CN212803212U - Cooling structure of rocker arm planetary mechanism of coal mining machine - Google Patents
Cooling structure of rocker arm planetary mechanism of coal mining machine Download PDFInfo
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- CN212803212U CN212803212U CN202021772202.5U CN202021772202U CN212803212U CN 212803212 U CN212803212 U CN 212803212U CN 202021772202 U CN202021772202 U CN 202021772202U CN 212803212 U CN212803212 U CN 212803212U
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Abstract
The utility model discloses a coal-winning machine rocking arm planetary mechanism cooling structure, including cooling jacket, with the inhalant canal that cooling jacket connects and with inhalant canal's exhalant canal connects, and with inhalant canal's water supply connector and with exhalant canal's play water connection, water supply connector and play water connection set up on the casing of rocking arm, are provided with the atomising head on the casing of rocking arm, the ring gear lateral wall in planetary mechanism is established to the cooling jacket cover, be provided with cooling water circulation channel between the lateral wall of cooling jacket's inside wall and ring gear, cooling water circulation channel is curved passageway, the arc is the major arc, play water connection and atomising head intercommunication. The utility model discloses simple structure solves coal-winning machine rocking arm planetary mechanism problem of generating heat, improves coal-winning machine rocking arm life.
Description
Technical Field
The utility model belongs to the technical field of coal-winning machine rocking arm planetary mechanism cools off, especially, relate to a coal-winning machine rocking arm planetary mechanism cooling structure.
Background
The rocker arm is an important part of the shearer loader, which takes on the task of transmitting the torque of the cutting motor to the drum and adjusting the height of the drum. During the working process of the coal mining machine, the rocker arm is used as a main carrier for transferring energy, and the consumed power of the rocker arm accounts for 75-90% of the total power of the coal mining machine. Therefore, the reliability of the rocker arm as a key part of the coal cutting machine directly influences the working efficiency of the coal cutting machine. Generally, a coal mining machine rocker arm adopts a planetary speed reducing mechanism at the tail end of the rocker arm in order to obtain small volume, large speed reducing ratio, strong bearing capacity and large output torque. Because the planetary reduction mechanism is called a planetary mechanism for short, the transmission precision is high, and the processing mode is delicate, the manufacturing cost and the maintenance cost are higher. How to ensure the stable operation of the planetary reduction mechanism and prolong the service life is a topic studied by people all the time.
The coal mining machine has bad working condition and large cutting load, the planetary mechanism is easy to generate high temperature, and the problems of performance reduction of lubricating oil, rigidity reduction of related parts, oil leakage at a sealing part and the like can be caused by overhigh temperature, so that key parts such as gears, bearings, oil seals and the like are invalid, and the planetary speed reducing mechanism is damaged. Therefore, it is very necessary to cool down the rocker arm planetary mechanism.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed at, provide a coal-winning machine rocking arm planetary mechanism cooling structure, its simple structure, reasonable in design through the planetary mechanism cooling to the coal-winning machine rocking arm, solves coal-winning machine rocking arm planetary mechanism problem of generating heat, improves coal-winning machine rocking arm life, guarantees the reliable high-efficient operation of coal-winning machine.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a coal-winning machine rocking arm planetary mechanism cooling structure which characterized in that: including cooling jacket, with inhalant canal that cooling jacket connects and with inhalant canal connection's exhalant canal, and with inhalant canal connection's water supply connector and with the water outlet connection that exhalant canal connects, water supply connector and water outlet connection set up on the casing of rocking arm, are provided with the atomising head on the casing of rocking arm, the ring gear lateral wall in the planetary mechanism is established to cooling jacket cover, be provided with cooling water circulation channel between cooling jacket's inside wall and the lateral wall of ring gear, cooling water circulation channel is curved passageway, the arc is the major arc, water outlet connection and atomising head intercommunication.
The cooling structure of the coal mining machine rocker arm planetary mechanism is characterized in that: the water inlet channel comprises a first water inlet channel, a second water inlet channel, a third water inlet channel, a fourth water inlet channel, a fifth water inlet channel, a sixth water inlet channel and a seventh water inlet channel which are connected in sequence, and the seventh water inlet channel is communicated with the cooling water circulation channel;
the water outlet channel comprises a first water outlet channel, a second water outlet channel, a third water outlet channel, a fourth water outlet channel, a fifth water outlet channel, a sixth water outlet channel and a seventh water outlet channel which are connected in sequence, and the first water outlet channel is communicated with the seventh water inlet channel through a cooling water circulation channel.
The cooling structure of the coal mining machine rocker arm planetary mechanism is characterized in that: the fifth water inlet channel is communicated with the sixth water inlet channel through a first communicating sleeve, a first outer sealing ring is sleeved on the first communicating sleeve, and an inlet of the first water inlet channel is communicated with a water inlet joint;
the second water outlet channel is communicated with the third water outlet channel through a second communication sleeve, a second outer sealing ring is sleeved on the second communication sleeve, and an outlet of the seventh water inlet channel is communicated with the water outlet connector.
The cooling structure of the coal mining machine rocker arm planetary mechanism is characterized in that: be provided with first annular and second annular on the lateral wall of ring gear, be provided with first test passageway and second test passageway on the cooling water jacket, first test passageway and second test passageway are located cooling water circulation channel's both sides, first test passageway and first annular intercommunication, second test passageway and second annular intercommunication, be provided with first plug on the first test passageway, be provided with the second plug on the second test passageway.
The cooling structure of the coal mining machine rocker arm planetary mechanism is characterized in that: the cooling water jacket is characterized in that a first sealing ring, a second sealing ring, a third sealing ring and a fourth sealing ring are sleeved between the outer side wall of the inner gear ring and the inner side wall of the cooling water jacket, the first sealing ring and the second sealing ring are located on two sides of the first annular groove, and the third sealing ring and the fourth sealing ring are located on two sides of the second annular groove.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a set up the recess at cooling jacket's inside wall to form cooling water circulation channel between the lateral wall of the inside wall that makes cooling jacket and ring gear, simple structure, reasonable in design, it is with low costs.
2. The utility model discloses set up the cooling jacket and be located the ring gear outside, be provided with cooling water circulation passageway between the lateral wall of cooling jacket's inside wall and ring gear, carry out cooling to coal-winning machine rocking arm planetary mechanism through letting in the cooling water circulation passageway like this, the cooling effect is good to effectively reduce planetary mechanism temperature, improved the life of rocking arm.
3. The utility model discloses set up water inlet channel and water outlet channel, water outlet channel passes through water connectors and atomising head intercommunication, and the circulating water accessible atomising head blowout through cooling water circulation channel like this plays the dust fall effect to coal mining work.
4. The utility model discloses set up cooling water circulation channel and be the arc passageway, and the arc at cooling water circulation channel place is the major arc, is that the cooling hydroenergy for in the cooling water circulation channel flows along the arc passageway to increase the area of contact of cooling water and planetary mechanism, the cooling water of being convenient for flows along planetary mechanism circumference, thereby drives planetary mechanism's heat, has improved the cooling effect.
To sum up, the utility model discloses simple structure, reasonable in design through the planetary mechanism cooling to the coal-winning machine rocking arm, solves the problem that coal-winning machine rocking arm planetary mechanism generates heat, improves coal-winning machine rocking arm life, guarantees the reliable high-efficient operation of coal-winning machine.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view a-a of fig. 1 with the planetary mechanism removed.
Fig. 3 is a schematic position diagram of the first testing channel, the second testing channel, the cooling water jacket, the first sealing ring, the second sealing ring, the third sealing ring and the fourth sealing ring of the present invention.
Description of reference numerals:
1-a first water inlet channel; 2-a second water inlet channel; 3-a third water inlet channel;
3-1-lower plug; 4-a fourth water inlet channel; 5-a fifth water inlet channel;
5-1-a first communicating sleeve; 5-2 — a first outer seal ring; 6-a sixth water inlet channel;
7-a seventh water inlet channel; 8-cooling water jacket; 8-1 — a first test channel;
8-2-first plug; 8-3 — a second test channel; 8-4-second plug;
9-a planetary mechanism; 9-1 — sun gear;
9-2-planet; 9-3-ring gear; 9-3-1-a first ring groove;
9-3-2-second ring groove; 9-4-shell of rocker arm; 9-4-1-installation cavity;
10-cooling water circulation channel; 10-1 — a first seal ring; 10-2 — a second seal ring;
10-3-third sealing ring; 10-4-fourth seal ring; 11-a first water outlet channel;
12-a second water outlet channel; 13-a third water outlet channel;
13-1-a second communication sleeve; 13-2 — a second outer seal ring; 14-a fourth water outlet channel;
15-a fifth water outlet channel; 15-1-upper plug; 16-a sixth water outlet channel;
17-a seventh water outlet channel; 18-a spray head; 18-1-spray joint;
18-2-hose; 19-water inlet joint; 20-water outlet joint.
Detailed Description
As shown in fig. 1 and 2, the utility model discloses an including cooling jacket 8, with the inhalant canal that cooling jacket 8 connects and with inhalant canal connection's exhalant canal, and with inhalant canal connection's water supply connector 19 and with exhalant canal connection's exhalant canal's play water connector 20, water supply connector 19 and play water connector 20 set up on the casing 9-4 of rocking arm, are provided with atomising head 18 on the casing 9-4 of rocking arm, cooling jacket 8 cover is established at ring gear 9-3 lateral wall in planetary mechanism 9, be provided with cooling water circulation channel 10 between cooling jacket 8's the inside wall and the lateral wall of ring gear 9-3, cooling water circulation channel 10 is curved passageway, the arc is the major arc, play water connector 20 and atomising head 18 intercommunication.
In the present embodiment, the planetary mechanism 9 comprises a sun gear 9-1 arranged in a housing 9-4 of the rocker arm, a plurality of planet gears 9-2 in transmission connection with the sun gear 9-1, and an inner gear ring 9-3 arranged outside the plurality of planet gears 9-2.
In this embodiment, the water inlet channel includes a first water inlet channel 1, a second water inlet channel 2, a third water inlet channel 3, a fourth water inlet channel 4, a fifth water inlet channel 5, a sixth water inlet channel 6 and a seventh water inlet channel 7, which are connected in sequence, and the seventh water inlet channel 7 is communicated with the cooling water circulation channel 10;
the water outlet channel comprises a first water outlet channel 11, a second water outlet channel 12, a third water outlet channel 13, a fourth water outlet channel 14, a fifth water outlet channel 15, a sixth water outlet channel 16 and a seventh water outlet channel 17 which are connected in sequence, and the first water outlet channel 11 is communicated with the seventh water inlet channel 7 through a cooling water circulation channel 10.
In this embodiment, the fifth water inlet channel 5 is communicated with the sixth water inlet channel 6 through a first communication sleeve 5-1, a first outer sealing ring 5-2 is sleeved on the first communication sleeve 5-1, and an inlet of the first water inlet channel 1 is communicated with a water inlet joint 19;
the second water outlet channel 12 is communicated with the third water outlet channel 13 through a second communication sleeve 13-1, a second outer sealing ring 13-2 is sleeved on the second communication sleeve 13-1, and an outlet of the seventh water inlet channel 7 is communicated with a water outlet joint 20.
As shown in fig. 3, in this embodiment, a first ring groove 9-3-1 and a second ring groove 9-3-2 are provided on an outer side wall of the inner gear ring 9-3, a first test channel 8-1 and a second test channel 8-3 are provided on the cooling water jacket 8, the first test channel 8-1 and the second test channel 8-3 are located on two sides of the cooling water circulation channel 10, the first test channel 8-1 is communicated with the first ring groove 9-3-1, the second test channel 8-3 is communicated with the second ring groove 9-3-2, a first plug 8-2 is provided on the first test channel 8-1, and a second plug 8-4 is provided on the second test channel 8-3.
As shown in fig. 3, in this embodiment, a first seal ring 10-1, a second seal ring 10-2, a third seal ring 10-3 and a fourth seal ring 10-4 are sleeved between an outer side wall of the inner gear ring 9-3 and an inner side wall of the cooling water jacket 8, the first seal ring 10-1 and the second seal ring 10-2 are located on two sides of the first ring groove 9-3-1, and the third seal ring 10-3 and the fourth seal ring 10-4 are located on two sides of the second ring groove 9-3-2.
In this embodiment, a housing 9-4 of the rocker arm is internally provided with an installation cavity 9-4-1 for installing a planetary mechanism.
In this embodiment, in actual use, the first water inlet channel 1, the second water inlet channel 2, the third water inlet channel 3, the fourth water inlet channel 4 and the fifth water inlet channel 5 are located on a shell 9-4 of the rocker arm; the third water outlet channel 13, the fourth water outlet channel 14, the fifth water outlet channel 15, the sixth water outlet channel 16 and the seventh water outlet channel 17 are positioned on the shell 9-4 of the rocker arm.
In this embodiment, in actual use, the sixth water inlet channel 6 and the seventh water inlet channel 7 are located on the cooling water jacket 8, and the first water outlet channel 11 and the second water outlet channel 12 are located on the cooling water jacket 8.
In this embodiment, in actual use, the end portions of the second water inlet passage 2, the third water inlet passage 3 and the fourth water inlet passage 4 extend to the surface of the shell 9-4 of the rocker arm, and the end portions of the second water inlet passage 2, the third water inlet passage 3 and the fourth water inlet passage 4 are all provided with the lower plug 3-1.
In this embodiment, in actual use, the end portions of the fourth water outlet channel 14, the fifth water outlet channel 15 and the sixth water outlet channel 16 extend to the surface of the shell 9-4 of the rocker arm, and the end portions of the fourth water outlet channel 14, the fifth water outlet channel 15 and the sixth water outlet channel 16 are all provided with the upper plug 15-1.
In this embodiment, in actual use, a spray joint 18-1 is arranged on the housing 9-4 of the rocker arm, the spray joint 18-1 is communicated with a water outlet joint 20 through a hose 18-2, and the spray joint 18-1 is communicated with a spray head 18 through a communication water channel.
In this example, the temperature of the cooling water was 20 ℃ in actual use.
When the utility model is used in particular, air is introduced into the first annular groove 9-3-1 through the first testing channel 8-1, and air is introduced into the second annular groove 9-3-2 through the second testing channel 8-3 to perform a pressing test on the first annular groove 9-3-1 and the second annular groove 9-3-2 until the pressure of the first annular groove 9-3-1 and the second annular groove 9-3-2 is stable and unchanged, so that the first annular groove 9-3-1 and the second annular groove 9-3-2 are sealed, and the sealing effect of the first sealing ring 10-1, the second sealing ring 10-2, the third sealing ring 10-3 and the fourth sealing ring 10-4 is good;
then, a first plug 8-2 is installed at the end part of a first testing channel 8-1, a second plug 8-4 is installed at the end part of a second testing channel 8-3, water is supplied through a water inlet joint 19, cooling water output by the water inlet joint 19 enters the first water inlet channel 1, the cooling water in the first water inlet channel 1 sequentially passes through the second water inlet channel 2, the third water inlet channel 3, the fourth water inlet channel 4, the fifth water inlet channel 5, the sixth water inlet channel 6 and the seventh water inlet channel 7 to be discharged, the cooling water discharged from the seventh water inlet channel 7 enters a cooling water circulating channel 10, the cooling water in the cooling water circulating channel 10 cools and cools a planetary mechanism 9 in a coal mining machine, and circulating water passing through the cooling water circulating channel 10 sequentially passes through the first water outlet channel 11, the second water outlet channel 12, the third water outlet channel 13, the fourth water outlet channel 14, the third water outlet channel 12, the fourth water inlet channel 7 and the fourth water inlet channel 10, And the fifth water outlet channel 15, the sixth water outlet channel 16 and the seventh water outlet channel 17 are discharged to a water outlet joint 20, circulating water in the water outlet joint 20 is conveyed to a spray head 18 through a pipeline, and is finally sprayed out through the spray head 18, so that the dust falling effect is also achieved.
To sum up, the utility model discloses simple structure, reasonable in design through the planetary mechanism cooling to the coal-winning machine rocking arm, solves the problem that coal-winning machine rocking arm planetary mechanism generates heat, improves coal-winning machine rocking arm life, guarantees the reliable high-efficient operation of coal-winning machine.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (5)
1. The utility model provides a coal-winning machine rocking arm planetary mechanism cooling structure which characterized in that: comprises a cooling water jacket (8), a water inlet channel connected with the cooling water jacket (8) and a water outlet channel connected with the water inlet channel, a water inlet joint (19) connected with the water inlet channel and a water outlet joint (20) connected with the water outlet channel, the water inlet joint (19) and the water outlet joint (20) are arranged on the shell (9-4) of the rocker arm, the shell (9-4) of the rocker arm is provided with a spray head (18), the cooling water jacket (8) is sleeved on the outer side wall of an inner gear ring (9-3) in the planetary mechanism (9), a cooling water circulation channel (10) is arranged between the inner side wall of the cooling water jacket (8) and the outer side wall of the inner gear ring (9-3), the cooling water circulation channel (10) is an arc-shaped channel, the arc is an arc, and the water outlet joint (20) is communicated with the spray head (18).
2. The cooling structure for the planetary mechanism of the shearer loader as claimed in claim 1, wherein: the water inlet channel comprises a first water inlet channel (1), a second water inlet channel (2), a third water inlet channel (3), a fourth water inlet channel (4), a fifth water inlet channel (5), a sixth water inlet channel (6) and a seventh water inlet channel (7) which are connected in sequence, and the seventh water inlet channel (7) is communicated with the cooling water circulation channel (10);
the water outlet channel comprises a first water outlet channel (11), a second water outlet channel (12), a third water outlet channel (13), a fourth water outlet channel (14), a fifth water outlet channel (15), a sixth water outlet channel (16) and a seventh water outlet channel (17) which are connected in sequence, and the first water outlet channel (11) is communicated with the seventh water inlet channel (7) through a cooling water circulation channel (10).
3. The cooling structure for the planetary mechanism of the shearer loader as claimed in claim 2, wherein: the fifth water inlet channel (5) is communicated with the sixth water inlet channel (6) through a first communicating sleeve (5-1), a first outer sealing ring (5-2) is sleeved on the first communicating sleeve (5-1), and an inlet of the first water inlet channel (1) is communicated with a water inlet joint (19);
the second water outlet channel (12) is communicated with the third water outlet channel (13) through a second communication sleeve (13-1), a second outer sealing ring (13-2) is sleeved on the second communication sleeve (13-1), and an outlet of the seventh water inlet channel (7) is communicated with the water outlet joint (20).
4. The cooling structure for the planetary mechanism of the shearer loader as claimed in claim 1, wherein: the outer side wall of the inner gear ring (9-3) is provided with a first ring groove (9-3-1) and a second ring groove (9-3-2), the cooling water jacket (8) is provided with a first test channel (8-1) and a second test channel (8-3), the first test channel (8-1) and the second test channel (8-3) are positioned on both sides of the cooling water circulation channel (10), the first test channel (8-1) is communicated with the first annular groove (9-3-1), the second test channel (8-3) is communicated with the second annular groove (9-3-2), the first testing channel (8-1) is provided with a first plug (8-2), and the second testing channel (8-3) is provided with a second plug (8-4).
5. The cooling structure for the planetary mechanism of the shearer loader as claimed in claim 1, wherein: a first sealing ring (10-1), a second sealing ring (10-2), a third sealing ring (10-3) and a fourth sealing ring (10-4) are sleeved between the outer side wall of the inner gear ring (9-3) and the inner side wall of the cooling water jacket (8), the first sealing ring (10-1) and the second sealing ring (10-2) are located on two sides of the first annular groove (9-3-1), and the third sealing ring (10-3) and the fourth sealing ring (10-4) are located on two sides of the second annular groove (9-3-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021772202.5U CN212803212U (en) | 2020-08-21 | 2020-08-21 | Cooling structure of rocker arm planetary mechanism of coal mining machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021772202.5U CN212803212U (en) | 2020-08-21 | 2020-08-21 | Cooling structure of rocker arm planetary mechanism of coal mining machine |
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| CN212803212U true CN212803212U (en) | 2021-03-26 |
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| CN202021772202.5U Active CN212803212U (en) | 2020-08-21 | 2020-08-21 | Cooling structure of rocker arm planetary mechanism of coal mining machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115773360A (en) * | 2023-02-10 | 2023-03-10 | 西安赫元机械制造有限责任公司 | Rocker arm cooler of coal mining machine and using method |
-
2020
- 2020-08-21 CN CN202021772202.5U patent/CN212803212U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115773360A (en) * | 2023-02-10 | 2023-03-10 | 西安赫元机械制造有限责任公司 | Rocker arm cooler of coal mining machine and using method |
| CN115773360B (en) * | 2023-02-10 | 2023-04-18 | 西安赫元机械制造有限责任公司 | Coal cutter rocker arm cooler and using method thereof |
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