Driving assembly of electric carrier

Abstract

The utility model relates to the technical field of electric carrier driving assemblies, and discloses an electric carrier driving assembly which comprises a wheel carrier, the right side of the wheel carrier is fixedly connected with a driving motor, the left side of the wheel carrier is fixedly connected with a transmission, and the input end of the transmission and the output end of the driving motor are both fixedly connected with a first rotating shaft. Through the cooperation of the locking support, the traction frame and the electric push rod, the electric push rod can control the locking cylinder on the locking support to move left and right, meanwhile, when the locking cylinder makes contact with the cylinder, the driving wheel is fixed to the wheel frame through the cooperation of the locking cylinder and the cylinder, and through the cooperation of the gear and the gear ring, the driving wheel is driven to move left and right. The transmission can drive the driving wheel to rotate, and after the locking cylinder is separated from the cylinder, the driving wheel can be directly detached from the wheel carrier, so that the driving wheel on the driving assembly is more convenient to disassemble and assemble, and maintenance personnel can conveniently maintain or replace the driving wheel.

Description

Technical Field

[0001] The utility model relates to the technical field of electric transport vehicle drive assemblies, in particular to an electric transport vehicle drive assembly. Background Art

[0002] Electric transport trucks have the characteristics of small turning radius and easy operation. With the continuous expansion of the application field of electric transport trucks, electric transport trucks have been adopted by most users as medium and long-distance material transfer equipment. They are widely used in logistics warehousing, workshops, freight yards, shops, supermarkets and other places.

[0003] At present, the driving assembly of an electric transport truck is mainly composed of a wheel frame, a driving motor, a transmission and a driving wheel, wherein the driving wheel is driven to rotate by the cooperation of the driving motor and the transmission. For example, a transport truck driving unit assembly disclosed in Chinese Patent Publication No. CN216200328U is disclosed. However, since the driving wheel on the driving assembly is more troublesome to disassemble and assemble, it is more troublesome for maintenance personnel to repair or replace the driving wheel on the driving assembly. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: at present, the driving assembly of an electric transport vehicle is mainly composed of a wheel frame, a driving motor, a transmission and a driving wheel, wherein the driving wheel is driven to rotate by the cooperation of the driving motor and the transmission, but the driving wheel on the driving assembly is more troublesome to disassemble and assemble, which leads to the maintenance personnel being more troublesome to repair or replace the driving wheel on the driving assembly, and an electric transport vehicle driving assembly is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The electric transport vehicle driving assembly comprises a wheel frame, the right side of the wheel frame is fixedly connected with a driving motor, the left side of the wheel frame is fixedly connected with a transmission, the input end of the transmission and the output end of the driving motor are fixedly connected with a first rotating shaft, the surface of the first rotating shaft and the inner wall of the wheel frame are fixedly connected with a first bearing, the output end of the transmission is fixedly connected with a second rotating shaft, the surface of the second rotating shaft and the inner wall of the wheel frame are fixedly connected with a second bearing, the surface of the second rotating shaft is fixedly connected with a gear, the front and rear sides of the wheel frame are fixedly connected with a locking bracket, the upper surface of the locking bracket is fixedly connected with a traction frame, the bottom of the traction frame and the left and right sides of the wheel frame are fixedly connected with an electric push rod, the left and right sides of the wheel frame are provided with sliding holes, the inner wall of the sliding hole contacts the surface of the locking bracket, the surface of the locking bracket and the left and right sides of the inner wall of the wheel frame are fitted with a cylinder, the surface of the cylinder is fixedly connected with a fifth bearing, the surface of the fifth bearing is fixedly connected with a driving wheel, and the left side of the driving wheel is fixedly connected with a gear ring, and the gear ring is meshed with the gear.

[0007] Preferably, the locking bracket includes a sliding sleeve, the front and rear sides of the wheel frame are fixedly connected to the surface of the sliding sleeve, the inner wall of the sliding sleeve is fitted with a U-shaped plate, the inner wall of the U-shaped plate is fixedly connected to a locking cylinder, the inner wall of the cylinder and the inner wall of the sliding hole are both in contact with the surface of the locking cylinder, and the side of the U-shaped plate and the bottom of the traction frame are fixedly connected with connecting blocks.

[0008] Preferably, the traction frame includes a hollow square column, the bottom of which is fixedly connected to the upper surface of the electric push rod, the inner wall of the hollow square column is fixedly connected to a supporting cylinder, the surface of the supporting cylinder is fixedly connected to a third bearing, the surface of the third bearing is fixedly connected to a connecting rod, the inner wall of the connecting rod is fixedly connected to a fourth bearing, and the inner wall of the fourth bearing and the upper surface of the connecting block are both fixedly connected to a U-shaped column.

[0009] Preferably, the maximum distance between the hollow square column and the U-shaped plate is smaller than the length of the connecting rod.

[0010] Preferably, a threaded column is fixedly connected to the front side of the wheel frame, a nut is threadedly connected to the surface of the threaded column, a first rubber wheel is fixedly connected to the surface of the first rotating shaft, and a cleaning brush is fitted on the upper surface of the driving wheel, the bottom of the first rubber wheel, the front side of the wheel frame, the surface of the threaded column and the back side of the nut.

[0011] Preferably, the cleaning brush includes a third rotating shaft, a sixth bearing is fixedly connected to the surface of the third rotating shaft, a connecting plate is fixedly connected to the surface of the sixth bearing, a hollow plate is fixedly connected to the side of the connecting plate, the front and rear sides of the hollow plate are respectively in contact with the front side of the wheel frame and the back side of the nut, a roller brush is fixedly connected to the surface of the third rotating shaft, the bottom of the roller brush is in contact with the upper surface of the driving wheel, and a second rubber wheel is fixedly connected to the surface of the third rotating shaft, and the upper surface of the second rubber wheel is in contact with the bottom of the first rubber wheel.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model uses the cooperation of the locking bracket, the traction frame and the electric push rod to enable the electric push rod to control the locking cylinder on the locking bracket to move left and right. At the same time, when the locking cylinder contacts the cylinder, the driving wheel is fixed to the wheel frame through the cooperation of the locking cylinder and the cylinder, and the transmission can drive the driving wheel to rotate through the cooperation of the gear and the gear ring. When the locking cylinder is separated from the cylinder, the driving wheel can be directly removed from the wheel frame, thereby making it easier to disassemble and assemble the driving wheel on the drive assembly, thereby facilitating maintenance personnel to repair or replace the driving wheel.

[0014] (2) The utility model can fix the cleaning brush on the wheel frame through the cooperation of the threaded column and the nut. At the same time, when the cleaning brush is fixed on the wheel frame, the friction between the first rubber wheel and the second rubber wheel enables the driving motor to drive the roller brush on the cleaning brush to rotate. At this time, the surface of the driving wheel can be cleaned by the roller brush. Then, through the cooperation of the threaded column, the nut, the first rubber wheel and the cleaning brush, the driving assembly has the function of automatically cleaning the driving wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a front view of the structure of the utility model;

[0017] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 It is a right side view of the wheel frame of the utility model;

[0019] Figure 5 It is a left view of the wheel frame in the utility model;

[0020] Figure 6 It is a top view of the locking bracket in the utility model;

[0021] Figure 7It is a front view of the traction frame in the utility model;

[0022] Figure 8 It is a left side view of the driving wheel in the utility model;

[0023] Fig. 9 It is a front view of the cleaning brush in the utility model;

[0024] Fig.10 for Fig. 9 Cross-sectional view at BB in the middle.

[0025] In the figure: 1, wheel frame; 2, driving motor; 3, transmission; 4, first rotating shaft; 5, first bearing; 6, second rotating shaft; 7, second bearing; 8, gear; 9, locking bracket; 91, sliding sleeve; 92, U-shaped plate; 93, locking cylinder; 94, connecting block; 10, traction frame; 101, hollow square column; 102, supporting cylinder; 103, third bearing; 104, connecting rod; 105, fourth bearing; 106, U-shaped column; 11, electric push rod; 12, sliding hole; 13, cylinder; 14, fifth bearing; 15, driving wheel; 16, gear ring; 17, threaded column; 18, nut; 19, first rubber wheel; 20, cleaning brush; 201, third rotating shaft; 202, sixth bearing; 203, connecting plate; 204, hollow plate; 205, roller brush; 206, second rubber wheel. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0028] Embodiment 1:

[0029] Reference Figure 1-8The electric transport vehicle drive assembly includes a wheel frame 1, a drive motor 2 is fixedly connected to the right side of the wheel frame 1, a transmission 3 is fixedly connected to the left side of the wheel frame 1, an input end of the transmission 3 and an output end of the drive motor 2 are fixedly connected to a first shaft 4, a surface of the first shaft 4 and an inner wall of the wheel frame 1 are fixedly connected to a first bearing 5, an output end of the transmission 3 is fixedly connected to a second shaft 6, a surface of the second shaft 6 and an inner wall of the wheel frame 1 are fixedly connected to a second bearing 7, a surface of the second shaft 6 is fixedly connected to a gear 8, the drive motor 2 can drive the gear 8 to rotate through the transmission 3, and the speed of the gear 8 can be changed through the transmission 3, and a locking bracket 9 is fixedly connected to the front and rear sides of the wheel frame 1, and the locking bracket A traction frame 10 is fixedly connected to the upper surface of the frame 9, and an electric push rod 11 is fixedly connected to the bottom of the traction frame 10 and the left and right sides of the wheel frame 1. The traction frame 10 is controlled to move up and down by the electric push rod 11. Slide holes 12 are opened on the left and right sides of the wheel frame 1. The inner wall of the slide hole 12 contacts the surface of the locking bracket 9. The surface of the locking bracket 9 and the left and right sides of the inner wall of the wheel frame 1 are fitted with a cylinder 13. The surface of the cylinder 13 is fixedly connected to the fifth bearing 14, and the surface of the fifth bearing 14 is fixedly connected to the driving wheel 15. The left side of the driving wheel 15 is fixedly connected to a gear ring 16, which meshes with the gear 8. Through the cooperation of the gear 8 and the gear ring 16, the driving motor 2 can drive the driving wheel 15 to rotate.

[0030] The locking bracket 9 includes a sleeve 91, and the front and rear sides of the wheel frame 1 are fixedly connected to the surface of the sleeve 91. A U-shaped plate 92 is fitted on the inner wall of the sleeve 91, and the U-shaped plate 92 can only move left and right through the sleeve 91. A locking cylinder 93 is fixedly connected to the inner wall of the U-shaped plate 92. The inner wall of the cylinder 13 and the inner wall of the sliding hole 12 are both in contact with the surface of the locking cylinder 93. When the locking cylinder 93 is in contact with the cylinder 13, the driving wheel 15 is fixed to the wheel frame 1 through the cooperation of the locking cylinder 93 and the cylinder 13, and the transmission 3 can drive the driving wheel 15 to rotate through the cooperation of the gear 8 and the gear ring 16. When the locking cylinder 93 is separated from the cylinder 13, the driving wheel 15 can be directly removed from the wheel frame 1, and the side of the U-shaped plate 92 and the bottom of the traction frame 10 are fixedly connected with a connecting block 94.

[0031] The traction frame 10 includes a hollow square column 101, the bottom of the hollow square column 101 is fixedly connected to the upper surface of the electric push rod 11, the inner wall of the hollow square column 101 is fixedly connected to a supporting cylinder 102, the surface of the supporting cylinder 102 is fixedly connected to a third bearing 103, the surface of the third bearing 103 is fixedly connected to a connecting rod 104, the inner wall of the connecting rod 104 is fixedly connected to a fourth bearing 105, the inner wall of the fourth bearing 105 and the upper surface of the connecting block 94 are both fixedly connected to a U-shaped column 106, the maximum distance between the hollow square column 101 and the U-shaped plate 92 is less than the length of the connecting rod 104, when the hollow square column 101 moves upward, the thrust applied by the connecting rod 104 to the connecting block 94 separates the locking cylinder 93 from the cylinder 13, and when the hollow square column 101 moves downward, the pulling force applied by the connecting rod 104 to the connecting block 94 causes the locking cylinder 93 to be inserted into the cylinder 13.

[0032] Embodiment 2:

[0033] Reference Figure 1-10 A threaded column 17 is fixedly connected to the front of the wheel frame 1, a nut 18 is threadedly connected to the surface of the threaded column 17, a first rubber wheel 19 is fixedly connected to the surface of the first rotating shaft 4, and a cleaning brush 20 is fitted on the upper surface of the driving wheel 15, the bottom of the first rubber wheel 19, the front of the wheel frame 1, the surface of the threaded column 17 and the back of the nut 18. The cleaning brush 20 can be fixed on the wheel frame 1 through the cooperation of the threaded column 17 and the nut 18.

[0034] The cleaning brush 20 includes a third rotating shaft 201, a sixth bearing 202 is fixedly connected to the surface of the third rotating shaft 201, a connecting plate 203 is fixedly connected to the surface of the sixth bearing 202, a hollow plate 204 is fixedly connected to the side of the connecting plate 203, and the front and rear sides of the hollow plate 204 are respectively in contact with the front side of the wheel frame 1 and the back side of the nut 18, a roller brush 205 is fixedly connected to the surface of the third rotating shaft 201, and the bottom of the roller brush 205 is in contact with the upper surface of the driving wheel 15, and the surface of the third rotating shaft 201 is fixedly connected to the second rubber Wheel 206, the upper surface of the second rubber wheel 206 contacts the bottom of the first rubber wheel 19. When the cleaning brush 20 is fixed on the wheel frame 1, the friction between the first rubber wheel 19 and the second rubber wheel 206 enables the driving motor 2 to drive the roller brush 205 on the cleaning brush 20 to rotate. At this time, the surface of the driving wheel 15 can be cleaned by the roller brush 205, and then the threaded column 17, the nut 18, the first rubber wheel 19 and the cleaning brush 20 cooperate to enable the driving assembly to automatically clean the driving wheel 15.

[0035] In the present invention, when the user removes the driving wheel 15, the user first moves the hollow square column 101 downward through the electric push rod 11, and moves the locking cylinder 93 out of the cylinder 13 through the cooperation of the traction frame 10 and the locking bracket 9. At this time, the driving wheel 15 can be separated from the wheel frame 1. When the driving wheel 15 needs to be installed, the driving wheel 15 is first placed in the wheel frame 1, and the cylinder 13 is aligned with the sliding hole 12. Then, the hollow square column 101 is moved upward through the electric push rod 11, and the locking cylinder 93 is moved out of the cylinder 13 through the traction frame 10 and the locking bracket 9. The traction frame 10 and the locking bracket 9 cooperate to insert the locking cylinder 93 into the cylinder 13. At this time, the driving wheel 15 is fixed on the wheel frame 1 through the cooperation between the locking cylinder 93 and the cylinder 13. When the driving assembly is in use, the speed change structure in the transmission 3 is rotated through the driving motor 2 and the first shaft 4, and then the second shaft 6 is rotated through the speed change structure in the transmission 3. At this time, the second rotation can drive the driving wheel 15 to rotate through the cooperation between the gear 8 and the gear ring 16.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. An electric transport vehicle drive assembly, comprising a wheel frame (1), characterized in that: The right side of the wheel frame (1) is fixedly connected to a driving motor (2), the left side of the wheel frame (1) is fixedly connected to a transmission (3), the input end of the transmission (3) and the output end of the driving motor (2) are both fixedly connected to a first rotating shaft (4), the surface of the first rotating shaft (4) and the inner wall of the wheel frame (1) are both fixedly connected to a first bearing (5), the output end of the transmission (3) is fixedly connected to a second rotating shaft (6), the surface of the second rotating shaft (6) and the inner wall of the wheel frame (1) are both fixedly connected to a second bearing (7), the surface of the second rotating shaft (6) is fixedly connected to a gear (8), the front and rear sides of the wheel frame (1) are both fixedly connected to locking brackets (9), the locking brackets (9 ) is fixedly connected to the upper surface of the wheel frame (1), the bottom of the wheel frame (10) and the left and right sides of the wheel frame (1) are fixedly connected to electric push rods (11), the left and right sides of the wheel frame (1) are provided with sliding holes (12), the inner walls of the sliding holes (12) are in contact with the surface of the locking bracket (9), the surface of the locking bracket (9) and the left and right sides of the inner wall of the wheel frame (1) are fitted with cylinders (13), the surface of the cylinder (13) is fixedly connected to a fifth bearing (14), the surface of the fifth bearing (14) is fixedly connected to a driving wheel (15), the left side of the driving wheel (15) is fixedly connected to a gear ring (16), and the gear ring (16) is meshed with the gear (8).

2. The electric transport vehicle drive assembly according to claim 1, characterized in that: The locking bracket (9) comprises a sliding sleeve (91), the front and rear sides of the wheel frame (1) are fixedly connected to the surface of the sliding sleeve (91), the inner wall of the sliding sleeve (91) is fitted with a U-shaped plate (92), the inner wall of the U-shaped plate (92) is fixedly connected to a locking cylinder (93), the inner wall of the cylinder (13) and the inner wall of the sliding hole (12) are both in contact with the surface of the locking cylinder (93), and the side of the U-shaped plate (92) and the bottom of the traction frame (10) are fixedly connected to a connecting block (94).

3. The electric transport vehicle drive assembly according to claim 2, characterized in that: The traction frame (10) comprises a hollow square column (101), the bottom of the hollow square column (101) is fixedly connected to the upper surface of the electric push rod (11), the inner wall of the hollow square column (101) is fixedly connected to a supporting cylinder (102), the surface of the supporting cylinder (102) is fixedly connected to a third bearing (103), the surface of the third bearing (103) is fixedly connected to a connecting rod (104), the inner wall of the connecting rod (104) is fixedly connected to a fourth bearing (105), and the inner wall of the fourth bearing (105) and the upper surface of the connecting block (94) are both fixedly connected to a U-shaped column (106).

4. The electric transport vehicle drive assembly according to claim 3, characterized in that: The maximum distance between the hollow square column (101) and the U-shaped plate (92) is smaller than the length of the connecting rod (104).

5. The electric transport vehicle drive assembly according to claim 1, characterized in that: The front side of the wheel frame (1) is fixedly connected with a threaded column (17), the surface of the threaded column (17) is threadedly connected with a nut (18), the surface of the first rotating shaft (4) is fixedly connected with a first rubber wheel (19), and the upper surface of the driving wheel (15), the bottom of the first rubber wheel (19), the front side of the wheel frame (1), the surface of the threaded column (17) and the back side of the nut (18) are all fitted with a cleaning brush (20).

6. The electric transport vehicle drive assembly according to claim 5, characterized in that: The cleaning brush (20) comprises a third rotating shaft (201), a sixth bearing (202) is fixedly connected to the surface of the third rotating shaft (201), a connecting plate (203) is fixedly connected to the surface of the sixth bearing (202), a hollow plate (204) is fixedly connected to the side of the connecting plate (203), the front and rear sides of the hollow plate (204) are respectively in contact with the front side of the wheel frame (1) and the back side of the nut (18), a roller brush (205) is fixedly connected to the surface of the third rotating shaft (201), the bottom of the roller brush (205) is in contact with the upper surface of the driving wheel (15), and a second rubber wheel (206) is fixedly connected to the surface of the third rotating shaft (201), the upper surface of the second rubber wheel (206) is in contact with the bottom of the first rubber wheel (19).

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