CN111346695A

CN111346695A - High-efficiency energy-saving crusher

Info

Publication number: CN111346695A
Application number: CN202010274094.7A
Authority: CN
Inventors: 谷孟维; 汤利华; 陈净
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-06-30

Abstract

The invention discloses a high-efficiency energy-saving crusher, which comprises a rack, wherein a feed inlet is formed in the top of the rack, at least one group of driving crushing roller and driven crushing roller which are rotatably connected with the rack are installed in the rack corresponding to the feed inlet, the axes of the driving crushing roller and the driven crushing roller are positioned on the same plane during installation, a crushing gap is formed between the driving crushing roller and the driven crushing roller, the driving crushing roller and the driven crushing roller are hollow cylindrical bodies, transmission shafts are coaxially installed on the driving crushing roller and the driven crushing roller, vibration assemblies are installed in the driving crushing roller and the driven crushing roller, driving assemblies are installed on the driving transmission shaft and the driven transmission shaft, and a clutch assembly is also installed between the driven crushing roller and the driving assemblies. Through the mode, the working efficiency of the crusher can be improved, and the working energy consumption of the crusher can be greatly reduced.

Description

High-efficiency energy-saving crusher

Technical Field

The invention relates to the technical field of crushing equipment, in particular to a high-efficiency energy-saving crusher.

Background

The crusher is the main equipment for mining, and is mainly used for crushing stones with different sizes and crushing ores into required sizes. The roller crusher is one of crushers, and the roller crusher generally adopts two crushing rollers with the same rotating speed and opposite rotating directions to synchronously swallow materials and then extrude the stone materials to realize crushing effect. The material swallowing action is embodied in that the roller surfaces of the two crushing rollers clamp the stone together when rotating, the clamping force can form subsequent extrusion force, the stone with large granularity is slowly sent into the crushing gap between the two crushing rollers through the friction force obtained by the clamping force, the distance between two points clamping the stone is smaller and smaller, the extrusion force is more and more obvious, finally the stone is crushed, the stone with small granularity which accords with the crushing gap falls down, the noncompliant stone repeats the material swallowing extrusion process until the granularity accords with the granularity and falls down.

At present, the existing roller crusher does not have enough strength to crush large ores in the actual working process, the throughput is small, the size of the crushed stone is uneven, secondary processing is needed, the working efficiency is low, in addition, a power source for crushing the roller crusher is provided by a traditional motor, the energy consumption of the roller crusher is large, the use cost is high, and the requirements of energy conservation and emission reduction are not met.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides an efficient energy-saving crusher to solve the problems of low working efficiency and high energy consumption of the prior roller crusher mentioned in the background art.

The technical scheme adopted by the invention is as follows:

the utility model provides an energy-efficient breaker, includes the frame, the feed inlet has been seted up at the top of frame, correspond in the frame feed inlet department install at least a set of with the frame rotates initiative crushing roller and the driven crushing roller of connecting, during the installation initiative crushing roller with the axis of driven crushing roller all is located the coplanar, initiative crushing roller with be equipped with broken clearance between the driven crushing roller, initiative crushing roller with driven crushing roller is the hollow column body, just is in coaxial arrangement has the transmission shaft on the initiative crushing roller with driven crushing roller the initiative crushing roller with all install vibration component in the driven crushing roller, the initiative transmission shaft with all install drive assembly on the driven transmission shaft, driven crushing roller with still install clutch assembly between the drive assembly.

As a further improvement of the scheme, the vibration component is a plurality of eccentric wheels which are arranged on the transmission shaft at equal intervals.

As a further improvement of the scheme, the driving assembly comprises a hydraulic motor arranged at one end of the transmission shaft and a hydraulic station connected with the hydraulic motor.

As a further improvement of this solution, the clutch assembly is a friction clutch.

As a further improvement of the scheme: a plurality of bearings with seats for supporting the transmission shaft to rotate are arranged outside the front side wall and the rear side wall of the rack, a supporting plate is detachably connected to the bottom of each bearing with seat, and the supporting plate is fixedly connected with the rack.

As a further improvement of the present scheme, the left end of the supporting plate is provided with a protrusion, a movable groove for sliding a transmission shaft mounted on the driven crushing roller is formed in the front side wall and the rear side wall of the frame, a spring is fixedly connected to the left side wall of the seated bearing at the position corresponding to the movable groove, an adjusting plate is fixedly connected to the other end of the spring, an adjusting knob is connected to the protrusion on the supporting plate through a thread, one end of the adjusting knob is abutted to the adjusting plate, a sliding groove opening is formed in the bottom of the adjusting plate, and a sliding block matched with the sliding groove opening is fixedly connected to the left end of the top of the supporting plate.

As a further improvement of the scheme, a damping rubber pad is arranged on the transmission shaft.

As a further improvement of the scheme, the top of the frame is provided with a feed hopper.

As a further improvement of the scheme, a conveying assembly is arranged below the machine frame and comprises a conveying belt, a conveying roller and a conveying support, and the conveying support is fixedly connected with the machine frame.

As a further improvement of the scheme, a plurality of spray heads are arranged in the machine frame.

Compared with the prior art, the invention has the beneficial effects that:

1. set initiative crushing roller and driven crushing roller to cavity, set up the vibration subassembly in its cavity within range, can make initiative crushing roller or driven crushing roller can produce the exciting force when the pivoted, improve crushing efficiency, reduce the stone by a wide margin and carry out secondary crushing's number of times.

2. The driving crushing roller and the driven crushing roller both use a hydraulic motor as a power source, and the hydraulic motor has low energy consumption and large output torque force, so that the purposes of energy conservation and emission reduction can be achieved.

Drawings

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic structural diagram of an energy-efficient crusher of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a connecting structure diagram of the inside of the housing of the energy-efficient crusher of the present invention;

FIG. 4 is a cross-sectional structural view of the active crushing roller of the energy-efficient crusher of the present invention;

fig. 5 is a schematic structural diagram of a conveying assembly in the energy-efficient crusher of the present invention.

In the figure: 1. a frame; 2. a feed inlet; 3. an active crushing roller; 4. a driven crushing roller; 5. a drive shaft; 6. an eccentric wheel; 7. a hydraulic motor; 8. a hydraulic conduit; 9. a hydraulic station; 10. a pedestal bearing; 11. a support plate; 12. a movable groove; 13. a spring; 14. an adjustment plate; 15. adjusting a knob; 16. a slider; 17. a feed hopper; 18. a conveyor belt; 19. a conveying roller; 20. and (5) conveying the bracket.

Detailed Description

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings and technical solutions required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

The invention is further described below with reference to the accompanying drawings.

As shown in fig. 1-5, an energy-efficient crusher comprises a frame 1, a feed inlet 2 is provided at the top of the frame 1, a driving crushing roller 3 and a driven crushing roller 4 which are rotatably connected with the frame 1 are symmetrically provided below the feed inlet 2, in this embodiment, the driving crushing roller 3 and the driven crushing roller 4 are provided in the frame 1 in two sets, each set of crushing roller is transversely installed, a coarse crushing gap is provided between the driving crushing roller 3 and the driven crushing roller 4 which are provided above the frame 1, a fine crushing gap is provided between the driving crushing roller 3 and the driven crushing roller 4 which are provided below the frame 1, the driving crushing roller 3 and the driven crushing roller 4 are hollow cylindrical bodies, a transmission shaft 5 is coaxially installed on the driving crushing roller 3 and the driven crushing roller 4, and a plurality of transmission shafts 5 which are installed in the driving crushing roller 3 and the driven crushing roller 4 at equal intervals are used for crushing The crushing roller rotates and simultaneously generates a vibrating eccentric wheel 6, the crushing roller drives the eccentric wheel 6 to rotate to generate vibration and cause exciting force for crushing, a transmission shaft 5 arranged in the driving crushing roller 3 and the driven crushing roller 4 is respectively connected with a hydraulic motor 7 for driving the driving crushing roller to rotate, a clutch is further arranged between the connection part of the transmission shaft 5 on the driven crushing roller 4 and the hydraulic motor 7, preferably, the clutch is a friction type clutch, and the hydraulic motor 7 is connected with a hydraulic station 9 through a hydraulic pipeline 8.

A friction clutch is arranged between the connecting part of the transmission shaft 5 of the driven crushing roller 4 and the hydraulic motor 7, the driven crushing roller 4 can realize two motion states, one is that the friction clutch is disengaged from the driven crushing roller 4 and the friction clutch is driven by the driving damaged roller to rotate, the other is that the friction clutch is engaged with the driven crushing roller 4 to rotate independently and relatively, the frame 1 is a hollow shell, the driving crushing roller 3 and the driven crushing roller 4 are arranged above the frame 1, the teeth of the crusher are thin, so that the crushed stone blocks can be fallen down with enough clearance and can be crushed in the next step, the teeth of the driving crushing roller 3 and the driven crushing roller 4 which are arranged below the frame 1 are relatively thick, the left and right two driving crushing rollers 3 and the driven crushing rollers 4 which rotate relatively are beneficial to further crushing the stone blocks into smaller particles, and the teeth of the driving crushing rollers and the driven crushing rollers are mutually dislocated and occluded. 3-4 eccentric wheels 6 are arranged in the hollow range of the upper driving roller and the lower driving roller, because the gravity center of the eccentric wheel 6 is not on the transmission shaft 5, when the eccentric wheel 6 rotates, the eccentric wheel 6 does circular motion to generate centrifugal force, namely excitation force, and because the direction of the centrifugal force is continuously changed along with the rotation of the eccentric wheel 6, the crushing roller generates large amplitude swing, namely vibration under the action of the centrifugal force of the eccentric wheel 6. The exciting force has high utilization rate, low energy consumption, low noise and long service life, can enhance the crushing force of the crushing roller, ensures that the crushing effect of stones is better, and improves the production efficiency.

The power sources of the driving crushing roller 3 and the driven crushing roller 4 are both provided by a hydraulic motor 7, a hydraulic station 9 connected with the hydraulic motor 7 provides hydraulic oil with certain pressure and transmits the hydraulic oil to the hydraulic motor 7, the hydraulic station 9 is also called as a hydraulic pump station, the motor drives an oil pump to rotate, the pump pumps the oil after absorbing the oil from an oil tank, the mechanical energy is converted into the pressure energy of the hydraulic oil, the hydraulic oil is subjected to direction, pressure and flow regulation by a hydraulic valve through an integrated block (or valve combination) and then is transmitted to an oil cylinder or an oil motor of the hydraulic machine through an external pipeline, so that the direction change of the hydraulic machine, the strength and the speed of the hydraulic machine are controlled, and various hydraulic machines are pushed to do work; the hydraulic motor 7 is an actuator of the hydraulic system, and converts hydraulic energy supplied from the hydraulic pump into mechanical energy of an output shaft thereof. Compared with a common motor, the hydraulic motor 7 not only can rotate forwards, but also can freely change into movements of reverse rotation, speed change, acceleration and the like, stepless speed regulation is easy to realize, and the speed ratio (the ratio of the highest rotating speed to the lowest rotating speed) can be as high as 200; therefore, the working performance and the production efficiency of the crusher can be improved, and the hydraulic motor 7 has low energy consumption and low use cost.

In this embodiment, all link up fan-shaped incision on initiative crushing roller 3 and driven crushing roller 4 both sides face, can further reduce its self weight like this, can be with the more transformation of power breaking force, the fan-shaped incision of seting up can also make things convenient for people to observe the in service behavior of eccentric wheel 6 in the crushing roller, makes things convenient for the maintenance of equipment.

In this embodiment, all be provided with a plurality of being used for supporting outside the wall of frame 1 front and back both sides 5 pivoted rolling bearings 10, rolling bearings 10 bottom can be dismantled and be connected with backup pad 11, backup pad 11 with frame 1 fixed connection.

The two ends of the transmission shaft 5 are provided with the bearings 10 with the seats, and the balls arranged in the bearings 10 with the seats can well support the rotation of the transmission shaft 5, so that the rotation resistance is reduced, and the rotation is smoother. Preferably, the rolling bearing 10 is connected to the supporting plate 11 through screws, so that people can conveniently detach and replace the rolling bearing 10.

In this embodiment, the left end of backup pad 11 is provided with the arch, the left end on the wall of both sides is offered and is used for the gliding movable groove 12 of transmission shaft 5 around the frame 1, is located fixedly connected with spring 13 on the left side wall of movable groove 12 corresponding position department's seated bearing 10, spring 13's other end fixedly connected with adjusting plate 14, protruding department threaded connection in backup pad 11 has adjusting knob 15, adjusting knob 15's one end with the 14 butts of adjusting plate, the spout mouth has been seted up to adjusting plate 14 bottom, the left end fixedly connected with at backup pad 11 top with spout mouth assorted slider 16.

The supporting plate 11 is an L-shaped plate, and the bulge of the supporting plate is used for being connected with an adjusting knob 15 in a threaded mode. Can make adjusting plate 14 side-to-side movement in backup pad 11 through rotating adjust knob 15, the side-to-side movement through adjusting plate 14 adjusts the compression capacity of spring 13, thereby the cushion effect size of adjustment driven crushing roller 4, when meetting can not carry out broken stereoplasm stone, in order not to damage two crushing rollers, the driven crushing roller 4 of left end slides left together with belt seat bearing 10, make the stereoplasm stone fall down, the phenomenon of the dead jam of card that causes because of the stereoplasm stone can not fall down between two crushing rollers has been avoided.

In this embodiment, the transmission shaft 5 is provided with a damping rubber pad.

The damping rubber pad is arranged at the rotary connection part of the transmission shaft 5 and the rack 1, so that most of exciting force generated by the rotation of the eccentric wheel 6 on the transmission shaft 5 can be filtered, and the stability among the connecting parts of the rack 1 is not influenced by the vibration of the transmission shaft 5. In the present embodiment, a cushion rubber is provided at the connection between the transmission shaft 5 and the mounted bearing 10. The damping rubber cushion is made of a material with good elasticity, and natural rubber can be selected.

In this embodiment, the two crushing rolls located below the frame 1 are each larger in length and diameter than the two crushing rolls located above it.

The length of the two crushing rollers arranged below the rack 1 is larger than that of the two crushing rollers arranged above the two crushing rollers because the fine crushing gap between the two crushing rollers arranged below the rack 1 is smaller, under the condition that the relative rotating speeds of the upper and lower groups of crushing rollers in the rack 1 are the same, the handling capacity of the two crushing rollers arranged below the rack 1 is smaller than that of the two crushing rollers arranged above the two crushing rollers, the length of the two crushing rollers arranged below the rack 1 is prolonged so as to handle more stones at the same rotating speed, the handling capacity of the two crushing rollers arranged below the rack 1 is larger than or equal to that of the two crushing rollers arranged above the two crushing rollers, the diameter of the two crushing rollers arranged below the rack 1 is larger than that of the two crushing rollers arranged above the two crushing rollers, the linear speed of the outer diameter surfaces of the two crushing rollers arranged below the rack 1 can be increased, and more stones can be taken away at the same rotating speed, the purpose is also in order to increase the throughput of two crushing rollers that are arranged below the frame 1 and avoid the phenomenon of material extrusion, and in addition, the hydraulic motor 7 is convenient to regulate the speed and can also increase the rotating speed of the hydraulic motor 7 to realize the purpose.

In this embodiment, the top of the frame 1 is provided with a feed hopper 17.

The feed hopper 17 is fixedly connected to the top of the frame 1 and is an inverted cone-shaped hollow shell, a small end opening is matched with the size of the feed inlet 2, and a large end opening is used for feeding materials to slowly guide the materials downwards.

In this embodiment, a conveying assembly is arranged below the machine frame 1, and comprises a conveying belt 18, a conveying roller 19 and a conveying support 20, and the conveying support 20 is fixedly connected with the machine frame 1.

Can carry the good stone of breakage to appointed position through conveying assembly, be convenient for processing or the collection of next step. Baffles are provided on both sides of the conveyor belt 18 in the conveyor assembly to prevent stones from falling out of the confines of the conveyor belt 18 during the conveying process. The two ends of the top of the conveying bracket 20 are provided with bulges, and the bulges are detachably connected with the rack 1.

In this embodiment, the frame 1 is provided with a plurality of nozzles therein.

Initiative crushing roller 3 and the common centre gripping of driven crushing roller 4 stone, frictional force that obtains through the clamping-force slowly sends into the broken clearance department between two crushing rollers of stone, two point distance of the stone of centre gripping are more and more littleer, the extrusion force is just also more and more obvious, final stone is broken, because frictional force's influence, can produce the heat on the crushing roller when the crushing roller is broken the stone, the intensity of broken roller tooth can be influenced to the high temperature, make it take place to warp, tooth after the deformation can't be broken, therefore set up the shower nozzle in frame 1, spout the cooling water between two crushing rollers, reduce its surface temperature, the life of extension crushing roller.

Specific working process

The specific working process of this embodiment is as follows: start hydraulic pressure station 9 and start hydraulic motor 7 on each crushing roller, two crushing rollers that are located frame 1 top rotate with two crushing rollers relative rotation that the below set up rather than, feeder hopper 17 is introduced to the stone that will gather, the stone falls into on the initiative crushing roller 3 and the driven crushing roller 4 that are located frame 1 top through feed inlet 2 along the internal face of feeder hopper 17 slope, initiative crushing roller 3 and driven crushing roller 4 can fall into the size in its below setting other a set of initiative crushing roller 3 and driven crushing roller 4 through relative rotation with the stone breakage in coarse crushing clearance, on two-phase relative rotation crushing roller further breaks the stone into in fine crushing clearance size's stone and falls into conveyer belt 18 promptly, and carry it toward appointed position. When hard stone blocks which cannot be crushed are encountered, the driven crushing rollers 4 arranged above and below the frame 1 can increase the crushing gap through sliding so as to enable the hard stone blocks to naturally fall down.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. The utility model provides an energy-efficient breaker, includes the frame, its characterized in that: the feed inlet has been seted up at the top of frame, correspond in the frame feed inlet department install at least a set of with frame rotation connection's initiative crushing roller and driven crushing roller, during the installation the initiative crushing roller with the axis of driven crushing roller all is located the coplanar, the initiative crushing roller with be equipped with broken clearance between the driven crushing roller, the initiative crushing roller with driven crushing roller is the cavity column body, and is in the initiative crushing roller with coaxial arrangement has the transmission shaft on the driven crushing roller the initiative crushing roller with all install vibration component in the driven crushing roller, the initiative transmission shaft with all install drive assembly on the driven transmission shaft, driven crushing roller with still install clutch assembly between the drive assembly.

2. An energy efficient crusher as claimed in claim 1, wherein: the vibration component is a plurality of eccentric wheels which are arranged on the transmission shaft at equal intervals.

3. An energy efficient crusher as claimed in claim 1, wherein: the driving assembly comprises a hydraulic motor arranged at one end of the transmission shaft and a hydraulic station connected with the hydraulic motor.

4. An energy efficient crusher as claimed in claim 1, wherein: the clutch component is a friction clutch.

5. An energy efficient crusher as claimed in claim 1, wherein: a plurality of bearings with seats for supporting the transmission shaft to rotate are arranged outside the front side wall and the rear side wall of the rack, a supporting plate is detachably connected to the bottom of each bearing with seat, and the supporting plate is fixedly connected with the rack.

6. An energy efficient crusher as claimed in claim 5, wherein: the left end of backup pad is provided with the arch, offer on the both sides wall around the frame and be used for the gliding movable groove of transmission shaft of installation on the driven crushing roller is located fixedly connected with spring on the left side wall of the area seat bearing of movable groove corresponding position department, the other end fixedly connected with adjusting plate of spring, protruding department threaded connection in the backup pad has the adjust knob, the one end of adjust knob with the adjusting plate butt, the spout mouth has been seted up to the adjusting plate bottom, the left end fixedly connected with at backup pad top with spout mouth assorted slider.

7. An energy efficient crusher as claimed in claim 1, wherein: and the transmission shaft is provided with a damping rubber pad.

8. An energy efficient crusher as claimed in claim 1, wherein: the top of the frame is provided with a feed hopper.

9. An energy efficient crusher as claimed in claim 1, wherein: the frame below is provided with conveying assembly, including conveyer belt, transfer roller and conveying support, the conveying support with frame fixed connection.

10. An energy efficient crusher as claimed in claim 1, wherein: a plurality of spray heads are arranged in the frame.