Cylindrical battery transport straps

Abstract

The present application relates to the field of battery testing technology, and provides a cylindrical battery transport strap, which is arranged at a cylindrical battery testing station, and includes: a frame; a power assembly, which is connected to the frame; a plurality of transport jigs, which are used to load cylindrical batteries, and the transport jigs are adapted to the cylindrical batteries, and a plurality of transport jigs are connected to the power assembly at intervals; wherein the power assembly is used to drive a plurality of transport jigs to move from one end of the frame to the other end, and the cylindrical batteries pass through the cylindrical battery testing station in sequence under the drive of the transport jigs. In the present application, a plurality of transport jigs are connected to the power assembly at intervals, and a plurality of cylindrical batteries can be driven to pass through the cylindrical battery testing station at the same time, which helps to improve the testing efficiency of the cylindrical batteries; no robot gripping is required during testing, which can reduce the risk of damage to the cylindrical batteries.

Description

Technical Field

[0001] The invention relates to the technical field of battery detection, and in particular to a cylindrical battery transport strap. Background Art

[0002] Cylindrical batteries are energy storage components in electric vehicles, and the performance of cylindrical batteries is one of the important factors affecting the performance of electric vehicles. In order to ensure the quality and safety of cylindrical batteries and the performance of electric vehicles, it is usually necessary to conduct surface inspections on cylindrical batteries during the production process to avoid potential threats to the safety of electric vehicles from unqualified cylindrical batteries with defects and damage on the surface.

[0003] In the related art, when inspecting the surface of cylindrical batteries for defects, a robot is usually used to clamp the cylindrical batteries and pass through various inspection processes in sequence to achieve surface inspection of the cylindrical batteries. When the robot clamps the batteries, it is easy to damage the cylindrical batteries, and the number of cylindrical batteries clamped each time is limited, resulting in low inspection efficiency. Summary of the invention

[0004] The purpose of the embodiments of the present application is to provide a cylindrical battery transport strap to solve the technical problem of low cylindrical battery detection efficiency in the prior art.

[0005] To achieve the above purpose, the technical solution adopted in this application is: to provide a cylindrical battery transport pull belt, which is arranged at a cylindrical battery inspection station, including:

[0006] frame;

[0007] A power assembly, the power assembly is connected to the frame;

[0008] A plurality of transport jigs, the transport jigs are used to load cylindrical batteries, the transport jigs are adapted to the cylindrical batteries, and the plurality of transport jigs are connected to the power assembly at intervals;

[0009] Among them, the power component is used to drive multiple transport jigs to move from one end of the frame to the other end, and the cylindrical batteries are driven by the transport jigs to pass through the cylindrical battery inspection stations in sequence.

[0010] The cylindrical battery transport belt provided in the embodiment of the present application has multiple transport jigs connected to the power assembly at intervals, which can simultaneously drive multiple cylindrical batteries through the cylindrical battery inspection station, helping to improve the inspection efficiency of the cylindrical batteries; because the transport belt is movable as a whole, the cylindrical batteries pass through the inspection station in turn on the transport jig, and there is no need for a robot to clamp them, which can reduce the risk of damage to the cylindrical batteries; the transport jig is compatible with the cylindrical batteries, which can effectively maintain the stability of the cylindrical batteries during transportation, avoiding damage or quality problems caused by unstable transportation.

[0011] In some embodiments, the transport jig includes a connecting portion and a loading portion disposed on the connecting portion, the connecting portion is connected to the power assembly, and the loading portion is used to load the cylindrical battery.

[0012] By adopting the above technical solution, the connecting part is connected to the power assembly, which can ensure the stability and reliability of the transport fixture during the movement; the loading part is used to load cylindrical batteries, and its shape and size match the cylindrical batteries, which can effectively fix the cylindrical batteries to prevent displacement or tilting during transportation, and can further ensure that the cylindrical batteries remain stable during the entire transportation process, avoiding damage or quality problems caused by improper transportation.

[0013] In some embodiments, the loading portion includes two supporting sub-portions, and the two supporting sub-portions are symmetrically connected to two ends of the connecting portion.

[0014] By adopting the above technical solution, the two supporting sub-parts are symmetrically connected to the two ends of the connecting part, so that the loading part can provide more balanced support and stability. When the cylindrical battery is on the loading part, the weight will be evenly distributed on the two supporting sub-parts to prevent tilting or imbalance caused by unstable center of gravity, thereby ensuring the stability of the cylindrical battery during transportation.

[0015] In some embodiments, the two supporting sub-portions are arranged at an angle.

[0016] By adopting the above technical solution, the two supporting sub-parts are arranged at an angle, so that the loading part can better adapt to the shape of the cylindrical battery and make it more tightly fixed on the loading part, thereby preventing the cylindrical battery from shaking or shifting during transportation, which helps to improve the loading part's ability to firmly support the cylindrical battery; in addition, the two supporting sub-parts are arranged at an angle to effectively reduce vibration during transportation. When the cylindrical battery is fixed on the supporting sub-parts set at an angle, the angle formed between the supporting sub-parts can reduce the impact of vibration and bumps during transportation, thereby protecting the cylindrical battery from unnecessary vibration and impact.

[0017] In some embodiments, the angle between the two supporting sub-portions is 70° to 90°.

[0018] By adopting the above technical solution, the design within the angle range allows a relatively wide supporting surface to be formed between the supporting sub-parts, which can better fit the shape of the cylindrical battery, thereby providing more stable support and preventing the cylindrical battery from shaking or shifting during transportation, so that the cylindrical battery is more firmly fixed on the supporting sub-part, not easy to loosen or swing, thereby ensuring the safety of the cylindrical battery during transportation.

[0019] In some embodiments, the two supporting sub-sections are tangentially connected to the connecting section.

[0020] By adopting the above technical solution, the supporting sub-part and the connecting part are connected tangentially, making the loading part more compact and stable as a whole. There is no obvious gap or protrusion between the supporting sub-part and the connecting part, which can effectively prevent loosening or displacement during transportation and ensure stable support of the cylindrical battery.

[0021] In some embodiments, the coefficient of friction of the transport jig is 0.2 to 0.3.

[0022] By adopting the above technical solution, the friction coefficient of the transport jig is 0.2 to 0.3, which can more effectively prevent the cylindrical battery from sliding or shifting during transportation, maintain its stability, and reduce the wear of the transport jig on the surface of the cylindrical battery.

[0023] In some embodiments, the power assembly includes a motor and a transmission member connected to an output end of the motor, and the transport fixture is connected to the transmission member.

[0024] By adopting the above technical solution, the transport jig can obtain sufficient power to move or manipulate through the transmission part connected to the motor, thereby realizing the transportation of the cylindrical battery; the transmission part is connected to the output end of the motor, which can realize precise control of the transport jig, thereby realizing precise control of the position of the cylindrical battery in the inspection station, which helps to improve the accuracy of cylindrical battery inspection.

[0025] In some embodiments, the transmission member includes a synchronous wheel and a synchronous belt matched with the synchronous wheel, and the transport fixture is connected to the synchronous belt.

[0026] By adopting the above technical solution, the design between the synchronous belt and the synchronous wheel can achieve precise transmission, and the synchronous belt can evenly distribute power, reduce vibration and instability caused by uneven power transmission, thereby ensuring stability and reliability during transportation.

[0027] In some embodiments, the motor is a servo motor, and the synchronous wheel is connected to the output end of the servo motor.

[0028] By adopting the above technical solution, the servo motor can achieve precise positioning and control of the transport fixture, and cooperate with the transmission of the synchronous wheel and the synchronous belt to help further accurately control the position of the cylindrical battery and improve the detection accuracy of the cylindrical battery.

[0029] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or related technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 It is a schematic diagram of the structure of a transport strap provided in one embodiment of the present application;

[0032] Figure 2 This is a schematic diagram of the structure of a transport jig loaded with cylindrical batteries provided in one embodiment of the present application;

[0033] Figure 3 is a structural schematic diagram of a transport jig loaded with cylindrical batteries provided by another embodiment of the present application;

[0034] Figure 4 It is a structural schematic diagram of a transport jig provided in one embodiment of the present application;

[0035] Figure 5 It is a schematic diagram of the side structure of a transport jig loaded with cylindrical batteries provided in one embodiment of the present application;

[0036] Among them, the figure marks in the figure are: 100. transport pull belt; 10. frame; 20. power assembly; 21. motor; 22. transmission member; 221. synchronous wheel; 222. synchronous belt; 30. transport fixture; 31. connecting part; 32. loading part; 321. supporting sub-part; 200. cylindrical battery. DETAILED DESCRIPTION

[0037] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0038] In the description of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0040] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0041] See also Figure 1 The embodiment of the present application proposes a cylindrical battery transport strap 100, which is arranged at a cylindrical battery inspection station and includes a frame 10, a power assembly 20 and a plurality of transport jigs 30.

[0042] The rack 10 is a structure such as a bracket or a frame, and is used to provide stable support for the power assembly 20 .

[0043] A cylindrical battery inspection station is provided between the two ends of the frame 10. The cylindrical battery inspection station is used to inspect the surface of the cylindrical battery, including an end surface inspection station, a side surface inspection station, and the like.

[0044] The power assembly 20 is connected to the frame 10 .

[0045] The power assembly 20 is the power output part of the cylindrical battery transport pull belt 100. The power assembly 20 is fixedly connected to the frame 10.

[0046] The power assembly 20 may include a gear rack, and drive the transport fixture 30 to move through a chain drive.

[0047] The power assembly 20 may also include a ball screw, which drives the transport fixture 30 to move.

[0048] A plurality of transport jigs 30 are provided, and the transport jigs 30 are used to load cylindrical batteries. The transport jigs 30 are adapted to the cylindrical batteries, and the plurality of transport jigs 30 are connected to the power assembly 20 at intervals.

[0049] A plurality of transport jigs 30 are evenly spaced and fixedly connected to the power assembly 20. For example, the transport jigs 30 are fastened to the power assembly 20 by bolts. For example, the transport jigs 30 are fixedly connected to the power assembly 20 by welding, bonding, or the like.

[0050] The shape and size of the transport jig 30 are compatible with the shape and size of the cylindrical battery. For example, the cylindrical battery is cylindrical, and the transport jig 30 is provided with an arc structure compatible with the cylindrical shape.

[0051] Alternatively, if Figure 2 As shown, the length of the transport jig 30 can be smaller than the length of the cylindrical battery. The cylindrical battery is placed on the transport jig 30, and the lengths of both ends of the cylindrical battery extending out of the transport jig 30 are equal.

[0052] Alternatively, if Figure 3 As shown, the length of the transport jig 30 may be greater than the length of the cylindrical battery. The cylindrical battery is placed on the transport jig 30 , and the transport jig 30 holds and wraps the cylindrical battery.

[0053] The power assembly 20 is used to drive a plurality of transport jigs 30 to move from one end of the frame 10 to the other end, and the cylindrical batteries are driven by the transport jigs 30 to pass through the cylindrical battery inspection stations in sequence.

[0054] During inspection, the power assembly 20 is started, driving multiple transport jigs 30 to gradually move from one end of the frame 10 to the other end, so that the cylindrical batteries loaded by each transport jig 30 pass through the corresponding cylindrical battery inspection station in turn, and the surface of each cylindrical battery is inspected by the inspection equipment on the cylindrical battery inspection station.

[0055] The cylindrical battery transport strap 100 provided in the embodiment of the present application, wherein a plurality of transport jigs 30 are connected to the power assembly 20 at intervals, can simultaneously drive a plurality of cylindrical batteries through the cylindrical battery inspection station, thereby helping to improve the inspection efficiency of the cylindrical batteries; since the transport strap 100 is movable as a whole, the cylindrical batteries pass through the inspection station in sequence on the transport jig 30, and no robot clamping is required, thereby reducing the risk of damage to the cylindrical batteries; and the transport jig 30 is compatible with the cylindrical batteries, thereby effectively maintaining the stability of the cylindrical batteries during transportation, thereby avoiding damage or quality problems caused by unstable transportation.

[0056] like Figures 2 to 5 As shown, in some embodiments, the transport jig 30 includes a connecting portion 31 and a loading portion 32 disposed on the connecting portion 31 , the connecting portion 31 is connected to the power assembly 20 , and the loading portion 32 is used to load cylindrical batteries.

[0057] The connecting portion 31 is a portion of the transport jig 30 that is connected to the power assembly 20 .

[0058] The connecting portion 31 is fixedly connected to the power assembly 20. When the power assembly 20 moves, there is no relative displacement sliding between the connecting portion 31 and the moving assembly. Exemplarily, the connecting portion 31 is fastened to the power assembly 20 by bolts. Exemplarily, the connecting portion 31 is fixedly connected to the power assembly 20 by welding, bonding, etc.

[0059] The loading portion 32 is a portion of the transport jig 30 that supports the cylindrical batteries.

[0060] The loading portion 32 is connected to the connecting portion 31. Optionally, the loading portion 32 is an extension of the connecting portion 31.

[0061] When the cylindrical battery is placed on the transport jig 30, the loading portion 32 is attached to the surface of the cylindrical battery to support the cylindrical battery, and the connecting portion 31 moves under the drive of the power assembly 20 and drives the loading portion 32 and the cylindrical battery to pass through the cylindrical battery inspection station.

[0062] By adopting the above technical solution, the connecting part 31 is connected to the power assembly 20, which can ensure the stability and reliability of the transport fixture 30 during the movement; the loading part 32 is used to load cylindrical batteries, and its shape and size match the cylindrical batteries, which can effectively fix the cylindrical batteries to prevent displacement or tilting during transportation, and can further ensure that the cylindrical batteries remain stable during the entire transportation process, avoiding damage or quality problems caused by improper transportation.

[0063] like Figures 2 to 5 As shown, in some embodiments, the loading portion 32 includes two supporting sub-portions 321 , and the two supporting sub-portions 321 are symmetrically connected to two ends of the connecting portion 31 .

[0064] When the cylindrical battery is placed on the transport jig 30, the two supporting sub-parts 321 support the cylindrical battery symmetrically from both sides of the cylindrical battery. Figure 5 shown.

[0065] By adopting the above technical solution, the two supporting sub-parts 321 are symmetrically connected to the two ends of the connecting part 31, so that the loading part 32 can provide more balanced support and stability. When the cylindrical battery is on the loading part 32, the weight will be evenly distributed on the two supporting sub-parts 321, preventing tilting or imbalance caused by unstable center of gravity, thereby ensuring the stability of the cylindrical battery during transportation.

[0066] like Figures 2 to 5 As shown, in some embodiments, the two supporting sub-portions 321 are arranged at an angle.

[0067] The two supporting sub-parts 321 are connected to the two ends of the connecting part 31 at an angle. The two supporting sub-parts 321 and the connecting part 31 enclose a groove that matches the shape of the cylindrical battery. The cylindrical battery is placed in the groove, and the groove wall supports the cylindrical battery symmetrically from both ends.

[0068] By adopting the above technical solution, the two supporting sub-portions 321 are arranged at an angle, so that the loading portion 32 can better adapt to the shape of the cylindrical battery and make it more tightly fixed on the loading portion 32, thereby preventing the cylindrical battery from shaking or shifting during transportation, which helps to improve the loading portion 32's ability to firmly support the cylindrical battery. In addition, the two supporting sub-portions 321 are arranged at an angle to effectively reduce vibration during transportation. When the cylindrical battery is fixed on the supporting sub-portions 321 set at an angle, the angle formed between the supporting sub-portions 321 can reduce the impact of vibration and bumps during transportation, thereby protecting the cylindrical battery from unnecessary vibration and impact.

[0069] like Figures 2 to 5 As shown, in some embodiments, the angle between the two supporting sub-portions 321 is 70° to 90°.

[0070] like Figure 5 As shown, the angle between the two supporting sub-portions 321 is θ, and the value range of θ is 70° to 90°.

[0071] For cylindrical batteries with different diameters, the value of θ can be the same.

[0072] Preferably, for cylindrical batteries of different diameters, different values ​​of θ can be selected, and the value of θ can be adapted to the diameter size of the cylindrical battery to better achieve symmetrical support of the cylindrical battery.

[0073] By adopting the above technical solution, the design within the angle range allows a relatively wide supporting surface to be formed between the supporting sub-parts 321, which can better fit the shape of the cylindrical battery, thereby providing more stable support and preventing the cylindrical battery from shaking or shifting during transportation, so that the cylindrical battery is more firmly fixed on the supporting sub-part 321, not easy to loosen or swing, thereby ensuring the safety of the cylindrical battery during transportation.

[0074] like Figures 2 to 5 As shown, in some embodiments, two supporting sub-portions 321 are tangentially connected to the connecting portion 31 .

[0075] The connecting portion 31 is arc-shaped, and the two supporting sub-portions 321 are tangentially connected to the two ends of the arc respectively. The two supporting sub-portions 321 are smoothly connected to the connecting portion 31, and there is no gap or protruding part at the connecting portion 31.

[0076] When the cylindrical battery is placed on the transport jig 30 , the two supporting sub-parts 321 support the cylindrical battery from both ends thereof, and the connecting part 31 does not contact the cylindrical battery.

[0077] By adopting the above technical solution, the supporting sub-portion 321 is tangentially connected to the connecting portion 31, so that the loading portion 32 as a whole is more compact and stable. There is no obvious gap or protrusion between the supporting sub-portion 321 and the connecting portion 31, which can effectively prevent loosening or displacement during transportation and ensure stable support of the cylindrical battery.

[0078] In some embodiments, the friction coefficient of the transport jig 30 is 0.2 to 0.3.

[0079] The transport jig 30 is made of a material with a small friction coefficient, for example, polyoxymethylene material.

[0080] The friction coefficient of the transport jig 30 is 0.2 to 0.3. When the cylindrical battery is placed on the transport jig 30, relative sliding is not likely to occur between the transport jig 30 and the cylindrical battery, and the transport jig 30 will not scratch the surface of the cylindrical battery.

[0081] By adopting the above technical solution, the friction coefficient of the transport jig 30 is 0.2 to 0.3, which can more effectively prevent the cylindrical battery from sliding or shifting during transportation, maintain its stability, and at the same time reduce the wear of the transport jig 30 on the surface of the cylindrical battery.

[0082] like Figure 1 As shown, in some embodiments, the power assembly 20 includes a motor 21 and a transmission member 22 connected to an output end of the motor 21 , and the transport fixture 30 is connected to the transmission member 22 .

[0083] The transmission member 22 is used to transmit the kinetic energy of the motor 21 to the transport jig 30 , and convert the rotation of the motor 21 into the linear motion of the transport jig 30 .

[0084] For example, the transmission member 22 may be a gear rack structure, the gear is connected to the output end of the motor 21, the rack is meshed and connected to the gear, and the transport jig 30 is connected to the rack. When the motor 21 rotates, the gear is driven to rotate, and the gear rotation drives the rack to translate, thereby driving the transport jig 30 on the rack to move, so that the cylindrical batteries loaded on the transport jig 30 pass through the cylindrical battery inspection station in turn, and the surface inspection of the cylindrical batteries is realized.

[0085] Exemplarily, the transmission member 22 may be a sprocket chain structure, the sprocket is connected to the output end of the motor 21, the chain is meshed and connected to the sprocket, and the transport jig 30 is connected to the chain. When the motor 21 rotates, the sprocket is driven to rotate, and the rotation of the sprocket drives the chain to move in translation, thereby driving the transport jig 30 on the chain to move, so that the cylindrical batteries loaded on the transport jig 30 pass through the cylindrical battery inspection station in sequence, and the surface inspection of the cylindrical batteries is realized.

[0086] By adopting the above technical solution, the transmission member 22 connected to the motor 21 can enable the transport jig 30 to obtain sufficient power to move or manipulate, thereby realizing the transportation of the cylindrical battery; the transmission member 22 is connected to the output end of the motor 21, and can realize precise control of the transport jig 30, thereby realizing precise control of the position of the cylindrical battery at the inspection station, which helps to improve the accuracy of cylindrical battery inspection.

[0087] like Figure 1 As shown, in some embodiments, the transmission member 22 includes a synchronous wheel 221 and a synchronous belt 222 matched with the synchronous wheel 221 , and the transport fixture 30 is connected to the synchronous belt 222 .

[0088] The synchronous wheel 221 is connected to the output end of the motor 21 , and the synchronous belt 222 is meshedly connected to the synchronous wheel 221 .

[0089] The transport jig 30 is fixedly connected to the synchronous belt 222 .

[0090] When the motor 21 rotates, it drives the synchronous wheel 221 to rotate, and the rotation of the synchronous wheel 221 drives the synchronous belt 222 to translate, thereby driving the transport jig 30 on the synchronous belt 222 to move, so that the cylindrical batteries loaded on the transport jig 30 pass through the cylindrical battery inspection station in turn, thereby realizing the surface inspection of the cylindrical batteries.

[0091] By adopting the above technical solution, the design between the synchronous belt 222 and the synchronous wheel 221 can achieve precise transmission, and the synchronous belt 222 can evenly distribute power, reduce vibration and instability caused by uneven power transmission, thereby ensuring stability and reliability during transportation.

[0092] In some embodiments, the motor 21 is a servo motor, and the synchronous wheel 221 is connected to the output end of the servo motor.

[0093] By controlling the rotation speed of the servo motor, the rotation angle of the synchronous wheel 221 can be accurately controlled, thereby controlling the moving speed of the synchronous belt 222, thereby achieving accurate control of the position of the cylindrical battery on the cylindrical battery detection station.

[0094] By adopting the above technical solution, the servo motor can realize accurate positioning and control of the transport jig 30, and cooperate with the transmission of the synchronous wheel 221 and the synchronous belt 222 to help further accurately control the position of the cylindrical battery and improve the detection accuracy of the cylindrical battery.

[0095] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A cylindrical battery transport strap, provided at a cylindrical battery inspection station, characterized in that: include: frame; A power assembly, the power assembly being connected to the frame; A plurality of transport jigs, the transport jigs are used to load cylindrical batteries, the transport jigs are adapted to the cylindrical batteries, and the plurality of transport jigs are connected to the power assembly at intervals; The power assembly is used to drive the plurality of transport jigs to move from one end of the frame to the other end, and the cylindrical batteries are driven by the transport jigs to pass through the cylindrical battery inspection stations in sequence.

2. The cylindrical battery transport strap according to claim 1, characterized in that: The transport jig includes a connecting portion and a loading portion disposed on the connecting portion, the connecting portion is connected to the power assembly, and the loading portion is used to load the cylindrical battery.

3. The cylindrical battery transport strap according to claim 2, characterized in that: The loading part includes two supporting sub-parts, and the two supporting sub-parts are symmetrically connected to two ends of the connecting part.

4. The cylindrical battery transport strap according to claim 3, characterized in that: The two supporting sub-parts are arranged at an angle.

5. The cylindrical battery transport strap according to claim 4, characterized in that: The included angle between the two supporting sub-parts is 70° to 90°.

6. The cylindrical battery transport strap according to claim 3, characterized in that: The two supporting sub-parts are tangentially connected to the connecting part.

7. The cylindrical battery transport strap according to any one of claims 1 to 6, characterized in that: The friction coefficient of the transport jig is 0.2 to 0.

3.

8. The cylindrical battery transport strap according to claim 1, characterized in that: The power assembly includes a motor and a transmission member connected to an output end of the motor, and the transport jig is connected to the transmission member.

9. The cylindrical battery transport strap according to claim 8, characterized in that: The transmission member includes a synchronous wheel and a synchronous belt matched with the synchronous wheel, and the transport jig is connected to the synchronous belt.

10. The transport drawstring according to claim 9, characterized in that: The motor is a servo motor, and the synchronous wheel is connected to the output end of the servo motor.

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