Split type speed reducer

Abstract

The split type speed reducer comprises U-shaped plates, mounting grooves are formed in the middles of the U-shaped plates, two-way screws are rotationally connected to the middles of the inner sides of the mounting grooves, threaded blocks are connected to the upper sides and the lower sides of the peripheries of the two-way screws in a threaded mode, and movable plates are fixedly connected to the middles of the side walls, close to a lower cover plate, of the threaded blocks. Insertion rods are fixedly connected to the middles of the close side walls of the upper and lower moving plates. According to the split type speed reducer, when the speed reducer needs to be installed, a U-shaped plate is moved to the outer side of the splicing position of a lower cover plate and an upper cover plate, a rotary knob is rotated after an inserting rod is aligned with a positioning hole, a two-way screw is rotated in the rotating process of the rotary knob, and therefore threaded blocks on the upper side and the lower side of the periphery of the two-way screw are close to each other; the threaded blocks drive the movable plates to get close to each other in the process of getting close to each other, meanwhile, the insertion rods are inserted into the positioning holes in the upper and lower sides, the upper cover plate and the lower cover plate are pressed and fixed, the speed reducer installation operation is completed, and the speed reducer installation efficiency is improved.

Description

Technical Field

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

[0002] A reducer is an independent component consisting of a gear drive, worm drive, or gear-worm drive enclosed in a rigid housing. It is often used as a reduction transmission device between the prime mover and the working machine. It matches the speed and transmits torque between the prime mover and the working machine or actuator. It is widely used in modern machinery. It is a relatively precise machine with many types and models. Different types have different uses. There are many types of reducers, which can be divided into gear reducers, worm reducers, and planetary gear reducers according to the transmission type.

[0003] In the prior art, a split-type reducer requires a large number of screws and nuts to be fastened and installed during the disassembly and assembly process. This installation method not only requires a large amount of manpower, but also consumes a lot of time, reducing the maintenance efficiency of the reducer. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] The utility model discloses a split type reducer, comprising a lower cover plate and an upper cover plate, wherein a quick disassembly and assembly mechanism is arranged outside the lower cover plate and the upper cover plate;

[0006] The quick disassembly and assembly mechanism includes a U-shaped plate, a mounting groove is provided in the middle of the U-shaped plate, a bidirectional screw is rotatably connected to the middle of the inner side of the mounting groove, threaded blocks are threadedly connected to the upper and lower sides of the outer periphery of the bidirectional screw, a movable plate is fixedly connected to the middle of a side wall of the threaded block close to the lower cover plate, and an insertion rod is fixedly connected to the middle of a side wall close to the upper and lower groups of movable plates, and the insertion rod is gap-matched with the positioning holes, and the positioning holes are respectively provided on the outer periphery of the top of the lower cover plate and the outer periphery of the bottom of the upper cover plate.

[0007] As a preferred technical solution of the utility model, a sun gear is rotatably connected to the lower side of the upper cover plate, and fan blades are fixedly connected to the left and right sides of the top of the sun gear.

[0008] As a preferred technical solution of the utility model, a mounting ring is provided between the lower cover plate and the upper cover plate, and an inner gear ring is rotatably connected to the inner side of the mounting ring.

[0009] As a preferred technical solution of the utility model, the inner side of the inner gear ring is meshedly connected with multiple groups of annularly distributed planetary gears, and the planetary gears are all arranged on the top of the planet carrier.

[0010] As a preferred technical solution of the utility model, the planet carrier is rotatably connected to the top of the mounting member, and the mounting member is arranged on the inner side of the lower cover plate.

[0011] As a preferred technical solution of the utility model, a connecting plate is fixedly connected to the outer side of the bottom of the mounting piece, a plurality of groups of annularly distributed bolts are arranged in the middle of the connecting plate, and the connecting plate is fixed to the lower cover plate by bolts.

[0012] As a preferred technical solution of the utility model, a plurality of groups of annularly distributed mounting holes are arranged on the outer side of the bottom of the lower cover plate, and openings are arranged on the inner sides of the upper cover plate and the lower cover plate.

[0013] As a preferred technical solution of the utility model, the sun gear is arranged at the bottom of the coupling, and keyways are arranged in the middle of the coupling and the mounting member.

[0014] The beneficial effects of the utility model are:

[0015] 1. This type of split reducer, when the reducer needs to be installed, moves the U-shaped plate to the outside of the joint of the lower cover plate and the upper cover plate, aligns the insertion rod with the positioning hole, and then turns the knob. During the rotation of the knob, the bidirectional screw is rotated, so that the upper and lower threaded blocks on the outer periphery of the bidirectional screw are close to each other. During the process of the threaded blocks approaching each other, the moving plates are driven to approach each other. At the same time, the insertion rod is inserted into the upper and lower positioning holes, and the upper cover plate and the lower cover plate are pressed and fixed to complete the reducer installation operation, thereby improving the installation efficiency of the reducer;

[0016] 2. This type of split reducer can make the threaded blocks move closer to or farther away from each other by turning the knob, thereby making the inserted rods move closer to or farther away from each other, replacing the traditional connection method of screw and nut, so that the reducer can be quickly installed and disassembled without the need for tools, thereby improving the practicality of the reducer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of a split-type reducer of the utility model from top view;

[0019] Figure 2 This is a schematic diagram of the internal structure of a split-type reducer of the utility model;

[0020] Figure 3 This is a bottom view schematic diagram of the overall structure of a split-type reducer of the utility model;

[0021] Figure 4 The utility model is a schematic diagram of the installation structure of a split-type reducer.

[0022] In the figure: 1. lower cover; 2. quick disassembly and assembly mechanism; 3. upper cover; 4. positioning hole; 5. sun gear; 6. mounting ring; 7. inner ring gear; 8. planetary gear; 9. planetary carrier; 10. mounting part; 11. bolt; 12. mounting hole; 13. keyway; 14. coupling; 15. opening; 16. U-shaped plate; 17. connecting plate; 18. bidirectional screw; 19. knob; 20. mounting groove; 21. threaded block; 22. movable plate; 23. plug rod; 24. fan blade. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0024] Example: Figure 1-4 As shown, the utility model is a split type reducer, comprising a lower cover plate 1 and an upper cover plate 3, the upper cover plate 3 and the lower cover plate 1 are spliced ​​to form a reducer housing, and a quick disassembly mechanism 2 is arranged outside between the lower cover plate 1 and the upper cover plate 3;

[0025] The quick disassembly and assembly mechanism 2 includes a U-shaped plate 16, a mounting groove 20 is provided in the middle of the U-shaped plate 16, and a bidirectional screw 18 is rotatably connected to the middle of the inner side of the mounting groove 20. The bidirectional screw 18 can rotate inside the mounting groove 20 to drive the upper and lower threaded blocks 21 to move away from or approach each other. The upper and lower sides of the outer periphery of the bidirectional screw 18 are threadedly connected with threaded blocks 21. The threaded blocks 21 are fixedly connected to a movable plate 22 in the middle of one side wall close to the lower cover plate 1. The upper and lower groups of movable plates 22 are fixedly connected to the middle of one side wall close to each other. The insertion rod 23 cooperates with the positioning hole 4 to determine the position of the U-shaped plate 16. The insertion rod 23 is clearance-matched with the positioning hole 4. The positioning holes 4 are respectively arranged on the outer periphery of the top of the lower cover plate 1 and the outer periphery of the bottom of the upper cover plate 3.

[0026] The sun gear 5 is rotatably connected to the lower side of the upper cover plate 3, and the fan blades 24 are fixedly connected to the left and right sides of the top of the sun gear 5. The rotation of the sun gear 5 will cause the fan blades 24 to rotate, thereby dissipating heat inside the reducer.

[0027] Among them, a mounting ring 6 is arranged between the lower cover plate 1 and the upper cover plate 3, and an inner gear ring 7 is rotatably connected to the inner side of the mounting ring 6. The inner gear ring 7 and the planetary gear 8 are both internal drive components of the reducer.

[0028] Among them, a plurality of groups of annularly distributed planetary gears 8 are meshedly connected to the inner side of the inner gear ring 7 , and the planetary gears 8 are all arranged on the top of the planet carrier 9 .

[0029] The planet carrier 9 is rotatably connected to the top of a mounting member 10 , and the mounting member 10 is arranged on the inner side of the lower cover plate 1 .

[0030] Among them, a connecting plate 17 is fixedly connected to the outer side of the bottom of the mounting member 10, and a plurality of groups of annularly distributed bolts 11 are arranged in the middle of the connecting plate 17. The connecting plate 17 is fixed to the lower cover plate 1 through the bolts 11, and the connecting plate 17 is fixed to the inner side of the lower cover plate 1 with the cooperation of the bolts 11 and the mounting holes 12.

[0031] The outer side of the bottom of the lower cover plate 1 is provided with a plurality of groups of annularly distributed mounting holes 12 , and the inner sides of the upper cover plate 3 and the lower cover plate 1 are both provided with openings 15 .

[0032] The sun gear 5 is arranged at the bottom of the coupling 14, and the coupling 14 and the middle of the mounting member 10 are both provided with a keyway 13, through which the motor is connected with other objects so that the reducer can function.

[0033] Working principle: When the reducer needs to be installed, move the U-shaped plate 16 to the outside of the joint of the lower cover plate 1 and the upper cover plate 3, align the insertion rod 23 with the positioning hole 4, and then turn the knob 19. During the rotation of the knob 19, the bidirectional screw 18 is rotated, so that the upper and lower threaded blocks 21 on the outer periphery of the bidirectional screw 18 are close to each other. During the process of the threaded blocks 21 approaching each other, the moving plate 22 is driven to approach each other. At the same time, the insertion rod 23 is inserted into the upper and lower positioning holes 4, and the upper cover plate 3 and the lower cover plate 1 are pressed and fixed to complete the installation operation of the reducer. After that, the drive motor and the object to be driven are connected and fixed to the reducer through the keyway 13, and the reducer can be used.

[0034] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0035] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. 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 split-type reducer, comprising a lower cover plate (1) and an upper cover plate (3), characterized in that: A quick disassembly and assembly mechanism (2) is provided on the outer side between the lower cover plate (1) and the upper cover plate (3); The quick disassembly and assembly mechanism (2) comprises a U-shaped plate (16), the middle of which is provided with a mounting groove (20), the middle of the inner side of which is rotatably connected with a bidirectional screw rod (18), the upper and lower sides of the outer periphery of which are threadedly connected with a threaded block (21), the threaded block (21) is fixedly connected with a movable plate (22) at the middle of a side wall close to the lower cover plate (1), and the upper and lower groups of movable plates (22) are fixedly connected with an insertion rod (23) at the middle of a side wall close to each other, the insertion rod (23) is loosely matched with a positioning hole (4), and the positioning hole (4) is respectively provided at the top periphery of the lower cover plate (1) and the bottom periphery of the upper cover plate (3).

2. A split type reducer according to claim 1, characterized in that: The lower side of the upper cover plate (3) is rotatably connected to a sun gear (5), and both left and right sides of the top of the sun gear (5) are fixedly connected to fan blades (24).

3. A split type reducer according to claim 1, characterized in that: A mounting ring (6) is provided between the lower cover plate (1) and the upper cover plate (3), and an inner gear ring (7) is rotatably connected to the inner side of the mounting ring (6).

4. A split type reducer according to claim 3, characterized in that: The inner side of the inner gear ring (7) is meshedly connected with a plurality of groups of annularly distributed planetary gears (8), and the planetary gears (8) are all arranged on the top of the planet carrier (9).

5. A split type reducer according to claim 4, characterized in that: The planet carrier (9) is rotatably connected to the top of a mounting member (10), and the mounting member (10) is arranged on the inner side of the lower cover plate (1).

6. A split type reducer according to claim 5, characterized in that: A connecting plate (17) is fixedly connected to the outer side of the bottom of the mounting member (10), a plurality of groups of annularly distributed bolts (11) are arranged in the middle of the connecting plate (17), and the connecting plate (17) is fixed to the lower cover plate (1) via the bolts (11).

7. A split type reducer according to claim 1, characterized in that: The bottom outer side of the lower cover plate (1) is provided with a plurality of groups of mounting holes (12) distributed in an annular manner, and the inner sides of the upper cover plate (3) and the lower cover plate (1) are both provided with openings (15).

8. A split type reducer according to claim 2, characterized in that: The sun gear (5) is arranged at the bottom of the coupling (14), and the coupling (14) and the middle of the mounting member (10) are both provided with a keyway (13).

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