CN111188378A

CN111188378A - Novel milling and excavating machine

Info

Publication number: CN111188378A
Application number: CN202010094455.XA
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: 2020-02-15
Filing date: 2020-02-15
Publication date: 2020-05-22

Abstract

The invention discloses a novel milling and excavating machine, which belongs to engineering mechanical equipment and comprises a machine case, a milling and excavating head, a dust hood and a telescopic roller, wherein the dust hood can flexibly rotate to adapt to different working angles, and the telescopic roller is used for adjusting the milling and excavating depth. The milling and excavating machine structure provided by the invention has the advantages that the traditional gear transmission scheme is replaced by the synchronous belt and chain transmission scheme in the machine box, the flexible adjustment of the length of the machine body is facilitated, and the miniaturization arrangement of the whole machine body is also facilitated; meanwhile, by adding the dust hood, the dust removing and dust removing functions are realized, the construction environment is obviously improved, and the dust removing and dust removing device has wide environmental value and great application prospect.

Description

Novel milling and excavating machine

Technical Field

The invention relates to the technical field of machinery, in particular to a novel milling and excavating machine.

Background

The milling and excavating machine is an engineering machine and can be widely applied to excavation of tunnels, ditches and municipal pipelines; crushing road surfaces, mining and excavating rock frozen soil; the method belongs to the construction fields of opencast coal mine excavation, surface innovation, steel industry, forestry and the like.

When the existing milling and excavating machine works, due to the lack of a dust removing and ash removing device, the operation working condition is very bad, dust flies upward, and the dust is disordered. In recent years, with the enhancement of environmental awareness, the importance of reducing dust and optimizing the working condition of the milling and excavating machine is gradually recognized. Meanwhile, the traditional milling and excavating machine belongs to heavy mechanical equipment, and is not suitable for indoor working conditions due to large volume, so that in recent years, along with the rise of labor cost and the requirements on construction quality and efficiency, how to improve the layout of the milling and excavating machine and reduce the size of the milling and excavating machine is an important technical problem in the field of milling and excavating work on walls, floors and the like in an indoor environment.

Disclosure of Invention

The invention aims to provide a novel milling and excavating machine, wherein a synchronous belt and chain transmission scheme is used in a machine box to replace the traditional gear transmission scheme, so that the length of a machine body can be flexibly adjusted, and the whole machine body can be conveniently arranged in a miniaturized manner; meanwhile, by adding the dust hood, the dust removing and dust removing functions are realized, the construction environment is obviously improved, and the dust removing and dust removing device has wide environmental value and great application prospect.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a novel mill machine of digging, its characterized in that includes quick-witted case, installs at the terminal milling of quick-witted case and digs the head and detain the suction hood who establishes on milling and digging the head, wherein: the machine case is used for transmitting power to drive the milling and digging head to rotate, one end of the machine case is provided with a connecting seat used for connecting a mechanical arm and a driving shaft used for connecting an external power source, the other end of the machine case is provided with a transmission shaft used for connecting the milling and digging head, the driving shaft and the transmission shaft are transmitted by adopting a transmission part, and the driving shaft is connected with a hydraulic motor or a driving machine; the dust hood can rotate around the axis of the milling and digging head, a dust suction cavity is formed in the dust hood in a hollow mode, a plurality of dust suction holes communicated with the dust suction cavity are formed in the inner wall of the dust hood, a dust suction port communicated with the dust suction cavity is formed in the outer wall of the dust hood, the dust suction port is connected with a negative pressure device through a hose, and a positioning hole is formed in the side wall of the dust hood; the driving medium is a chain or a synchronous belt.

Preferably, still be provided with the installation arm on the suction hood lateral wall tip, be provided with telescopic roller on the installation arm, wherein: the mounting arm is provided with a plurality of mounting holes and mounting bolts; the telescopic roller comprises a sliding arm, a roller shaft arranged at the tail end of the sliding arm and a roller sleeved on the roller shaft, and the sliding arm is provided with a waist hole; the mounting bolt is mounted between the mounting hole and the waist hole, and the sliding arm can move along the direction of the waist hole.

Preferably, a driving shaft in the chassis is mounted on the chassis through a driving bearing, a driving wheel matched with the transmission part to work is mounted on the driving shaft, a driving end cover is arranged at the position, located at the driving shaft, of the chassis, and a driving sealing part is arranged inside the driving end cover.

Preferably, a transmission shaft in the chassis is mounted on the chassis through a transmission bearing, a transmission wheel matched with the transmission part to work is mounted on the transmission shaft, a transmission end cover is arranged at the position, located at the transmission shaft, of the chassis, a transmission sealing part is arranged inside the transmission end cover, and the tail end of the transmission shaft is a non-circular connecting end.

Preferably, the milling and digging head comprises a milling and digging hub and a plurality of milling and digging teeth arranged on the milling and digging hub, wherein: the middle part of the milling and digging hub is provided with a connecting hole connected with the non-circular connecting end, a hub cover is arranged on the connecting hole, and the hub cover is installed on the non-circular connecting end through a first connecting screw.

Preferably, a support hub is further arranged inside the milling and digging head, the support hub is sleeved on the transmission shaft, and the milling and digging hub is connected with the support hub through a second connecting screw.

Compared with the prior art, the invention has the following beneficial effects:

(1) this novel machine of digging mills has used hold-in range, chain drive scheme replacement traditional gear drive scheme in the quick-witted case first, and the nimble adjustment of the fuselage length of being convenient for also is convenient for holistic miniaturization of fuselage and arranges, and whole length can be adjusted in a flexible way to the driving medium scheme, reduces whole width, has obvious technological effect on reducing whole size.

(2) This novel machine of digging mills has realized the function of dust removal, ash removal through increasing the suction hood, is showing and is improving the construction environment, also helps operator's physical and mental health, and especially, this suction hood adopts the negative pressure dust absorption principle and possesses rotatory function, and dust removal effect is obvious.

(3) This novel mill and dig machine has increased flexible gyro wheel, and flexible gyro wheel can accurate control mill the degree of depth of digging, has the guide effect moreover, mills at indoor wall, ground and digs in the work, has important design meaning.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a case according to the present invention;

FIG. 3 is a schematic view of the milling and excavating head of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic view of the structure of the dust hood of the present invention;

FIG. 6 is a schematic view of the construction of the mounting arm of the present invention;

FIG. 7 is a schematic view of the structure of the retractable roller of the present invention;

fig. 8 is a schematic structural view of a waist hole in the present invention.

In the figure: 1-cabinet, 101-connecting seat, 102-driving shaft, 103-driving shaft, 104-driving part, 105-hydraulic motor, 1021-driving bearing, 1022-driving wheel, 1023-driving end cover, 1024-driving sealing part, 1031-driving bearing, 1032-driving wheel, 1033-driving end cover, 1034-driving sealing part, 1035-non-circular connecting end, 2-milling and digging head, 201-milling and digging hub, 202-milling and digging tooth, 203-supporting hub, 204-wear-resisting sleeve, 2011-connecting hole, 2012-hub cover, 2013-first connecting screw, 2014-second connecting screw, 3-dust hood, 300-dust suction cavity, 301-dust suction hole, 302-dust suction port, 303-positioning hole, 304-mounting arm, 3041-mounting hole, 3042-mounting bolt, 4-telescopic roller, 401-sliding arm, 402-roller shaft, 403-roller, 404-waist hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1, the novel milling and digging machine comprises a case 1, a milling and digging head 2 installed at the tail end of the case 1 and a dust hood 3 buckled on the milling and digging head 2, wherein the case 1 is used for transmitting power to drive the milling and digging head 2 to rotate, the milling and digging head 2 is used for performing milling and digging work on a wall surface and a ground surface, and the dust hood 3 is used for dust removal work.

In fig. 1 and 2, one end of a case 1 is provided with a connecting seat 101 for connecting a mechanical arm and a driving shaft 102 for connecting an external power source, the mechanical arm is of a conventional structure and is used for lifting and adjusting an angle of a milling and excavating machine, the external power source can be a hydraulic motor or a driving machine, the other end of the case 1 is provided with a transmission shaft 103 for connecting a milling and excavating head 2, the technical scheme that the transmission shaft 103 is directly connected with the milling and excavating head 2 is adopted in the invention, not only is the strength of equipment increased, but also the impact resistance of the equipment is improved, a transmission part 104 is adopted between the driving shaft 102 and the transmission shaft 103 for transmission, in the conventional scheme, a multi-stage gear transmission scheme is often adopted, so that the equipment is huge and is not beneficial to miniaturization, the transmission part 104 is adopted in the scheme, so that the length of the machine body can, in the figure, the hydraulic motor 105 is a conventional one.

Specifically, the transmission member is a chain or a synchronous belt, and the chain can be a single-row chain or a double-row chain.

In fig. 2, the driving shaft 102 in the chassis 1 is mounted on the chassis 1 through driving bearings 1021, in this embodiment, four driving bearings 1021 are provided, a driving wheel 1022 which cooperates with the driving member 104 is mounted on the driving shaft 102, a driving end cap 1023 is provided at the driving shaft 102 of the chassis 1, the driving end cap 1023 is divided into two parts, the driving end cap 1023 is used for mounting the hydraulic motor 105, and a driving sealing member 1024 is provided inside the driving end cap 1023. A transmission shaft 103 in the chassis 1 is mounted on the chassis 1 through a transmission bearing 1031, four sets of transmission bearings 1031 are provided in this embodiment, a transmission wheel 1032 which cooperates with the transmission member 104 to work is mounted on the transmission shaft 103, a transmission end cover 1033 is provided at the position of the transmission shaft 103 of the chassis 1, the transmission end cover 1033 is divided into two parts, a transmission sealing member 1034 is provided inside the transmission end cover 1033, the tail end of the transmission shaft 103 is a non-circular connecting end 1035, and the non-circular connecting end 1035 includes a three-sided shaft, a four-sided shaft, a six-sided shaft.

As shown in fig. 3 and 4, the milling and cutting head 2 includes a milling and cutting hub 201 and a plurality of milling and cutting teeth 202 disposed on the milling and cutting hub 201, wherein: a connecting hole 2011 connected with the non-circular connecting end 1035 is formed in the middle of the milling and digging hub 201, the connecting hole 2011 is matched with the non-circular connecting end 1035 in shape, a hub cover 2012 is arranged on the connecting hole 2011, the hub cover 2012 is mounted on the non-circular connecting end 1035 through a first connecting screw 2013, a support hub 203 is further arranged inside the milling and digging head 2, the support hub 203 is sleeved on the transmission shaft 103, and the milling and digging hub 201 is connected with the support hub 203 through a second connecting screw 2014. It should be noted that a wear-resistant sleeve 204 is disposed between the milling and excavating hub 201 and the transmission end cover 1033.

As shown in fig. 5, the dust hood 3 can rotate around the axis of the milling head 2, the dust hood 3 is hollow to form a dust suction cavity 300, the dust hood 3 is of a thin-shell structure, a plurality of dust suction holes 301 communicated with the dust suction cavity 300 are formed in the inner wall of the dust hood 3, a dust suction port 302 communicated with the dust suction cavity 300 is formed in the outer wall of the dust hood 3, the dust suction port 302 is connected with the negative pressure device through a hose, in the specific implementation, a dust collection box is arranged in front of an air suction pump of the negative pressure device, a plurality of layers of filter screens are arranged at the position, close to the air suction pump, of the dust collection box, so that dust collection can be achieved, a positioning hole 303 is formed in the side wall of the dust hood 3, and in the specific implementation, the positioning hole.

It should be noted that, in this embodiment, the number of the dust hoods 3 is two, the two dust hoods 3 are symmetrically arranged, and both include the dust suction cavity 300, the dust suction hole 301 and the dust suction port 302, which can also be changed to this embodiment, and 1 dust hood 3 is adopted, only a groove needs to be formed in the middle of the dust hood 3, the space reserved in the chassis 1 is required to avoid movement interference, and the side surface of the groove needs to be sealed to ensure the air tightness of the dust suction cavity 300.

It should be further noted that, as shown in fig. 6, 7 and 8, a mounting arm 304 is further disposed at the end of the side wall of the dust hood 3, and a telescopic roller 4 is disposed on the mounting arm 304, wherein: the mounting arm 304 is provided with a plurality of mounting holes 3041 and mounting bolts 3042; in this embodiment, only 2 mounting holes 3041 are included. The telescopic roller 4 comprises a sliding arm 401, a roller shaft 402 arranged at the tail end of the sliding arm 401 and a roller 403 sleeved on the roller shaft 402, and a waist hole 404 is formed in the sliding arm 401; a mounting bolt 3042 is installed between the mounting hole 3041 and the waist hole 404, and the sliding arm 401 can move in the direction of the waist hole 404.

During specific adjustment, the mounting bolt 3042 is firstly unscrewed, then the sliding arm 401 is pulled, and since the waist hole 404 of the sliding arm 401 is positioned by two points of the mounting bolt 3042 and only can do linear motion, the extending distance of the roller 403 can be adjusted by properly adjusting the sliding arm 401, and different extending distances mean different milling and digging depths, so that accurate milling and digging depth adjustment can be realized by adjusting the telescopic roller 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel mill machine of digging, its characterized in that includes quick-witted case (1), installs at the terminal milling of quick-witted case (1) and digs head (2) and detain establish suction hood (3) on milling digging head (2), wherein:

the machine box (1) is used for transmitting power to drive the milling and digging head (2) to rotate, one end of the machine box (1) is provided with a connecting seat (101) used for being connected with a mechanical arm and a driving shaft (102) used for being connected with an external power source, the other end of the machine box (1) is provided with a transmission shaft (103) used for being connected with the milling and digging head (2), the driving shaft (102) and the transmission shaft (103) are transmitted through a transmission piece (104), and the driving shaft (102) is connected with a hydraulic motor or a driving machine;

the dust hood (3) can rotate around the axis of the milling and digging head (2), a dust suction cavity (300) is formed in the dust hood (3) in a hollow mode, a plurality of dust suction holes (301) communicated with the dust suction cavity (300) are formed in the inner wall of the dust hood (3), a dust suction opening (302) communicated with the dust suction cavity (300) is formed in the outer wall of the dust hood (3), the dust suction opening (302) is connected with a negative pressure device through a hose, and a positioning hole (303) is formed in the side wall of the dust hood (3);

the transmission piece (104) is a chain or a synchronous belt.

2. The novel milling and excavating machine as claimed in claim 1, characterized in that a mounting arm (304) is further provided on the end of the side wall of the dust hood (3), the mounting arm (304) is provided with a telescopic roller (4), wherein:

the mounting arm (304) is provided with a plurality of mounting holes (3041) and mounting bolts (3042);

the telescopic roller (4) comprises a sliding arm (401), a roller shaft (402) arranged at the tail end of the sliding arm (401), and a roller (403) sleeved on the roller shaft (402), wherein a waist hole (404) is formed in the sliding arm (401);

the mounting bolt (3042) is mounted between the mounting hole (3041) and the waist hole (404), and the sliding arm (401) can move along the direction of the waist hole (404).

3. The novel milling and excavating machine according to claim 2, characterized in that the driving shaft (102) in the machine box (1) is installed on the machine box (1) through a driving bearing (1021), a driving wheel (1022) which is matched with the driving member (104) to work is installed on the driving shaft (102), a driving end cover (1023) is arranged at the driving shaft (102) of the machine box (1), and a driving sealing member (1024) is arranged inside the driving end cover (1023).

4. A novel milling and excavating machine according to claim 3, characterized in that a transmission shaft (103) in the machine box (1) is installed on the machine box (1) through a transmission bearing (1031), a transmission wheel (1032) which is matched with the transmission piece (104) to work is installed on the transmission shaft (103), a transmission end cover (1033) is arranged at the position of the machine box (1) on the transmission shaft (103), a transmission sealing member (1034) is arranged inside the transmission end cover (1033), and the tail end of the transmission shaft (103) is a non-circular connecting end (1035).

5. The novel milling and excavating machine according to claim 4, characterized in that the milling and excavating head (2) comprises a milling and excavating hub (201) and a plurality of milling and excavating teeth (202) arranged on the milling and excavating hub (201), wherein:

the middle of the milling and digging hub (201) is provided with a connecting hole (2011) connected with the non-circular connecting end (1035), a hub cover (2012) is arranged on the connecting hole (2011), and the hub cover (2012) is installed on the non-circular connecting end (1035) through a first connecting screw (2013).

6. The novel milling and excavating machine is characterized in that a supporting hub (203) is further arranged inside the milling and excavating head (2), the supporting hub (203) is sleeved on the transmission shaft (103), and the milling and excavating hub (201) is connected with the supporting hub (203) through a second connecting screw (2014).