CN217271665U - Damping base for mining machinery - Google Patents

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

A shock-absorbing base for mining machinery

technical field

The utility model relates to the technical field of shock absorption for mining machinery, in particular to a shock absorption base for mining machinery.

Background technique

With the rapid development of science and technology, the high speed of machinery and the lightening of structure, a large number of engineering vibration problems continue to emerge, causing the deterioration of mechanical working conditions, the decline of production efficiency and work quality, so various large-scale equipment must be used. The shock-absorbing base is used to reduce the vibration of the equipment during operation.

Mechanical vibration is often the direct cause of mechanical and structural fatigue damage and failure. In mining, the mechanical vibration of the belt conveyor below the crusher is more frequent and intense. The commonly used shock absorption device is simply to fix the spring at the bottom of the conveyor to reduce the vibration. However, the distribution of stones on the conveyor is uneven, and the force on the bottom of the conveyor is unbalanced, resulting in poor shock absorption at the bottom of the conveyor. Therefore, it is very necessary to propose a shock absorption base for mining machinery.

Utility model content

The purpose of the utility model is to propose a shock-absorbing base for mining machinery in order to solve the shortcomings existing in the prior art.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A shock-absorbing base for mining machinery, comprising a base plate and a fixing frame, the upper surface of the fixing frame is fixedly connected with two fixing plates, the bottom of the base plate is fixedly connected with a plurality of concave seats, and the concave seats are movably connected There is a connecting rod, one end of the connecting rod is movably connected with a sliding block, one side of the sliding block is provided with a sliding hole, and a first guide rod is movably connected in the sliding hole, and the first guide rod is fixed with the fixing plate, and the first guide rod is fixed with the fixing plate. The circumferential outer wall of the guide rod is movably connected with a first spring, and the first springs are respectively fixed with two sliding blocks on the same side, one side of the sliding blocks is fixedly connected with a rack, and one side of the sliding blocks is opened There is an installation hole, a threaded rod is fixedly connected in the installation hole, and one end of the threaded rod is movably connected with a fixing seat, and the fixing seat is fixed with the fixing frame, the outer circumferential wall of the threaded rod is keyed with a gear, and the gear and the rack are connected. Engagement, a plurality of guide rails are fixedly connected to the upper surface of the fixing frame, a concave block is movably connected to one side of the guide rail, and the threaded rod passes through the concave block and is movably connected to the concave block, and the top of the concave block is fixedly connected There is a guide cylinder, the inside of the guide cylinder is movably connected with a second guide rod, the top of the second guide rod is movably connected with balls, and the balls are in contact with the bottom plate, the bottom inner wall of the guide cylinder is fixedly connected with a third spring, and the first One end of the three springs is fixed with the second guide rod.

As a further solution of the present invention, a telescopic rod is fixedly connected to the bottom of the bottom plate, and one end of the telescopic rod is fixed with the fixing frame.

As a further solution of the present invention, the outer circumferential wall of the telescopic rod is movably connected with a second spring, and the second spring is respectively fixed with the bottom plate and the fixing frame.

As a further solution of the present invention, one side of the fixing plate is fixedly connected with a reinforcing rib, and the reinforcing rib is triangular.

As a further solution of the present invention, the upper surface of the fixing frame is provided with a plurality of fixing ears, and the fixing ears are evenly distributed and symmetrically distributed on one side of the reinforcing rib.

As a further solution of the present invention, the bottom of the fixing frame is fixedly connected with a rubber pad, and the upper surface of the rubber pad is provided with fixing ears, and the fixing ears are in the same position as the fixing ears on the fixing frame.

As a further solution of the present invention, the upper surface of the bottom plate is provided with a plurality of anti-skid patterns, and the anti-skid patterns are evenly distributed on the bottom plate.

The beneficial effects of the present utility model are:

1. Through the cooperation of the guide cylinder and the second guide rod, when the bottom plate is vibrated, the bottom plate moves down, and the connecting rod drives the sliding block to slide, the sliding block drives the rack to move, the rack drives the gear to rotate, and the gear drives the threaded rod. Rotate, while the concave block and the ball slide on the slide rail and the bottom plate respectively, and at the same time the second guide rod slides down, which can disperse the vibration force of the bottom plate when it is subjected to vibration, and make the bottom plate bear more uniform force.

2. Through the setting of the third spring, when the bottom plate is vibrated, the bottom plate squeezes the second guide rod and slides down, the second guide rod squeezes the third spring, and the third spring provides a buffer force for the bottom plate, which improves the performance of the bottom plate. Damping effect.

3. Through the setting of reinforcing ribs, the reinforcing ribs are fixed on one side of the fixed plate to provide a supporting force for the fixed plate, so that the fixed plate can be more stably fixed on the fixed frame, so that the device can be more stably fixed on the fixed frame, improving the stability of the device.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of a kind of shock-absorbing base for mining machinery proposed by the utility model;

Figure 2 is a schematic diagram of the cross-sectional structure of the bottom plate of a shock-absorbing base for mining machinery proposed by the utility model;

3 is a schematic cross-sectional structural diagram of a guide cylinder of a shock absorbing base for mining machinery proposed by the utility model.

In the figure: 1. Fixing frame; 2. Rubber pad; 3. Fixing ear; 4. Reinforcing rib; 5. Anti-skid pattern; 6. Bottom plate; 7. Threaded rod; 8. Guide rail; 9. First guide rod; 10. The first spring; 11, the guide cylinder; 12, the gear; 13, the rack; 14, the sliding block; 15, the connecting rod; 16, the telescopic rod; 17, the second spring; 18, the ball; 19, the second guide rod; 20. The third spring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. It should be noted that, unless otherwise expressly specified and limited, the terms "installation", "connection" and "arrangement" should be understood in a broad sense. For those of ordinary skill in the art, the above terms may be understood in this document according to specific circumstances. The specific meaning in the patent.

1 to 3, a shock-absorbing base for mining machinery includes a base plate 6 and a fixing frame 1. The upper surface of the fixing frame 1 is fixed with two fixing plates by bolts, and the bottom of the base plate 6 is fixed with a plurality of concave plates by bolts. A connecting rod 15 is rotatably connected in the concave seat, 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, and the sliding hole is slidably connected with the first guide rod 9, and The first guide rod 9 is fixed with the fixing plate, and the outer circumferential wall of the first guide rod 9 is sleeved with the first spring 10, and the first spring 10 is respectively fixed with the two sliding blocks 14 on the same side. One side is fixed with the rack 13 by bolts, and one side of the sliding block 14 is provided with a mounting hole, a threaded rod 7 is fixed in the mounting hole by bolts, and one end of the threaded rod 7 is rotatably connected with a fixed seat, and the fixed seat and the fixed frame 1 The outer wall of the threaded rod 7 is connected with a gear 12, and the gear 12 is meshed with the rack 13. The upper surface of the fixing frame 1 is fixed with a plurality of guide rails 8 by bolts, and one side of the guide rail 8 is slidably connected with a concave shape. The threaded rod 7 passes through the concave block and is threadedly connected to the concave block. The top of the concave block is fixed with a guide cylinder 11 by bolts. The inside of the guide cylinder 11 is slidably connected with a second guide rod 19. The top of 19 is slidably connected with balls 18, and the balls 18 are in contact with the bottom plate 6, the bottom inner wall of the guide cylinder 11 is welded with a third spring 20, and one end of the third spring 20 is fixed with the second guide rod 19, when the bottom plate 6 When subjected to vibration, the bottom plate 6 moves downward, and at the same time, the connecting rod 15 drives the sliding block 14 to slide, the sliding block 14 drives the rack 13 to move, the rack 13 drives the gear 12 to rotate, and the gear 12 drives the threaded rod 7 to rotate. The balls 18 slide around on the slide rail and the bottom plate 6 respectively, while the second guide rod 19 slides down.

In the present invention, the bottom of the bottom plate 6 is fixed with a telescopic rod 16 by bolts, and one end of the telescopic rod 16 is fixed with the fixing frame 1 , and the outer circumferential wall of the telescopic rod 16 is sleeved with a second spring 17, and the second springs 17 are respectively Fixed with the bottom plate 6 and the fixing frame 1, the second spring 17 will provide a buffer force for the bottom plate 6 when it is under pressure, and one side of the fixed plate is fixed with a reinforcing rib 4 by bolts, and the reinforcing rib 4 is triangular, and the reinforcing rib 4 It is fixed on one side of the fixed plate to provide a supporting force for the fixed plate, so that the fixed plate can be more stably fixed on the fixed frame 1. The upper surface of the fixed frame 1 is provided with a plurality of fixed ears 3, and the fixed ears 3 are evenly distributed and arranged. Symmetrically distributed on one side of the reinforcing rib 4, the bottom of the fixing frame 1 is bonded with a rubber pad 2, and the upper surface of the rubber pad 2 is provided with a fixing ear 3, and the fixing ear 3 is in the same position as the fixing ear 3 on the fixing frame 1, The upper surface of the bottom plate 6 is provided with a plurality of anti-skid patterns 5 , and the anti-skid patterns 5 are evenly distributed on the bottom plate 6 .

Working principle: When the bottom plate 6 needs to be vibrated, the bottom plate 6 moves down, and the bottom plate 6 squeezes the second guide rod 19 and the telescopic rod 16 while the bottom plate 6 moves down, and the second guide rod 19 and the bottom plate 6 squeeze at the same time. The third spring 20 and the second spring 17, the third spring 20 and the second spring 17 provide a buffer force for the bottom plate 6, and at the same time the bottom plate 6 drives the connecting rod 15 to rotate, and the connecting rod 15 drives the sliding block 14 on the first guide rod 9. Sliding, 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, and the concave block drives the guide cylinder 11 and the second guide rod 19 to rotate. It moves around, and at the same time, the balls 18 slide on the bottom of the bottom plate 6, so that the bottom plate 6 is subjected to a more balanced force when it is vibrated.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (7)

1. A shock-absorbing base for mining machinery, comprising a base plate (6) and a fixing frame (1), characterized in that the upper surface of the fixing frame (1) is fixedly connected with two fixing plates, and the base plate (6) ) bottom is fixedly connected with a plurality of concave seats, a connecting rod (15) is movably connected in the concave seat, one end of the connecting rod (15) is movably connected with a sliding block (14), and one side of the sliding block (14) is opened There is a sliding hole, a first guide rod (9) is movably connected in the sliding hole, and the first guide rod (9) is fixed with the fixing plate, and the circumferential outer wall of the first guide rod (9) is movably connected with a first spring (10), and 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 fixedly connected with the rack (13), and the sliding block (14) is fixedly connected with the rack (13). One side of (14) is provided with a mounting hole, a threaded rod (7) is fixedly connected in the mounting hole, and one end of the threaded rod (7) is movably connected with a fixing seat, and the fixing seat is fixed with the fixing frame (1). The peripheral outer wall of the threaded rod (7) is keyed with a gear (12), and the gear (12) is meshed with the rack (13), and a plurality of guide rails (8) are fixedly connected to the upper surface of the fixing frame (1), One side of the guide rail (8) is movably connected with a concave block, and the threaded rod (7) passes through the concave block and is movably connected with the concave block, and a guide cylinder (11) is fixedly connected to the top of the concave block, and the guide cylinder ( 11) A second guide rod (19) is movably connected to the inside of the second guide rod (19), and a ball (18) is movably connected to the top of the second guide rod (19), and the ball (18) is in contact with the bottom plate (6). The bottom inner wall of 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. A shock-absorbing base for mining machinery according to claim 1, characterized in that a telescopic rod (16) is fixedly connected to the bottom of the bottom plate (6), and one end of the telescopic rod (16) is connected to a fixed frame (1) Phase fixed. 3. A shock-absorbing base for mining machinery according to claim 2, characterized in that a second spring (17) is movably connected to the circumferential outer wall of the telescopic rod (16), and the second springs (17) are respectively It is fixed with the base plate (6) and the fixing frame (1). 4 . The shock absorbing base 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 . 5 . The shock-absorbing base for mining machinery according to claim 4 , wherein a plurality of fixing ears ( 3 ) are provided on the upper surface of the fixing frame ( 1 ), and the fixing ears ( 3 ) are evenly distributed. 6 . And symmetrically distributed on one side of the reinforcing rib (4). 6 . The shock-absorbing base for mining machinery according to claim 5 , wherein a rubber pad ( 2 ) is fixedly connected to the bottom of the fixing frame ( 1 ), and a rubber pad ( 2 ) is provided on the upper surface of the rubber pad ( 2 ). 7 . A fixing ear (3) is provided, and the fixing ear (3) is in the same position as the fixing ear (3) on the fixing frame (1). 7. The shock-absorbing base for mining machinery according to claim 1, wherein the upper surface of the bottom plate (6) is provided with a plurality of anti-skid patterns (5), and the anti-skid patterns (5) are located on the bottom plate (6). 6) Evenly distributed on the top.

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