CN218970099U

CN218970099U - Milling and digging machine head assembly

Info

Publication number: CN218970099U
Application number: CN202223056088.8U
Authority: CN
Inventors: 蔡勇; 柳珊珊; 张长雨
Original assignee: Ningbo Oushijie Hydraulic Transmission Co ltd
Current assignee: Ningbo Oushijie Hydraulic Transmission Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-05-05
Anticipated expiration: 2032-11-17

Abstract

The utility model relates to the technical field of milling and digging machines, in particular to a milling and digging machine head assembly, which comprises a mounting plate, wherein a rack is fixedly arranged at the bottom end of the mounting plate, and a motor is fixedly arranged at one side of the bottom end of the rack; the two ends of the transmission shaft are movably connected between the bottom ends of the frame through bearings, the middle part of the transmission shaft is fixedly connected with a roller, and both sides of the roller are fixedly connected with fixed discs; the tool apron is arranged at the outer wall of the fixed disc, and one side, away from the fixed disc, of the tool apron is fixedly connected with a sleeve head. According to the utility model, the tool holder is arranged, when the tool bit is required to be replaced, the tool is sleeved on the hexagonal bolt head to rotate, the hexagonal bolt head rotates and drives the push rod to rotate to extend into the sleeve head, the top end of the push rod rotates to extend into the sleeve head, the tool bit is pushed to be close to one end of the sleeve head until the tool bit extends out of the sleeve head, and then the tool bit is taken down from one end of the tool bit, which is far away from the tool holder, so that the tool bit is more rapid and convenient to detach.

Description

Milling and digging machine head assembly

Technical Field

The utility model relates to the technical field of milling and excavating machines, in particular to a milling and excavating machine head assembly.

Background

The milling and digging machine is produced by adopting the advanced technology of the world leading, can be installed on any type of hydraulic excavator, can efficiently replace general configurations of a bucket, a breaking hammer, a hydraulic shear and the like, is applied to multiple fields of open-pit coal mine, tunnel tunneling and contour correction, channel trench milling and digging, asphalt concrete road milling and digging, rock frozen soil milling and tree root milling and the like, and provides a brand-new construction method for tunnel digging.

The milling and digging machine head is provided with a plurality of cutter heads, the cutter heads are sleeved on the cutter seat, when the cutter heads are milled and dug, the cutter heads are stressed for a long time and are connected with the cutter seat more tightly, so that time and labor are wasted when the cutter heads are replaced, and therefore, the milling and digging machine head assembly is required to be designed.

Disclosure of Invention

The present utility model is directed to a milling head assembly that solves the above-mentioned problems associated with the prior art.

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

milling and excavating machine head assembly, the milling and excavating machine head assembly comprises

The device comprises a mounting plate, wherein a rack is fixedly arranged at the bottom end of the mounting plate, and a motor is fixedly arranged at one side of the bottom end of the rack;

the two ends of the transmission shaft are movably connected between the bottom ends of the frame through bearings, the middle part of the transmission shaft is fixedly connected with a roller, and both sides of the roller are fixedly connected with fixed discs;

the tool apron, the tool apron sets up in the outer wall department of fixed disk, one side fixedly connected with pullover that the fixed disk was kept away from to the tool apron, the tool bit has been cup jointed to one side that the pullover kept away from the tool apron, the push rod has been cup jointed to the internal thread of tool apron.

Preferably, the top end of the mounting plate is provided with a shock pad, the top end of the shock pad is provided with a bottom plate, and both sides of the top end of the bottom plate are provided with brackets;

preferably, the top ends of the two brackets are fixedly provided with shaft seats, and the outer sides of the two brackets and the bottom plate are provided with reinforcing plates;

preferably, a plurality of clamping rings are arranged in the sleeve head, and clamping grooves are formed in the outer portion of one end of the cutter head, which is positioned in the sleeve head;

preferably, a hexagonal bolt head is arranged outside the bottom end of the push rod, and the top end of the push rod is arranged inside the sleeve head;

preferably, the frame is provided with the protection casing in the outside of motor, the protection casing material adopts the steel sheet preparation to form.

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

1. this mill and dig aircraft nose subassembly, through setting up the blade holder, when needs change the tool bit, use the instrument to cup joint and rotate on hexagonal bolt head, drive the rotatory deep pullover of push rod behind the hexagonal bolt head rotation, the top of push rod is rotatory to push away the one end that the tool bit is close to the pullover after deep deeply, until the tool bit stretches out from the pullover, then follow the tool bit and keep away from the one end of blade holder with it take off can, so it is more convenient fast when dismantling.

2. This mill and dig head assembly is provided with the shock pad through setting up the shock pad, the top of mounting panel, and the top of shock pad is provided with the bottom plate, sets up the shock pad between mounting panel and bottom plate, like this when the bottom atress, can carry out shock attenuation buffering through the shock pad, can avoid hydraulic excavator aircraft nose to receive the vibrations damage like this.

Drawings

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

FIG. 2 is an enlarged schematic view of the utility model at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the present utility model at B in FIG. 1;

fig. 4 is an enlarged schematic view of the present utility model at C in fig. 1.

In the figure: 1. a mounting plate; 2. a frame; 3. a motor; 4. a transmission shaft; 5. a roller; 6. a fixed plate; 7. a tool apron; 8. a sleeve head; 9. a cutter head; 10. a push rod; 11. a shock pad; 12. a bottom plate; 13. a bracket; 14. a shaft seat; 15. a reinforcing plate; 16. a collar; 17. a clamping groove; 18. a hexagonal bolt head; 19. and a protective cover.

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.

In the description of the present utility model, it should be understood that the terms "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the apparatus or elements in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-4, the present utility model provides a technical solution:

milling and digging machine head assembly, the milling and digging machine head assembly comprises

The device comprises a mounting plate 1, wherein a frame 2 is fixedly arranged at the bottom end of the mounting plate 1, and a motor 3 is fixedly arranged at one side of the bottom end of the frame 2;

the transmission shaft 4, two ends of the transmission shaft 4 are movably connected between the bottom ends of the frame 2 through bearings, the middle part of the transmission shaft 4 is fixedly connected with a roller 5, and two sides of the roller 5 are fixedly connected with a fixed disc 6;

the tool apron 7 is arranged at the outer wall of the fixed disc 6, one side of the tool apron 7, which is far away from the fixed disc 6, is fixedly connected with a sleeve head 8, one side of the sleeve head 8, which is far away from the tool apron 7, is sleeved with a tool bit 9, and the internal thread of the tool apron 7 is sleeved with a push rod 10;

through above-mentioned scheme, through setting up blade holder 7, when needs change tool bit 9, use the instrument to cup joint and rotate on hexagonal bolt head 18, in hexagonal bolt head 18 rotates back drive push rod 10 rotatory deep into pullover 8, push rod 10's top rotatory deep back promotes tool bit 9 to be close to pullover 8's one end, until tool bit 9 stretches out from pullover 8, then follow tool bit 9 and keep away from the one end of blade holder 7 again and take off it can, like this more convenient when dismantling.

In this embodiment, preferably, the top end of the mounting plate 1 is provided with a shock pad 11, the top end of the shock pad 11 is provided with a bottom plate 12, and both sides of the top end of the bottom plate 12 are provided with brackets 13;

through the scheme, through the arrangement of the shock pad 11, the top end of the mounting plate 1 is provided with the shock pad 11, the top end of the shock pad 11 is provided with the bottom plate 12, and the shock pad 11 is arranged between the mounting plate 1 and the bottom plate 12, so that when the bottom end is stressed, the shock pad 11 can be used for shock absorption and buffering, and the head of the hydraulic excavator can be prevented from being damaged by shock;

in this embodiment, preferably, shaft bases 14 are fixedly installed at the top ends of the two brackets 13, and reinforcing plates 15 are arranged on the outer sides of the two brackets 13 and the bottom plate 12;

through the scheme, the shaft bases 14 are arranged at the top ends of the two brackets 13, the shaft bases 14 are convenient to install in a matched mode with the head of the hydraulic excavator, and the structural stability of the joint can be improved through the reinforcing plate 15;

in this embodiment, preferably, a plurality of collars 16 are provided inside the sleeve head 8, and a clamping groove 17 is provided outside one end of the cutter head 9 inside the sleeve head 8;

through the scheme, the clamping groove 17 is formed in the bottom end of the cutter head 9 through the clamping ring 16 and the clamping groove 17, the clamping ring 16 is arranged at the inner wall of the sleeve head 8, and the clamping groove 17 at the bottom end of the cutter head 9 is clamped in the clamping ring 16 in the sleeve head 8 during sleeving;

in this embodiment, preferably, the hexagonal bolt 18 is disposed outside the bottom end of the push rod 10, and the top end of the push rod 10 is disposed inside the sleeve 8;

through the scheme, the hexagonal bolt head 18 is arranged at the bottom end of the push rod 10, so that the push rod 10 is conveniently driven to rotate by a tool, and the aim of convenient use is fulfilled;

in this embodiment, preferably, the frame 2 is located outside the motor 3 and provided with a protective cover 19, and the protective cover 19 is made of steel plates;

through above-mentioned scheme, through setting up protection casing 19, protection casing 19 is installed in the outside that frame 2 is close to motor 3, like this when milling digs, can prevent through protection casing 19 that foreign object from striking motor 3 from leading to its damage to reach the purpose of being convenient for protect.

When the milling and digging machine head assembly is used, the device is installed in a matched mode with a hydraulic excavator, the motor 3 is started when equipment works, the motor 3 drives the transmission shaft 4 to rotate, the transmission shaft 4 drives the roller 5 to rotate after rotating, the fixed discs 6 at two ends are driven to synchronously rotate after rotating the roller 5, the two fixed discs 6 simultaneously rotate and drive the plurality of cutter heads 9 to mill and dig, when the cutter heads 9 need to be replaced, the tool is used for sleeving and connecting the hexagonal bolt heads 18 to rotate, the push rod 10 is driven to rotate after the hexagonal bolt heads 18 rotate and deeply penetrate into the sleeve heads 8, the top end of the push rod 10 is rotated and deeply pushed to push one end of the cutter heads 9 close to the sleeve heads 8 until the cutter heads 9 extend out of the sleeve heads 8, then the cutter heads 9 are removed from one end of the cutter heads 9 away from the cutter seats 7, the cutter heads are fast and convenient to detach, the top end of the mounting plate 1 is provided with the shock pad 11, the bottom plate 12 is arranged between the mounting plate 1 and the bottom plate 12, and when the bottom plate 12 is stressed, shock pads 11 can be damped through the shock pad 11, and the hydraulic excavator head can be prevented from being damaged by shock.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Milling machine head assembly, its characterized in that: the milling and digging machine head assembly comprises

The device comprises a mounting plate (1), wherein a rack (2) is fixedly arranged at the bottom end of the mounting plate (1), and a motor (3) is fixedly arranged at one side of the bottom end of the rack (2);

the two ends of the transmission shaft (4) are movably connected between the bottom ends of the frame (2) through bearings, the middle part of the transmission shaft (4) is fixedly connected with a roller (5), and two sides of the roller (5) are fixedly connected with fixed discs (6);

the tool apron (7), tool apron (7) set up in the outer wall department of fixed disk (6), one side fixedly connected with pullover (8) of fixed disk (6) are kept away from to tool apron (7), pullover (8) have been cup jointed tool bit (9) in one side of keeping away from tool apron (7), push rod (10) have been cup jointed to the internal thread of tool apron (7).

2. The milling head assembly of claim 1, wherein: the top of mounting panel (1) is provided with shock pad (11), the top of shock pad (11) is provided with bottom plate (12), the top both sides of bottom plate (12) all are provided with support (13).

3. The milling head assembly of claim 2, wherein: the top ends of the two brackets (13) are fixedly provided with shaft seats (14), and reinforcing plates (15) are arranged on the outer sides of the two brackets (13) and the bottom plate (12).

4. The milling head assembly of claim 1, wherein: the inside of pullover (8) is provided with a plurality of rands (16), tool bit (9) are located the inside one end outside of pullover (8) and are provided with draw-in groove (17).

5. The milling head assembly of claim 1, wherein: the outer hexagonal bolt head (18) that is provided with of bottom of push rod (10), the top of push rod (10) sets up in the inside of pullover (8).

6. The milling head assembly of claim 1, wherein: the machine frame (2) is located outside of the motor (3) and is provided with a protective cover (19), and the protective cover (19) is made of steel plates.