CN212377587U - Shock-absorbing base for coal mine machinery - Google Patents

Abstract

The utility model belongs to the technical field of the shock attenuation, especially, a vibration damping mount for coal mine machinery, the on-line screen storage device comprises a base, first activity groove has all been seted up along vertical direction in the top four corners of base, and first activity groove movable mounting has first movable rod, and the one end of four first movable rods all extends to outside the first activity groove and fixed mounting has same place the board, the movable hole has been seted up along vertical direction in the top of base, and the downthehole movable mounting of activity has the second movable rod, and the one end of second movable rod extends to the movable hole outside and with the bottom fixed connection who places the board, all has seted up second activity groove along the horizontal direction in the bottom of activity hole, and second activity groove and activity hole intercommunication, the bottom fixed mounting of second movable rod have the diaphragm that is located the second activity inslot. The utility model discloses simple structure, convenient to use can reach better actual shock attenuation effect through simple spring structure.

Description

Shock-absorbing base for coal mine machinery

Technical Field

The utility model relates to a shock attenuation technical field especially relates to a vibration damping mount for coal mine machinery.

Background

Mechanical devices are of a wide variety, and some of their components, even themselves, may undergo different forms of mechanical movement when the mechanical device is in operation. The mechanical equipment consists of a driving device, a speed changing device, a transmission device, a working device, a braking device, a protection device, a lubricating system, a cooling system and the like. For example, when the coal mine mechanical equipment is in operation, the equipment itself can shake violently, which in the past can cause damage to the equipment, thereby increasing maintenance costs.

The application number is CN 201820674398.0's patent discloses a vibration damping mount for coal mining machinery, comprising a base plate, bottom plate both sides fixed mounting has the backup pad, the relative inboard sliding structure who sets up through the symmetry of backup pad is provided with the carriage release lever, carriage release lever upper end both sides fixed mounting has the bracing piece, upper end of the support bar fixed mounting has the equipment to place the board, the equal fixed mounting in board upper end both sides has the limiting plate is placed to the equipment, the symmetry is provided with first sliding seat on the carriage release lever, and first sliding seat slides and sets up on the carriage release lever, be provided with first spring between the first sliding seat in both sides, first sliding seat both sides all articulate there is the hinge bar, the bottom fixed mounting of the relative inboard in backup pad has two pairs of telescopic links, the. This vibration damping mount for coal mine machinery simple structure uses convenient operation, and the device becomes traditional vertical shock attenuation mode and is horizontal shock attenuation, has improved the shock attenuation effect from this.

However, the damping structure in this equipment is not strong in damping effect in the face of a large amplitude of vibration.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a damping base for coal mine machinery.

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

a shock absorption base for coal mine machinery comprises a base, wherein first movable grooves are formed in four corners of the top of the base in the vertical direction, first movable grooves are movably provided with first movable rods, one ends of the four first movable rods extend out of the first movable grooves and are fixedly provided with a same placing plate, movable holes are formed in the top of the base in the vertical direction, second movable rods are movably mounted in the movable holes, one ends of the second movable rods extend out of the movable holes and are fixedly connected with the bottom of the placing plate, second movable grooves are formed in the bottom of the movable holes in the horizontal direction and are communicated with the movable holes, transverse plates located in the second movable grooves are fixedly mounted at the bottoms of the second movable rods, curved blocks are fixedly mounted at two ends of each transverse plate, first springs are sleeved on the first movable rods, one ends of the first springs are fixed on the inner walls of the first movable grooves, the other end is fixed on the first movable rod.

Preferably, the second movable rod is sleeved with a second spring, one end of the second spring is fixed on the inner wall of the movable hole, and the other end of the second spring is fixed on the second movable rod.

Preferably, equal fixed mounting has fixed horizontal pole on the both sides inner wall of second movable groove, the third movable groove in addition is all seted up along the horizontal direction in one side that two fixed horizontal poles are close to each other, equal movable mounting has the third movable rod in two third movable grooves, the one end that two third movable rods are close to each other all extends to the third movable groove outside and all rotates and installs the gyro wheel, the gyro wheel just contacts with the curved surface piece with curved surface piece looks adaptation, the third spring has all been cup jointed on the third movable rod, the one end of third spring is fixed on the inner wall of third movable groove, the other end is fixed on the third movable rod.

Preferably, the bottom of diaphragm fixed mounting has a plurality of compression spring's one end, and compression spring's the other end all is fixed on the bottom inner wall of second activity groove.

Preferably, four corners of the bottom of the base are fixedly provided with damping blocks.

The utility model discloses in, a vibration damping mount for coal mine machinery, through placing mechanical article on placing the board, through the effect of gravity, it moves down to drive first movable rod, effect through first spring has reached and the shock attenuation, when driving the second movable rod and move down, effect through the second spring has reached the second grade shock attenuation, move down through the second movable rod, make diaphragm extrusion compression spring, tertiary shock attenuation has been reached, it moves down to drive the diaphragm through the second movable rod, the diaphragm drives moving down of two curved blocks, drive curved block extrusion gyro wheel, make the gyro wheel move left or right, effect through the third spring has reached the level four shock attenuation, four snubber blocks through the base bottom have reached five grades of absorbing effects. The utility model discloses simple structure, convenient to use can reach better actual shock attenuation effect through simple spring structure.

Drawings

Fig. 1 is a schematic structural view of a vibration damping mount for coal mine machinery according to the present invention;

fig. 2 is a schematic structural view of a part a of a vibration damping mount for a coal mine machine according to the present invention;

fig. 3 is the utility model provides a part B schematic structure of vibration damping mount for coal mine machinery.

In the figure: the base 1, 2 place board, 3 second springs, 4 second movable rods, 5 activity holes, 6 second activity grooves, 7 diaphragm, 8 compression spring, 9 snubber blocks, 10 first spring, 11 first movable rods, 12 first activity grooves, 13 curved surface piece, 14 gyro wheels, 15 third spring, 16 third movable rods, 17 third activity grooves, 18 fixed horizontal poles.

Detailed Description

In the technical scheme:

3. 4, 7, 11, 10, 13, 14, 15, 16 are substantial innovative components of the present invention.

4. 7 is the realization the utility model discloses technical scheme is essential connectivity component.

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.

Example one

Referring to fig. 1-3, a shock-absorbing base for coal mine machinery comprises a base 1, wherein four corners of the top of the base 1 are provided with first movable grooves 12 along the vertical direction, the first movable grooves 12 are movably provided with first movable rods 11, one ends of the four first movable rods 11 extend out of the first movable grooves 12 and are fixedly provided with a same placing plate 2, the top of the base 1 is provided with movable holes 5 along the vertical direction, second movable rods 4 are movably arranged in the movable holes 5, one ends of the second movable rods 4 extend out of the movable holes 5 and are fixedly connected with the bottom of the placing plate 2, the bottom of the movable holes 5 are provided with second movable grooves 6 along the horizontal direction, the second movable grooves 6 are communicated with the movable holes 5, the bottom of the second movable rods 4 is fixedly provided with a transverse plate 7 positioned in the second movable grooves 6, two ends of the transverse plate 7 are both fixedly provided with curved blocks 13, first spring 10 has all been cup jointed on the first movable rod 11, and the one end of first spring 10 is fixed on the inner wall of first activity groove 12, and the other end is fixed on first movable rod 11.

Example two

Referring to fig. 1-3, a vibration damping mount for coal mine machinery, the utility model discloses in, cup jointed second spring 3 on the second movable rod 4, the one end of second spring 3 is fixed on the inner wall of activity hole 5, and the other end is fixed on second movable rod 4, when driving second movable rod 4 and move down, has reached the second grade shock attenuation through the effect of second spring 3.

In the utility model, the inner walls of the two sides of the second movable groove 6 are all fixedly provided with fixed cross bars 18, one side of the two fixed cross bars 18 which are close to each other is provided with a third movable groove 17 along the horizontal direction, third movable rods 16 are movably arranged in the two third movable grooves 17, one end of the two third movable rods 16 which are close to each other is extended out of the third movable groove 17 and is all rotatably provided with a roller 14, the roller 14 is matched with a curved surface block 13 and is contacted with the curved surface block 13, the third movable rods 16 are all sleeved with third springs 15, one end of each third spring 15 is fixed on the inner wall of the third movable groove 17, the other end is fixed on the third movable rod 16, the transverse plate 7 is driven to move downwards by the second movable rod 4, the transverse plate 7 drives the two curved blocks 13 to move downwards, the curved blocks 13 are driven to extrude the roller 14, so that the roller 14 moves leftwards or rightwards, and four-stage damping is achieved by the action of the third spring 15.

The utility model discloses in, the bottom fixed mounting of diaphragm 7 has a plurality of compression spring 8's one end, and compression spring 8's the other end is all fixed on the bottom inner wall of second movable groove 6, through moving down of second movable rod 4 for diaphragm 7 extrudes compression spring 8, has reached tertiary shock attenuation.

The utility model discloses in, the equal fixed mounting in bottom four corners of base 1 has snubber block 9, has reached five grades of absorbing effects through four snubber blocks 9 of base 1 bottom.

The utility model discloses in, through placing mechanical article on placing board 2, through the effect of gravity, it moves down to drive first movable rod 11, effect through first spring 10 has reached and the shock attenuation, when driving second movable rod 4 and move down, effect through second spring 3 has reached the second grade shock attenuation, move down through second movable rod 4, make diaphragm 7 extrusion compression spring 8, tertiary shock attenuation has been reached, it moves down to drive diaphragm 7 through second movable rod 4, diaphragm 7 drives moving down of two curved surface blocks 13, it extrudees gyro wheel 14 to drive curved surface block 13, make gyro wheel 14 move left or right, effect through third spring 15 has reached the level four shock attenuation, four snubber blocks 9 through base 1 bottom have reached five grades of absorbing effects. The utility model discloses simple structure, convenient to use can reach better actual shock attenuation effect through simple spring structure.

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 (5)

1. A shock absorption base for coal mine machinery comprises a base (1) and is characterized in that first movable grooves (12) are formed in four corners of the top of the base (1) in the vertical direction, first movable rods (11) are movably mounted in the first movable grooves (12), one ends of the four first movable rods (11) extend out of the first movable grooves (12) and are fixedly mounted with a same placing plate (2), movable holes (5) are formed in the top of the base (1) in the vertical direction, second movable rods (4) are movably mounted in the movable holes (5), one ends of the second movable rods (4) extend out of the movable holes (5) and are fixedly connected with the bottom of the placing plate (2), second movable grooves (6) are formed in the bottom of the movable holes (5) in the horizontal direction, the second movable grooves (6) are communicated with the movable holes (5), and transverse plates (7) located in the second movable grooves (6) are fixedly mounted at the bottom of the second movable rods (4), the equal fixed mounting in both ends of diaphragm (7) has curved surface piece (13), all cup jointed first spring (10) on first movable rod (11), the one end of first spring (10) is fixed on the inner wall of first activity groove (12), and the other end is fixed on first movable rod (11).

2. The vibration damping mount for the coal mine machinery according to claim 1, wherein the second movable rod (4) is sleeved with a second spring (3), one end of the second spring (3) is fixed on the inner wall of the movable hole (5), and the other end of the second spring is fixed on the second movable rod (4).

3. The vibration damping base for the coal mine machinery according to claim 1, wherein the inner walls of two sides of the second movable groove (6) are fixedly provided with fixed cross rods (18), one side, close to each other, of each of the two fixed cross rods (18) is provided with a third movable groove (17) along the horizontal direction, the two third movable grooves (17) are internally and movably provided with third movable rods (16), one ends, close to each other, of the two third movable rods (16) extend to the outside of the third movable grooves (17) and are rotatably provided with idler wheels (14), the idler wheels (14) are matched with the curved blocks (13) and are in contact with the curved blocks (13), the third movable rods (16) are sleeved with third springs (15), one ends of the third springs (15) are fixed to the inner walls of the third movable grooves (17), and the other ends of the third movable rods (16).

4. The vibration damping base for the coal mine machinery as claimed in claim 1, wherein one end of a plurality of compression springs (8) is fixedly mounted at the bottom of the transverse plate (7), and the other end of each compression spring (8) is fixed on the inner wall of the bottom of the second movable groove (6).

5. The shock absorption base for the coal mine machinery as claimed in claim 1, wherein shock absorption blocks (9) are fixedly mounted at four corners of the bottom of the base (1).

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