CN220004164U - Crusher capable of preventing roller collision - Google Patents

Abstract

The utility model provides a crusher capable of preventing collision of a roller body, which comprises a frame, a fixed roller, a swinging bracket, a pin shaft, an angle sensor, a roller spacing adjusting mechanism and a control system, wherein the fixed roller is rotatably arranged on the frame, the swinging roller is rotatably arranged on the swinging bracket and is parallel to the fixed roller, the swinging bracket is hinged on the frame through the pin shaft, so that the swinging roller on the swinging bracket can be close to or far away from the fixed roller, the angle sensor is erected on the frame and is connected with the pin shaft to detect the rotation angle of the pin shaft, the roller spacing adjusting mechanism comprises a telescopic driving piece, two ends of the telescopic driving piece are respectively hinged on the frame and the swinging bracket to drive the swinging bracket to rotate around the pin shaft, and the angle sensor is electrically connected with the control system. This breaker can be automatic intelligent regulation swing roller and fixed interval between the roller, avoids the interval too little to cause the roll body collision, promotes breaker life and operating stability.

Description

Crusher capable of preventing roller collision

Technical Field

The utility model relates to the technical field of swing roll type crushing equipment, in particular to a crusher capable of preventing roll collision.

Background

A oscillating roller crusher is a mechanical device for crushing medium hardness materials such as cement clinker, glass, granite, cobble. At present, in the existing swing roll crusher, under the condition that no material is filled between two roll bodies under the thrust action of a hydraulic cylinder, the pressure of the hydraulic cylinder is unchanged, the piston of the hydraulic cylinder can forward stroke to cause collision and empty grinding of the two roll bodies, and the abrasion-resistant sleeve and the whole machine body at the periphery of the roll bodies can be damaged by high-frequency vibration generated by the swing roll crusher.

Disclosure of Invention

In view of the above, the present utility model provides a crusher capable of preventing collision of roller bodies, so as to solve the technical problem of damage caused by collision and empty grinding of roller bodies during crushing.

The technical scheme of the utility model is as follows:

the utility model provides a crusher capable of preventing collision of a roller body, which comprises a frame, a fixed roller, a swinging bracket, a pin shaft, an angle sensor, a roller spacing adjusting mechanism and a control system, wherein the fixed roller is rotatably arranged on the frame, the swinging roller is rotatably arranged on the swinging bracket and is parallel to the fixed roller so as to crush materials under the rolling of the fixed roller and the swinging roller, the swinging bracket is hinged on the frame through the pin shaft so that the swinging roller on the swinging bracket can be close to or far from the fixed roller, the angle sensor is arranged on the frame and is connected with the pin shaft so as to detect the rotation angle of the pin shaft, the roller spacing adjusting mechanism comprises a telescopic driving piece, two ends of the telescopic driving piece are respectively hinged on the frame and the swinging bracket so as to drive the swinging bracket to rotate around the pin shaft, thereby adjusting the space between the fixed roller and the swinging roller, the angle sensor is electrically connected with the control system so as to compare a detected angle measurement signal with a preset angle range, and the telescopic driving piece is controlled to drive the swinging bracket to swing by a corresponding angle according to a comparison result.

Further, the grinding machine also comprises a rotary driving device, wherein an output shaft of the rotary driving device is in transmission connection with the fixed grinding roller so as to drive the fixed grinding roller to rotate around the central axis of the fixed grinding roller.

Further, the rotary driving device comprises a gear motor, and an output shaft of the gear motor is in transmission connection with one end of the fixed grinding roller through a coupler.

Further, fixed roller includes pivot, wheel hub and wear-resisting cover, and the both ends of pivot rotationally erect in the frame through the bearing, and the fixed cover of wheel hub is located the pivot outer peripheral face, and the fixed cover of wear-resisting cover is located the wheel hub outer peripheral face.

Further, the swing roller and the fixed roller are roller bodies with the same structure.

Further, the vibration measuring device also comprises a vibration sensor for measuring the vibration value of the frame, wherein the vibration sensor is arranged on the upper cross beam of the frame and is electrically connected with the control system.

Further, the telescopic driving piece adopts a hydraulic cylinder.

Further, the roll gap adjusting mechanism further comprises a hydraulic oil station and an oil pipe, the hydraulic cylinder is communicated with the hydraulic oil station through the oil pipe, an electromagnetic valve for controlling the on-off of hydraulic oil is arranged on the oil pipe, and the electromagnetic valve is electrically connected with the control system.

The utility model has the beneficial effects that:

compared with the prior art, the crusher capable of preventing the collision of the roller body is matched with the frame, the fixed roller, the swinging bracket, the pin shaft, the angle sensor, the roller spacing adjusting mechanism and the control system, the angle sensor can detect a rotation angle measuring signal of the pin shaft and send the rotation angle measuring signal to the control system, and the control system compares the detected angle measuring signal with a preset angle range and controls the telescopic driving piece to drive the swinging bracket to swing by a corresponding angle according to a comparison result. The swing support drives the swing roller to be close to or keep away from fixed roller to automatic intelligent regulation swing roller and fixed roller between the interval, avoid the interval too little to cause the roll body collision, thereby prevent that the roll body from grinding in the air under the condition that there is not material to pass through or lack the material between swing roller and the fixed roller, avoid the high frequency vibration of producing from this to break away from harmful roll body and whole organism, promoted the life and the operating stability of breaker.

The preferred embodiments of the present utility model and their advantageous effects will be described in further detail with reference to specific embodiments.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain the utility model. In the drawings of which there are shown,

FIG. 1 is a schematic view of a crusher for preventing collision of a roll body according to the present utility model;

FIG. 2 is a partial block diagram of a crusher of the present utility model that is resistant to roll collisions;

fig. 3 is a structural view showing the cooperation of a fixed roller and a swing roller of the crusher for preventing collision of a roller body according to the present utility model.

Reference numerals illustrate: the device comprises a frame 1, a fixed grinding roller 2, a swinging grinding roller 3, a swinging bracket 4, a pin shaft 5, an angle sensor 6, a roller spacing adjusting mechanism 7, a control system 8, a telescopic driving piece 71, a rotating shaft 21, a hub 22, a wear-resistant sleeve 23, a vibration sensor 9, a hydraulic oil station 72 and an oil pipe 73.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

Referring to fig. 1 to 3, the present utility model provides a crusher capable of preventing collision of roller bodies, comprising a frame 1, a fixed roller 2, a swinging roller 3, a swinging bracket 4, a pin 5, an angle sensor 6, a roller spacing adjusting mechanism 7 and a control system 8. The fixed roller 2 is rotatably mounted on the frame 1, and the swinging roller 3 is rotatably mounted on the swinging bracket 4 and is arranged parallel to the fixed roller 2 for crushing the material under the rolling of the fixed roller 2 and the swinging roller 3. The swing bracket 4 is hinged to the frame 1 by a pin 5 so that the swing roller 3 on the swing bracket 4 can be close to or far from the fixed roller 2. The angle sensor 6 is erected on the frame 1 and connected with the pin shaft 5 to detect the rotation angle of the pin shaft 5. The roll gap adjusting mechanism 7 comprises a telescopic driving piece 71, and two ends of the telescopic driving piece 71 are respectively hinged to the frame 1 and the swing bracket 4 so as to drive the swing bracket 4 to rotate around the pin shaft 5, thereby adjusting the distance between the fixed milling roll 2 and the swing milling roll 3. The angle sensor 6 is electrically connected with the control system 8, so as to compare the detected angle measurement signal with a preset angle range, and control the telescopic driving piece 71 to drive the swinging bracket 4 to swing by a corresponding angle according to the comparison result.

According to the crusher capable of preventing roll collision, the frame 1, the fixed grinding roll 2, the swinging grinding roll 3, the swinging support 4, the pin shaft 5, the angle sensor 6, the roll gap adjusting mechanism 7 and the control system 8 are arranged to be matched, the angle sensor 6 can detect a rotation angle measuring signal of the pin shaft 5 and send the rotation angle measuring signal to the control system 8, and the control system 8 compares the detected angle measuring signal with a preset angle range and controls the telescopic driving piece 71 to drive the swinging support 4 to swing by a corresponding angle according to a comparison result. The swing bracket 4 drives the swing roller 3 to be close to or far away from the fixed roller 2 to automatic intelligent regulation swing roller 3 and fixed roller 2 between the interval, avoid the interval too little to cause the roll body collision, thereby prevent that the roll body from grinding in the air from taking place under the condition that there is not material to pass through or lack of material between swing roller 3 and the fixed roller 2, avoid the high frequency vibration of producing from this to break away from harmful roll body and whole organism, promoted the life and the operating stability of breaker.

The crusher capable of preventing collision of the roller body further comprises a rotary driving device, wherein an output shaft of the rotary driving device is in transmission connection with the fixed roller 2 so as to drive the fixed roller 2 to rotate around the central axis of the fixed roller. The rotary driving device comprises a gear motor, and an output shaft of the gear motor is in transmission connection with one end of the fixed grinding roller 2 through a coupler.

In this embodiment, the fixed grinding roller 2 includes a rotating shaft 21, a hub 22 and a wear-resistant sleeve 23, wherein two ends of the rotating shaft 21 are rotatably mounted on the frame 1 through bearings, the hub 22 is fixedly sleeved on the outer peripheral surface of the rotating shaft 21, and the wear-resistant sleeve 23 is fixedly sleeved on the outer peripheral surface of the hub 22. The swing roller 3 may have the same structure as the fixed roller 2, and will not be described here.

In this embodiment, the crusher for preventing roll collision provided by the utility model further comprises a vibration sensor 9 for measuring the vibration value of the frame 1, wherein the vibration sensor 9 is mounted on the upper beam of the frame 1, and the vibration sensor 9 is electrically connected with the control system 8. The vibration value measured by the vibration sensor 9 is transmitted to the control system 8, and the control system 8 compares the vibration value of the vibration sensor 9 with a preset vibration value and determines the swinging angle of the swinging bracket 4 by using the comparison result. For example, when the vibration sensor 9 detects that the vibration duration exceeds the maximum value, the control system 8 controls the telescopic driving piece 71 to drive the swing bracket 4 to swing so as to increase the interval between the fixed grinding roller 2 and the swing grinding roller 3. The crusher can freely and intelligently adjust the distance between the fixed roller 2 and the swinging roller 3 according to the granularity of materials, is beneficial to improving the crushing efficiency of the crusher, and has better adaptability.

In this embodiment, the telescopic driving member 71 adopts a hydraulic cylinder, the roll gap adjusting mechanism 7 further comprises a hydraulic oil station 72 and an oil pipe 73, the hydraulic cylinder is communicated with the hydraulic oil station 72 through the oil pipe 73, an electromagnetic valve for controlling the on-off of hydraulic oil is arranged on the oil pipe 73, and the electromagnetic valve is electrically connected with the control system 8.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying importance; the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, a particular component geometry.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, 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; the communication may be direct or indirect through an intermediate medium, or may be internal to two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.

Claims (8)

1. The utility model provides a crusher for preventing roll collision, a serial communication port, including frame (1), fixed roller (2), swing roller (3), swing support (4), round pin axle (5), angle sensor (6), roll spacing adjustment mechanism (7) and control system (8), fixed roller (2) rotationally install on frame (1), swing roller (3) rotationally install on swing support (4) and with fixed roller (2) parallel arrangement, for the material rolls down under fixed roller (2) and swing roller (3), swing support (4) are articulated on frame (1) through round pin axle (5), so that swing roller (3) on swing support (4) can be close to or keep away from fixed roller (2), angle sensor (6) erect on frame (1) and be connected with round pin axle (5), in order to detect the rotation angle of round pin axle (5), roll spacing adjustment mechanism (7) include flexible drive piece (71), flexible drive piece (71) are articulated respectively on frame (1) and swing support (4) with swing support (4) in order to rotate around angle adjustment system (8) between fixed roller (2) and swing support (4), and comparing the detected angle measurement signal with a preset angle range, and controlling the telescopic driving piece (71) to drive the swinging bracket (4) to swing by a corresponding angle according to the comparison result.

2. The crusher against roll collisions according to claim 1, further comprising a rotary drive, the output shaft of which is in driving connection with the fixed roll (2) for driving the fixed roll (2) in rotation about its central axis.

3. The crusher for preventing collision of roller bodies according to claim 2, characterized in that the rotary driving means comprises a gear motor, the output shaft of which is in transmission connection with one end of the fixed grinding roller (2) through a coupling.

4. The crusher for preventing collision of a roller body according to claim 1, characterized in that the fixed roller (2) comprises a rotating shaft (21), a hub (22) and a wear-resistant sleeve (23), both ends of the rotating shaft (21) are rotatably arranged on the frame (1) through bearings, the hub (22) is fixedly sleeved on the outer peripheral surface of the rotating shaft (21), and the wear-resistant sleeve (23) is fixedly sleeved on the outer peripheral surface of the hub (22).

5. The crusher against collision of roll bodies according to claim 1, characterized in that the oscillating roller (3) and the stationary roller (2) are of the same construction.

6. The crusher for preventing roll collision according to claim 1, further comprising a vibration sensor (9) for measuring the vibration value of the frame (1), wherein the vibration sensor (9) is mounted on the upper cross beam of the frame (1), and the vibration sensor (9) is electrically connected with the control system (8).

7. A crusher against roll collisions according to claim 1, characterized in that said telescopic drive (71) employs a hydraulic cylinder.

8. The crusher for preventing collision of a roller body according to claim 7, wherein the roller spacing adjusting mechanism (7) further comprises a hydraulic oil station (72) and an oil pipe (73), the hydraulic cylinder is communicated with the hydraulic oil station (72) through the oil pipe (73), an electromagnetic valve for controlling on-off of hydraulic oil is arranged on the oil pipe (73), and the electromagnetic valve is electrically connected with the control system (8).