Mine blasting mining crushing device
By adopting a threaded clamping design and hinged structure of lead screw and clamping plate in the crushing device, the top cover and crushing base can be quickly disassembled and assembled, which solves the problem of difficult equipment maintenance in the existing technology, improves maintenance efficiency and equipment stability, and reduces maintenance cycle.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA POWER CONSTR (YUNFU) NEW MATERIALS CO LTD
- Filing Date
- 2025-06-09
- Publication Date
- 2026-05-19
AI Technical Summary
Existing crushing equipment is difficult to disassemble quickly when it malfunctions, resulting in extended maintenance cycles and affecting the maintainability and usability of the equipment.
The screw and clamping plate are designed to achieve tool-free and rapid opening and closing of the top cover and crushing base. Combined with the hinge structure and self-locking clamping, it adapts to the vibration conditions in the mining area and ensures the reliability of the seal.
It improves equipment maintenance efficiency, reduces downtime maintenance cycles, ensures equipment operation stability and sealing, prevents material leakage, and enhances continuous operation efficiency.
Smart Images

Figure CN224252949U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of blasting mining technology, specifically relating to a crushing device for blasting mining. Background Technology
[0002] Mineral resources are the material foundation for human survival and development in the modern era. Even in today's era of rapid information technology development, mineral resources still play an irreplaceable role in people's daily lives. In the production process of mineral mining, beneficiation, and refining, the raw ore from the mine usually needs to undergo multiple crushing processes, followed by grinding and sorting.
[0003] Existing crushing equipment typically uses multiple sets of fastening bolts to fix the structural connections. When the internal core components wear out or fail, it is difficult for on-site technicians to carry out quick disassembly operations, resulting in a significant extension of the equipment downtime maintenance cycle. This design defect directly restricts the maintainability index of the equipment, and the overall practicality of the equipment is poor. Therefore, a mining blasting and crushing equipment is needed to help solve this problem. Utility Model Content
[0004] (1) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a mining blasting and crushing device. The fixing components of this device utilize a screw and pressure plate threaded clamping design to achieve tool-free, rapid opening and closing of the top cover and crushing base. Disassembly and assembly can be completed with single-sided operation, improving maintenance efficiency. The hinged structure adapts to vibration conditions in mining areas, and the self-locking clamping ensures reliable sealing, effectively preventing material leakage from the crushing chamber, improving equipment operational stability, and significantly reducing downtime for maintenance.
[0006] (2) Technical solution
[0007] To solve the above-mentioned technical problems, this utility model provides a mining blasting and crushing device, which includes a base frame, a through-hole at the top of the base frame, a crushing base installed at the top of the base frame corresponding to the through-hole, a top cover hinged to the top of the crushing base, a feed inlet at the top cover, a feed shell at the feed inlet, a crushing chamber inside the crushing base and the top cover, and a rotating shaft rotatably installed inside the crushing chamber;
[0008] A breaker hammer is fixed at the outer edge of the rotating shaft. A mating liner plate that is fixed to the breaker hammer is installed in the crushing chamber. A discharge port is opened at the bottom of the crushing base. A conveying assembly is arranged at the bottom of the base frame below the discharge port.
[0009] Furthermore, a plurality of the hydraulic breakers are provided, and the plurality of the hydraulic breakers are staggered at the outer edge of the rotating shaft.
[0010] Furthermore, a first protruding plate is fixed to the end of the break base away from the hinge, and a second protruding plate is fixed to the end of the top cover away from the hinge. Through holes are provided on the first and second protruding plates, and fixing components are installed in the through holes.
[0011] Furthermore, the fixing assembly includes a hinge seat hinged to the through-hole of the first protruding plate, a lead screw fixed on the hinge seat, a pressure plate threaded onto the lead screw, and the bottom of the pressure plate pressing against the top of the second protruding plate.
[0012] Furthermore, the conveying assembly includes a fixed base fixed on the base frame, a conveying cavity is provided on the fixed base, a conveying shaft is rotatably arranged at equal intervals in the conveying cavity, a conveying belt is wound around the conveying shaft, and a conveying motor that drives the conveying shaft to rotate is installed on the fixed base.
[0013] Furthermore, a second drive shaft is rotatably mounted on the outer side of the crushing base, one end of the drive shaft is fixed to one side of the second drive shaft, a servo motor is mounted on the top of the base frame, and a first rotating shaft is fixed to the front end of the servo motor shaft. The first rotating shaft and the second drive shaft are connected by a drive belt.
[0014] Furthermore, each of the four corners of the bottom of the base frame is equipped with a leveling knob, and the base frame and the leveling knob are threaded together.
[0015] (3) Beneficial effects
[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0017] This utility model utilizes the hinged connection between the top cover, the first protruding plate, and the fixing components on the second protruding plate, all mounted on the top of the crushing base. The fixing components, through a threaded clamping design between a screw and a clamping plate, enable tool-free, rapid opening and closing of the top cover and the crushing base. Disassembly and assembly can be completed by unilateral operation, improving maintenance efficiency. The hinged structure adapts to the vibration conditions in mining areas, and the self-locking clamping ensures reliable sealing, effectively preventing material leakage from the crushing chamber, improving equipment operational stability, and significantly reducing downtime for maintenance.
[0018] This invention utilizes a conveying assembly with a conveyor motor driving the conveyor shaft to rotate. The conveyor belt then transports the material in a specific direction to the next process. The conveying assembly intelligently controls the conveyor belt speed to achieve efficient directional conveying, avoid material accumulation, reduce the frequency of manual cleaning, and significantly improve the efficiency of continuous operation. Attached Figure Description
[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of the structure of this utility model;
[0021] Figure 2 This is a longitudinal sectional view of the crushing base of this utility model;
[0022] Figure 3 This utility model Figure 1 Enlarged structural diagram at point A;
[0023] Figure 4 This utility model Figure 2 A magnified structural diagram at point B in the middle.
[0024] The labels in the attached diagram are as follows: 1. Base frame; 2. Leveling knob; 3. Servo motor; 4. First rotating shaft; 5. Transmission belt; 6. Second transmission shaft; 7. Crushing base; 8. Top cover; 81. Matching liner; 82. Fixing bolt; 9. Feed shell; 10. Rotating shaft; 11. Crusher hammer; 12. First protruding plate; 13. Second protruding plate; 14. Fixing assembly; 15. Hinge seat; 16. Lead screw; 17. Pressure plate; 18. Conveying assembly; 19. Fixing seat; 20. Conveying shaft; 21. Conveying belt; 22. Conveying motor. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] This specific embodiment is a mining blasting and crushing device, such as... Figure 1 , Figure 2 and Figure 3 As shown, the mining blasting and crushing device includes a base frame 1. Each of the four corners of the bottom of the base frame 1 is equipped with a leveling knob 2. The base frame 1 and the leveling knob 2 are threaded together. The leveling knob 2 at the four corners of the base frame 1 adjusts the support height through the threads, so that the equipment can be kept horizontal in the rugged mining area and ensure that the axis of the crushing chamber is perpendicular to the feeding direction.
[0027] A crushing base 7 is installed at the top of the base frame 1 corresponding to the through-hole. A top cover 8 is hinged to the top of the crushing base 7. A feed inlet is inclined at the top cover 8. A feed shell 9 is provided at the feed inlet. A crushing chamber is provided inside the crushing base 7 and the top cover 8. A rotating shaft 10 is rotatably installed in the crushing chamber. Several crushing hammers 11 are provided. The several crushing hammers 11 are staggered at the outer edge of the rotating shaft 10. The crushing hammers 11 are fixed at the outer edge of the rotating shaft 10. A mating liner 81 that cooperates and is fixed to the crushing hammers 11 is installed in the crushing chamber. The mating liner 81 is fixed in the crushing chamber by fixing bolts 82. A second drive shaft 6 is rotatably installed on the outer side of the crushing base 7. One end of the rotating shaft 10 is fixed to one side of the second drive shaft 6. A servo motor 3 is installed at the top of the base frame 1. A first rotating shaft 4 is fixed to the front end of the shaft of the servo motor 3. The first rotating shaft 4 and the second drive shaft 6 are connected by a drive belt 5.
[0028] Through the interlocking arrangement of the breaker hammers 11 and the matching liners 81, the ore is crushed to the required particle size through impact and grinding. At the same time, the detachable design of the matching liners 81 allows for quick replacement of the matching liners 81 when maintenance is required, ensuring smooth operation of subsequent work.
[0029] The first protruding plate 12 is fixed to the end of the broken base 7 away from the hinge, and the second protruding plate 13 is fixed to the end of the top cover 8 away from the hinge. The first protruding plate 12 and the second protruding plate 13 have through openings, and the through openings are fitted with fixing components 14. The fixing components 14 include a hinge seat 15 that is hinged to the through opening of the first protruding plate 12. A screw rod 16 is fixed to the hinge seat 15, and a pressure plate 17 is threaded onto the screw rod 16. The bottom of the pressure plate 17 is pressed against the top of the second protruding plate 13.
[0030] The top cover 8 and the fixing components 14 on the first protruding plate 12 and the second protruding plate 13 are hinged and installed on the top of the crushing base 7. The fixing components 14 are fastened by the screw 16 and the pressure plate 17, which enables tool-free quick opening and closing of the top cover 8 and the crushing base 7. Disassembly and assembly can be completed by single-sided operation, which can improve maintenance efficiency. The hinged structure is adapted to the vibration conditions in the mining area, and the self-locking pressure ensures the reliability of the seal, effectively preventing material leakage in the crushing chamber and ensuring the stability of equipment operation.
[0031] like Figure 1 and Figure 4As shown, a discharge port is provided at the bottom of the crushing base 7. A conveying assembly 18 is provided below the discharge port at the bottom of the base frame 1. The conveying assembly 18 includes a fixed seat 19 fixed on the base frame 1. A conveying chamber is provided on the fixed seat 19. A conveying shaft 20 is rotatably arranged at equal intervals in the conveying chamber. A conveyor belt 21 is wound around the conveying shaft 20. A conveying motor 22 that drives the conveying shaft 20 to rotate is installed on the fixed seat 19. A PLC controller for control is installed on the base frame 1. The model of the PLC controller is [model number missing], and it can be used but is not limited to this model.
[0032] Through the set conveying component 18, the conveying motor 22 drives the conveying shaft 20 to rotate, and the conveyor belt 21 around it conveys the material to the next process in a directional manner. The conveying component 18 controls the speed of the conveyor belt 21 through intelligent linkage to achieve efficient directional conveying, avoid material accumulation, reduce the frequency of manual cleaning, and significantly improve the efficiency of continuous operation.
[0033] Working principle:
[0034] Before operation, rotate the leveling knob 2: The leveling knobs 2 at the four corners of the base frame 1 adjust the support height through the threads, so that the equipment can be kept horizontal in the rugged mining area and the crushing chamber axis can be perpendicular to the feeding direction.
[0035] During crushing, the ore enters the crushing chamber through the feed shell 9: the servo motor 3 drives the second transmission shaft 6 to rotate through the first rotating shaft 4 and the transmission belt 5, which drives the rotating shaft 10 to rotate at high speed. The staggered crushing hammers 11 and the matching liner 81 fixed on the inner wall of the top cover 8 form a dynamic crushing zone. The ore is crushed to the required particle size through impact and grinding. After crushing, the material falls into the conveying component 18 through the discharge port. The conveying motor 22 drives the conveying shaft 20 to rotate. The conveying belt 21 around the shaft directs the material to the next process. The conveying speed and the crushing shaft speed are adjusted in conjunction with the PLC controller.
[0036] During maintenance, the rotating clamping plate 17 disengages from the second protruding plate 13: the screw 16 supported by the hinge seat 15 rotates along the through-hole of the first protruding plate 12, causing the top cover 8 to flip open around the hinge shaft, fully exposing the crushing chamber, and enabling tool-free quick assembly and disassembly in conjunction with the liner 81 and the breaker hammer 11.
[0037] All technical features in this embodiment can be freely combined according to actual needs.
[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A mining blasting and crushing device, comprising a base frame (1), characterized in that, The base frame (1) has a through opening at the top. A crushing base (7) is installed at the top of the base frame (1) corresponding to the through opening. A top cover (8) is hinged at the top of the crushing base (7). A feed inlet is inclined at the top cover (8). A feed shell (9) is provided at the feed inlet. A crushing chamber is provided inside the crushing base (7) and the top cover (8). A rotating shaft (10) is rotatably provided inside the crushing chamber. A breaker hammer (11) is fixed at the outer edge of the rotating shaft (10). A mating liner (81) that is fixed to the breaker hammer (11) is installed in the crushing chamber. A discharge port is opened at the bottom of the crushing base (7). A conveying assembly (18) is set at the bottom of the base frame (1) below the discharge port.
2. The mining blasting and crushing device according to claim 1, characterized in that, The hydraulic breaker (11) is provided in a plurality of manners, and the plurality of hydraulic breaker (11) are staggered at the outer edge of the rotating shaft (10).
3. The mining blasting and crushing device according to claim 1, characterized in that, The break base (7) is fixed with a first protruding plate (12) at the end away from the hinge, and the top cover (8) is fixed with a second protruding plate (13) at the end away from the hinge. The first protruding plate (12) and the second protruding plate (13) are provided with through holes, and a fixing component (14) is installed in the through holes.
4. A mining blasting and crushing device according to claim 3, characterized in that, The fixing assembly (14) includes a hinge seat (15) hingedly mounted at the through-hole of the first protruding plate (12), a screw rod (16) fixed on the hinge seat (15), a pressure plate (17) threaded on the screw rod (16), and the bottom of the pressure plate (17) pressing against the top of the second protruding plate (13).
5. A mining blasting and crushing device according to claim 1, characterized in that, The conveying assembly (18) includes a fixed seat (19) fixed on the base frame (1), a conveying cavity is provided on the fixed seat (19), a conveying shaft (20) is rotatably arranged at equal intervals in the conveying cavity, a conveying belt (21) is wound and installed on the conveying shaft (20), and a conveying motor (22) that drives the conveying shaft (20) to rotate is installed on the fixed seat (19).
6. A mining blasting and crushing device according to claim 1, characterized in that, A second drive shaft (6) is rotatably mounted on the outer side of the crushing base (7). One end of the rotating shaft (10) is fixed on one side of the second drive shaft (6). A servo motor (3) is installed at the top of the base frame (1). A first rotating shaft (4) is fixed at the front end of the shaft of the servo motor (3). The first rotating shaft (4) and the second drive shaft (6) are connected by a transmission belt (5).
7. A mining blasting and crushing device according to claim 1, characterized in that, The base frame (1) is equipped with leveling knobs (2) at the four corners of its bottom, and the base frame (1) and the leveling knobs (2) are threaded together.