Planetary speed reducer with precise rotating speed regulation and control function

Abstract

The utility model discloses a planetary reducer with precise rotating speed regulation and control, which relates to the technical field of planetary reducers, and comprises a rack, wherein a driving module is fixedly mounted on one side of the top of the rack; a shell is arranged at one end of the driving module, an annular gear ring is fixedly arranged in the shell, and a planet wheel mechanism is in transmission connection with the interior of the gear ring; a detachable surface cover is fixedly mounted on the front surface of the shell; a driving shaft piece is arranged at one end of the driving module and is in transmission connection with the planet wheel mechanism; and a locking assembly is arranged above the shell. A first driving gear and a second driving gear are arranged on the adopted driving shaft piece, transposition can be conducted, transmission connection between the first rotating gear and the second driving gear and a first planet wheel and a second planet wheel on the planet wheel mechanism is achieved, and therefore the single transmission ratio of the planet wheels is expanded, and the speed reducer has the multi-stage transmission ratio; and the rotating speed of the speed reducer can be regulated and controlled with higher precision.

Description

TECHNICAL FIELD

[0001] The utility model relates to planetary reducer technical field, concretely is a kind of planetary reducer with accurate rotational speed regulation. BACKGROUND

[0002] Planetary reducer is a widely used industrial product, can reduce the rotational speed of motor, while increasing output torque. Planetary reducer can be used as a supporting component for lifting, excavating, transporting, building and other industries. Planetary reducer is composed of sun gear, a plurality of planetary gears, gear ring, input and output shaft and other components, its advantages include compact structure, small size, small backlash, high precision, wide speed reduction range, high transmission efficiency, large output torque and the like.

[0003] However, the current planetary reducer generally transmission ratio is greater than 2 or greater than 3, but its transmission ratio is generally fixed, without the function of adjusting transmission ratio, sometimes can not meet the needs of specific speed change occasions, can not realize more high-precision speed regulation, resulting in great limitations in the application of planetary reducer. Therefore, we propose a kind of planetary reducer with accurate rotational speed regulation. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of planetary reducer with accurate rotational speed regulation, solve the problems raised in the above background art.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of planetary reducer with accurate rotational speed regulation, including rack: the top side of rack is fixedly installed with drive module;

[0006] One end of drive module is provided with shell, annular gear ring is fixedly arranged in the inside of shell, planetary gear mechanism is drivingly connected in the inside of gear ring, and planetary gear mechanism is at least used to mesh rotation in the inside of gear ring;

[0007] The front surface of shell is fixedly installed with detachable face cover, and face cover is at least used to stably support planetary gear mechanism in the inside of shell;

[0008] One end of drive module is provided with driving shaft piece, and driving shaft piece is drivingly connected with planetary gear mechanism.

[0009] The upper portion of shell is provided with locking assembly, and locking assembly is at least used for the locking after transposition transmission connection between driving shaft piece and planetary gear mechanism.

[0010] Preferably, the rack includes a base, the base top is provided with a plurality of supports, the shell is fixed on the top of support, the base top side is provided with tailstock, and the drive module is fixedly installed on the tailstock.

[0011] Preferably, the locking assembly comprises a fixing seat fixed on the outer wall of the top of the shell, the top of the shell is provided with a sliding groove, and a shift fork is slidingly inserted into the sliding groove.

[0012] Preferably, the top end of the shift fork is fixedly provided with a screw column, and the end of the screw column is threadedly connected with a locking nut, and the shift fork is connected to the fixing seat through the screw column and the locking nut.

[0013] Preferably, the planetary gear mechanism comprises the first planetary gear and the second planetary gear which are arranged side by side, and a synchronous rod is fixedly arranged between the first planetary gear and the second planetary gear.

[0014] Preferably, the first planetary gear and the second planetary gear are meshingly connected with the gear ring.

[0015] Preferably, the driving shaft comprises a mandrel connected with the driving module, the mandrel is sleeved with a shaft sleeve, one end of the shaft sleeve is fixedly provided with a driving gear one, and the other end of the shaft sleeve is fixedly connected with a driving gear two.

[0016] A key groove is arranged on the outer wall of one side of the mandrel, and a flat key is arranged on the inner wall of one side of the shaft sleeve and slidingly arranged in the key groove.

[0017] The utility model provides a kind of planetary reducer with accurate rotational speed control, with the following beneficial effects:

[0018] The driving shaft is provided with driving gear one and driving gear two, which can be transposed, realize the transmission connection between driving gear one and driving gear two and the first planetary gear and the second planetary gear on the planetary gear mechanism, thereby expanding the single transmission ratio of the planetary gear, so that the reducer has multi-stage transmission ratio, and higher precision rotational speed control of the reducer is realized. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure perspective view of the utility model planetary reducer with accurate rotational speed control.

[0020] Figure 2 It is a structure sectional view of the utility model planetary reducer with accurate rotational speed control.

[0021] Figure 3 It is a structure schematic diagram of the utility model driving shaft of planetary reducer with accurate rotational speed control.

[0022] Figure 4 It is an explosion drawing of the utility model driving shaft of planetary reducer with accurate rotational speed control.

[0023] Figure 5 The utility model discloses a planetary gear mechanism structure schematic diagram of planetary reducer with accurate rotating speed regulation and control.

[0024] 1, rack;11, base;12, support;13, tailstock;2, drive module;3, shell;4, locking assembly;41, fixed seat;42, screw column;43, locking nut;44, shift fork;5, gear ring;6, planetary gear mechanism;61, planetary gear one;62, synchronous rod;63, planetary gear two;64, connecting rod;65, planetary gear frame;66, output shaft;7, face cover;8, driving axle spare;81, mandrel;82, driving gear one;83, shaft sleeve;84, driving gear two;85, keyway;86, flat key. DETAILED DESCRIPTION

[0025] The utility model discloses an embodiment is further detailed below in connection with the drawing and example. The following example is used to explain the utility model, but can not be used to limit the range of the utility model.

[0026] As Figures 1-5 The utility model discloses technical scheme provides a kind of planetary reducer with accurate rotating speed regulation and control, comprising: rack 1: the top side of rack 1 is fixedly installed with drive module 2;One end of drive module 2 is provided with shell 3, annular gear ring 5 is fixedly arranged in the inside of shell 3, planetary gear mechanism 6 is transmission connected in the inside of gear ring 5, planetary gear mechanism 6 is at least used to meshing rotation in the inside of gear ring 5;The front of shell 3 is fixedly installed with detachable face cover 7, face cover 7 is at least used to the stable support of planetary gear mechanism 6 in the inside of shell 3;One end of drive module 2 is provided with driving axle spare 8, driving axle spare 8 is transmission connected with planetary gear mechanism 6;The top of shell 3 is provided with locking assembly 4, locking assembly 4 is at least used to the locking of position transmission connection between driving axle spare 8 and planetary gear mechanism 6 after.

[0027] In the embodiment, comprising: rack 1: the top side of rack 1 is fixedly installed with drive module 2, drive module 2 can be high-speed rotating drive motor, utilize the speed reducer of this to realize the speed reduction of drive motor, to reach the purpose of high torque;

[0028] Specifically, rack 1 includes base 11, the top of base 11 is provided with a plurality of supports 12, shell 3 is fixed on the top of support 12, the top side of base 11 is provided with tailstock 13, drive module 2 is fixedly installed on tailstock 13, utilize support 12 to realize the fixed mounting of shell 3, utilize tailstock 13 to fixedly install drive module 2.

[0029] In the embodiment, one end of drive module 2 is provided with shell 3, annular gear ring 5 is fixedly arranged in the inside of shell 3;

[0030] In this embodiment, the inside of the gear ring 5 is connected with the planetary gear mechanism 6, which is used for meshing rotation at least in the inside of the gear ring 5.

[0031] Specifically, the planetary gear mechanism 6 includes the planetary gear one 61 and the planetary gear two 63 arranged in parallel, the synchronous rod 62 is fixedly arranged between the planetary gear one 61 and the planetary gear two 63, the connecting rod 64 is fixedly arranged on one side of the planetary gear two 63, the planetary gear carrier 65 is arranged on the end of the connecting rod 64 away from the planetary gear two 63, the output shaft 66 is arranged at the center of one side of the planetary gear carrier 65, the driving module 2 outputs power, which is transmitted to the planetary gear mechanism 6 through the driving shaft 8, and the effect of deceleration is realized by the planetary gear mechanism 6, the driving shaft 8 rotates to drive the planetary gear one 61 or the planetary gear two 63 to rotate, the planetary gear one 61 or the planetary gear two 63 rotates in the inside of the gear ring 5, thereby driving the connecting rod 64 and the planetary gear carrier 65 to rotate, and finally the power is transmitted outward by the output shaft 66.

[0032] It should be noted that the synchronous rod 62 is a bent rod, the outside of the planetary gear one 61 and the planetary gear two 63 is meshingly connected with the gear ring 5, the planetary gear two 63 with a large outer diameter is meshingly connected with the driving gear one 82, and the planetary gear one 61 with a small outer diameter is meshingly connected with the driving gear two 84, the position of the driving gear one 82 and the driving gear two 84 is changed by the shift fork 44, the transmission connection of one of them is realized, thereby different transmission ratios are obtained by cooperating with the planetary gear reducer, and the search use under different conditions is satisfied.

[0033] Specifically, the planetary gear one 61 and the planetary gear two 63 are meshingly connected with the gear ring 5.

[0034] In this embodiment, the front surface of the shell 3 is fixedly installed with the detachable face cover 7, the face cover 7 is used for at least stably supporting the planetary gear mechanism 6 inside the shell 3, the face cover 7 acts as a bearing seat, and stably supports the output shaft 66;

[0035] In this embodiment, one end of the driving module 2 is provided with the driving shaft 8, and the driving shaft 8 is in transmission connection with the planetary gear mechanism 6.

[0036] Specifically, the driving shaft 8 includes the mandrel 81 connected with the driving module 2, the shaft sleeve 83 is sleeved outside the mandrel 81, the driving gear one 82 is fixedly arranged on one end of the shaft sleeve 83, and the driving gear two 84 is fixedly connected to the other end of the shaft sleeve 83, and the shaft sleeve 83 can slide on the mandrel 81, thereby driving the driving gear one 82 and the driving gear two 84 at the two ends to change positions.

[0037] Specifically, the one side outer wall of the mandrel 81 is provided with a keyway 85, the one side inner wall of the shaft sleeve 83 is provided with a flat key 86 sliding in the keyway 85, when the shaft sleeve 83 slides, the flat key 86 slides in the keyway 85, and the flat key 86 plays a guiding role.

[0038] In the embodiment, the upper portion of the shell 3 is provided with a locking assembly 4, which is used for locking the transmission connection between the driving shaft 8 and the planetary gear mechanism 6.

[0039] Specifically, the locking assembly 4 comprises a fixing seat 41 fixed on the top outer wall of the shell 3, the top portion of the shell 3 is provided with a sliding groove, the sliding groove is slidingly connected with a shift fork 44, the bottom end of the shift fork 44 is connected with the driving shaft 8, the bottom of the shift fork 44 is not in contact with the shaft sleeve 83, and the shift fork 44 can swing the driving gear one 82 and the driving gear two 84 to slide.

[0040] Specifically, the top end of the shift fork 44 is fixedly provided with a screw column 42, the end of the screw column 42 is threadedly connected with a locking nut 43, the shift fork 44 is connected to the fixing seat 41 through the screw column 42 and the locking nut 43, after the position adjustment of the driving gear one 82 and the driving gear two 84 is completed, the shift fork 44 is fixedly connected to the fixing seat 41 through the fixing of the screw column 42 by the locking nut 43, and the driving gear one 82 and the driving gear two 84 are locked.

Claims

1. A planetary reducer with precise speed regulation, comprising a frame (1), characterized in that: The top side of the rack (1) is fixedly provided with a driving module (2); One end of the driving module (2) is provided with a shell (3), the inside of the shell (3) is fixedly provided with an annular gear ring (5), the inside of the gear ring (5) is drivingly connected with a planetary gear mechanism (6), and the planetary gear mechanism (6) is at least used for meshing rotation in the inside of the gear ring (5); The front of the shell (3) is fixedly provided with a detachable face cover (7), and the face cover (7) is at least used for stably supporting the planetary gear mechanism (6) in the inside of the shell (3); One end of the driving module (2) is provided with a driving shaft member (8), and the driving shaft member (8) is drivingly connected with the planetary gear mechanism (6); The upper portion of the shell (3) is provided with a locking assembly (4), and the locking assembly (4) is at least used for locking after transposition driving connection between the driving shaft member (8) and the planetary gear mechanism (6).

2. The planetary reducer with precise rotational speed regulation according to claim 1, characterized in that: The rack (1) comprises a base (11), the top of the base (11) is provided with a plurality of supports (12), the shell (3) is fixed on the top of the support (12), the top of the base (11) is provided with a tailstock (13), and the driving module (2) is fixedly installed on the tailstock (13).

3. The planetary reducer with precise rotational speed regulation according to claim 1, characterized in that: The locking assembly (4) comprises a fixed seat (41) fixed on the top outer wall of the shell (3), the top of the shell (3) is provided with a sliding groove, the inside of the sliding groove is slidingly inserted with a shift fork (44), and the bottom end of the shift fork (44) is connected with the driving shaft member (8).

4. The planetary reducer with precise rotational speed control according to claim 3, characterized in that: The top end of the shift fork (44) is fixedly provided with a screw column (42), the end of the screw column (42) is threadedly connected with a locking nut (43), and the shift fork (44) is connected to the fixed seat (41) through the screw column (42) and the locking nut (43).

5. The planetary reducer with precise rotational speed regulation according to claim 1, characterized in that: The planetary gear mechanism (6) comprises parallelly distributed planetary gears one (61) and two (63), the synchronous rod (62) is fixedly arranged between the planetary gears one (61) and two (63), the connecting rod (64) is fixedly arranged on one side of the planetary gear two (63), the end of the connecting rod (64) away from the planetary gear two (63) is provided with a planetary gear frame (65), and the output shaft (66) is arranged at the center of one side of the planetary gear frame (65).

6. A planetary gear reducer with precise rotational speed control according to claim 5, characterized in that: The planetary gears one (61) and two (63) are meshingly connected with the gear ring (5).

7. A planetary gear reducer with precise rotational speed control according to claim 6, characterized in that: The driving shaft member (8) comprises a shaft core (81) connected with the driving module (2), the outside of the shaft core (81) is sleeved with a shaft sleeve (83), one end of the shaft sleeve (83) is fixedly provided with a driving gear one (82), and the other end of the shaft sleeve (83) is fixedly connected with a driving gear two (84); The outside of one side of the shaft core (81) is provided with a key groove (85), and the inside of one side of the shaft sleeve (83) is provided with a flat key (86) slidingly arranged in the key groove (85).

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