CN216342101U - Telescopic cutting part of heading machine and heading machine - Google Patents
Telescopic cutting part of heading machine and heading machine Download PDFInfo
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- CN216342101U CN216342101U CN202123073482.8U CN202123073482U CN216342101U CN 216342101 U CN216342101 U CN 216342101U CN 202123073482 U CN202123073482 U CN 202123073482U CN 216342101 U CN216342101 U CN 216342101U
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- heading machine
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 44
- 230000009471 action Effects 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims 2
- 239000003921 oil Substances 0.000 abstract description 24
- 239000010730 cutting oil Substances 0.000 abstract description 5
- 230000005641 tunneling Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model discloses a telescopic cutting part of a heading machine and the heading machine, and belongs to the field of heading machines. The cutting part of the heading machine comprises a cutting head, a cutting arm, a cutting speed reducer, a coupler, a cutting motor and a motor frame, wherein the cutting arm is telescopic and is provided with telescopic oil cylinders symmetrically on two sides, and the cutting arm drives the cutting head to move telescopically under the action of the telescopic oil cylinders. And a cutting oil cylinder cover plate is arranged outside the extending end of the telescopic oil cylinder. According to the utility model, the cutting arm is improved, and the large-range telescopic oil cylinders are symmetrically arranged on two sides of the cutting arm, so that the cutting arm can be stably stretched, the cutting head is driven to complete telescopic action, the cutting head is adapted to different tunneling end surfaces, the position of the tunneling machine does not need to be continuously adjusted, and the cutting efficiency is greatly improved. And the cutting oil cylinder cover plate is arranged to prevent the exposed cylinder rod from being smashed when the telescopic oil cylinder extends out in the working process, so that the telescopic oil cylinder is effectively protected, the safety and the reliability are realized, and the service life of the development machine is prolonged.
Description
Technical Field
The utility model relates to the field of tunneling machines, in particular to a telescopic cutting part of a tunneling machine and the tunneling machine.
Background
The cantilever type heading machine is multifunctional modern mechanical equipment integrating coal rock crushing, loading and transferring, the heading speed of the heading machine is continuously improved along with the continuous development of a coal mine roadway heading technology, but the structural design of the existing cutting part cannot cope with a large-section coal mine roadway, and the position of the heading machine needs to be frequently adjusted to adapt to the continuous cutting heading of the coal mine roadway. Therefore, the bottom plate of the roadway is easy to damage, the efficiency is low, and the high-efficiency and high-yield operation of the mine is restricted.
It is therefore apparent that the above-mentioned conventional roadheader still has inconvenience and disadvantages in structure, method and use, and further improvement is needed. How to establish a new telescopic entry driving machine cutting part and entry driving machine, make it realize cutting part along axial concertina movement through telescopic machanism, need not the whole position of reciprocating adjustment entry driving machine, promote tunnelling efficiency, become the target that the industry at present need improve extremely.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a telescopic cutting part of a heading machine, which realizes the telescopic motion of the cutting part along the axial direction through a telescopic mechanism, does not need to adjust the integral machine position of the heading machine in a reciprocating way, improves the heading efficiency and overcomes the defects of the cutting part of the existing heading machine.
In order to solve the technical problems, the utility model provides a telescopic cutting part of a heading machine, which comprises a cutting head, a cutting arm, a cutting speed reducer, a coupler, a cutting motor and a motor frame which are connected in sequence, wherein the cutting arm adopts a telescopic cutting arm, the telescopic cutting arm comprises a cutting spindle, a telescopic protection cylinder, a telescopic outer cylinder, a telescopic inner cylinder, a spline sleeve and a sealing flange plate, the telescopic outer cylinder is sleeved inside the telescopic protection cylinder, the telescopic inner cylinder is sleeved inside the telescopic outer cylinder, the spline sleeve is sleeved inside the telescopic inner cylinder, the cutting spindle is sleeved inside the spline sleeve, the cutting spindle can axially move inside the spline sleeve, the cutting head is rigidly connected with the cutting spindle, the sealing flange plate is fixed on the periphery of the cutting spindle through a bearing, and the front end faces of the telescopic inner cylinder and the telescopic protection cylinder are fixedly connected with the sealing flange plate through bolts, the tail end of the spline sleeve is fixedly connected with an output shaft of the cutting speed reducer, and the tail end of the telescopic outer cylinder is fixedly connected with an output flange plate of the cutting speed reducer through a bolt;
the cutting arm is characterized in that telescopic oil cylinders are symmetrically arranged on two sides of the cutting arm, the extending ends of the telescopic oil cylinders are hinged to lug seats on the telescopic protection cylinders, the fixed ends of the telescopic oil cylinders are hinged to lug seats on the motor frame, and the cutting arm drives the cutting head to do telescopic motion under the action of the telescopic oil cylinders.
The telescopic protection cylinder is further improved, a cutting cylinder cover plate is further arranged outside the extending end of the telescopic cylinder, and the end part of the cutting cylinder cover plate is fixed on two sides of the lug seat of the telescopic protection cylinder.
The cutting speed reducer comprises a two-stage planetary gear transmission mechanism, a cutting speed reducer output shaft and a cutting speed reducer input shaft, wherein the tail end of the cutting speed reducer input shaft is connected with the cutting motor through the coupler, the front end of the cutting speed reducer input shaft is connected with a first-stage planetary gear transmission mechanism of the two-stage planetary gear transmission mechanism, power is transmitted to the cutting speed reducer output shaft through a second-stage planetary gear transmission mechanism, and the cutting speed reducer output shaft is fixedly connected with the tail end of the spline sleeve and drives the cutting spindle to rotate.
The cutting motor is characterized in that the cutting speed reducer, the coupler and the cutting motor are arranged in the motor frame, connecting flanges are arranged at the front end and the rear end of the motor frame, a tail end flange of the telescopic outer barrel and an output flange of the cutting speed reducer are connected with the connecting flange at the front end of the motor frame through bolts, and a shell of the cutting motor is connected with the connecting flange at the rear end of the motor frame.
As another improvement of the utility model, the utility model also provides a heading machine comprising the telescopic heading machine cutting part.
After adopting such design, the utility model has at least the following advantages:
according to the heading machine cutting part with the telescopic mechanism, the cutting arm is improved, the large-range telescopic oil cylinders are symmetrically arranged on two sides of the cutting arm, the cutting arm can be stably stretched under the driving of the telescopic oil cylinders, and the cutting head is driven to complete stretching action so as to adapt to different heading end surfaces, so that the defect that the position of the heading machine needs to be continuously adjusted is overcome, the cutting efficiency is greatly improved, and efficient and high-yield operation of a mine is realized.
Still through setting up cutting cylinder apron for naked jar pole when the flexible hydro-cylinder stretches out in the protection course of the work plays the effect of preventing pounding, effectively protecting flexible hydro-cylinder, prolongs the life of cutting unit. And the power transmission between the cutting motor and the cutting spindle is smoothly realized by arranging the two-stage planetary gear transmission mechanism, so that the cutting power effect is ensured, and the device is safe and reliable.
Drawings
The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.
Fig. 1 is a schematic structural diagram of a retractable cutting part of the heading machine.
Figure 2 is a cross-sectional view of the retractable cutting portion of the roadheader of the present invention.
Fig. 3 is a schematic structural diagram of a cutting arm of the retractable cutting part of the heading machine.
Wherein, 1, a cutting head; 2. a cutting arm; 2-1, cutting the spindle; 2-2, a telescopic protection cylinder; 2-3, a telescopic outer cylinder; 2-4, telescoping the inner cylinder; 2-5, spline housing; 2-6, sealing the flange plate; 3. cutting the cover plate of the oil cylinder; 4. cutting a speed reducer; 4-1, a two-stage planetary gear transmission mechanism; 4-2, cutting the output shaft of the speed reducer; 4-3, cutting speed reducer input shaft; 5. a coupling; 6. a telescopic oil cylinder; 7. a cutting motor; 8. a motor frame.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Specific examples are as follows.
Referring to the attached drawings 1 to 3, the retractable cutting part of the heading machine in the embodiment includes a cutting head 1, a cutting arm 2, a cutting oil cylinder cover plate 3, a cutting speed reducer 4, a coupling 5, a retractable oil cylinder 6, a cutting motor 7 and a motor frame 8.
Wherein, the cutting arm 2 adopts a telescopic cutting arm. The telescopic cutting arm 2 comprises a cutting spindle 2-1, a telescopic protection barrel 2-2, a telescopic outer barrel 2-3, a telescopic inner barrel 2-4, a spline sleeve 2-5 and a sealing flange plate 2-6, wherein the telescopic outer barrel 2-3 is sleeved inside the telescopic protection barrel 2-2, the telescopic inner barrel 2-4 is sleeved inside the telescopic outer barrel 2-3, the spline sleeve 2-5 is sleeved inside the telescopic inner barrel 2-4, the cutting spindle 2-1 is sleeved inside the spline sleeve 2-5, and the cutting spindle 2-1 can axially move inside the spline sleeve 2-5. The cutting head 1 is rigidly connected with a cutting spindle 2-1 through a high-strength bolt, a sealing flange 2-6 is fixed on the periphery of the cutting spindle 2-1 through a bearing, the front end faces of a telescopic inner cylinder 2-4 and a telescopic protection cylinder 2-2 are fixedly connected with the sealing flange 2-6 through bolts, the tail end of a spline sleeve 2-5 is fixedly connected with an output shaft of a cutting speed reducer 4, and the tail end of a telescopic outer cylinder 2-3 is fixedly connected with the output end face of the cutting speed reducer 4 through bolts.
In this embodiment, the two sides of the cutting arm 2 are symmetrically provided with a large-range telescopic oil cylinder 6. The extending end of the telescopic oil cylinder 6 is fastened and hinged with the lug seat on the telescopic protection cylinder 2-2 through a pin shaft, the fixed end of the telescopic oil cylinder 6 is fastened and hinged with the lug seat on the motor frame 8 through a pin shaft, and under the power action of the two telescopic oil cylinders 6, the cutting arm 2 can drive the cutting head 1 to do axial telescopic sliding along the cutting spindle.
In the embodiment, the cutting speed reducer 4 comprises a two-stage planetary gear transmission mechanism 4-1, a cutting speed reducer output shaft 4-2 and a cutting speed reducer input shaft 4-3, the tail end of the cutting speed reducer input shaft 4-3 is connected with a cutting motor 7 through a coupler 5, the front end of the cutting speed reducer input shaft 4-3 is connected with a first-stage planetary gear transmission mechanism of the two-stage planetary gear transmission mechanism 4-1, a second-stage planetary gear transmission mechanism is connected with the cutting speed reducer output shaft 4-2, the cutting speed reducer input shaft 4-3 transmits power to the speed reducer output shaft 4-2 through the two-stage planetary gear transmission mechanism 4-1, and the cutting speed reducer output shaft 4-2 is connected with the tail end of a spline sleeve 2-5.
And in addition, the cutting speed reducer 4, the coupler 5 and the cutting motor 7 are all installed in the motor frame 8, the front end and the rear end of the motor frame 8 are both connecting flanges, the tail end flange of the telescopic outer cylinder 2-3 and the output flange of the cutting speed reducer 4 are connected with the connecting flange at the front end of the motor frame 8 through bolts, the input end of the cutting speed reducer 4 is connected with the output end of the cutting motor 7 through the coupler 5, the outer shell of the cutting motor 7 is fixedly connected with the connecting flange at the rear end of the motor frame 8 through bolts, and the lug bases of the telescopic oil cylinder 6 are fixedly installed on the outer walls of the two sides of the motor frame 8.
The better embodiment is that the extension end of the telescopic oil cylinder 6 is externally provided with a cutting oil cylinder cover plate 3, and the end part of the cutting oil cylinder cover plate 3 is fixed on two sides of the lug seat of the telescopic protection cylinder 2-2 through bolts so as to protect the exposed cylinder rod when the telescopic oil cylinder extends out in the working process, thereby playing the roles of preventing smashing, effectively protecting the telescopic oil cylinder and prolonging the service life of the cutting part.
When the telescopic cutting part of the heading machine is arranged on the heading machine, the specific implementation steps are as follows: when the cutting part of the heading machine cuts a coal mine roadway, the cutting motor 7 sequentially transmits power to the spline sleeve 2-5, the cutting spindle 2-1 and the cutting head 1 through the cutting speed reducer 4 two-stage planetary gear transmission mechanism 4-1, the telescopic size of the cylinder rod of the telescopic oil cylinder 6 is adjusted according to the size of the section, and then the telescopic protection cylinder 2-2, the telescopic inner cylinder 2-4, the cutting spindle 2-1 and the cutting head 1 are driven to move along the axis direction of the cutting motor 7, so that the cutting head 1 is adjusted to a corresponding position to cut, the whole machine position of the heading machine is prevented from being frequently adjusted, and the cutting efficiency is improved.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention in any way, and it will be apparent to those skilled in the art that the above description of the present invention can be applied to various modifications, equivalent variations or modifications without departing from the spirit and scope of the present invention.
Claims (5)
1. A retractable cutting part of a heading machine comprises a cutting head (1), a cutting arm (2), a cutting speed reducer (4), a coupler (5), a cutting motor (7) and a motor frame (8) which are sequentially connected, and is characterized in that the cutting arm (2) adopts a retractable cutting arm, the retractable cutting arm (2) comprises a cutting spindle (2-1), a retractable protective barrel (2-2), a retractable outer barrel (2-3), a retractable inner barrel (2-4), a spline sleeve (2-5) and a sealing flange plate (2-6), the retractable outer barrel (2-3) is sleeved inside the retractable protective barrel (2-2), the retractable inner barrel (2-4) is sleeved inside the retractable outer barrel (2-3), the spline sleeve (2-5) is sleeved inside the retractable inner barrel (2-4), the cutting spindle (2-1) is sleeved inside the spline housing (2-5), and the cutting spindle (2-1) can axially move inside the spline housing (2-5), the cutting head (1) is rigidly connected with the cutting spindle (2-1), the sealing flange plate (2-6) is fixed on the periphery of the cutting spindle (2-1) through a bearing, the front end surfaces of the telescopic inner cylinder (2-4) and the telescopic protection cylinder (2-2) are fixedly connected with the sealing flange plate (2-6) through bolts, the tail end of the spline housing (2-5) is fixedly connected with an output shaft of the cutting speed reducer (4), the tail end of the telescopic outer cylinder (2-3) is fixedly connected with an output flange plate of the cutting speed reducer (4) through a bolt;
the cutting head is characterized in that telescopic oil cylinders (6) are symmetrically arranged on two sides of the cutting arm (2), the extending ends of the telescopic oil cylinders (6) are hinged to lug seats on the telescopic protection cylinders (2-2), the fixed ends of the telescopic oil cylinders (6) are hinged to lug seats on the motor frame (8), and the cutting arm (2) drives the cutting head (1) to do telescopic motion under the action of the telescopic oil cylinders (6).
2. The retractable cutting part of a heading machine according to claim 1, wherein a cutting cylinder cover plate (3) is further arranged outside the extending end of the retractable cylinder (6), and the end of the cutting cylinder cover plate (3) is fixed on two sides of the ear seat of the retractable protection cylinder (2-2).
3. The retractable cutting part of the heading machine as claimed in claim 2, wherein the cutting reducer (4) comprises a two-stage planetary gear transmission mechanism (4-1), a cutting reducer output shaft (4-2) and a cutting reducer input shaft (4-3), the end of the cutting reducer input shaft (4-3) is connected with the cutting motor (7) through the coupling (5), the front end of the cutting reducer input shaft (4-3) is connected with the first-stage planetary gear transmission mechanism of the two-stage planetary gear transmission mechanism (4-1) so as to transmit power to the cutting reducer output shaft (4-2) through the second-stage planetary gear transmission mechanism, the cutting reducer output shaft (4-2) is fixedly connected with the end of the spline housing (2-5), thereby driving the cutting spindle (2-1) to rotate.
4. The retractable cutting part of the heading machine as claimed in claim 3, wherein the cutting speed reducer (4), the coupling (5) and the cutting motor (7) are all mounted in the motor frame (8), the front end and the rear end of the motor frame (8) are both provided with a connecting flange, the end flange of the retractable outer cylinder (2-3) and the output flange of the cutting speed reducer (4) are both connected with the connecting flange at the front end of the motor frame (8) through bolts, and the outer shell of the cutting motor (7) is connected with the connecting flange at the rear end of the motor frame (8).
5. A heading machine comprising a retractable heading machine cutter as claimed in any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123073482.8U CN216342101U (en) | 2021-12-08 | 2021-12-08 | Telescopic cutting part of heading machine and heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123073482.8U CN216342101U (en) | 2021-12-08 | 2021-12-08 | Telescopic cutting part of heading machine and heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216342101U true CN216342101U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123073482.8U Active CN216342101U (en) | 2021-12-08 | 2021-12-08 | Telescopic cutting part of heading machine and heading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216342101U (en) |
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2021
- 2021-12-08 CN CN202123073482.8U patent/CN216342101U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A retractable cutting part of a tunneling machine and a tunneling machine Effective date of registration: 20230626 Granted publication date: 20220419 Pledgee: Qinhuangdao Bank Co.,Ltd. Langfang Branch Pledgor: LANGFANG JINGLONG HEAVY MACHINERY Co.,Ltd. Registration number: Y2023980045648 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address |
Address after: Dachang Chaobaihe Industrial Zone, Langfang City, Hebei Province Patentee after: Hebei Jinglong Intelligent Equipment Co.,Ltd. Address before: Dachang Chaobaihe Industrial Zone, Langfang City, Hebei Province Patentee before: LANGFANG JINGLONG HEAVY MACHINERY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220419 Pledgee: Qinhuangdao Bank Co.,Ltd. Langfang Branch Pledgor: LANGFANG JINGLONG HEAVY MACHINERY Co.,Ltd. Registration number: Y2023980045648 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |