Coal dressing crushing device

Abstract

The utility model discloses a coal dressing crushing device, which belongs to the technical field of coal dressing crushing devices, and adopts the technical scheme that the coal dressing crushing device comprises a crushing structure and a conveying structure, the bottom of the crushing structure is bolted with the top of the conveying structure, a fixing frame is arranged on the front side of the conveying structure, and a dust falling mechanism is arranged on the front side of the crushing structure. And sliding blocks are bolted to the two sides of the dust falling mechanism correspondingly, a pump body is bolted to the front side of the conveying structure, a screening mechanism is arranged at the top of the conveying structure, and a vibration mechanism is bolted to the bottom of the screening mechanism. The problems that in the prior art, the coal dressing efficiency and quality are affected due to the fact that the large materials enter the follow-up link, transportation blockage is caused, and machining equipment is damaged are solved due to the fact that an effective screening mechanism for the large materials which are not completely crushed is lacked.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal preparation crushing device technical field, especially in kind of coal preparation crushing device. BACKGROUND

[0002] Coal preparation crushing device is used for crushing raw coal to the required particle size, usually by crushing machine, screening equipment and conveying equipment, its core function is to break large coal into smaller particles suitable for washing and grading by mechanical force, so as to subsequent separation and processing, the device can effectively improve the utilization rate and washing efficiency of coal, and is widely used in coal washing plant and coal preparation process.

[0003] In the process of coal production and processing or during transportation, material anti-breaking device is needed to ensure the integrity of lump coal during transportation. The conventional material anti-breaking device mainly includes inner and outer spiral chute and telescopic chute, which are mainly used in coal yard and are not suitable for anti-breaking between belt conveyors.

[0004] The existing patent (publication number: CN217228937U) discloses a kind of anti-breaking coal preparation device, including vertical cylinder, inclined cylinder, the lower end of vertical cylinder is connected with the upper end of inclined cylinder, vertical cylinder and inclined cylinder are all installed on rack, the side wall of vertical cylinder is provided with feed inlet, the feed inlet is provided with corresponding upper conveyor belt, the lower outlet of inclined cylinder is provided with corresponding lower conveyor belt;Inclined cylinder is provided with connecting shaft near the lower end of inclined cylinder, the connecting shaft is provided with flap, the structure of this application is reasonable, and the cooperation is ingenious, the setting of inclined cylinder can buffer when transferring materials between different conveyors, through the cooperation of inductive probe, flap and control module, the quantitative transfer of materials is realized, and overloading of conveyor is avoided.

[0005] For the above problems, the existing patent provides a solution, but the existing coal preparation crushing device is not convenient for effective control of coal dust flying in use, which leads to poor working environment and harms personnel health, and lacks effective screening mechanism for not completely broken large materials, so that large materials enter subsequent links, causing transportation blockage, processing equipment damage and other problems, affecting coal preparation efficiency and quality.

[0006] Therefore, a kind of coal preparation crushing device is provided. UTILITY MODEL CONTENT

[0007] The utility model aims at providing a kind of coal preparation crushing device, which can solve the problem that the existing coal preparation crushing device is not convenient for effective control of coal dust flying in use, which leads to poor working environment and harms personnel health, and lacks effective screening mechanism for not completely broken large materials, so that large materials enter subsequent links, causing transportation blockage, processing equipment damage and other problems, affecting coal preparation efficiency and quality.

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a coal crushing device, including crushing structure and transmission structure, the bottom of crushing structure is connected with the top of transmission structure, the front side of transmission structure is provided with fixed frame, the front side of crushing structure is provided with dust fall mechanism, both sides of dust fall mechanism are connected with sliding block, the front side of transmission structure is connected with pump body, the top of transmission structure is provided with screening mechanism, the bottom of screening mechanism is connected with vibration mechanism,

[0009] The dust fall mechanism includes an atomizing nozzle, a connecting assembly and a communication frame, the front side of the atomizing nozzle is fixedly communicated with the rear side of the connecting assembly, the front side of the connecting assembly is fixedly communicated with the rear side of the communication frame, and one side of the sliding block close to the communication frame is connected with the communication frame.

[0010] Preferably, the bottom of the screening mechanism is fixedly connected with a spring frame, and the bottom of the spring frame is fixedly connected with the top of the transmission structure.

[0011] Preferably, the bottom of the screening mechanism is connected with a first rotating assembly, and the inner wall of the first rotating assembly is rotatably connected with an extension rod.

[0012] Preferably, the surface of the extension rod is rotatably connected with a second rotating assembly, and the bottom of the second rotating assembly is connected with the top of the transmission structure.

[0013] Preferably, the screening mechanism comprises an extension plate, a sieve plate and a connecting frame, the right side of the extension plate is connected with the left side of the connecting frame, the surface of the sieve plate is fixedly connected with the inner wall of the connecting frame, the bottom of the connecting frame is connected with the top of the spring frame, the bottom of the connecting frame is connected with the top of the vibration mechanism, and the bottom of the connecting frame is connected with the top of the first rotating assembly.

[0014] Preferably, the top of the connecting frame is connected with a baffle, the front side and the rear side of the baffle are connected with side plates, and the bottom of the side plate is connected with the top of the connecting frame.

[0015] Preferably, the front side of the sliding block is connected with a threaded rod, the surface of the threaded rod is movably connected with the inner wall of the fixed frame, the surface of the threaded rod is threadedly connected with a limiting block, and the rear side of the limiting block is in close contact with the front side of the fixed frame.

[0016] Preferably, the top of the pump body is fixedly communicated with a connecting pipe, the surface of the connecting pipe is provided with a communication joint, the front side of the communication joint is fixedly communicated with a transmission assembly, and one side of the transmission assembly close to the communication frame is fixedly communicated with the communication frame.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. The dust falling mechanism can efficiently convert the dust falling liquid delivered by the pump body into fine mist, which is uniformly sprayed in the crushing area, the sliding block is connected with the communication frame, so that the dust falling mechanism can be flexibly adjusted in position, better covering the crushing operation surface, effectively inhibiting the flying of coal dust generated in the crushing process, and reducing the pollution of dust to the working environment;

[0019] 2. The screening mechanism is specially used for screening the large block coal which is not completely crushed, effectively avoiding the large block materials from entering the subsequent transportation or processing link, preventing problems such as transportation blockage, processing equipment damage and the like caused by large block materials, and guaranteeing the smooth progress of the subsequent process. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure diagram of the coal crushing device of the utility model;

[0021] Figure 2 It is a structure diagram of the fixed frame of the utility model;

[0022] Figure 3 It is a structure diagram of the transmission assembly of the utility model;

[0023] Figure 4 It is a structure diagram of the dust falling mechanism of the utility model;

[0024] Figure 5 It is a structure diagram of the side plate of the utility model;

[0025] Figure 6 It is a structure diagram of the screening mechanism of the utility model.

[0026] In the drawing, 1, crushing structure; 2, dust falling mechanism; 201, communication frame; 202, connecting assembly; 203, atomizing nozzle; 3, screening mechanism; 301, connecting frame; 302, screen plate; 303, extension plate; 4, transmission structure; 5, fixed frame; 6, sliding block; 7, pump body; 8, vibrating mechanism; 9, spring frame; 10, first rotating assembly; 11, telescopic rod; 12, second rotating assembly; 13, baffle; 14, side plate; 15, threaded rod; 16, limiting block; 17, connecting pipe; 18, communication connector; 19, transmission assembly. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer toFigures 1-6 The utility model provides technical schemes:

[0029] A coal preparation crushing device, it includes crushing structure 1 and transmission structure 4, the bottom of crushing structure 1 is bolted with the top of transmission structure 4, the front side of transmission structure 4 is provided with fixed frame 5, the front side of crushing structure 1 is provided with dust fall mechanism 2, both sides of dust fall mechanism 2 are bolted with sliding block 6, the front side of transmission structure 4 is bolted with pump body 7, the top of transmission structure 4 is provided with screening mechanism 3, the bottom of screening mechanism 3 is bolted with vibrating mechanism 8;

[0030] Dust fall mechanism 2 includes atomizing nozzle 203, connecting assembly 202 and communication frame 201, the front side of atomizing nozzle 203 is fixedly communicated with the rear side of connecting assembly 202, the front side of connecting assembly 202 is fixedly communicated with the rear side of communication frame 201, the side of sliding block 6 close to communication frame 201 is bolted with communication frame 201.

[0031] In the embodiment: by setting dust fall mechanism 2, atomizing nozzle 203 in dust fall mechanism 2 is fixedly communicated with communication frame 201 through connecting assembly 202, can efficiently convert dust fall liquid delivered by pump body 7 into fine mist, is evenly sprayed in crushing area, sliding block 6 is bolted with communication frame 201, so that dust fall mechanism 2 can be flexibly adjusted position, better cover crushing operation surface, effectively inhibit the coal dust flying in crushing process, reduce the pollution of dust to working environment, reduce the risk of pneumoconiosis and other occupational diseases of operating personnel, guarantee the safety and health of production environment, by setting screening mechanism 3, the bottom of crushing structure 1 is bolted with the top of transmission structure 4, realizes that coal is directly and efficiently transported after crushing, improves production continuity, screening mechanism 3 is specially screened for not completely crushed large coal, effectively avoid these large materials to enter subsequent transportation or processing links, prevent the problems such as transportation blockage, processing equipment damage caused by large materials, guarantee the smooth progress of subsequent process, vibrating mechanism 8 bolted at the bottom of screening mechanism 3 can promote coal to be better dispersed in screening process, avoid material accumulation, improve screening efficiency and accuracy of large materials, ensure that the whole coal preparation crushing process is efficiently operated.

[0032] Specifically, as shown in Figure 6 The bottom of screening mechanism 3 is fixedly connected with spring frame 9, and the bottom of spring frame 9 is fixedly connected with the top of transmission structure 4.

[0033] Specifically, as shown in Figure 6 The bottom of screening mechanism 3 is bolted with first rotating assembly 10, and the inner wall of first rotating assembly 10 is rotatably connected with telescopic rod 11.

[0034] Specifically, as shown in Figure 6As shown, the surface of the telescopic rod 11 is rotationally connected with the second rotation assembly 12, and the bottom of the second rotation assembly 12 is bolted with the top of the transmission structure 4.

[0035] In this embodiment: the spring frame 9 fixedly connected at the bottom of the screening mechanism 3 provides elastic support for the screening mechanism 3, and when the vibration mechanism 8 is working, the vibration effect of the screening mechanism 3 can be enhanced, the material can jump more fully on the screen plate 302, the screening efficiency is further improved, the rotation connection of the first rotation assembly 10 and the telescopic rod 11 and the rotation connection of the telescopic rod 11 and the second rotation assembly 12 can enhance the stability when the connecting frame 301 is vibrating, and prevent the connecting frame 301 from shaking too much.

[0036] Specifically, as shown in the figure, Figure 6 The screening mechanism 3 includes an extension plate 303, a screen plate 302 and a connecting frame 301, the right side of the extension plate 303 is bolted with the left side of the connecting frame 301, the surface of the screen plate 302 is fixedly connected with the inner wall of the connecting frame 301, the bottom of the connecting frame 301 is bolted with the top of the spring frame 9, the bottom of the connecting frame 301 is bolted with the top of the vibration mechanism 8, and the bottom of the connecting frame 301 is bolted with the top of the first rotation assembly 10.

[0037] Specifically, as shown in the figure, Figure 5 The top of the connecting frame 301 is bolted with a baffle 13, the front side and the rear side of the baffle 13 are bolted with side plates 14, and the bottom of the side plates 14 is bolted with the top of the connecting frame 301.

[0038] In this embodiment: the extension plate 303 in the screening mechanism 3 can transmit large pieces of coal to the outside, improving the overall screening efficiency, the connecting frame 301 stably connects the screen plate 302, the spring frame 9, the vibration mechanism 8 and the first rotation assembly 10, ensuring the stability of the collaborative work of the components of the screening mechanism 3, the baffle 13 and the side plates 14 bolted on the top of the connecting frame 301 can effectively block the splashing of coal during the screening process, prevent the material from scattering, maintain the cleanliness of the working area, and also avoid damage to the surrounding equipment by the material.

[0039] Specifically, as shown in the figure, Figure 4 The front side of the sliding block 6 is bolted with a threaded rod 15, the surface of the threaded rod 15 is movably connected with the inner wall of the fixed frame 5, the surface of the threaded rod 15 is threadedly connected with a limiting block 16, and the rear side of the limiting block 16 is in close contact with the front side of the fixed frame 5.

[0040] Specifically, as shown in the figure, Figure 3 The top of the pump body 7 is fixedly connected with a connecting pipe 17, the surface of the connecting pipe 17 is provided with a communication joint 18, the front side of the communication joint 18 is fixedly connected with a transmission assembly 19, and the side close to the communication frame 201 of the transmission assembly 19 is fixedly connected with the communication frame 201.

[0041] In the embodiment, the threaded rod 15 fixed to the front side of the sliding block 6 is movably connected to the inner wall of the fixed frame 5, the position of the dust-settling mechanism 2 can be flexibly adjusted by rotating the threaded rod 15, the limiting block 16 connected by screwing can firmly fix the dust-settling mechanism 2 after the position is adjusted, so that the dust-settling mechanism 2 is stable and does not displace during work, thereby more accurately performing the dust-settling operation on the crushing area, the top of the pump body 7 is fixedly communicated with the communication frame 201 through the connecting pipe 17, the communication connector 18 and the transmission assembly 19, forming a stable liquid transmission channel, ensuring that the dust-settling liquid can be continuously and stably conveyed to the atomizing nozzle 203, and providing reliable liquid supply for efficient dust-settling work.

[0042] Working principle: during the use of the crushing structure 1 and the transmission structure 4, the atomizing nozzle 203 in the dust-settling mechanism 2 is fixedly communicated with the communication frame 201 through the connecting assembly 202, can efficiently convert the dust-settling liquid conveyed by the pump body 7 into fine mist, and uniformly spray the fine mist on the crushing area, the sliding block 6 is bolted to the communication frame 201, so that the dust-settling mechanism 2 can flexibly adjust the position and better cover the crushing operation surface, effectively inhibit the coal dust flying in the crushing process, reduce the pollution of dust to the working environment, reduce the risk of pneumoconiosis and other occupational diseases of the operator, and ensure the safety and health of the production environment, the crushing structure 1 at the bottom is bolted to the transmission structure 4 at the top, realizing direct and efficient conveying of the crushed coal, improving the production continuity, the screening mechanism 3 is specially used for screening the large coal which is not completely crushed, effectively avoiding the large materials from entering the subsequent transportation or processing links, preventing problems such as transportation blockage, processing equipment damage and the like caused by large materials, and ensuring the smooth progress of the subsequent process, the vibration mechanism 8 bolted to the bottom of the screening mechanism 3 can promote the better dispersion of the coal during the screening process, avoid material accumulation, improve the screening efficiency and accuracy of the large materials, and ensure the efficient operation of the entire coal crushing process.

[0043] The above is only a preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A coal preparation crushing device comprising a crushing structure (1) and a transport structure (4), characterized in that: The bottom of the crushing structure (1) is bolted with the top of the conveying structure (4), the front side of the conveying structure (4) is provided with a fixing frame (5), the front side of the crushing structure (1) is provided with a dust falling mechanism (2), both sides of the dust falling mechanism (2) are bolted with sliding blocks (6), the front side of the conveying structure (4) is bolted with a pump body (7), the top of the conveying structure (4) is provided with a screening mechanism (3), and the bottom of the screening mechanism (3) is bolted with a vibrating mechanism (8). The dust falling mechanism (2) comprises atomizing nozzles (203), connecting assemblies (202) and communication racks (201), the front side of the atomizing nozzle (203) is fixedly communicated with the rear side of the connecting assembly (202), the front side of the connecting assembly (202) is fixedly communicated with the rear side of the communication rack (201), and the side close to the communication rack (201) of the sliding block (6) is bolted with the communication rack (201).

2. A coal preparation crushing device as claimed in claim 1, wherein: The bottom of the screening mechanism (3) is fixedly connected with a spring rack (9), and the bottom of the spring rack (9) is fixedly connected with the top of the conveying structure (4).

3. A coal preparation crushing device as claimed in claim 2, wherein: The bottom of the screening mechanism (3) is bolted with a first rotating assembly (10), and the inner wall of the first rotating assembly (10) is rotatably connected with an extension rod (11).

4. A coal preparation crushing device as claimed in claim 3, characterised in that: The surface of the extension rod (11) is rotatably connected with a second rotating assembly (12), and the bottom of the second rotating assembly (12) is bolted with the top of the conveying structure (4).

5. A coal preparation crushing device as claimed in claim 3, characterised in that: The screening mechanism (3) comprises an extension plate (303), a sieve plate (302) and a connecting rack (301), the right side of the extension plate (303) is bolted with the left side of the connecting rack (301), the surface of the sieve plate (302) is fixedly connected with the inner wall of the connecting rack (301), the bottom of the connecting rack (301) is bolted with the top of the spring rack (9), the bottom of the connecting rack (301) is bolted with the top of the vibrating mechanism (8), and the bottom of the connecting rack (301) is bolted with the top of the first rotating assembly (10).

6. A coal preparation crushing device as claimed in claim 5 wherein: The top of the connecting rack (301) is bolted with a baffle (13), the front side and the rear side of the baffle (13) are bolted with side plates (14), and the bottom of the side plate (14) is bolted with the top of the connecting rack (301).

7. A coal preparation crushing device as claimed in claim 1, characterised in that: The front side of the sliding block (6) is bolted with a threaded rod (15), the surface of the threaded rod (15) is movably connected with the inner wall of the fixing frame (5), the surface of the threaded rod (15) is screwedly connected with a limiting block (16), and the rear side of the limiting block (16) is in close contact with the front side of the fixing frame (5).

8. A coal preparation crushing device as claimed in claim 1, characterised in that: The top of the pump body (7) is fixedly communicated with a connecting pipe (17), the surface of the connecting pipe (17) is provided with a communication joint (18), the front side of the communication joint (18) is fixedly communicated with a conveying assembly (19), and the side close to the communication rack (201) of the conveying assembly (19) is fixedly communicated with the communication rack (201).

Images