CN222314118U - A vibration-proof mechanism for a large excavator platform - Google Patents

Abstract

The utility model relates to the technical field of vibration-proof mechanisms, in particular to a vibration-proof mechanism for a platform of a large excavator, which comprises a fixed seat, wherein an adjusting component is fixedly arranged on the upper surface of the fixed seat, the adjusting component comprises a fixed plate, a plurality of vertical plates are fixedly arranged on the outer side surface of the fixed plate at equal intervals, a rotating plate is rotatably connected to the lower side of the fixed plate positioned on the inner side of the vertical plate, a plurality of sliding grooves are formed in the upper surface of the fixed plate at equal intervals, a first sliding block is connected inside the sliding grooves in a sliding mode, and a plurality of supporting components are fixedly arranged on the outer side surface of the fixed plate. According to the utility model, the vibration reduction mechanism is used for reducing vibration of the cab, after the vibration reduction mechanism is used for a period of time, the reciprocating rebound distance of the vibration reduction mechanism is conveniently adjusted through the adjusting component according to the use requirement, and after the restoring capacity of the spring is reduced and the damper is worn, the vibration reduction effect of the vibration reduction mechanism is maintained, and the collision damage of the cab caused by the damage of the vibration reduction mechanism is reduced.

Description

Vibration-proof mechanism for large excavator platform

Technical Field

The utility model relates to the technical field of vibration-proof mechanisms, in particular to a vibration-proof mechanism of a platform of a large excavator.

Background

In general, an excavator platform has a severe working environment, and in the severe working environment, the vibration of a cab affects the driving comfort of an operator and accelerates the fatigue of the operator, so that with the wide use of an excavator, the operation comfort of the excavator is more and more emphasized, and thus the vibration reduction mechanism of the cab is also particularly important, and the vibration reduction mechanism is mainly formed of a spring and a damper.

The existing excavator platform cab is usually subjected to vibration reduction through a vibration reduction mechanism arranged at the bottom of the existing excavator platform cab, the vibration reduction effect of the vibration reduction mechanism is changed under the influence of a damper and a spring, after the vibration reduction mechanism is used for a period of time, the restoring capacity of the spring and the damper can be worn, so that the vibration reduction effect is poor, and the vibration reduction effect of the vibration reduction mechanism is inconvenient to adjust according to use requirements.

Disclosure of utility model

The utility model aims to provide a vibration-proof mechanism of a large excavator platform, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a large-scale excavator platform vibration prevention mechanism, includes the fixing base, fixed surface installs adjusting part on the fixing base, adjusting part includes the fixed plate, fixed plate outside surface equidistance fixed mounting has a plurality of risers, the fixed plate below is located the riser inboard and rotates and be connected with the revolving board, a plurality of spouts have been seted up to fixed plate upper surface equidistance, the inside sliding connection of spout has a slider, fixed plate outside surface fixed mounting has a plurality of supporting components, supporting component includes fixed mounting in the slide rail of fixed plate outside surface, the inside sliding connection of slide rail has a connecting seat, a connecting seat one side fixed surface installs No. two springs, fixed surface installs the bottom plate on the fixed plate, fixed surface installs a spring on the bottom plate, the bottom plate upper surface is located a spring inside fixed mounting has a attenuator.

The fixing seat is characterized in that a supporting frame is fixedly arranged on the outer side surface of the fixing seat, one end of the supporting frame is fixedly connected with an adjacent sliding rail, and the lower end of the vertical plate is fixedly connected with the fixing seat.

The vertical plate is characterized in that a limiting ring is fixedly arranged below the rotating plate on the inner side surface of the vertical plate, a plurality of arc grooves are formed in the upper surface of the rotating plate at equal intervals, and the first sliding block penetrates through the sliding groove and is in sliding connection with the arc grooves.

The sliding block is characterized in that a motor is fixedly arranged on the upper surface of the fixed seat, the output end of the motor is fixedly connected with the rotating plate, a push plate is fixedly arranged on one side surface of the first sliding block, and the push plate penetrates through one end of the sliding rail.

The sliding rail is internally and slidably connected with a second sliding block, a second damper is fixedly arranged in the second spring on the surface of one side of the first connecting seat, and one end of the second spring and one end of the second damper are fixedly connected with the second sliding block.

The damper is characterized in that a top plate is fixedly arranged at the upper ends of the damper and the spring, a plurality of connecting plates are fixedly arranged on the outer side surfaces of the top plate and the fixed seat, and nuts are movably inserted in the connecting plates.

Preferably, a plurality of second connecting seats are fixedly arranged on the outer side surface of the top plate at equal intervals, and support rods are rotatably connected between the first connecting seats and the second connecting seats.

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

Through the motor operation, drive the rotating plate and rotate, make the arc wall promote slider in the inside slip of spout, make slider promotion push pedal remove, drive slider removal No. two, through the elasticity of No. two springs, top moves connecting seat and moves towards the slide rail outside, drive the roof and move down, press spring and a attenuator, shorten the stroke of both, make No. two springs slowly reset after flexible through No. two attenuators simultaneously, block up spring and a attenuator and damp, thereby damp the driver's cabin through damping mechanism, after damping mechanism uses a period, be convenient for adjust damping mechanism's reciprocal resilience distance through adjusting component according to the operation requirement, after the resilience decline of spring and a attenuator wearing and tearing, keep damping mechanism's damping effect, reduce the driver's cabin that leads to because of damping mechanism damages with a bump the damage.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall split structure of the present utility model;

FIG. 3 is a schematic view of the overall vertical cross-section of the present utility model;

FIG. 4 is a schematic diagram of the overall side cross-sectional structure of the present utility model;

Fig. 5 is a schematic diagram of the split structure of the adjusting component in the utility model.

The device comprises a fixing seat, 101, a supporting frame, 102, a connecting plate, 103, a nut, 2, an adjusting assembly, 201, a fixing plate, 202, a vertical plate, 203, a limiting ring, 204, a sliding groove, 205, a rotating plate, 206, an arc-shaped groove, 207, a first sliding block, 208, a push plate, 209, a motor, 3, a supporting assembly, 301, a sliding rail, 302, a first connecting seat, 303, a second sliding block, 304, a top plate, 305, a second connecting seat, 306, a supporting rod, 307, a bottom plate, 308, a first spring, 309, a first damper, 4, a second spring, 401 and a second damper.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, in an embodiment of the utility model, a vibration-proof mechanism for a platform of a large excavator includes a fixed seat 1, an adjusting component 2 is fixedly mounted on an upper surface of the fixed seat 1, the adjusting component 2 includes a fixed plate 201, a plurality of risers 202 are fixedly mounted on an outer surface of the fixed plate 201 at equal intervals, a rotating plate 205 is rotatably connected to an inner side of the fixed plate 202 below the fixed plate 201, a plurality of sliding grooves 204 are equidistantly formed on an upper surface of the fixed plate 201, a first sliding block 207 is slidably connected to an inner side of the sliding grooves 204, a plurality of supporting components 3 are fixedly mounted on an outer side surface of the fixed plate 201, the supporting components 3 include a sliding rail 301 fixedly mounted on an outer side surface of the fixed plate 201, a first connecting seat 302 is slidably connected to an inner side surface of the sliding rail 301, a second spring 4 is fixedly mounted on an upper surface of the fixed plate 201, a first spring 308 is fixedly mounted on an upper surface of the fixed plate 307, and a first damper 309 is fixedly mounted on an upper surface of the fixed plate 307.

Specifically, the support bar 306 limits the maximum upward movement distance of the top plate 304 by adjusting the unfolding distance of the support assembly 3 by the adjusting assembly 2, thereby maintaining the spring force of the spring by shortening the stroke of the spring after the spring force is lowered.

Example 1

As shown in fig. 1-4, in the embodiment, a second slider 303 is slidingly connected inside a sliding rail 301, a second damper 401 is fixedly mounted inside a second spring 4 on one side surface of a first connecting seat 302, one ends of the second spring 4 and the second damper 401 are fixedly connected with the second slider 303, top plates 304 are fixedly mounted at the upper ends of the first damper 309 and the first spring 308, a plurality of connecting plates 102 are fixedly mounted on the outer side surfaces of the top plates 304 and the fixed seat 1, nuts 103 are movably inserted inside the connecting plates 102, a plurality of second connecting seats 305 are fixedly mounted on the outer side surface of the top plates 304 at equal intervals, and support rods 306 are rotatably connected between the first connecting seats 302 and the second connecting seats 305.

In this embodiment, for convenience of description, taking the case that one end of the No. two springs 4 and one end of the No. two dampers 401 are fixedly connected with the No. two sliding blocks 303 as an example, by the elasticity of the No. two springs 4, the No. one connecting seat 302 is pushed to move towards the outermost side of the sliding rail 301 to drive the top plate 304 to move downwards, the No. one springs 308 and the No. one dampers 309 are pressed to shorten the stroke of the two springs, and meanwhile, the No. two springs 4 are slowly reset after being stretched and retracted by the No. two dampers 401 to block the No. one springs 308 and the No. one dampers 309 for vibration reduction, so that the cab is subjected to vibration reduction by the vibration reduction mechanism, after the vibration reduction mechanism is used for a period of time, the reciprocating rebound distance of the vibration reduction mechanism is conveniently adjusted by the adjusting component 2 according to the use requirement, the vibration reduction effect of the vibration reduction mechanism is maintained after the recovery capacity of the No. one springs 308 and the No. one dampers 309 are worn, and the collision damage to the cab caused by the vibration reduction mechanism is reduced.

In the embodiment, as shown in fig. 3-4, a supporting frame 101 is fixedly installed on the outer surface of a fixed seat 1, one end of the supporting frame 101 is fixedly connected with an adjacent sliding rail 301, the lower end of a vertical plate 202 is fixedly connected with the fixed seat 1, a limiting ring 203 is fixedly installed on the inner surface of the vertical plate 202 below a rotating plate 205, a plurality of arc grooves 206 are formed in the upper surface of the rotating plate 205 at equal intervals, a first sliding block 207 penetrates through the sliding grooves 204 and is in sliding connection with the arc grooves 206, a motor 209 is fixedly installed on the upper surface of the fixed seat 1, the output end of the motor 209 is fixedly connected with the rotating plate 205, a push plate 208 is fixedly installed on one side surface of the first sliding block 207, and the push plate 208 penetrates through one end of the sliding rail 301.

In specific implementation, the motor 209 operates to drive the rotating plate 205 to rotate, so that the arc-shaped slot 206 pushes the first slider 207 to slide inside the sliding slot 204, so that the first slider 207 pushes the push plate 208 to move, and drives the second slider 303 to move, thereby providing power for adjusting the support assembly 3.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides a large-scale excavator platform vibration-proof mechanism, its characterized in that, includes the fixing base, fixed surface installs adjusting part on the fixing base, adjusting part includes the fixed plate, fixed plate outside surface equidistance fixed mounting has a plurality of risers, the fixed plate below is located the inboard rotation of riser and is connected with the revolving plate, a plurality of spouts have been seted up to fixed plate upper surface equidistance, the inside sliding connection of spout has a slider, fixed plate outside surface fixed mounting has a plurality of supporting components, supporting component includes fixed mounting in the slide rail of fixed plate outside surface, the inside sliding connection of slide rail has a connecting seat, a connecting seat one side surface fixed mounting has No. two springs, fixed plate upper surface fixed mounting has the bottom plate, bottom plate upper surface fixed mounting has a spring, bottom plate upper surface is located a spring inside fixed mounting has a attenuator.

2. The vibration-proof mechanism for a platform of a large excavator according to claim 1, wherein the support frame is fixedly installed on the outer side surface of the fixing seat, one end of the support frame is fixedly connected with an adjacent sliding rail, and the lower end of the vertical plate is fixedly connected with the fixing seat.

3. The vibration-proof mechanism for a platform of a large excavator according to claim 1, wherein the inner side surface of the vertical plate is located below the rotating plate and is fixedly provided with a limiting ring, a plurality of arc grooves are formed in the upper surface of the rotating plate at equal intervals, and the first sliding block penetrates through the sliding groove and is in sliding connection with the arc grooves.

4. The vibration-proof mechanism for a platform of a large excavator according to claim 1, wherein a motor is fixedly installed on the upper surface of the fixed seat, the output end of the motor is fixedly connected with the rotating plate, a push plate is fixedly installed on one side surface of the first sliding block, and the push plate penetrates through one end of the sliding rail.

5. The vibration-proof mechanism of a platform of a large excavator according to claim 1, wherein the sliding rail is internally and slidably connected with a second slider, a second damper is fixedly arranged on the surface of one side of the first connecting seat in the second spring, and one end of each of the second spring and one end of each of the second damper are fixedly connected with the second slider.

6. The vibration-proof mechanism for a platform of a large excavator according to claim 1, wherein a top plate is fixedly arranged at the upper ends of the first damper and the first spring, a plurality of connecting plates are fixedly arranged on the outer side surfaces of the top plate and the fixed seat, and nuts are movably inserted in the connecting plates.

7. The vibration-proof mechanism for a platform of a large excavator according to claim 6, wherein a plurality of second connecting seats are fixedly mounted on the outer side surface of the top plate at equal intervals, and support rods are rotatably connected between the first connecting seat and the second connecting seat.