CN217271665U

CN217271665U - Damping base for mining machinery

Info

Publication number: CN217271665U
Application number: CN202221130832.1U
Authority: CN
Inventors: 李永然
Original assignee: Hubei Yongburn Machinery Manufacturing Co ltd
Current assignee: Hubei Yongburn Machinery Manufacturing Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-08-23
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a vibration damping mount for mining machinery, comprising a base plate and a fixing frame, two fixed plates of last fixed surface of mount are connected with, a plurality of spill seats of bottom fixedly connected with of bottom plate, swing joint have the connecting rod in the spill seat, and the one end swing joint of connecting rod has the sliding block, and the slide opening has been seted up to one side of sliding block, and swing joint has first guide bar in the slide opening, and first guide bar is fixed mutually with the fixed plate, the circumference outer wall swing joint of first guide bar has first spring, and just first spring is fixed mutually with two sliding blocks of the same one side respectively, one side fixedly connected with rack of sliding block, the mounting hole has been seted up to one side of sliding block. The utility model discloses not only can let the base let the power dispersion when receiving the power of vibrations, let the base atress more even, can improve the shock attenuation effect of bottom plate moreover, can also improve the stability of device.

Description

Damping base for mining machinery

Technical Field

The utility model relates to a damping technology field for the mining machinery especially relates to a damping mount for the mining machinery.

Background

Along with rapid development of science and technology, high speed of machinery and light weight of structure, a large amount of engineering vibration problems continuously emerge, have aroused the deterioration of mechanical operating condition, production efficiency and operating mass's decline, so vibration damping mount must be used to various large-scale apparatus, lets the apparatus receive to slow down vibrations at the during operation.

Mechanical vibration is often a direct cause of fatigue damage and failure of machinery and structures, mechanical vibration of a belt conveyor below a crusher is more frequent and intense in mining, a common damping device is only used for simply fixing a spring at the bottom of the conveyor to reduce vibration amplitude, stone on the conveyor is not uniformly distributed, stress on the bottom of the conveyor is unbalanced, and the damping effect of the bottom of the conveyor is poor, so that the damping base for the mining machinery is very necessary.

SUMMERY OF THE UTILITY MODEL

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

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

a damping base for mining machinery comprises a bottom plate and a fixed frame, wherein the upper surface of the fixed frame is fixedly connected with two fixed plates, the bottom of the bottom plate is fixedly connected with a plurality of concave seats, the concave seats are internally and movably connected with connecting rods, one ends of the connecting rods are movably connected with sliding blocks, one sides of the sliding blocks are provided with sliding holes, the sliding holes are internally and movably connected with first guide rods, the first guide rods are fixed with the fixed plates, the circumferential outer walls of the first guide rods are movably connected with first springs, the first springs are respectively fixed with the two sliding blocks on the same side, one sides of the sliding blocks are fixedly connected with racks, one sides of the sliding blocks are provided with mounting holes, threaded rods are fixedly connected in the mounting holes, one ends of the threaded rods are movably connected with fixed seats, the fixed seats are fixed with the fixed frame, the circumferential outer wall of the threaded rods are in key connection with gears, and the gear meshes with the rack mutually, the last fixed surface of mount is connected with a plurality of guide rails, and one side swing joint of guide rail has concave piece, and the threaded rod passes concave piece and with concave piece swing joint, the top fixedly connected with guide cylinder of concave piece, the inside swing joint of guide cylinder has the second guide bar, and the top swing joint of second guide bar has the ball, and the ball contacts with the bottom plate, the bottom inner wall fixedly connected with third spring of guide cylinder, and the one end and the second guide bar of third spring are fixed mutually.

As the utility model discloses further scheme again, the bottom fixedly connected with telescopic link of bottom plate, and the one end and the mount of telescopic link are fixed mutually.

As the utility model discloses scheme further again, the circumference outer wall swing joint of telescopic link has the second spring, and the second spring is fixed mutually with bottom plate and mount respectively.

As the utility model discloses scheme further again, one side fixedly connected with strengthening rib of fixed plate, and the strengthening rib is triangle-shaped.

As the utility model discloses scheme further again, a plurality of fixed ears have been seted up to the upper surface of mount, and fixed ear evenly distributed and symmetric distribution are in one side of strengthening rib.

As the utility model discloses scheme further again, the bottom fixedly connected with rubber pad of mount, fixed ear has been seted up to the upper surface of rubber pad, and fixed ear is the same with the position of fixed ear on the mount.

As the utility model discloses scheme further again, the upper surface of bottom plate is equipped with a plurality of anti-skidding lines, and anti-skidding line evenly distributed on the bottom plate.

The utility model has the advantages that:

1. through the cooperation use of guide cylinder and second guide bar, when the bottom plate received vibrations, the bottom plate downstream, and the connecting rod drives the sliding block and slides simultaneously, and the sliding block drives the rack and removes, and the rack drives gear revolve, and the gear drives the threaded rod and rotates, and concave piece and ball slide to all around on slide rail and bottom plate respectively simultaneously, and the second guide bar slides down simultaneously, can make the power dispersion of bottom plate vibrations when receiving vibrations, makes the bottom plate atress more even.

2. Through the setting of third spring, when the bottom plate received vibrations, the bottom plate extrusion second guide bar slided downwards, and second guide bar extrusion third spring, the third spring provides a cushion effect for the bottom plate, has improved the shock attenuation effect of bottom plate.

3. Through the setting of strengthening rib, the strengthening rib is fixed in one side of fixed plate, provides a holding power for the fixed plate, lets the fixed plate more firm fix on the mount, makes the more stable fixing of device on the mount, has improved the stability of device.

Drawings

Fig. 1 is a schematic perspective view of a vibration damping mount for mining machinery according to the present invention;

fig. 2 is a schematic view of a cross-sectional structure of a bottom plate of a vibration damping mount for mining machinery provided by the present invention;

fig. 3 is the utility model provides a damping base's for mining machinery guide cylinder sectional structure schematic diagram.

In the figure: 1. a fixed mount; 2. a rubber pad; 3. fixing the ear; 4. reinforcing ribs; 5. anti-skid lines; 6. a base plate; 7. a threaded rod; 8. a guide rail; 9. a first guide bar; 10. a first spring; 11. a guide cylinder; 12. a gear; 13. a rack; 14. a slider; 15. a connecting rod; 16. a telescopic rod; 17. a second spring; 18. a ball bearing; 19. a second guide bar; 20. a third spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Referring to fig. 1-3, a vibration damping mount for mining machinery comprises a bottom plate 6 and a fixed mount 1, two fixed plates are fixed on the upper surface of the fixed mount 1 through bolts, a plurality of concave seats are fixed on the bottom of the bottom plate 6 through bolts, a connecting rod 15 is rotatably connected in the concave seats, one end of the connecting rod 15 is rotatably connected with a sliding block 14, one side of the sliding block 14 is provided with a sliding hole, a first guide rod 9 is slidably connected in the sliding hole, the first guide rod 9 is fixed with the fixed plates, a first spring 10 is sleeved on the circumferential outer wall of the first guide rod 9, the first spring 10 is respectively fixed with the two sliding blocks 14 on the same side, one side of the sliding block 14 is fixed with a rack 13 through bolts, one side of the sliding block 14 is provided with a mounting hole, a threaded rod 7 is fixed in the mounting hole through bolts, one end of the threaded rod 7 is rotatably connected with a fixed seat, and the fixed seat is fixed with the fixed mount 1, the circumference outer wall key-type connection of threaded rod 7 has gear 12, and gear 12 meshes with rack 13 mutually, the upper surface of mount 1 has a plurality of guide rails 8 through the bolt fastening, one side sliding connection of guide rail 8 has concave piece, and threaded rod 7 passes concave piece and with concave piece threaded connection, the top of concave piece passes through the bolt fastening has guide cylinder 11, the inside sliding connection of guide cylinder 11 has second guide bar 19, the top sliding connection of second guide bar 19 has ball 18, and ball 18 contacts with bottom plate 6, the bottom inner wall welding of guide cylinder 11 has third spring 20, and one end of third spring 20 is fixed with second guide bar 19 mutually, when bottom plate 6 receives vibrations, bottom plate 6 moves downwards, connecting rod 15 drives sliding block 14 to slide simultaneously, sliding block 14 drives rack 13 to move, rack 13 drives gear 12 to rotate, gear 12 drives threaded rod 7 to rotate, at the same time, the concave block and the ball 18 slide on the sliding rail and the bottom plate 6, respectively, and the second guide rod 19 slides downwards.

In the utility model, the bottom of the bottom plate 6 is fixed with a telescopic rod 16 through bolts, one end of the telescopic rod 16 is fixed with the fixed frame 1, the outer wall of the circumference of the telescopic rod 16 is sleeved with a second spring 17, the second spring 17 is respectively fixed with the bottom plate 6 and the fixed frame 1, the second spring 17 can provide a buffer force for the bottom plate 6 when being pressed, one side of the fixed plate is fixed with a reinforcing rib 4 through bolts, the reinforcing rib 4 is triangular, the reinforcing rib 4 is fixed at one side of the fixed plate to provide a supporting force for the fixed plate, so that the fixed plate is more stably fixed on the fixed frame 1, the upper surface of the fixed frame 1 is provided with a plurality of fixing lugs 3, the fixing lugs 3 are uniformly and symmetrically distributed at one side of the reinforcing rib 4, the bottom of the fixed frame 1 is bonded with a rubber pad 2, the upper surface of the rubber pad 2 is provided with fixing lugs 3, and the fixing lugs 3 are in the same position as the fixing lugs 3 on the fixed frame 1, the upper surface of bottom plate 6 is equipped with a plurality of anti-skidding lines 5, and anti-skidding line 5 evenly distributed on bottom plate 6.

The working principle is as follows: when the bottom plate 6 is required to be vibrated, the bottom plate 6 moves downwards, the bottom plate 6 extrudes the second guide rod 19 and the telescopic rod 16 when the bottom plate 6 moves downwards, the second guide rod 19 and the bottom plate 6 extrude the third spring 20 and the second spring 17 simultaneously, the third spring 20 and the second spring 17 provide a buffering force for the bottom plate 6, meanwhile, the bottom plate 6 drives the connecting rod 15 to rotate, the connecting rod 15 drives the sliding block 14 to slide on the first guide rod 9, the sliding block 14 drives the rack 13 to move, the rack 13 drives the gear 12 to rotate, the gear 12 drives the threaded rod 7 to rotate, the threaded rod 7 drives the concave block to slide, the concave block drives the guide cylinder 11 and the second guide rod 19 to move all around, meanwhile, the ball 18 slides at the bottom of the bottom plate 6, and the stress of the bottom plate 6 is more balanced when the bottom plate is vibrated.

The above, only be the embodiment of the preferred 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, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. A damping base for mining machinery comprises a bottom plate (6) and a fixed frame (1), and is characterized in that the upper surface of the fixed frame (1) is fixedly connected with two fixed plates, the bottom of the bottom plate (6) is fixedly connected with a plurality of concave seats, the concave seats are internally and movably connected with connecting rods (15), one ends of the connecting rods (15) are movably connected with sliding blocks (14), one sides of the sliding blocks (14) are provided with sliding holes, the sliding holes are internally and movably connected with first guide rods (9), the first guide rods (9) are fixed with the fixed plates, the outer circumferential wall of each first guide rod (9) is movably connected with a first spring (10), the first spring (10) is respectively fixed with the two sliding blocks (14) on the same side, one side of each sliding block (14) is fixedly connected with a rack (13), one side of each sliding block (14) is provided with a mounting hole, a threaded rod (7) is fixedly connected in the mounting hole, one end of the threaded rod (7) is movably connected with a fixed seat, the fixed seat is fixed with the fixed frame (1), the outer wall of the circumference of the threaded rod (7) is connected with a gear (12), the gear (12) is meshed with a rack (13), the upper surface of the fixed frame (1) is fixedly connected with a plurality of guide rails (8), one side of each guide rail (8) is movably connected with a concave block, the threaded rod (7) penetrates through the concave block and is movably connected with the concave block, the top of the concave block is fixedly connected with a guide cylinder (11), the inside of the guide cylinder (11) is movably connected with a second guide rod (19), the top of the second guide rod (19) is movably connected with a ball (18), the ball (18) is contacted with the bottom plate (6), and the inner wall of the bottom of the guide cylinder (11) is fixedly connected with a third spring (20), and one end of the third spring (20) is fixed with the second guide rod (19).

2. The mining machine shock absorption base according to claim 1, wherein a telescopic rod (16) is fixedly connected to the bottom of the bottom plate (6), and one end of the telescopic rod (16) is fixed to the fixed frame (1).

3. The mining machine shock absorption base according to claim 2, wherein the outer circumferential wall of the telescopic rod (16) is movably connected with a second spring (17), and the second spring (17) is fixed with the bottom plate (6) and the fixed frame (1) respectively.

4. The vibration damping mount for mining machinery according to claim 1, wherein a reinforcing rib (4) is fixedly connected to one side of the fixing plate, and the reinforcing rib (4) is triangular.

5. The vibration damping mount for the mining machine according to claim 4, wherein the fixing frame (1) is provided with a plurality of fixing lugs (3) on the upper surface thereof, and the fixing lugs (3) are uniformly distributed and symmetrically distributed on one side of the reinforcing rib (4).

6. The vibration damping mount for the mining machine according to claim 5, wherein a rubber pad (2) is fixedly connected to the bottom of the fixing frame (1), a fixing lug (3) is formed on the upper surface of the rubber pad (2), and the fixing lug (3) is located at the same position as the fixing lug (3) on the fixing frame (1).

7. The vibration damping mount for mining machinery according to claim 1, wherein the upper surface of the base plate (6) is provided with a plurality of anti-slip threads (5), and the anti-slip threads (5) are uniformly distributed on the base plate (6).