CN219841011U - Double-star precision speed reducer - Google Patents
Double-star precision speed reducer Download PDFInfo
- Publication number
- CN219841011U CN219841011U CN202321138848.1U CN202321138848U CN219841011U CN 219841011 U CN219841011 U CN 219841011U CN 202321138848 U CN202321138848 U CN 202321138848U CN 219841011 U CN219841011 U CN 219841011U
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- China
- Prior art keywords
- planetary gear
- speed reducer
- fixedly connected
- double
- liquid storage
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000005461 lubrication Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 21
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 9
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 24
- 239000010687 lubricating oil Substances 0.000 description 6
- 239000000945 filler Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a double-star precise speed reducer, which relates to the technical field of speed reducers, and comprises a speed reducer main body, wherein a first planetary gear, a second planetary gear, a coupler and a lubrication mechanism connected with the speed reducer main body are arranged in the speed reducer main body; the lubrication mechanism comprises a liquid storage tank fixedly connected to the top of the speed reducer body, an oil outlet formed in the speed reducer body, a mounting tube movably connected with the liquid storage tank, a reset spring fixedly connected to the inner side wall of the mounting tube, and a sealing assembly fixedly connected to the other end of the reset spring, wherein the outer side wall of the mounting tube is fixedly connected with a connecting rod, and the sealing assembly comprises a sealing ball connected with the end face of the reset spring and a connecting block fixedly connected to the top of the sealing ball. The utility model relates to a double-planetary precise speed reducer, which is characterized in that an oil outlet is dripped on teeth of a first planetary gear and teeth of a second planetary gear, so that the double planetary gears are lubricated, and the service life of a speed reducer main body is prolonged.
Description
Technical Field
The utility model relates to the technical field of speed reducers, in particular to a double-star precise speed reducer.
Background
A high-precision double-planetary reduction gearbox belongs to an NGW type planetary reduction gearbox. The high-precision double-planetary reduction gearbox shares two-stage reduction, wherein the first stage and the second stage are planetary mechanism reduction, and the main parts comprise a first-stage planetary gear, a first-stage sun gear, a first-stage annular gear, a first-stage planetary carrier, a second-stage planetary gear, a second-stage sun gear, a second-stage annular gear and a second-stage planetary carrier. The planet carrier acts to support the planet gears and determines the centre-to-centre distance of the planetary mechanism.
The existing speed reducer in the market at present is not internally provided with a self-lubricating structure, and after each use, the shell needs to be manually dismantled to fill the annular gear with lubricating oil, so that the operation is very inconvenient.
Disclosure of Invention
The utility model mainly aims to provide a double-star precise speed reducer, which can effectively solve the problems that the inside of the double-star precise speed reducer is not provided with a self-lubricating structure, and the inner gear ring is required to be manually dismantled to be filled with lubricating oil after each use, so that the double-star precise speed reducer is very inconvenient to operate.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a accurate reduction gear of double star, includes reduction gear main part, its characterized in that: the inside of the speed reducer main body is provided with a first planetary gear, a second planetary gear, a coupler and a lubrication mechanism connected with the speed reducer main body;
the lubricating mechanism comprises a liquid storage tank fixedly connected to the top of the speed reducer main body, an oil outlet arranged on the speed reducer main body, a mounting tube movably connected with the liquid storage tank, a reset spring fixedly connected to the inner side wall of the mounting tube, and a sealing assembly fixedly connected to the other end of the reset spring, wherein a connecting rod is fixedly connected to the outer side wall of the mounting tube;
the sealing assembly comprises a sealing ball connected with the end face of the reset spring, a connecting block fixedly connected to the top of the sealing ball and a guide rod fixedly connected to the top of the connecting block, the top of the guide rod is flush with the top of the installation tube, and the central axis of the guide rod coincides with the central axis of the installation tube.
Preferably, the coupling is located between the first planetary gear and the second planetary gear, one side of the coupling is in rotational connection with the planetary gear of the first planetary gear, and the other side of the coupling is in fixed connection with the sun gear of the second planetary gear.
Preferably, the oil outlets communicate the interior of the liquid storage tank with the interior of the speed reducer body, and the number of the oil outlets is two, one oil outlet is located right above the first planetary gear, and the other oil outlet is located right above the second planetary gear.
Preferably, the longitudinal section of the mounting tube is convex, and the upper half outer surface of the mounting tube is provided with a first external thread which is connected with a sealing cover.
Preferably, the lower half outer surface of the mounting pipe is provided with a second external thread, a mounting hole is formed in the center of the top of the liquid storage tank, and the mounting pipe is connected with the liquid storage tank through the mounting hole and the second external thread.
Preferably, the connecting block is a regular prism table, the side dimension of the top end of the connecting block is the same as the diameter of the guide rod, and the central axis of the connecting block coincides with the central axis of the guide rod.
Preferably, the number of the connecting rods is two, and the connecting rods are symmetrically arranged about the central axis of the mounting tube.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, during operation, the input end is connected with the sun gear of the first planetary gear, the output end is connected with the second planetary gear, then the sealing cover is opened, the oil injection pipe is inserted into the mounting pipe, at the moment, the guide rod is inserted into the oil injection pipe, the inner side wall of the oil injection pipe is propped against the edge of the connecting block and drives the sealing ball to move downwards, so that the return spring is compressed, at the moment, lubricating oil in the oil injection pipe is introduced into the liquid storage tank, and drops onto teeth of the first planetary gear and teeth of the second planetary gear through the oil outlet, so that the double planetary gears are lubricated, the service life of the reducer main body is prolonged, after oiling is completed, the oil injection pipe is pulled out at the moment, the sealing ball moves upwards under the action of the return spring, so that the mounting pipe is sealed, the situation that a user forgets to cover the sealing cover, dust enters into the liquid storage tank is prevented, and the mounting pipe and the liquid storage tank are of a detachable structure.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a double-star precision reducer of the present utility model;
FIG. 2 is an enlarged schematic view of the structure A of FIG. 1 of a double-star precision reducer according to the present utility model;
FIG. 3 is a schematic perspective view of a seal assembly of a double-star precision reducer according to the present utility model;
fig. 4 is a schematic perspective view of a mounting tube of the double-star precision reducer of the utility model.
In the figure: 1. a speed reducer body; 2. a first planetary gear; 3. a second planetary gear; 4. a coupling; 5. a liquid storage tank; 6. an oil outlet; 7. installing a pipe; 8. a return spring; 9. a seal assembly; 91. a sealing ball; 92. a connecting block; 93. a guide rod; 10. sealing cover; 11. and (5) connecting a rod.
Description of the embodiments
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 4, the present utility model is a double-star precision speed reducer, comprising a speed reducer body 1, characterized in that: the inside of the speed reducer body 1 is provided with a first planetary gear 2, a second planetary gear 3, a coupler 4 and a lubrication mechanism connected with the speed reducer body 1;
the lubrication mechanism comprises a liquid storage tank 5 fixedly connected to the top of the speed reducer body 1, an oil outlet 6 arranged on the speed reducer body 1, a mounting pipe 7 movably connected with the liquid storage tank 5, a reset spring 8 fixedly connected to the inner side wall of the mounting pipe 7, and a sealing component 9 fixedly connected to the other end of the reset spring 8, wherein a connecting rod 11 is fixedly connected to the outer side wall of the mounting pipe 7;
the sealing assembly 9 comprises a sealing ball 91 connected with the end face of the return spring 8, a connecting block 92 fixedly connected to the top of the sealing ball 91, and a guide rod 93 fixedly connected to the top of the connecting block 92, wherein the top of the guide rod 93 is level with the top of the mounting tube 7, and the central axis of the guide rod 93 coincides with the central axis of the mounting tube 7.
The coupling 4 is located between the first planetary gear 2 and the second planetary gear 3, one side of the coupling 4 is in rotary connection with the planetary gears of the first planetary gear 2, the other side of the coupling 4 is in fixed connection with the sun gear of the second planetary gear 3, and the first planetary gear 2 drives the second planetary gear 3 to rotate through the coupling 4.
The oil outlets 6 are used for communicating the inside of the liquid storage tank 5 with the inside of the reducer main body 1, two oil outlets 6 are arranged, one oil outlet 6 is positioned right above the first planetary gear 2, the other oil outlet 6 is positioned right above the second planetary gear 3, and lubricating oil drops to teeth of the first planetary gear 2 and the second planetary gear 3 through the oil outlets 6, so that double planetary gears are lubricated.
The longitudinal section of the installation tube 7 is of a convex shape, the upper half outer surface of the installation tube 7 is provided with a first external thread, the first external thread is connected with a sealing cover 10, and the installation tube 7 is sealed through the sealing cover 10.
The second external screw thread is provided with to the lower half surface of installation tube 7, and the mounting hole has been seted up to the top center department of liquid storage tank 5, and installation tube 7 is connected with liquid storage tank 5 through mounting hole and second external screw thread, and installation tube 7 is detachable structure with liquid storage tank 5, so conveniently clear up installation tube 7.
The connecting block 92 is the regular prism platform, and the side dimension on the top of connecting block 92 is the same with the diameter of guide bar 93, and the axis of connecting block 92 coincides with the axis of guide bar 93, and the external diameter dimension of guide bar 93 is less than the internal diameter dimension of oiling pipe, and prism platform sets up, makes things convenient for the inside lubricating oil outflow of oiling pipe.
The number of the connecting rods 11 is two, and the connecting rods 11 are symmetrically arranged about the central axis of the installation tube 7, so that the installation tube 7 is conveniently driven to move by the connecting rods 11.
The working principle of the utility model is as follows: during operation, the input is connected with the sun gear of the first planetary gear 2, the output is connected with the second planetary gear 3, then through opening the sealing cover 10, and plug in the oil filler pipe into the installation tube 7, the guide rod 93 will plug in the oil filler pipe at this moment, and the inside wall of the oil filler pipe will support the edge of the connecting block 92, and drive the sealing ball 91 to move down, and then compress the reset spring 8, the lubricating oil in the oil filler pipe at this moment will enter the liquid storage tank 5, and drip onto the teeth of the first planetary gear 2 and the second planetary gear 3 through the oil outlet 6, thereby lubricate the double planetary gear, improve the life of the reducer main body 1, after refueling is accomplished, plug out the oil filler pipe at this moment, the sealing ball 91 will upwards move under the effect of the reset spring 8, so as to seal the installation tube 7, prevent that the user forgets to cover the sealing cover 10, the dust enters into the inside condition of the liquid storage tank 5, and the installation tube 7 and the liquid storage tank 5 are detachable structure, when the sealing cover 10 does not cover the dust, the liquid storage tube 7 enters the mouth of the installation tube 7, and the cleaning the installation tube 7 can be conveniently cleaned.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a accurate reduction gear of double star which characterized in that: including reduction gear main part (1), its characterized in that: the speed reducer comprises a speed reducer body (1), a first planetary gear (2), a second planetary gear (3), a coupler (4) and a lubrication mechanism connected with the speed reducer body (1);
the lubrication mechanism comprises a liquid storage tank (5) fixedly connected to the top of the speed reducer main body (1), an oil outlet (6) formed in the speed reducer main body (1), a mounting pipe (7) movably connected with the liquid storage tank (5), a reset spring (8) fixedly connected to the inner side wall of the mounting pipe (7), and a sealing component (9) fixedly connected to the other end of the reset spring (8), wherein a connecting rod (11) is fixedly connected to the outer side wall of the mounting pipe (7);
seal assembly (9) are including sealing ball (91) that are connected with reset spring (8) terminal surface, connecting block (92) of fixed connection at sealing ball (91) top to and guide bar (93) of fixed connection at connecting block (92) top, guide bar (93) top looks parallel and level with the top of installation pipe (7), and the axis of guide bar (93) coincides with the axis of installation pipe (7).
2. The double star precision reducer according to claim 1, characterized in that: the coupling (4) is located between the first planetary gear (2) and the second planetary gear (3), one side of the coupling (4) is in rotary connection with the planetary gear of the first planetary gear (2), and the other side of the coupling (4) is in fixed connection with the sun gear of the second planetary gear (3).
3. The double star precision reducer according to claim 2, characterized in that: the oil outlets (6) are used for communicating the inside of the liquid storage tank (5) with the inside of the speed reducer main body (1), two oil outlets (6) are arranged, one oil outlet (6) is located right above the first planetary gear (2), and the other oil outlet (6) is located right above the second planetary gear (3).
4. A double star precision reducer according to claim 3, characterized in that: the longitudinal section of the mounting pipe (7) is convex, a first external thread is arranged on the outer surface of the upper half of the mounting pipe (7), and the first external thread is connected with a sealing cover (10).
5. The double star precision reducer according to claim 4, wherein: the lower half outer surface of installation pipe (7) is provided with the second external screw thread, the top center department of reservoir (5) has seted up the mounting hole, installation pipe (7) are connected with reservoir (5) through mounting hole and second external screw thread.
6. The double star precision reducer according to claim 5, characterized in that: the connecting block (92) is a regular prism table, the side dimension of the top end of the connecting block (92) is the same as the diameter of the guide rod (93), and the central axis of the connecting block (92) coincides with the central axis of the guide rod (93).
7. The double star precision reducer of claim 6, wherein: the number of the connecting rods (11) is two, and the connecting rods are symmetrically arranged about the central axis of the installation tube (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321138848.1U CN219841011U (en) | 2023-05-12 | 2023-05-12 | Double-star precision speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321138848.1U CN219841011U (en) | 2023-05-12 | 2023-05-12 | Double-star precision speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219841011U true CN219841011U (en) | 2023-10-17 |
Family
ID=88299083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321138848.1U Active CN219841011U (en) | 2023-05-12 | 2023-05-12 | Double-star precision speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219841011U (en) |
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2023
- 2023-05-12 CN CN202321138848.1U patent/CN219841011U/en active Active
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