Carrier driving assembly with protective structure

By introducing an elastic offset structure and a servo motor-driven cooling fan system into the drive assembly, the problems of traditional drive assemblies in the face of external impacts and uneven airflow are solved, achieving better protection and heat dissipation.

CN223590525UActive Publication Date: 2025-11-25长兴永烜机械有限公司
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Patent Information

Application Number
CN202520122922.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-11-25
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

Traditional drive assemblies are not good at counteracting the impact of external objects when faced with external impacts and reciprocating oscillations, and the uneven airflow for heat dissipation affects the protection and heat dissipation effect.

Method used

A transport vehicle drive assembly with a protective structure was designed. It adopts a protective plate and spring system that can elastically offset the impact of external objects. A servo motor-driven lead screw structure drives a cooling fan to perform close-range air blowing for heat dissipation. Combined with a stepper motor driving the cooling fan to swing left and right, it can achieve uniform air blowing.

Benefits of technology

It effectively counteracts the impact force of external objects, improving the protective effect, and improves the heat dissipation efficiency of the motor through uniform airflow.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223590525U_ABST
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Abstract

The utility model discloses a carrier driving assembly with a protective structure, which comprises an assembly box and integrated boxes, the integrated boxes are arranged at the upper end and the lower end of the assembly box, protective plates are arranged outside the integrated boxes, a plurality of groups of springs are arranged inside the integrated boxes at equal intervals, the protective plates are connected with the springs, and the protective plates are connected with the springs. A motor box is installed on the side wall of the assembly box, a driving motor is installed in the motor box, movable frames are symmetrically installed on the inner wall of the motor box, servo motors are installed at the top ends of the movable frames, lead screws are movably installed in the movable frames, and the output ends of the servo motors are connected with the lead screws. According to the utility model, the impact of an external object is conveniently and elastically counteracted, reciprocating swing and uniform blowing are realized, approaching type blowing heat dissipation on a motor is facilitated, the uniformity of blowing heat dissipation is increased, and the protection effect and the blowing heat dissipation effect are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to drive assembly technical field, concretely is a kind of trolley drive assembly with protective structure. BACKGROUND

[0002] Drive assembly is a core component in automobile transmission system, mainly responsible for transmitting the power generated by engine to driving wheel, so that automobile can travel, drive assembly includes multiple key components, such as engine, transmission, clutch, differential, drive shaft etc., they cooperate together, ensure normal operation of vehicle, the protective function of traditional drive assembly is poor, if it is subjected to external impact, it is easy to cause its damage, in order to improve the situation, therefore, a kind of trolley drive assembly with protective structure is presented.

[0003] As the authorized announcement No.CN221969372U discloses a kind of drive assembly for electric trolley, including cast iron body, the cast iron body two sides are respectively equipped with front end cover and connecting plate, the cast iron body and located connecting plate outside install polyurethane wheel, the connecting plate is installed with machine shell away from cast iron body side, the machine shell is installed with rear end cover away from connecting plate side;

[0004] Although it realizes the power mechanism that two-stage gear reduction is increased to wheel edge by motor, gives the power of electric trolley travel, thereby reducing cost by optimizing structure, to effectively solve the problem of high cost of motor machine shell in traditional drive assembly, simultaneously, the structure of bearing inner ring is made to the reduction gearbox body, so that motor shell can withstand the support force of large bearing, and cast iron body installs machine shell by connecting plate, realizes the segmented structure of device whole body;

[0005] But it does not solve the problem that existing drive assembly is not convenient for elastic compensation when in use External object impact and reciprocating swing uniform blowing, not conducive to the close type blowing heat dissipation of motor and increase the uniformity of blowing heat dissipation, affect the effect of protection and blowing heat dissipation effect. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of trolley drive assembly with protective structure, to solve the problem that drive assembly is not convenient for elastic compensation in the above background technique External object impact and reciprocating swing uniform blowing, not conducive to the close type blowing heat dissipation of motor and increase the uniformity of blowing heat dissipation, affect the effect of protection and blowing heat dissipation effect.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A carrying vehicle drive assembly with protection structure, including assembly box and integrated box, both ends of assembly box are installed integrated box, the outside of integrated box all is provided with fender, the inside of integrated box all is installed with multiple groups of springs of equal interval, and fender is connected with spring, the lateral wall of assembly box is installed with motor box, the inside of motor box is installed with drive motor, the inner wall of motor box is installed with moving frame symmetrically, the top of moving frame all is installed with servo motor, the inside of moving frame all is installed with screw rod swingingly, and the output of servo motor is connected with screw rod.

[0008] Preferably, the surface of the screw rod is sleeved with a threaded sleeve, and the threaded sleeve is threadedly connected with the screw rod.

[0009] Preferably, an integrated plate is arranged between the two groups of threaded sleeves, and the integrated plate is connected with the threaded sleeves.

[0010] Preferably, a stepping motor is installed at the bottom end of the integrated plate, a drive shaft is installed at the output end of the stepping motor, and a disc is sleeved on the surface of the drive shaft.

[0011] Preferably, limit posts are symmetrically installed at the top end of the integrated plate, and the limit posts are fixedly connected with the integrated plate.

[0012] Preferably, a swing rod is installed at the top end of the disc, a swing frame is arranged above the disc, and the swing rod is slidably connected with the swing frame.

[0013] Preferably, limit frames are symmetrically installed on the side wall of the swing frame, and the limit frames are slidably connected with the limit posts.

[0014] Preferably, a rack is installed on one side of the swing frame, a gear wheel is movably installed at the top end of the integrated plate on one side of the rack, and the gear wheel is meshed with the rack.

[0015] Preferably, a bearing frame is installed at the top end of the limit frame, and the bearing frame is fixedly connected with the limit frame.

[0016] Preferably, heat dissipation fans are symmetrically installed at the top end of the bearing frame, and the heat dissipation fans are fixedly connected with the bearing frame.

[0017] Compared with the prior art, the drive assembly not only realizes convenient elastic offset of external object impact and uniform blowing of reciprocating swing, facilitates close-range blowing heat dissipation of the motor and increases the uniformity of blowing heat dissipation, but also improves the protection effect and the blowing heat dissipation effect.

[0018] (1) in the process of using the carrier, if the external object hits the protective plate, the protective plate is moved by the external object, the spring is extruded by the protective plate, and the spring is elastically supported by the spring. The spring elastically offsets the force acting on the protective plate, thereby preventing the external object from directly hitting the assembly box and causing damage to the assembly box. At the same time, the transmission structure is arranged in the assembly box, the driving motor is provided with a power source by the driving motor on the side wall of the assembly box, the driving motor is protected by the motor box, heat is generated when the driving motor is working, at this time, the cooling fan is opened, the driving motor is blown and cooled by the cooling fan, the servo motor is opened, the screw rod is rotated by the servo motor, the integrated plate is moved upwards by the threaded sleeve, and the cooling fan is moved upwards and close to the driving motor by the integrated plate. The driving motor is better blown and cooled, the external object impact is elastically offset, the motor is close to the blowing and cooling, and the protection effect is improved;

[0019] (2) the disc is rotated by the stepping motor through the driving shaft, the swing rod is rotated by the disc, the swing frame and the limiting frame are moved left and right reciprocatingly by the swing rod, the cooling fan is moved left and right reciprocatingly by the limiting frame, and the cooling fan is moved left and right reciprocatingly by the cooling fan. The motor is left and right reciprocatingly swung and cooled by the cooling fan, the rack is moved by the swing frame, and the rack is provided with limiting support by the gear, so that the uniformity of blowing is improved, and the effect of blowing and cooling is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2 It is a three-dimensional perspective structure schematic diagram of the motor box of the utility model;

[0022] Figure 3 It is a side view cross-sectional structure schematic diagram of the motor box of the utility model;

[0023] Figure 4 It is a three-dimensional structure schematic diagram of the utility model's bearing frame;

[0024] Figure 5 It is a three-dimensional perspective structure schematic diagram of the integrated plate of the utility model.

[0025] In the drawing: 1, assembly box; 2, integrated box; 3, spring; 4, protective plate; 5, motor box; 6, driving motor; 7, integrated plate; 8, moving frame; 9, threaded sleeve; 10, servo motor; 11, screw rod; 12, stepping motor; 13, swing frame; 14, driving shaft; 15, swing rod; 16, disc; 17, limiting frame; 18, limiting column; 19, rack; 20, gear; 21, bearing frame; 22, cooling fan. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0028] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0029] Embodiment one

[0030] A carrying vehicle driving assembly with a protection structure comprises an assembly box 1 and an integrated box 2, the upper and lower ends of the assembly box 1 are both provided with the integrated box 2, the outside of the integrated box 2 is provided with a protection plate 4, the inside of the integrated box 2 is provided with multiple groups of springs 3 at equal intervals, the protection plate 4 is connected with the springs 3, a motor box 5 is installed on the side wall of the assembly box 1, a driving motor 6 is installed in the motor box 5, the driving motor 6 plays a role of power driving, a moving frame 8 is symmetrically installed on the inner wall of the motor box 5, a servo motor 10 is installed at the top end of the moving frame 8, the servo motor 10 plays a role of power driving, a lead screw 11 is movably installed in the moving frame 8, the output end of the servo motor 10 is connected with the lead screw 11, a threaded sleeve 9 is sleeved on the surface of the lead screw 11, the threaded sleeve 9 is threadedly connected with the lead screw 11, and an integrated plate 7 is arranged between the two groups of threaded sleeves 9, the integrated plate 7 is connected with the threaded sleeve 9;

[0031] When the trolley is in use, if an external object hits the protective plate 4, the protective plate 4 is moved by the external object, the spring 3 is extruded by the protective plate 4, and the force acting on the protective plate 4 is elastically offset by the spring 3 under the elastic support of the spring 3, so as to prevent the external object from directly hitting the assembly box 1 and causing damage to the assembly box 1. At the same time, the transmission structure is arranged in the assembly box 1, the driving motor 6 on the side wall of the assembly box 1 provides a power source, the motor box 5 protects the driving motor 6, and the driving motor 6 generates heat when working. At this time, the cooling fan 22 is opened to blow and cool the driving motor 6, the servo motor 10 is opened, the lead screw 11 is driven to rotate by the servo motor 10, the threaded sleeve 9 is connected with the lead screw 11 in a threaded manner, the integrated plate 7 is driven to move upwards by the threaded sleeve 9, the cooling fan 22 is driven to move upwards by the integrated plate 7 and is close to the driving motor 6, so as to better blow and cool the driving motor 6, and the effect of protection is improved.

[0032] The bottom end of the integrated plate 7 is provided with a stepping motor 12, the stepping motor 12 serves as a power driver, the output end of the stepping motor 12 is provided with a driving shaft 14, and the surface of the driving shaft 14 is provided with a disc 16.

[0033] The top end of the integrated plate 7 is symmetrically provided with a limiting column 18, the limiting column 18 is fixedly connected with the integrated plate 7, the top end of the disc 16 is provided with a swing rod 15, and the upper side of the disc 16 is provided with a swing frame 13, and the swing rod 15 is slidably connected with the swing frame 13.

[0034] The side wall of the swing frame 13 is symmetrically provided with a limiting frame 17, the limiting frame 17 is slidably connected with the limiting column 18, one side of the swing frame 13 is provided with a rack 19, the top end of the integrated plate 7 on one side of the rack 19 is movably provided with a gear 20, and the gear 20 is meshed with the rack 19.

[0035] The top end of the limiting frame 17 is provided with a bearing frame 21, the bearing frame 21 is fixedly connected with the limiting frame 17, the top end of the bearing frame 21 is symmetrically provided with a cooling fan 22, and the cooling fan 22 is fixedly connected with the bearing frame 21.

[0036] The opening step motor 12 drives the disc 16 through the driving shaft 14, and the disc 16 drives the swing rod 15 to rotate, and the swing rod 15 drives the swing frame 13 and the limiting frame 17 to move back and forth left and right under the sliding cooperation of the limiting column 18 and the limiting frame 17 and the swing frame 13, and the limiting frame 17 drives the cooling fan 22 to move back and forth left and right, so that the cooling fan 22 swings back and forth left and right to blow and cool the motor, and the swing frame 13 drives the rack 19 to move, and the gear 20 provides limiting support for the rack 19 to improve the uniformity of blowing, thereby improving the effect of blowing and cooling.

[0037] Working steps

[0038] In the use process of the carrier, if an external object hits the protective plate 4, the protective plate 4 is driven to move by the external object, and the spring 3 is compressed by the protective plate 4, and the spring 3 elastically offsets the force acting on the protective plate 4 under the elastic support of the spring 3, thereby preventing the external object from directly hitting the assembly box 1 and damaging the assembly box 1. At the same time, the transmission structure is arranged in the assembly box 1, the driving motor 6 on the side wall of the assembly box 1 provides power, the motor box 5 protects the driving motor 6, and the driving motor 6 generates heat when working. At this time, the cooling fan 22 is opened, the cooling fan 22 blows and cools the driving motor 6, the servo motor 10 drives the lead screw 11 to rotate, the lead screw 11 drives the integrated plate 7 to move upward through the threaded sleeve 9, the integrated plate 7 drives the cooling fan 22 to move upward and make the cooling fan 22 close to the driving motor 6, thereby better blowing and cooling the driving motor 6. The step motor 12 drives the disc 16 through the driving shaft 14, the disc 16 drives the swing rod 15 to rotate, the swing rod 15 drives the swing frame 13 and the limiting frame 17 to move back and forth left and right, the limiting frame 17 drives the cooling fan 22 to move back and forth left and right, so that the cooling fan 22 swings back and forth left and right to blow and cool the motor, the swing frame 13 drives the rack 19 to move, and the gear 20 provides limiting support for the rack 19 to improve the uniformity of blowing, thereby improving the effect of blowing and cooling. The above is the whole use content of the carrier driving assembly with the protection structure.

[0039] The above only describes the preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A transport vehicle drive assembly with a protective structure, comprising an assembly housing (1) and an integrated housing (2), characterized in that: The assembly box (1) has an integrated box (2) installed at both the top and bottom. The integrated box (2) is equipped with a protective plate (4) on its exterior. The integrated box (2) is equipped with multiple sets of springs (3) at equal intervals inside. The protective plate (4) is connected to the spring (3). The assembly box (1) has a motor box (5) installed on its side wall. The motor box (5) has a drive motor (6) installed inside. The motor box (5) has a moving frame (8) symmetrically installed on its inner wall. The moving frame (8) has a servo motor (10) installed at its top. The moving frame (8) has a lead screw (11) movably installed inside. The output end of the servo motor (10) is connected to the lead screw (11).

2. The transport vehicle drive assembly with a protective structure according to claim 1, characterized in that: The surface of the lead screw (11) is fitted with a threaded sleeve (9), and the threaded sleeve (9) is threadedly connected to the lead screw (11).

3. The transport vehicle drive assembly with a protective structure according to claim 1, characterized in that: An integrated plate (7) is provided between the two sets of threaded sleeves (9), and the integrated plate (7) is connected to the threaded sleeves (9).

4. The transport vehicle drive assembly with a protective structure according to claim 3, characterized in that: A stepper motor (12) is installed at the bottom of the integrated board (7), and a drive shaft (14) is installed at the output end of the stepper motor (12), and a disc (16) is fitted on the surface of the drive shaft (14).

5. A transport vehicle drive assembly with a protective structure according to claim 3, characterized in that: Limiting posts (18) are symmetrically installed at the top of the integrated plate (7), and the limiting posts (18) are fixedly connected to the integrated plate (7).

6. A transport vehicle drive assembly with a protective structure according to claim 4, characterized in that: A swing rod (15) is installed at the top of the disc (16), and a swing frame (13) is provided above the disc (16), and the swing rod (15) and the swing frame (13) are slidably connected.

7. A transport vehicle drive assembly with a protective structure according to claim 6, characterized in that: Limiting frames (17) are symmetrically installed on the side wall of the swing frame (13), and the limiting frames (17) are slidably connected to the limiting posts (18).

8. A transport vehicle drive assembly with a protective structure according to claim 6, characterized in that: A rack (19) is installed on one side of the swing frame (13), and a gear (20) is movably installed on the top of the integrated plate (7) on one side of the rack (19), and the gear (20) meshes with the rack (19).

9. A transport vehicle drive assembly with a protective structure according to claim 7, characterized in that: The top of the limiting frame (17) is equipped with a support frame (21), and the support frame (21) is fixedly connected to the limiting frame (17).

10. A transport vehicle drive assembly with a protective structure according to claim 9, characterized in that: The top of the support frame (21) is symmetrically equipped with cooling fans (22), and the cooling fans (22) are fixedly connected to the support frame (21).

Citation Information

Patent Citations

  • Driving assembly for electric carrier

    CN221969372U