CN218842808U - Turntable type milling head for small excavator - Google Patents

Abstract

The utility model relates to a small-size excavator accessory technical field discloses a carousel type milling head for small-size excavator, including excavator forearm and frame, the connecting plate of two mutual symmetries is installed to the bottom of excavator forearm, the installation piece is installed at the top of frame, and slidable mounting has the fly leaf on the installation piece, on two connecting plate symmetrical arrangement and the fly leaf, rotate in the frame and install the milling drum, evenly arranged a plurality of milling teeth along the circumferencial direction on the milling drum, through the connecting plate that is equipped with to can be connected the forearm of milling machine and excavator, thereby accessible manual operation small-size excavator makes the milling drum and the ground contact of frame bottom, thereby mills the work to ground, not only reduces workman's intensity of labour, still avoids frequently carrying, only needs to be connected frame and excavator forearm through the connecting plate and can use, very big improvement work efficiency, reduced personnel cost.

Description

Turntable type milling head for small excavator

Technical Field

The utility model relates to a small-size excavator accessory technical field especially relates to a carousel type milling head for small-size excavator.

Background

With the acceleration of the national urbanization process, the rural area which is not seen by manufacturers originally becomes a main station field of engineering construction and cannot be ignored gradually, and the small excavator integrates the characteristics of flexibility, multiple functions, wide application and the like, the market demand exceeds expectations, the emphasis of the urbanization policy is removed, and the labor cost is gradually increased in the national economic development process. The trend of replacing manpower with machines has become more and more obvious. The small excavator is also called small excavating machine, and is mainly ideal equipment for civil earthwork engineering application due to small body posture, the milling machine is one of main machines of asphalt pavement maintenance construction machinery, and is one of main equipment of asphalt concrete pavement maintenance construction, and the small excavator is mainly used for excavating and renovating asphalt concrete surface layers of highways, town roads, airports, cargo yards and the like, can be used for removing defects of road surface bags, oil waves, cobwebbing, ruts and the like, can be used for excavating pits and grooves of pavements, and can be used for roughening cement pavements and milling staggered platforms of the surface layers.

In the prior art, when a road surface is renovated in a rural area, a small excavator and a milling machine are often needed, the road surface cutting machine and the small excavator are usually transported to the field through a transport vehicle and then the road surface is operated, in the operation process, machines and tools are frequently moved, the manual labor intensity of workers is high, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small-size excavator is with carousel type milling head to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a carousel type milling and planing head for small-size excavator, includes excavator forearm and frame, the connecting plate of two mutual symmetries is installed to the bottom of excavator forearm, the installation piece is installed at the top of frame, and slidable mounting has the fly leaf on the installation piece, on two connecting plate symmetrical arrangement and the fly leaf, rotate in the frame and install the milling drum, evenly arranged a plurality of gear shaping planes that mill along the circumferencial direction on the milling drum.

Preferably, a buffer cavity is formed in the mounting block, and the movable plate is slidably mounted in the buffer cavity.

Preferably, perpendicular spacing grooves have all been seted up on the both sides inner wall of cushion chamber, and slidable mounting has perpendicular stopper in perpendicular spacing groove, and perpendicular stopper is installed on the fly leaf.

Preferably, the buffer cavity has been arranged back the shape frame, returns and installs first direction slide bar and two second direction slide bars in the shape frame, and two second direction slide bars symmetrical arrangement have two sliding blocks on the both sides of first direction slide bar, first direction slide bar and two second direction slide bars, rotate on two sliding blocks and install three connecting rod, and the other end of three connecting rod all rotates and installs in the bottom of fly leaf, mutual staggered arrangement between the three connecting rod.

Preferably, first slide opening and second slide opening have been seted up on the sliding block, the sliding block passes through first slide opening and second slide opening slidable mounting on first direction slide bar and second direction slide bar.

Preferably, two first buffer springs are sleeved on the first guide sliding rod in a sliding mode, one ends of the first buffer springs are installed on the clip-shaped frame, and the other ends of the first buffer springs are installed on the sliding block.

Preferably, four dampers which are symmetrical to each other are arranged in the buffer cavity, the tops of the dampers are installed at the bottom of the movable plate, a second buffer spring is sleeved on each damper, one end of the second buffer spring is installed on the movable plate, and the other end of the second buffer spring is installed on the inner wall of the buffer cavity.

The beneficial effects of the utility model are that:

the utility model discloses in, through the connecting plate that is equipped with to can be connected the forearm of milling machine and excavator, thereby accessible manual operation mini-excavator makes the milling drum and the ground contact of frame bottom, thereby mills plane work to ground, not only reduces workman's intensity of labour, still avoids frequently carrying the machines, only needs to be connected the frame with the excavator forearm through the connecting plate and can use, very big improvement work efficiency, reduced personnel's cost.

Drawings

Fig. 1 is a schematic structural view of a turntable-type milling and planing head for a small excavator provided by the present invention;

fig. 2 is a schematic cross-sectional structure view of an installation block of a turntable type milling head for a mini excavator according to the present invention;

fig. 3 is a schematic cross-sectional structure view of a damper of a turntable type milling head for a mini excavator according to the present invention;

fig. 4 is a schematic cross-sectional structure view of a first guide slide bar and a second guide slide bar of the turntable-type milling head for a mini-excavator according to the present invention;

fig. 5 is an enlarged schematic view of a structure at a position a in fig. 3 of the turntable type milling head for the mini excavator provided by the present invention.

In the figure: 1. a small arm of the excavator; 2. mounting blocks; 3. a movable plate; 4. a frame; 5. milling a drum; 6. a buffer chamber; 7. a clip frame; 8. a first buffer spring; 9. a first guide slide bar; 10. a second guide slide bar; 11. a first slide hole; 12. a slider; 13. a vertical limiting block; 14. a connecting rod; 15. a damper; 16. a second buffer spring; 17. a connecting plate; 18. milling and planing teeth; 19. a second slide hole; 20. and a vertical limit groove.

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.

Referring to fig. 1-5, a turntable type milling and planing head for a small excavator comprises an excavator forearm 1 and a rack 4, two mutually symmetrical connecting plates 17 are mounted at the bottom of the excavator forearm 1, a mounting block 2 is mounted at the top of the rack 4, a movable plate 3 is mounted on the mounting block 2 in a sliding manner, the two connecting plates 17 are symmetrically arranged on the movable plate 3, a milling drum 5 is mounted on the rack 4 in a rotating manner, and a plurality of milling and planing teeth 18 are uniformly arranged on the milling drum 5 in the circumferential direction.

Through the connecting plate 17 that is equipped with, thereby can be connected milling machine and excavator forearm 1, thereby accessible manual operation mini-excavator makes the milling drum 5 and the ground contact of frame 4 bottom, thereby mills the work to ground, not only reduces workman's intensity of labour, still avoids frequently carrying the machines, only needs to be connected frame 4 and excavator forearm 1 through connecting plate 17 and can use, very big improvement work efficiency, reduced personnel's cost.

Specifically, in this embodiment, a buffer cavity 6 is formed in the mounting block 2, and the movable plate 3 is slidably mounted in the buffer cavity 6.

Through the arranged buffer cavity 6, the movable plate 3 can slide along the buffer cavity 6, and the moving direction of the movable plate 3 is guided and limited.

Specifically, in this embodiment, vertical limiting grooves 20 have been all seted up on the both sides inner wall of cushion chamber 6, and slidable mounting has vertical limiting block 13 in vertical limiting groove 20, and vertical limiting block 13 is installed on fly leaf 3.

Through mutual cooperation of the arranged vertical limiting blocks 13 and the vertical limiting grooves 20, the vertical limiting blocks 13 can slide along the vertical limiting grooves 20, and the purposes of guiding and limiting the moving direction and the moving range of the movable plate 3 are achieved.

Specifically, in this embodiment, a clip frame 7 is disposed in the buffer cavity 6, a first guide slide bar 9 and two second guide slide bars 10 are mounted in the clip frame 7, the two second guide slide bars 10 are symmetrically disposed on two sides of the first guide slide bar 9, the first guide slide bar 9 and the two second guide slide bars 10 are slidably mounted with two sliding blocks 12, the two sliding blocks 12 are rotatably mounted with three connecting rods 14, the other ends of the three connecting rods 14 are rotatably mounted at the bottom of the movable plate 3, and the three connecting rods 14 are arranged in a staggered manner.

Through the connecting rod 14, the sliding blocks 12, the first guide slide rod 9 and the second guide slide rod 10 which are arranged, when the milling teeth 18 are in contact with the ground and milling work generates vibration, the movable plate 3 slides along the buffer cavity 6, and then the connecting rod 14 is driven to rotate, so that the two sliding blocks 12 are further far away from each other along the first guide rod 9 and the second guide rod 10, and impact force is buffered through friction force between the sliding blocks 12 and the first guide rod 9 and the second guide rod 10.

Specifically, in this embodiment, a first sliding hole 11 and a second sliding hole 19 are formed in the sliding block 12, and the sliding block 12 is slidably mounted on the first guide slide 9 and the second guide slide 10 through the first sliding hole 11 and the second sliding hole 19.

Through the arrangement of the first sliding hole 11 and the second sliding hole 19, the sliding block 12 can slide along the first guide rod 9 and the second guide rod 10, and the purpose of guiding and limiting the moving range and the moving direction of the sliding block 12 is achieved.

Specifically, in this embodiment, two first buffer springs 8 are slidably sleeved on the first guide sliding rod 9, one end of each first buffer spring 8 is mounted on the frame 7, and the other end of each first buffer spring 8 is mounted on the sliding block 12.

Through arranging some first buffer spring 8 to can extrude first buffer spring 8 to deformation when connecting rod 14 drives sliding block 12 and slides, and then the elastic potential energy of accessible first buffer spring 8 cushions impulsive force and vibrations, thereby reaches the purpose that the connection between protection connecting plate 17 and the excavator forearm 1 can not become flexible easily.

Specifically, in this embodiment, four dampers 15 that are symmetrical to each other are arranged in the buffer cavity 6, the tops of the dampers 15 are all installed at the bottom of the movable plate 3, the second buffer spring 16 is sleeved on the dampers 15, one end of the second buffer spring 16 is installed on the movable plate 3, and the other end of the second buffer spring 16 is installed on the inner wall of the buffer cavity 6.

Through mutual cooperation of the arranged damper 15 and the second buffer spring 16, the damper 15 can be extruded when the movable plate 3 slides along the buffer cavity 6, the second buffer spring 16 is deformed, and then the impact force can be buffered through the elastic potential energy of the second buffer spring 16, so that the purpose that the connection between the connecting plate 17 and the excavator forearm 1 cannot be easily loosened is achieved.

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 (7)

1. The utility model provides a small-size excavator is with carousel type milling planer head, its characterized in that, includes excavator forearm (1) and frame (4), connecting plate (17) of two mutual symmetries are installed to the bottom of excavator forearm (1), installation piece (2) are installed at the top of frame (4), and slidable mounting has fly leaf (3) on installation piece (2), on two connecting plate (17) symmetrical arrangement and fly leaf (3), rotate on frame (4) and install milling drum (5), have evenly arranged a plurality of planing teeth (18) of milling along the circumferencial direction on milling drum (5).

2. The turntable-type milling head for a mini excavator according to claim 1, wherein the mounting block (2) has a buffer chamber (6) formed therein, and the movable plate (3) is slidably mounted in the buffer chamber (6).

3. The turret-type milling head for a mini-excavator according to claim 2, wherein: perpendicular spacing groove (20) have all been seted up on the both sides inner wall of cushion chamber (6), and slidable mounting has perpendicular stopper (13) in perpendicular spacing groove (20), and perpendicular stopper (13) are installed on fly leaf (3).

4. The head of claim 2, wherein: be provided with back shape frame (7) in cushion chamber (6), install first direction slide bar (9) and two second direction slide bars (10) in returning shape frame (7), two second direction slide bars (10) symmetrical arrangement are in the both sides of first direction slide bar (9), slidable mounting has two sliding blocks (12) on first direction slide bar (9) and two second direction slide bars (10), rotatable mounting has three connecting rod (14) on two sliding blocks (12), the other end of three connecting rod (14) all rotates the bottom of installing at fly leaf (3), mutual staggered arrangement between three connecting rod (14).

5. The turret-type milling head for a mini-excavator according to claim 4, wherein: first slide opening (11) and second slide opening (19) have been seted up on sliding block (12), sliding block (12) through first slide opening (11) and second slide opening (19) slidable mounting on first direction slide bar (9) and second direction slide bar (10).

6. The turret-type milling head for a mini-excavator according to claim 4, wherein: two first buffer springs (8) are sleeved on the first guide sliding rod (9) in a sliding mode, one end of each first buffer spring (8) is installed on the corresponding square frame (7), and the other end of each first buffer spring (8) is installed on the corresponding sliding block (12).

7. The turret-type milling head for a mini-excavator according to claim 2, wherein: four dampers (15) which are symmetrical to each other are arranged in the buffer cavity (6), the tops of the dampers (15) are installed at the bottom of the movable plate (3), a second buffer spring (16) is sleeved on each damper (15), one end of each second buffer spring (16) is installed on the movable plate (3), and the other end of each second buffer spring (16) is installed on the inner wall of the buffer cavity (6).

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