CN112916114A

CN112916114A - Stone crushing device for building engineering

Info

Publication number: CN112916114A
Application number: CN202110090751.7A
Authority: CN
Inventors: 王涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-06-08

Abstract

The invention discloses a stone breaking device for constructional engineering, belongs to the technical field of constructional engineering, solves the problem of poor stone breaking effect of the conventional stone breaking device for constructional engineering, and has the technical key points that: including the rubble case, put into the rubble incasement with building stones through the feeder hopper, first motor starts, the stirring turns over the board and stirs, first crushing roller and second crushing roller carry out the breakage, the second motor starts, under gear connection and first spring elastic action, make square epaxial stirring leaf make a round trip to reciprocate to stir in the rubble incasement, the third motor starts, order about first stirring epaxial stirring leaf and stir the breakage, the cam rotation makes first sieve vibrations screening about going on under the elastic action of second spring, the grinding miller is rotatory to be ground, building stones are under the impetus of push pedal, be convenient for discharge, the water pump starts, extraction water sprays out and sprinkles the processing of watering, the dust fall air exhauster starts, the collection is put to the extraction dust, have the rubble effectual advantage with the dust removal of being convenient for.

Description

Stone crushing device for building engineering

Technical Field

The invention relates to the field of constructional engineering, in particular to a stone crushing device for constructional engineering.

Background

The building is a general name of buildings and structures, is an artificial environment created by using grasped substance technical means and applying certain scientific laws, geomantic omen concepts and aesthetic rules in order to meet the needs of social life of people, is a space for people to live and use, such as houses, bridges, factories, gymnasiums, cave openings, water towers, temples and the like, which is formed by building materials such as soil, bricks, tiles, stones, wood and the like, and is a part of the building in a broad sense, namely, landscapes and gardens.

Need the stone material in the building work progress, and the stone material is mainly gathered from the mountain, because the stone material volume on the mountain is great, consequently needs the rubble device to carry out the breakage, and current rubble device for building engineering rubble effect is poor, and crushing effect is low, can't satisfy the in-service use needs, from top to bottom, and current rubble device for building engineering has the shortcoming that the rubble effect is poor, is difficult to obtain popularization and application.

Therefore, it is necessary to provide a stone breaking device for construction engineering, aiming to solve the above problems.

Disclosure of Invention

In view of the defects in the prior art, an embodiment of the present invention provides a stone breaking device for construction engineering to solve the above problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a stone breaking device for constructional engineering comprises a stone breaking box, wherein a feeding hopper is arranged at the top of the stone breaking box, a first breaking component is arranged below the feeding hopper, the first breaking component comprises a first breaking roller, a stirring turning plate and a second breaking roller, the stirring turning plate is fixedly connected with an output shaft of a first motor through a first rotating shaft, the first breaking roller and the second breaking roller are rotatably connected inside the stone breaking box through rotating gears, the second breaking component is arranged below the first breaking component, the second breaking component comprises a square shaft, a plurality of stirring blades are arranged on the square shaft, the square shaft is slidably connected in a square shaft sleeve, the square shaft sleeve is rotatably connected on the inner wall of the stone breaking box through a bearing, the square shaft is connected with a first rotary driving component through the square shaft sleeve and a first conical gear, the first rotary driving component comprises a second motor, one side of the first conical gear is connected with a linear reciprocating driving assembly through a third conical gear, the linear reciprocating driving assembly comprises a worm, a worm wheel, an incomplete gear and a push rod, one end of the square shaft is rotatably connected onto a pressing plate through a bearing, two ends of the pressing plate are respectively connected onto a connecting seat and a sliding rod in a sliding manner, a first spring is wound on a fixing ring on the sliding rod, a first screening assembly is arranged below the square shaft and comprises a first screen plate, a second spring and a cam, the cam is connected with a second rotary driving assembly through a first stirring shaft and a fourth conical gear, the second rotary driving assembly comprises a second rotating shaft and a third motor, a second screening assembly is arranged below the first stirring shaft and comprises a second screen plate, a second stirring shaft and a grinding rod, and a push plate convenient for controlling discharging is arranged below the second screen plate, push pedal fixed connection is in the second pivot, the outside of rubble case is provided with watering subassembly and dust removal subassembly respectively, watering subassembly includes water tank, water pump and watering shower nozzle, the dust removal subassembly includes exhaust column, air exhauster and collecting box.

As a further scheme of the invention, the top of the feed hopper is provided with a sealing cover, the number of the first crushing roller and the number of the second crushing roller are both two, the rotating gear on the first crushing roller is rotationally connected with the output shaft of the first motor through a first synchronous belt, and the rotating gear on the second crushing roller is rotationally connected with the output shaft of the first motor through a second synchronous belt.

As a further scheme of the invention, buffer plates are arranged on the side edges of the first crushing assembly, a first bevel gear is fixedly connected to the square shaft sleeve, the first bevel gear is respectively meshed with a second bevel gear and a third bevel gear, and the second bevel gear is fixedly connected with an output shaft of a second motor.

As a further scheme of the invention, the third bevel gear is fixedly connected to one end of a worm, the worm is rotatably connected to the inside of the connecting box through a bearing, the worm is connected with a worm gear, an incomplete gear is fixedly connected to a rotating shaft of the worm gear, the incomplete gear is rotatably connected to the inside of a push rod, and a plurality of teeth meshed with the incomplete gear are arranged in the push rod.

As a further scheme of the invention, the push rod is connected to the inside of the connecting box in a sliding mode through the connecting rod, the slide rod is fixedly connected into the connecting seat, and the connecting seat is fixedly connected to the outer side of the gravel box.

As a further scheme of the invention, the first sieve plate is slidably connected inside the gravel box, second springs are fixedly connected below two sides of the first sieve plate, the first stirring shaft is rotatably connected inside the gravel box, a plurality of stirring blades are arranged on the first stirring shaft, one end of the first stirring shaft is fixedly connected with a fourth bevel gear, the fourth bevel gear is meshed with a fifth bevel gear, the fifth bevel gear is fixedly connected on a second rotating shaft, and the second rotating shaft is fixedly connected with an output shaft of a third motor.

As a further scheme of the invention, the second stirring shaft is fixedly connected to a second rotating shaft, a plurality of stirring blades and a plurality of grinding rods are respectively arranged on the second stirring shaft, the second sieve plate is fixedly connected to the inside of the gravel box, the bottom of the gravel box is fixedly communicated with a discharge pipe convenient for discharging, and a valve is arranged on the discharge pipe.

As a further scheme of the invention, the water pump is communicated with the inside of the water tank through a pipeline, the water pump is also communicated with a water sprinkling nozzle through a pipeline, the water sprinkling nozzle faces the inside of the gravel box, and the water tank is fixedly connected to the outer side of the gravel box through a mounting plate.

As a further scheme of the invention, the exhaust fan is communicated with the interior of the gravel box through an exhaust pipe, the exhaust fan is also communicated with the interior of the collection box through a pipeline, and the collection box is fixedly connected to the outer side of the gravel box through a mounting plate.

In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:

the invention puts stone materials to be crushed into a stone crushing box through a feed hopper, a first motor is started to drive a stirring turning plate on a first rotating shaft to stir and divide the materials, a first crushing roller and a second crushing roller are driven to crush under the driving action of a first synchronous belt and a second synchronous belt, the crushed stone materials fall into a first sieve plate to be sieved, a second motor is started to drive a second bevel gear to rotate, stirring blades on a square shaft are driven to stir under the driving action of a gear connection, the first bevel gear is meshed with a third bevel gear, a worm is connected with a worm gear, so that an incomplete gear is driven to rotate and be connected into a push rod, the push rod is driven to push a pressure plate to move back and forth under the gear connection and the elastic force of a first spring, so that the stirring blades on the square shaft are driven to rotate back and forth in the stone crushing box to stir, avoid the layering of building stones, the building stones stirring of being convenient for, crushing efficiency has been improved, the third motor starts, it is rotatory to order about the epaxial fifth bevel gear of second pivot, under gear connection's relation, order about first stirring epaxial stirring leaf and stir the breakage, and the cam rotation makes first sieve carry out vibrations from top to bottom under the spring action of second spring, further improve screening efficiency, the epaxial grinding miller of second stirring is rotatory, grind the building stones on the second sieve, building stones after the second sieve screening are under the impetus of push pedal, the building stones are convenient for discharge from the discharging pipe, possess the effectual advantage of rubble.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the invention.

Fig. 2 is a rear view schematically illustrating an embodiment of the present invention.

FIG. 3 is an enlarged view of A in the embodiment of the present invention.

FIG. 4 is an enlarged view of B in the embodiment of the present invention.

FIG. 5 is an enlarged view of embodiment C of the present invention.

Fig. 6 is a schematic cross-sectional structure view of a square shaft sleeve in the embodiment of the invention.

Fig. 7 is an axial structural view of the cam in the embodiment of the invention.

Reference numerals: 1-a gravel box, 2-a feed hopper, 3-a first crushing roller, 4-a first rotating shaft, 5-a stirring turning plate, 6-a second crushing roller, 7-a first synchronous belt, 8-a first motor, 9-a second synchronous belt, 10-a connecting seat, 11-a sliding rod, 12-a first spring, 13-a pressing plate, 14-a square shaft, 15-a square shaft sleeve, 16-a first conical gear, 17-a second conical gear, 18-a second motor, 19-a third conical gear, 20-a worm, 21-a worm gear, 22-a connecting box, 23-an incomplete gear, 24-a push rod, 25-a first sieve plate, 26-a second spring, 27-a first stirring shaft, 28-a cam, 29-a fourth conical gear, 30-a fifth bevel gear, 31-a second rotating shaft, 32-a second stirring shaft, 33-a grinding rod, 34-a second sieve plate, 35-a push plate, 36-a discharge pipe, 37-a third motor, 38-a water tank, 39-a water pump, 40-a sprinkling nozzle, 41-an exhaust pipe, 42-an exhaust fan and 43-a collection box.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Example 1

Referring to fig. 1 to 7, a stone breaking device for construction engineering comprises a stone breaking box 1, wherein a feed hopper 2 is arranged at the top of the stone breaking box 1, a first breaking component is arranged below the feed hopper 2, the first breaking component comprises a first breaking roller 3, a stirring turning plate 5 and a second breaking roller 6, the stirring turning plate 5 is fixedly connected with an output shaft of a first motor 8 through a first rotating shaft 4, the first breaking roller 3 and the second breaking roller 6 are both rotatably connected inside the stone breaking box 1 through rotating gears, a second breaking component is arranged below the first breaking component, the second breaking component comprises a square shaft 14, a plurality of stirring blades are arranged on the square shaft 14, the square shaft 14 is slidably connected in a square shaft sleeve 15, the square shaft sleeve 15 is rotatably connected on the inner wall of the stone breaking box 1 through a bearing, the square shaft 14 is connected with a first rotary driving component through the square shaft sleeve 15 and a first bevel gear 16, the first rotary driving assembly comprises a second motor 18, one side of the first conical gear 16 is connected with a linear reciprocating driving assembly through a third conical gear 19, the linear reciprocating driving assembly comprises a worm 20, a worm wheel 21, an incomplete gear 23 and a push rod 24, one end of the square shaft 14 is connected to a pressing plate 13 through a bearing in a rotating mode, two ends of the pressing plate 13 are connected to the connecting seat 10 and the sliding rod 11 in a sliding mode respectively, a first spring 12 is wound on a fixing ring on the sliding rod 11, a first screening assembly is arranged below the square shaft 14 and comprises a first screening plate 25, a second spring 26 and a cam 28, the cam 28 is connected with a second rotary driving assembly through a first stirring shaft 27 and a fourth conical gear 29 and comprises a second rotating shaft 31 and a third motor 37, and a second screening assembly is arranged below the first stirring shaft 27, the second screen assembly comprises a second screen plate 34, a second stirring shaft 32 and a grinding rod 33, a push plate 35 convenient for controlling discharging is arranged below the second screen plate 34, and the push plate 35 is fixedly connected to the second rotating shaft 31.

Further, the top of feeder hopper 2 is provided with the closing cap, first crushing roller 3 and second crushing roller 6's quantity is two, the running gear on the first crushing roller 3 rotates through first hold-in range 7 and is connected with the output shaft of first motor 8, the running gear on the second crushing roller 6 rotates through second hold-in range 9 and is connected with the output shaft of first motor 8.

Further, the side edges of the first crushing assemblies are provided with buffer plates, the square shaft sleeve 15 is fixedly connected with a first bevel gear 16, the first bevel gear 16 is meshed with a second bevel gear 17 and a third bevel gear 19 respectively, and the second bevel gear 17 is fixedly connected with an output shaft of a second motor 18.

Further, the third bevel gear 19 is fixedly connected to one end of a worm 20, the worm 20 is rotatably connected to the inside of the connecting box 22 through a bearing, the worm 20 is in gear connection with a worm wheel 21, an incomplete gear 23 is fixedly connected to a rotating shaft of the worm wheel 21, the incomplete gear 23 is rotatably connected to the inside of a push rod 24, and a plurality of teeth meshed with the incomplete gear 23 are arranged in the push rod 24.

Further, the push rod 24 is slidably connected to the inside of the connection box 22 through a connecting rod, the slide rod 11 is fixedly connected to the inside of the connection seat 10, and the connection seat 10 is fixedly connected to the outer side of the stone crushing box 1.

Further, first sieve 25 sliding connection is in the inside of rubble case 1, the both sides below fixedly connected with second spring 26 of first sieve 25, first (mixing) shaft 27 rotates and connects in the inside of rubble case 1, be provided with a plurality of stirring leaves on the first (mixing) shaft 27, the one end fixedly connected with fourth bevel gear 29 of first (mixing) shaft 27, fourth bevel gear 29 meshes with fifth bevel gear 30 mutually, fifth bevel gear 30 fixed connection is on second pivot 31, second pivot 31 fixedly connected with third motor 37's output shaft.

Further, second (mixing) shaft 32 fixed connection is in second pivot 31, be provided with a plurality of stirring leaves and grinding rod 33 on the second (mixing) shaft 32 respectively, second sieve 34 fixed connection is in the inside of rubble case 1, the fixed intercommunication in bottom of rubble case 1 has the discharging pipe 36 of the ejection of compact of being convenient for, be provided with the valve on the discharging pipe 36.

Preferably, put into rubble case 1 through the building stones that will need the breakage via feeder hopper 2, first motor 8 starts, orders about stirring on the first pivot 4 and turns over board 5 and stir and divide the material, in addition under the drive effect of first hold-in range 7 and second hold-in range 9, orders about first crushing roller 3 and second crushing roller 6 and carries out crushing treatment.

Preferably, the crushed stone falls on the first sieve plate 25 for sieving, and the second motor 18 is started to drive the second bevel gear 17 to rotate, so as to drive the stirring blades on the square shaft 14 to stir under the gear connection relationship.

Preferably, the first bevel gear 16 is meshed with the third bevel gear 19, the worm 20 is in gear connection with the worm wheel 21, so that the incomplete gear 23 is driven to be rotatably connected into the push rod 24, the push rod 24 is driven to reciprocally push the pressing plate 13 to move under the gear connection relationship and the elastic action of the first spring 12, and the stirring blades on the square shaft 14 are driven to reciprocally rotate reciprocally back and forth in the stone crushing box 1 to stir, so that the stone is prevented from being layered, the stone is stirred uniformly, and the crushing efficiency is improved.

Preferably, the third motor 37 is started to drive the fifth bevel gear 30 on the second rotating shaft 31 to rotate, and under the gear connection relationship, the stirring blade on the first stirring shaft 27 is driven to stir and crush, and the cam 28 rotates to make the first sieve plate 25 vibrate up and down under the action of the elastic force of the second spring 26, so that the sieving efficiency is further improved.

Preferably, the grinding rods 33 on the second stirring shaft 32 rotate to grind the stone on the second sieve plate 34, and the stone screened by the second sieve plate 34 is pushed by the push plate 35 to be conveniently discharged from the discharge pipe 36.

Example 2

Referring to fig. 1 to 7, the stone breaking device for construction engineering comprises a stone breaking box 1, wherein a water sprinkling assembly and a dust removing assembly are respectively arranged on the outer side of the stone breaking box 1, the water sprinkling assembly comprises a water tank 38, a water pump 39 and a water sprinkling nozzle 40, and the dust removing assembly comprises an exhaust pipe 41, an exhaust fan 42 and a collecting box 43.

Further, the water pump 39 is communicated with the inside of the water tank 38 through a pipeline, the water pump 39 is further communicated with the water sprinkling nozzle 40 through a pipeline, the water sprinkling nozzle 40 is arranged towards the inside of the gravel box 1, and the water tank 38 is fixedly connected to the outer side of the gravel box 1 through a mounting plate.

Further, the exhaust fan 42 is communicated with the interior of the gravel box 1 through an exhaust pipe 41, the exhaust fan 42 is also communicated with the interior of the collection box 43 through a pipeline, and the collection box 43 is fixedly connected to the outer side of the gravel box 1 through a mounting plate.

Preferably, when the stones in the stone crushing box 1 are crushed, the water pump 39 is started to spray water from the water spray nozzle 40 via the water in the pipeline extraction water tank 38 for watering and dust-settling treatment, and the exhaust fan 42 is started to extract dust in the stone crushing box 1 via the exhaust pipe 41 and collect the dust in the collection box 43, so that the dust removal effect is good.

The rest of the structure of this example is the same as example 1.

The working principle of the invention is as follows: the stone material to be crushed is placed into the stone crushing box 1 through the feed hopper 2, the first motor 8 is started to drive the stirring turning plate 5 on the first rotating shaft 4 to stir and divide the stone material, in addition, under the driving action of the first synchronous belt 7 and the second synchronous belt 9, the first crushing roller 3 and the second crushing roller 6 are driven to crush, the crushed stone material falls into the first sieve plate 25 to sieve, the second motor 18 is started to drive the second bevel gear 17 to rotate, under the gear connection relationship, the stirring blades on the square shaft 14 are driven to stir, in addition, the first bevel gear 16 is meshed with the third bevel gear 19, the worm 20 is connected with the worm wheel 21 through a gear, so that the incomplete gear 23 is driven to be rotationally connected into the push rod 24, under the gear connection relationship and under the elastic force action of the first spring 12, the push rod 24 is driven to push the press plate 13 to move back and forth, thereby driving the stirring blades on the square shaft 14 to reciprocate back and forth to stir in the stone crushing box 1, avoiding the layering of stone materials, facilitating the uniform stirring of the stone materials, improving the crushing efficiency, driving the fifth bevel gear 30 on the second rotating shaft 31 to rotate, driving the stirring blades on the first stirring shaft 27 to stir and crush under the relationship of gear connection, rotating the cam 28 to enable the first sieve plate 25 to vibrate up and down under the action of the elastic force of the second spring 26, further improving the screening efficiency, rotating the grinding rod 33 on the second stirring shaft 32 to grind the stone materials on the second sieve plate 34, discharging the stone materials from the discharging pipe 36 under the pushing action of the pushing plate 35 after the stone materials are screened by the second sieve plate 34, when the stone materials in the stone crushing box 1 are crushed, starting the water pump 39, spraying water from the water spraying nozzle 40 to perform the dust settling treatment by pumping water in the water tank 38 through a pipeline, simultaneously the exhaust fan 42 is started, and the dust in the gravel box 1 is extracted through the exhaust pipe 41 and enters the collecting box 43 for collection, so that the dust removal effect is good.

It should be particularly noted that all the components in the present application are common standard components or components known to those skilled in the art, and the design of the first crushing assembly, the second crushing assembly, the square shaft 14, the square shaft sleeve 15, the first rotary driving assembly, the linear reciprocating driving assembly, the first screening assembly, the second rotary driving assembly and the second screening assembly is applied to a stone crushing device for construction engineering in combination, which is an innovative point of the present application, and effectively solves the problem of poor stone crushing effect of the existing stone crushing device for construction engineering.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A stone breaking device for constructional engineering comprises a stone breaking box (1), wherein a feed hopper (2) is arranged at the top of the stone breaking box (1), and is characterized in that a first breaking component is arranged below the feed hopper (2), the first breaking component comprises a first breaking roller (3), a stirring turning plate (5) and a second breaking roller (6), the stirring turning plate (5) is fixedly connected with an output shaft of a first motor (8) through a first rotating shaft (4), the first breaking roller (3) and the second breaking roller (6) are both connected inside the stone breaking box (1) through rotating gears in a rotating manner, a second breaking component is arranged below the first breaking component, the second breaking component comprises a square shaft (14), a plurality of stirring blades are arranged on the square shaft (14), and the square shaft (14) is connected in a square shaft sleeve (15) in a sliding manner, the utility model discloses a broken stone box, including broken stone box (1), square axle sleeve (15), square shaft (14), first rotary driving subassembly, first motor (18) are connected with through square axle sleeve (15) and first conical gear (16) to square axle sleeve (15), one side of first conical gear (16) is connected with the reciprocal drive assembly of straight line through third conical gear (19), the reciprocal drive assembly of straight line includes worm (20), worm wheel (21), incomplete gear (23) and push rod (24), the one end of square shaft (14) is passed through the bearing and is rotated and be connected on clamp plate (13), the both ends of clamp plate (13) are sliding connection respectively on connecting seat (10) and slide bar (11), solid fixed ring has around first spring (12) on slide bar (11), the below of square shaft (14) is provided with first screening subassembly, the first screening assembly comprises a first screening plate (25), a second spring (26) and a cam (28), the cam (28) is connected with a second rotary driving assembly through a first stirring shaft (27) and a fourth bevel gear (29), the second rotary driving assembly comprises a second rotating shaft (31) and a third motor (37), the second screening assembly is arranged below the first stirring shaft (27) and comprises a second screening plate (34), a second stirring shaft (32) and a grinding rod (33), a push plate (35) convenient for controlling discharging is arranged below the second screening plate (34), the push plate (35) is fixedly connected onto the second rotating shaft (31), a water sprinkling assembly and a dust removal assembly are respectively arranged on the outer side of the gravel box (1), the water sprinkling assembly comprises a water tank (38), a water pump (39) and a sprinkling nozzle (40), the dust removal assembly comprises an exhaust pipe (41), an exhaust fan (42) and a collection box (43).

2. The stone breaking device for building engineering according to claim 1, characterized in that a cover is arranged on the top of the feed hopper (2), the number of the first crushing roller (3) and the second crushing roller (6) is two, the rotating gear on the first crushing roller (3) is rotatably connected with the output shaft of the first motor (8) through a first synchronous belt (7), and the rotating gear on the second crushing roller (6) is rotatably connected with the output shaft of the first motor (8) through a second synchronous belt (9).

3. The stone crushing device for building engineering according to claim 2, characterized in that the side edges of the first crushing assemblies are provided with buffer plates, a first bevel gear (16) is fixedly connected to the square shaft sleeve (15), the first bevel gear (16) is respectively meshed with a second bevel gear (17) and a third bevel gear (19), and the second bevel gear (17) is fixedly connected with an output shaft of a second motor (18).

4. The stone breaking device for the construction engineering as claimed in claim 3, characterized in that the third bevel gear (19) is fixedly connected to one end of a worm (20), the worm (20) is rotatably connected to the inside of the connecting box (22) through a bearing, the worm (20) is in gear connection with a worm wheel (21), an incomplete gear (23) is fixedly connected to a rotating shaft of the worm wheel (21), the incomplete gear (23) is rotatably connected to the inside of a push rod (24), and a plurality of teeth meshed with the incomplete gear (23) are arranged in the push rod (24).

5. A stone breaking device for building engineering according to claim 4, characterized in that the push rod (24) is connected in a sliding way to the inside of the connecting box (22) through a connecting rod, the slide rod (11) is fixedly connected in the connecting seat (10), and the connecting seat (10) is fixedly connected to the outer side of the stone breaking box (1).

6. The stone breaking device for the building engineering as claimed in claim 1, wherein the first sieve plate (25) is slidably connected inside the stone breaking box (1), a second spring (26) is fixedly connected below two sides of the first sieve plate (25), the first stirring shaft (27) is rotatably connected inside the stone breaking box (1), a plurality of stirring blades are arranged on the first stirring shaft (27), a fourth bevel gear (29) is fixedly connected to one end of the first stirring shaft (27), the fourth bevel gear (29) is meshed with a fifth bevel gear (30), the fifth bevel gear (30) is fixedly connected to a second rotating shaft (31), and an output shaft of a third motor (37) is fixedly connected to the second rotating shaft (31).

7. The stone crushing device for building engineering according to claim 6, wherein the second stirring shaft (32) is fixedly connected to the second rotating shaft (31), the second stirring shaft (32) is provided with a plurality of stirring blades and grinding rods (33), the second sieve plate (34) is fixedly connected to the inside of the stone crushing box (1), the bottom of the stone crushing box (1) is fixedly communicated with a discharge pipe (36) convenient for discharging, and a valve is arranged on the discharge pipe (36).

8. The stone breaking device for building engineering according to claim 1, characterized in that the water pump (39) is in communication with the inside of the water tank (38) through a pipe, the water pump (39) is also in communication with a sprinkler (40) through a pipe, the sprinkler (40) is arranged towards the inside of the stone breaking tank (1), and the water tank (38) is fixedly connected to the outside of the stone breaking tank (1) through a mounting plate.

9. A lithotripsy apparatus for construction engineering according to claim 8, characterized in that the suction fan (42) is in communication with the interior of the lithotripsy tank (1) via an exhaust pipe (41), the suction fan (42) is also in communication with the interior of a collection box (43) via a pipe, the collection box (43) being fixedly connected to the outside of the lithotripsy tank (1) via a mounting plate.