CN215110414U - Underground speed reducer lubricating structure for improving rotating speed - Google Patents
Underground speed reducer lubricating structure for improving rotating speed Download PDFInfo
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- CN215110414U CN215110414U CN202121625795.7U CN202121625795U CN215110414U CN 215110414 U CN215110414 U CN 215110414U CN 202121625795 U CN202121625795 U CN 202121625795U CN 215110414 U CN215110414 U CN 215110414U
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Abstract
The utility model provides a speed reducer lubricating structure in pit for improving rotational speed, the high-speed gear mechanism periphery is cup jointed in the supporting seat activity, and the supporting seat is installed to the box inner wall, and the fixed drive gear that cup joints of second grade axle outer wall of box, high-speed gear mechanism lateral wall and drive gear meshing, fixed cover of axis end pump pass behind the box outer wall connects to inside the high-speed gear mechanism, and the axle head pump is in the box outside, a speed reducer lubricating structure in pit for improving rotational speed, drive gear through the second grade axle and rotate, drive gear drives the high-speed gear mechanism and rotates, the high-speed gear mechanism drives the axis of rotation of axis end pump and rotates to reach the effect of speeding, the rotational speed of axle end pump can increase to about 1400r/min, the flow compares prior art like this and can increase nearly doubly, guarantees that the fuel feeding is sufficient.
Description
Technical Field
The utility model belongs to the technical field of speed reducer in the pit, especially, relate to a speed reducer lubricating structure in pit for improving rotational speed.
Background
A common lubrication mode of an underground speed reducer is a second-stage shaft end pump, the prior art is that a direct shaft end pump is installed on a second-stage shaft, the speed of the second-stage shaft is reduced generally at 750r/min due to the fact that the speed of the first-stage gear is reduced, the oil supply amount of the shaft end pump is small due to the fact that the flow of the shaft end pump is influenced by the rotating speed, the flow is reduced relatively, lubrication on a transmission gear is insufficient, lubrication insufficiency is prone to occur, transmission gear damage is prone to occur, and therefore a new structure needs to be designed.
Disclosure of Invention
In view of this, the utility model aims at providing a speed reducer lubricating structure in pit for improving rotational speed to solve the problem that prior art axle head pump fuel feeding is few and drive gear damages easily.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a speed reducer lubricating structure in pit for improving rotational speed, includes box, axle head pump, high-speed gear mechanism and supporting seat, and the high-speed gear mechanism periphery is cup jointed in the supporting seat activity, and the supporting seat installation to the box inner wall, and the fixed drive gear that cup joints of second grade off-axial wall of box, and high-speed gear mechanism lateral wall and drive gear meshing, fixed cover after the axis of rotation of axle head pump passes the box outer wall connects to inside the high-speed gear mechanism, and the axle head pump is in the box outside.
Further, high-speed gear mechanism includes high-speed gear and connecting sleeve, and high-speed gear and drive gear meshing, high-speed gear top surface are equipped with the cylinder groove, and the central point of cylinder inslot wall bottom surface puts and sets up connecting sleeve, and connecting sleeve is hollow cylinder structure, and the connecting sleeve inner wall is fixed cup joints with the axis of rotation outer wall.
Further, the connecting sleeve is movably sleeved on the inner wall of the supporting seat through a bearing, a first circular groove is formed in the outer side wall of the connecting sleeve, the outer side wall of the bearing outer ring is fixedly connected to the inner wall of the supporting seat, and the inner side wall of the bearing inner ring is fixedly connected to the inner wall of the first circular groove.
Furthermore, the outer wall of the connecting sleeve is also provided with a second annular groove, the second annular groove is positioned above the first annular groove, and an oil seal is formed between the inner wall of the second annular groove and the inner wall of the supporting seat.
Furthermore, a plurality of round holes are arranged on the bottom surface of the inner wall of the cylindrical groove and distributed in a circular ring shape, and the round holes are all located on the periphery of the connecting sleeve.
Furthermore, the supporting seat is fixedly connected to the inner wall of the box body through a plurality of bolts.
Compared with the prior art, a speed reducer lubricating structure in pit for improving rotational speed have following beneficial effect:
(1) a speed reducer lubricating structure in pit for improving rotational speed, drive gear through the second grade axle and rotate, drive gear drives high-speed gear mechanism and rotates, high-speed gear mechanism drives the axis of rotation of axle end pump and rotates, thereby reach the effect of speeding up, the rotational speed of axle end pump can increase to about 1400r/min, flow compares prior art like this and can increase nearly doubly, guarantee that the fuel feeding is sufficient, and because drive gear and high-speed gear mechanism mesh, the lubrication effect to drive gear has been improved, make drive gear possess higher durability than prior art.
(2) A speed reducer lubricating structure in pit for improving rotational speed, cylinder groove greatly reduced high-speed gear's quality to reduce manufacturing cost, first ring groove provides limiting displacement for the bearing, has improved the degree of stability of bearing, the second ring groove provides limit function for the oil blanket, has both improved the degree of stability of oil blanket, has improved the sealed effect of oil blanket again, a plurality of round holes have further reduced high-speed gear's quality, thereby reduce manufacturing cost.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic cross-sectional view of a lubricating structure of a downhole speed reducer for increasing a rotation speed according to an embodiment of the present invention;
FIG. 2 is an enlarged view A of FIG. 1;
fig. 3 is a schematic view of a high-speed gear mechanism according to an embodiment of the present invention;
fig. 4 is an assembly schematic diagram of the box body and the shaft end pump according to the embodiment of the present invention.
Description of reference numerals:
1-a box body; 11-secondary axis; 111-drive gear; 12-a first tubing; 13-an oil inlet; 14-a second tubing; 15-oil outlet; 2-a shaft end pump; 21-a rotating shaft; 3-a high-speed gear mechanism; 31-high speed gear; 32-a connecting sleeve; 33-cylindrical grooves; 34-a first circular groove; 35-a second circular groove; 36-a circular hole; 4-a support seat; 41-bolt; 42-a bearing; 43-oil seal.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 4, a lubrication structure of a down-hole speed reducer for increasing a rotation speed includes: the high-speed gear mechanism comprises a box body 1, a shaft end pump 2, a high-speed gear mechanism 3 and a supporting seat 4, wherein the supporting seat 4 is movably sleeved on the periphery of the high-speed gear mechanism 3, the supporting seat 4 is installed on the inner wall of the box body 1, a transmission gear 111 is fixedly sleeved on the outer wall of a secondary shaft 11 of the box body 1, the outer side wall of the high-speed gear mechanism 3 is meshed with the transmission gear 111, a rotating shaft 21 of the shaft end pump 2 penetrates through the outer wall of the box body 1 and then is fixedly sleeved inside the high-speed gear mechanism 3, the shaft end pump 2 is located outside the box body 1, the transmission gear 111 is driven to rotate by the secondary shaft 11, the transmission gear 111 drives the high-speed gear mechanism 3 to rotate, the high-speed gear mechanism 3 drives the rotating shaft end pump 2 to rotate, so that the speed increasing effect is achieved, the rotating speed of the shaft end pump 2 can be increased by nearly 1 time compared with the prior art, and sufficient oil supply is guaranteed.
As shown in fig. 2-3, the high-speed gear mechanism 3 includes a high-speed gear 31 and a connecting sleeve 32, the high-speed gear 31 is engaged with the transmission gear 111, the top surface of the high-speed gear 31 is provided with a cylindrical groove 33, the connecting sleeve 32 is arranged at the center of the bottom surface of the inner wall of the cylindrical groove 33, the connecting sleeve 32 is a hollow cylindrical structure, the inner wall of the connecting sleeve 32 is fixedly sleeved with the outer wall of the rotating shaft 21, and the cylindrical groove 33 greatly reduces the mass of the high-speed gear 31, thereby reducing the manufacturing cost;
the connecting sleeve 32 is movably sleeved on the inner wall of the supporting seat 4 through a bearing 42, a first circular groove 34 is formed in the outer side wall of the connecting sleeve 32, the outer side wall of the outer ring of the bearing 42 is fixedly connected to the inner wall of the supporting seat 4, the inner side wall of the inner ring of the bearing 42 is fixedly connected to the inner wall of the first circular groove 34, the first circular groove 34 provides a limiting effect for the bearing 42, and the stability of the bearing 42 is improved;
a second annular groove 35 is further formed in the outer wall of the connecting sleeve 32, the second annular groove 35 is located above the first annular groove 34, an oil seal 43 is formed between the inner wall of the second annular groove 35 and the inner wall of the supporting seat 4, and the oil seal 43 plays a sealing role;
the bottom surface of the inner wall of the cylindrical groove 33 is provided with a plurality of round holes 36, the round holes 36 are distributed in a circular ring shape, the round holes 36 are all located on the periphery of the connecting sleeve 32, and the round holes 36 further reduce the quality of the high-speed gear 31, so that the manufacturing cost is reduced.
As shown in fig. 1, the supporting seat 4 is fixedly connected to the inner wall of the box body 1 through a plurality of bolts 41, and the plurality of bolts 41 are used for fixing the supporting seat 4, so that the stability of the supporting seat 4 is improved, and the supporting seat is convenient to detach.
The utility model discloses a theory of operation: the staff firstly communicates through first oil pipe 12 between the oil inlet 13 of box 1 and the oil inlet of axle end pump 2, and then communicates through second oil pipe 14 between the oil outlet 15 of box 1 and the oil outlet of axle end pump 2, as shown in fig. 4, the staff makes box 1 work at last, drive transmission gear 111 to rotate through second grade axle 11, transmission gear 111 drives high-speed gear mechanism 3 to rotate, high-speed gear mechanism 3 drives axis of rotation 21 of axle end pump 2 to rotate, thereby reach the effect of speeding up, the rotational speed of axle end pump 2 can increase to about 1400r/min, flow can increase nearly 1 time than prior art like this, guarantee that the fuel feeding is sufficient.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a speed reducer lubricating structure in pit for improving rotational speed which characterized in that: including box (1), axle head pump (2), high-speed gear mechanism (3) and supporting seat (4), high-speed gear mechanism (3) periphery is cup jointed in supporting seat (4) activity, and supporting seat (4) are installed to box (1) inner wall, fixed drive gear (111) of cup jointing of second grade axle (11) outer wall of box (1), high-speed gear mechanism (3) lateral wall and drive gear (111) meshing, fixed cover is connected to inside high-speed gear mechanism (3) after box (1) outer wall is passed in axis of rotation (21) of axle head pump (2), and axle head pump (2) are in box (1) outside.
2. A downhole speed reducer lubricating structure for increasing a rotation speed according to claim 1, characterized in that: the high-speed gear mechanism (3) comprises a high-speed gear (31) and a connecting sleeve (32), the high-speed gear (31) is meshed with a transmission gear (111), a cylindrical groove (33) is formed in the top surface of the high-speed gear (31), the connecting sleeve (32) is arranged at the center of the bottom surface of the inner wall of the cylindrical groove (33), the connecting sleeve (32) is of a hollow cylindrical structure, and the inner wall of the connecting sleeve (32) is fixedly sleeved with the outer wall of the rotating shaft (21).
3. A downhole speed reducer lubricating structure for increasing a rotation speed according to claim 2, characterized in that: connecting sleeve (32) connect to supporting seat (4) inner wall through bearing (42) activity cover, and connecting sleeve (32) lateral wall is equipped with first ring groove (34), and bearing (42) outer loop lateral wall rigid coupling is to supporting seat (4) inner wall, and bearing (42) inner ring inside wall rigid coupling is to first ring groove (34) inner wall.
4. A downhole speed reducer lubricating structure for increasing a rotation speed according to claim 3, characterized in that: the outer wall of the connecting sleeve (32) is also provided with a second circular groove (35), the second circular groove (35) is positioned above the first circular groove (34), and an oil seal (43) is formed between the inner wall of the second circular groove (35) and the inner wall of the supporting seat (4).
5. A downhole speed reducer lubricating structure for increasing a rotation speed according to claim 2, characterized in that: the bottom surface of the inner wall of the cylindrical groove (33) is provided with a plurality of round holes (36), the round holes (36) are distributed in a circular ring shape, and the round holes (36) are all positioned on the periphery of the connecting sleeve (32).
6. A downhole speed reducer lubricating structure for increasing a rotation speed according to claim 1, characterized in that: the supporting seat (4) is fixedly connected to the inner wall of the box body (1) through a plurality of bolts (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121625795.7U CN215110414U (en) | 2021-07-16 | 2021-07-16 | Underground speed reducer lubricating structure for improving rotating speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121625795.7U CN215110414U (en) | 2021-07-16 | 2021-07-16 | Underground speed reducer lubricating structure for improving rotating speed |
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| Publication Number | Publication Date |
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| CN215110414U true CN215110414U (en) | 2021-12-10 |
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| CN202121625795.7U Active CN215110414U (en) | 2021-07-16 | 2021-07-16 | Underground speed reducer lubricating structure for improving rotating speed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607760A (en) * | 2022-04-21 | 2022-06-10 | 沃德传动（天津）股份有限公司 | Speed reducer integrated lubricating system for underground conveyor |
-
2021
- 2021-07-16 CN CN202121625795.7U patent/CN215110414U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607760A (en) * | 2022-04-21 | 2022-06-10 | 沃德传动（天津）股份有限公司 | Speed reducer integrated lubricating system for underground conveyor |
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