CN215974723U - Three-gear speed reducer of petroleum winch - Google Patents
Three-gear speed reducer of petroleum winch Download PDFInfo
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- CN215974723U CN215974723U CN202122552286.2U CN202122552286U CN215974723U CN 215974723 U CN215974723 U CN 215974723U CN 202122552286 U CN202122552286 U CN 202122552286U CN 215974723 U CN215974723 U CN 215974723U
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- speed
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- shaft
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 18
- 239000003208 petroleum Substances 0.000 title description 6
- 208000032370 Secondary transmission Diseases 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 239000012208 gear oil Substances 0.000 claims 4
- 238000004804 winding Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a three-gear speed reducer of an oil winch, which comprises a gear box body, an input shaft, an output shaft and a drill feeding shaft, wherein the input shaft, the output shaft and the drill feeding shaft are arranged in the gear box body; the two sides are input shafts, the middle is an output shaft, and torque is transmitted through a gear set and a large gear: a left/right input shaft and a left/right secondary transmission shaft are symmetrically arranged on two sides of the gear box body; the output shaft is arranged in the middle of the gear box body and is in transmission connection with secondary pinions respectively arranged on the left/right secondary transmission shafts through an output large gear arranged on the output shaft; and a middle-speed gear set, a high-speed gear set and a low-speed gear set are correspondingly arranged between the left/right input shaft and the left/right secondary transmission shaft, and hydraulic clutches for controlling the middle-speed gear set, the high-speed gear set and the low-speed gear set to respectively engage and work are arranged between the middle-speed gear set, the high-speed gear set and the low-speed gear set. The utility model has compact structure, small volume, three speed ratios, high automation degree, and can meet the more complex lifting requirement and realize hydraulic clutch gear shifting.
Description
Technical Field
The utility model relates to a speed reducer, in particular to a three-gear speed reducer of an oil winch.
Background
The winch is also called a winch and is a light and small hoisting device for hoisting or pulling heavy objects by winding a steel wire rope or a chain by using a winding drum. The winch can be lifted vertically, horizontally or cleaned to pull heavy objects. The winch is widely applied to lifting or horizontal dragging of materials in the fields of buildings, hydraulic engineering, forestry, mines, wharfs and the like due to simple operation, large rope winding amount and convenient displacement, and the winch speed reducer is an indispensable important part in the whole transmission system and mainly used for transmitting large torque and ensuring normal lifting operation of the winch.
The petroleum winch is also called as the winch for the petroleum drilling machine, the hoisting system drives the drilling tool to move to the well bottom according to the required speed by controlling the rotating speed of the winch, and the process of generating enough pressure between the well bottom and the drill bit is called as bit feeding. Most of the existing oil winch speed reducers can not be subjected to gear adjustment, and the individual oil winch speed reducer only has two working gears, so that the gear shifting requirement under the condition of more complex working conditions can not be met.
Disclosure of Invention
The utility model aims to provide a three-gear speed reducer of an oil winch, which can realize three-gear change in limited spatial positions and is suitable for oil winches with different gear change requirements.
In order to achieve the purpose, the utility model can adopt the following technical scheme:
the utility model discloses a three-gear petroleum winch speed reducer which comprises a gear box body, an input shaft, an output shaft and a drill feeding shaft, wherein the input shaft is arranged in the gear box body; in order to make the integral structure of the speed reducer compact, the gear box body of the utility model has three layers of structures, wherein, the two sides are input shafts, the middle is an output shaft, and the torque is transmitted through a gear set and a gearwheel: in particular, the present invention relates to a method for producing,
a left/right input shaft and a left/right secondary transmission shaft are symmetrically arranged on two sides of the gear box body;
the output shaft is arranged in the middle of the gear box body and is in transmission connection with secondary pinions respectively arranged on the left/right secondary transmission shafts through an output large gear arranged on the output shaft;
and a middle-speed gear set, a high-speed gear set and a low-speed gear set are correspondingly arranged between the left/right input shaft and the left/right secondary transmission shaft, and hydraulic clutches for controlling the middle-speed gear set, the high-speed gear set and the low-speed gear set to respectively engage.
And a bit feeding gear arranged on the bit feeding shaft is meshed with a low-speed gear on the left/right secondary transmission shaft.
The middle-speed gear set comprises a pair of middle-speed gears which are respectively arranged on the left/right input shaft and the left/right secondary transmission shaft and are meshed with each other, and a second hydraulic clutch is arranged at the middle-speed gear on the left/right secondary transmission shaft;
the high-speed gear set comprises a pair of high-speed gears which are respectively arranged on the left/right input shaft and the left/right secondary transmission shaft and are meshed with each other, and a third hydraulic clutch is arranged at the high-speed gear on the left/right input shaft;
the low-speed stage gear set comprises a pair of low-speed stage gears which are respectively arranged on the left/right input shaft and the left/right secondary transmission shaft and are meshed with each other, and a first hydraulic clutch is arranged at the low-speed stage gear on the left/right secondary transmission shaft.
The top surface of the gear box body is provided with air holes, and air permeable caps are installed on the air holes.
Compared with the traditional gear box, the double-input gearbox has the advantages that the structure is more compact, the size is smaller, a double-input structure is adopted, and the power is larger than that of single input; the gear and the output and input shaft are arranged in a unique mode, the three gears are changed under the limited spatial position by controlling the opening and closing of different clutches, the number of working gears is large, and the gear shifting requirements under different working conditions can be met; the three speed ratios are provided, and three different output rotating speeds and torques can be provided so as to meet more complex lifting requirements; and the hydraulic clutch is adopted for gear shifting, so that the automation degree is high.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a cross-sectional expanded view of fig. 1D-D.
Fig. 4 is a cross-sectional view taken along line E-E of fig. 1.
Detailed Description
The present invention will be described in more detail below with reference to the accompanying drawings so as to facilitate understanding for those skilled in the art.
It should be noted that in the description of the present application, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or component must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, a detachable connection, or an integral connection; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.
As shown in fig. 1 and 2, the three-gear speed reducer of the petroleum winch comprises a gear box body 1, an input shaft arranged in the gear box body 1, and an output shaft and a drill feeding shaft which are driven to work by a transmission gear set; in order to make the integral structure of the speed reducer compact, the gear box body 1 of the speed reducer has a three-layer structure, the two sides of the gear box body are input shafts, the middle of the gear box body is an output shaft, and torque is transmitted through a gear set and a large gear: in particular, the present invention relates to a method for producing,
a left input shaft 2a, a left secondary transmission shaft 3a, a right input shaft 2b and a right secondary transmission shaft 3b are symmetrically arranged on two sides of the gear box body 1; the output shaft 4 is arranged in the middle of the gear box body 1, and the drill conveying shaft 5 is arranged on the upper part of the right secondary transmission shaft 3 b; the top surface of the gear box body 1 is provided with an air hole, and an air permeable cap 6 is arranged on the air hole.
The structure of the drive gear set mounted in the gear housing 1 is shown in fig. 3:
the output shaft 4 is in transmission connection with a secondary pinion 8 respectively arranged on the left secondary transmission shaft 3a and the right secondary transmission shaft 3b through an output gearwheel 7 arranged on the output shaft; in order to realize the function of three-gear transformation, a middle-speed gear set, a high-speed gear set and a low-speed gear set, as well as six hydraulic clutches for controlling the middle-speed gear set, the high-speed gear set and the low-speed gear set to respectively drive and work are respectively arranged between the input shaft and the secondary transmission shaft on the left side and the right side.
Since the structures of the transmission gear sets of the input shaft and the secondary transmission shaft on the left and right sides are the same, the transmission gear set between the right input shaft 2b and the right secondary transmission shaft 3b on the right side of the output shaft 4 is taken as an example for detailed description, as shown in fig. 4:
the medium-speed gear set comprises a pair of medium-speed gears 9 which are respectively arranged between the right input shaft 2b and the right secondary transmission shaft 3b and are meshed with each other, and a second hydraulic clutch 10 is arranged at the medium-speed gear on the right secondary transmission shaft 3 b; the second hydraulic clutch 10 is mounted on the right secondary transmission shaft 3b through a flat key and is engaged with the intermediate-speed gear 9 through a bolt.
The high-speed gear set comprises a pair of high-speed gears 11 which are respectively arranged between the right input shaft 2b and the right secondary transmission shaft 3b and are meshed with each other, and a third hydraulic clutch 12 is arranged at the high-speed gear on the right input shaft 2 b; similarly, the third hydraulic clutch 12 is mounted on the right input shaft 2b by a flat key and is engaged with the high-speed stage gear 11 by a bolt.
The low-speed gear set comprises a pair of low-speed gears 13 which are respectively arranged between the right input shaft 2b and the right secondary transmission shaft 3b and are meshed with each other, and a first hydraulic clutch 14 is arranged at the low-speed gear on the right secondary transmission shaft 3 b; the first hydraulic clutch 14 is mounted on the right secondary transmission shaft 3b by a flat key and is engaged with the low-speed stage gear 13 by a bolt.
A bit feeding gear 15 arranged on the bit feeding shaft 5 is meshed with the low-speed stage gear 13 on the right secondary transmission shaft 3 b.
The gear shifting principle of three gears is as follows:
when only the first hydraulic clutch 14 is closed, the right input shaft 2b and the right secondary transmission shaft 3b are transmitted through the pair of low-speed gears 13, other gears do not transmit torque, and at the moment, the speed ratio is maximum, the output torque is maximum, and the low-speed gear is selected;
when only the second hydraulic clutch 10 is closed, the right input shaft 2b and the right secondary transmission shaft 3b are transmitted through the pair of intermediate-speed gears 9, other gears do not transmit torque, the transmission speed ratio is only smaller than that of a low gear, the output torque is lower than that of the low gear, and the gear is an intermediate gear;
when only the third hydraulic clutch 12 is closed, the right input shaft 2b and the right secondary transmission shaft 3b are transmitted through the pair of high-speed gears 11, the other gears do not transmit torque, the transmission speed ratio is minimum, the output rotating speed is higher than the input rotating speed, and the high-speed gear is adopted.
Claims (4)
1. The utility model provides a three-gear oil winch speed reducer, includes the gearbox casing, sets up input shaft in the gearbox casing and through output shaft and the axle that send the drill of drive gear group drive work, its characterized in that:
a left/right input shaft and a left/right secondary transmission shaft are symmetrically arranged on two sides of the gear box body;
the output shaft is arranged in the middle of the gear box body and is in transmission connection with secondary pinions respectively arranged on the left/right secondary transmission shafts through an output large gear arranged on the output shaft;
and a middle-speed gear set, a high-speed gear set and a low-speed gear set are correspondingly arranged between the left/right input shaft and the left/right secondary transmission shaft, and hydraulic clutches for controlling the middle-speed gear set, the high-speed gear set and the low-speed gear set to respectively engage.
2. The three-gear oil winch speed reducer of claim 1, wherein: and a bit feeding gear arranged on the bit feeding shaft is meshed with a low-speed gear on the left/right secondary transmission shaft.
3. The three-gear oil winch speed reducer of claim 1, wherein:
the middle-speed gear set comprises a pair of middle-speed gears which are respectively arranged on the left/right input shaft and the left/right secondary transmission shaft and are meshed with each other, and a second hydraulic clutch is arranged at the middle-speed gear on the left/right secondary transmission shaft;
the high-speed gear set comprises a pair of high-speed gears which are respectively arranged on the left/right input shaft and the left/right secondary transmission shaft and are meshed with each other, and a third hydraulic clutch is arranged at the high-speed gear on the left/right input shaft;
the low-speed stage gear set comprises a pair of low-speed stage gears which are respectively arranged on the left/right input shaft and the left/right secondary transmission shaft and are meshed with each other, and a first hydraulic clutch is arranged at the low-speed stage gear on the left/right secondary transmission shaft.
4. The three-gear oil winch speed reducer of claim 1, wherein: the top surface of the gear box body is provided with air holes, and air permeable caps are installed on the air holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122552286.2U CN215974723U (en) | 2021-10-22 | 2021-10-22 | Three-gear speed reducer of petroleum winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122552286.2U CN215974723U (en) | 2021-10-22 | 2021-10-22 | Three-gear speed reducer of petroleum winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215974723U true CN215974723U (en) | 2022-03-08 |
Family
ID=80512735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122552286.2U Expired - Fee Related CN215974723U (en) | 2021-10-22 | 2021-10-22 | Three-gear speed reducer of petroleum winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215974723U (en) |
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2021
- 2021-10-22 CN CN202122552286.2U patent/CN215974723U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |
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| CF01 | Termination of patent right due to non-payment of annual fee |