CN218265977U

CN218265977U - Stand damping device for fully-mechanized coal mining hydraulic support

Info

Publication number: CN218265977U
Application number: CN202220797962.4U
Authority: CN
Inventors: 王思宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2023-01-10
Anticipated expiration: 2032-04-07

Abstract

The utility model discloses a stand damping device for hydraulic support is adopted to colliery fully-mechanized, including hydraulic column and cushion socket, hydraulic column bottom parcel has the cushion socket, the cushion socket bottom is provided with the strengthening rib all around, hydraulic column bottom is filled up there is the rubber shock pad, be provided with four group's spring pull rods between hydraulic column and the cushion socket inner wall, the cushion socket inner wall of spring pull rod top is opened has six radial spacing grooves, radial spacing inslot runs through radial gag lever post, radial gag lever post middle part is provided with spring catch, the card is equipped with spacing spring between spring catch and the radial gag lever post, the utility model relates to a stand damping device is adopted to colliery fully-mechanized, through radial gag lever post, spacing spring's setting, can take place when radially rocking at hydraulic column, exert the anti-braking force towards hydraulic column axle center to radial gag lever post through spacing spring, force hydraulic column regression balance to make hydraulic column take place radial skew for a long time and lead to the wearing and tearing appear between hydraulic column and the cushion socket.

Description

Stand damping device for fully-mechanized coal mining hydraulic support

Technical Field

The utility model relates to a damping device correlation technique field specifically is a stand damping device for hydraulic support is adopted to colliery fully-mechanized.

Background

The fully-mechanized mining hydraulic support is a hydraulic power device which generates supporting force by utilizing liquid pressure and realizes automatic movement to support and manage a top plate, is indispensable corollary equipment for comprehensive mechanized coal mining, is mainly used for a horizontal plane and a slowly-inclined thick coal bed with the depth less than or equal to ten degrees along a long-wall fully-mechanized mining face for once caving coal mining and full-height mining of a bottom plate, and is also suitable for a horizontal layered caving coal fully-mechanized mining face of a steeply-inclined super-thick coal bed.

The existing upright post damping device for the hydraulic support is disclosed in patent number CN202021418640.1, and a plurality of damping springs are adopted to damp an upright post, but only longitudinal vibration of the upright post can be relieved, and the radial shaking of the upright post lacks limitation and damping capacity, so that the upright post damping device for the hydraulic support for fully mechanized coal mining is urgently needed to solve the problems provided in the foregoing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stand damping device for hydraulic support is adopted to full-mechanized coal mining to solve the vertical vibrations that stand can only be alleviated to the vertical shock absorber for hydraulic support is adopted to full-mechanized coal mining for the coal mine on the existing market that above-mentioned background art provided, radially rock the problem that lacks restriction and shock-absorbing capacity to the stand.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stand damping device for hydraulic support is adopted to colliery fully-mechanized, includes hydraulic column and cushion socket, hydraulic column bottom parcel has the cushion socket, the cushion socket bottom is provided with the strengthening rib all around, hydraulic column bottom is filled up there is the rubber shock pad, be provided with four group's spring pull rods between hydraulic column and the cushion socket inner wall, the cushion socket inner wall of spring pull rod top is opened there are six radial spacing grooves, radial spacing inslot runs through radial gag lever post, radial gag lever post middle part is provided with spring catch, the card is equipped with spacing spring between spring catch and the radial gag lever post, the one end swing joint that radial gag lever post is close to the hydraulic column has the gyro wheel.

Preferably, the rubber shock pad comprises an upper gasket, a lower gasket is arranged below the upper gasket, a rubber air cushion is arranged between the upper gasket and the lower gasket, and a plurality of rubber upright posts are erected between the upper gasket and the lower gasket.

Preferably, the rubber air cushion is filled with air in a pressurizing mode, and the thin middle sections at the two ends of the rubber upright post are thicker.

Preferably, the spring pull rod comprises a first connecting shaft, the hydraulic upright column is movably connected with a telescopic rod through the first connecting shaft, the telescopic rod is sleeved with a telescopic sleeve, the tail end of the telescopic rod is provided with a spring stop block, a damping spring is clamped between the spring stop block and the telescopic sleeve, and the tail end of the telescopic sleeve is movably connected onto the inner wall of the damping seat through a second connecting shaft.

Preferably, four groups of spring pull rods are arranged, and the first connecting shafts of the four groups of spring pull rods are perpendicular to each other.

Preferably, leave the space between hydraulic column and the cushion socket inner wall, radial spacing groove and radial gag lever post are provided with six groups, and press from both sides sixty degrees angles between the adjacent radial spacing groove, gyro wheel and hydraulic column lateral wall in close contact with, just the contact surface of gyro wheel and hydraulic column is unanimous with hydraulic column lateral wall radian.

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

1. through the arrangement of the rubber shock pad and the spring pull rod, the weight of the hydraulic upright post can be supported through the telescopic rod, the shock absorption spring and the rubber air cushion, so that the hydraulic upright post is not in direct contact with the shock absorption seat and is in elastic contact only, the shock energy transmitted to the shock absorption spring and the rubber air cushion can be absorbed, and only little energy can be transmitted to the hydraulic upright post, so that the influence of external shock on the hydraulic support can be greatly reduced;

2. through the setting of radial gag lever post, spacing spring, can take place when radial rocking at the hydraulic column, exert the reaction force towards the hydraulic column axle center through spacing spring to radial gag lever post, force the hydraulic column to return the balance to make the hydraulic column take place radial offset for a long time and lead to appearing wearing and tearing between hydraulic column and the cushion socket.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic sectional view of the rubber cushion of the present invention;

FIG. 4 is a schematic view of the spring pull rod of the present invention;

fig. 5 is the structure schematic diagram of the radial limiting groove and the radial limiting rod of the present invention.

In the figure: 1. a hydraulic column; 2. a shock absorbing seat; 3. reinforcing ribs; 4. a rubber shock pad; 401. an upper gasket; 402. a lower gasket; 403. a rubber air cushion; 404. a rubber upright post; 5. a spring pull rod; 501. a first connecting shaft; 502. a telescopic rod; 503. a telescopic sleeve; 504. a spring stop; 505. a damping spring; 506. a second connecting shaft; 6. a radial limiting groove; 7. a radial limiting rod; 8. a spring catch; 9. a limiting spring; 10. and a roller.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Referring to fig. 1-5, the present invention provides the following solutions:

example 1:

a pillar damping device for a fully mechanized mining hydraulic support for a coal mine comprises a hydraulic pillar 1 and a damping seat 2, the damping seat 2 wraps the bottom of the hydraulic pillar 1, reinforcing ribs 3 are arranged on the periphery of the bottom of the damping seat 2, a rubber damping pad 4 is padded at the bottom of the hydraulic pillar 1, the rubber damping pad 4 comprises an upper gasket 401, a lower gasket 402 is arranged below the upper gasket 401, a rubber air cushion 403 is arranged between the upper gasket 401 and the lower gasket 402, a plurality of rubber pillars 404 are erected between the upper gasket 401 and the lower gasket 402, the rubber damping pad 4 is padded at the bottom of the hydraulic pillar 1, pressurized air in the rubber air cushion 403 can support the upper gasket 401 so as to support the weight of a part of the hydraulic pillar 1, the rubber pillars 404 between the upper gasket 401 and the lower gasket 402 can also play a certain supporting role, the rubber pillars 404 between two ends of the rubber pillars 404 are thin and thick in the middle, are not easy to bend to one side, and can also play a role in preventing the upper gasket 401 from deflecting to one side, the damping effect of the elastic rubber air cushion 403 is also superior to that of a mechanical spring, so that vibration energy can be well absorbed, and the influence of vibration can be relieved, four groups of spring pull rods 5 are arranged between the hydraulic upright post 1 and the inner wall of the damping seat 2, each spring pull rod 5 comprises a first connecting shaft 501, the hydraulic upright post 1 is movably connected with a telescopic rod 502 through the first connecting shaft 501, a telescopic sleeve 503 is sleeved outside the telescopic rod 502, a spring stop 504 is arranged at the tail end of the telescopic rod 502, a damping spring 505 is clamped between the spring stop 504 and the telescopic sleeve 503, the tail end of the telescopic sleeve 503 is movably connected to the inner wall of the damping seat 2 through a second connecting shaft 506, when the hydraulic upright post 1 is pressed down, the telescopic rod 502 compresses the damping spring 505, so that the hydraulic upright post 1 is not in direct contact with the damping seat 2, only in elastic contact, and vibration energy transmitted to the damping spring 505 can be absorbed, only little energy can be conducted to the hydraulic upright post 1, so that the influence of external vibration on the hydraulic support can be greatly reduced, four groups of spring pull rods 5 are arranged, and the first connecting shafts 501 of the four groups of spring pull rods 5 are mutually vertical.

Example 2:

the utility model provides a colliery is combined and is adopted stand damping device for hydraulic support, 2 inner walls of cushion socket above the spring pull rod 5 are opened there are six radial spacing grooves 6, radial gag lever post 7 has run through in the radial spacing groove 6, radial gag lever post 7 middle part is provided with spring catch 8, spacing spring 9 has been blocked between spring catch 8 and the radial gag lever post 6, radial gag lever post 7 is close to hydraulic column 1's one end swing joint has gyro wheel 10, when hydraulic column 1 takes place radial vibrations, the radial gag lever post 7 of skew direction will compress spacing spring 9, alleviate the radial vibrations energy that absorbs hydraulic column 1, leave the space between hydraulic column 1 and the cushion socket 2 inner wall, be unlikely to striking cushion socket 2 when making hydraulic column 1 take place radial to vibrations, radial gag lever post 6 and radial gag lever post 7 are provided with six groups, and press from the sixty degree angle between the adjacent radial gag lever post 6, can provide the holding power to hydraulic column 1 from a plurality of angles, gyro wheel 10 and hydraulic column 1 lateral wall in close contact, and the contact of hydraulic column 10 and hydraulic column 1 lateral wall unanimous radian just can be in the vertical gyro wheel 10 at hydraulic column 1, avoid hydraulic column 1 side to roll when hydraulic column 1 takes place the friction.

The working principle is as follows: when the upright post damping device for the fully mechanized mining hydraulic support for the coal mine is used, firstly, the telescopic rod 502 is movably connected to the first connecting shaft 501 at the periphery of the hydraulic upright post 1, the telescopic rod 502 and the telescopic sleeve 503 are supported by the damping spring 505, the telescopic rod 502 compresses the damping spring 505 when the hydraulic upright post 1 is pressed down, so that the hydraulic upright post 1 is not in direct contact with the damping seat 2 and only in elastic contact, so that vibration energy transmitted to the damping spring 505 is absorbed, only little energy can be transmitted to the hydraulic upright post 1, so that the influence of external vibration on the hydraulic support can be greatly reduced, the rubber damping pad 4 is arranged at the bottom of the hydraulic upright post 1, pressurized air in the rubber air cushion 403 can support the upper gasket 401, so as to support a part of the weight of the hydraulic upright post 1, and the rubber upright post 404 between the upper gasket 401 and the lower gasket 402 can also play a certain supporting role, and the two ends of the rubber upright 404 are thin and thick in the middle, and are not easy to bend to one side, and can also play a role in preventing the upper gasket 401 from deflecting to one side, the damping effect of the elastic rubber air cushion 403 is better than that of a mechanical spring, so that the vibration energy can be well absorbed, the influence of vibration can be relieved, when the hydraulic upright 1 vibrates radially, the radial limiting rod 7 in the deflecting direction can compress the limiting spring 9 to relieve and absorb the radial vibration energy of the hydraulic upright 1, a gap is reserved between the hydraulic upright 1 and the inner wall of the damping seat 2, so that the hydraulic upright 1 does not collide the damping seat 2 when vibrating radially, six groups of radial limiting grooves 6 and radial limiting rods 7 are arranged, and sixty degrees are formed between the adjacent radial limiting grooves 6, so that the supporting force can be provided for the hydraulic upright 1 from a plurality of angles, and the roller 10 is in close contact with the side wall of the hydraulic upright 1, and the contact surface of the roller 10 and the hydraulic upright post 1 is consistent with the radian of the side wall of the hydraulic upright post 1, so that the roller 10 can roll on the side surface of the hydraulic upright post 1 when the hydraulic upright post 1 vibrates longitudinally, and the sliding friction between the radial limiting rod 7 and the hydraulic upright post 1 is avoided, thus the upright post damping device for the fully-mechanized coal mining hydraulic support is completed.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a colliery is combined and is adopted stand damping device for hydraulic support, includes hydraulic pressure stand (1) and cushion socket (2), its characterized in that: the utility model discloses a hydraulic pressure stand (1) bottom parcel has cushion socket (2), cushion socket (2) bottom is provided with strengthening rib (3) all around, cushion socket (1) bottom has rubber shock pad (4), be provided with four group spring pull rod (5) between hydraulic pressure stand (1) and cushion socket (2) inner wall, cushion socket (2) inner wall of spring pull rod (5) top is opened and is had six radial spacing groove (6), it has radial gag lever post (7) to run through in radial spacing groove (6), radial gag lever post (7) middle part is provided with spring catch (8), the card is equipped with limiting spring (9) between spring catch (8) and radial spacing groove (6), the one end swing joint that radial gag lever post (7) is close to hydraulic pressure stand (1) has gyro wheel (10).

2. The upright post damping device for the fully mechanized coal mining hydraulic support of claim 1, wherein: the rubber shock pad (4) comprises an upper gasket (401), a lower gasket (402) is arranged below the upper gasket (401), a rubber air cushion (403) is arranged between the upper gasket (401) and the lower gasket (402), and a plurality of rubber upright columns (404) are erected between the upper gasket (401) and the lower gasket (402).

3. The upright post damping device for the fully mechanized coal mining hydraulic support of claim 2, wherein: the rubber air cushion (403) is filled with air in a pressurized manner, and the thinner middle sections at the two ends of the rubber upright post (404) are thicker.

4. The upright post damping device for the fully-mechanized coal mining hydraulic support of claim 1, wherein: spring pull rod (5) include first connecting axle (501), hydraulic column (1) has telescopic link (502) through first connecting axle (501) swing joint, telescopic link (502) overcoat has telescopic tube (503), telescopic link (502) end is provided with spring dog (504), the card is equipped with damping spring (505) between spring dog (504) and telescopic tube (503), telescopic tube (503) end is through second connecting axle (506) swing joint on damper seat (2) inner wall.

5. The upright post damping device for the fully-mechanized coal mining hydraulic support of claim 4, wherein: four groups of spring pull rods (5) are arranged, and first connecting shafts (501) of the four groups of spring pull rods (5) are perpendicular to each other.

6. The upright post damping device for the fully mechanized coal mining hydraulic support of claim 1, wherein: leave the space between hydraulic pressure stand (1) and cushion socket (2) inner wall, radial spacing groove (6) and radial gag lever post (7) are provided with six groups, and press from both sides the sixty degree angle between adjacent radial spacing groove (6), gyro wheel (10) and hydraulic pressure stand (1) lateral wall in close contact with, just the contact surface of gyro wheel (10) and hydraulic pressure stand (1) is unanimous with hydraulic pressure stand (1) lateral wall radian.