CN112360456A - Heading machine and cutting power head device thereof - Google Patents
Heading machine and cutting power head device thereof Download PDFInfo
- Publication number
- CN112360456A CN112360456A CN202011364323.0A CN202011364323A CN112360456A CN 112360456 A CN112360456 A CN 112360456A CN 202011364323 A CN202011364323 A CN 202011364323A CN 112360456 A CN112360456 A CN 112360456A
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- China
- Prior art keywords
- speed reducer
- driving motor
- cutting
- power head
- speed
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- 238000005520 cutting process Methods 0.000 title claims abstract description 75
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 84
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000005641 tunneling Effects 0.000 claims abstract description 6
- 230000009467 reduction Effects 0.000 claims description 22
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
- E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02034—Gearboxes combined or connected with electric machines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a heading machine and a cutting power head device thereof, wherein the cutting power head device comprises: the driving motor is used for providing power for the rotation of the cutting drum; the speed reducer is used for converting high-speed low-torque power output by the driving motor into low-speed high-torque power and transmitting the low-speed high-torque power to the cutting drum; the cutting drum is connected with the speed reducer and is driven by the driving motor to carry out tunneling and excavating; the output end of the driving motor is connected with the speed reducer, and the driving motor and the speed reducer are arranged in a straight line. The cutting power head device provided by the invention enables the speed reducer and the driving motor to be arranged along one direction, the direction of the output force does not need to be changed, the arrangement of a bevel gear group in the speed reducer is avoided, and the mechanism of the speed reducer is simplified; and the space between the cutting drums can be better utilized, the space occupied by the speed reducer and the drive motor is reduced, and the cutting power head device is favorably miniaturized.
Description
Technical Field
The invention relates to the technical field of tunneling equipment, in particular to a cutting power head device. In addition, the invention also relates to a heading machine comprising the cutting power head device.
Background
As shown in fig. 1, in the existing horizontal-shaft cantilever roadheader product, the cutting mechanism is composed of three parts, namely a driving motor, a speed reducer and cutting drums 01, wherein the speed reducer is in a T-shaped structure, and the speed reducer in the T-shaped structure is provided with a connecting part for connecting with the driving motor and connecting parts respectively connected with the two cutting drums 01; the speed reducer is four-stage speed reduction, wherein one stage is parallel shaft transmission, the second stage is bevel gear transmission, the third-stage four-stage is planetary gear transmission, the input power of high rotating speed and low torque is converted into the output power of low rotating speed and high torque through four-stage speed reduction, and the power is output to the cutting drum 01.
The speed reducer is arranged in a T shape, and the output end of the motor is connected with the speed reducer, so that the occupied space of the speed reducer and the motor is increased, and the installation space of the tunneling machine is higher in requirement; the four-stage speed reduction structure makes the structure inside the speed reducer complicated, increases the cost and the manufacturing difficulty, increases the loss in the power transmission process of the speed reducer, and reduces the transmission efficiency.
In summary, how to reduce the space occupied by the cutting power head device is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a cutting power head device, in which a speed reducer is connected to a driving motor and the speed reducer and the driving motor are arranged in a straight line, so as to reduce the space occupied by the speed reducer and the driving motor.
Another object of the present invention is to provide a heading machine including the cutting power head apparatus described above.
In order to achieve the above purpose, the invention provides the following technical scheme:
a cutting power head apparatus, comprising:
the driving motor is used for providing power for the rotation of the cutting drum;
the speed reducer is used for converting the high-speed low-torque power output by the driving motor into low-speed high-torque power and transmitting the low-speed high-torque power to the cutting drum;
the cutting drum is connected with the speed reducer and is driven by the driving motor to carry out tunneling and excavating;
the output end of the driving motor is connected with the speed reducer, and the driving motor and the speed reducer are arranged in a straight line.
Preferably, the driving motor is a double-output-shaft motor, the number of the speed reducers is two, and the two speed reducers are respectively connected with two ends of the double-output-shaft motor;
the two speed reducers are symmetrically arranged about the middle section of the driving motor in the length direction.
Preferably, the speed reducer comprises a planetary gear speed reducing mechanism, and an output end of the planetary gear speed reducing mechanism is connected with the cutting drum.
Preferably, the planetary gear reduction mechanism is a primary planetary gear reduction mechanism or a secondary planetary gear reduction mechanism.
Preferably, the excavator further comprises a connecting frame used for being mounted on the excavator body, and the connecting frame is connected with the driving motor.
Preferably, the connecting frame and the shell of the driving motor are of an integrated structure.
Preferably, the connection frame is detachably disposed on a housing of the driving motor.
Preferably, the outer diameter of the speed reducer is the same as the outer diameter of the driving motor and is smaller than the inner diameter of the cutting drum.
Preferably, the housing of the speed reducer and the housing of the driving motor are rigidly connected.
A heading machine comprises the cutting power head device.
In the process of using the cutting power head device provided by the invention, the driving motor can drive the speed reducer to rotate and output power to the speed reducer, and the speed reducer converts the power with high rotating speed and low torque into the power with low rotating speed and high torque and outputs the power to the cutting drum so as to drive the cutting drum to rotate.
The output end of the driving motor is connected with the speed reducer, and the driving motor and the speed reducer are arranged in a line shape, so that compared with the prior art that the speed reducer is arranged in a T shape and the line shape, the speed reducer and the driving motor are arranged in one direction without changing the direction of output force, the arrangement of a bevel gear group in the speed reducer is avoided, and the mechanism of the speed reducer is simplified; and the space between the cutting drums can be better utilized, the space occupied by the speed reducer and the drive motor is reduced, and the cutting power head device is favorably miniaturized.
In addition, the invention also provides a heading machine comprising the cutting power head device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of a cutting power head device in the prior art;
FIG. 2 is a schematic structural view of a cutting power head apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a connection relationship between a driving motor and a speed reducer of the cutting power head device in fig. 2.
In FIGS. 1-3:
01 is a cutting drum, 1 is a driving motor, 2 is a speed reducer, and 3 is a connecting frame.
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.
The core of the invention is to provide a cutting power head device, the driving motor and the speed reducer are arranged in a straight line shape, so that the driving motor and the speed reducer are arranged in the same direction, the conversion of the output force of the driving motor in the direction is avoided, the space between two cutting drums is fully utilized, and the space occupied by the whole cutting power head device is reduced. The invention also provides a heading machine comprising the cutting power head device.
Referring to fig. 1-3, fig. 1 is a schematic structural diagram of a cutting power head device in the prior art; FIG. 2 is a schematic structural view of a cutting power head apparatus according to an embodiment of the present invention; fig. 3 is a schematic structural diagram of a connection relationship between a driving motor and a speed reducer of the cutting power head device in fig. 2.
The cutting power head device that this embodiment provided includes: the driving motor 1 is used for providing power for the rotation of the cutting drum 01; the speed reducer 2 is used for converting the high-speed low-torque power output by the driving motor 1 into low-speed high-torque power and transmitting the low-speed high-torque power to the cutting drum 01; the cutting drum 01 is connected with the speed reducer 2 and is driven by the driving motor 1 to carry out tunneling and excavation; the output end of the driving motor 1 is connected with the speed reducer 2, and the driving motor 1 and the speed reducer 2 are arranged in a straight line.
In the process of using the cutting power head device provided by the embodiment, the driving motor 1 can drive the speed reducer 2 to rotate and output power to the speed reducer 2, and the speed reducer 2 converts the power with high rotating speed and low torque into the power with low rotating speed and high torque and outputs the power with low rotating speed and high torque to the cutting drum 01 so as to drive the cutting drum 01 to rotate.
The output end of the driving motor 1 provided by the embodiment is connected with the speed reducer 2, and the driving motor 1 and the speed reducer 2 are arranged in a line shape, compared with the arrangement that the speed reducer 2 is in a T shape in the prior art, the arrangement mode of the line shape enables the speed reducer 2 and the driving motor 1 to be arranged along one direction, the direction of the output force does not need to be changed, the arrangement of a bevel gear set in the speed reducer 2 is avoided, and the mechanism of the speed reducer 2 is simplified; and the space between the cutting drums (01) can be better utilized, the space occupied by the speed reducer (2) and the driving motor (1) is reduced, and the cutting power head device is favorably miniaturized.
The driving motor 1 is a double-output-shaft motor, the number of the speed reducers 2 is two, and the two speed reducers 2 are respectively connected with two ends of an output shaft of the double-output-shaft motor; the two speed reducers 2 are symmetrically arranged about the middle section of the motor in the length direction.
Preferably, the driving motor 1 is a permanent magnet motor, which can improve motor efficiency compared to other types of motors.
As shown in fig. 3, the two speed reducers 2 are symmetrically arranged at two ends of the driving motor 1, the specific size of the driving motor 1 needs to be selected according to actual conditions, and in the working process, the rotation of the driving motor 1 can drive the speed reducers 2 at the two ends to synchronously work, so as to drive the cutting drum 01 to synchronously work.
The speed reducer 2 comprises a planetary gear speed reducing mechanism, and the output end of the planetary gear speed reducing mechanism is connected with the cutting drum 01.
Replace the level four reduction gears among the prior art through planetary gear reduction gears, can make reduction gears's structure in the reduction gear obtain simplifying, the quantity that sets up of spare part has been reduced, and under the condition of accomplishing the same reduction ratio, the shared space of planetary gear reduction gears is less, the quantity that sets up of spare part reduces, make the equipment of speed reducer 2, the installation simplify, and compare in the level four reduction gears among the prior art, in the use, the in-process loss that power transmitted via planetary gear reduction gears is less, can effectively improve transmission efficiency.
The planetary gear reduction mechanism can be a primary planetary gear reduction mechanism or a secondary planetary gear reduction mechanism, which is determined according to actual conditions and is not described herein.
Of course, the speed reducer 2 can transmit the power of the driving motor 1 by arranging other speed reducing mechanisms besides the planetary gear speed reducing mechanism, and only the requirement that the speed reducing mechanism is simple in structure, small in occupied space and capable of meeting requirements is required.
The heading machine is characterized by further comprising a connecting frame 3 used for being mounted on the heading machine body, and the connecting frame 3 is connected with the driving motor 1. In the use process, the cutting power head device is connected with the main body of the heading machine through the connecting frame 3, compared with the prior art, the connecting piece does not need to consider the connection relation between the driving motor 1 and the speed reducer 2 in the setting process, and the setting mode of the connecting frame 3 is simplified.
The connecting frame 3 and the shell of the driving motor 1 can be of an integrated structure, and the integrated structure can be formed by welding or injection molding; the connection frame 3 may be detachably provided in the housing of the drive motor 1, and the connection frame 3 may be fastened to the housing of the drive motor 1 by screws.
It should be noted that, since the connecting frame 3 plays a role in connection, the connecting frame 3 needs to have certain rigidity and strength, and in the process of selecting the material of the connecting frame 3, attention needs to be paid to the material properties so as to meet the design requirements.
The outer diameter of the speed reducer 2 is the same as the outer diameter of the driving motor 1 and is smaller than the inner diameter of the cutting drum 01. During installation, the cutting drum 01 can be sleeved outside the speed reducer 2, and installation is convenient.
In the use process, the external diameter size of the speed reducer 2 is the same as that of the driving motor 1, and the installation and the use are convenient.
The casing that can make speed reducer 2 and driving motor 1 separately sets up to make the casing of speed reducer 2 and driving motor 1's casing rigid connection, when the maintenance, can dismantle convenient maintenance alone to driving motor 1's casing or speed reducer 2's casing.
In addition to the cutting power head device, the invention also provides a heading machine including the cutting power head device disclosed in the above embodiment, and the structures of other parts of the heading machine refer to the prior art, which is not described herein again. The heading machine can be a horizontal shaft type cantilever heading machine, and can also be other types of heading machines, and is determined according to actual conditions.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.
The heading machine and the cutting power head device thereof provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A cutting power head device, comprising:
the driving motor (1) is used for providing power for the rotation of the cutting drum (01);
the speed reducer (2) is used for converting high-speed low-torque power output by the driving motor (1) into low-speed high-torque power and transmitting the low-speed high-torque power to the cutting drum (01);
the cutting drum (01) is connected with the speed reducer (2) and is driven by the driving motor (1) to carry out tunneling and excavating;
the output end of the driving motor (1) is connected with the speed reducer (2), and the driving motor (1) and the speed reducer (2) are arranged in a straight line.
2. The cutting power head device according to claim 1, characterized in that the driving motor (1) is a double-output shaft motor, the number of the speed reducers (2) is two, and the two speed reducers (2) are respectively connected with two ends of the double-output shaft motor;
the two speed reducers (2) are symmetrically arranged relative to the middle section of the driving motor (1) in the length direction.
3. The cutting power head arrangement according to claim 1, characterized in that the speed reducer (2) comprises a planetary gear reduction mechanism, and the output of the planetary gear reduction mechanism is connected with the cutting drum (01).
4. The cutting power head apparatus of claim 3, wherein the planetary gear reduction mechanism is a primary planetary gear reduction mechanism or a secondary planetary gear reduction mechanism.
5. The cutting power head arrangement according to any one of claims 1-4, characterized by further comprising a connecting frame (3) for mounting to a roadheader body, the connecting frame (3) being connected to the drive motor (1).
6. The cutting power head device according to claim 5, characterized in that the connecting frame (3) is of an integral structure with the housing of the drive motor (1).
7. The cutting power head arrangement according to claim 5, characterized in that the connecting frame (3) is detachably arranged to the housing of the drive motor (1).
8. The cutting power head arrangement according to any one of claims 1-4, characterized in that the external diameter dimension of the speed reducer (2) is the same as the external diameter dimension of the drive motor (1) and is smaller than the internal diameter dimension of the cutting drum (01).
9. The cutting power head arrangement according to claim 8, characterized in that the housing of the speed reducer (2) is rigidly connected with the housing of the drive motor (1).
10. A heading machine comprising a cutting head assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011364323.0A CN112360456A (en) | 2020-11-27 | 2020-11-27 | Heading machine and cutting power head device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011364323.0A CN112360456A (en) | 2020-11-27 | 2020-11-27 | Heading machine and cutting power head device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112360456A true CN112360456A (en) | 2021-02-12 |
Family
ID=74535552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011364323.0A Pending CN112360456A (en) | 2020-11-27 | 2020-11-27 | Heading machine and cutting power head device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112360456A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810065A (en) * | 2022-05-07 | 2022-07-29 | 四川华蓥山广能集团嘉华机械有限责任公司 | Permanent magnet direct-drive coal mining machine rocker arm suitable for steep dip angle coal seam and use method thereof |
-
2020
- 2020-11-27 CN CN202011364323.0A patent/CN112360456A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810065A (en) * | 2022-05-07 | 2022-07-29 | 四川华蓥山广能集团嘉华机械有限责任公司 | Permanent magnet direct-drive coal mining machine rocker arm suitable for steep dip angle coal seam and use method thereof |
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