A planetary reducer

Abstract

The utility model provides a planetary reducer, belonging to the technical field of planetary reducers. The planetary reducer includes a reduction module, the reduction module includes a primary reduction module and a final reduction module, a plurality of intermediate reduction modules are arranged between the primary reduction module and the final reduction module, a screw sleeve is arranged on one side of the primary reduction module and the intermediate reduction module, a first mounting ear is arranged on the other side of the final reduction module and the intermediate reduction module, a fixing screw is inserted inside the first mounting ear, the fixing screw is threadedly connected with the screw sleeve, a reduction gear set is arranged inside the primary reduction module, the final reduction module and the intermediate reduction module, a fixing jacket is fixedly installed at the input end of the reduction gear set inside the primary reduction module, and the utility model can be conveniently disassembled and replaced, and has high practical value.

Description

Technical Field

[0001] The utility model relates to the technical field of planetary reducers, and in particular to a planetary reducer. Background Art

[0002] Planetary reducer, also known as planetary gear reducer, is a precision mechanical transmission device, which is widely used in industrial occasions that require high reduction ratio, high torque output and precise control. Its main function is to convert the input high-speed rotation power (usually from the motor) into low-speed rotation power, while greatly increasing the output torque to achieve effective power transmission.

[0003] Based on the above, the inventors have found the following problems: the current multi-stage planetary reducer is usually complex in structure, and each stage of the planetary gear set is arranged inside the housing, which cannot be easily disassembled and maintained, and is inconvenient to use.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a planetary reducer is provided to achieve a more practical purpose. Utility Model Content

[0005] In order to solve the above technical problems, the embodiment of the utility model provides a planetary reducer, which is specifically implemented by the following technical solutions:

[0006] A planetary reducer comprises a reduction module, wherein the reduction module comprises a primary reduction module and a final reduction module, wherein a plurality of intermediate reduction modules are arranged between the primary reduction module and the final reduction module, wherein a screw sleeve is arranged on one side of the primary reduction module and the intermediate reduction module, wherein a first mounting ear is arranged on the other side of the final reduction module and the intermediate reduction module, wherein a fixing screw is inserted into the inside of the first mounting ear, wherein the fixing screw is threadedly connected to the screw sleeve, wherein a reduction gear group is arranged inside the primary reduction module, the final reduction module and the intermediate reduction module, and a fixing sleeve is fixedly installed on the input end of the reduction gear group inside the primary reduction module.

[0007] The beneficial effect of adopting the above-mentioned further scheme is that by providing a plurality of intermediate reduction modules between the primary reduction module and the final reduction module, it is convenient to combine and connect the primary reduction module, the final reduction module and the intermediate reduction module into a multi-stage planetary reducer, thereby realizing the function of greatly improving the output torque. A fixing screw is inserted into the inside of the first mounting ear, and the fixing screw is threadedly connected to the screw sleeve, so that the combination of the primary reduction module, the final reduction module and the intermediate reduction module can be fixed, which facilitates the transmission of power and is easy to disassemble and maintain. Through the setting of the reduction gear group, it is convenient to transmit the rotational force coaxially while improving the output torque. A fixing jacket is fixedly installed on the input end of the reduction gear group inside the primary reduction module, so that the fixing jacket is fixedly connected to the output end of the motor, so that the device can convert the high-speed rotational force generated by the motor into a low-speed rotational force with high torque.

[0008] Furthermore, the primary reduction module, the final reduction module and the intermediate reduction module are all composed of a first shell and a second shell.

[0009] The beneficial effect of adopting the above further scheme is that, through the setting of the first shell and the second shell, it is convenient to make the primary reduction module, the final reduction module and the intermediate reduction module have a consistent structure, use parts of the same size, and facilitate subsequent repair and maintenance.

[0010] Furthermore, a second mounting ear is provided on one side of the first shell and the second shell opposite to each other, and a fixing bolt is inserted into the second mounting ear.

[0011] The beneficial effect of adopting the above further solution is that a fixing bolt is inserted through the second mounting ear, so that the first shell and the second shell can be fixedly connected by the fixing bolt.

[0012] Furthermore, the reduction gear set includes a planet carrier and a sun gear, an output joint is fixedly mounted on one side of the planet carrier, and the output joint is rotatably connected to the first housing.

[0013] The beneficial effect of adopting the above further solution is that the planet carrier is rotatably connected to the first housing through the output joint, which facilitates the rotatable connection between the planet carrier and the first housing.

[0014] Furthermore, the sun gear is rotatably connected to the second housing, and an input connection hole is provided on one side of the sun gear.

[0015] The beneficial effect of adopting the above further scheme is that an input connection hole is opened on one side of the sun gear, which facilitates the output connectors of the primary reduction module and the intermediate reduction module to be engaged and connected with the input connection holes of the adjacent intermediate reduction module and the final reduction module, thereby realizing the transmission of rotational force and the amplification of torque.

[0016] Furthermore, four planetary gears are provided on a side of the planetary carrier away from the output joint, and the planetary gears are rotatably connected to the planetary carrier.

[0017] Furthermore, a ring gear is provided on the inner side of the second housing, the outer side of the planetary gear is meshed with the ring gear, and the inner side of the planetary gear is meshed and connected with the sun gear.

[0018] The beneficial effect of adopting the above further solution is that the outer side of the planetary gear is meshed with the ring gear, and the inner side of the planetary gear is meshed with the sun gear, so that the rotational force of the input connection hole is transmitted to the output connection hole and the torque is amplified.

[0019] Furthermore, an oil filling port is provided at one end of the first shell, and a sealing plug is threadedly connected inside the oil filling port.

[0020] The beneficial effect of adopting the above further solution is that an oil filling port is provided at one end of the first housing, and a sealing plug is threadedly connected inside the oil filling port, so that lubricating oil is easily filled into the first housing and the second housing.

[0021] The beneficial effects of the utility model are as follows: the utility model provides a planetary reducer obtained by the above-mentioned design. The planetary reducer is provided with a plurality of intermediate reduction modules between the primary reduction module and the final reduction module, so that the primary reduction module, the final reduction module and the intermediate reduction module are combined and connected to form a multi-stage planetary reducer, thereby realizing the function of greatly improving the output torque. A fixing screw is inserted into the inside of the first mounting ear, and the fixing screw is threadedly connected with the screw sleeve, so that the combined connection of the primary reduction module, the final reduction module and the intermediate reduction module is fixed, which is convenient for power transmission and easy to disassemble and maintain. Through the setting of the reduction gear group, it is convenient to improve the output torque while transmitting the rotational force coaxially. A fixing jacket is fixedly installed at the input end of the reduction gear group inside the primary reduction module, so that the fixing jacket is fixedly connected to the output end of the motor, so that the device can convert the high-speed rotational force generated by the motor into a low-speed rotational force with high torque. The utility model can be conveniently disassembled and replaced, and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the following is a brief introduction to the drawings required for use in the implementation mode. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 A three-dimensional structural schematic diagram of a planetary reducer provided by the utility model;

[0024] Figure 2 An exploded diagram of a planetary reducer provided by the utility model;

[0025] Figure 3 This is a schematic diagram of the installation of the reduction gear set provided by the utility model;

[0026] Figure 4 A schematic diagram of the three-dimensional structure of the reduction gear set provided by the utility model;

[0027] Figure 5 This is a schematic diagram of the three-dimensional structure of the second shell provided by the utility model.

[0028] In the figure: 101, reduction module; 10101, primary reduction module; 10102, final reduction module; 10103, intermediate reduction module; 10104, screw sleeve; 10105, first mounting ear; 10106, fixing screw; 10107, first housing; 10108, second housing; 10109, second mounting ear; 10110, fixing bolt; 10111, oil filling port; 10112, sealing plug; 10113, ring gear; 10114, fixing sleeve; 102, reduction gear set; 10201, planet carrier; 10202, output connector; 10203, planetary gear; 10204, sun gear; 10205, input connection hole. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Embodiment 1 of a planetary reducer of the utility model

[0032] The utility model provides the following technical solutions: Figure 1-Figure 5As shown, a planetary reducer includes a reduction module 101, wherein the reduction module 101 includes a primary reduction module 10101 and a final reduction module 10102, and a plurality of intermediate reduction modules 10103 are arranged between the primary reduction module 10101 and the final reduction module 10102. By arranging a plurality of intermediate reduction modules 10103 between the primary reduction module 10101 and the final reduction module 10102, it is convenient for the primary reduction module 10101, the final reduction module 10102 and the intermediate reduction modules 10103 to be arranged between the primary reduction module 10101 and the final reduction module 10102. The first stage reduction module 10103 is combined and connected to form a multi-stage planetary reducer to achieve the function of greatly improving the output torque. The primary reduction module 10101 and the intermediate reduction module 10103 are provided with a screw sleeve 10104 on one side, and the final stage reduction module 10102 and the intermediate reduction module 10103 are provided with a first mounting ear 10105 on the other side. A fixing screw 10106 is inserted into the first mounting ear 10105. The fixing screw 10106 is threadedly connected to the screw sleeve 10104. A fixing screw 10106 is inserted inside the mounting ear 10105, and the fixing screw 10106 is threadedly connected to the screw sleeve 10104, so as to fix the combined connection of the primary reduction module 10101, the final reduction module 10102 and the intermediate reduction module 10103, facilitate the transmission of power, and facilitate disassembly and maintenance. A reduction gear group 102 is provided inside the primary reduction module 10101, the final reduction module 10102 and the intermediate reduction module 10103. Through the setting of the reduction gear group 102, it is convenient to transmit the rotational force coaxially while improving the output torque. A fixing jacket 10114 is fixedly installed on the input end of the reduction gear group 102 inside the primary reduction module 10101. The fixing jacket 10114 is fixedly installed on the input end of the reduction gear group 102 inside the primary reduction module 10101, so as to fix the fixing jacket 10114 to the output end of the motor, so as to facilitate the device to convert the high-speed rotational force generated by the motor into a low-speed rotational force with high torque.

[0033] Embodiment 2 of a planetary reducer of the utility model

[0034] Reference Figure 1-Figure 5As shown, the primary reduction module 10101, the final reduction module 10102 and the intermediate reduction module 10103 are all composed of a first shell 10107 and a second shell 10108. The arrangement of the first shell 10107 and the second shell 10108 facilitates the primary reduction module 10101, the final reduction module 10102 and the intermediate reduction module 10103 to have a consistent structure and use parts of the same size, which is convenient for later repair and maintenance. The first shell 10107 and the second shell 10108 are both provided with a second mounting ear 10109 on the opposite side, and a fixing bolt 10110 is inserted inside the second mounting ear 10109. The fixing bolt 10110 is inserted inside the second mounting ear 10109, so that the fixing bolt 10110 can fix the first shell 10107 and the second shell 10108 together. The reduction gear set 1 02 includes a planetary carrier 10201 and a sun gear 10204, an output connector 10202 is fixedly installed on one side of the planetary carrier 10201, the output connector 10202 is rotatably connected to the first housing 10107, and the output connector 10202 is rotatably connected to the first housing 10107, so that the planetary carrier 10201 is rotatably connected to the first housing 10107, and the sun gear 10204 is rotatably connected to the second housing 10108, and an input connection hole 10205 is provided on one side of the sun gear 10204, and the input connection hole 10205 is provided on one side of the sun gear 10204, so that the output connector 10202 of the primary reduction module 10101 and the intermediate reduction module 10103 is engaged and connected with the input connection hole 10205 of the adjacent intermediate reduction module 10103 and the final reduction module 10102, thereby realizing the transmission of rotational force and the amplification of torque.

[0035] Embodiment 3 of a planetary reducer of the utility model

[0036] Reference Figure 1-Figure 5As shown, four planetary gears 10203 are provided on one side of the planetary carrier 10201 away from the output connector 10202, and the planetary gears 10203 are rotatably connected to the planetary carrier 10201. A gear ring 10113 is provided on the inner side of the second housing 10108, and the outer side of the planetary gears 10203 is meshed with the gear ring 10113, and the inner side of the planetary gears 10203 is meshed with the sun gear 10204, and the outer side of the planetary gears 10203 is meshed with the gear ring 10113, and the inner side of the planetary gears 10203 is meshed with the sun gear 10204. The gear 10204 is meshedly connected to facilitate the transmission of the rotational force of the input connection hole 10205 to the output connector 10202 and amplify the torque. An oil filling port 10111 is provided at one end of the first shell 10107, and a sealing plug 10112 is threadedly connected to the inside of the oil filling port 10111. An oil filling port 10111 is provided at one end of the first shell 10107, and a sealing plug 10112 is threadedly connected to the inside of the oil filling port 10111, which facilitates the filling of lubricating oil into the first shell 10107 and the second shell 10108.

[0037] Specifically, the working principle of this planetary reducer is as follows: when in use, a fixing screw 10106 is inserted through the inside of the first mounting ear 10105, and the fixing screw 10106 is threadedly connected to the screw sleeve 10104, so as to facilitate the combined connection and fixation of the primary reduction module 10101, the final reduction module 10102 and the intermediate reduction module 10103, facilitate the transmission of power, and facilitate disassembly and maintenance. Through the arrangement of the first shell 10107 and the second shell 10108, it is convenient to make the primary reduction module 10101, the final reduction module 10102 and the intermediate reduction module 10103 have a consistent structure, use parts of the same size, and facilitate subsequent repair and maintenance. A fixing bolt 10110 is inserted through the inside of the second mounting ear 10109, so that the fixing bolt 10110 can fix the first shell 10107 and the second shell 10108 A fixed connection is made, an oil filling port 10111 is provided at one end of the first housing 10107, and a sealing plug 10112 is threadedly connected inside the oil filling port 10111, so as to facilitate filling lubricating oil into the first housing 10107 and the second housing 10108, and the outer side of the planetary gear 10203 is meshed with the ring gear 10113, and the inner side of the planetary gear 10203 is meshed with the sun gear 10204, so as to facilitate the transmission of the rotational force of the input connection hole 10205 to the output connector 10202 and amplify the torque, and an input connection hole 10205 is opened on one side of the sun gear 10204, so as to facilitate the engagement and connection between the output connectors 10202 of the primary reduction module 10101 and the intermediate reduction module 10103 and the input connection holes 10205 of the adjacent intermediate reduction module 10103 and the final reduction module 10102, thereby realizing the transmission of rotational force and the amplification of torque.

[0038] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A planetary reducer, characterized in that: The invention comprises a reduction module (101), wherein the reduction module (101) comprises a primary reduction module (10101) and a final reduction module (10102), wherein a plurality of intermediate reduction modules (10103) are arranged between the primary reduction module (10101) and the final reduction module (10102), wherein a screw sleeve (10104) is arranged on one side of the primary reduction module (10101) and the intermediate reduction module (10103), and a screw sleeve (10104) is arranged on the other side of the final reduction module (10102) and the intermediate reduction module (10103). A first mounting ear (10105), wherein a fixing screw (10106) is inserted into the interior of the first mounting ear (10105), wherein the fixing screw (10106) is threadedly connected to the screw sleeve (10104), wherein a reduction gear set (102) is provided inside the primary reduction module (10101), the final reduction module (10102) and the intermediate reduction module (10103), and a fixing sleeve (10114) is fixedly installed at the input end of the reduction gear set (102) inside the primary reduction module (10101).

2. A planetary reducer according to claim 1, characterized in that: The primary reduction module (10101), the final reduction module (10102) and the intermediate reduction module (10103) are all composed of a first shell (10107) and a second shell (10108).

3. A planetary reducer according to claim 2, characterized in that: A second mounting ear (10109) is provided on one side opposite to the first shell (10107) and the second shell (10108), and a fixing bolt (10110) is inserted into the interior of the second mounting ear (10109).

4. A planetary reducer according to claim 1, characterized in that: The reduction gear set (102) comprises a planet carrier (10201) and a sun gear (10204); an output joint (10202) is fixedly mounted on one side of the planet carrier (10201); and the output joint (10202) is rotatably connected to the first housing (10107).

5. A planetary reducer according to claim 4, characterized in that: The sun gear (10204) is rotatably connected to the second housing (10108), and an input connection hole (10205) is provided on one side of the sun gear (10204).

6. A planetary reducer according to claim 5, characterized in that: Four planetary gears (10203) are provided on a side of the planetary carrier (10201) away from the output joint (10202), and the planetary gears (10203) are rotatably connected to the planetary carrier (10201).

7. A planetary reducer according to claim 6, characterized in that: A ring gear (10113) is provided on the inner side of the second housing (10108), the outer side of the planetary gear (10203) is meshed with the ring gear (10113), and the inner side of the planetary gear (10203) is meshed and connected with the sun gear (10204).

8. A planetary reducer according to claim 2, characterized in that: An oil filling port (10111) is provided at one end of the first housing (10107), and a sealing plug (10112) is threadedly connected to the inside of the oil filling port (10111).

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