CN212803209U - Rocker arm transmission device of coal mining machine - Google Patents
Rocker arm transmission device of coal mining machine Download PDFInfo
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- CN212803209U CN212803209U CN202021333985.7U CN202021333985U CN212803209U CN 212803209 U CN212803209 U CN 212803209U CN 202021333985 U CN202021333985 U CN 202021333985U CN 212803209 U CN212803209 U CN 212803209U
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Abstract
The embodiment of the utility model discloses rocker arm transmission of coal-winning machine, include: the cutting machine comprises an asynchronous motor, a first synchronous belt wheel, a second synchronous belt wheel, a third synchronous belt wheel, a fourth synchronous belt wheel, a first synchronous belt, a second synchronous belt, a first mandrel, a second mandrel, a third mandrel and a cutting drum; the asynchronous motor is connected with the first mandrel, and the first synchronous belt pulley is arranged on the first mandrel; the first synchronous belt pulley is connected with a second synchronous belt pulley through a first synchronous belt, the second synchronous belt pulley and a third synchronous belt pulley are arranged on a second mandrel, and the third synchronous belt pulley is connected with a fourth synchronous belt pulley through a second synchronous belt; the fourth synchronous belt wheel is arranged on the third mandrel, and the third mandrel is connected with the cutting drum. Like this, the coal-winning machine adopts the mode of hold-in range conveying to drive the cutting drum and rotates, has reduced the noise that produces when rotating, and the wearing and tearing are less relatively in the hold-in range data send process, increase life, improve transmission efficiency to synchronous pulley dismantles more easily, convenient maintenance.
Description
Technical Field
The utility model belongs to the technical field of coal mining, especially, relate to a rocker arm transmission of coal-winning machine.
Background
Because the ore volume in colliery is great to it is harder, consequently need the coal-winning machine to carry out the mining to it, carry out the coal ore after smashing, be connected with the cutting drum through the rocking arm on the coal-winning machine, smash the colliery stone through the cutting drum.
The rocker arm of the existing coal mining machine generally adopts a gear transmission mode to control the operation of the cutting drum, but the gear transmission mode has the disadvantages of high noise, inconvenient installation and maintenance, and low service life and transmission efficiency.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention proposes a ranging arm transmission of a coal mining machine in order to overcome the above problems or at least partially solve the above problems.
According to the utility model discloses an aspect provides a rocking arm transmission of coal-winning machine, a serial communication port, include: the cutting machine comprises an asynchronous motor, a first synchronous belt wheel, a second synchronous belt wheel, a third synchronous belt wheel, a fourth synchronous belt wheel, a first synchronous belt, a second synchronous belt, a first mandrel, a second mandrel, a third mandrel and a cutting drum;
the asynchronous motor is connected with the first mandrel, and the first synchronous belt pulley is arranged on the first mandrel;
the first synchronous belt pulley is connected with the second synchronous belt pulley through a first synchronous belt, the second synchronous belt pulley and the third synchronous belt pulley are arranged on the second mandrel, and the third synchronous belt pulley is connected with the fourth synchronous belt pulley through a second synchronous belt;
the fourth synchronous belt wheel is arranged on the third mandrel, and the third mandrel is connected with the cutting drum.
Furthermore, a planet wheel is arranged in the cutting drum, and the planet wheel is connected with one end of the third mandrel through a coupler.
Further, a shaft coupling seat is arranged at the end part of the first mandrel, and/or the second mandrel, and/or the third mandrel.
Furthermore, an end cover is arranged on the outer side of the shaft coupling seat.
Further, the end cover is fixed on the shaft coupling seat through a screw.
Furthermore, a positioning ring is arranged on the second mandrel and is positioned between the second synchronous belt wheel and the third synchronous belt wheel.
The embodiment of the utility model provides a rocker arm transmission of coal-winning machine has following beneficial effect:
through the technical scheme of the utility model, in the coal mining process, the asynchronous machine who sets up on the coal-winning machine drives first synchronous pulley through first dabber and rotates, and first synchronous pulley drives the rotation of second synchronous pulley through first hold-in range, and second synchronous pulley conveys the turning force to third synchronous pulley on through the second dabber, and third synchronous pulley drives fourth synchronous pulley through the second conveyer belt and rotates, and fourth synchronous pulley passes through the rotation of third dabber drive cutting drum. Like this the cutting drum will carry out the cutting process to the colliery for the colliery is smashed, then transports the colliery stone out of the colliery, and the rocking arm on the coal-winning machine adopts the mode of hold-in range conveying to drive the cutting drum and rotates, and then reduces the noise that produces when rotating, and the wearing and tearing are less relatively in the hold-in range data send process, can increase life, improve transmission efficiency, and synchronous pulley dismantles convenient maintenance more easily.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
The invention will be more clearly understood from the following detailed description, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a rocker arm transmission device of a coal mining machine according to an embodiment of the present invention;
figure 2 is a schematic cross-sectional view of a cutting drum according to an embodiment of the present invention.
Description of reference numerals: 1 an asynchronous motor, a stator and a rotor,
21 a first synchronous pulley, 22 a second synchronous pulley, 23 a third synchronous pulley, 24 a fourth synchronous pulley;
31 a first synchronous belt, 32 a second synchronous belt;
41 a first mandrel, 42 a second mandrel, 43 a third mandrel, 44 a coupling seat and 45 an end cover;
5 cutting drum, 51 planet wheel, 52 coupling.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As shown in fig. 1, the present embodiment proposes a rocker arm transmission device of a coal mining machine, including: the cutting machine comprises an asynchronous motor 1, a first synchronous pulley 21, a second synchronous pulley 22, a third synchronous pulley 23, a fourth synchronous pulley 24, a first synchronous belt 31, a second synchronous belt 32, a first mandrel 41, a second mandrel 42, a third mandrel 43 and a cutting drum 5; the asynchronous motor 1 is connected with a first mandrel 41, and a first synchronous pulley 21 is arranged on the first mandrel 41; the first synchronous pulley 21 is connected with the second synchronous pulley 22 through a first synchronous belt 31, the second synchronous pulley 22 and a third synchronous pulley 23 are arranged on a second mandrel 42, and the third synchronous pulley 23 is connected with a fourth synchronous pulley 24 through a second synchronous belt 32; the fourth timing pulley 24 is arranged on the third spindle 43, the third spindle 43 being connected to the cutting drum 5.
In the above scheme, in the coal mining process, the asynchronous motor 1 arranged on the coal mining machine drives the first synchronous pulley 21 to rotate through the first mandrel 41, the first synchronous pulley 21 drives the second synchronous pulley 22 to rotate through the first synchronous belt 31, the second synchronous pulley 22 transmits the rotating force to the third synchronous pulley 23 through the second mandrel 42, the third synchronous pulley 23 drives the fourth synchronous pulley 24 to rotate through the second conveyor belt, and the fourth synchronous pulley 24 drives the cutting drum 5 to rotate through the third mandrel 43. The cutting drum 5 will cut the coal mine, crush the coal mine and transport the coal mine out of the coal mine.
Wherein the effect of adjusting the rotational speed of the cutting drum 5 can be achieved by changing the rotational speed of the asynchronous motor 1.
Through the scheme, the rocker arm on the coal mining machine drives the cutting drum 5 to rotate by adopting a mode of conveying the synchronous belt, so that the noise generated during rotation is reduced, the abrasion in the conveying process of the synchronous belt is relatively less, the service life can be prolonged, the transmission efficiency is improved, and the synchronous belt wheel is easy to disassemble and convenient to maintain.
In the embodiment in which planet wheels 51 are provided in the cutting drum 5, the planet wheels 51 are connected to one end of the third spindle 43 by means of a coupling 52.
In the solution described above, the fourth timing pulley 24 is transmitted as a rotational force of the planet wheels 51 via the third spindle 43, and is transmitted to the cutting drum 5 via the planet wheels 51. The planet wheels 51 can regulate the rotational speed transmitted by the third mandrel 43 and output the rotational speed to the cutting drum 5, ensuring that the cutting drum 5 can keep running at a normal rotational speed.
In a particular embodiment, the ends of the first mandrel 41, and/or the second mandrel 42, and/or the third mandrel 43 are provided with a coupling seat 44.
In the above solution, the coupling seats 44 are respectively disposed at the outer end of the third spindle 43, the two ends of the second spindle 42, and the outer end of the first spindle 41, and the coupling seats 44 are used for fixing the spindles while ensuring the spindles to normally rotate.
In the exemplary embodiment, an end cap 45 is provided on the outside of the coupling boss 44.
In the above solution, the end cover 45 is used to fix the coupling seat 44 and protect the coupling seat 44. The end cap 45 may be directly snap-fitted to the coupling seat 44, or the end cap 45 may be fixed to the coupling seat 44 by other fixing members. Wherein, there are a plurality of coupling seats 44, and an end cover 45 can be arranged at the outer side of any one or more coupling seats 44.
In a particular embodiment, the end cap 45 is secured to the shaft coupling base 44 by screws. The end cap 45 is provided with a plurality of holes through which screws are passed to be fixed to the corresponding coupling seats 44.
In a particular embodiment, a positioning ring is provided on the second spindle 42, which is located between the second synchronous pulley 22 and the third synchronous pulley 23.
In the above solution, in order to fix and limit the second synchronous pulley 22 and the third synchronous pulley 23, a positioning ring is provided on the second spindle 42, and the positioning ring can move on the second spindle 42 to adapt to various specifications of the second synchronous pulley 22 and the third synchronous pulley 23. The number of the positioning rings can be selected according to actual needs, for example, the gap between the second synchronous pulley 22 and the third synchronous pulley 23 is large, and a plurality of positioning rings can be selected.
Through the above-mentioned scheme of this embodiment, in the coal mining process, the asynchronous machine that sets up on the coal-winning machine drives first synchronous pulley through first dabber and rotates, and first synchronous pulley drives the rotation of second synchronous pulley through first hold-in range, and second synchronous pulley passes through the second dabber with the turning force and conveys to the third synchronous pulley on, and the third synchronous pulley drives the rotation of fourth synchronous pulley through the second conveyer belt, and the fourth synchronous pulley drives the cutting drum through the third dabber and rotates. Like this the cutting drum will carry out the cutting process to the colliery for the colliery is smashed, then transports the colliery stone out of the colliery, and the rocking arm on the coal-winning machine adopts the mode of hold-in range conveying to drive the cutting drum and rotates, and then reduces the noise that produces when rotating, and the wearing and tearing are less relatively in the hold-in range data send process, can increase life, improve transmission efficiency, and synchronous pulley dismantles convenient maintenance more easily.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. A rocker arm transmission device of a coal mining machine is characterized by comprising: the cutting machine comprises an asynchronous motor (1), a first synchronous belt wheel (21), a second synchronous belt wheel (22), a third synchronous belt wheel (23), a fourth synchronous belt wheel (24), a first synchronous belt (31), a second synchronous belt (32), a first mandrel (41), a second mandrel (42), a third mandrel (43) and a cutting drum (5);
the asynchronous motor (1) is connected with the first mandrel (41), and the first synchronous pulley (21) is arranged on the first mandrel (41);
the first synchronous pulley (21) is connected with the second synchronous pulley (22) through a first synchronous belt (31), the second synchronous pulley (22) and the third synchronous pulley (23) are arranged on the second mandrel (42), and the third synchronous pulley (23) is connected with the fourth synchronous pulley (24) through a second synchronous belt (32);
the fourth synchronous pulley (24) is arranged on the third mandrel (43), and the third mandrel (43) is connected with the cutting drum (5).
2. The shearer rocker arm transmission of claim 1, characterized in that a planet wheel (51) is arranged in the cutting drum (5), which planet wheel (51) is connected with one end of the third spindle (43) by a coupling (52).
3. The shearer loader's rocker arm transmission of claim 1, characterized in that the ends of the first mandrel (41), and/or the second mandrel (42), and/or the third mandrel (43) are provided with a coupling seat (44).
4. The shearer loader's rocker arm transmission of claim 3, characterized by an end cap (45) on the outside of the coupling seat (44).
5. The shearer loader's rocker arm transmission of claim 4, wherein the end cap (45) is fixed to the coupling seat (44) by screws.
6. The shearer loader's rocker arm drive of claim 1, characterized in that a locating ring is provided on the second mandrel (42), the locating ring being located between the second (22) and third (23) timing pulleys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021333985.7U CN212803209U (en) | 2020-07-09 | 2020-07-09 | Rocker arm transmission device of coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021333985.7U CN212803209U (en) | 2020-07-09 | 2020-07-09 | Rocker arm transmission device of coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212803209U true CN212803209U (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021333985.7U Active CN212803209U (en) | 2020-07-09 | 2020-07-09 | Rocker arm transmission device of coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212803209U (en) |
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2020
- 2020-07-09 CN CN202021333985.7U patent/CN212803209U/en active Active
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