Mine mining crushing device

By introducing a buffer structure into the ore crushing device, and using dampers and springs to absorb the impact force, the problem of easy vibration of the crushing roller under instantaneous impact is solved, thus achieving the stability of the equipment and the long service life of the components.

CN223732859UActive Publication Date: 2025-12-30DONGWUZHUMUQINQIAERHADA MINE YE CO LTD
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Patent Information

Application Number
CN202522571403.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-03
Publication Date
2025-12-30
Estimated Expiration
2035-12-03

AI Technical Summary

Technical Problem

Existing ore crushing equipment is prone to vibration under instantaneous impact loads, leading to component damage, short service life, and inability to guarantee structural stability.

Method used

The system employs a buffer structure, including a damper and a spring. Instantaneous impact force is transmitted through a support block. Viscous resistance is used to attenuate the amplitude and the spring absorbs kinetic energy to suppress vibration. The force is also decomposed through an adjusting ring and a bidirectional bearing to ensure the stability of the components.

Benefits of technology

It effectively suppresses the vibration of the crushing roller, extends the service life of parts, is suitable for ores of different hardness, and improves the stability and service life of the structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mine mining crushing device, which relates to the technical field of ore crushing devices and comprises a shell, four mounting holes are formed in the outer surface of the shell, supporting blocks are embedded in the four mounting holes, every two supporting blocks form a group, and the opposite surfaces of the two groups of supporting blocks are rotationally connected with crushing rollers through bearings. According to the utility model, when the instantaneous impact force is too high, the two crushing rollers transmit kinetic energy and extrude the four buffer pieces through the two supporting blocks, the four dampers compress the stroke after being stressed, the amplitude is attenuated, the vibration is inhibited and the buffer is provided through viscous resistance, and meanwhile, the four springs compress the stroke and absorb the kinetic energy, so that the situation that the crushing rollers are damaged during mining and transportation is effectively avoided; and the instant impact force borne by the crushing rollers when the ores are extruded is too high, so that the service life of parts is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a mine mining crushing device belongs to ore crushing device technical field. BACKGROUND

[0002] In ore crushing operation, the crushing roller is a core stressed component, which bears instantaneous impact load for a long time, and its dynamic stability directly affects the service life and crushing efficiency of the equipment.

[0003] However, the existing crushing roller mounting structure is simple, and only rotates and connects through bearings and equipment shell. When the instantaneous impact load is large, it is easy to cause equipment vibration and cause damage to parts, cannot guarantee the stability of the structure during production, and the service life of the parts is low. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at the deficiencies of the prior art, and provides a mine mining crushing device, which has the advantages of suppressing vibration, providing buffer, guaranteeing structural stability, preventing excessive instantaneous impact force, and prolonging the service life of parts.

[0005] The utility model realizes the above-mentioned purpose through the following technical scheme, a mine mining crushing device, which comprises a shell, four mounting holes are formed in the outer surface of the shell, support blocks are embedded in the interiors of the four mounting holes, two support blocks form a group, and the opposite surfaces of the two groups of support blocks are rotatably connected with crushing rollers through bearings, and the mine mining crushing device further comprises:

[0006] Four buffers are arranged in the interiors of the four mounting holes and can be compressed under the driving of the support blocks;

[0007] Among them, the two crushing rollers are driven to rotate relative to each other by a driving device, and the two crushing rollers extrude ores, and the instantaneous impact force received by the two crushing rollers is transmitted to the buffers through the support blocks, so that the instantaneous impact force is absorbed.

[0008] Preferably, the buffer comprises:

[0009] A damper is arranged on one side of the support block;

[0010] A spring is arranged in the mounting hole;

[0011] Among them, the spring and the damper work together, the spring and the damper are stressed at the same time, the spring is compressed, the damper attenuates the amplitude through viscous resistance, suppresses vibration, and the spring absorbs impact load.

[0012] By adopting the above technical scheme, the two crushing rollers transmit kinetic energy through the two support blocks, extrude the four buffers, the four dampers are compressed after being stressed, attenuate the amplitude through viscous resistance, suppress vibration, and provide buffer.

[0013] Preferably, the buffer further comprises:

[0014] The adjusting ring is threadedly connected to the outer surface of the damper and has a hexagonal structure.

[0015] By adopting the above technical scheme, the adjusting ring is rotated to adjust the stroke of the spring, and the device can be applied to different hardness ores.

[0016] Preferably, the buffer further comprises:

[0017] The bidirectional bearing is fixed to one side surface of the adjusting ring and the other side is fixed to one end of the spring.

[0018] By adopting the above technical scheme, the bidirectional bearing avoids friction between one end of the spring and the adjusting ring, thereby ensuring the service life of the components.

[0019] Preferably, the buffer further comprises:

[0020] Two connecting blocks are fixed to the two ends of the damper, and one side of each connecting block is rotatably connected to a fixed block. One side surface of one fixed block is fixedly connected to the outer surface of the supporting block, and the other side surface of the other fixed block is fixed to the inner wall surface of the mounting hole.

[0021] The damper is arranged obliquely to the horizontal plane.

[0022] By adopting the above technical scheme, the spring and the damper arranged at an angle of 45° decompose the force into axial and radial components to suppress the yawing. The connecting block and the fixed block are rotatably connected through the rotating shaft. When the supporting block moves, the angle of the damper and the spring is adjusted in real time.

[0023] Preferably, the buffer further comprises:

[0024] The display surface is arranged on the outer surface of the damper, and the outer surface is provided with a stroke table.

[0025] By adopting the above technical scheme, the adjusting ring is rotated by the stroke table arranged on the display surface to accurately adjust the stroke of the spring.

[0026] Preferably, the lower surfaces of the four supporting blocks are each provided with a limiting sliding groove, the interiors of the four limiting sliding grooves are each embedded with a limiting sliding rail, and the lower surfaces of the four limiting sliding rails are fixedly connected to the lower surfaces of the inner walls of the four mounting holes.

[0027] By adopting the above technical scheme, when the supporting block moves, the supporting block slides on the outer surface of the limiting sliding rail through the limiting sliding groove, thereby limiting the movement track of the supporting block.

[0028] Preferably, the inner wall surface of the shell is fixedly connected with two guide plates, and the two guide plates are oppositely arranged.

[0029] By adopting the technical scheme, the two guide plates are inclinedly arranged, and the ore falling into the shell falls between the two crushing rollers under the action of the guide plates.

[0030] The mine crushing device has the advantages that:

[0031] 1. The mine crushing device, the driving device drives the two crushing rollers to rotate relative to each other, so that the ore moves between the two crushing rollers, and the tooth grooves formed on the outer surfaces of the two crushing rollers apply pressure to the ore. When the instantaneous impact force is too high, the two crushing rollers transmit kinetic energy through the two supporting blocks, extrude the four buffer members, and the four dampers are compressed after being stressed. The amplitude is attenuated by viscous resistance, vibration is suppressed, and buffering is provided. At the same time, the four springs are compressed, kinetic energy is absorbed, and the instantaneous impact force received by the crushing roller when extruding the ore is effectively avoided, and the service life of the parts is guaranteed.

[0032] 2. The mine crushing device, when the crushing roller transmits the impact force, the spring and the damper arranged at 45° decompose the force into axial and radial components, suppress the deflection, and adjust the stroke of the spring through the stroke table rotation adjusting ring arranged on the display surface. It can be applied to ores of different hardness, and the bidirectional bearing avoids friction between one end of the spring and the adjusting ring, guarantees the service life of the parts, and improves the stability of the structure. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is a front view of the mine crushing device of the utility model;

[0034] Figure 2 It is a sectional view of the mine crushing device of the utility model;

[0035] Figure 3 It is a structural schematic view of the buffer member of the utility model;

[0036] Figure 4 It is a structural schematic view of the display surface of the utility model;

[0037] Figure 5 It is a structural schematic view of the limiting sliding groove of the utility model;

[0038] In the figure: 1, shell; 2, mounting hole; 3, crushing roller; 4, guide plate; 5, supporting block; 6, limiting sliding rail; 7, buffer member; 701, damper; 702, adjusting ring; 703, spring; 704, connecting block; 705, display surface; 706, stroke table; 707, bidirectional bearing; 8, limiting sliding groove; 9, fixed block. DETAILED DESCRIPTION

[0039] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0040] Embodiment 1

[0041] Please refer to Figures 1-5 As shown in FIG. 1, a mine crushing device includes a shell 1, four mounting holes 2 are formed on the outer surface of the shell 1, support blocks 5 are embedded in the interiors of the four mounting holes 2, two support blocks 5 form a group, and the opposite surfaces of the two groups of support blocks 5 are rotationally connected with crushing rollers 3 through bearings, characterized in that the mine crushing device further includes:

[0042] The buffer members 7 are provided in four, and are arranged in the interiors of the four mounting holes 2, and can be compressed under the driving of the support blocks 5.

[0043] Among them, the two crushing rollers 3 are driven to rotate relative to each other by the driving device, and extrude the ore, and the instantaneous impact force received by the two crushing rollers 3 is transmitted to the buffer members 7 through the support blocks 5, so that the instantaneous impact force is absorbed.

[0044] As some examples, in the present embodiment, the buffer member 7 includes a damper 701 and a spring 703.

[0045] Among them, the damper 701 for buffering is arranged in the interior of the mounting hole 2.

[0046] Among them, the spring 703 for energy absorption is sleeved on the outer surface of the damper 701.

[0047] It should be noted that the adjusting ring 702 is only used to control the initial stroke of the spring 703, so its shape includes but is not limited to rectangle, circle or polygon, and the present application selects hexagon.

[0048] In the present embodiment, the driving device drives the two crushing rollers 3 to rotate relative to each other, so that the ore moves between the two crushing rollers 3, and the pressure is applied to the ore through the tooth grooves formed on the outer surfaces of the two crushing rollers 3. When the instantaneous impact force is too high, the two crushing rollers 3 transmit kinetic energy through the two support blocks 5, extrude the four buffer members 7, the four dampers 701 are compressed after being stressed, the amplitude is attenuated through viscous resistance, the vibration is inhibited, the buffer is provided, at the same time, the four springs 703 are compressed, the kinetic energy is absorbed, the instantaneous impact force received by the crushing roller 3 when extruding the ore in the mine exploitation and transportation is effectively avoided, and the service life of the parts is guaranteed.

[0049] Embodiment 2

[0050] Referring to Figures 1-5 As shown in the embodiment 1, on the basis of the embodiment 1, the buffer 7 of the mine breaking device further comprises:

[0051] The connecting blocks 704 are arranged at two ends of the damper 701, and one side of each of the connecting blocks 704 is rotatably connected with the fixed block 9; one side surface of one of the fixed blocks 9 is fixedly connected with the outer surface of the support block 5, and one side surface of the other fixed block 9 is fixedly connected with the inner wall surface of the mounting hole 2.

[0052] The damper 701 is arranged to be inclined to the horizontal plane.

[0053] The display surface 705 is arranged on the outer surface of the damper 701, and the outer surface is provided with the stroke table 706.

[0054] The lower surface of each of the four support blocks 5 is provided with the limiting sliding groove 8, and the inner part of each of the four limiting sliding grooves 8 is embedded with the limiting sliding rail 6, and the lower surface of each of the four limiting sliding rails 6 is fixedly connected with the inner wall lower surface of the four mounting holes 2.

[0055] The inner wall surface of the shell 1 is fixedly connected with the two guide plates 4, and the two guide plates 4 are arranged oppositely.

[0056] As some examples, in the embodiment, the buffer 7 further comprises: the adjusting ring 702, the connecting block 704, the display surface 705, the stroke table 706 and the bidirectional bearing 707.

[0057] The adjusting ring 702, which plays the role of adjusting the initial stroke of the spring 703, is threadedly connected with the outer surface of the damper 701.

[0058] The display surface 705, which plays the role of facilitating observation, is arranged on the outer surface of the damper 701.

[0059] The connecting block 704, which plays the role of support, is fixedly arranged at two ends of the damper 701 and located on one side of the spring 703.

[0060] The bidirectional bearing 707, which plays the role of anti-friction, is fixedly arranged on the outer surface of the adjusting ring 702.

[0061] The stroke table 706, which plays the role of indication, is arranged on the outer surface of the display surface 705.

[0062] When the crushing roller 3 transmits impact force, the spring 703 and the damper 701 arranged at 45° decompose the force into axial and radial components, inhibit deflection, the stroke table 706 on the display surface 705 is arranged to rotate the adjusting ring 702, the stroke of the spring 703 is accurately adjusted, the device can be applied to ores with different hardness, the bidirectional bearing 707 avoids friction between one end of the spring 703 and the adjusting ring 702, guarantees the service life of the parts, the connecting block 704 and the fixed block 9 are rotatably connected through the rotating shaft, when the support block 5 moves, the angle of the damper 701 and the spring 703 is adjusted in real time, the two guide plates 4 are arranged to be inclined, ores falling into the shell 1 fall between the two crushing rollers 3 under the action of the guide plate 4, when the support block 5 moves, the support block 5 slides on the outer surface of the limiting slide rail 6 through the limiting slide slot 8, the movement track of the support block 5 is limited, and the stability of the structure is improved.

[0063] The implementation principle of the mine crushing device is as follows:

[0064] The driving device drives the two crushing rollers 3 to rotate relative to each other, moves the ores to between the two crushing rollers 3, and applies pressure to the ores through the tooth grooves formed in the outer surfaces of the two crushing rollers 3, when the instantaneous impact force is too high, the two crushing rollers 3 transmit kinetic energy through the two support blocks 5, extrude the four buffer members 7, the four dampers 701 are compressed in stroke after being stressed, the amplitude is attenuated through viscous resistance, vibration is inhibited, buffering is provided, and meanwhile, the four springs 703 are compressed in stroke, kinetic energy is absorbed.

[0065] When the crushing roller 3 transmits impact force, the spring 703 and the damper 701 arranged at 45° decompose the force into axial and radial components, inhibit deflection, the stroke table 706 on the display surface 705 is arranged to rotate the adjusting ring 702, the stroke of the spring 703 is accurately adjusted, the device can be applied to ores with different hardness, the bidirectional bearing 707 avoids friction between one end of the spring 703 and the adjusting ring 702, guarantees the service life of the parts, the connecting block 704 and the fixed block 9 are rotatably connected through the rotating shaft, when the support block 5 moves, the angle of the damper 701 and the spring 703 is adjusted in real time.

[0066] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the foregoing embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the foregoing description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be regarded as limiting the claims to which they relate.

[0067] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A mine mining and crushing device, comprising a shell (1), four mounting holes (2) are formed on the outer surface of the shell (1), support blocks (5) are embedded in the interiors of the four mounting holes (2), two of the support blocks (5) are a group, and the opposite surfaces of the two groups of support blocks (5) are rotatably connected with crushing rollers (3) through bearings. The mine breaking device further comprises: The buffer (7) is provided with four and is arranged inside the four mounting holes (2), and can be compressed under the drive of the support block (5); Among them, two broken rollers (3) are driven to rotate relatively by driving equipment, extruding ore, and the instantaneous impact force received by the two broken rollers (3) is transmitted to the buffer (7) through the support block (5), so that the instantaneous impact force is absorbed.

2. A mine extraction and fragmentation device as claimed in claim 1, characterised in that: The buffer (7) comprises: The damper (701) is arranged on one side of the support block (5); The spring (703) is arranged inside the mounting hole (2); Among them, the spring (703) and the damper (701) work together, the spring (703) and the damper (701) are stressed at the same time, the compression stroke, the damper (701) attenuates the amplitude through the viscous resistance, suppresses the vibration, and the spring (703) absorbs the impact load.

3. A mine extraction and fragmentation device as claimed in claim 2, characterised in that: The buffer (7) further comprises: The adjusting ring (702) is threadedly connected to the outer surface of the damper (701), and the outer contour is a hexagonal structure.

4. A mine extraction and fragmentation device as claimed in claim 1, characterised in that: The buffer (7) further comprises: The bidirectional bearing (707) is fixed to one side surface of the adjusting ring (702), and the other side is fixed to one end of the spring (703).

5. A mine extraction and fragmentation device as claimed in claim 4, characterised in that: The buffer (7) further comprises: The connecting block (704) is provided with two and is fixed to both ends of the damper (701), and one side is rotatably connected with the fixed block (9), one side surface of the fixed block (9) is fixedly connected to the outer surface of the support block (5), and the other side surface of the fixed block (9) is fixed to the inner wall surface of the mounting hole (2); Among them, the damper (701) and the horizontal surface are arranged obliquely.

6. A mine extraction and fragmentation device as claimed in claim 5 wherein: The buffer (7) further comprises: The display surface (705) is arranged on the outer surface of the damper (701), and the outer surface is provided with a stroke table (706).

7. A mine extraction and fragmentation device as claimed in claim 5 wherein: The lower surface of the four support blocks (5) is provided with a limiting sliding groove (8), the inner part of the four limiting sliding grooves (8) is embedded with a limiting sliding rail (6), and the lower surface of the four limiting sliding rails (6) is fixedly connected to the inner wall lower surface of the four mounting holes (2).

8. A mine extraction and fragmentation device as claimed in claim 1, characterised in that: The inner wall surface of the shell (1) is fixedly connected with two guide plates (4), and the two guide plates (4) are arranged oppositely.