Garment hanging lifting arm device and garment hanging line

Abstract

The utility model discloses a clothing hanging lift arm device, which comprises a driving unit, a transmission component and a push block, the driving unit drives the push block to lift through transmission of the transmission component, the transmission component comprises a synchronous belt and a belt wheel set, and the synchronous belt and the belt wheel set are in transmission through meshed teeth. The synchronous belt is provided with false teeth which are located at the tooth shapes and replace the corresponding tooth shapes to be in meshed transmission with the belt wheel set, and the false teeth and the push blocks are fixedly connected on the two sides of the synchronous belt and move along with the synchronous belt. The utility model has the advantages that the matching mode of the synchronous belt and the synchronous belt of the belt wheel group has better stability, does not slip and has high transmission precision. As the false teeth and the push block are fixed, the friction acting force on the synchronous belt is small, and the abrasion degree of the synchronous belt is reduced, so that the powder falling phenomenon is reduced, and the garment product quality is ensured.

Description

Technical Field

[0001] This utility model relates to the field of clothing hanging device technology, and in particular to a clothing hanging lifting arm device and a clothing hanging line. Background Technology

[0002] Currently, in garment hanging lines, factories need to use garment hanging lifting devices to return hangers containing clothing from the workstations to the main rail. This device lifts the hangers from the bottom of the lifting arm using locking blocks on a belt or chain, and then guides them onto the main rail. While existing belt drives offer advantages such as smooth transmission, cushioning and vibration absorption, low cost, and simple maintenance, they also exhibit a series of problems and shortcomings in practical use: belt drives rely primarily on friction, leading to belt slippage during operation; transmission accuracy is insufficient; and efficiency is low. Furthermore, belt friction transmission can cause belt dust shedding, negatively impacting garment products.

[0003] While chain drives avoid the problem of belt dust shedding to some extent, they are only suitable for transmission between two parallel shafts, are relatively expensive, prone to wear, have poor transmission smoothness, and generate additional dynamic loads, vibrations, impacts, and noise during operation. As the chain wears down, it elongates, affecting the smoothness of the transmission and potentially causing tooth skipping or chain slippage. Furthermore, chain drives require frequent maintenance, including regular lubrication and tension adjustments, resulting in a high maintenance frequency.

[0004] To address the aforementioned problems, various high-efficiency transmission devices have been proposed, among which synchronous belt drives have become an ideal alternative due to their slip-free, high-precision, and low-noise characteristics. Synchronous belt drives achieve efficient and high-precision power transmission by engaging the toothed belt with the teeth of the pulleys, avoiding the slippage problem of traditional belts. For example, the utility model patent with authorization announcement number CN220617260U in Chinese patent literature uses a synchronous belt in conjunction with a pusher to drive a clothes hanger. However, although a synchronous belt is used, significant wear still occurs at both ends of the lifting arm, in the synchronous belt area corresponding to the clothes hanger and on the pulleys, resulting in powder shedding.

[0005] Therefore, it is necessary to design a garment hanging lifting arm device and garment hanging line that combines the advantages of belt drive with the ability to ensure transmission accuracy and minimize wear and powder shedding. Utility Model Content

[0006] In order to overcome the above-mentioned shortcomings of the prior art, this utility model provides a garment hanging lifting arm device and a garment hanging line, which have high transmission accuracy, good stability, and are not prone to powder shedding, thus ensuring the quality of garment products.

[0007] To achieve the above objectives, the present invention adopts the following technical solution.

[0008] A garment hanging lifting arm device includes a drive unit, a transmission assembly, and a push block. The drive unit drives the push block to lift through the transmission assembly. The transmission assembly includes a synchronous belt and a pulley assembly. The synchronous belt and the pulley assembly are driven by meshing teeth. The synchronous belt is provided with dummy teeth located at its teeth and meshing with the pulley assembly in place of the corresponding teeth. The dummy teeth and the push block are fixedly connected on both sides of the synchronous belt and move together with the synchronous belt.

[0009] The synchronous belt employs dummy teeth and pulley tooth profile transmission at the corresponding push block position. The synchronous belt and pulley assembly's engagement method offers good stability, prevents slippage, and ensures high transmission accuracy. Because the dummy teeth and push blocks are fixed, the frictional force on the synchronous belt is low, reducing belt wear and thus mitigating dust shedding, ensuring the quality of garment products.

[0010] Preferably, the dummy tooth includes a tooth block and a connecting ring, and the timing belt has a through portion through which the connecting ring passes. The dummy tooth passes through the through portion via the connecting ring, thus determining its position and facilitating the synchronous movement of the dummy tooth and the timing belt. The dummy tooth is fixedly connected to the push block, thereby achieving synchronous movement of the push block and the timing belt. When the timing belt passes through the pulley assembly, the timing belt is in a bent state away from the push block. At this time, the contact area between the push block and the timing belt is small, and the friction between the push block and the timing belt is also small, reliably reducing the amount of powder falling from the timing belt onto the push block and ensuring the quality of the garment products.

[0011] Preferably, the through portion is a through hole that matches the outer circumferential dimensions of the connecting ring. The connecting ring passes directly through the through portion, and when the dummy tooth and the push block are fixed together, the connecting ring and the push block abut against each other, which can reduce the vertical pressure of the push block and the dummy tooth on the timing belt and reduce the wear of the timing belt.

[0012] Preferably, the synchronous belt has a smooth surface corresponding to the position of the prosthetic tooth. This facilitates processing and makes it easier to determine the position of the prosthetic tooth, which is beneficial for reliable positioning. The smooth surface structure also reduces the coefficient of friction between the prosthetic tooth and the synchronous belt, further reducing wear on the synchronous belt and mitigating dust shedding from the lifting device.

[0013] Preferably, the pusher includes a fixed pushing part and a connecting part. The connecting part is connected to the dummy tooth by a fastener. The dummy tooth has a stepped hole that matches the fastener, so that the fastener is hidden relative to the dummy tooth. The hidden fastener setting avoids interference with the synchronous belt transmission and improves the reliability of synchronous belt applications.

[0014] Preferably, the pushing part is a pushing plate perpendicular to the rotation axis of the pulley assembly. The pushing plate is located at the middle position of the connecting part in the direction of the rotation axis of the pulley assembly, and multiple fasteners are provided on one or both sides of the pushing plate. This ensures reliable fixation of the pushing plate relative to the dummy teeth.

[0015] Preferably, the inner circumference of the synchronous belt is provided with raised guide strips, and the outer circumference of the pulley assembly is provided with annular guide grooves that cooperate with the guide strips. The guide strips and guide grooves cooperate to prevent the synchronous belt from running off-center during operation, reduce transmission noise and vibration caused by poor meshing between the synchronous belt and the pulley assembly, and thus improve the stability of the overall working environment.

[0016] Preferably, the outer ends of the pulley assembly are respectively provided with retaining flanges to limit the displacement of the synchronous belt on both sides in the direction of the pulley assembly's rotation axis. The retaining flanges limit the axial position of the synchronous belt in the pulley assembly, thereby improving the smoothness and reliability of the synchronous belt's operation.

[0017] Preferably, the timing belt is a polyurethane timing belt, and the prosthetic teeth are made of wear-resistant hard metal material. The timing belt is made of polyurethane, which has excellent wear resistance, oil resistance, and aging resistance. Compared with traditional rubber belts, it avoids dust shedding during lifting, providing a longer service life while reducing replacement frequency and maintenance costs.

[0018] Furthermore, the shape and size of the tooth blocks are identical to those of the timing belt teeth. This ensures that the timing belt has a stable, continuous tooth profile, achieving reliable engagement with the pulley assembly.

[0019] Furthermore, the pulley assembly includes a driving pulley and a driven pulley. The synchronous belt is arranged in a ring and fitted onto the driving and driven pulleys. The driving pulley is connected to the drive unit, and the outer circumference of the synchronous belt is smooth. Under the action of the drive unit, the driving pulley works with the driven pulley to drive the synchronous belt to rotate, achieving lifting and hoisting. The smooth outer circumference of the synchronous belt reduces friction between the synchronous belt and the push block, further reducing dust shedding.

[0020] A garment hanging line includes the aforementioned garment hanging lifting arm device, and further includes a storage track assembly and a hanger assembly that is suspended and moved on the storage track assembly. The storage track assembly includes a lowering stop assembly and an exiting stop assembly. The garment hanging lifting arm device is disposed between the lowering stop assembly and the exiting stop assembly and lifts the hanger assembly of the lowering stop assembly upward to the exiting stop assembly.

[0021] The garment hanging lifting arm device is used in garment hanging lines. The drive unit drives the pulley assembly to rotate, which in turn drives the synchronous belt to rotate. The synchronous belt drives the pusher block to move in one direction, and the pusher block pushes the hanger assembly. The garment hanging lifting arm device lifts the hanger assembly located at the lower stop assembly to the exit stop assembly, realizing the position switch of the garment from the working position to the storage track assembly. The garment hanging lifting arm device disclosed in this solution reduces dust shedding by controlling the wear of the synchronous belt, thus ensuring the quality of the garment products.

[0022] This utility model has the following beneficial effects:

[0023] 1. The timing belt and pulley assembly have good stability, no slippage, and high transmission accuracy.

[0024] 2. Because the false teeth and push blocks are fixed, the frictional force on the timing belt is small, the wear of the timing belt is reduced, thereby reducing powder shedding and ensuring the quality of clothing products. Attached Figure Description

[0025] Figure 1 This is a partial structural diagram of a garment hanging line disclosed in one embodiment of this utility model.

[0026] Figure 2 This is a schematic diagram of the structure of a garment hanging lifting arm device disclosed in one embodiment of this utility model.

[0027] Figure 3 This is an exploded view of the dummy teeth and push blocks relative to the synchronous belt in a garment hanging lifting arm device disclosed in one embodiment of this utility model.

[0028] Figure 4 This is an exploded view of the dummy teeth and push blocks relative to the synchronous belt in a garment hanging lifting arm device disclosed in another embodiment of this utility model.

[0029] Figure 5 yes Figure 3 A schematic diagram of the structure of the prosthesis in the embodiment shown.

[0030] Figure 6 This is a schematic diagram of the structure of the synchronous belt and pulley assembly in the garment hanging lifting arm device disclosed in one embodiment of this utility model.

[0031] Figure 7 This is a schematic diagram of the structure of the synchronous belt and pulley assembly in a garment hanging lifting arm device disclosed in another embodiment of this utility model.

[0032] In the figure: drive unit 1, synchronous belt 21, through part 211, pulley group 22, driving pulley 221, driven pulley 222, dummy tooth 23, tooth block 231, connecting ring 232, push block 3, push part 31, connecting part 32, fastener 33, guide strip 41, guide groove 42, edge guard 43, storage track assembly 100, clothes hanger assembly 200, lowering stop assembly 300, exiting stop assembly 400, garment hanging lifting arm device 500. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0034] Example 1

[0035] A garment hanging lifting arm device, such as Figures 2 to 7 The device includes a drive unit 1, a transmission assembly, and a pusher block 3. The drive unit 1 drives the pusher block 3 to lift through the transmission assembly. The transmission assembly includes a synchronous belt 21 and a pulley set 22. The synchronous belt 21 and the pulley set 22 are driven by meshing teeth. The synchronous belt 21 is provided with a dummy tooth 23 located at its tooth profile and meshing with the pulley set 22 in place of the corresponding tooth profile. The dummy tooth 23 and the pusher block 3 are fixedly connected on both sides of the synchronous belt 21 and move together with the synchronous belt 21.

[0036] When the garment hanging lifting arm device is working, the synchronous belt 21 wraps around the outside of the pulley assembly 22. Since the pulley assembly 22 and the synchronous belt 21 are driven by a toothed transmission, the drive unit 1 drives the pulley assembly 22 to rotate, which in turn drives the synchronous belt 21 to rotate. The push block 3 is fixedly connected to the dummy teeth 23 on both sides of the synchronous belt 21 and moves with the synchronous belt 21, that is, the push block 3 also moves together. Through the push block 3, the hanger assembly 200 on the garment hanging line can be pushed from bottom to top. In the garment hanging lifting arm device 500, the dummy teeth 23 replace one or more teeth on the synchronous belt 21, and the dummy teeth 23 and the push block 3 are fixedly connected.

[0037] The synchronous belt 21 employs a toothed transmission with a dummy tooth 23 and a pulley set 22 at the corresponding push block 3 position. The engagement between the synchronous belt 21 and the pulley set 22 provides good stability, prevents slippage, and ensures high transmission accuracy. Because the dummy tooth 23 and the push block 3 are fixed, the frictional force on the synchronous belt 21 is small, reducing wear and tear, thus mitigating dust shedding and ensuring the quality of the garment products.

[0038] In this embodiment, the drive unit 1 can be a rotating power element such as a motor, or it can be an integrated drive module formed by combining a motor and a transmission component such as a reducer. For example, the motor can be connected to a worm gear reducer to give the drive unit 1 self-locking properties.

[0039] The pulley assembly 22 includes at least one driving pulley 221 and one driven pulley 222. Optional additional guide pulleys, tension pulleys, etc., may be added to the inner circumference of the synchronous belt 21. The guide pulleys or tension pulleys also rotate through toothed engagement with the synchronous belt 21.

[0040] The synchronous belt 21 has teeth on at least one side of its inner circumference to engage with the pulley assembly 22 for transmission. In this embodiment, an S8M tooth profile is selected to ensure efficient transmission of the synchronous belt 21 transmission system. This tooth profile design effectively increases the contact area between the synchronous belt 21 and the pulley assembly 22, improves friction, and thus achieves higher transmission efficiency and stability.

[0041] The synchronous belt 21 is a polyurethane synchronous belt, and the dummy teeth 23 are made of wear-resistant hard metal material. The synchronous belt 21 uses polyurethane, which has excellent wear resistance, oil resistance, and aging resistance. Compared with traditional rubber belts, it avoids dust shedding during lifting, providing a longer service life while reducing replacement frequency and maintenance costs. The shape and size of the tooth blocks 231 in the dummy teeth 23 are the same as the shape and size of the teeth of the synchronous belt 21. This ensures that the synchronous belt 21 has a stable and continuous tooth profile, achieving reliable engagement with the pulley assembly 22. By installing and fixing the metal dummy teeth 23, which are identical to the belt teeth, on the synchronous belt 21, the meshing operation of the pulleys is not affected, and the push block 3 is effectively fixed, preventing slippage or loosening during operation, thus ensuring smooth and precise material lifting.

[0042] Example 2,

[0043] A garment hanging lifting arm device, such as Figure 2 , Figure 3 and Figure 5 As shown, the assembly includes a drive unit 1, a transmission component, and a pusher block 3. The drive unit 1 drives the pusher block 3 to lift via the transmission component. The transmission component includes a synchronous belt 21 and a pulley assembly 22. The synchronous belt 21 and the pulley assembly 22 are driven by meshing teeth. The synchronous belt 21 has dummy teeth 23 located at its teeth and meshing with the pulley assembly 22 in place of the corresponding teeth. The dummy teeth 23 and the pusher block 3 are fixedly connected to both sides of the synchronous belt 21 and move together with the synchronous belt 21. The pulley assembly 22 includes a driving pulley 221 and a driven pulley 222. The synchronous belt 21 is arranged in a ring and is fitted onto the driving pulley 221 and the driven pulley 222. The driving pulley 221 is connected to the drive unit 1. The outer circumferential surface of the synchronous belt 21 is smooth. The active pulley 221, under the action of the drive unit 1, works with the driven pulley 222 to drive the synchronous belt 21 to rotate, thereby achieving hoisting and lifting. The smooth outer surface of the synchronous belt 21 can reduce the friction between the synchronous belt 21 and the push block 3, further reducing the powder shedding phenomenon.

[0044] The dummy tooth 23 includes a tooth block 231 and a connecting ring 232, which are fixed as a single unit. The synchronous belt 21 has a through portion 211 through which the connecting ring 232 passes. The outer diameter of the connecting ring 232 is smaller than the width of the end where the tooth block 231 connects to the connecting ring 232. In this embodiment, the through portion 211 is a through hole that matches the outer circumferential dimensions of the connecting ring 232. The dummy tooth 23 passes through the through portion 211 via the connecting ring 232, thus determining its position and facilitating the synchronous movement of the dummy tooth 23 and the synchronous belt 21. The dummy tooth 23 is fixedly connected to the push block 3, thereby achieving the synchronous movement of the push block 3 and the synchronous belt 21. When the synchronous belt 21 passes through the pulley assembly 22, the synchronous belt 21 is in a bent state away from the push block 3. At this time, the contact area between the push block 3 and the synchronous belt 21 is small, and the friction between the push block 3 and the synchronous belt 21 is also small, reliably reducing the amount of powder falling from the synchronous belt 21 onto the push block 3 and ensuring the quality of the garment products. The connecting ring 232 passes directly through the through part 211. When the dummy tooth 23 and the push block 3 are fixed together, the connecting ring 232 and the push block 3 abut against each other, which can reduce the vertical pressure of the push block 3 and the dummy tooth 23 on the timing belt 21 and reduce the wear of the timing belt 21.

[0045] In this embodiment, the synchronous belt 21 is smooth at the position corresponding to the dummy tooth 23. This facilitates processing and makes it easier to determine the position of the dummy tooth 23, which is beneficial for the reliable setting of the dummy tooth 23. The smooth surface structure can reduce the coefficient of friction between the dummy tooth 23 and the synchronous belt 21, further reducing the wear of the synchronous belt 21 and mitigating the powder shedding phenomenon of the lifting device.

[0046] Example 3,

[0047] A garment hanging lifting arm device includes a drive unit 1, a transmission assembly, and a pusher block 3. The drive unit 1 drives the pusher block 3 to lift via the transmission assembly. The transmission assembly includes a synchronous belt 21 and a pulley assembly 22. The synchronous belt 21 and the pulley assembly 22 are driven by meshing teeth. The synchronous belt 21 is provided with dummy teeth 23 located at its teeth and meshing with the pulley assembly 22 in place of corresponding teeth. The dummy teeth 23 and the pusher block 3 are fixedly connected on both sides of the synchronous belt 21 and move together with the synchronous belt 21. Figure 4 As shown, the dummy tooth 23 includes a tooth block 231 and a connecting ring 232, which are fixed as a single unit. The timing belt 21 has a through portion 211 through which the connecting ring 232 passes. The push block 3 includes a fixed pushing portion 31 and a connecting portion 32. The connecting portion 32 is connected to the connecting ring 232 of the dummy tooth 23 by a fastener 33, which includes, but is not limited to, self-tapping screws and pins. The dummy tooth 23 has a stepped hole that mates with the fastener 33, allowing the fastener 33 to be hidden relative to the dummy tooth 23. This hidden fastener 33 avoids interference with the transmission of the timing belt 21, improving the reliability of the timing belt 21 application.

[0048] The pushing part 31 is a pushing plate perpendicular to the rotation axis of the pulley group 22. The pushing plate is located in the middle of the connecting part 32 in the direction of the rotation axis of the pulley group 22. The connecting part 32 is a long plate structure, and the pushing plate is located at one end in the length direction of the connecting part 32. Two fasteners 33 are provided in the length direction of the pushing plate to cooperate with two adjacent dummy teeth 23 respectively. With this configuration, the end of the pushing plate is tilted relative to the synchronous belt 21 when the dummy teeth 23 and the pulley group 22 are engaged. The pushing plate directly cooperates with the hanger assembly 200 on the garment hanging line. When the pushing plate acts on the hanger assembly 200, it provides a thrust to the hanger assembly 200, so that the hanger assembly 200 has acceleration. The end of the pushing plate that is tilted relative to the synchronous belt 21 is more convenient to cooperate with the hanger assembly 200, providing a reliable pushing and lifting effect.

[0049] Example 4,

[0050] A garment hanging lifting arm device, such as Figure 2 and Figure 3 As shown, the difference between Embodiment 4 and Embodiment 3 is only that: the push plate is arranged along the length direction of the connecting part 32, the push block 3 is connected to only one dummy tooth 23, and the tooth block 231 of the dummy tooth 23 is provided with two spaced connecting rings 232. The two connecting rings 232 correspond to a fastener 33 respectively, thereby realizing the common connection of the connecting parts 32 on both sides of the push plate. This scheme makes the contact area between the push block 3 and the timing belt 21 smaller when the dummy tooth 23 and the pulley group 22 are engaged, and the wear on the timing belt 21 is smaller.

[0051] The two methods of setting the false teeth 23 and the push plate disclosed in Embodiments 3 and 4 are applied to hanger assemblies 200 of different weights. When the hanger assembly 200 is heavy, the scheme of Embodiment 3 is used, and when the hanger assembly 200 is light, the scheme of Embodiment 4 is used.

[0052] Example 5,

[0053] A garment hanging lifting arm device includes a drive unit 1, a transmission assembly, and a pusher block 3. The drive unit 1 drives the pusher block 3 to lift via the transmission assembly. The transmission assembly includes a synchronous belt 21 and a pulley assembly 22. The synchronous belt 21 and the pulley assembly 22 are driven by meshing teeth. The synchronous belt 21 is provided with dummy teeth 23 located at its teeth and meshing with the pulley assembly 22 in place of corresponding teeth. The dummy teeth 23 and the pusher block 3 are fixedly connected on both sides of the synchronous belt 21 and move together with the synchronous belt 21. Figure 6 As shown, the inner circumference of the synchronous belt 21 is provided with a raised guide strip 41, and the outer circumference of the pulley assembly 22 is provided with an annular guide groove 42 that matches the guide strip 41. The guide strip 41 and the guide groove 42 cooperate to prevent the synchronous belt 21 from running off-center during operation, reduce transmission noise and vibration caused by poor meshing between the synchronous belt 21 and the pulley assembly 22, and thus improve the stability of the overall working environment.

[0054] As a simple replacement for the above solution, such as Figure 7 As shown, the outer ends of the pulley assembly 22 are respectively provided with retaining flanges 43 to limit the displacement of the synchronous belt 21 on both sides in the direction of the rotation axis of the pulley assembly 22. The retaining flanges 43 limit the position of the synchronous belt 21 in the axial direction of the pulley assembly 22, thereby improving the smoothness and reliability of the synchronous belt 21 operation.

[0055] exist Figure 6 and Figure 7 In order to better demonstrate the cooperation between the guide strip 41 and the guide groove 42 between the synchronous belt 21 and the driving pulley 221 or the driven pulley 222, the pulley is shown as the middle position of the synchronous belt 21, while the actual driving pulley 221 and the driven pulley 222 are located at the ends of the synchronous belt 21.

[0056] Example 6,

[0057] A type of garment hanging line, such as Figure 1 As shown, the device includes a storage track assembly 100 and a hanger assembly 200 suspended and movable on the storage track assembly 100. The storage track assembly 100 includes a lower stop assembly 300 and an exit stop assembly 400, and also includes the aforementioned garment hanging lifting arm device 500. The garment hanging lifting arm device 500 is disposed between the lower stop assembly 300 and the exit stop assembly 400, and lifts the hanger assembly 200 of the lower stop assembly 300 to the exit stop assembly 400 via a pusher block. The storage track assembly 100, hanger assembly 200, lower stop assembly 300, and exit stop assembly 400 are all prior art, and this utility model does not involve improvements to these contents, therefore, they will not be described in detail.

[0058] The garment hanging lifting arm device 500 is used in garment hanging lines. The drive unit 1 drives the pulley group 22 to rotate, simultaneously rotating the synchronous belt 21. The synchronous belt 21 drives the pusher block 3 to move in one direction, pushing the hanger assembly 200. The garment hanging lifting arm device 500 lifts the hanger assembly 200 from the lower stop assembly 300 to the exit stop assembly 400, realizing the switching of the garment from the processing work position to the storage track assembly 100. The garment hanging lifting arm device 500 disclosed in this solution reduces dust shedding by controlling the wear of the synchronous belt 21, ensuring the quality of the garment products.

Claims

1. A garment hanging and lifting arm device, comprising a driving unit, a transmission assembly and a push block, the driving unit drives the push block to lift through the transmission assembly, characterized in that, The transmission assembly comprises a synchronous belt and a pulley set, the synchronous belt and the pulley set are in engagement through tooth-shaped transmission, the synchronous belt is provided with a false tooth at a tooth-shaped portion and replaces corresponding tooth-shaped portions to engage and transmit the pulley set, the false tooth and the push block are fixedly connected on both sides of the synchronous belt and move synchronously with the synchronous belt.

2. A garment hanging and lifting arm device according to claim 1, characterized in that The false tooth comprises a tooth block and a connecting ring, and the synchronous belt is provided with a through portion for the connecting ring to pass through.

3. A garment hanging and lifting arm device according to claim 2, wherein The through portion is a through hole matched with the outer peripheral dimension of the connecting ring.

4. A garment hanging and lifting arm device according to claim 1, wherein The synchronous belt is provided with a smooth surface corresponding to the position of the false tooth.

5. A garment hanging and lifting arm device according to claim 1, wherein The push block comprises a fixed push portion and a connecting portion, the connecting portion is connected with the false tooth through a fastener, and the false tooth is provided with a stepped hole matched with the fastener to realize hidden arrangement of the fastener relative to the false tooth.

6. A garment hanging and lifting arm device according to claim 5, wherein, The push portion is a push plate perpendicular to the rotation axis of the pulley set, the push plate is located at the intermediate position of the connecting portion in the rotation axis direction of the pulley set, and the fastener is provided with multiple positions on one side or both sides of the push plate.

7. A garment hanging and lifting arm device according to claim 1, wherein The inner periphery of the synchronous belt is provided with a raised flow guide strip, and the outer periphery of the pulley set is provided with an annular flow guide groove matched with the flow guide strip.

8. A garment hanging and lifting arm device according to claim 1, wherein, The outer periphery of the pulley set is respectively provided with a limiting edge limiting the displacement of both sides of the synchronous belt in the rotation axis direction of the pulley set.

9. A garment hanging and lifting arm device according to any one of claims 1 to 8, characterised in that, The synchronous belt is a polyurethane synchronous belt, and the false tooth is made of wear-resistant hard metal material.

10. A garment hanging system comprising a storage track assembly and a hanger assembly suspended for movement on the storage track assembly, the storage track assembly comprising a drop-off stop assembly and an outbound stop assembly, characterized in that, The garment hanging lifting arm device is arranged between the drop-off stop point assembly and the outbound stop point assembly and lifts the hanger assembly of the drop-off stop point assembly upward to the outbound stop point assembly.

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