, a crushing box is fixedly connected to the top of the base, a housing is detachably connected to the rear of the protective shell, a placement groove is provided in front of the housing, two sets of support plates are symmetrically arranged along the axis of the motor, and a feed inlet is provided on the top of the crushing box.

[0008] Preferably, the screening assembly includes a first bevel gear, which is fixedly connected to a drive shaft. A second bevel gear is meshed with the rear of the first bevel gear. A belt is provided on the surface of the second bevel gear. A drive rod is provided below the second bevel gear. Several sets of large gears are provided at the rear end of the drive rod. Several sets of small gears are meshed with the large gears. A cam column is fixedly connected to the small gears. A rotating rod is fixedly connected to the other end of the drive rod. A connecting plate is provided to the right of the cam column. Several sets of screens are fixedly connected to the right of the connecting plate. Several sets of discharge ports are provided in front of the screens. Several sets of spring columns are fixedly connected below the bottom set of screens. The other end of the spring columns is fixedly connected to the housing.

[0009] Preferably, the motion component includes a first swing arm, which is rotatably connected to a rotating rod. The other end of the first swing arm is rotatably connected to a slide plate via a pin. A first slide groove is slidably connected to the surface of the slide plate. A fixing plate is fixedly connected to the upper end of the first slide groove. The fixing plate is fixedly connected to the housing. A first wedge block is fixedly connected to the rear of the slide plate. A second wedge block is also fixedly connected to the rear of the slide plate. A turntable is slidably connected to the rear of the first and second wedge blocks. A push rod is fixedly connected to the rear of the turntable. A rotating wheel is rotatably connected to the other end of the push rod. A support rod is rotatably connected to the rear of the rotating wheel via a pin. The support rod is fixedly connected to the housing.

[0010] Preferably, the compaction component includes a second swing arm, which is rotatably connected to a rotating rod. The other end of the second swing arm is rotatably connected to a slider via a pin. A second sliding groove is slidably connected to the side of the slider. A connecting frame is fixedly connected to the lower end of the slider. An arc-shaped frame is fixedly connected to the other side of the connecting frame. A second connecting column is fixedly connected to the lower end of the arc-shaped frame. A first connecting column is also fixedly connected to the lower end of the arc-shaped frame.

[0011] Preferably, a second compaction plate is fixedly connected to the lower end of the second connecting column, a first compaction plate is fixedly connected to the lower end of the first connecting column, a moving block is fixedly connected to the right side of the arc-shaped frame, several sets of storage boxes are arranged below the first and second compaction plates, a protruding plate is arranged on the left side of the storage box, the first compaction plate is located diagonally above the second compaction plate, and the connecting frame is zigzag-shaped.

[0012] Preferably, the dust suppression component includes an arc-shaped block, a piston rod fixedly connected to the right side of the arc-shaped block, a piston cylinder slidably connected to the surface of the piston rod, a water tank fixedly connected to the right side of the piston cylinder, a water inlet fixedly connected to the top of the water tank, a water outlet fixedly connected to the right side of the water tank, a conveying pipe fixedly connected to the top of the water outlet, a plurality of first water spray pipes fixedly connected to the rear of the conveying pipe, and a plurality of second water spray pipes fixedly connected to the rear of the first water spray pipes.

[0013] Preferably, a moving rod is provided behind the water tank, a connecting block is fixedly connected to the surface of the moving rod, several sets of valves are provided behind the moving rod, a return spring is fixedly connected to the right side of the moving rod, a baffle is fixedly connected to the other end of the return spring, the baffle is fixedly connected to the delivery pipe, several sets of spray nozzles are opened on the surface of the first spray pipe and the second spray pipe, a one-way valve is provided inside the inlet and outlet pipes, and a reset element is provided inside the piston cylinder.

[0014] Preferably, four sets of spring columns are provided at the bottom of the screen, three sets of screens are provided to the right of the connecting plate, all three sets of screens are inclined, the discharge port is located directly above the storage box, the storage box is provided with high, medium and low sets, the second slide is fixedly connected to the box body, a through hole is provided between the first compaction plate and the second compaction plate, the water tank is fixedly connected to the box body, and the first water spray pipe and the second water spray pipe are fixedly connected to the box body.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] 1. This invention uses an electric motor to drive a transmission shaft, which in turn drives a crushing hammer to crush the stone inside the crushing chamber. The transmission shaft drives a first bevel gear to rotate, which in turn drives a second bevel gear to rotate. The second bevel gear drives a belt through a pulley, which in turn drives a transmission rod through a pulley. The transmission rod drives a small gear through a large gear, which in turn drives a cam column to rotate. The cam column then pushes the screen on the side of the connecting plate to vibrate. Compared with existing technologies, this invention can screen the crushed stone, allowing for the collection of stones of different sizes in layers, thus reducing the labor intensity of workers.

[0017] 2. This invention uses a transmission rod to drive a rotating rod to rotate, which in turn drives a first swing rod to swing. The first swing rod, via a pin, drives a sliding plate to slide inside a first groove. The sliding plate drives a first wedge block and a second wedge block to slide in a groove on the surface of a turntable, causing the turntable to rotate intermittently. The turntable pushes an arc block to reciprocate, and the arc block drives a piston rod to slide inside a piston cylinder. The turntable, via a push rod, pushes a connecting block to move, which in turn drives a moving rod to reciprocate. The moving rod then drives a valve to move, enabling the water inside the tank to be sprayed intermittently onto the surface of the screen through the first and second spray pipes. Compared with existing technologies, this invention reduces dust generated during stone crushing and improves the health of workers.

[0018] 3. This invention uses a rotating rod to drive the second swing arm, which in turn drives a slider to slide inside a second slide groove via a pin. The sliding of the second slide groove causes the connecting frame to move up and down, which in turn drives the arc frame to move. The arc frame, through a second connecting column and a first connecting column, drives the second compaction plate and the first compaction plate to move up and down inside the storage box. The movement of the arc frame causes the moving block to move up and down. Compared with the prior art, this invention can compact the crushed stone after screening inside the storage box while improving the space utilization rate inside the storage box, making it easier for workers to lay stones of different sizes in different places and improving work efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a side view of the overall structure of the present invention;

[0021] Figure 3 This is a schematic diagram of the internal structure of the present invention;

[0022] Figure 4 This is a schematic diagram of the screening component structure of the present invention;

[0023] Figure 5 This is a side view of the screening component of the present invention;

[0024] Figure 6This is a schematic diagram of the motion component structure of the present invention;

[0025] Figure 7 This is a side view of the motion component of the present invention;

[0026] Figure 8 This is a schematic diagram of the overall structure of the compaction component of the present invention;

[0027] Figure 9 This is a partial structural diagram of the compaction component of the present invention;

[0028] Figure 10 This is a schematic diagram of the dust suppression component structure of the present invention;

[0029] Figure 11 This is a magnified view of part A of the present invention;

[0030] In the diagram: 1. Box body; 2. Protective shell; 3. Motor; 4. Crushing box; 5. Crushing hammer; 6. Support plate; 7. Drive shaft; 8. Housing; 9. Base; 10. Placement slot; 100. Screening assembly; 101. First bevel gear; 102. Second bevel gear; 103. Belt; 104. Drive rod; 105. Large gear; 106. Small gear; 107. Cam column; 108. Rotating rod; 109. Spring column; 110. Connecting plate; 111. Screen; 112. Discharge port; 200. Motion assembly; 201. First swing arm; 202. Slide plate; 203. First chute; 204. Fixing plate; 205. First wedge block; 206. Second wedge block; 207. Turntable; 208. Support rod; 20 9. Rotary wheel; 210. Push rod; 300. Compaction assembly; 301. Second swing arm; 302. Slider; 303. Second slide rail; 304. Connecting frame; 305. Arc frame; 306. Moving block; 307. First connecting column; 308. First compaction plate; 309. Second connecting column; 310. Second compaction plate; 311. Storage box; 312. Convex plate; 400. Dust suppression assembly; 401. Arc block; 402. Piston rod; 403. Piston cylinder; 404. Water tank; 405. Water inlet; 406. Water outlet pipe; 407. Conveying pipe; 408. Moving rod; 409. Valve; 410. Return spring; 411. Baffle; 412. First water spray pipe; 413. Second water spray pipe; 414. Connecting block. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0032] Please see Figures 1 to 11 The present invention provides a technical solution: a crusher for water conservancy and hydropower projects, including a housing 1, a base 9 fixedly connected to the top of the housing 1, a protective shell 2 detachably connected to the top of the base 9, a screening component 100 for screening the crushed stone inside the protective shell 2, a dust suppression component 400 for dust reduction during the screening process inside the housing 1, a compaction component 300 for pressing the crushed stone at the front of the housing 1, a motion component 200 for providing power inside the housing 1, a motor 3 fixedly connected to the top of the base 9, and a support plate 6 fixedly connected to the side of the motor 3.

[0033] To facilitate the smooth operation of this device, a drive shaft 7 is fixedly connected to the output end of the motor 3, a crushing hammer 5 is fixedly connected to the surface of the drive shaft 7, a crushing box 4 is fixedly connected to the top of the base 9, a housing 8 is detachably connected to the rear of the protective shell 2, a placement groove 10 is provided in front of the box 1, two sets of support plates 6 are symmetrically arranged along the axis of the motor 3, and a feed inlet is provided above the crushing box 4.

[0034] To facilitate the stratification and screening of the crushed stone, the screening assembly 100 includes a first bevel gear 101, which is fixedly connected to the drive shaft 7. A second bevel gear 102 is meshed with the rear of the first bevel gear 101. A belt 103 is provided on the surface of the second bevel gear 102. A drive rod 104 is provided below the second bevel gear 102. Several sets of large gears 105 are provided at the rear end of the drive rod 104, and the several sets of large gears 105 are meshed with several... A small gear 106 is fixedly connected to a cam column 107. A rotating rod 108 is fixedly connected to the other end of the transmission rod 104. A connecting plate 110 is provided to the right of the cam column 107. Several sets of screens 111 are fixedly connected to the right of the connecting plate 110. Several sets of discharge ports 112 are provided in front of the screens 111. Several sets of spring columns 109 are fixedly connected below the bottom set of screens 111. The other end of the spring column 109 is fixedly connected to the housing 1.

[0035] To facilitate power transmission to the device, the motion component 200 includes a first swing arm 201, which is rotatably connected to a rotating rod 108. The other end of the first swing arm 201 is rotatably connected to a slide plate 202 via a pin. A first slide groove 203 is slidably connected to the surface of the slide plate 202. A fixing plate 204 is fixedly connected to the upper end of the first slide groove 203. The fixing plate 204 is fixedly connected to the housing 1. A first wedge block 205 is fixedly connected to the rear of the slide plate 202. A second wedge block 206 is also fixedly connected to the rear of the slide plate 202. A turntable 207 is slidably connected to the rear of the first wedge block 205 and the second wedge block 206. A push rod 210 is fixedly connected to the rear of the turntable 207. A rotating wheel 209 is rotatably connected to the other end of the push rod 210. A support rod 208 is rotatably connected to the rear of the rotating wheel 209 via a pin. The support rod 208 is fixedly connected to the housing 1.

[0036] To compact the crushed stone, the compaction assembly 300 includes a second swing arm 301, which is rotatably connected to the rotating rod 108. The other end of the second swing arm 301 is rotatably connected to a slider 302 via a pin. A second sliding groove 303 is slidably connected to the side of the slider 302. A connecting frame 304 is fixedly connected to the lower end of the slider 302. An arc-shaped frame 305 is fixedly connected to the other side of the connecting frame 304. A second connecting column 309 is fixedly connected to the lower end of the arc-shaped frame 305. A first connecting column 307 is also fixedly connected to the lower end of the arc-shaped frame 305.

[0037] Furthermore, a second compaction plate 310 is fixedly connected to the lower end of the second connecting column 309, a first compaction plate 308 is fixedly connected to the lower end of the first connecting column 307, a moving block 306 is fixedly connected to the right side of the arc frame 305, several sets of storage boxes 311 are arranged below the first compaction plate 308 and the second compaction plate 310, a protruding plate 312 is arranged on the left side of the storage box 311, the first compaction plate 308 is located diagonally above the second compaction plate 310, and the connecting frame 304 is shaped like a broken line.

[0038] To facilitate dust suppression of the crushed stone, the dust suppression component 400 includes an arc-shaped block 401. A piston rod 402 is fixedly connected to the right side of the arc-shaped block 401. A piston cylinder 403 is slidably connected to the surface of the piston rod 402. A water tank 404 is fixedly connected to the right side of the piston cylinder 403. A water inlet 405 is fixedly connected to the top of the water tank 404. A water outlet pipe 406 is fixedly connected to the right side of the water tank 404. A conveying pipe 407 is fixedly connected to the top of the water outlet pipe 406. Several sets of first water spray pipes 412 are fixedly connected to the rear of the conveying pipe 407. Several sets of second water spray pipes 413 are fixedly connected to the rear of the first water spray pipes 412.

[0039] To intermittently spray water onto the surface of the screen 111, a moving rod 408 is provided behind the water tank 404. A connecting block 414 is fixedly connected to the surface of the moving rod 408. Several sets of valves 409 are provided behind the moving rod 408. A return spring 410 is fixedly connected to the right side of the moving rod 408. A baffle 411 is fixedly connected to the other end of the return spring 410. The baffle 411 is fixedly connected to the conveying pipe 407. Several sets of spray nozzles are opened on the surface of the first spray pipe 412 and the second spray pipe 413. One-way valves are provided inside the inlet 405 and the outlet pipe 406. A reset element is provided inside the piston cylinder 403.

[0040] Furthermore, four sets of spring columns 109 are provided at the bottom of the screen 111, and three sets of the screen 111 are provided to the right of the connecting plate 110. All three sets of screens 111 are inclined. The discharge port 112 is located directly above the storage box 311. The storage box 311 is provided with three sets of high, medium and low. The second sliding groove 303 is fixedly connected to the box body 1. A through hole is provided between the first compaction plate 308 and the second compaction plate 310. The water tank 404 is fixedly connected to the box body 1. The first water spray pipe 412 and the second water spray pipe 413 are fixedly connected to the box body 1.

[0041] Working principle: After the invention is installed, the motor 3 starts and drives the transmission shaft 7 to rotate. The transmission shaft 7 drives the crushing hammer 5 to rotate. Then, the worker puts the stone into the crushing box 4 for crushing. At the same time, the transmission shaft 7 drives the first bevel gear 101 to rotate. The first bevel gear 101 meshes and drives the second bevel gear 102 to rotate. The second bevel gear 102 drives the belt 103 to rotate through the pulley. The belt 103 drives the transmission rod 104 to rotate through the pulley. The transmission rod 104 drives the large gear 105 to rotate. The large gear 105 meshes and drives the small gear 106 to rotate. The gear accelerator drives the cam column 107 to rotate. The cam column 107 pushes the connecting plate 110 to shake. The connecting plate 110 drives the screen 111 to move. The movement of the screen 111 can screen the crushed stone into layers, making it convenient for workers to lay.

[0042] The rotation of the transmission rod 104 drives the rotation rod 108 to rotate, which in turn drives the first swing rod 201 to swing. The first swing rod 201 drives the slide plate 202 to slide inside the first slide groove 203 via a pin. The sliding of the first slide groove 203 causes the first wedge block 205 and the second wedge block 206 to move. The movement of the second wedge block 206 causes the turntable 207 to rotate intermittently. The rotation of the turntable 207 pushes the arc block 401 to move, and the movement of the arc block 401 pushes the piston rod 402 in the piston cylinder 4. 03 The internal sliding mechanism allows water from the inlet 405 to be transported through the outlet pipe 406 to the conveying pipe 407. Simultaneously, the turntable 207 drives the push rod 210 to rotate, and the push rod 210 drives the moving rod 408 to move left and right through the connecting block 414. The movement of the moving rod 408 pushes the valve 409 to move, enabling water from the conveying pipe 407 to be sprayed onto the surface of the screen 111 through the first spray pipe 412 and the second spray pipe 413. This allows for dust suppression of the crushed stone, improving the health of the workers.

[0043] The rotation of the rotating rod 108 drives the second swing rod 301 to swing. The swing of the second swing rod 301 drives the slider 302 to slide inside the second slide groove 303. The sliding of the slider 302 drives the connecting frame 304 to move up and down. The connecting frame 304 drives the arc frame 305 to move up and down. The arc frame 305 drives the second compaction plate 310 and the first compaction plate 308 to compact the crushed stone inside the storage box 311 through the second connecting column 309 and the first connecting column 307. When the arc frame 305 moves, it drives the moving block 306 to move up and down. The moving block 306 contacts the convex plate 312 and moves, causing the first compaction plate 308 and the second compaction plate 310 to shake inside the storage box 311, which can further compact the crushed stone inside the storage box 311 and improve work efficiency.

[0044] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the scope and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A crusher for use in water conservancy and hydropower projects, comprising a housing (1), characterized in that: A base (9) is fixedly connected to the top of the box (1), and a protective shell (2) is detachably connected to the top of the base (9). A screening component (100) for screening the crushed stone is provided inside the protective shell (2). A dust-reducing component (400) for dust reduction during the screening process is also provided inside the box (1). A compaction component (300) for pressing the crushed stone is provided at the front of the box (1). A motion component (200) for providing power is provided inside the box (1). An electric motor (3) is fixedly connected to the top of the base (9), and a support plate (6) is fixedly connected to the side of the electric motor (3).

2. The crusher for water conservancy and hydropower projects according to claim 1, characterized in that: The output end of the motor (3) is fixedly connected to the drive shaft (7), the surface of the drive shaft (7) is fixedly connected to the crushing hammer (5), the base (9) is fixedly connected to the top of the crushing box (4), the protective shell (2) is detachably connected to the back of the shell (8), the box (1) is provided with a placement groove (10), the support plate (6) is symmetrically arranged in two sets along the axis of the motor (3), and the crushing box (4) is provided with a feed inlet on the top.

3. A crusher for water conservancy and hydropower projects according to claim 2, characterized in that: The screening assembly (100) includes a first bevel gear (101), which is fixedly connected to the drive shaft (7). A second bevel gear (102) is meshed with the rear of the first bevel gear (101). A belt (103) is provided on the surface of the second bevel gear (102). A drive rod (104) is provided below the second bevel gear (102). Several sets of large gears (105) are provided at the rear end of the drive rod (104). Several sets of large gears (105) are meshed with several sets of small gears (106). The pinion (106) is fixedly connected to a cam column (107), and the other end of the transmission rod (104) is fixedly connected to a rotating rod (108). A connecting plate (110) is provided to the right of the cam column (107), and several sets of screens (111) are fixedly connected to the right of the connecting plate (110). Several sets of discharge ports (112) are provided in front of the screens (111). Several sets of spring columns (109) are fixedly connected below the lowest set of screens (111), and the other end of the spring column (109) is fixedly connected to the box body (1).

4. A crusher for water conservancy and hydropower projects according to claim 3, characterized in that: The motion component (200) includes a first swing arm (201), which is rotatably connected to a rotating rod (108). The other end of the first swing arm (201) is rotatably connected to a sliding plate (202) via a pin. A first groove (203) is slidably connected to the surface of the sliding plate (202). A fixing plate (204) is fixedly connected to the upper end of the first groove (203). The fixing plate (204) is fixedly connected to the housing (1). A first wedge is fixedly connected to the rear of the sliding plate (202). The first wedge block (205) and the second wedge block (206) are fixedly connected to the back of the slide plate (202). The turntable (207) is slidably connected to the back of the first wedge block (205) and the second wedge block (206). The push rod (210) is fixedly connected to the back of the turntable (207). The other end of the push rod (210) is rotatably connected to the wheel (209). The support rod (208) is rotatably connected to the back of the wheel (209) through a pin. The support rod (208) is fixedly connected to the box body (1).

5. A crusher for water conservancy and hydropower projects according to claim 4, characterized in that: The compaction assembly (300) includes a second rocker arm (301), which is rotatably connected to a rotating rod (108). The other end of the second rocker arm (301) is rotatably connected to a slider (302) via a pin. A second slide groove (303) is slidably connected to the side of the slider (302). A connecting frame (304) is fixedly connected to the lower end of the slider (302). An arc frame (305) is fixedly connected to the other side of the connecting frame (304). A second connecting column (309) is fixedly connected to the lower end of the arc frame (305). A first connecting column (307) is also fixedly connected to the lower end of the arc frame (305).

6. A crusher for water conservancy and hydropower projects according to claim 5, characterized in that: The second connecting column (309) is fixedly connected to the lower end of the second compaction plate (310), the first connecting column (307) is fixedly connected to the lower end of the first compaction plate (308), the arc frame (305) is fixedly connected to the right side of the moving block (306), several sets of storage boxes (311) are arranged below the first compaction plate (308) and the second compaction plate (310), the storage box (311) is provided with a protruding plate (312) on the left side, the first compaction plate (308) is located diagonally above the second compaction plate (310), and the connecting frame (304) is shaped like a broken line.

7. A crusher for water conservancy and hydropower projects according to claim 6, characterized in that: The dust suppression component (400) includes an arc-shaped block (401), a piston rod (402) is fixedly connected to the right side of the arc-shaped block (401), a piston cylinder (403) is slidably connected to the surface of the piston rod (402), a water tank (404) is fixedly connected to the right side of the piston cylinder (403), a water inlet (405) is fixedly connected to the top of the water tank (404), a water outlet pipe (406) is fixedly connected to the right side of the water tank (404), a conveying pipe (407) is fixedly connected to the top of the water outlet pipe (406), a plurality of first water spray pipes (412) are fixedly connected to the rear of the conveying pipe (407), and a plurality of second water spray pipes (413) are fixedly connected to the rear of the first water spray pipes (412).

8. A crusher for water conservancy and hydropower projects according to claim 7, characterized in that: A moving rod (408) is provided behind the water tank (404). A connecting block (414) is fixedly connected to the surface of the moving rod (408). Several sets of valves (409) are provided behind the moving rod (408). A return spring (410) is fixedly connected to the right side of the moving rod (408). A baffle (411) is fixedly connected to the other end of the return spring (410). The baffle (411) is fixedly connected to the delivery pipe (407). Several sets of spray nozzles are opened on the surface of the first spray pipe (412) and the second spray pipe (413). A one-way valve is provided inside the inlet (405) and the outlet pipe (406). A reset element is provided inside the piston cylinder (403).

9. A crusher for water conservancy and hydropower projects according to claim 8, characterized in that: The spring column (109) is provided in four sets at the bottom of the screen (111), and the screen (111) is provided in three sets to the right of the connecting plate (110). All three sets of screens (111) are inclined. The discharge port (112) is located directly above the storage box (311). The storage box (311) is provided with three sets of high, medium and low. The second slide (303) is fixedly connected to the box body (1). The first compaction plate (308) and the second compaction plate (310) are provided with a through hole. The water tank (404) is fixedly connected to the box body (1). The first water spray pipe (412) and the second water spray pipe (413) are fixedly connected to the box body (1).

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