Speed reducer for battery replacement lifting of battery swap station

By arranging the input and output shafts coaxially and combining them with an eccentrically arranged reduction mechanism, the problems of large lateral volume and poor load-bearing capacity of the reducer are solved, achieving a compact structure and highly stable battery lifting effect.

CN223594867UActive Publication Date: 2025-11-25CHANGZHOU DESBOER MASCH CO LTD
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Patent Information

Application Number
CN202423274040.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-25
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing speed reducers use the transmission ratio between gears to reduce speed, resulting in a long lateral volume, non-compact structure, and poor load-bearing capacity.

Method used

The input shaft, first-stage reduction mechanism, second-stage reduction mechanism, and third-stage reduction mechanism are arranged coaxially, while the input shaft and output shaft are arranged off-axis. The design of the first-stage reduction mechanism, second-stage reduction mechanism, and third-stage reduction mechanism achieves a compact and integrated structure. The load-bearing capacity is enhanced by the eccentric arrangement of the first-stage gear shaft, connecting shaft, and transmission shaft.

Benefits of technology

This design achieves a compact structure, smooth operation, and strong load-bearing capacity in the speed reducer, while also improving the stability of battery lifting.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of speed reducers, in particular to a lifting speed reducer for battery replacement of a battery swap station, which comprises a reduction gearbox, an input shaft, a first-stage reduction mechanism, a second-stage reduction mechanism, a third-stage reduction mechanism and an output shaft. The input shaft is rotationally connected with the reduction gearbox, the output end of the input shaft is in transmission connection with the input end of the first-stage reduction mechanism, the output end of the first-stage reduction mechanism is in transmission connection with the input end of the second-stage reduction mechanism, and the output end of the second-stage reduction mechanism is in transmission connection with the input end of the third-stage reduction mechanism. By means of the design that the input shaft, the input ends of the first-stage speed reducing mechanism, the input ends of the second-stage speed reducing mechanism and the input ends of the third-stage speed reducing mechanism are coaxially arranged and the input shaft and the output shaft are arranged in a non-coaxial mode, it is guaranteed that the structure is compact, the integrated design is achieved, operation is stable, and the bearing capacity is high; and the stability of the battery lifting device in the aspect of battery lifting is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a speed reducer technical field especially is related to a battery replacement station battery replacement lifting speed reducer. BACKGROUND

[0002] Speed reducer is a kind of transmission device specially used for reducing motor speed, improves power output.In battery replacement station battery lifting device, speed reducer receives the power input of motor, and converts it into greater torque, lower speed output, to drive lifting mechanism to realize the stable lifting of battery.Battery replacement station battery replacement lifting speed reducer is widely used in the occasion needing battery lifting, such as new energy automobile battery replacement station, battery production line battery handling and assembly link etc.The speed reducer in prior art adopts the transmission ratio between gear and gear to reduce, and the installation of gear needs to be arranged transversely, resulting in the long transverse volume of speed reducer, and the structure of speed reducer is not compact enough, and the carrying capacity is poor. SUMMARY

[0003] The utility model solves the technical problems that: in order to overcome the prior art speed reducer adopts the transmission ratio between gear and gear to reduce, and the installation of gear needs to be arranged transversely, resulting in the long transverse volume of speed reducer, and the structure of speed reducer is not compact enough, and the carrying capacity is poor, provide a battery replacement station battery replacement lifting speed reducer.

[0004] The utility model adopts the technical scheme in the technical solutions that: a battery replacement station battery replacement lifting speed reducer, including speed reducer box, input shaft, primary speed reducer mechanism, secondary speed reducer mechanism, tertiary speed reducer mechanism and output shaft;

[0005] Input shaft and speed reducer box are rotationally connected, the output end of input shaft and the input end of primary speed reducer mechanism are transmissionally connected, the output end of primary speed reducer mechanism and the input end of secondary speed reducer mechanism are transmissionally connected, the output end of secondary speed reducer mechanism and the input end of tertiary speed reducer mechanism are transmissionally connected, the output end of tertiary speed reducer mechanism and output shaft are transmissionally connected, primary speed reducer mechanism, secondary speed reducer mechanism and tertiary speed reducer mechanism are arranged in speed reducer box, and output shaft and speed reducer box are rotationally connected;

[0006] The input end of input shaft, primary speed reducer mechanism, secondary speed reducer mechanism and tertiary speed reducer mechanism is coaxially arranged, and input shaft and output shaft are arranged on different axes, through the coaxial arrangement of the input end of input shaft, primary speed reducer mechanism, secondary speed reducer mechanism and tertiary speed reducer mechanism and the design that input shaft and output shaft are arranged on different axes, the compact structure is guaranteed, integrated design is realized, and the stable operation, strong carrying capacity are realized, and the stability of its use in battery lifting is greatly provided.

[0007] In order to solve the problem of how to design the primary reduction mechanism, the secondary reduction mechanism and the tertiary reduction mechanism to reduce the size of the gear box, the primary reduction mechanism is arranged in the reduction box, the primary reduction mechanism comprises a primary gear shaft and a primary reduction gear, a primary gear ring matched with the primary reduction gear is formed on the inner wall of the reduction box, the output end of the input shaft is engaged with the primary reduction gear, the primary reduction gear is installed on the shaft end of the primary gear shaft, the primary reduction gear is engaged with the primary gear ring, and the primary gear shaft is in transmission connection with the reduction box.

[0008] The secondary reduction mechanism is arranged in the reduction box, the secondary reduction mechanism comprises a connecting shaft and a secondary reduction gear, a secondary gear ring matched with the secondary reduction gear is formed on the inner wall of the reduction box, the tooth end of the gear shaft is engaged with the secondary reduction gear, the secondary reduction gear is installed on the shaft end of the connecting shaft, the secondary reduction gear is engaged with the secondary gear ring, and the connecting shaft is in rotary connection with the reduction box.

[0009] The tertiary reduction mechanism comprises a tertiary reduction gear one, a tertiary reduction gear two, a transmission gear one and a transmission shaft, the tertiary reduction gear one is sleeved on the connecting shaft, the transmission shaft is in transmission connection with the reduction box, the tertiary reduction gear two is sleeved on the transmission shaft, the tertiary reduction gear one is engaged with the tertiary reduction gear two, and the transmission gear one is sleeved on the transmission shaft.

[0010] The transmission gear two is sleeved on the output shaft, and the transmission gear one is engaged with the transmission gear two.

[0011] In order to solve the problem of how to further shorten the size of the reduction machine, the primary gear shaft, the connecting shaft and the transmission shaft are coaxially arranged, the primary gear shaft and the primary reduction gear are eccentrically arranged, and the secondary reduction gear and the connecting shaft are eccentrically arranged.

[0012] The diameter of the tertiary reduction gear one is smaller than the diameter of the tertiary reduction gear two.

[0013] In order to solve the problem of unstable installation of the tertiary reduction gear one, the tertiary reduction mechanism comprises a gland, the gland is fixedly connected with the connecting shaft, and the tertiary reduction gear one is located between the gland and the connecting shaft.

[0014] In order to solve the problem of unstable installation of the tertiary reduction gear one, the tertiary reduction mechanism comprises a gland, the gland is fixedly connected with the connecting shaft, and the tertiary reduction gear one is located between the gland and the connecting shaft.

[0015] In order to solve the problem of inconvenient installation of the components into the reduction box, the reduction box comprises a box body, a box cover, a shell one, a shell two and a rear cover, the box body is located above the box cover, the box body is fixedly connected with the box cover, the right end of the shell two is fixedly connected with the left end of the box cover, the right end of the rear cover is fixedly connected with the left end of the shell two, the right end of the shell one is fixedly connected with the left end of the shell two, and the shell one is fixedly connected with the left end of the rear cover.

[0016] The output shaft is arranged in the box body, the three-stage speed reduction mechanism is located in the box cover, and the output end of the three-stage speed reduction mechanism extends into the box body, the two-stage speed reduction mechanism is located in the shell two, and the output end of the two-stage speed reduction mechanism extends into the box cover, the one-stage speed reduction mechanism is located in the shell one, and the output end of the one-stage speed reduction mechanism extends into the shell two, and the input shaft is located in the rear cover, and the output end of the input shaft extends into the shell one.

[0017] The utility model discloses a kind of battery replacement lifting speed reducer of battery replacement station, by the coaxial arrangement of input shaft, one-stage speed reduction mechanism, two-stage speed reduction mechanism and the input end of three-stage speed reduction mechanism And the design of the heteroaxial arrangement of input shaft and output shaft, compact structure is guaranteed, integrated design is realized, and it is stable to greatly provide its use in battery lifting aspect. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model is further described below in connection with drawings and embodiment.

[0019] Figure 1 It is the structure schematic diagram of the utility model;

[0020] Figure 2 It is the local structure schematic diagram of the utility model output shaft;

[0021] Figure 3 It is the local structure schematic diagram of the utility model input shaft.

[0022] In the drawing: 1, speed reduction box, 11, box body, 12, box cover, 13, shell one, 14, shell two, 15, rear cover;

[0023] 2, input shaft, 21, locking device;

[0024] 3, one-stage speed reduction mechanism, 31, one-stage gear shaft, 32, one-stage speed reduction gear, 33, one-stage gear ring;

[0025] 4, two-stage speed reduction mechanism, 41, connecting shaft, 42, two-stage speed reduction gear, 43, two-stage gear ring;

[0026] 5, three-stage speed reduction mechanism, 51, three-stage speed reduction gear one, 52, three-stage speed reduction gear two, 53, transmission gear one, 54, transmission shaft, 55, gland;

[0027] 6, output shaft, 61, transmission gear two. DETAILED DESCRIPTION

[0028] Now the utility model is further detailed in connection with drawing. These drawings are all simplified schematic diagram, just with schematic way to show the basic structure of the utility model, so it just shows the structure related to the utility model.

[0029] As Figure 1 is a structural schematic view of the utility model, a battery replacement lifting speed reducer of battery swap station, including reduction box 1, input shaft 2, primary speed reducer 3, secondary speed reducer 4, tertiary speed reducer 5 and output shaft 6;

[0030] As Figure 1 Indicated, input shaft 2 and reduction box 1 rotationally connected, input shaft 2 is arranged with the lock 21 for fixing the shaft of motor, the output end of input shaft 2 and the input end of primary speed reducer 3 transmission connection, the output end of primary speed reducer 3 and the input end of secondary speed reducer 4 transmission connection, the output end of secondary speed reducer 4 and the input end of tertiary speed reducer 5 transmission connection, the output end of tertiary speed reducer 5 and output shaft 6 transmission connection, primary speed reducer 3, secondary speed reducer 4 and tertiary speed reducer 5 are arranged in reduction box 1, output shaft 6 and reduction box 1 rotationally connected;

[0031] Input shaft 2, primary speed reducer 3, secondary speed reducer 4 and the input end of tertiary speed reducer 5 coaxial arrangement, input shaft 2 and output shaft 6 heteroaxial arrangement, through the coaxial arrangement of input shaft 2, primary speed reducer 3, secondary speed reducer 4 and the input end of tertiary speed reducer 5 and the heteroaxial arrangement of input shaft 2 and output shaft 6 design, guarantee compact structure, realize integrated design, and run smoothly, and the carrying capacity is strong, greatly provides its stability in the battery lifting aspect of use.

[0032] Input shaft 2 and reduction box 1 rotationally connected, input shaft 2 is arranged with the lock 21 for fixing the shaft of motor, input shaft 2 is rotationally connected through bearing and rear cover 15, the input end face of input shaft 2 has the slot for the shaft of motor installation, the output end of input shaft is tapered structure, input shaft 2 is the toothed shaft, the output end of input shaft 2 has the tooth matched with primary speed reducer gear 32, the tooth on the output end of input shaft 2 and primary speed reducer gear 32 are engaged.

[0033] As Figure 1 , 2As shown in the figure, the primary reduction mechanism 3 is arranged in the reduction box 1, the primary reduction mechanism 3 comprises a primary gear shaft 31 and a primary reduction gear 32, a primary gear ring 33 matched with the primary reduction gear 32 is formed on the inner wall of the reduction box 1, the output end of the input shaft 2 and the primary reduction gear 32 are engaged, the primary reduction gear 32 is installed on the shaft end of the primary gear shaft 31, and the primary reduction gear 32 and the primary gear ring 33 are engaged, and the primary gear shaft 31 is drivingly connected with the reduction box 1; the input end face (shaft end) of the primary gear shaft 31 has a notch for the tooth end of the input shaft 2 to be put into, the input end of the primary gear shaft 31 has a notch for the primary reduction gear 32 to be installed, the output end of the primary gear shaft 31 has teeth matched with the secondary reduction gear 42, the teeth on the output end of the primary gear shaft 31 and the secondary reduction gear 42 are engaged, and the primary gear shaft 31 is rotatably connected with the shell two 14 through a bearing.

[0034] As shown in the figure, Figure 1 , 2 The secondary reduction mechanism 4 is arranged in the reduction box 1, the secondary reduction mechanism 4 comprises a connecting shaft 41 and a secondary reduction gear 42, a secondary gear ring 43 matched with the secondary reduction gear 42 is formed on the inner wall of the reduction box 1, the tooth end of the gear shaft and the secondary reduction gear 42 are engaged, the secondary reduction gear 42 is installed on the shaft end of the connecting shaft 41, and the secondary reduction gear 42 and the secondary gear ring 43 are engaged, and the connecting shaft 41 is rotatably connected with the reduction box 1; the input end face (shaft end) of the connecting shaft 41 has a notch for the tooth end of the primary gear shaft 31 to be put into, the input end of the connecting shaft 41 has a notch for the secondary reduction gear 42 to be installed, the output end of the connecting shaft 41 has teeth matched with the tertiary reduction gear 51, the teeth on the output end of the connecting shaft 41 and the tertiary reduction gear 51 are engaged, and the connecting shaft 41 is rotatably connected with the shell one 13 through a bearing.

[0035] As shown in the figure, Figure 1 , 3 The tertiary reduction mechanism 5 comprises a tertiary reduction gear one 51, a tertiary reduction gear two 52, a transmission gear one 53 and a transmission shaft 54, the tertiary reduction gear one 51 is sleeved on the connecting shaft 41, the transmission shaft 54 is drivingly connected with the reduction box 1, the tertiary reduction gear two 52 is sleeved on the transmission shaft 54, the tertiary reduction gear one 51 and the tertiary reduction gear two 52 are engaged, and the transmission gear one 53 is sleeved on the transmission shaft 54; the diameter of the tertiary reduction gear one 51 is smaller than the diameter of the tertiary reduction gear two 52, the tertiary reduction mechanism 5 comprises a gland 55, the gland 55 is fixedly connected with the connecting shaft 41, the tertiary reduction gear one 51 is located between the gland 55 and the connecting shaft 41, and the transmission shaft 54 is rotatably connected with the box cover 12 through a bearing.

[0036] As shown in the figure, Figure 1 , 3As shown, the output shaft 6 is sleeved with the transmission gear two 61, the transmission gear one 53 and the transmission gear two 61 are engaged, the output shaft 6 is rotatably connected with the box 11 through the bearing, and the rotatable connection of the output shaft 6 is treated by the skeleton oil seal.

[0037] The primary gear shaft 31, the connecting shaft 41 and the transmission shaft 54 are coaxially arranged, the primary gear shaft 31 and the primary reduction gear 32 are eccentrically arranged, and the secondary reduction gear 42 and the connecting shaft 41 are eccentrically arranged.

[0038] As shown in Figure 1 , 2 , the reduction box 1 includes a box 11, a cover 12, a shell one 13, a shell two 14 and a rear cover 15, the box 11 is above the cover 12, the box 11 and the cover 12 are fixedly connected, the right end of the shell two 14 and the left end of the cover 12 are fixedly connected, the right end of the rear cover 15 and the left end of the shell two 14 are fixedly connected, the right end of the shell one 13 and the left end of the shell two 14 are fixedly connected, and the left end of the shell one 13 and the rear cover 15 are fixedly connected.

[0039] The output shaft 6 is arranged in the box 11, the three-stage reduction mechanism 5 is located in the cover 12, and the output end of the three-stage reduction mechanism 5 extends into the box 11, the secondary reduction mechanism 4 is located in the shell two 14, and the output end of the secondary reduction mechanism 4 extends into the cover 12, the primary reduction mechanism 3 is located in the shell one 13, and the output end of the primary reduction mechanism 3 extends into the shell two 14, the input shaft 2 is located in the rear cover 15, and the output end of the input shaft 2 extends into the shell one 13, and the output shaft 6 is above the input shaft 2.

[0040] In use, the motor inputs power to the input shaft 2 to make the input shaft 2 rotate, the input shaft 2 drives the primary reduction gear 32 to rotate (the primary reduction gear 32 rotates around its own axis), the primary reduction gear 32 rotates around the primary gear shaft 31 axis under the cooperation of the primary gear ring 33, thereby driving the primary gear shaft 31 to rotate, the primary gear shaft 31 drives the secondary reduction gear 42 to rotate (the secondary reduction gear 42 rotates around its own axis), the secondary reduction gear 32 rotates around the connecting shaft 42 axis under the cooperation of the secondary gear ring 43, thereby driving the connecting shaft 42 to rotate, the connecting shaft 42 drives the three-stage reduction gear one 51 to rotate, the three-stage reduction gear one 51 drives the three-stage reduction gear two 52 to rotate, the three-stage reduction gear two 52 drives the transmission shaft 54 installed thereon to rotate, the transmission shaft 54 drives the transmission gear one 53 to rotate, the transmission gear one 53 drives the transmission gear two 61 engaged therewith to rotate, and the transmission gear two 61 drives the output shaft 6 installed thereon to rotate, thereby achieving speed reduction output.

[0041] With the above ideal embodiment of the present application as the inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A speed reducer for lifting and lowering a battery in a battery swapping station, characterized in that, It includes a gearbox (1), an input shaft (2), a first-stage reduction mechanism (3), a second-stage reduction mechanism (4), a third-stage reduction mechanism (5), and an output shaft (6); The input shaft (2) and the gearbox (1) are rotatably connected. The output end of the input shaft (2) is driven to the input end of the first-stage reduction mechanism (3). The output end of the first-stage reduction mechanism (3) is driven to the input end of the second-stage reduction mechanism (4). The output end of the second-stage reduction mechanism (4) is driven to the input end of the third-stage reduction mechanism (5). The output end of the third-stage reduction mechanism (5) is driven to the output shaft (6). The first-stage reduction mechanism (3), the second-stage reduction mechanism (4) and the third-stage reduction mechanism (5) are arranged inside the gearbox (1). The output shaft (6) and the gearbox (1) are rotatably connected. The input ends of the input shaft (2), the first-stage reduction mechanism (3), the second-stage reduction mechanism (4) and the third-stage reduction mechanism (5) are arranged coaxially, while the input shaft (2) and the output shaft (6) are arranged off-axis.

2. The speed reducer for battery swapping at a battery swapping station as described in claim 1, characterized in that: The first-stage reduction mechanism (3) is arranged inside the reduction gearbox (1). The first-stage reduction mechanism (3) includes a first-stage gear shaft (31) and a first-stage reduction gear (32). A first-stage gear ring (33) matching the first-stage reduction gear (32) is formed on the inner wall of the reduction gearbox (1). The output end of the input shaft (2) meshes with the first-stage reduction gear (32). The first-stage reduction gear (32) is installed on the shaft end of the first-stage gear shaft (31), and the first-stage reduction gear (32) and the first-stage gear ring (33) mesh. The first-stage gear shaft (31) and the reduction gearbox (1) are connected in a transmission. The secondary reduction mechanism (4) is arranged inside the reduction gearbox (1). The secondary reduction mechanism (4) includes a connecting shaft (41) and a secondary reduction gear (42). A secondary gear ring (43) matching the secondary reduction gear (42) is formed on the inner wall of the reduction gearbox (1). The tooth end of the gear shaft meshes with the secondary reduction gear (42). The secondary reduction gear (42) is installed on the shaft end of the connecting shaft (41), and the secondary reduction gear (42) and the secondary gear ring (43) mesh. The connecting shaft (41) and the reduction gearbox (1) are rotatably connected. The three-stage reduction mechanism (5) includes a three-stage reduction gear one (51), a three-stage reduction gear two (52), a transmission gear one (53), and a transmission shaft (54). The three-stage reduction gear one (51) is sleeved on the connecting shaft (41). The transmission shaft (54) is connected to the reduction gearbox (1). The three-stage reduction gear two (52) is sleeved on the transmission shaft (54). The three-stage reduction gear one (51) and the three-stage reduction gear two (52) mesh. The transmission gear one (53) is sleeved on the transmission shaft (54). The output shaft (6) is fitted with a second transmission gear (61), and the first transmission gear (53) and the second transmission gear (61) mesh.

3. The speed reducer for battery swapping at a battery swapping station as described in claim 2, characterized in that: The first-stage gear shaft (31), connecting shaft (41) and transmission shaft (54) are arranged coaxially, the first-stage gear shaft (31) and the first-stage reduction gear (32) are arranged eccentrically, and the second-stage reduction gear (42) and the connecting shaft (41) are arranged eccentrically.

4. The speed reducer for battery swapping at a battery swapping station as described in claim 2, characterized in that: The diameter of the first three-stage reduction gear (51) is smaller than the diameter of the second three-stage reduction gear (52).

5. A speed reducer for battery swapping at a battery swapping station as described in claim 2, characterized in that: The three-stage reduction mechanism (5) includes a pressure cover (55), which is fixedly connected to a connecting shaft (41), and the first three-stage reduction gear (51) is located between the pressure cover (55) and the connecting shaft (41).

6. The speed reducer for battery swapping at a battery swapping station as described in claim 1, characterized in that: The input shaft (2) is provided with a locking device (21) for fixing the shaft of the motor.

7. The speed reducer for battery swapping at a battery swapping station as described in claim 1, characterized in that: The gearbox (1) includes a housing (11), a cover (12), a first housing (13), a second housing (14), and a rear cover (15). The housing (11) is located above the cover (12). The housing (11) and the cover (12) are fixedly connected. The right end of the second housing (14) is fixedly connected to the left end of the cover (12). The right end of the rear cover (15) is fixedly connected to the left end of the second housing (14). The right end of the first housing (13) is fixedly connected to the left end of the second housing (14). The left end of the first housing (13) and the rear cover (15) are fixedly connected. The output shaft (6) is arranged inside the housing (11), the three-stage reduction mechanism (5) is located inside the housing cover (12), and the output end of the three-stage reduction mechanism (5) extends into the housing (11), the two-stage reduction mechanism (4) is located inside the housing second (14), and the output end of the two-stage reduction mechanism (4) extends into the housing cover (12), the one-stage reduction mechanism (3) is located inside the housing first (13), and the output end of the one-stage reduction mechanism (3) extends into the housing second (14), the input shaft (2) is located inside the rear cover (15), and the output end of the input shaft (2) extends into the housing first (13).