CN114000553A - Excavation mechanism and excavator - Google Patents

Excavation mechanism and excavator Download PDF

Info

Publication number
CN114000553A
CN114000553A CN202111333192.4A CN202111333192A CN114000553A CN 114000553 A CN114000553 A CN 114000553A CN 202111333192 A CN202111333192 A CN 202111333192A CN 114000553 A CN114000553 A CN 114000553A
Authority
CN
China
Prior art keywords
cutting
excavation
cutting tool
cutting device
device body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111333192.4A
Other languages
Chinese (zh)
Inventor
景文川
王建
徐源
罗亮
李刚
王泽贵
武斌
邹忠旋
陈玉博
田维立
王培�
龙晓春
李崇斌
易实
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Sichuan Electric Power Transmission And Transformation Construction Co ltd
Original Assignee
State Grid Sichuan Electric Power Transmission And Transformation Construction Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Sichuan Electric Power Transmission And Transformation Construction Co ltd filed Critical State Grid Sichuan Electric Power Transmission And Transformation Construction Co ltd
Priority to CN202111333192.4A priority Critical patent/CN114000553A/en
Publication of CN114000553A publication Critical patent/CN114000553A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F7/00Equipment for conveying or separating excavated material
    • E02F7/02Conveying equipment mounted on a dredger

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

In order to solve the technical problem that the cutting propulsion of excavation equipment in the prior art is difficult in the excavation process, the embodiment of the invention provides an excavation mechanism and an excavator, and the excavation mechanism comprises: the cutting device is arranged in the excavation feeding lifting mechanism; the excavation feeding lifting mechanism is used for driving the cutting device to move up and down; the cutting device includes: the rotating device is connected with the cutting device body to drive the cutting device body to horizontally rotate; and a cutting device body including: the cutting tool rest comprises a plurality of cutting tool bits; and the power device is connected with the cutting tool holders and is used for driving each cutting tool bit of the cutting tool holders to vertically rotate. The excavating mechanism and the excavator provided by the embodiment of the invention solve the problem that cutting and propelling of excavating equipment for rock stratums in mountainous and hilly areas are difficult in the excavating process; the rotary device of the cutting device and the cutting device body realize efficient excavation of rock soil layers.

Description

Excavation mechanism and excavator
Technical Field
The invention relates to an excavation mechanism and an excavator.
Background
The geological stratum intensity in mountainous and hilly areas changes greatly, and most importantly, rock is stripped in the excavation process. However, the existing excavating equipment is not suitable for rock strata in mountainous and hilly areas, the cutting part is easy to wear, and the cutting propulsion is difficult. The service life of excavation equipment is shortened easily, and the part needs to be changed frequently to, cause the excavation progress slow, the loss of excavation equipment is great.
Disclosure of Invention
In order to solve the technical problem that cutting propulsion of excavation equipment in the prior art is difficult in the excavation process, the embodiment of the invention provides an excavation mechanism and an excavator.
The embodiment of the invention is realized by the following technical scheme:
in a first aspect, an embodiment of the present invention provides an excavation mechanism, including:
the cutting device is arranged in the excavation feeding lifting mechanism; and
the excavation feeding lifting mechanism is used for driving the cutting device to move up and down;
the cutting device includes:
the rotating device is connected with the cutting device body to drive the cutting device body to horizontally rotate; and
a cutting device body comprising:
the cutting tool rest comprises a plurality of cutting tool bits; and
and the power device is connected with the cutting tool holders and is used for driving each cutting tool bit of the cutting tool holders to vertically rotate.
Further, the excavation feed lifting mechanism includes:
a first frame;
the lifting transmission devices are uniformly distributed on the first frame;
the mounting frame is fixedly arranged in the first frame and used for mounting the cutting device; and
the outer frame is fixedly arranged outside the installation frame and is connected with each lifting transmission device so that the lifting transmission devices can drive the cutting devices in the outer frame to move up and down.
Further, the lifting transmission device comprises a hydraulic rod.
Further, the cutting device includes:
the rotating device is connected with the cutting device body to drive the cutting device body to horizontally rotate; and
a cutting device body comprising:
the cutting tool rest comprises a plurality of cutting tool bits; and
and the power device is connected with the cutting tool holders and is used for driving each cutting tool bit of the cutting tool holders to vertically rotate.
Further, the cutting head includes a cutting blade; the cutting blade has a triangular structure; each side of the triangular structure is an arc-shaped side which is concave towards the inside of the cutting blade, and each corner of the triangular structure is provided with a cutting part.
Further, the number of the cutting blades is several; the included angles between adjacent corners of adjacent cutting blades are the same; the rotating device includes:
the rotary transmission shaft of the first hydraulic motor is connected with the cutting device body through a first transmission box so as to drive the cutting device body to horizontally rotate;
the power device comprises:
and the second hydraulic motor is connected with the cutting tool rest through a second transmission case so as to drive each cutting tool bit of the cutting tool rest to vertically rotate.
In a second aspect, an embodiment of the present invention provides a excavator, including:
the excavating mechanism; and
the air suction and slag discharge mechanism is communicated with the inside of the excavating mechanism so as to suck soil out of the excavating mechanism; and
and the pump station trolley is used for conveying high-pressure hydraulic oil for the excavator.
Further, the device also comprises a hoisting device for hoisting the components for installation when the components are installed.
Further, the device also comprises a protective cylinder; the cutting device is arranged in the protective cylinder; the telescopic end of each lifting transmission device is fixedly connected with the outer side of the protective cylinder.
And the control system is arranged on the pump station trolley and used for displaying the state data of each hydraulic oil component and adjusting and controlling the working state of each hydraulic oil component.
Compared with the prior art, the embodiment of the invention has the following advantages and beneficial effects:
according to the excavating mechanism and the excavating machine provided by the embodiment of the invention, the problem that cutting propulsion of excavating equipment for rock stratums in mountainous and hilly areas is difficult in the excavating process is solved through the cutting device and the excavating feeding lifting mechanism; the rotary device of the cutting device and the cutting device body realize efficient excavation of rock soil layers.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic view of the overall structure of the excavator.
Fig. 2 is a schematic structural view of the excavation feed lifting mechanism.
Fig. 3 is a schematic view of the overall structure of the cutting apparatus.
Fig. 4 is a schematic view of the internal structure of the cutting device.
Fig. 5 is a schematic view of the structure of the cutting tool holder.
Fig. 6 is a left side view of the cutting tool holder.
Fig. 7 is a rear view of the cutting tool holder.
Fig. 8 is a bottom structure view of the cutting tool holder.
Figure 9 is a schematic view of the overall arrangement of the excavator.
Fig. 10 is a schematic structural diagram of the suction slag discharging mechanism.
Reference numbers and corresponding part names in the drawings:
1-a cutting device, 2-a cutting tool rest, 3-an excavation feeding lifting mechanism, 4-a tower crane, 5-a protective cylinder, 101-a first hydraulic motor, 102-a first transmission case, 103-a rotary transmission shaft, 104-a connecting cross brace, 105-a slewing bearing, 106-a rotary connecting frame, 107-a self-aligning connecting disc, 108-a second transmission case, 109-a driving sprocket, 110-a second hydraulic motor, 111-a hydraulic oil pipeline, 201-a connecting support, 202-a first cutting mechanism, 203-a second cutting mechanism, 204-a second connecting piece a, 205-a second connecting piece b, 206-a second cutting head a, 207-a second transmission sprocket, 208-a second hexagonal transmission shaft, 209-a second cutting head b, 210-a first connecting piece a, 211-a first connecting piece b, 212-a first cutting head a, 213-a first driving chain wheel, 214-a first cutting head b, 215-a first hexagonal driving shaft, 216-an outer cutting blade, 217-a middle cutting blade, 218-a rear cutting blade, 219-an arc edge, 220-a cutting tooth, 301-a hydraulic rod, 302-an outer frame, 303-an installation frame, 304-a bottom frame, 1010-a power generating set, 1011-a suction and slag discharge mechanism, 1012-a first pump station trolley, 1013-a second pump station trolley, 1014-an excavation mechanism, 401-a suction nozzle, 402-a suction pipe, 403-a storage bin, 404-a bag-type dust remover, 405-a second pipeline, 406-a vacuum pump and 407-a discharger.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.
Examples
In order to solve the technical problem that the cutting propulsion of the excavation equipment in the prior art is difficult in the excavation process, an embodiment of the present invention provides an excavation mechanism, as shown in fig. 1 to 9, including: the cutting device 1 is arranged in the excavation feeding lifting mechanism; the excavation feeding lifting mechanism 3 is used for driving the cutting device to move up and down; the cutting device includes: the rotating device is connected with the cutting device body to drive the cutting device body to horizontally rotate; and a cutting device body including: the cutting tool rest 2 comprises a plurality of cutting tool bits; and the power device is connected with the cutting tool holders and is used for driving each cutting tool bit of the cutting tool holders to vertically rotate.
Therefore, the problem that cutting propulsion of excavating equipment for rock stratums in mountain and hilly areas is difficult in the excavating process is solved through the cutting device and the excavating feeding lifting mechanism; the rotary device of the cutting device and the cutting device body realize efficient excavation of rock soil layers.
Further, the excavation feed lifting mechanism includes:
a first frame;
the lifting transmission devices are uniformly distributed on the first frame;
a mounting frame 303 fixedly arranged in the first frame for mounting the cutting device; and
and the outer frame 302 is fixedly arranged outside the installation frame, and is connected with each lifting transmission device so as to be used for driving the cutting device in the outer frame to perform lifting motion by the lifting transmission device. Optionally, the first frame is a bottom frame 304.
Further, the lifting transmission device comprises a hydraulic rod 301.
Further, the cutting device includes:
the rotating device is connected with the cutting device body to drive the cutting device body to horizontally rotate; and
a cutting device body comprising:
the cutting tool rest comprises a plurality of cutting tool bits; and
and the power device is connected with the cutting tool holders and is used for driving each cutting tool bit of the cutting tool holders to vertically rotate.
Further, the cutting head includes a cutting blade; the cutting blade has a triangular structure; each side of the triangular structure is an arc-shaped side which is concave towards the inside of the cutting blade, and each corner of the triangular structure is provided with a cutting part.
Further, the number of the cutting blades is several; the included angles between adjacent corners of adjacent cutting blades are the same; the rotating device includes:
the rotary transmission shaft of the first hydraulic motor is connected with the cutting device body through a first transmission box so as to drive the cutting device body to horizontally rotate;
the power device comprises:
and the second hydraulic motor is connected with the cutting tool rest through a second transmission case so as to drive each cutting tool bit of the cutting tool rest to vertically rotate.
For better modularization of the equipment, the structure is simpler and more compact, and the power of horizontal rotation and vertical rotation is separated, so that the connection of transmission parts is reduced.
In a second aspect, an embodiment of the present invention provides a excavator, including:
the excavation mechanism 1014; and
the air suction and slag discharge mechanism 1011 is communicated with the inside of the excavating mechanism so as to suck soil out of the excavating mechanism; and
and the pump station trolley is used for conveying high-pressure hydraulic oil for the excavator.
The suction slag discharge mechanism 1011 includes, as shown in fig. 1, the following: the suction nozzle is used for sucking the broken soil; the storage bin is communicated with the suction nozzle and used for storing the broken soil slag sucked by the suction nozzle; the dust remover is communicated with the storage bin and used for removing dust raised in the broken soil residues; and the vacuum pump is used for being communicated with the suction nozzle sequentially through the dust remover and the storage bin.
The suction nozzle is communicated with the space in the protective cylinder for generating broken soil slag.
Referring to fig. 1, the suction slag discharging mechanism includes a suction nozzle 401, a suction pipe 402 and a bin 403, the suction nozzle is communicated with the outside of the upper part of the bin 403 through the suction pipe 402, the top of the bin is communicated with the outside of the lower part of the bag-type dust collector through a first pipeline, and a vacuum pump is communicated with the top of the bag-type dust collector through a second pipeline 405, so that the communication of the suction nozzle, the bin, the dust collector and the vacuum pump is realized.
Thereby, realized providing suction through the vacuum pump and sucking broken dregs through the suction nozzle and save in the feed bin, handled the dust of raising in the broken dregs through the dust remover to when improving the exhaust velocity of broken dregs, avoided the pollution of dust to the environment.
Further, the suction nozzle is communicated with the storage bin through the material suction pipe.
Referring to fig. 1, the top of the suction nozzle is communicated with a bin 403 through a suction pipe 402, and particularly, the top of the suction nozzle is communicated with the upper side of the bin through the suction pipe 402, so that the suction nozzle enters crushed soil into the bin through the suction nozzle to be stored under the suction force provided by a vacuum pump.
Further, a discharger 407 is arranged at the discharge port of the storage bin.
In order to facilitate the transportation of broken dregs in the feed bin, the bin outlet of feed bin is equipped with the tripper, carries out the switch bin outlet through controlling the tripper to the timely transportation of the broken dregs in the feed bin of being convenient for has avoided piling up excessively of broken dregs in the feed bin.
Further, the dust remover is a bag-type dust remover 404.
Further, the dust remover is communicated with the vacuum pump through a pipeline.
Referring to fig. 1, the top of the dust collector is communicated with a vacuum pump through a pipe.
Further, the vacuum pump is a roots vacuum pump 406.
In order to provide a large vacuum suction to the nozzle, the vacuum is a roots vacuum pump.
In order to improve the discharge speed of the excavator, the automation degree of the excavator is greatly improved. A negative-pressure deslagging mechanism is tried by a deslagging and feeding mechanism of the excavator, a Roots vacuum pump is used as a power source, a pipeline and a tank-type bin are pumped into a certain vacuum state, an air inlet is promoted to form two-phase flow of material powder, particles and gas under the action of atmospheric pressure, and the two-phase flow is input into a cyclone separator through a conveying pipeline. The two-phase flow separates most of the material from the gas in the cyclone separator under the action of centrifugal force and gravity. A small amount of materials and gas enter a dust remover, the powder and the gas are separated through the action of a filter bag, and the gas is discharged into the atmosphere, so that the outdoor environment is protected, and the dust pollution is prevented.
Compared with a mechanical flood dragon type discharging mode, the excavation automation degree is improved, the discharging speed is improved by more than 30%, and the quick discharging response speed is increased by more than 50%.
Optionally, a plurality of pump station trolleys are provided; further, there are 2 pump station trolleys, i.e. the first pump station trolley 1012 and the second pump station trolley 1013 are respectively connected to each hydraulic component of the excavator. Each electric device of the excavation mechanism is also connected with a generator set 1010.
Referring to fig. 9, the excavating mechanism is connected with the generator set through an induced draft deslagging mechanism, a first pump station trolley, a second pump station trolley and the generator set respectively.
Further, the device also comprises a hoisting device for hoisting the components for installation when the components are installed. Optionally, the hoisting device is a tower crane 4.
Further, the device also comprises a protective cylinder 5; the cutting device is arranged in the protective cylinder; the telescopic end of each lifting transmission device is fixedly connected with the outer side of the protective cylinder. Optionally, the casing is a steel casing.
In the excavator, the steel casing plays a role in supporting a pile hole and preventing collapse. The steel casing is formed by connecting a plurality of steel casing pieces. The pressure of the lifting mechanism can act on the excavation surface through the steel casing.
Before the contrast, the steel protects a structural atress more reasonable of section of thick bamboo, and the structure is lighter and more handy, more convenient accuse and installation. The butt joint and assembly mode of the single steel casing is changed from original clamp type butt joint into end face type butt joint. The weight of the original single steel casing is 72Kg, the weight of the new single steel casing is only 38Kg, and the weight is reduced by half. Two people can install the device without any hoisting tool. The assembly structure is simple and convenient, and the assembly efficiency is improved by more than 20%.
And the control system is arranged on the pump station trolley and used for displaying the state data of each hydraulic oil component and adjusting and controlling the working state of each hydraulic oil component.
The cutting device includes: the rotating device is connected with the cutting device body to drive the cutting device body to horizontally rotate; and a cutting device body including: the cutting tool rest comprises a plurality of cutting tool bits; and the power device is connected with the cutting tool holders and is used for driving each cutting tool bit of the cutting tool holders to vertically rotate.
A cutting method comprising: starting a power device to enable the hexagonal transmission shaft to rotate to drive the cutting tool bit to vertically rotate; starting the rotating device to drive the cutting device body to horizontally rotate; and controlling the cutting device to ascend and descend to a specified position by the lifting device to cut.
The cutting tool bit refers to a disc grooving machine structure, a plurality of carbon-tungsten alloy tool bit structures which are staggered and brazed are adopted to form a cutter head, a single group of cutter heads rotate at a high speed to rotationally cut a rock body to be excavated, and a plurality of groups of cutter heads form an integral tool bit to do circumferential low-speed revolution motion around a rotating transmission shaft to complete circumferential end face cutting in the whole horizontal direction, so that cutting and hole excavation of hard rock geology are realized, and the problem of difficulty in hole excavation operation of hard rock geology in mountain and hilly areas is solved. The excavation tool bit structure is of a horizontal milling type, high-speed multi-blade staggered cutter heads are hammered and cut in a whole surface mode, cutting is faster and more labor-saving, and the cut slag is small in particle shape, so that slag discharging and feeding equipment can conveniently and quickly pump and feed the slag.
According to the embodiment of the invention, the rotating device drives the cutting device body to rotate horizontally, and the power device drives each cutting tool bit of the cutting mechanism to rotate vertically, so that the cutting device can cut a rock soil layer in the horizontal direction and the longitudinal direction, the cutting efficiency is improved, and the cutting device is suitable for rock soil layer excavation.
Further, the rotating device includes: a first hydraulic motor 101, a rotary transmission shaft 103 of which is connected with the cutting device body through a first transmission box 102 to drive the cutting device body to horizontally rotate; the power device comprises: and the second hydraulic motor 110, the second hydraulic motor 110 is connected with the cutting tool holder through the second transmission case 108 to drive each cutting tool bit of the cutting tool holder to vertically rotate.
Referring to fig. 1 and 2, the first hydraulic motor 101 is connected to a hydraulic oil pipe 111, and a rotary transmission shaft 103 of the first hydraulic motor is connected to a first transmission case 102; the second hydraulic motor 112 is connected to the cutting blade holder via the second transmission case 108.
Optionally, the lower side of the first transmission case is provided with a connecting cross brace 104, so that the position of the first hydraulic motor and the first transmission case is fixed by connecting the connecting cross brace 104 with the external frame.
Further, the first hydraulic motor is connected to the cutting apparatus body sequentially via the first transmission case 102 and the slewing bearing 105.
Further, the cutting device body further comprises a rotary connecting frame 106; the power device is arranged on the rotary connecting frame 106; the cutting tool rest is connected with the rotary connecting frame.
Further, the second hydraulic motor is connected with the second transmission case through a self-aligning connecting disc 107.
Further, the second transmission case is provided with a driving sprocket 109, and the cutting tool rest comprises:
the connecting bracket 201 is connected with the rotary connecting frame and is provided with a hexagonal transmission shaft; and
a cutting mechanism comprising:
the two ends of the hexagonal transmission shaft are provided with cutting tool bits; and
and the driven chain wheel is arranged on the hexagonal transmission shaft and is used for being connected with the driving chain wheel through a conveying belt.
Referring to fig. 5, the cutting insert includes a cutting blade; the cutting blade has a triangular configuration, each side of the triangular configuration being an arcuate side 19 recessed inwardly of the cutting blade, and a cutting portion, optionally a cutting tooth 20, being provided at each corner of the cutting blade.
Furthermore, the triangular structure is a regular triangular structure.
In order to enhance the cutting efficiency, the number of the cutting blades is several, and the center of each cutting blade is provided with a mounting hole for mounting.
Optionally, the number of cutting blades is 3; referring to fig. 5, the cutting blades include an outer cutting blade 16, a middle cutting blade 17, and a rear cutting blade 18; thereby enhancing cutting efficiency by the combined use of a plurality of cutting blades.
Further, each cutting blade has a different size and each corner of each cutting blade has a different position.
Therefore, the cutting of different parts of a rock soil layer is realized through the cutting blades with different sizes, the position of each corner of each cutting blade is different, the cutting effect of each corner of each cutting blade can be favorably realized, and the simultaneous cutting of a plurality of cutting blades in the same position is avoided.
Further, the included angle between adjacent corners of adjacent cutting blades is the same.
Referring to fig. 5, the angles between adjacent corners of adjacent cutting blades are the same, i.e., the angles between adjacent corners are the same, so that the intervals between each corner are the same.
Referring to fig. 3-6, the cutting tool holder comprises: a connecting bracket 201 provided with a cutting mechanism; and the cutting mechanism is arranged on the connecting support and comprises the cutting tool bit.
Further, the cutting mechanism includes: the two ends of the hexagonal transmission shaft are provided with cutting tool bits; the transmission chain wheel is arranged on the hexagonal transmission shaft and is used for being connected with the transmission mechanism; two ends of the hexagonal transmission shaft are also rotatably connected with the connecting bracket through connecting pieces; each cutting blade is arranged on the hexagonal transmission shaft in sequence from large to small, and the smallest cutting blade is positioned at the end position closest to the hexagonal transmission shaft.
Referring to fig. 3-6, the cutting machine is connected with a transmission chain wheel through a transmission mechanism, the transmission chain wheel drives a hexagonal transmission shaft to rotate, and the hexagonal transmission shaft drives cutting bits arranged at two ends of the hexagonal transmission shaft to rotate, so that the cutting of rock soil layers is realized.
In order to enhance the cutting efficiency and the cutting effect, the plurality of cutting blades are arranged on the hexagonal shaft from outside to inside in the order of small to large, and the smallest cutting blade is arranged at the end closest to the hexagonal transmission shaft.
Further, the cutting mechanism includes: the first cutting mechanism 202 is arranged on the connecting bracket; and a second cutting mechanism, which is obliquely arranged on the connecting bracket with the first cutting mechanism 203.
Referring to fig. 4, the right side below the connecting bracket is respectively connected with two ends of a second hexagonal transmission shaft 208 through a second connecting piece a 204 and a second connecting piece b 205, the second hexagonal transmission shaft 208 is connected with a second transmission chain wheel 207, one end of the second hexagonal transmission shaft penetrates out of a second connecting piece b 5 and is connected with a second cutting head a 206, and the other end of the second hexagonal transmission shaft penetrates out of a second cutting head b 209 and is connected with the second connecting piece a 204.
The left side below the connecting bracket is respectively connected with two ends of a first hexagonal transmission shaft 215 through a first connecting piece a 210 and a first connecting piece b 211, the first hexagonal transmission shaft 215 is connected with a first transmission chain wheel 213, the left end of the first hexagonal transmission shaft penetrates out of a first connecting piece b 11 and is connected with a first cutting head a 212, and the right end of the first hexagonal transmission shaft penetrates through a first cutting head b 214 and is connected with the first connecting piece a 210.
Referring to fig. 3, the first cutting mechanism is installed at a position of the connecting bracket diagonally opposite to the second cutting mechanism, so that the first cutting mechanism and the second cutting mechanism are more reasonably distributed on the connecting bracket.
Further, the length of the hexagonal transmission shaft of the first cutting mechanism is larger than that of the hexagonal transmission shaft of the second cutting mechanism.
Referring to fig. 3, the length of the first cutting mechanism is greater than the length of the second cutting mechanism, i.e., the length of the hexagonal drive shaft of the first cutting mechanism is greater than the length of the hexagonal drive shaft of the second cutting mechanism. Thereby the first cutting mechanism and the second cutting mechanism can better cut rock soil layers.
Optionally, the cutting insert is made of an alloy, optionally the alloy is a carbon tungsten alloy.
Therefore, the cutting blade with the triangular structure is convenient for cutting rock soil layers, and the cutting efficiency of the cutting blade is further enhanced through the cutting tool rest.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. An excavation mechanism, comprising:
the cutting device is arranged in the excavation feeding lifting mechanism; and
the excavation feeding lifting mechanism is used for driving the cutting device to move up and down;
the cutting device includes:
the rotating device is connected with the cutting device body to drive the cutting device body to horizontally rotate; and
a cutting device body comprising:
the cutting tool rest comprises a plurality of cutting tool bits; and
and the power device is connected with the cutting tool holders and is used for driving each cutting tool bit of the cutting tool holders to vertically rotate.
2. The excavation mechanism of claim 1, wherein the excavation feed lift mechanism comprises:
a first frame;
the lifting transmission devices are uniformly distributed on the first frame;
the mounting frame is fixedly arranged in the first frame and used for mounting the cutting device; and
the outer frame is fixedly arranged outside the installation frame and is connected with each lifting transmission device so that the lifting transmission devices can drive the cutting devices in the outer frame to move up and down.
3. The excavation mechanism of claim 1, wherein the lifting transmission comprises a hydraulic ram.
4. The excavation mechanism of claim 1, wherein the cutting device comprises:
the rotating device is connected with the cutting device body to drive the cutting device body to horizontally rotate; and
a cutting device body comprising:
the cutting tool rest comprises a plurality of cutting tool bits; and
and the power device is connected with the cutting tool holders and is used for driving each cutting tool bit of the cutting tool holders to vertically rotate.
5. The excavation mechanism of claim 1, wherein the cutting head comprises a cutting blade; the cutting blade has a triangular structure; each side of the triangular structure is an arc-shaped side which is concave towards the inside of the cutting blade, and each corner of the triangular structure is provided with a cutting part.
6. The excavation mechanism of claim 1, wherein the number of cutting blades is a plurality; the included angles between adjacent corners of adjacent cutting blades are the same; the rotating device includes:
the rotary transmission shaft of the first hydraulic motor is connected with the cutting device body through a first transmission box so as to drive the cutting device body to horizontally rotate;
the power device comprises:
and the second hydraulic motor is connected with the cutting tool rest through a second transmission case so as to drive each cutting tool bit of the cutting tool rest to vertically rotate.
7. An excavator, comprising:
the excavation mechanism of any of claims 3-6; and
the air suction and slag discharge mechanism is communicated with the inside of the excavating mechanism so as to suck soil out of the excavating mechanism; and
and the pump station trolley is used for conveying high-pressure hydraulic oil for the excavator.
8. The excavator of claim 7 further comprising a hoist for hoisting said components for installation during installation thereof.
9. The excavator of claim 7 further comprising a shroud; the cutting device is arranged in the protective cylinder; the telescopic end of each lifting transmission device is fixedly connected with the outer side of the protective cylinder.
10. The excavator of claim 7 further comprising a control system mounted to the pump station cart for displaying status data of the hydraulic oil components and adjusting and controlling the operational status of the hydraulic oil components.
CN202111333192.4A 2021-11-11 2021-11-11 Excavation mechanism and excavator Pending CN114000553A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111333192.4A CN114000553A (en) 2021-11-11 2021-11-11 Excavation mechanism and excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111333192.4A CN114000553A (en) 2021-11-11 2021-11-11 Excavation mechanism and excavator

Publications (1)

Publication Number Publication Date
CN114000553A true CN114000553A (en) 2022-02-01

Family

ID=79928573

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111333192.4A Pending CN114000553A (en) 2021-11-11 2021-11-11 Excavation mechanism and excavator

Country Status (1)

Country Link
CN (1) CN114000553A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115387412A (en) * 2022-07-26 2022-11-25 中铁十六局集团第一工程有限公司 High-altitude severe cold area frozen soil excavation equipment

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2696768A1 (en) * 1992-10-09 1994-04-15 Sol Cie Apparatus for digging deep trenches in the ground using milling drums mounted on a frame.
CN102119262A (en) * 2008-07-31 2011-07-06 海瑞克股份公司 Method for introducing a vertical shaft and shaft driving machine
CN102505917A (en) * 2011-11-13 2012-06-20 安长海 Novel structural underground hydraulic rotary drilling well drill
CN104631534A (en) * 2013-11-13 2015-05-20 牛发启 Strip-shaped deep and narrow foundation excavation equipment
US20150322644A1 (en) * 2013-01-29 2015-11-12 Vsl International Ag Hydromill wheel with single disc cutting rollers
CN106320413A (en) * 2016-08-27 2017-01-11 胡杨 Special-shaped drilling and digging machine
CN109139017A (en) * 2018-10-26 2019-01-04 中铁工程装备集团有限公司 A kind of drop shaft sinking shaft excavation machine and its construction method
CN110886335A (en) * 2019-11-29 2020-03-17 杭州市市政工程集团有限公司 Block rock digging and rock entering construction trenching machine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2696768A1 (en) * 1992-10-09 1994-04-15 Sol Cie Apparatus for digging deep trenches in the ground using milling drums mounted on a frame.
CN102119262A (en) * 2008-07-31 2011-07-06 海瑞克股份公司 Method for introducing a vertical shaft and shaft driving machine
CN102505917A (en) * 2011-11-13 2012-06-20 安长海 Novel structural underground hydraulic rotary drilling well drill
US20150322644A1 (en) * 2013-01-29 2015-11-12 Vsl International Ag Hydromill wheel with single disc cutting rollers
CN104631534A (en) * 2013-11-13 2015-05-20 牛发启 Strip-shaped deep and narrow foundation excavation equipment
CN106320413A (en) * 2016-08-27 2017-01-11 胡杨 Special-shaped drilling and digging machine
CN109139017A (en) * 2018-10-26 2019-01-04 中铁工程装备集团有限公司 A kind of drop shaft sinking shaft excavation machine and its construction method
CN110886335A (en) * 2019-11-29 2020-03-17 杭州市市政工程集团有限公司 Block rock digging and rock entering construction trenching machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115387412A (en) * 2022-07-26 2022-11-25 中铁十六局集团第一工程有限公司 High-altitude severe cold area frozen soil excavation equipment
CN115387412B (en) * 2022-07-26 2024-04-09 中铁十六局集团第一工程有限公司 Frozen soil excavation equipment for high-altitude severe cold region

Similar Documents

Publication Publication Date Title
CN111608216B (en) Multifunctional excavator for constructional engineering
CN211974916U (en) Rotary excavating machine muck collecting and lifting device
CN114000553A (en) Excavation mechanism and excavator
CN110541707A (en) Novel shaft slag discharging device
CN110747856B (en) Device and method for scattering cohesive virtual soil pile hole muck
WO2012116651A1 (en) Rotary cylinder type scroll pump, sediment intake device, sediment dredger and dredging method
CN113175016A (en) Composite underwater power dredging drag harrow
CN111390221B (en) Hardware part drilling machine
JP3194786U (en) Tip attachment for scissors
CN217586382U (en) Rock core sampling device for geological prospecting
CN212958637U (en) Efficient excavating device for pipeline development machine
CN107387107B (en) Heading machine for pipe jacking engineering
CN215057334U (en) Mining automatic high-efficient saw cutter
CN212226423U (en) Pipeline is clear from industrial robot that blocks up
CN211898653U (en) Multifunctional digging machine for foundation treatment
CN211887820U (en) High-efficient dust fall screening sand device of sand heap for construction
CN217806904U (en) Coal mine excavation conveying device
CN217870699U (en) Excavation suction vehicle
CN218346398U (en) Energy-conserving outdoor room is built and is used foundation ditch desilting equipment
CN213815251U (en) Show sand table that water conservancy planning design used
CN213828574U (en) Energy-efficient shot-blasting machine
CN213627449U (en) Downhole tool of downhole multi-branch ultrashort radius horizontal drilling completion system
CN221462307U (en) Colliery excavating equipment based on colliery safety in production
CN111229582A (en) High-efficient dust fall screening sand device of sand heap for construction
CN221345707U (en) Wheel bucket structure for bucket wheel machine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20220201