CN213511886U

CN213511886U - Shock-absorbing device of coal mining machine

Info

Publication number: CN213511886U
Application number: CN202022506621.0U
Authority: CN
Inventors: 黄勇; 雷复来
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-06-22
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a coal-winning machine seismic isolation device, including the coal-winning machine, the lower extreme fixedly connected with supporting baseplate of coal-winning machine, supporting baseplate's lower extreme is equipped with the supporting seat, be connected with a plurality of buffer gear on the interior bottom of supporting seat, it is a plurality of buffer gear's upper end is connected with supporting baseplate respectively, the lower extreme of supporting seat is equipped with the cushion socket, be equipped with the diaphragm in the cushion socket, be equipped with coupling mechanism between supporting seat and the diaphragm, the upper end of diaphragm is equipped with stop gear, coupling mechanism is connected with supporting seat and stop gear respectively, the lower extreme of diaphragm is connected with damper, damper's lower extreme fixedly connected with bottom plate, the lower terminal surface of bottom plate and the interior bottom fixed connection of cushion socket. The utility model discloses a cubic buffering, further increase the stability of device, improved the power of moving away to avoid possible earthquakes of device base, indirect improvement the work efficiency of device.

Description

Shock-absorbing device of coal mining machine

Technical Field

The utility model relates to a coal-winning machine seismic isolation device technical field especially relates to a coal-winning machine seismic isolation device.

Background

The coal mining machine is one of main devices of fully-mechanized complete equipment, the coal mining machine is developed and evolved from a coal cutter, the coal mining machine is a large-scale complex system integrating machinery, electricity and hydraulic pressure into a whole, the working environment is severe, the whole coal mining work can be interrupted if a fault occurs, huge economic loss is caused, the coal mining machine is one of important devices for realizing mechanization and modernization of coal mining production, the mechanical coal mining can reduce physical labor and improve safety, the purposes of high yield, high efficiency and low consumption are achieved, in a long-wall coal mining working face, a working mechanism is used for breaking coal from a coal body and loading the coal into a working face conveyor, and the coal mining machine runs at a set traction speed, so that the coal breaking and coal loading processes can be continuously carried out.

In actual conditions, when the coal mining machine works, a large amount of vibration can be generated by the coal mining machine, so that the working efficiency of the coal mining machine is lowered, but the conventional coal mining machine is too simple in damping and cannot effectively buffer and damp the coal mining machine, so that the normal work of the coal mining machine is influenced.

Therefore, a shock absorbing device for a coal mining machine is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a shock-absorbing device of a coal mining machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a shock absorption device of a coal mining machine comprises the coal mining machine, wherein a supporting bottom plate is fixedly connected to the lower end of the coal mining machine, a supporting seat is arranged at the lower end of the supporting bottom plate, a plurality of buffer mechanisms are connected to the inner bottom of the supporting seat, the upper ends of the buffer mechanisms are respectively connected with the supporting bottom plate, a buffer seat is arranged at the lower end of the supporting seat, a transverse plate is arranged in the buffer seat, a connecting mechanism is arranged between the supporting seat and the transverse plate, a limiting mechanism is arranged at the upper end of the transverse plate, the connecting mechanism is respectively connected with the supporting seat and the limiting mechanism, a shock absorption mechanism is connected to the lower end of the transverse plate, a bottom plate is fixedly connected to the lower end of the shock absorption;

the buffer mechanism comprises a buffer cylinder fixedly connected to the inner bottom of the supporting seat, a buffer spring is fixedly connected to the inner bottom of the buffer cylinder, a buffer plate is fixedly connected to the upper end of the buffer spring, a buffer rod is fixedly connected to the upper end of the buffer plate, the upper end of the buffer rod penetrates through the side wall of the buffer cylinder and extends to the upper side of the buffer cylinder, and the upper end of the buffer rod is connected with the supporting bottom plate;

the connecting mechanism comprises two connecting rods fixedly arranged on the supporting seat and the transverse plate, the upper ends of the two connecting rods are rotatably connected with connecting plates, the two connecting plates are respectively and fixedly connected with the lower end face of the supporting seat, and the lower ends of the two connecting rods are rotatably connected with sliding blocks;

the limiting mechanism comprises a sliding chute arranged at the upper end of the transverse plate, a limiting plate is fixedly connected to the inner bottom of the sliding chute, and limiting springs are fixedly connected to the side walls of the left end and the right end of the limiting plate;

the damping mechanism comprises a plurality of first damping columns fixedly connected to the lower end of the transverse plate, a plurality of damping plates and a plurality of second damping columns fixedly connected to the lower end of each damping plate, and the lower ends of the second damping columns are fixedly connected to the upper end face of the bottom plate respectively.

Preferably, the upper end of the buffer plate is fixedly connected with two tension springs, and the upper ends of the two tension springs are respectively and fixedly connected with the inner top end of the buffer cylinder.

Preferably, a lubricating paste is smeared between the buffer plate and the buffer cylinder.

Preferably, the two sliding blocks are respectively connected with the sliding groove in a sliding mode, and one ends of the two limiting springs are respectively connected with the two sliding blocks.

Preferably, the area of the lower end surface of the supporting seat is smaller than that of the upper end surface of the buffer seat, and the supporting seat can extend to the inside of the buffer seat.

Preferably, the buffer rod and the buffer cylinder are both made of iron, and the buffer spring is made of steel.

Compared with the prior art, the beneficial effects of the utility model are that:

among this device, wherein the buffer cylinder, buffer spring and buffer board's use, can give the initial buffering of device, tension spring can increase the buffer power of buffer board simultaneously, and the connecting rod, the use of slider and spout, can make vertical shaking force become horizontal power, thereby can make the better absorption vibrations of device, further can make the device cushion the shaking force again, later first shock absorber post, shock absorber board and second shock absorber post can carry out the cubic buffering to the shaking force, wherein the device is through the buffering of cubic, further increase the stability of device, the power of moving away to avoid possible earthquakes of device base has been improved, indirect work efficiency who has improved the device.

Drawings

Fig. 1 is a schematic structural view of a shock absorbing device of a coal mining machine according to the present invention;

fig. 2 is a schematic side view of the shock absorbing device of the coal mining machine according to the present invention;

fig. 3 is a schematic view of a connection structure of a support seat, a buffer seat and a support bottom plate in the coal mining machine shock absorbing device provided by the present invention;

fig. 4 is a schematic view of a part a of the enlarged structure in fig. 3.

In the figure: 1 coal-winning machine, 2 supporting baseplate, 3 supporting seats, 4 buffer seats, 5 diaphragm, 6 bottom plates, 7 buffer barrels, 8 buffer springs, 9 buffer plates, 10 buffer rods, 11 connecting plates, 12 connecting rods, 13 sliders, 14 chutes, 15 limiting plates, 16 limiting springs, 17 first shock-absorbing columns, 18 shock-absorbing plates, 19 second shock-absorbing columns and 20 tension springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a shock absorbing device of a coal mining machine comprises a coal mining machine 1, wherein a supporting bottom plate 2 is fixedly connected to the lower end of the coal mining machine 1, a supporting seat 3 is arranged at the lower end of the supporting bottom plate 2, the area of the lower end surface of the supporting seat 3 is smaller than that of the upper end surface of a buffer seat 4, and the supporting seat 3 can extend into the buffer seat 4.

Be connected with a plurality of buffer gear on the interior bottom of supporting seat 3, buffer gear includes buffer cylinder 7 on the bottom in supporting seat 3, fixedly connected with buffer spring 8 on the interior bottom of buffer cylinder 7, buffer spring 8's upper end fixedly connected with buffer board 9, two tension spring 20 of buffer board 9's upper end fixedly connected with, the upper end of two tension spring 20 respectively with the interior top end fixed connection of buffer cylinder 7.

Scribble the lubricating grease between buffer board 9 and the buffer cylinder 7, the upper end fixedly connected with buffer rod 10 of buffer board 9, the lateral wall of buffer cylinder 7 is passed and is extended to its top to the upper end of buffer rod 10, and the upper end of buffer rod 10 is connected with supporting baseplate 2, and a plurality of buffer gear's upper end is connected with supporting baseplate 2 respectively, and the material of buffer rod 10 and buffer cylinder 7 is iron, and buffer spring 8's material is the steel.

The lower extreme of supporting seat 3 is equipped with buffing pad 4, is equipped with diaphragm 5 in the buffing pad 4, is equipped with coupling mechanism between supporting seat 3 and the diaphragm 5, and coupling mechanism is including fixed two connecting rods 12 that set up in supporting seat 3 and diaphragm 5, and the upper end of two connecting rods 12 all rotates and is connected with connecting plate 11, two connecting plates 11 respectively with the lower terminal surface fixed connection of supporting seat 3, and the lower extreme of two connecting rods 12 all rotates and is connected with slider 13.

The upper end of diaphragm 5 is equipped with stop gear, and stop gear is including setting up spout 14 in the upper end of diaphragm 5, fixedly connected with limiting plate 15 on the interior bottom of spout 14, equal fixedly connected with spacing spring 16 on the lateral wall at both ends about limiting plate 15.

The connecting mechanism is respectively connected with the supporting seat 3 and the limiting mechanism, the two sliding blocks 13 are respectively connected with the sliding groove 14 in a sliding mode, and one end of each of the two limiting springs 16 is respectively connected with the two sliding blocks 13.

The lower extreme of diaphragm 5 is connected with damper, damper includes many first shock attenuation post 17 of fixed connection in the diaphragm 5 lower extreme, the lower extreme fixedly connected with shock attenuation board 18 of many first shock attenuation post 17, the lower extreme fixedly connected with second shock attenuation post 19 of polylith shock attenuation board 18, the lower extreme of many second shock attenuation post 19 respectively with the up end fixed connection of bottom plate 6, damper's lower extreme fixedly connected with bottom plate 6, the interior bottom fixed connection of the lower terminal surface of bottom plate 6 and buffing pad 4.

The utility model discloses in, the use of buffer cylinder 7, buffer spring 8 and buffer board 9 can give the initial buffering of device, and tension spring 20 can increase the buffering power of buffer board 9 simultaneously to connecting rod 12, slider 13 and spout 14's use can make vertical vibrations become horizontal power, thereby can make the better absorption vibrations of device, and later first shock strut 17, shock attenuation board 18 and second shock strut 19 can carry out the cubic buffering to vibrations.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A shock absorption device of a coal mining machine comprises the coal mining machine (1) and is characterized in that a supporting bottom plate (2) is fixedly connected to the lower end of the coal mining machine (1), a supporting seat (3) is arranged at the lower end of the supporting bottom plate (2), a plurality of buffer mechanisms are connected to the inner bottom of the supporting seat (3), the upper ends of the plurality of buffer mechanisms are respectively connected with the supporting bottom plate (2), a buffer seat (4) is arranged at the lower end of the supporting seat (3), a transverse plate (5) is arranged in the buffer seat (4), a connecting mechanism is arranged between the supporting seat (3) and the transverse plate (5), a limiting mechanism is arranged at the upper end of the transverse plate (5), the connecting mechanism is respectively connected with the supporting seat (3) and the limiting mechanism, a shock absorption mechanism is connected to the lower end of the transverse plate (5), and a bottom plate (, the lower end surface of the bottom plate (6) is fixedly connected with the inner bottom of the buffer seat (4);

the buffer mechanism comprises a buffer cylinder (7) fixedly connected to the inner bottom of the support seat (3), a buffer spring (8) is fixedly connected to the inner bottom of the buffer cylinder (7), a buffer plate (9) is fixedly connected to the upper end of the buffer spring (8), a buffer rod (10) is fixedly connected to the upper end of the buffer plate (9), the upper end of the buffer rod (10) penetrates through the side wall of the buffer cylinder (7) and extends to the upper side of the buffer cylinder, and the upper end of the buffer rod (10) is connected with the support base plate (2);

the connecting mechanism comprises two connecting rods (12) fixedly arranged on the supporting seat (3) and the transverse plate (5), the upper ends of the two connecting rods (12) are rotatably connected with connecting plates (11), the two connecting plates (11) are respectively and fixedly connected with the lower end face of the supporting seat (3), and the lower ends of the two connecting rods (12) are rotatably connected with sliding blocks (13);

the limiting mechanism comprises a sliding chute (14) arranged at the upper end of the transverse plate (5), a limiting plate (15) is fixedly connected to the inner bottom of the sliding chute (14), and limiting springs (16) are fixedly connected to the side walls of the left end and the right end of the limiting plate (15);

damper includes many first shock attenuation post (17), many of fixed connection in diaphragm (5) lower extreme the lower extreme fixedly connected with shock attenuation board (18) of first shock attenuation post (17), the polylith the lower extreme fixedly connected with second shock attenuation post (19) of shock attenuation board (18), many the lower extreme of second shock attenuation post (19) respectively with the up end fixed connection of bottom plate (6).

2. The shock absorbing device of the coal mining machine as claimed in claim 1, wherein the upper end of the buffer plate (9) is fixedly connected with two tension springs (20), and the upper ends of the two tension springs (20) are respectively and fixedly connected with the inner top end of the buffer cylinder (7).

3. The shock absorbing device for the coal mining machine according to claim 1, wherein a lubricating grease is applied between the buffer plate (9) and the buffer barrel (7).

4. The shock absorbing device of the coal mining machine according to claim 1, wherein the two sliding blocks (13) are respectively connected with the sliding groove (14) in a sliding manner, and one end of each of the two limiting springs (16) is respectively connected with the two sliding blocks (13).

5. The shock absorbing device for the coal mining machine as claimed in claim 1, wherein the area of the lower end surface of the supporting seat (3) is smaller than that of the upper end surface of the buffer seat (4), and the supporting seat (3) can extend into the buffer seat (4).

6. The shock absorbing device for the coal mining machine according to claim 1, wherein the buffer rod (10) and the buffer barrel (7) are both made of iron, and the buffer spring (8) is made of steel.