CN219400284U

CN219400284U - Crushing apparatus

Info

Publication number: CN219400284U
Application number: CN202320390739.2U
Authority: CN
Inventors: 杜跃; 王国乐; 冯奇; 郭建慧
Original assignee: Shendong Coal Branch of China Shenhua Energy Co Ltd; Guoneng Shendong Coal Group Co Ltd
Current assignee: Shendong Coal Branch of China Shenhua Energy Co Ltd; Guoneng Shendong Coal Group Co Ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-07-25
Anticipated expiration: 2033-03-02

Abstract

The utility model provides crushing equipment. The crushing apparatus includes: a frame; the crushing device comprises a cylinder body and a crushing structure, wherein the cylinder body is provided with a containing cavity and an opening, the opening is positioned at one end of the cylinder body and is communicated with the containing cavity, the crushing structure is telescopically arranged in the containing cavity, the crushing structure is provided with a crushing part, and the crushing part penetrates out of the opening to crush materials, so that a rotating shaft penetrates through the cylinder body and the frame to enable the cylinder body to rotate around the rotating shaft relative to the frame; when the conveying device is in a conveying state, the cylinder body rotates to a first position, and the crushing device avoids materials; when the conveying device is in a stopped conveying state and the material is positioned below the crushing device, the cylinder body rotates to a second position, so that the moving direction of the crushing part is perpendicular to the conveying direction of the conveying device, and the crushing part stretches out to crush the material. The utility model effectively solves the problem of lower operation safety of the gangue cleaning method at the discharging hole of the self-moving tail in the prior art.

Description

Crushing apparatus

Technical Field

The utility model relates to the technical field of mine equipment, in particular to crushing equipment.

Background

The fully-mechanized mining working face of the mine mainly comprises a coal mining machine, a hydraulic support, a scraper conveyor, a transfer conveyor, a crusher, a self-moving tail and other devices, and in the mining process, materials crushed by the crusher are conveyed to the transfer conveyor through the scraper conveyor, and Ma Dier is self-moving tail to receive the materials from the transfer conveyor and transfer the materials to a belt conveying system so as to finish conveying of the materials. However, when the working surface is pressed, the working surface top plate is broken, so that the large gangue directly falls on the scraper conveyor, and the transported large gangue is finally blocked at the discharge hole of the Ma Dier self-moving tail, thereby influencing the promotion of mining work.

In the prior art, a worker is usually required to use a large hammer to knock the large gangue blocked at the discharge hole so as to dredge the discharge hole.

However, the working method requires the worker to ascend and use the large hammer to strike, so that the labor intensity of the worker is increased, and the working safety of the worker is seriously affected.

Disclosure of Invention

The utility model mainly aims to provide crushing equipment so as to solve the problem of lower operation safety of a waste rock cleaning method at a self-moving tail discharge hole in the prior art.

In order to achieve the above object, the present utility model provides a crushing apparatus comprising: a frame; the crushing device comprises a cylinder body and a crushing structure, wherein the cylinder body is provided with a containing cavity and an opening, the opening is positioned at one end of the cylinder body and is communicated with the containing cavity, the crushing structure is telescopically arranged in the containing cavity, the crushing structure is provided with a crushing part, the crushing part penetrates out of the opening and then crushes materials, a rotating shaft is arranged on the cylinder body and the frame in a penetrating manner, so that the cylinder body rotates around the rotating shaft relative to the frame, and an included angle is formed between the extending direction of the rotating shaft and the moving direction of the crushing structure; when the conveying device is in a conveying state, the cylinder body rotates to a first position, and the crushing device avoids materials; when the conveying device is in a stopped conveying state and the material is positioned below the crushing device, the cylinder body rotates to a second position, so that the moving direction of the crushing part is perpendicular to the conveying direction of the conveying device, and the crushing part stretches out to crush the material.

Further, the frame is provided with at least two mounting holes, the at least two mounting holes are arranged at intervals around the rotating shaft, the cylinder body is provided with a matched concave part, and the crushing equipment further comprises a positioning piece; when the cylinder body rotates to the first position, the positioning piece is arranged in at least one mounting hole and the matching concave part in a penetrating way so as to be in limit fit with the matching concave part; when the cylinder body rotates to the second position, the locating piece is arranged in at least one other mounting hole and the matching concave part in a penetrating mode so as to be in limit fit with the matching concave part.

Further, the crushing apparatus further comprises: the driving device is in driving connection with the cylinder body to drive the cylinder body to rotate; the image acquisition device is used for detecting the height and/or width of the material below the crushing device; the control module is connected with the image acquisition device, the driving device and the conveying device and controls the driving device to drive the cylinder body to rotate to a first position according to the acquisition value of the image acquisition device; or the control module controls the driving device to drive the cylinder body to rotate to the second position according to the acquisition value of the image acquisition device, and controls the conveying device to stop running.

Further, the crushing structure is a rod-shaped structure, a piston is arranged on one end of the rod-shaped structure extending into the accommodating cavity, the other end of the rod-shaped structure is provided with a crushing part, and the crushing part is provided with an inclined plane; wherein the outer diameter of at least part of the rod-like structure gradually decreases in the direction from the piston to the crushing portion.

Further, the crushing apparatus further comprises: the medium supply device is communicated with the cylinder body, and is used for inputting a medium into the accommodating cavity so as to drive the crushing structure to extend or retract; the medium supply device is communicated with the cylinder body through a pipeline; the first control valve is arranged on the pipeline and used for controlling at least one of medium flow, medium flow rate, medium flow direction and pipeline on-off state in the pipeline; the first control valve is connected with the control module, and the control module controls the running state of the first control valve according to the acquisition value of the image acquisition device.

Further, the cylinder body is provided with a first medium inlet hole and a second medium inlet hole which are communicated with the accommodating cavity, and the first medium inlet hole and the second medium inlet hole are arranged at intervals along the extending direction of the cylinder body; the piston is positioned between the first medium inlet hole and the second medium inlet hole; the pipeline is selectively communicated with the first medium inlet hole and the second medium inlet hole, and the rod-shaped structure stretches out when the medium supplying device inputs a medium into the accommodating cavity through the first medium inlet hole; the rod-like structure is retracted when the medium feeding device feeds medium into the accommodating chamber through the second medium feeding hole.

Further, the pipeline comprises: one end of the main pipeline is communicated with the medium supply device; the first branch pipeline is communicated with the first medium inlet hole; the second branch pipeline is communicated with the second medium inlet hole; the other end of the main pipeline is selectively communicated with the first branch pipeline and the second branch pipeline; the first control valve is arranged on the main pipeline to control the main pipeline to be communicated with the first branch pipeline or the second branch pipeline through the first control valve.

Further, the frame comprises at least two upright posts and a cross beam erected on each upright post; wherein, the crushing device is one, the pipeline is one, and the first control valve is one; or, the crushing devices are multiple, the pipelines are multiple, the first control valves are multiple, the crushing devices are arranged at intervals along the extending direction of the cross beam, the pipelines are arranged in one-to-one correspondence with the crushing devices, and the first control valves are arranged in one-to-one correspondence with the pipelines.

Further, the crushing apparatus further comprises: the second control valve is arranged on the main pipeline and is positioned between the first control valve and the medium supply device so as to control the on-off state of the main pipeline.

Further, the first control valve is a manual reversing valve, and an antifriction sleeve is sleeved on an operating handle of the manual reversing valve.

By applying the technical scheme of the utility model, the crushing device of the crushing equipment is arranged on the frame, the crushing device comprises the cylinder body and the crushing structure, the cylinder body is provided with the accommodating cavity and the opening, the opening is positioned at one end of the cylinder body and is communicated with the accommodating cavity, the crushing structure is telescopically arranged in the accommodating cavity, the crushing part of the crushing structure penetrates out of the opening and is used for crushing materials, and the rotating shaft penetrates through the cylinder body and the frame so as to enable the cylinder body to rotate around the rotating shaft relative to the frame, and an included angle is formed between the extending direction of the rotating shaft and the moving direction of the crushing structure. Like this, crushing apparatus erects in conveyor's discharge gate department, and when conveyor was in the transportation state, the staff rotated the cylinder body to first position so that breaker dodges the material, and then can avoid taking place to interfere between breaker and the material and influence the normal transport of material. When the bulk material is positioned below the crushing device and blocks the discharge hole, a worker firstly operates the conveying device to stop running and rotates the cylinder body to a second position, so that the moving direction of the crushing part and the conveying direction of the conveying device are mutually perpendicular, the material is prevented from sliding and even flying out under the extrusion action of the crushing part, and the operation safety of the worker is further improved. Then, the crushing device is operated again to start, the crushing part stretches out to crush the large materials into small blocks, so that workers do not need to knock the materials, the operation safety of the workers is improved to a greater extent, the problem that in the prior art, the operation safety of a gangue cleaning method for a self-moving tail discharge hole is low is solved, and the labor intensity of the workers is reduced.

Drawings

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

fig. 1 shows a schematic perspective view of an embodiment of a crushing plant according to the utility model.

Wherein the above figures include the following reference numerals:

10. a frame; 11. a column; 12. a cross beam; 20. a crushing device; 21. a cylinder; 211. a first dielectric inlet; 212. a second dielectric inlet hole; 22. a crushing structure; 221. a crushing section; 30. a pipeline; 31. a main pipeline; 32. a first branch pipe; 33. a second branch pipe; 40. a first control valve; 50. a second control valve; 70. a mounting structure; 71. a first ear plate; 72. and a second ear plate.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used generally with respect to the orientation shown in the drawings or to the vertical, vertical or gravitational orientation; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

In order to solve the problem that the operation safety of the gangue cleaning method for the position of the self-moving tail discharge hole is lower in the prior art, the application provides crushing equipment.

As shown in fig. 1, the crushing apparatus comprises a frame 10 and a crushing device 20, the crushing device 20 comprises a cylinder 21 and a crushing structure 22, the cylinder 21 is provided with a containing cavity and an opening, the opening is positioned at one end of the cylinder 21 and is communicated with the containing cavity, the crushing structure 22 is telescopically arranged in the containing cavity, the crushing structure 22 is provided with a crushing part 221, the crushing part 221 penetrates out of the opening to crush materials, so that the cylinder 21 rotates around a rotating shaft relative to the frame 10 by penetrating a rotating shaft on the cylinder 21 and the frame 10, and an included angle is formed between the extending direction of the rotating shaft and the moving direction of the crushing structure 22. Wherein, when the conveying device is in a transportation state, the cylinder body 21 rotates to a first position, and the crushing device 20 avoids materials; when the conveyor is in a stopped state and the material is below the crushing device 20, the cylinder 21 is rotated to the second position so that the moving direction of the crushing portion 221 is perpendicular to the conveying direction of the conveyor, and the crushing portion 221 protrudes to crush the material.

By applying the technical scheme of the embodiment, the crushing device 20 of the crushing equipment is arranged on the frame 10, the crushing device 20 comprises a cylinder 21 and a crushing structure 22, the cylinder 21 is provided with a containing cavity and an opening, the opening is positioned at one end of the cylinder and is communicated with the containing cavity, the crushing structure 22 is telescopically arranged in the containing cavity, the crushing part 221 of the crushing structure 22 penetrates out of the opening to be used for crushing materials, and a rotating shaft penetrates through the cylinder 21 and the frame 10 to enable the cylinder 21 to rotate around the rotating shaft relative to the frame 10, and an included angle is formed between the extending direction of the rotating shaft and the moving direction of the crushing structure 22. Like this, crushing apparatus erects in conveyor's discharge gate department, and when conveyor was in the transportation state, the staff rotated cylinder body 21 to first position so that breaker 20 dodges the material, and then can avoid taking place to interfere between breaker 20 and the material and influence the normal transport of material. When the bulk material is located below the crushing device 20 and blocks the discharge hole, a worker firstly operates the conveying device to stop running and rotates the cylinder body 21 to the second position, so that the moving direction of the crushing part 221 and the conveying direction of the conveying device are mutually perpendicular, the material is prevented from sliding and even flying out under the extrusion action of the crushing part 221, and the operation safety of the worker is further improved. Then, the crushing device 20 is operated again to start, the crushing part 221 stretches out to crush the large materials into small pieces, so that workers do not need to knock the materials, the operation safety of the workers is improved to a large extent, the problem that in the prior art, the operation safety of a waste rock cleaning method for a self-moving tail discharge hole is low is solved, and the labor intensity of the workers is reduced.

In this embodiment, the frame 10 is provided with a mounting structure 70, where the mounting structure 70 includes a first ear plate 71 and a second ear plate 72, the first ear plate 71 has a first through hole, the second ear plate 72 has a second through hole, and the first through hole and the second through hole are disposed opposite to each other for penetrating the rotating shaft. Like this, install cylinder body 21 through mounting structure 70 for need not to set up the concave part that is used for installing cylinder body 21 on the frame 10, and then promoted the structural strength of frame 10, also made cylinder body 21 and frame 10's dismouting easier, simple and convenient, reduced the dismouting degree of difficulty.

In this embodiment, the crushing device 20 is formed by reforming a hydraulic support upper protection cylinder of a fully-mechanized mining face, and can provide working pressure up to 484.9KN, so that the crushing reliability of the crushing device 20 on materials is improved to a great extent.

In this embodiment the frame 10 has at least two mounting holes spaced around the rotation axis, the cylinder 21 having mating recesses and the crushing apparatus further comprising positioning members. Wherein, when the cylinder body 21 rotates to the first position, the positioning piece is arranged in at least one mounting hole and the matching concave part in a penetrating way so as to be in limit fit with the matching concave part. When the cylinder 21 rotates to the second position, the positioning member is penetrated in at least one other mounting hole and the matching concave part to be in limit fit with the matching concave part. In this way, the positioning piece is arranged in different mounting holes in a penetrating way and is matched with the matched concave part, so that the cylinder body 21 can be fixed at the first position or the second position, and on one hand, the normal conveying of materials is ensured; on the other hand, the cylinder body 21 can be prevented from deviating from the second position to affect the crushing of the material by the crushing part 221, so that the crushing reliability of the crushing equipment on the material is improved. Meanwhile, the setting number of the mounting holes is more flexible and various to adapt to different working conditions and use requirements, and the processing flexibility of staff is improved.

In this embodiment, the number of the mounting holes is two, and the two mounting holes are spaced around the rotating shaft and correspond to the first position and the second position respectively.

It should be noted that the number of the mounting holes is not limited to this, and can be adjusted according to the working condition and the use requirement. Alternatively, the mounting holes are three, or four, or five, or six, or seven, or more.

Specifically, the positioning piece is a positioning pin.

Optionally, the crushing apparatus further comprises a driving device, an image acquisition device and a control module, wherein the driving device is in driving connection with the cylinder 21 to drive the cylinder 21 to rotate. The image acquisition device is used for detecting the height and/or width of the material located below the crushing device 20. The control module is connected with the image acquisition device, the driving device and the conveying device, and controls the driving device to drive the cylinder 21 to rotate to the first position according to the acquisition value of the image acquisition device; or the control module controls the driving device to drive the cylinder body 21 to rotate to the second position according to the acquisition value of the image acquisition device, and controls the conveying device to stop running. In this way, the control module can automatically control the driving device to drive the cylinder body 21 to rotate according to the acquisition value of the image acquisition device, so that on one hand, a worker does not need to manually rotate the cylinder body 21, and the labor intensity of the worker is further reduced; on the other hand, the intelligent degree of the crushing equipment is improved, and the operation difficulty of staff is reduced.

In this embodiment, the image acquisition device is used to detect the height and width of the material located below the crushing device 20. Thus, when the height of the material is greater than or equal to the height of the discharge hole of the conveying device or the width of the material is greater than or equal to the width of the discharge hole of the conveying device, the control module controls the cylinder 21 to rotate to the second position and controls the conveying device to stop running; when the height of the material is smaller than the height of the discharge hole of the conveying device and the width of the material is smaller than the width of the discharge hole of the conveying device, the control module controls the cylinder 21 to rotate to the first position and controls the conveying device to start to operate.

As shown in fig. 1, the crushing structure 22 is a rod-shaped structure, a piston is provided on one end of the rod-shaped structure extending into the accommodating chamber, the other end of the rod-shaped structure is provided with a crushing portion 221, and the crushing portion 221 is provided with an inclined surface. Wherein the outer diameter of at least part of the rod-like structure gradually decreases in the direction from the piston to the crushing portion 221. In this way, the end of the rod-like structure that protrudes into the receiving chamber can be brought into close contact with the chamber wall of the receiving chamber by means of the piston, so that the rod-like structure is driven into movement by the piston when a medium is fed into the receiving chamber. Meanwhile, the above-mentioned arrangement of the crushing portion 221 promotes the crushing capability of the crushing structure 22, so that the crushing structure 22 can crush the material more easily and easily, and further promotes the crushing reliability of the crushing structure 22 to the material.

In this embodiment, the crushing structure 22 is a piston rod of a hydraulic support slope protection cylinder, and an end of the piston rod, which is far away from the piston, is provided with an inclined plane. Like this, above-mentioned setting makes broken structure 22's structure simpler, easy processing, realization, and then has reduced broken structure 22's processing cost and staff's processing degree of difficulty.

Optionally, the crushing plant further comprises a medium supply device, which communicates with the cylinder 21, a conduit 30 and a first control valve 40, which supplies medium into the receiving chamber for driving the crushing structure 22 to extend or retract. The medium supply communicates with the cylinder 21 via a line 30. The first control valve 40 is disposed on the pipeline 30 for controlling at least one of a medium flow rate, a medium flow velocity, a medium flow direction and a pipeline on-off state in the pipeline 30. The first control valve 40 is connected to a control module, and the control module controls the operation state of the first control valve 40 according to the acquisition value of the image acquisition device. Thus, the arrangement described above provides, on the one hand, a source of power for the operation of the crushing device 20 via the medium feeding device; on the other hand, the first control valve 40 is capable of controlling the operating state of the crushing structure 22 (e.g. the operating pressure, the operating speed, the operating direction, etc. of the crushing structure 22) by controlling the medium flow state in the pipeline 30 to achieve the crushing function of the crushing device 20. Meanwhile, the control module can control the operation state of the first control valve 40 according to the acquisition value of the image acquisition device, so that the crushing equipment can automatically adjust the operation state of the crushing structure 22, the intelligent degree of the crushing equipment is further improved, and the operation difficulty of staff is reduced.

In the embodiment, the medium supply device is a fully-mechanized mining face pump station, and the maximum outlet pressure of the medium supply device can reach 31.5MPa.

Alternatively, the cylinder 21 has a first medium inlet hole 211 and a second medium inlet hole 212 communicating with the accommodation chamber, the first medium inlet hole 211 and the second medium inlet hole 212 being disposed at intervals along the extending direction of the cylinder 21. The piston is located between the first medium inlet hole 211 and the second medium inlet hole 212. Wherein, the pipeline 30 is selectively communicated with the first medium inlet hole 211 and the second medium inlet hole 212, and the rod-shaped structure stretches out when the medium supplying device inputs the medium into the accommodating cavity through the first medium inlet hole 211; the rod-like structure is retracted when the medium feeding means feeds medium into the accommodating chamber through the second medium feeding hole 212. Therefore, the movement direction of the crushing structure 22 can be adjusted only by changing the flow direction of the medium in the pipeline 30, so that the adjustment method of the movement direction of the crushing structure 22 is simpler, and the operation difficulty of staff is reduced.

In this embodiment, when the medium feeding device inputs the medium into the accommodating cavity through the first medium inlet hole 211, the medium pushes the piston to move away from the rotating shaft so as to push the crushing structure 22 to extend; when the media supply feeds media into the receiving chamber through the second media feed aperture 212, the media push piston moves toward the spindle to push the crushing structure 22 to retract.

As shown in fig. 1, the pipeline 30 includes a main pipeline 31, a first branch pipeline 32 and a second branch pipeline 33, and one end of the main pipeline 31 is communicated with a medium supply device. The first branch pipe 32 communicates with the first medium inlet hole 211. The second branch line 33 communicates with the second medium inlet hole 212. Wherein the other end of the main pipe 31 is selectively communicable with the first branch pipe 32 and the second branch pipe 33; the first control valve 40 is provided on the main pipe 31 to control the main pipe 31 to communicate with the first branch pipe 32 or to communicate with the second branch pipe 33 through the first control valve 40. In this way, the medium in the main pipeline 31 can be controlled to flow to the first branch pipeline 32 or the second branch pipeline 33 by adjusting the first control valve 40 so as to control the rod-shaped structure to extend or retract, thereby reducing the operation difficulty of staff.

Specifically, when the first control valve 40 controls the main pipeline 31 to be communicated with the first branch pipeline 32, the medium in the medium supplying device sequentially enters the first medium inlet hole 211 through the main pipeline 31 and the first branch pipeline 32, so that when the medium is input into the accommodating cavity through the first medium inlet hole 211, the medium pushes the piston to move away from the rotating shaft so as to push the crushing structure 22 to extend; when the first control valve 40 controls the main pipeline 31 to be communicated with the second branch pipeline 33, the medium in the medium supplying device sequentially enters the second medium inlet hole 212 through the main pipeline 31 and the second branch pipeline 33, so that when the medium is input into the accommodating cavity through the second medium inlet hole 212, the medium pushes the piston to move towards the rotating shaft to push the crushing structure 22 to retract.

In this embodiment, the first control valve 40 is a manual directional valve, and a worker can control the flow direction of the medium in the main pipe 31 by merely screwing the operation handle of the manual directional valve.

Alternatively, the frame 10 includes at least two uprights 11 and a cross member 12 mounted on each upright 11. Wherein the number of the crushing devices 20 is one, the number of the pipelines 30 is one, and the number of the first control valves 40 is one; alternatively, the number of the crushing devices 20 is plural, the number of the pipelines 30 is plural, the number of the first control valves 40 is plural, the plurality of the crushing devices 20 are arranged at intervals along the extending direction of the cross beam 12, the plurality of the pipelines 30 are arranged in one-to-one correspondence with the plurality of the crushing devices 20, and the plurality of the first control valves 40 are arranged in one-to-one correspondence with the plurality of the pipelines 30. Like this, when breaker 20 is a plurality of, a plurality of breaker 20 can increase the crushing area of crushing equipment, has not only promoted crushing equipment's material crushing rate, has also promoted crushing equipment's material crushing effect. Meanwhile, the setting number of the crushing device 20, the pipeline 30 and the first control valve 40 is more flexible and various to adapt to different working conditions and use requirements, and the processing flexibility of staff is also improved.

In this embodiment, the crushing device 20 is one, the pipeline 30 is one, and the first control valve 40 is one.

It should be noted that the number of the crushing devices 20 is not limited thereto, and may be adjusted according to the working conditions and the use requirements. Alternatively, the crushing device 20 is two, or three, or four, or five, or six, or seven, or more.

It should be noted that the number of the pipelines 30 is not limited thereto, and may be adjusted according to the working conditions and the use requirements. Alternatively, the lines 30 are two, or three, or four, or five, or six, or seven, or more.

It should be noted that the number of the first control valves 40 is not limited thereto, and may be adjusted according to the working conditions and the use requirements. Alternatively, the first control valve 40 is two, or three, or four, or five, or six, or seven, or more.

As shown in fig. 1, the crushing apparatus further comprises a second control valve 50, the second control valve 50 being provided on the main pipe 31 between the first control valve 40 and the medium feeding device for controlling the on-off state of the main pipe 31. Like this, when cylinder body 21 did not rotate to the second position, through the break-make state of second control valve 50 control main line 31 can avoid leading to broken structure 22 to stretch out because staff's maloperation, and then lead to broken structure 22 to smash other equipment, injury staff even, and then promoted broken equipment's safety in utilization.

In the present embodiment, the second control valve 50 is a globe shut-off valve. The manual operation flow of the crushing equipment is as follows: when the large-block material blocks the discharge hole of the self-moving tail, a worker operates the conveying device to stop running, pulls out the locating pin, rotates the cylinder body 21 to the second position, reinserts the locating pin, operates the operating handle of the spherical stop valve to enable the main pipeline 31 to pass, rotates the operating handle of the manual reversing valve at the moment to enable the crushing structure 22 to extend, and after the crushing structure 22 extends completely to crush part of the large-block material, rotates the operating handle of the manual reversing valve again to enable the crushing structure 22 to retract, repeats the process until the large-block material is crushed to the discharge hole capable of passing through the self-moving tail, operates the operating handle of the spherical stop valve to enable the main pipeline 31 to be broken, pulls out the locating pin, rotates the cylinder body 21 to the first position, reinserts the locating pin, and then operates the conveying device to run again.

In this embodiment, the first control valve 40 is a manual directional valve, and an antifriction sleeve is sleeved on an operating handle of the manual directional valve. Like this, antifriction cover can reduce the frictional force between staff's hand and the operating handle to avoid the staff to operate the operating handle of manual switching-over valve for a long time and lead to hand wearing and tearing, and then promoted staff's use experience.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:

the crushing device of crushing equipment sets up in the frame, and crushing device includes cylinder body and crushing structure, and the cylinder body has and holds chamber and opening, and the opening is located the one end of cylinder body and with hold the chamber intercommunication, crushing structure telescopically sets up in holding the intracavity, and crushing portion of crushing structure wears out the back in order to be used for broken material from the opening, wears to establish in cylinder body and frame through the pivot to make the cylinder body rotate for the frame about the pivot, is the contained angle setting between the extending direction of pivot and the direction of motion of crushing structure. Like this, crushing apparatus erects in conveyor's discharge gate department, and when conveyor was in the transportation state, the staff rotated the cylinder body to first position so that breaker dodges the material, and then can avoid taking place to interfere between breaker and the material and influence the normal transport of material. When the bulk material is positioned below the crushing device and blocks the discharge hole, a worker firstly operates the conveying device to stop running and rotates the cylinder body to a second position, so that the moving direction of the crushing part and the conveying direction of the conveying device are mutually perpendicular, the material is prevented from sliding and even flying out under the extrusion action of the crushing part, and the operation safety of the worker is further improved. Then, the crushing device is operated again to start, the crushing part stretches out to crush the large materials into small blocks, so that workers do not need to knock the materials, the operation safety of the workers is improved to a greater extent, the problem that in the prior art, the operation safety of a gangue cleaning method for a self-moving tail discharge hole is low is solved, and the labor intensity of the workers is reduced.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A crushing plant, characterized by comprising:

a frame (10);

the crushing device (20) comprises a cylinder body (21) and a crushing structure (22), wherein the cylinder body (21) is provided with a containing cavity and an opening, the opening is positioned at one end of the cylinder body (21) and is communicated with the containing cavity, the crushing structure (22) is telescopically arranged in the containing cavity, the crushing structure (22) is provided with a crushing part (221), the crushing part (221) penetrates out of the opening to crush materials, so that a rotating shaft penetrates through the cylinder body (21) and the rack (10) to enable the cylinder body (21) to rotate around the rotating shaft relative to the rack (10), and an included angle is formed between the extending direction of the rotating shaft and the moving direction of the crushing structure (22);

wherein, when the conveying device is in a transportation state, the cylinder body (21) rotates to a first position, and the crushing device (20) avoids the materials; when the conveying device is in a stopped conveying state and the material is positioned below the crushing device (20), the cylinder body (21) rotates to a second position, so that the moving direction of the crushing part (221) is perpendicular to the conveying direction of the conveying device, and the crushing part (221) stretches out to crush the material.

2. A crushing plant according to claim 1, wherein,

the frame (10) is provided with at least two mounting holes, at least two mounting holes are arranged at intervals around the rotating shaft, the cylinder body (21) is provided with a matched concave part, and the crushing equipment further comprises a positioning piece;

wherein, when the cylinder body (21) rotates to the first position, the positioning piece is penetrated in at least one mounting hole and the matching concave part to be in limit fit with the matching concave part; when the cylinder body (21) rotates to the second position, the locating piece is arranged in at least one other mounting hole and the matching concave part in a penetrating mode so as to be in limit matching with the matching concave part.

3. The crushing plant of claim 1, further comprising:

the driving device is in driving connection with the cylinder body (21) so as to drive the cylinder body (21) to rotate;

image acquisition means for detecting the height and/or width of the material located below the crushing means (20);

the control module is connected with the image acquisition device, the driving device and the conveying device, and controls the driving device to drive the cylinder body (21) to rotate to the first position according to the acquisition value of the image acquisition device; or the control module controls the driving device to drive the cylinder body (21) to rotate to the second position according to the acquisition value of the image acquisition device, and controls the conveying device to stop running.

4. A crushing plant according to claim 3, characterized in that the crushing structure (22) is a rod-like structure, the end of which projecting into the receiving chamber is provided with a piston, the other end of which has the crushing portion (221), the crushing portion (221) having a bevel; wherein the outer diameter of at least part of the rod-like structure gradually decreases in the direction from the piston to the crushing portion (221).

5. The crushing apparatus of claim 4, further comprising:

a medium supply device communicated with the cylinder body (21), wherein the medium supply device inputs medium into the accommodating cavity and is used for driving the crushing structure (22) to extend or retract;

a pipeline (30), wherein the medium supply device is communicated with the cylinder body (21) through the pipeline (30);

the first control valve (40) is arranged on the pipeline (30) and is used for controlling at least one of medium flow rate, medium flow direction and pipeline on-off state in the pipeline (30);

the first control valve (40) is connected with the control module, and the control module controls the running state of the first control valve (40) according to the acquisition value of the image acquisition device.

6. A crushing plant according to claim 5, wherein,

the cylinder body (21) is provided with a first medium inlet hole (211) and a second medium inlet hole (212) which are communicated with the accommodating cavity, and the first medium inlet hole (211) and the second medium inlet hole (212) are arranged at intervals along the extending direction of the cylinder body (21);

the piston is positioned between the first medium inlet hole (211) and the second medium inlet hole (212);

wherein the pipeline (30) is selectively communicated with the first medium inlet hole (211) and the second medium inlet hole (212), and the rod-shaped structure stretches out when the medium supplying device inputs medium into the accommodating cavity through the first medium inlet hole (211); the rod-like structure is retracted when the medium feeding device feeds medium into the accommodating chamber through the second medium feeding hole (212).

7. The crushing plant according to claim 6, wherein the pipeline (30) comprises:

a main pipe (31), wherein one end of the main pipe (31) is communicated with the medium supply device;

a first branch pipe (32) communicated with the first medium inlet hole (211);

a second branch pipe (33) communicated with the second medium inlet hole (212);

wherein the other end of the main pipe (31) is selectively communicable with the first branch pipe (32) and the second branch pipe (33); the first control valve (40) is arranged on the main pipeline (31) so as to control the main pipeline (31) to be communicated with the first branch pipeline (32) or the second branch pipeline (33) through the first control valve (40).

8. A crushing plant according to claim 5, wherein,

the frame (10) comprises at least two upright posts (11) and a cross beam (12) erected on each upright post (11);

wherein the number of the crushing devices (20) is one, the number of the pipelines (30) is one, and the number of the first control valves (40) is one; or, the crushing device (20) is a plurality of, the pipeline (30) is a plurality of, the first control valve (40) is a plurality of, a plurality of the crushing device (20) are arranged at intervals along the extending direction of the cross beam (12), a plurality of pipelines (30) are arranged in a one-to-one correspondence with a plurality of the crushing devices (20), and a plurality of the first control valves (40) are arranged in a one-to-one correspondence with a plurality of the pipelines (30).

9. The crushing plant of claim 7, further comprising:

and a second control valve (50), wherein the second control valve (50) is arranged on the main pipeline (31) and is positioned between the first control valve (40) and the medium supply device, so as to be used for controlling the on-off state of the main pipeline (31).

10. The crushing plant according to claim 5, characterized in that the first control valve (40) is a manual reversing valve, the operating handle of which is provided with a friction reducing sleeve.