CN214884011U

CN214884011U - Anti-rolling platform mechanism of small excavator

Info

Publication number: CN214884011U
Application number: CN202120995444.9U
Authority: CN
Inventors: 张黄建
Original assignee: Jiangyin Runye Heavy Industry Machinery Co ltd
Current assignee: Jiangyin Runye Heavy Industry Machinery Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-11-26
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a small-size excavator platform mechanism that rolls, the on-line screen storage device comprises a base, the upper surface swing joint of base has the carousel, and the last fixed surface of carousel is connected with work platform, and work platform's last fixed surface is connected with the protecting crust, one side inner wall fixedly connected with pneumatic cylinder of protecting crust, work platform's the first trapezoidal guide rail of last fixed surface connection, one side swing joint of first trapezoidal guide rail has the second balancing weight, two trapezoidal guide rails of last fixed surface of work platform is connected with. The utility model discloses not only can use through the cooperation of first balancing weight and second balancing weight, weight distribution is even around making the excavator platform, has improved the security of device, can make the heat in the headstock obtain giving off through the heat dissipation otter board simultaneously, has improved the radiating effect of device, can also avoid first balancing weight to shift out the trapezoidal guide rail of second through the stopper, has improved the result of use of device.

Description

Anti-rolling platform mechanism of small excavator

Technical Field

The utility model relates to an excavator technical field especially relates to a platform mechanism that rolls is prevented to mini-excavator.

Background

An excavator is also called as a digger, is an earth moving machine which excavates materials higher or lower than a bearing surface by a bucket and loads the materials into a transport vehicle or unloads the materials to a stockyard, is mostly used for excavating the materials such as soil, coal, silt and the like, and has the advantages of small influence on the surrounding environment, low pollution and the like which are gradually favored by people, so people often excavate and transport the materials by using an excavator bucket on the excavator.

The excavator is characterized in that the excavator head on the excavator is heavy, the weight of an object needing to be excavated is usually also large, when normal excavation operation is carried out, the front weight and the rear weight of an excavator platform are not uniformly distributed, the front excavator bucket side is heavy, the excavator is easy to overturn, certain potential safety hazards exist, and therefore the small excavator anti-rolling platform mechanism is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an anti-rolling platform mechanism of a mini excavator.

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

the utility model provides a small-size excavator anti-roll platform mechanism, includes the base, the upper surface swing joint of base has the carousel, and the last fixed surface of carousel is connected with work platform, work platform's last fixed surface is connected with the protecting crust, one side inner wall fixedly connected with pneumatic cylinder of protecting crust, the first trapezoidal guide rail of last fixed surface of work platform, one side swing joint of first trapezoidal guide rail have the second balancing weight, and the second balancing weight with the one end of pneumatic cylinder hydraulic stem fixed mutually, two trapezoidal guide rails of last fixed surface of work platform are connected with, the equal swing joint in one side of two trapezoidal guide rails of second has first balancing weight, and the upper surface swing joint of first balancing weight has the connecting rod, and the connecting rod is fixed mutually with the second balancing weight.

Furthermore, the top outer wall fixedly connected with oil tank of protecting crust, the top outer wall fixedly connected with headstock of protecting crust.

Furthermore, a heat dissipation port is formed in one side of the power box, and a heat dissipation screen plate is fixedly connected in the heat dissipation port.

Furthermore, work platform's last fixed surface is connected with a plurality of support columns, and wherein the headstock is passed to two one end of support column, the top fixedly connected with sunshade of support column.

Furthermore, one side of the working platform is fixedly connected with a force arm, one side of the force arm is movably connected with a bucket, and the upper surface of the working platform is fixedly connected with a protective guard.

Furthermore, one end of the second trapezoidal guide rail is fixedly connected with a limiting block, and one side of the first trapezoidal guide rail is fixedly connected with a rubber pad.

Furthermore, one side fixedly connected with spring of first balancing weight, and the spring is fixed mutually with the stopper.

Furthermore, the upper surface of the working platform is fixedly connected with a seat, and the upper surface of the working platform is provided with a control rod.

The utility model has the advantages that:

1. use through the cooperation of first balancing weight and second balancing weight, when the bucket of excavator is heavier, start the pneumatic cylinder, the pneumatic cylinder extension makes the second balancing weight move suitable position along first trapezoidal guide rail backward to make the first balancing weight of connecting rod pulling move suitable position along the trapezoidal guide rail of second backward, and then make excavator platform front and back weight distribution even, avoid preceding bucket to make the excavator take place the upset heavier easily, improved the security of device.

2. Through the setting of installing the stopper on the trapezoidal guide rail of second, the stopper can restrict the position on the first balancing weight on the trapezoidal guide rail of second, avoids first balancing weight to shift out the trapezoidal guide rail of second and influences the use of device, has improved the limiting action of device.

3. Through the setting of installation heat dissipation otter board on the headstock, the heat that the heat dissipation otter board can make the spare part during operation in the headstock produce is given off, avoids the high temperature in the headstock to lead to spare part to damage, has improved the radiating effect of device.

4. Through the setting of installation spring on first balancing weight, when needs move first balancing weight forward, the pneumatic cylinder shortens to make the second balancing weight drive first balancing weight and moves forward, and the extension of springback of the spring can promote first balancing weight and move forward to remove it and carry out the helping hand, improved the result of use of device.

Drawings

Fig. 1 is a schematic front view structural diagram of an anti-rolling platform mechanism of a small excavator provided by the utility model;

FIG. 2 is a schematic view of a cross-sectional structure of a protective shell of an anti-rolling platform mechanism of a small excavator according to the present invention;

fig. 3 is the utility model provides a local enlarged structure schematic diagram of platform mechanism that rolls is prevented to small-size excavator.

In the figure: 1. excavating a bucket; 2. a force arm; 3. a support pillar; 4. a sunshade; 5. a heat dissipation screen plate; 6. an oil tank; 7. a protective shell; 8. a power box; 9. a working platform; 10. a base; 11. a turntable; 12. a seat; 13. a control lever; 14. protecting the fence; 15. a hydraulic cylinder; 16. a first weight block; 17. a connecting rod; 18. a first trapezoidal guide rail; 19. a rubber pad; 20. a second counterweight block; 21. a limiting block; 22. a spring.

Detailed Description

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. 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, an anti-rolling platform mechanism of a mini excavator comprises a base 10, a rotary table 11 is rotatably connected to the upper surface of the base 10, a working platform 9 is fixed to the upper surface of the rotary table 11 through bolts, a protective shell 7 is fixed to the upper surface of the working platform 9 through bolts, the protective shell 7 can protect parts inside the protective shell, and the parts are prevented from being damaged due to external force impact, a hydraulic cylinder 15 is fixed to the inner wall of one side of the protective shell 7 through bolts, a first trapezoidal guide rail 18 is fixed to the upper surface of the working platform 9 through bolts, a second balancing weight 20 is slidably connected to one side of the first trapezoidal guide rail 18, one end of the second balancing weight 20 and one end of a hydraulic rod of the hydraulic cylinder 15 are fixed, two second trapezoidal guide rails are fixed to the upper surface of the working platform 9 through bolts, and a first balancing weight 16 is slidably connected to one side of each of the two second trapezoidal guide rails, the upper surface of first balancing weight 16 rotates and is connected with connecting rod 17, and connecting rod 17 is fixed mutually with second balancing weight 20, when the front portion of excavator is heavier, start hydraulic cylinder 15, pneumatic cylinder 15 extends and makes second balancing weight 20 along first trapezoidal guide rail 18 rearward movement to suitable position, thereby make connecting rod 17 pull first balancing weight 16 along second trapezoidal guide rail rearward movement to suitable position, and then make excavator platform front and back weight distribution even, avoid the front portion of excavator heavier to make the excavator take place the upset easily.

In the utility model, it is to be noted that an oil tank 6 is fixed on the outer wall of the top of a protective shell 7 through bolts, a power box 8 is fixed on the outer wall of the top of the protective shell 7 through bolts, a heat dissipation port is arranged on one side of the power box 8, a heat dissipation screen plate 5 is fixed in the heat dissipation port through bolts, the heat dissipation screen plate 5 can dissipate the heat generated by the working of the components in the power box 8, the damage of the components caused by overhigh temperature in the power box 8 is avoided, a plurality of support columns 3 are fixed on the upper surface of a working platform 9 through bolts, one ends of two support columns 3 pass through the power box 8 and the protective shell 7, a sunshade 4 is fixed on the top end of the support column 3 through bolts, the sunshade 4 can shade the worker, the sunburn caused by heavy sunshine during the working is avoided, a force arm 2 is fixed on one side of the working platform 9 through bolts, one side of the force arm 2 is rotatably connected with a digging bucket 1, the upper surface of the working platform 9 is fixed with a protective guard 14 through bolts, one end of the second trapezoidal guide rail is fixed with a limiting block 21 through bolts, the limiting block 21 can limit the position of the first balancing weight 16 on the second trapezoidal guide rail, the first balancing weight 16 is prevented from moving out of the second trapezoidal guide rail to influence the use of the device, one side of the first trapezoidal guide rail 18 is bonded with a rubber pad 19, one side of the first balancing weight 16 is fixed with a spring 22 through bolts, and the spring 22 is fixed with the limiting block 21, when the first balancing weight 16 needs to be moved forward, the hydraulic cylinder 15 is shortened to enable the second balancing weight 20 to drive the first balancing weight 16 to move forward, the spring 22 rebounds and extends to push the first balancing weight 16 to move forward, thereby assisting the movement thereof, the upper surface of the working platform 9 is fixed with a seat 12 through bolts, and the upper surface of the working platform 9 is provided with a control rod 13.

The working principle is as follows: when the gravity of the excavator bucket 1 is large and the front and rear gravity of the excavator needs to be adjusted evenly, firstly, the hydraulic cylinder 15 is started, the hydraulic cylinder 15 extends to enable the second counterweight block 20 to move backwards to a proper position along the first trapezoidal guide rail 18, so that the connecting rod 17 pulls the first counterweight block 16 to move backwards to a proper position along the second trapezoidal guide rail, meanwhile, the spring 22 is shortened, so that the gravity at the rear part of the platform of the excavator is increased, the front and rear weight of the platform of the excavator is evenly distributed, when the gravity at the rear part of the excavator needs to be reduced, the hydraulic cylinder 15 is started, the hydraulic cylinder 15 is shortened to enable the second counterweight block 20 to move forwards to a proper position along the first trapezoidal guide rail 18, so that the connecting rod 17 pulls the first counterweight block 16 to move forwards to a proper position along the second trapezoidal guide rail, meanwhile, the spring 22 rebounds to extend and assists in pushing the first counterweight block 16 to move forwards, therefore, the front and rear gravity of the excavator is kept even, the heat generated by the parts in the power box 8 during working is dissipated by the heat dissipation screen plate 5, and the parts are prevented from being damaged due to overhigh temperature in the power box 8.

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

1. The utility model provides a small excavator platform mechanism that rolls, includes base (10), its characterized in that, the upper surface swing joint of base (10) has carousel (11), and the upper surface fixed connection of carousel (11) has work platform (9), and the upper surface fixed connection of work platform (9) has protecting crust (7), and one side inner wall fixed connection of protecting crust (7) has pneumatic cylinder (15), the upper surface fixed connection of work platform (9) has first trapezoidal guide rail (18), and one side swing joint of first trapezoidal guide rail (18) has second balancing weight (20), and the one end of second balancing weight (20) and pneumatic cylinder (15) hydraulic stem is fixed mutually, the upper surface fixed connection of work platform (9) has two trapezoidal guide rails of second, and one side of two trapezoidal guide rails of second all swing joint has first balancing weight (16), and the upper surface swing joint of first balancing weight (16) has connecting rod (17), and the connecting rod (17) is fixed with the second balancing weight (20).

2. The anti-rolling platform mechanism of the mini excavator as claimed in claim 1, wherein an oil tank (6) is fixedly connected to the outer wall of the top of the protective shell (7), and a power box (8) is fixedly connected to the outer wall of the top of the protective shell (7).

3. The anti-rolling platform mechanism of the mini excavator as claimed in claim 2, wherein a heat dissipation port is formed in one side of the power box (8), and a heat dissipation screen plate (5) is fixedly connected in the heat dissipation port.

4. The anti-rolling platform mechanism of the mini excavator as claimed in claim 3, wherein a plurality of supporting columns (3) are fixedly connected to the upper surface of the working platform (9), one end of two of the supporting columns (3) penetrates through the power box (8) and the protective shell (7), and the sunshade (4) is fixedly connected to the top end of the supporting columns (3).

5. The anti-rolling platform mechanism of the mini excavator as claimed in claim 4, wherein one side of the working platform (9) is fixedly connected with a force arm (2), one side of the force arm (2) is movably connected with an excavator bucket (1), and the upper surface of the working platform (9) is fixedly connected with a protective guard (14).

6. The anti-rolling platform mechanism of the small excavator according to claim 5, wherein one end of the second trapezoidal guide rail is fixedly connected with a limiting block (21), and one side of the first trapezoidal guide rail (18) is fixedly connected with a rubber pad (19).

7. The anti-rolling platform mechanism of the mini excavator as claimed in claim 6, wherein a spring (22) is fixedly connected to one side of the first balancing weight (16), and the spring (22) is fixed to the limiting block (21).

8. The anti-rolling platform mechanism of the mini excavator as claimed in claim 5, wherein a seat (12) is fixedly connected to the upper surface of the working platform (9), and a control rod (13) is arranged on the upper surface of the working platform (9).