CN212189424U

CN212189424U - Double-shaft crusher

Info

Publication number: CN212189424U
Application number: CN201922455293.3U
Authority: CN
Inventors: 鲁宏松
Original assignee: Zhongshan Hongruite Environmental Protection Equipment Technology Co Ltd
Current assignee: Guangxi Nengtuo New Energy Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-12-22
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a double-shaft crusher, which comprises a crusher shell and a crusher base, wherein the crusher shell is fixedly connected to the crusher base; a feeding hole is formed above the crusher shell; a funnel type discharge port is arranged below the crusher shell, a conveyor belt mechanism is arranged below the discharge port, and the conveyor belt mechanism is connected to the crusher base; the utility model provides a real-time torque-variable double-shaft crusher, which has skillful structure arrangement; when the crusher works, the real-time variable-torque double-shaft crusher can control the torque output by the speed changer in real time through the controller, so that when small and light materials are crushed, the controller can instruct the speed changer to reduce the torque, the rotating speed of the main shaft is increased to quickly crush the materials, and the crushing time is shortened; when large and thick materials are crushed, the controller can indicate the speed changer to increase the torque, the rotating speed of the main shaft is reduced, the situation that the crusher is damaged due to the fact that the materials are clamped in the crusher due to too small torque is prevented, and the torque is controlled to be output in real time.

Description

Double-shaft crusher

Technical Field

The utility model relates to a breaker technical field specifically is a biax breaker.

Background

The stone crusher can be classified into a medical stone crusher and a mining stone crusher according to the major categories. The mining stone crusher is suitable for crushing massive mine hard rocks in principle, the typical granite discharge granularity is less than or equal to 40mm and accounts for 90%, the machine can process materials with the side length of 100-500 mm, the compression strength can reach 350 MPa at most, and the stone crusher has the advantages of large crushing ratio, cubic particles of the crushed materials and the like. The mining stone crushing machine is a crushing machine with the particle size of more than three millimeters accounting for more than 50 percent of the total discharge amount in the discharged materials; the mining crusher mainly carries out crushing operation on various stones, and is divided into a plurality of models according to different crushing principles and different product particle sizes. The crusher is widely applied to various departments such as mines, smelting, building materials, highways, railways, water conservancy, chemical industry and the like. Common crushing machines include jaw crushers, impact crushers, vertical impact crushers, hydraulic cone crushers, ring hammer crushers, roll crushers, combined crushers, cone crushers, two-stage crushers, gyratory crushers, mobile crushers, and the like;

at present, the structure of a crusher is rigid, particularly a shaft type crusher, the variable-torque crushing can not be realized according to the requirement, and the crushing efficiency is influenced.

Disclosure of Invention

An object of the utility model is to provide a biax breaker to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a double-shaft crusher comprises a crusher shell and a crusher base, wherein the crusher shell is fixedly connected to the crusher base; a feeding hole is formed above the crusher shell; a funnel type discharge port is arranged below the crusher shell, a conveyor belt mechanism is arranged below the discharge port, and the conveyor belt mechanism is connected to the crusher base; a pair of parallel main shafts are arranged in a shell of the crusher, two sides of each main shaft are respectively connected with a driving device and a bearing seat, each driving device is fixedly arranged on a base of the crusher by a fastening bolt, a hydraulic motor, a coupling and a transmission are arranged in each driving device, each bearing seat is fixedly arranged on the base of the crusher, and a torsion sensor is arranged in each bearing seat; crushing blades which are arranged at equal intervals are arranged on each main shaft, the crushing blades on the two main shafts are arranged in a staggered mode and are partially overlapped, and certain gaps exist among the crushing blades and between the crushing blades and an inner side frame of a crusher shell.

When the crusher works, the feeding hole is opened, materials to be crushed are placed into the crusher through the feeding hole, the materials are stacked and the crushing blade is buried, the crusher is started, the hydraulic motor in the driving device starts to work, the torque is output by the hydraulic motor and is transmitted into the transmission through the coupler, the transmission adjusts the output torque according to the real-time torque transmitted by the torque sensor to adjust the rotating speed of the main shaft, and the effect of adjusting the torque in real time is achieved. Because the clearance between the broken blade and between the inboard frame of broken blade and breaker shell is very little, forms a pair of shearing sword between the broken blade, and the broken blade can drive the material here and take place to cut, and crushing ability is strong, has simultaneously and tears and the shearing action, has prevented the winding of material, moves reliable and stable. The crushed materials fall to the lower end of the double-shaft crusher through a gap, are concentrated through a funnel type discharge port and are finally taken away by the conveyor belt mechanism.

As a further aspect of the present invention: the driving device is internally provided with a hydraulic motor, a coupler and a speed changer, wherein the hydraulic motor is responsible for providing power and applying work to the outside to output torque, the output torque is transmitted to the speed changer through the coupler, the speed changer drives the main shaft to rotate, meanwhile, a torque sensor on the main shaft transmits main shaft torque data to the controller in real time, the controller adjusts the rotating speed of the speed changer in real time according to the size of the main shaft torque, and finally the aim of reasonably adjusting the rotating speed of the main shaft is achieved.

As a further aspect of the present invention: the main shaft is a regular polygonal shaft, regular polygonal holes matched with the crushing blades are formed in the crushing blades, the main shaft is a regular hexagonal hole, the regular hexagonal holes matched with the crushing blades are formed in the corresponding crushing blades, the crushing blades are sleeved on the main shaft, a spacer sleeve is arranged between the coaxially adjacent crushing blades, the spacer sleeve has the function of ensuring that the positions of the coaxially crushing blades are relatively fixed, so that the crushing blades rotating in a staggered mode cannot be meshed with each other, and the end portion of the main shaft is locked and positioned through a bearing seat.

As a further aspect of the present invention: broken blade can be according to actual broken material type and change broken blade type, and broken blade adopts the connected mode of no key in this embodiment, is suitable for frequent positive and negative rotation under the big moment of torsion, and when broken blade wearing and tearing were out of use moreover, the scene is changed broken blade and need not change the main shaft, easy dismounting saves cost of maintenance and maintenance time.

As a further aspect of the present invention: the conveying belt mechanism is composed of a conveying belt motor, a driving disc, a chain, a driven disc and a material conveying belt. Conveyer motor fixed mounting is on the breaker base, and when the breaker began work, controller control conveyer motor began work, and it is rotatory that the conveyer motor drives the initiative dish, and it is rotatory that the initiative dish passes through the chain and drives the driven plate, and the driven plate then drives material conveyer belt swivel work, transports the material after the breakage out, has realized automatic transportation.

As a further aspect of the present invention: the controller can realize global automatic control on the whole crusher and can also adopt manual control on local parts, so that different control methods can be adopted for the crusher under different working environments according to local conditions.

Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:

1. the utility model provides a real-time variable moment formula biax breaker, the utility model discloses the structure sets up ingeniously. When the crusher works, the real-time variable-torque double-shaft crusher can control the torque output by the speed changer in real time through the controller, so that when small and light materials are crushed, the controller can instruct the speed changer to reduce the torque, the rotating speed of the main shaft is increased to quickly crush the materials, and the crushing time is shortened; when large and thick materials are crushed, the controller can indicate the speed changer to increase the torque, the rotating speed of the main shaft is reduced, the situation that the materials are clamped in the crusher to damage the crusher due to the fact that the torque is too small is prevented, and the design goal of controlling the output torque in real time is achieved.

2. The utility model discloses further design the connected mode of main shaft and broken blade adopted the connected mode of no key, be suitable for frequent just reversal under the big moment of torsion, when broken blade wearing and tearing can not use moreover, on-the-spot change the broken blade and need not change the main shaft, easy dismounting saves cost of maintenance and maintenance time, broken blade can be according to actual broken material type and change broken blade type moreover, has realized retrenching the design target of saving.

3. The utility model discloses further design the controller can realize global automated control to whole breaker, also can adopt manual control to the part, realized people oriented design target.

Drawings

Fig. 1 is a schematic structural view of a twin-shaft crusher.

Fig. 2 is a plan sectional view of a twin-shaft crusher.

Fig. 3 is a side sectional view of a twin-shaft crusher.

In the figure: 1. a crusher housing; 2. a crusher base; 3. a funnel type discharge port; 4. a material conveyor belt; 5. driven plate 6, chain; 7. a conveyor belt motor; 8. a driving disk; 9. a controller; 10. a feed inlet; 11. a bearing seat; 12. fastening a bolt; 13. a drive device; 14. a hydraulic motor; 15. a coupling; 16. a transmission; 17. a main shaft; 18. crushing the blade; 19. a spacer sleeve; 20. a torque sensor.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, a twin-shaft crusher comprises a crusher housing 1 and a crusher base 2, wherein the crusher housing 1 is fixedly connected to the crusher base 2; a feeding hole 10 is arranged above the crusher shell 1; a funnel type discharge port 3 is arranged below the crusher shell 1, a conveyor belt mechanism is arranged below the discharge port, and the conveyor belt mechanism is connected to the crusher base 2; a pair of parallel main shafts 17 are arranged in the crusher shell 1, two sides of each main shaft 17 are respectively connected with a driving device 13 and a bearing seat 11, each driving device 13 is fixedly arranged on the crusher base 2 through a fastening bolt 12, a hydraulic motor 14, a coupler 15 and a transmission 16 are arranged in each driving device 13, each bearing seat 11 is fixedly arranged on the crusher base 2, and a torsion sensor 20 is arranged in each bearing seat 11; crushing blades 18 which are arranged at equal intervals are arranged on each main shaft 17, the crushing blades 18 on the two main shafts 17 are staggered and partially overlapped, and certain gaps exist among the crushing blades 18 and between the crushing blades 18 and an inner side frame of the crusher shell 1; the driving device 13 is internally provided with a hydraulic motor 14, a coupler 15 and a speed changer 16, wherein the hydraulic motor 14 is responsible for providing power and outputting torque by applying work externally, the output torque is transmitted to the speed changer 16 through the coupler 15, the speed changer 16 drives the main shaft 17 to rotate, meanwhile, a torque sensor 20 on the main shaft 17 transmits torque data of the main shaft 17 to the controller 9 in real time, the controller 9 adjusts the rotating speed of the speed changer 16 in real time according to the magnitude of the torque of the main shaft 17, and finally, the aim of reasonably adjusting the rotating speed of the main shaft 17 is achieved; the main shaft 17 is a regular polygonal shaft, regular polygonal holes matched with the main shaft 17 are formed in the crushing blades 18 (in the embodiment, the main shaft 17 adopts a regular hexagonal hole, and the corresponding crushing blades 18 are provided with the regular hexagonal holes matched with the main shaft), the crushing blades 18 are sleeved on the main shaft 17, spacer bushes 19 are arranged between the coaxially adjacent crushing blades 18, the spacer bushes 19 are used for ensuring that the positions of the coaxially upper crushing blades 18 are relatively fixed, so that the crushing blades 18 rotating in a staggered mode cannot be mutually engaged, and the end parts of the main shaft 17 are locked and positioned through the bearing seat 11; the crushing blade 18 can be replaced by the type of the crushing blade 18 according to the actual type of the crushed material, the crushing blade 18 in the embodiment adopts a keyless connection mode, the crushing blade is suitable for frequent forward and reverse rotation under high torque, and when the crushing blade 18 is worn and cannot be used, the crushing blade 18 is replaced on site without replacing the main shaft 17, so that the assembly and disassembly are convenient, and the maintenance cost and the maintenance time are saved; the conveying belt mechanism is composed of a conveying belt motor 7, a driving disc 8, a chain 6, a driven disc 5 and a material conveying belt 4. Conveyer belt motor 7 fixed mounting is on breaker base 2, and when the breaker began work, controller 9 control conveyer belt motor 7 began work, and conveyer belt motor 7 drives the initiative dish 8 rotatory, and the initiative dish 8 drives the driven plate 5 rotation through chain 6, and driven plate 5 then drives 4 swivel work of material conveyer belt, transports the material after the breakage out, has realized automatic transportation. The controller 9 can realize global automatic control on the whole crusher and can also adopt manual control on local parts, so that different control methods can be adopted for the crusher under different working environments according to local conditions.

The utility model discloses a theory of operation is: when the crusher works, the feeding hole 10 is opened, materials to be crushed are placed into the crusher through the feeding hole 10, the materials are stacked and the crushing blade 18 is buried, the crusher is started, the hydraulic motor 14 in the driving device 13 starts to work, the hydraulic motor 14 outputs torque, the torque is transmitted into the transmission 16 through the coupler 15, the transmission 16 adjusts the output torque according to the real-time torque transmitted by the torque sensor 20 so as to adjust the rotating speed of the main shaft 17, and the effect of adjusting the torque in real time is achieved. Because the clearance between the crushing blade 18 and the inside frame of crusher shell 1 is very little, form a pair of shearing sword between the crushing blade 18, crushing blade 18 can drive the material here and take place to cut, and crushing ability is strong, has simultaneously and tears and shearing action, has prevented the winding of material, and the operation is reliable and stable. The crushed materials fall to the lower end of the double-shaft crusher through a gap, are concentrated through the funnel type discharge port 3 and are finally taken away by the conveyor belt mechanism.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A double-shaft crusher comprises a crusher shell and a crusher base, and is characterized in that the crusher shell is fixedly connected to the crusher base; a feeding hole is formed above the crusher shell; a funnel type discharge port is arranged below the crusher shell, a conveyor belt mechanism is arranged below the discharge port, and the conveyor belt mechanism is connected to the crusher base; a pair of parallel main shafts are arranged in a shell of the crusher, two sides of each main shaft are respectively connected with a driving device and a bearing seat, each driving device is fixedly arranged on a base of the crusher by a fastening bolt, a hydraulic motor, a coupling and a transmission are arranged in each driving device, each bearing seat is fixedly arranged on the base of the crusher, and a torsion sensor is arranged in each bearing seat; crushing blades which are arranged at equal intervals are arranged on each main shaft, the crushing blades on the two main shafts are arranged in a staggered mode and are partially overlapped, and gaps exist among the crushing blades and between the crushing blades and an inner side frame of a crusher shell.

2. The double-shaft crusher as claimed in claim 1, wherein the driving device is provided with a hydraulic motor, a coupling and a transmission, wherein the output torque of the hydraulic motor is transmitted to the transmission through the coupling, and the transmission drives the main shaft to rotate.

3. The twin-shaft crusher as claimed in claim 2, wherein the main shaft is a regular polygonal shaft, the crushing blades are provided with regular polygonal holes matched with the regular polygonal holes, the crushing blades are sleeved on the main shaft, a spacer sleeve is arranged between the coaxially adjacent crushing blades, and the end part of the main shaft is locked and positioned through a bearing seat.

4. A twin shaft crusher as defined in any one of claims 1 to 3 in which the crushing blades are secured to the main shaft by a keyless connection.

5. A twin shaft crusher as defined in claim 4 in which said conveyor means comprises a conveyor motor, a drive plate, a chain, a driven plate and a material conveyor; the conveyer motor is fixedly arranged on the crusher base.