CN117108302A - Tunneling machine shovel material structure and tunneling machine - Google Patents
Tunneling machine shovel material structure and tunneling machine Download PDFInfo
- Publication number
- CN117108302A CN117108302A CN202311346099.6A CN202311346099A CN117108302A CN 117108302 A CN117108302 A CN 117108302A CN 202311346099 A CN202311346099 A CN 202311346099A CN 117108302 A CN117108302 A CN 117108302A
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- Prior art keywords
- shovel
- star wheel
- lateral
- main body
- plate
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- 239000000463 material Substances 0.000 title claims abstract description 65
- 230000005641 tunneling Effects 0.000 title description 9
- 238000003756 stirring Methods 0.000 claims abstract description 68
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 28
- 239000011707 mineral Substances 0.000 abstract description 28
- 238000005065 mining Methods 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 description 11
- 238000000429 assembly Methods 0.000 description 11
- 230000007246 mechanism Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/126—Loading devices or installations
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a shovel material structure of a heading machine and the heading machine, and relates to the technical field of mineral aggregate mining, wherein the shovel material structure comprises a shovel plate main body, a belt conveying piece and two star wheel shifting components; the shovel plate comprises a shovel plate body, and is characterized in that side shovel plates are arranged on two sides of the shovel plate body, a side groove is formed in the side wall of the end portion of the side shovel plate, a side stirring assembly is arranged in the side groove, one end of the side stirring assembly extends to the corner of the front side of the shovel plate body, the star wheel stirring assembly comprises a star wheel rotating shaft, a star wheel sleeve and a plurality of outer stirring plates, the outer stirring plates are circumferentially distributed on the outer side portion of the star wheel sleeve, and the outer stirring plates can rotate around the connecting position of the side stirring assembly and the side groove when rotating around the axis of the star wheel rotating shaft and approaching the side stirring assembly. According to the invention, the lateral material shifting component shifts mineral aggregate which cannot be contacted by the star wheel shifting component, can automatically discharge, improves material receiving capacity, and has the advantages of simple integral structure, convenience in operation and strong practicability.
Description
Technical Field
The invention relates to the technical field of mineral aggregate mining, in particular to a shovel material structure of a heading machine and the heading machine.
Background
The development of mining mechanization is continuous, and the development of the development machine is an integral device for underground operation of coal mines. The shovel plate of the tunneling machine is an important component part of the tunneling machine and is mainly used for collecting and transporting materials in tunneling and is a main operation mechanism of the tunneling machine.
The existing excavator shovel plate structure mainly comprises a shovel plate part and two star wheels, wherein the two star wheels are arranged on the shovel plate part, and the rotation of the star wheels drives mineral aggregates on the shovel plate part to a material receiving part; however, as the front end part of the shovel plate structure is of a linear or fold line type structure, the stirring part of the star wheel cannot touch the corner of the front end part of the shovel plate structure, so that part of mineral aggregate is easily placed on the shovel plate, and the material receiving capacity of the shovel plate structure of the heading machine is affected.
Disclosure of Invention
The invention aims to provide a shovel material structure of a heading machine and the heading machine, which aim to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a development machine shovel material structure and development machine, includes shovel board main part, area conveying piece and two star gear shifting subassembly, two star gear shifting subassemblies are symmetrical to be established on shovel board main part and rotate in opposite directions in step, area conveying piece is established in the middle part of shovel board main part and takes the conveying piece to be used for carrying the material on the shovel board main part to receiving material equipment; the shovel plate comprises a shovel plate body, and is characterized in that side shovel plates are arranged on two sides of the shovel plate body, wherein side grooves are formed in side walls of end parts, close to the front side of the shovel plate body, of the side shovel plates, lateral stirring assemblies capable of rotating opposite to the side shovel plates are arranged in the side grooves, one ends of the lateral stirring assemblies extend to corners of the front side of the shovel plate body, each star wheel stirring and conveying assembly comprises a star wheel rotating shaft, a star wheel sleeve and a plurality of outer stretching stirring plates, the star wheel rotating shaft is rotatably arranged on the shovel plate body, stirring motors are arranged at the end parts of the star wheel rotating shaft, the star wheel sleeve is arranged on the star wheel rotating shaft, the outer side parts of the star wheel sleeve are circumferentially distributed on the plurality of outer stretching stirring plates, and when the outer stretching stirring plates rotate around the axis of the star wheel rotating shaft and are close to the lateral stirring assemblies, the outer stretching stirring plates can drive the lateral stirring assemblies to rotate around the joints of the side stirring assemblies and the side grooves.
Based on the technical scheme, the invention also provides the following optional technical schemes:
in one alternative: the lateral stirring assembly comprises a transmission rod shaft, a main rod shaft and a lateral stirring plate, wherein the transmission rod shaft and the main rod shaft are both rotatably arranged in a lateral groove, a driving gear is arranged on the transmission rod shaft, a driven gear is arranged on the main rod shaft, the driving gear is meshed with the driven gear, one end of the lateral stirring plate is fixedly connected with the main rod shaft, and the transmission rod shaft is connected with the end wall of the lateral groove through a spring bearing; the outer extension stirring plate is provided with an arc-shaped rack at one end part far away from the star wheel sleeve, and the arc-shaped rack is meshed with the driving gear when passing through the transmission rod shaft.
In one alternative: the pitch circle diameter of the driving gear is larger than the depth of the lateral groove, and the outer diameter of the driven gear is smaller than the depth of the lateral groove.
In one alternative: the thickness of the lateral shifting plate is equal to the depth of the lateral groove, and one end part of the lateral shifting plate, which is far away from the main rod shaft, extends to the front side corner of the shovel plate main body.
In one alternative: the front side of the shovel plate main body is provided with a front plate, and the upper surface of the front plate is of an inclined surface structure.
In one alternative: the shovel plate is characterized in that an air inlet connected with the air supply system is further formed in the shovel plate main body, the air inlet is located between the belt conveying piece and the star wheel rotating shaft, a plurality of air guide cavities are formed in the star wheel sleeve, the air guide cavities face to the end side of the shovel plate main body, the air guide cavities are located between two outward extending shifting plates, and a plurality of groups of air injection holes which are respectively communicated with the plurality of air guide cavities are formed in the outer wall of the star wheel sleeve.
In one alternative: the shovel plate is characterized in that a groove opening part is formed in the middle of the shovel plate body, a mounting rod shaft for mounting a conveying piece is arranged in the groove opening part, a containing groove is formed in the bottom of the shovel plate body, and a stirring motor and a pipeline connected with an air supply system are arranged in the containing groove.
The development machine comprises a development machine main body part and the development machine shoveling structure, wherein the development machine shoveling structure is arranged at the front end part of the development machine main body part, and can vertically swing relative to the front end part of the development machine main body part.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the two star wheel shifting assemblies rotate relatively and intensively shift and convey mineral aggregates on the shovel plate main body to the belt conveying part, and the mineral aggregates are conveyed to the receiving equipment by the belt conveying part, so that automatic shovel materials can be realized, and the efficiency is higher;
2. when the two star wheel shifting assemblies rotate relatively, under the driving of the two star wheel shifting assemblies, the two lateral shifting assemblies can shift mineral aggregate at the front side edge angle of the shovel plate main body to the position between the two external extending shifting plates, so that the material collecting capacity of the shovel plate main body is improved;
3. the automatic feeding device is simple in structure, can automatically discharge, can feed mineral aggregate which cannot be contacted by the star wheel feeding assembly through the lateral feeding assembly, improves material receiving capacity, is convenient to operate and is high in practicability.
Drawings
Fig. 1 is a schematic view of the shovel according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a star wheel shifting assembly according to an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of fig. 1 at a.
FIG. 4 is a schematic illustration of a body portion of a shovel excavator in one embodiment of the present invention.
Reference numerals annotate: the shovel body 100, the accommodating groove 110, the air intake hole 120, the notch 130, the front plate 140, the star wheel shift assembly 200, the star wheel shaft 210, the star wheel sleeve 220, the outer extension shift plate 230, the circular arc rack 240, the shift motor 250, the air guide chamber 260, the cavity opening 270, the air injection hole 280, the belt conveyor 300, the mounting shaft 310, the side shovel 400, the side groove 420, the side shift assembly 500, the transmission shaft 510, the main shaft 520, the driving gear 530, the driven gear 540, and the side shift plate 550.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples; in the drawings or description, similar or identical parts are provided with the same reference numerals, and in practical applications, the shape, thickness or height of each part may be enlarged or reduced. The examples set forth herein are intended to be illustrative of the invention and are not intended to limit the scope of the invention. Any obvious modifications or alterations to the invention, as would be apparent, are made without departing from the spirit and scope of the present invention.
In one embodiment, as shown in fig. 1-3, a shovel material structure of a tunneling machine comprises a shovel body 100, a belt conveying member 300 and two star wheel shifting assemblies 200, wherein the two star wheel shifting assemblies 200 are symmetrically arranged on the shovel body 100 and synchronously rotate in opposite directions, the belt conveying member 300 is arranged in the middle of the shovel body 100, and the belt conveying member 300 is used for conveying materials on the shovel body 100 into a material receiving device; the two sides of the shovel body 100 are respectively provided with a side shovel 400, wherein a side groove 420 is formed in the side wall of the end part of the side shovel 400, which is close to the front side of the shovel body 100, and a side material shifting assembly 500 capable of rotating relative to the side shovel 400 is arranged in the side groove 420, the side material shifting assembly 500 is connected with the inner wall of the side groove 420 through a spring bearing, one end of the side material shifting assembly 500 extends to the front side corner of the shovel body 100, the star wheel shifting assembly 200 comprises a star wheel rotating shaft 210, a star wheel sleeve 220 and a plurality of outer material shifting plates 230, the star wheel rotating shaft 210 is rotatably arranged on the shovel body 100, a material shifting motor 250 is arranged at the end part of the star wheel rotating shaft 210, the star wheel sleeve 220 is arranged on the star wheel rotating shaft 210, the plurality of outer material shifting plates 230 are circumferentially distributed at the outer side part of the star wheel sleeve 220, and the outer material shifting plates 230 are outwardly extended to drive the side material shifting assembly 500 to rotate around the connection part with the side material shifting assembly 420 when the axis of the star wheel rotating shaft 210 is close to the side material shifting assembly 500;
in the embodiment of the invention, mineral aggregate extracted from a mine tunnel by a heading machine is placed on the shovel plate main body 100, the side shovel plate 400 is arranged to limit the mineral aggregate from falling off from the periphery of the shovel plate main body 100, the corner of the rear end part of the shovel plate main body 100 is in cambered surface transition, and the center of the cambered surface is positioned on the axis of the star wheel rotating shaft 210; the material stirring motor 250 drives the corresponding star wheel rotating shaft 210 to rotate, the star wheel rotating shaft 210 drives the star wheel sleeve 220 to rotate, the plurality of outward extending material stirring plates 230 rotate around the star wheel rotating shaft 210 and stir and convey mineral materials on the shovel plate main body 100 to the belt conveying piece 300, the belt conveying piece 300 conveys the mineral materials into material receiving equipment, when each outward extending material stirring plate 230 rotates to the connection position of the lateral material stirring assembly 500 and the lateral groove 420, the end part of the outward extending material stirring plate 230 can drive the lateral material stirring assembly 500 to rotate around the connection position of the lateral groove 420, the lateral material stirring assembly 500 rotates towards the middle part of the shovel plate main body 100, the lateral material stirring assembly 500 further stir and convey the mineral materials positioned at the front side edge angle of the shovel plate main body 100 between the two outward extending material stirring plates 230, and the mineral materials move to the belt conveying piece 300 under stirring of the outward extending material stirring plates 230; when the end part of the outer extension stirring plate 230 is far away from the connection part of the lateral stirring assembly 500 and the lateral groove 420, the lateral stirring assembly 500 rotates to the original position under the elastic action of the spring bearing, so that the interference between the lateral stirring assembly 500 and the outer extension stirring plate 230 is avoided, the mineral aggregate is further effectively prevented from remaining on the shovel body 100, and the receiving capacity of the whole shovel mechanism is increased.
In one embodiment, as shown in fig. 1-3, the lateral material shifting assembly 500 includes a transmission shaft 510, a main shaft 520 and a lateral material shifting plate 550, where the transmission shaft 510 and the main shaft 520 are rotatably disposed inside the lateral slot 420, a driving gear 530 is disposed on the transmission shaft 510, a driven gear 540 is disposed on the main shaft 520, the driving gear 530 is meshed with the driven gear 540, one end of the lateral material shifting plate 550 is fixedly connected with the main shaft 520, and the transmission shaft 510 is connected with an end wall of the lateral slot 420 through a spring bearing; an end part of the outer extension stirring plate 230, which is far away from the star wheel sleeve 220, is provided with an arc-shaped rack 240, and the arc-shaped rack 240 is meshed with the driving gear 530 when passing through the transmission shaft 510; in the embodiment of the present invention, the outer extension stirring plate 230 rotates around the axis of the star wheel rotating shaft 210 and stirs the mineral aggregate on the belt conveying member 300, the circular arc-shaped rack 240 rotates along with the outer extension stirring plate 230, when the rotating circular arc-shaped rack 240 passes through the transmission shaft 510, the transmission shaft 510 rotates through the engagement of the transmission shaft 240 with the driving gear 530, and the transmission shaft 510 rotates the main shaft 520 through the engagement of the driving gear 530 with the driven gear 540, so that the lateral stirring plate 550 rotates toward the center of the shovel body 100 under the driving of the main shaft 520, and then the mineral aggregate at the front side corner of the shovel body 100 is stirred between the two outer extension stirring plates 230.
In one embodiment, as shown in FIG. 3, the pitch diameter of the drive gear 530 is greater than the depth of the lateral groove 420 and the outer diameter of the driven gear 540 is less than the depth of the lateral groove 420; in the embodiment of the present invention, the pitch circle diameter of the driving gear 530 is slightly larger than the depth of the lateral groove 420, so that the teeth of the driving gear 530 can extend out of the lateral groove 420, when the circular arc-shaped rack 240 passes through the transmission shaft 510, the circular arc-shaped rack 240 can be meshed with the driving gear 530, the outer diameter of the driven gear 540 is smaller than the depth of the lateral groove 420, and the teeth of the driven gear 540 are completely located inside the lateral groove 420, so that the driven gear 540 does not hinder the rotation of the circular arc-shaped rack 240.
In one embodiment, as shown in FIG. 3, the lateral deflector 550 has a thickness equal to the depth of the lateral slot 420 and an end of the lateral deflector 550 distal from the main shaft 520 extends to the front side corner of the blade body 100; in the embodiment of the present invention, the lateral deflector 550 does not expose the lateral groove 420, which affects the rotation of the outer extension deflector 230, and the end of the lateral deflector 550 can touch the mineral aggregate at the front corner of the shovel body 100, so as to stir the mineral aggregate at the front corner of the shovel body 100.
In one embodiment, as shown in fig. 1, a front plate 140 is disposed on a front side of the shovel body 100, and an upper surface of the front plate 140 is in a bevel structure; in the embodiment of the present invention, the inclined surface of the front plate 140 can effectively scoop up mineral aggregate on the ground.
In one embodiment, as shown in fig. 1, 2 and 4, the shovel body 100 is further provided with an air inlet hole 120 connected with an air supply system, the air inlet hole 120 is located between the belt conveying member 300 and the star wheel rotating shaft 210, the star wheel sleeve 220 is provided with a plurality of air guide cavities 260, the end side of the air guide cavities 260 facing the shovel body 100 is provided with an cavity opening 270, the air guide cavities 260 are located between two outer extension stirring plates 230, and the outer wall of the star wheel sleeve 220 is provided with a plurality of groups of air injection holes 280 respectively communicated with the plurality of air guide cavities 260; in the embodiment of the invention, the air supply system is an air pump or a fan; when the air guide cavity 260 rotates to a position communicated with the air inlet hole 120 along with the rotation of the star wheel rotating shaft 210, the air supply system guides air flow to the inside of the air guide cavity 260 through the air inlet hole 120, and the air flow in the inside of the air guide cavity 260 blows to the belt conveying member 300 through the air injection hole 280, so that the air flow can blow mineral aggregate between the two outer extension material stirring plates 230 to the belt conveying member 300, and further, the mineral aggregate is prevented from remaining between the two outer extension material stirring plates 230.
In one embodiment, as shown in fig. 1 and 4, the middle portion of the blade body 100 is provided with a notch portion 130 and a mounting rod shaft 310 for mounting the belt conveyer 300 is provided in the notch portion 130, the bottom of the blade body 100 is provided with a receiving groove 110, and a stirring motor 250 and a pipe connected to an air supply system are installed inside the receiving groove 110.
The embodiment of the invention also provides a development machine, which comprises a development machine main body part and the development machine shovel material structure in any embodiment, wherein the development machine shovel material structure is arranged at the front end part of the development machine main body part, and the development machine shovel material structure can do vertical swing motion relative to the front end part of the development machine main body part.
The above embodiment provides a shoveling structure of a heading machine and a heading machine, wherein, a shoveling motor 250 drives a corresponding star wheel rotating shaft 210 to rotate and the star wheel rotating shaft 210 drives a star wheel sleeve 220 to rotate, a plurality of outward extending shovels 230 rotate around the star wheel rotating shaft 210 and convey mineral aggregate on a shoveling plate main body 100 to a belt conveying member 300, the belt conveying member 300 conveys the mineral aggregate into a material receiving device, when each outward extending shovels 230 rotates to a connection position of a lateral shoveling assembly 500 and a lateral groove 420, the end part of each outward extending shoveling plate 230 can drive the lateral shoveling assembly 500 to rotate around the connection position of the lateral groove 420, and the lateral shoveling assembly 500 rotates towards the middle of the shoveling plate main body 100, so that the lateral shoveling assembly 500 can shift the mineral aggregate at the front side corner of the shoveling plate main body 100 between the two outward extending shoveling plates 230, and the mineral aggregate moves onto the belt conveying member 300 under the stirring of the outward extending shoveling plates 230; when the end of the outer extension stirring plate 230 is far away from the connection part of the lateral stirring assembly 500 and the lateral groove 420, the lateral stirring assembly 500 rotates to the original position, so that the interference between the lateral stirring assembly 500 and the outer extension stirring plate 230 is avoided, the mineral aggregate is effectively prevented from remaining on the shovel plate main body 100, and the goods receiving capacity of the whole shovel mechanism is increased.
The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a tunneller shovel material structure, includes shovel board main part, takes the conveyer and two star gear to dial and send the subassembly, its characterized in that, two star gear dial send the subassembly to set up symmetrically on shovel board main part and rotate with opposite direction is synchronous, take the conveyer to set up in the middle part of shovel board main part, shovel board main part both sides all are provided with the side shovel board;
the side shovel plate is provided with a side groove on the side wall of the end part close to the front side of the shovel plate main body, and a side material shifting assembly capable of rotating opposite to the side shovel plate is arranged in the side groove, the side material shifting assembly is connected with the inner wall of the side groove through a spring bearing, and one end of the side material shifting assembly extends to the front side corner of the shovel plate main body;
the star wheel shifting assembly comprises a star wheel rotating shaft, a star wheel sleeve and a plurality of externally extending shifting plates;
the star wheel rotating shaft is rotatably arranged on the shovel plate main body, the end part of the star wheel rotating shaft is provided with a material stirring motor, and the star wheel sleeve is arranged on the star wheel rotating shaft;
the plurality of outer extension stirring plates are circumferentially distributed at the outer side part of the star wheel sleeve, and when the outer extension stirring plates rotate around the axis of the star wheel rotating shaft and are close to the lateral stirring assembly, the rotating outer extension stirring plates can drive the lateral stirring assembly to rotate around the joint with the lateral groove.
2. The development machine shovel material structure according to claim 1, wherein the lateral kicker assembly comprises a drive shaft, a main shaft, and a lateral kicker plate;
the transmission rod shaft and the main rod shaft are both rotatably arranged in the lateral groove, a driving gear is arranged on the transmission rod shaft, a driven gear is arranged on the main rod shaft, and the driving gear is meshed with the driven gear;
one end of the lateral shifting plate is fixedly connected with the main rod shaft, and the transmission rod shaft is connected with the end wall of the lateral groove through a spring bearing;
the outer extension stirring plate is provided with an arc-shaped rack at one end part far away from the star wheel sleeve, and the arc-shaped rack is meshed with the driving gear when passing through the transmission rod shaft.
3. A development shovel structure according to claim 2 wherein the pitch diameter of the drive gear is greater than the depth of the lateral slots and the outer diameter of the driven gear is less than the depth of the lateral slots.
4. A development shovel material structure according to claim 3 wherein the lateral deflector has a thickness equal to the depth of the lateral slot and an end of the lateral deflector remote from the main shaft extends to a front corner of the shovel body.
5. The shoveling structure of a heading machine as recited in claim 1, wherein a front plate is provided on a front side of the shovel body and an upper surface of the front plate is of a slope structure.
6. The shoveling structure of the heading machine of claim 1, wherein an air inlet hole connected with an air supply system is further formed in the shoveling plate main body;
the air inlet is positioned between the belt conveying piece and the star wheel rotating shaft, a plurality of air guide cavities are arranged on the star wheel sleeve, and an cavity opening is formed in the side, facing the shovel plate main body, of the air guide cavities;
the air guide cavities are positioned between the two outer extension stirring plates, and a plurality of groups of air injection holes which are respectively communicated with the plurality of air guide cavities are formed in the outer wall of the star wheel sleeve.
7. The shoveling structure of a heading machine as recited in claim 6, wherein a slot part is provided at a middle part of the shovel plate main body, a mounting rod shaft for mounting the belt conveying member is provided in the slot part, a receiving slot is provided at a bottom of the shovel plate main body, and a material shifting motor and a pipe connected with the air supply system are mounted in the receiving slot.
8. A heading machine, characterized by comprising a heading machine main body part and a heading machine shovel material structure as claimed in any one of claims 1-7, wherein the heading machine shovel material structure is arranged at the front end part of the heading machine main body part, and the heading machine shovel material structure can do vertical swinging motion relative to the front end part of the heading machine main body part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311346099.6A CN117108302B (en) | 2023-10-18 | 2023-10-18 | Tunneling machine shovel material structure and tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311346099.6A CN117108302B (en) | 2023-10-18 | 2023-10-18 | Tunneling machine shovel material structure and tunneling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117108302A true CN117108302A (en) | 2023-11-24 |
| CN117108302B CN117108302B (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311346099.6A Active CN117108302B (en) | 2023-10-18 | 2023-10-18 | Tunneling machine shovel material structure and tunneling machine |
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| CN (1) | CN117108302B (en) |
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| Title |
|---|
| 祁世栋;: "矿用连采机铲板浮动研究", 世界有色金属, no. 06 * |
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| Publication number | Publication date |
|---|---|
| CN117108302B (en) | 2023-12-26 |
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