Stone crusher of stone excavation machine

Abstract

The stone crusher comprises a mounting bottom plate, an auxiliary supporting table and a main supporting table are sequentially and fixedly mounted at the upper end of the mounting bottom plate from front to back, and a gear motor is fixedly mounted at the upper end of the auxiliary supporting table; a first transmission chain wheel is fixedly installed on a transmission shaft part at the rear end of the gear motor, a main crushing shaft and an auxiliary crushing shaft are rotationally connected to the two sides of the middle of the main supporting table in a penetrating mode through bearing seats correspondingly, and a main transmission fluted disc and an auxiliary transmission fluted disc are fixedly installed on the outer curved surfaces of the front ends of the main crushing shaft and the auxiliary crushing shaft correspondingly; a second transmission chain wheel is fixedly installed at the front end of the main crushing shaft, and crushing rollers used for crushing stones are fixedly installed in the middle of the main crushing shaft and the middle of the auxiliary crushing shaft. According to the stone crusher disclosed by the utility model, stones can be conveniently and preliminarily crushed and segmented, and meanwhile, the segmented stone fragments can be directly and secondarily crushed.

Description

Technical Field

[0001] The utility model relates to the technical field of stone excavation, in particular to a mechanical stone crusher for stone excavation. Background Art

[0002] Stone excavation mainly refers to the process of mining and excavating stone, which usually involves professional machinery and technology to ensure mining efficiency and stone quality.

[0003] Stone excavation has many functions: Obtaining raw materials: Stone excavation is a key step in obtaining stone raw materials required for construction, decoration, etc. Through excavation, people can obtain stones of various types, textures and colors from mines, riverbeds and other places to meet the needs of different fields. At the same time, by mining and processing stones, more added value can be created to promote the development of related industries. Meeting construction needs: In the field of construction, stone is widely used in walls, floors, decorations and other parts. Obtaining stones of different specifications and textures through excavation can meet the needs of different architectural styles and functions and improve the quality and value of buildings.

[0004] Among them, when excavating stones, a crusher will be used to crush the excavated stones so that they can be transported and processed later.

[0005] However, in actual use of the prior art, during the process of using a crusher to crush the excavated stones, since the excavated stones are of different sizes, when crushing larger stones, an impact drill is usually used in advance to manually crush and divide the larger stones, and then the crushed and divided stones are put into the crusher for crushing. However, when an impact drill is used in advance to manually crush and divide the larger stones, the crushing process is relatively cumbersome, which affects the crushing efficiency of the stones. Utility Model Content

[0006] The utility model aims to provide a mechanical stone crusher for stone excavation, so as to solve the problem proposed in the above-mentioned background technology that in the process of using a stone crusher to crush the excavated stone, due to the different sizes of the excavated stones, when crushing larger stones, usually an impact drill is used in advance to manually crush and divide the larger stones, and then the crushed and divided stones are put into the stone crusher for crushing. However, when an impact drill is used in advance to manually crush and divide the larger stones, the crushing process is relatively cumbersome, which affects the crushing efficiency of the stone.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: comprising a mounting base plate, wherein the upper end of the mounting base plate is fixedly mounted with a secondary support platform and a main support platform in sequence from front to back, a reduction motor is fixedly mounted on the upper end of the secondary support platform, a first transmission sprocket is fixedly mounted on the rear end transmission shaft portion of the reduction motor, a main crushing shaft and a secondary crushing shaft are rotatably connected to the two sides of the middle of the main support platform through bearing seats, a main transmission toothed disc and a secondary transmission toothed disc are fixedly mounted on the front end outer curved surfaces of the main crushing shaft and the secondary crushing shaft, and a second transmission sprocket is fixedly mounted on the front end of the main crushing shaft, Crushing rollers for crushing stones are fixedly installed in the middle of the main crushing shaft and the auxiliary crushing shaft, a dividing grid is fixedly installed on the inner wall of the upper end of the main supporting platform, guide plates are fixedly installed on both sides of the lower end of the dividing grid, a feeding trough is fixedly installed through the outer side of the top of the main supporting platform, a hydraulic telescopic rod is fixedly installed on the outer side of the top of the main supporting platform, a lifting plate is fixedly installed on the top of the hydraulic telescopic rod, impact drills for crushing and dividing stones are fixedly installed through both sides of the middle of the lifting plate, and a discharge trough is fixedly installed on the inner side of the lower end of the main supporting platform.

[0008] Preferably, fixing holes are formed through the four corners of the installation base plate, and there are four fixing holes, which are symmetrically distributed at the four corners of the installation base plate, so that the installation base plate can be installed and fixed through the fixing holes in conjunction with embedded bolts.

[0009] Preferably, the main transmission gear plate and the auxiliary transmission gear plate are meshed with each other, and counterweight plates are fixedly installed at the rear ends of the main crushing shaft and the auxiliary crushing shaft.

[0010] Preferably, the second transmission sprocket is transmission-connected to the first transmission sprocket via a chain.

[0011] Preferably, there are two guide plates, which are symmetrically distributed on both sides of the lower end of the dividing grid, and the openings at the lower ends of the guide plates are located directly above the inner sides of the main crushing shaft and the auxiliary crushing shaft.

[0012] Preferably, the upper end of the feeding trough is inclined upward.

[0013] Preferably, there are several impact drills, which are symmetrically distributed on both sides of the middle of the lifting plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. When the stone slides to the upper end of the split grid, the utility model controls the hydraulic telescopic rod to be retracted. When the hydraulic telescopic rod is retracted, it drives the lifting plate to move downward. When the lifting plate moves downward, it drives the impact drill to move downward. When the impact drill moves downward, the impact drill is controlled to be turned on to perform preliminary crushing and segmentation of the stone on the upper end of the split grid, thereby achieving the function of facilitating preliminary crushing and segmentation of the stone;

[0016] 2. When the reduction motor is turned on, the utility model will drive the first transmission sprocket to rotate. When the first transmission sprocket rotates, it will drive the second transmission sprocket to rotate through the chain. When the second transmission sprocket rotates, it will drive the main crushing shaft to rotate. When the main crushing shaft rotates, it will drive the main transmission gear plate to rotate. When the main transmission gear plate rotates, it will mesh and drive the auxiliary transmission gear plate to rotate. When the auxiliary transmission gear plate rotates, it will drive the auxiliary crushing shaft to rotate. When the main crushing shaft and the auxiliary crushing shaft rotate, they will drive the crushing roller to perform secondary crushing on the stone fragments after the initial crushing and segmentation. At the same time, the secondary crushed stone fragments will be discharged outward through the discharge chute, so as to facilitate the initial crushing and segmentation of the stone and directly perform secondary crushing on the segmented stone fragments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a stone excavation mechanical crusher of the utility model Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the overall structure of a stone excavation mechanical crusher of the utility model Figure 2 ;

[0019] Figure 3 The utility model is a schematic cross-sectional view of the overall structure of a stone excavation mechanical crusher.

[0020] In the figure: 1. Installation base plate; 2. Fixing hole; 3. Auxiliary support platform; 4. Main support platform; 5. Speed ​​reduction motor; 6. First transmission sprocket; 7. Main crushing shaft; 8. Auxiliary crushing shaft; 9. Main transmission gear plate; 10. Auxiliary transmission gear plate; 11. Counterweight plate; 12. Second transmission sprocket; 13. Crushing roller; 14. Dividing grid; 15. Guide plate; 16. Feed chute; 17. Hydraulic telescopic rod; 18. Lifting plate; 19. Impact drill; 20. Discharge chute. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 The utility model provides a technical solution for a stone excavation mechanical stone crusher: comprising a mounting base plate 1, wherein fixing holes 2 are provided at four corners of the mounting base plate 1, and the fixing holes 2 are four in number, which are symmetrically distributed at the four corners of the mounting base plate 1, so that the mounting base plate 1 can be mounted and fixed by the fixing holes 2 in combination with embedded bolts;

[0023] A secondary support platform 3 and a main support platform 4 are fixedly installed on the upper end of the installation base plate 1 from front to back in sequence, a reduction motor 5 is fixedly installed on the upper end of the secondary support platform 3, and a first transmission sprocket 6 is fixedly installed on the transmission shaft part at the rear end of the reduction motor 5. A main crushing shaft 7 and a secondary crushing shaft 8 are rotatably connected to the two sides of the middle part of the main support platform 4 through bearing seats respectively, and a main transmission toothed disc 9 and a secondary transmission toothed disc 10 are fixedly installed on the outer surfaces of the front ends of the main crushing shaft 7 and the secondary crushing shaft 8 respectively, and the main transmission toothed disc 9 and the secondary transmission toothed disc 10 are meshed with each other, and a counterweight plate 11 is fixedly installed at the rear ends of the main crushing shaft 7 and the secondary crushing shaft 8 so that the balance of the main crushing shaft 7 and the secondary crushing shaft 8 is maintained by the counterweight plate 11, a second transmission sprocket 12 is fixedly installed at the front end of the main crushing shaft 7, and the second transmission sprocket 12 is mutually transmission-connected with the first transmission sprocket 6 through a chain, and a main crushing shaft 7 and a secondary crushing shaft 8 are fixedly installed in the middle. A crushing roller 13 is used for crushing stone. A dividing grid 14 is fixedly installed on the inner wall of the upper end of the main support platform 4. Guide plates 15 are fixedly installed on both sides of the lower end of the dividing grid 14. There are two guide plates 15, which are symmetrically distributed on both sides of the lower end of the dividing grid 14. The opening of the lower end of the guide plate 15 is located directly above the inner side of the main crushing shaft 7 and the auxiliary crushing shaft 8. A feeding trough 16 is fixedly installed through the outer side of the top of the main support platform 4, and the upper end of the feeding trough 16 is inclined upward. A hydraulic telescopic rod 17 is fixedly installed on the outer side of the top of the main support platform 4, and a lifting plate 18 is fixedly installed on the top of the hydraulic telescopic rod 17. Impact drills 19 for crushing and dividing the stone are fixedly installed on both sides of the middle of the lifting plate 18. There are several impact drills 19, which are symmetrically distributed on both sides of the middle of the lifting plate 18. A discharge trough 20 is fixedly installed on the inner side of the lower end of the main support platform 4.

[0024] Working principle: When in use, the utility model puts the excavated stone into the feeding trough 16. When the excavated stone is put into the feeding trough 16, the stone will slide down to the upper end of the dividing grid 14 along the feeding trough 16 under the action of its own gravity. When the stone slides to the upper end of the dividing grid 14, the hydraulic telescopic rod 17 is controlled to be retracted. When the hydraulic telescopic rod 17 is retracted, it drives the lifting plate 18 to move downward. When the lifting plate 18 moves downward, it drives the impact drill 19 to move downward. When the impact drill 19 moves downward, the impact drill 19 is controlled to be turned on, so that the stone on the upper end of the dividing grid 14 can be preliminarily crushed and split, thereby achieving the effect of facilitating the preliminarily crushing and splitting of the stone.

[0025] At the same time, when the stone is initially crushed and divided, the divided stone fragments will fall down along the inner wall of the dividing grille 14. When the stone fragments fall down along the inner wall of the dividing grille 14, they will slide through the guide plate 15 to the upper part of the inner side of the main crushing shaft 7 and the auxiliary crushing shaft 8. When the stone fragments slide to the upper part of the inner side of the main crushing shaft 7 and the auxiliary crushing shaft 8, the reduction motor 5 is turned on by control. When the reduction motor 5 is turned on, it will drive the first transmission sprocket 6 to rotate. When the first transmission sprocket 6 rotates, it will drive the second transmission sprocket 12 to rotate through the chain. When the second transmission sprocket 12 rotates, it will drive the main The crushing shaft 7 rotates. When the main crushing shaft 7 rotates, it will drive the main transmission gear plate 9 to rotate. When the main transmission gear plate 9 rotates, it will engage and drive the auxiliary transmission gear plate 10 to rotate. When the auxiliary transmission gear plate 10 rotates, it will drive the auxiliary crushing shaft 8 to rotate. When the main crushing shaft 7 and the auxiliary crushing shaft 8 rotate, they will drive the crushing roller 13 to perform secondary crushing on the stone fragments after the initial crushing and segmentation. At the same time, the secondary crushed stone fragments will be discharged outward through the discharge chute 20, so as to facilitate the initial crushing and segmentation of the stone while directly performing secondary crushing on the segmented stone fragments.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mechanical stone crusher for stone excavation, characterized in that: The invention comprises a mounting base plate (1), wherein the upper end of the mounting base plate (1) is fixedly provided with a secondary support platform (3) and a main support platform (4) in sequence from front to back, the upper end of the secondary support platform (3) is fixedly provided with a reduction motor (5), the rear end transmission shaft portion of the reduction motor (5) is fixedly provided with a first transmission sprocket (6), the middle two sides of the main support platform (4) are respectively connected to a main crushing shaft (7) and a secondary crushing shaft (8) through a bearing seat, the front end outer curved surfaces of the main crushing shaft (7) and the secondary crushing shaft (8) are respectively fixedly provided with a main transmission toothed disc (9) and a secondary transmission toothed disc (10), the front end of the main crushing shaft (7) is fixedly provided with a second transmission sprocket (12), the main crushing shaft (7) and the secondary crushing shaft ( 8) A crushing roller (13) for crushing stone is fixedly installed in the middle, a dividing grid (14) is fixedly installed on the inner wall of the upper end of the main support platform (4), and guide plates (15) are fixedly installed on both sides of the lower end of the dividing grid (14). A feeding trough (16) is fixedly installed through the outer side of the upper top of the main support platform (4), a hydraulic telescopic rod (17) is fixedly installed on the outer side of the upper top of the main support platform (4), and a lifting plate (18) is fixedly installed on the upper top of the hydraulic telescopic rod (17), and an impact drill (19) for crushing and dividing stone is fixedly installed on both sides of the middle of the lifting plate (18), and a discharge trough (20) is fixedly installed on the inner side of the lower end of the main support platform (4).

2. A stone excavation mechanical crusher according to claim 1, characterized in that: The four corners of the installation base plate (1) are penetrated with fixing holes (2), and there are four fixing holes (2) which are symmetrically distributed at the four corners of the installation base plate (1), so that the installation base plate (1) can be installed and fixed through the fixing holes (2) in conjunction with embedded bolts.

3. A stone excavation mechanical crusher according to claim 2, characterized in that: The main transmission gear plate (9) and the auxiliary transmission gear plate (10) are meshed with each other, and a counterweight plate (11) is fixedly installed at the rear ends of the main crushing shaft (7) and the auxiliary crushing shaft (8).

4. A stone excavation mechanical crusher according to claim 3, characterized in that: The second transmission sprocket (12) is transmission-connected to the first transmission sprocket (6) via a chain.

5. A stone excavation mechanical crusher according to claim 4, characterized in that: There are two guide plates (15), which are symmetrically distributed on both sides of the lower end of the dividing grid (14). The opening of the lower end of the guide plate (15) is located directly above the inner side of the main crushing shaft (7) and the auxiliary crushing shaft (8).

6. A stone excavation mechanical crusher according to claim 5, characterized in that: The upper end of the feeding trough (16) is inclined upward.

7. A stone excavation mechanical crusher according to claim 6, characterized in that: There are several impact drills (19) which are symmetrically distributed on both sides of the middle of the lifting plate (18).

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