CN110884919A - Material crushing device - Google Patents

Abstract

The invention provides a material crushing device, comprising: the device comprises a base frame, a movable track and a movable space are arranged on the base frame, the movable space is positioned below the movable track, and the length directions of the movable track and the movable space are consistent; the cart assembly is detachably arranged on the moving track, a trolley track is arranged on the cart assembly, and the trolley track extends along the width direction of the moving space; the trolley assembly is arranged on the cart assembly and can move along the trolley track; the lifting device is arranged on the trolley component; the crushing assembly is arranged on the lifting device and driven by the lifting device to lift. The material crushing device disclosed by the invention is used for cleaning the carriage of the open wagon, the efficiency is high, the labor intensity is low, the number of personnel is small, the universality is strong, and the crushing assembly can realize no-dead-angle mechanical loosening treatment on caked materials at the bottom of the carriage of the open wagon with all specifications through the three-dimensional movement.

Description

Material crushing device

technical field

The invention relates to the technical field of cleaning equipment, in particular to a material crushing device.

Background technique

Steel plants, thermal power plants and other logistics departments (or raw material factories) transport materials (coal, minerals, etc.) by train to the logistics area. After the materials in the gondola car are unloaded by the dumper, there are many remaining materials in the car, especially in rainy or freezing conditions. There is a whole piece of hardening or freezing phenomenon, which leads to a large amount of unloading residual material after unloading, and a considerable part of the residual material is concentrated at the bottom of the carriage.

At present, the entire hardened or frozen material at the bottom of the carriage is cleaned manually. The manual cleaning of the gondola carriage has the following problems:

(1) The staffing of on-site cleaning in winter requires as many as 40-50 people, which consumes a lot of human resources;

(2) In winter, it takes 60-90 minutes to clean a single carriage, which is inefficient for cleaning, affects production, and causes the Ministry of Railways to delay the carriage;

(3) During on-site operation, the carriage is constantly being pushed forward, and there are many personnel activities, which has a great potential safety hazard;

(4) The mineral powder residue contains toxic substances, and long-term exposure to on-site dust is detrimental to health.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to provide a material crushing device, which can efficiently clean up the entire piece of hardened or frozen residual material at the bottom of the carriage.

In order to achieve the above object, the present invention provides a material crushing device, comprising: a bottom frame, a moving track and a moving space are arranged on the bottom frame, the moving space is located below the moving track, and the moving track and the The length direction of the moving space is consistent; the cart assembly, the cart assembly is detachably installed on the moving track, the cart assembly is provided with a trolley track, and the cart track is along the width of the moving space direction extension; trolley assembly, the trolley assembly is installed on the trolley assembly and can move along the trolley track; lifting device, the lifting device is installed on the trolley assembly; crushing assembly, the crushing assembly is installed On the lifting device and driven by the lifting device to lift.

Further, the bottom frame includes a first side frame and a second side frame arranged at intervals, the moving space is formed between the first side frame and the second side frame, and the moving rails are two, The two moving rails are respectively arranged at the top ends of the first side frame and the second side frame.

Further, the cart assembly includes: a cart main body, on which the trolley track is arranged; a cart running device, which is arranged at the bottom of the cart main body and erected on the on the moving track.

Further, the cart traveling device includes: a first driving wheel and a first driven wheel, the first driving wheel and the first driven wheel are both installed on the bottom of the cart main body, and the first driving wheel Both the wheel and the first driven wheel are erected on the moving track; the first power device is drivingly connected with the first driving wheel.

Further, the trolley assembly includes: a trolley body; a trolley traveling device, the trolley traveling device is arranged on the trolley body and erected on the trolley track; a lifting device frame, the lifting device frame is connected to the The main bodies of the trolley are fixedly connected together, and the lifting device is installed on the frame of the lifting device.

Further, the trolley traveling device includes: a second driving wheel and a second driven wheel, the second driving wheel and the second driven wheel are mounted on the trolley main body, the second driving wheel and the The second driven wheels are all erected on the trolley track; the second power device is drivingly connected with the second driving wheel.

Further, a lifting rail is provided in the height direction of the lifting device frame, and the lifting device includes: a lifting driving device, and the lifting driving device is installed on the lifting device frame; a lifting support, the lifting device The support is installed on the lifting track through a guide wheel set, and the crushing assembly is installed on the lifting support; a lifting device, the first end of the lifting device is connected with the guide wheel set, and the lifting drive A device is drivingly connected to the second end of the lifting device.

Further, the crushing assembly includes: a mounting flange, which is fixedly connected to the lifting support; a mounting frame, which is fixedly connected to the bottom of the mounting flange; The mounting seat is installed at the bottom of the mounting frame; the crushing mechanism includes a milling cutter and a driving device, the milling cutter is fixed on the bottom of the mounting seat, and the driving device is mounted on the mounting seat and is connected with the mounting seat. The milling cutter is drive connected.

Further, the crushing assembly further includes: a stroke protection device, and the stroke protection device is arranged on the mounting frame.

Further, the stroke guard includes a width stroke guard and a length stroke guard.

Applying the technical solution of the present invention, when using the material crushing device of the present invention for material cleaning, for example, when cleaning the gondola carriage, the gondola carriage is first placed in the moving space, and during the cleaning process, the cart assembly is moved along the moving track , Make the trolley component move along the trolley track, and make the lifting device drive the crushing component to rise and fall, which can drive the crushing component to achieve three-dimensional movement in the moving space, and can crush the hardened and frozen residual materials on the gondola carriage in all directions.

In winter, the frozen material is consolidated in the gondola car, and the material at the bottom of the car is efficiently milled by the material crushing device of the present invention, which can crush the material and separate the material from the gondola car; The materials are bonded into blocks in the carriage of the gondola, and the materials are crushed by the material crushing device of the present invention, and the agglomerated materials are loosened, which can solve the problems of low manual cleaning efficiency, high labor intensity, and many personnel, etc. Generation of people, freeing labor from heavy manual labor.

The material crushing device of the present invention has strong versatility, and the crushing component can realize the mechanical loosening treatment of the agglomerated materials at the bottom of all specifications of gondola cars without dead angle through the above-mentioned three-dimensional movement.

In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail below with reference to the drawings.

Description of drawings

The accompanying drawings forming a part of the present invention are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached image:

Figure 1 schematically shows a first perspective view of the material crushing device of the present invention after it is removed from the chassis;

Figure 2 schematically shows a second perspective view of the material crushing device of the present invention after it is removed from the chassis;

Fig. 3 schematically shows a perspective view of the crushing component of the material crushing device of the present invention;

FIG. 4 schematically shows a perspective view of the material crushing device of the present invention when the gondola car is cleaned.

Wherein, the above-mentioned drawings include the following reference signs:

10, cart assembly; 11, cart traveling device; 111, first driving wheel; 112, first driven wheel; 113, first power unit; 12, cart body; 13, trolley track; 20, crushing assembly; 21. Milling cutter; 22. Mounting seat; 23. Driving device; 24. Width stroke protection device; 25. Length stroke protection device; 26. Mounting frame; 27. Mounting flange; 30. Cart assembly; 31. Cart traveling device ; 311, the second driving wheel; 312, the second power unit; 32, the main body of the trolley; 33, the lifting device frame; 40, the lifting device; 41, the lifting drive device; 42, the lifting device; 50, the bottom frame; 51, the moving track; 52, the moving space; 53, the first side frame; 54, the second side frame; 60, the gondola carriage.

Detailed ways

It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Embodiments are part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terms "first", "second" and the like in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances for the embodiments of the invention described herein. Furthermore, the terms "comprising" and "having" and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those expressly listed Rather, those steps or units may include other steps or units not expressly listed or inherent to these processes, methods, products or devices.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.

Referring to FIGS. 1 to 4 , according to an embodiment of the present invention, a material crushing device is provided. The material crushing device includes a chassis 50 , a cart assembly 10 , a trolley assembly 30 , a lifting device 40 and a crushing assembly 20 .

The bottom frame 50 is provided with a moving track 51 and a moving space 52, the moving space 52 is located below the moving track 51, and the lengths of the moving track 51 and the moving space 52 are consistent; the cart assembly 10 is detachably installed on the moving track 51 , the cart assembly 10 is provided with a cart track 13, and the cart track 13 extends along the width direction of the moving space 52; the cart assembly 30 is mounted on the cart assembly 10 and can move along the cart track 13; the lifting device 40 is mounted on the cart assembly 30 On; the crushing assembly 20 is installed on the lifting device 40 and lifts up and down under the driving of the lifting device 40 .

When using the material crushing device in this embodiment for material cleaning, for example, when cleaning the gondola carriage 60, first place the gondola carriage 60 in the moving space 52, and during the cleaning process, make the cart assembly 10 move along the moving track 51, The trolley assembly is moved along the trolley track 13 and the lifting device 40 drives the crushing assembly 20 to rise and fall, so that the crushing assembly 20 can be driven to achieve three-dimensional movement in the moving space 52, and the hardened and frozen residual materials on the gondola carriage 60 can be completely removed. Orientation is broken.

In winter, the frozen material is consolidated in the gondola car 60, and the material at the bottom of the car is efficiently milled by the material crushing device of the present invention, which can crush the material and separate the material from the gondola car 60; in the rainy season or wet At the same time, the materials are bonded into blocks in the gondola carriage 60, and the materials are crushed by the material crushing device of the present invention, and the agglomerated materials are loosened, which can solve the problems of low manual cleaning efficiency, high labor intensity, and many personnel. , to realize the replacement of humans by machines, and liberate labor from heavy manual labor.

The material crushing device of the present invention has strong versatility, and the crushing component 20 can realize the mechanical loosening treatment of the agglomerated materials at the bottom of the gondola carriage 60 of all specifications without dead angle through the above-mentioned three-dimensional movement.

Referring to FIG. 4 , the bottom frame 50 in this embodiment includes a first side frame 53 and a second side frame 54 arranged at intervals. During actual installation, the first side frame 53 and the second side frame 54 are arranged in parallel, and both The above-mentioned moving space 52 is formed therebetween, which is convenient for moving the gondola carriage 60 into or out of the moving space 52. In this embodiment, there are two moving rails 51, and the two moving rails 51 are respectively arranged on the first At the top of the side frame 53 and the second side frame 54, when the gondola carriage 60 needs to be cleaned, the cart assembly 10 only needs to be erected on the two moving rails 51, and the cart assembly 10 is moved along the moving rails 51, Then, the trolley assembly 30 , the lifting device 40 and the crushing assembly 20 can be driven to move along the moving track 51 , so as to facilitate the cleaning of the gondola carriage 60 .

1 to 4 again, the cart assembly 10 in this embodiment includes a cart main body 12 and a cart traveling device 11, wherein the cart track 13 is provided on the cart body 12; the cart traveling device 11 is provided with At the bottom of the cart main body 12 and erected on the moving rail 51 , it is convenient to drive the cart assembly 10 and the structures on the cart assembly 10 to move along the moving rail 51 .

Specifically, the cart traveling device 11 in this embodiment includes a first driving wheel 111 , a first driven wheel 112 and a first power device 113 , wherein the first driving wheel 111 and the first driven wheel 112 are both installed in the large At the bottom of the vehicle body 12 , the first driving wheel 111 and the first driven wheel 112 are both erected on the moving track 51 ; the first power device 113 is drivingly connected with the first driving wheel 111 . When the first power device 113 drives the first driving wheel 111 to move along the moving track 51 , the first driven wheel 112 also moves along the moving track 51 , which facilitates driving the cart body 12 and the structures on the cart body 12 to move along the moving track 51 . . In actual setting, there are two cart traveling devices 11 in this embodiment, and the two cart traveling devices 11 are respectively installed on the two moving rails 51, which can stably drive the cart main body 12 and the carts on the cart main body 12. structural movement. It can be seen that the cart traveling device 11 of the cart assembly 10 of the present invention can walk straight on the moving track 51 to realize the positioning of the crushing assembly 20 in the length direction of the gondola carriage 60 .

Of course, in other embodiments of the present invention, the cart traveling device 11 may also be provided with a pulley assembly or a cylinder assembly and other structures, as long as other deformation modes under the concept of the present invention are within the protection scope of the present invention Inside.

Preferably, the first power device 113 in this embodiment is a drive structure such as a motor reducer.

1 and 2, the trolley assembly 30 in this embodiment includes a trolley main body 32, a trolley traveling device 31 and a lifting device frame 33, wherein the trolley traveling device 31 is arranged on the trolley main body 32 and erected on the trolley track 13; the lifting device frame 33 is fixedly connected with the trolley main body 32, and the lifting device 40 is installed on the lifting device frame 33.

When the trolley traveling device 31 moves along the trolley track 13 , it is convenient to drive the trolley main body 32 , the lifting device frame 33 and the crushing assembly 20 to move along the width direction of the moving space 52 .

The trolley traveling device 31 includes a second driving wheel 311, a second driven wheel (not shown in the figure) and a second power device 312, wherein the second driving wheel 311 and the second driven wheel are both installed on the trolley main body 32, the first The two driving wheels 311 and the second driven wheel are both erected on the trolley track 13 ; the second power device 312 is drivingly connected with the second driving wheel 311 .

When the second power device 312 drives the second driving wheel 311 to move along the trolley track 13 , the second driven wheel also moves along the trolley track 13 , which facilitates driving the trolley body 32 and the structures on the trolley body 32 to move along the trolley track 13 . In actual setting, there are two trolley running devices 31 in this embodiment, and correspondingly, there are also two trolley tracks 13. The two trolley running devices 31 are respectively installed on the two trolley tracks 13, and can stably drive the trolley main body. 32 and the structural movement on the trolley body 32.

Similarly, the trolley traveling device 31 in this embodiment can also be configured as a pulley assembly, a cylinder assembly, etc., as long as other modifications under the concept of the present invention are within the protection scope of the present invention.

Preferably, the second power unit 312 in this embodiment is a motor reducer.

Referring to FIGS. 1 to 3 , in order to facilitate the lifting and lowering of the crushing assembly 20 , a lifting rail (not shown) is provided in the height direction of the lifting device frame 33 in this embodiment, and the lifting device 40 includes a lifting driving device. 41. Lifting support 43 and lifting device 42, wherein, the lifting driving device 41 is installed on the lifting device frame 33; The first end of the lifting device 42 is connected with the guide wheel group 44 , and the lifting driving device 41 is drivingly connected with the second end of the lifting device 42 .

Preferably, the lift driving device 41 in this embodiment adopts a motor reducer structure, and the lifting device 42 adopts a chain lifting mechanism. When the motor reducer rotates, it can drive the chain to rotate, and then drive the guide wheel set 44 to move along the lifting track. The lifting support 43 can be moved up and down, and then the crushing assembly 20 installed on the lifting support 43 can be moved up and down.

Of course, in other embodiments of the present invention, the lifting device 42 can also be replaced by a linear motion mechanism such as a rack and pinion, hydraulic cylinder lifting, etc., as long as other deformation modes under the concept of the present invention are within the protection scope of the present invention within.

Correspondingly, the power source of the cart traveling device 11 , the trolley traveling device 31 , the lift driving device 41 , and the driving device 23 in the present invention can be hydraulic motors. The cart traveling device 11 and the trolley traveling device 31 can also use a rack and pinion to realize the function of straight-line traveling.

1 to 4 again, the crushing assembly 20 in this embodiment includes a mounting flange 27, a mounting frame 26, a mounting seat 22 and a crushing mechanism, wherein the mounting flange 27 is fixedly connected with the lifting support 43; The frame 26 is fixedly connected to the bottom of the mounting flange 27; the mounting seat 22 is installed at the bottom of the mounting frame 26; The seat 22 is drivingly connected with the milling cutter 21 .

During the work, the milling cutter 21 is driven to rotate by the driving device 23, so that the hardening or freezing on the gondola carriage 60 can be cleaned, which is simple and quick.

In order to prevent the crushing mechanism from colliding with the side wall of the gondola car 60 , the crushing assembly 20 in this embodiment further includes a stroke protection device, which is arranged on the mounting frame 26 and can prevent the crushing assembly from colliding with the side wall of the gondola car 60 . In the event of a collision, the crushing assembly 20 can be prevented from damaging the side wall of the gondola carriage 60 and causing damage to the material crushing device.

Preferably, the stroke protection device in this embodiment includes a length stroke protection device 25 and a width stroke protection device 24. In the actual design process, the length stroke protection device 25 and the width stroke protection device 24 can be set as limit struts, or can be It is set as a structure such as a distance sensor or a proximity switch. When the milling cutter 21 is about to touch the side wall of the gondola carriage 60, the control system controls the material crushing device to stop running, which is safe and reliable.

According to the above embodiments, the cart traveling device 11 of the cart assembly 10 of the present invention can travel straight on the moving track 51 to achieve the positioning of the crushing assembly 20 in the length direction of the gondola carriage 60 . The trolley traveling device 31 of the trolley assembly 30 can walk on the trolley track 13 in a straight line, so as to realize the positioning of the crushing assembly 20 in the width direction of the gondola carriage 60 . The lifting device 40 can be lifted and lowered along the lifting rail of the lifting device frame 33 in the height direction, so as to realize the positioning of the crushing assembly 20 in the height direction of the gondola car 60 .

In the present invention, optional functions can also be added to realize the integral rotary motion of the crushing assembly 20 , which can further improve the rotary milling efficiency of the material at the bottom of the gondola carriage 60 . The specific implementation is as follows: a rotary mechanism is added on the lifting support 43 , and then the milling cutter 21 is connected with the rotary mechanism, so as to realize the integral rotary motion of the crushing assembly 20 .

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

When there is residual material on the gondola carriage, especially in rainy or freezing conditions, the material has the phenomenon of freezing block or sticking into a block, etc. At this time, the rotary milling motion of the milling cutter can mechanically process the above material. In winter, the rotary milling of the milling cutter can break up the frozen block material and separate the material from the bottom of the car. In the rainy season, the rotary milling of the milling cutter can loosen the wet and hardened materials.

The crushing assembly in the present invention obtains the linear motion along the length direction of the gondola car through the linear motion of the cart assembly, obtains the linear motion along the width direction of the carriage through the linear motion of the trolley assembly, and obtains the linear motion along the height direction of the carriage through the linear motion of the lifting device. Linear motion. The crushing component moves in a straight line with the above three axes, and then mills the material at the bottom of the open car through the rapid rotation of the milling cutter, so as to realize the dead-end processing of the material at the bottom of the open car.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the invention unless specifically stated otherwise. Meanwhile, it should be understood that, for the convenience of description, the dimensions of various parts shown in the accompanying drawings are not drawn in an actual proportional relationship. Techniques, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the authorized description. In all examples shown and discussed herein, any specific value should be construed as illustrative only and not as limiting. Accordingly, other examples of exemplary embodiments may have different values. It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further discussion in subsequent figures.

For ease of description, spatially relative terms, such as "on", "over", "on the surface", "above", etc., may be used herein to describe what is shown in the figures. The spatial positional relationship of one device or feature shown to other devices or features. It should be understood that spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or features would then be oriented "below" or "over" the other devices or features under other devices or constructions". Thus, the exemplary term "above" can encompass both an orientation of "above" and "below." The device may also be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

In the description of the present invention, it should be understood that the orientations indicated by orientation words such as "front, rear, top, bottom, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. Or the positional relationship is usually based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and these orientation words do not indicate or imply the indicated device or element unless otherwise stated. It must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be construed as a limitation on the protection scope of the present invention; the orientation words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A material crushing device, comprising:

the device comprises a base frame (50), wherein a moving track (51) and a moving space (52) are arranged on the base frame (50), the moving space (52) is positioned below the moving track (51), and the length directions of the moving track (51) and the moving space (52) are consistent;

the cart assembly (10), the cart assembly (10) is detachably mounted on the moving track (51), a trolley track (13) is arranged on the cart assembly (10), and the trolley track (13) extends along the width direction of the moving space (52);

a trolley assembly (30), wherein the trolley assembly (30) is arranged on the cart assembly (10) and can move along the trolley track (13);

a lifting device (40), said lifting device (40) mounted on said trolley assembly (30);

the crushing assembly (20) is installed on the lifting device (40) and driven by the lifting device (40) to lift.

2. The material crushing device according to claim 1, wherein the base frame (50) comprises a first side frame (53) and a second side frame (54) which are arranged at intervals, the moving space (52) is formed between the first side frame (53) and the second side frame (54), the moving tracks (51) are two, and the two moving tracks (51) are respectively arranged at the top ends of the first side frame (53) and the second side frame (54).

3. A material crushing device according to claim 2, characterized in that the cart assembly (10) comprises:

the cart body (12), the trolley track (13) is arranged on the cart body (12);

the cart running gear (11) is arranged at the bottom of the cart main body (12) and erected on the moving track (51).

4. A material crushing device according to claim 3, characterised in that the cart walking means (11) comprises:

a first driving wheel (111) and a first driven wheel (112), wherein the first driving wheel (111) and the first driven wheel (112) are both installed at the bottom of the cart main body (12), and the first driving wheel (111) and the first driven wheel (112) are both erected on the moving track (51);

the first power device (113), the first power device (113) with the first action wheel (111) drive connection.

5. The material crushing device of claim 1, wherein the trolley assembly (30) comprises:

a cart main body (32);

the trolley travelling device (31), the trolley travelling device (31) is arranged on the trolley main body (32) and erected on the trolley track (13);

the lifting device comprises a lifting device frame (33), the lifting device frame (33) is fixedly connected with the trolley main body (32), and the lifting device (40) is installed on the lifting device frame (33).

6. The material crushing device according to claim 5, characterized in that the trolley walking device (31) comprises:

the trolley comprises a second driving wheel (311) and a second driven wheel, wherein the second driving wheel (311) and the second driven wheel are installed on the trolley main body (32), and the second driving wheel (311) and the second driven wheel are erected on the trolley track (13);

the second power device (312), the second power device (312) with the second action wheel (311) drive connection.

7. A material crushing device according to claim 5, characterised in that the lifting device frame (33) is provided with a lifting track in the height direction, the lifting device (40) comprising:

a lift drive (41), the lift drive (41) being mounted on the lift frame (33);

a lifting support (43), the lifting support (43) being mounted on the lifting rail by a guide wheel set (44), the crushing assembly (20) being mounted on the lifting support (43);

the first end of the lifting device (42) is connected with the guide wheel set (44), and the lifting driving device (41) is in driving connection with the second end of the lifting device (42).

8. The material crushing device of claim 7, wherein the crushing assembly (20) comprises:

the mounting flange (27), the mounting flange (27) is fixedly connected with the lifting support (43);

the mounting frame (26), the mounting frame (26) is fixedly connected to the bottom of the mounting flange (27);

a mounting seat (22), wherein the mounting seat (22) is mounted at the bottom of the mounting rack (26);

the crushing mechanism comprises a milling cutter (21) and a driving device (23), the milling cutter (21) is fixed at the bottom of the mounting seat (22), and the driving device (23) is installed on the mounting seat (22) and is in driving connection with the milling cutter (21).

9. The material crushing device of claim 8, wherein the crushing assembly (20) further comprises:

a travel guard disposed on the mounting bracket (26).

10. A material crusher as claimed in claim 9, characterised in that the stroke guard comprises a width stroke guard (24) and a length stroke guard (25).

Images