CN211314223U

CN211314223U - Milling and excavating machine with negative pressure dust collection mechanism

Info

Publication number: CN211314223U
Application number: CN201922176579.8U
Authority: CN
Inventors: 于铭
Original assignee: Shaanxi Liming Zhongchuang Electromechanical Equipment Co ltd
Current assignee: Shaanxi Liming Zhongchuang Electromechanical Equipment Co ltd
Priority date: 2019-12-07
Filing date: 2019-12-07
Publication date: 2020-08-21
Anticipated expiration: 2029-12-07

Abstract

The utility model discloses a mill machine of digging with negative pressure dust absorption mechanism belongs to and mills machine of digging technical field. The utility model provides a mill machine of digging with negative pressure dust absorption mechanism, includes the cutter head mount pad, and the cutter head mount pad front end is installed and is milled the head of digging, its characterized in that: the inside dust absorption chamber of having seted up in cutter head mount pad rear end, two intercommunication grooves have been seted up to the left and right sides symmetry in dust absorption chamber, and the intercommunication groove outer end is equipped with prevents that the stone bounces spatters the subassembly. The utility model discloses an inside suction chamber of seting up in cutter head mount pad rear end is equipped with two and prevents that the stone bounces and spatter the subassembly in suction chamber bilateral symmetry, utilizes and prevents that the stone bounces spatters the subassembly and open the back for suction chamber and outside intercommunication, thereby make outside dust catcher through produce the negative pressure in the dust absorption intracavity, and then filter and mill a large amount of dusts that dig the in-process and produce. The utility model has the advantages of reasonable design, protecting effect is good, avoids dust absorption mechanism to block up and jump at dust absorption in-process rubble stone etc. and spatters to pound and decrease and prevent the stone face net.

Description

Milling and excavating machine with negative pressure dust collection mechanism

Technical Field

The utility model relates to a mill machine technical field that digs, more specifically say, relate to a mill machine of digging with negative pressure dust absorption mechanism.

Background

The milling and excavating machine is produced by adopting a world leading top-end technology, can be installed on any type of hydraulic excavator, efficiently replaces general configurations such as a bucket, a breaking hammer, a hydraulic shear and the like, is applied to open-pit coal mines, and is applied to multiple fields such as tunnel excavation and contour correction, channel groove milling and excavating, asphalt concrete pavement milling and excavating, rock frozen soil milling and excavating, tree root milling and the like, and provides a brand-new construction method for tunnel excavation.

In the tunneling process of the existing transverse milling and excavating machine in a tunnel, a large amount of dust is generated, and the sight line and the health of operators are seriously affected.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a mill machine of digging with negative pressure dust absorption mechanism to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

The utility model provides a mill machine of digging with negative pressure dust absorption mechanism, includes the cutter head mount pad, the cutter head mount pad front end is installed and is milled the head of digging, its characterized in that: the inside dust absorption chamber of having seted up in cutter head mount pad rear end, two intercommunication grooves have been seted up to the left and right sides symmetry in dust absorption chamber, the intercommunication groove outer end is equipped with prevents that the stone bounces spatters the subassembly.

Preferably, the dust exhaust port has been seted up to the dust absorption chamber bottom surface, the dust exhaust port lower extreme articulates there is the chamber door, the dust absorption chamber top surface runs through and is equipped with the connector, the connector lower extreme inlays and is equipped with the filter screen, connector upper end and outside dust catcher intercommunication.

Preferably, the inner end of the communication groove is embedded with a stone-proof net.

Preferably, prevent that stone jump spatters subassembly includes and is connected fixed fixing base with the intercommunication groove outer end, the inside cavity of fixing base forms the installation cavity, be linear equidistant a plurality of blades that are equipped with in the installation cavity.

Preferably, the welding of blade upper end has the rotation post, the rotation post rotates with the inboard top surface of installation cavity and is connected, the welding of the relative position of rotation post of blade lower extreme has the rotation post, the inboard bottom surface interlude of installation cavity has the spliced pole, and the spliced pole extends to the lower part of installation cavity.

Preferably, prevent that stone jump spatters subassembly still includes the cylinder that sets firmly on the milling head mount pad outer wall, the welding of cylinder piston rod tip has the ejector pad, the ejector pad rear end is articulated to have the connecting rod, the connecting rod rear end is articulated to have the push rod.

Preferably, the section of the push rod is of a U-shaped structure, a plurality of transmission rods are arranged in the push rod in a one-to-one correspondence mode relative to the positions of the connecting columns, the transmission rods are arranged in an inclined mode, one end of each transmission rod is tightly welded to the lower end of the corresponding connecting column, and the other end of each transmission rod is hinged to the inside of the push rod.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

the utility model discloses an inside suction chamber of seting up in cutter head mount pad rear end is equipped with two and prevents that the stone bounces and spatter the subassembly in suction chamber bilateral symmetry, utilizes and prevents that the stone bounces spatters the subassembly and open the back for suction chamber and outside intercommunication, thereby make outside dust catcher through produce the negative pressure in the dust absorption intracavity, and then filter and mill a large amount of dusts that dig the in-process and produce. The utility model has the advantages of reasonable design, protecting effect is good, avoids dust absorption mechanism to block up and jump at dust absorption in-process rubble stone etc. and spatters to pound and decrease and prevent the stone face net.

Drawings

Fig. 1 is a schematic top view of the overall structure of the present invention;

fig. 2 is a schematic bottom view of the overall structure of the present invention;

FIG. 3 is a schematic diagram of the present invention showing a disassembled part of the structure;

FIG. 4 is a schematic view of the anti-jumping and anti-splashing assembly of the present invention;

the reference numbers in the figures illustrate: the milling head comprises a milling head mounting seat 1, a milling and digging head 2, a dust suction cavity 3, a communication groove 301, a box door 302, a connector 303, a filter screen 304, a stone-surface-preventing net 305, a stone-bounce-preventing component 4, a fixed seat 401, a mounting cavity 402, blades 403, a rotating column 404, an air cylinder 406, a pushing block 407, a pushing rod 408, a transmission rod 409 and a connecting rod 410.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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

the utility model provides a mill machine of digging with negative pressure dust absorption mechanism, includes cutter

head mount pad

1, and 1 front end of cutter head mount pad is installed and is milled head 2, its characterized in that: the inside dust absorption chamber 3 of having seted up in milling head mount pad 1 rear end, two intercommunication grooves 301 have been seted up to the 3 left and right sides symmetries in dust absorption chamber, and intercommunication groove 301 outer end is equipped with prevents that the stone bounces spatters subassembly 4.

The dust exhaust mouth has been seted up to 3 bottoms surfaces in dust absorption chamber, and the dust exhaust mouth lower extreme articulates there is

chamber door

302, and 3 top surfaces in dust absorption chamber run through and are equipped with connector 303, and connector 303 lower extreme inlays and is equipped with filter screen 304, and connector 303 upper end and outside dust catcher intercommunication.

The inner end of the communication groove 301 is embedded with a stone-proof surface net 305.

Prevent that stone jump spatters subassembly 4 includes and is connected fixed fixing base 401 with the intercommunication groove 301 outer end, and the inside cavity of fixing base 401 forms installation cavity 402, is linear equidistant a plurality of blades 403 that are equipped with in the installation cavity 402.

The upper end of the blade 403 is welded with a rotating column 404, the rotating column 404 is rotatably connected with the top surface of the inner side of the installation cavity 402, the rotating column 404 is welded at the position of the lower end of the blade 403, which is opposite to the rotating column 404, a connecting column 405 is inserted into the bottom surface of the inner side of the installation cavity 402, and the connecting column 405 extends to the lower part of the installation cavity 402.

The stone splash prevention assembly 4 further comprises an air cylinder 406 fixedly arranged on the outer wall of the milling head mounting seat 1, a push block 407 is welded at the end part of a piston rod of the air cylinder 406, a connecting rod 410 is hinged at the rear end of the push block 407, and a push rod 408 is hinged at the rear end of the connecting rod 410.

The section of the push rod 408 is of a U-shaped structure, a plurality of transmission rods 409 are correspondingly arranged in the push rod 408 at positions corresponding to the connecting columns 405 one by one, the transmission rods 409 are obliquely arranged, one end of each transmission rod 409 is tightly welded with the lower end of the corresponding connecting column 405, and the other end of each transmission rod 409 is hinged with the inside of the push rod 408.

The working principle is as follows: utilize cylinder 406 pulling ejector pad 407, ejector pad 407 pulling connecting rod 410, connecting rod 410 pulls rather than articulated push rod 408, push rod 408 pulling rather than articulated transfer line 409 for transfer line 409 rotates around spliced pole 405 lower extreme, and then drives blade 403 and take place the rotation and open, the utility model discloses in the rotatory maximum angle of a plurality of blades 403 is less than 60 degrees, avoid opening too big and lead to the stone to jump to spatter and smash and damage stone face net 305; after the external dust collector is opened, negative pressure is generated in the dust collection cavity 3, air mixed with dust enters the dust collection cavity 3 through the stone-proof net 305 and is filtered by the filter screen 304 at the lower end of the connector 303, so that the dust can only be settled in the dust collection cavity 3, and the door 302 is opened periodically to discharge the dust.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a mill machine of digging with negative pressure dust absorption mechanism, includes cutter head mount pad (1), cutter head mount pad (1) front end is installed and is milled head (2), its characterized in that: the milling head mounting seat is characterized in that a dust suction cavity (3) is formed in the rear end of the milling head mounting seat (1), two communicating grooves (301) are symmetrically formed in the left side and the right side of the dust suction cavity (3), and a stone jumping and splashing preventing assembly (4) is arranged at the outer end of each communicating groove (301).

2. The milling and excavating machine with the negative-pressure dust suction mechanism as claimed in claim 1, wherein: dust exhaust mouth has been seted up to suction chamber (3) bottom surface, the dust exhaust mouth lower extreme articulates there is chamber door (302), suction chamber (3) top surface runs through and is equipped with connector (303), connector (303) lower extreme inlays and is equipped with filter screen (304), connector (303) upper end and outside dust catcher intercommunication.

3. The milling and excavating machine with the negative-pressure dust suction mechanism as claimed in claim 1, wherein: the inner end of the communicating groove (301) is embedded with a stone-proof net (305).

4. The milling and excavating machine with the negative-pressure dust suction mechanism as claimed in claim 1, wherein: prevent that stone bungee jumping spatters subassembly (4) includes and is connected fixed fixing base (401) with intercommunication groove (301) outer end, fixing base (401) inside cavity formation installation cavity (402), be linear equidistant a plurality of blades (403) of being equipped with in installation cavity (402).

5. The milling and excavating machine with the negative-pressure dust suction mechanism as claimed in claim 4, wherein: blade (403) upper end welding has rotation post (404), it is connected with the inboard top surface rotation of installation cavity (402) to rotate post (404), the position welding of the relative rotation post (404) of blade (403) lower extreme has rotation post (404), the inboard bottom surface interlude of installation cavity (402) has spliced pole (405), and spliced pole (405) extend to the lower part of installation cavity (402).

6. The milling and excavating machine with the negative-pressure dust suction mechanism as claimed in claim 5, wherein: the stone splash prevention assembly (4) further comprises a cylinder (406) fixedly arranged on the outer wall of the milling head mounting seat (1), a push block (407) is welded at the end part of a piston rod of the cylinder (406), the rear end of the push block (407) is hinged to a connecting rod (410), and the rear end of the connecting rod (410) is hinged to a push rod (408).

7. The milling and excavating machine with the negative-pressure dust suction mechanism as claimed in claim 6, wherein: the cross section of the push rod (408) is of a U-shaped structure, a plurality of transmission rods (409) are arranged in the push rod (408) in a one-to-one correspondence mode relative to the positions of the connecting columns (405), the transmission rods (409) are obliquely arranged, one end of each transmission rod (409) is tightly welded to the lower end of the corresponding connecting column (405), and the other end of each transmission rod (409) is hinged to the inside of the push rod (408).