CN222960991U - A hoop type pipe pile lifting device - Google Patents

A hoop type pipe pile lifting device Download PDF

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Publication number
CN222960991U
CN222960991U CN202421715452.3U CN202421715452U CN222960991U CN 222960991 U CN222960991 U CN 222960991U CN 202421715452 U CN202421715452 U CN 202421715452U CN 222960991 U CN222960991 U CN 222960991U
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CN
China
Prior art keywords
fixedly connected
pipe pile
transmission
bevel gear
gear
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Active
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CN202421715452.3U
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Chinese (zh)
Inventor
罗正国
吴小雄
何建新
尹和军
冯启元
张晓阳
杨志强
查旺江再
张烨
陈铭涛
赵有东
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Xinhua Botai Bole Power Investment Co ltd
Sinohydro Engineering Bureau 4 Co Ltd
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Xinhua Botai Bole Power Investment Co ltd
Sinohydro Engineering Bureau 4 Co Ltd
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Priority to CN202421715452.3U priority Critical patent/CN222960991U/en
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Publication of CN222960991U publication Critical patent/CN222960991U/en
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Abstract

本实用新型属于管桩吊装装置技术领域,具体的说是一种抱箍式管桩吊装装置,包括抱箍装置外壳,所述抱箍装置外壳的顶端固定连接有固定块;所述固定块的顶端固定连接有法兰座;所述固定块的一侧固定连接有连接板;所述连接板的一侧固定连接有第一伺服电机;所述第一伺服电机的输出端固定连接有第一传动杆;所述第一传动杆的外侧固定连接有第一锥齿轮;在需要对管桩进行吊起前固定时,通过第一圆形齿条与第二圆形齿条对管桩进行抱箍固定,进而将管桩夹持住,减少了人工绑定和检查的时间,降低了劳动强度,同时也减少了因人为因素导致的错误和事故,提高了整体的工作效率和安全性。

The utility model belongs to the technical field of pipe pile lifting devices, specifically a clamping type pipe pile lifting device, comprising a clamping device shell, the top of the clamping device shell is fixedly connected with a fixing block; the top of the fixing block is fixedly connected with a flange seat; one side of the fixing block is fixedly connected with a connecting plate; one side of the connecting plate is fixedly connected with a first servo motor; the output end of the first servo motor is fixedly connected with a first transmission rod; the outer side of the first transmission rod is fixedly connected with a first bevel gear; when the pipe pile needs to be fixed before lifting, the pipe pile is clamped and fixed by the first circular rack and the second circular rack, and then the pipe pile is clamped, which reduces the time of manual binding and inspection, reduces the labor intensity, and also reduces the errors and accidents caused by human factors, thereby improving the overall work efficiency and safety.

Description

Hoop type tubular pile lifting device
Technical Field
The utility model belongs to the technical field of pipe pile hoisting devices, and particularly relates to a hoop type pipe pile hoisting device.
Background
The lifting device is mechanical equipment for lifting an object off the ground and moving to other positions, and can be divided into various types according to the lifting mode and different equipment, such as manual lifting, mechanical lifting, automatic lifting and the like.
The hoop type lifting device is a device for lifting objects, and adopts the hoop principle, namely the objects are fixed and lifted by forcedly pressing the fixed objects together and utilizing factors such as friction force, elastic deformation, thermal expansion, cold contraction and the like.
In the use of the hoop type pipe pile lifting device, manual hooping is often needed to be carried out on the pipe pile below, so that the safety risk of operators is increased, meanwhile, a great amount of time is generally consumed in the manual hooping process, and the workload and the labor intensity are increased.
Disclosure of utility model
In order to overcome the defects in the prior art and solve at least one technical problem in the background art, the utility model provides a hoop type tubular pile hoisting device.
The technical scheme includes that the hoop type pipe pile hoisting device comprises a hoop device shell, a fixing block is fixedly connected to the top end of the hoop device shell, a flange seat is fixedly connected to the top end of the fixing block, a connecting plate is fixedly connected to one side of the fixing block, a first servo motor is fixedly connected to one side of the connecting plate, a first transmission rod is fixedly connected to the output end of the first servo motor, a first bevel gear is fixedly connected to the outer side of the first transmission rod, a first transmission gear is fixedly connected to one side, away from the first bevel gear, of the outer side of the first transmission rod, a transmission sleeve is rotatably connected to one side, corresponding to the first bevel gear, of the outer side of the first transmission rod, a second bevel gear is fixedly connected to the outer side, away from the second bevel gear, of the outer side of the transmission sleeve, a third bevel gear is in meshed connection with the top end of the second bevel gear, a circular gear is in meshed connection with the third bevel gear, the third bevel gear is in meshed with the inner side of the first transmission sleeve, and the circular gear is connected with the first circular transmission device.
Preferably, a hook is movably connected in the flange seat, a threaded column is connected to the top end of the hook in a threaded manner, and a steel wire rope is fixedly connected to the top end of the threaded column.
The steel wire rope is characterized in that a rotating pulley is fixedly connected to the other end of the steel wire rope, a second transmission rod is fixedly connected to the center of the rotating pulley, a first fixing plate is arranged on the outer side of the second transmission rod at a position far away from the rotating pulley, the second transmission rod rotates in the first fixing plate, and a sliding plate is fixedly connected to the bottom end of the first fixing plate.
The first worm is fixedly connected to the outer side of the central position of the second transmission rod, one side of the first fixing plate is fixedly connected with a second fixing plate, the top end of the second fixing plate is fixedly connected with a second servo motor, the output end of the second servo motor is fixedly connected with a second worm wheel, and the first worm is meshed with the second worm wheel.
Preferably, the bottom end of the sliding plate is fixedly connected with a third fixing plate, one side of the third fixing plate is fixedly connected with a third servo motor, the output end of the third servo motor is fixedly connected with a third transmission gear, the bottom end of the third transmission gear is in meshed connection with a long rack, and the bottom end of the long rack is fixedly connected with a supporting frame.
Preferably, a protection plate is fixedly connected above the rotating pulley at the top end of the sliding plate.
Preferably, the bottom end of the supporting frame is fixedly connected with a mounting plate, and a plurality of mounting holes are formed in the mounting plate.
The utility model has the beneficial effects that:
1. The utility model provides a hoop type pipe pile lifting device, which is used for fixing a pipe pile through a first circular rack and a second circular rack when the pipe pile is required to be lifted, so that the pipe pile is clamped, the time for manual binding and inspection is reduced, the labor intensity is reduced, meanwhile, errors and accidents caused by human factors are also reduced, and the overall working efficiency and safety are improved.
2. According to the hoop type pipe pile lifting device, when the pipe pile is required to move, the third transmission gear is driven to move above the long rack through the third servo motor, so that the sliding plate moves above the supporting frame, automatic movement of the pipe pile movement of the lifting device is achieved, the requirement of manual operation is reduced, and the working efficiency and safety are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a schematic view of a first drive rod and a drive sleeve according to the present utility model;
FIG. 3 is an exploded view of a first drive rod and drive sleeve of the present utility model;
FIG. 4 is a schematic view of the rotary pulley and the second transmission rod of the present utility model;
Fig. 5 is a schematic structural view of a third transmission gear and an elongated rack gear according to the present utility model.
The illustration is that 1, a hoop device shell, 2, a fixed block, 3, a flange seat, 4, a connecting plate, 5, a first servo motor, 6, a first transmission rod, 7, a first bevel gear, 8, a first transmission gear, 9, a transmission sleeve, 10, a second bevel gear, 11, a second transmission gear, 12, a third bevel gear, 13, a first circular rack, 14, a second circular rack, 15, a hook, 16, a threaded column, 17, a wire rope, 18, a rotating pulley, 19, a second transmission rod, 20, a first fixed plate, 21, a sliding plate, 22, a first worm, 23, a second fixed plate, 24, a second servo motor, 25, a second worm gear, 26, a third fixed plate, 27, a third servo motor, 28, a third transmission gear, 29, an elongated rack, 30, a support frame, 31, a protection plate, 32, a mounting plate, 33 and a mounting hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Specific examples are given below.
Referring to fig. 1-5, the utility model provides a hoop type pipe pile hoisting device, which comprises a hoop device shell 1, wherein a fixed block 2 is fixedly connected to the top end of the hoop device shell 1, a flange seat 3 is fixedly connected to the top end of the fixed block 2, a connecting plate 4 is fixedly connected to one side of the fixed block 2, a first servo motor 5 is fixedly connected to one side of the connecting plate 4, the output end of the first servo motor 5 is fixedly connected with a first transmission rod 6, a first bevel gear 7 is fixedly connected to the outer side of the first transmission rod 6, a first transmission gear 8 is fixedly connected to one side, far away from the first bevel gear 7, of the outer side of the first transmission rod 6, a transmission sleeve 9 is rotatably connected to one side, corresponding to the first bevel gear 7, of the first transmission rod 6, of the first bevel gear 9, a second bevel gear 10 is fixedly connected to one side, far away from the second bevel gear 10, of the outer side, of the transmission sleeve 9, a second bevel gear 11 is fixedly connected to one side, the first bevel gear 7 is meshed with the first bevel gear 12, the inner side of the second bevel gear 10 is meshed with the first bevel gear 12, the first circular gear is meshed with the first transmission sleeve 11, and the inner side of the circular gear 1 is meshed with the first transmission sleeve 11 is meshed with the first transmission gear 1. When the pipe pile is required to be lifted and fixed, the first servo motor 5 is started, the first transmission rod 6 is driven to rotate, the third bevel gear 12 is driven to rotate in the connecting plate 4 through the rotation of the first transmission rod 6, the transmission sleeve 9 is further driven to reversely rotate at the outer side of the first transmission rod 6, when the first transmission rod 6 and the transmission sleeve 9 rotate and reversely rotate, the first circular rack 13 and the second circular rack 14 relatively rotate through the first transmission gear 8 and the second bevel gear 10 at the outer side of the transmission sleeve 9, and the pipe pile is fixed by hooping, when the pipe pile is required to be lifted and fixed, the pipe pile is clamped through the first circular rack 13 and the second circular rack 14, so that the time for manual binding and inspection is reduced, the labor intensity is reduced, and meanwhile, the errors and accidents caused by human factors are also reduced, and the whole working efficiency and safety are improved;
As shown in fig. 2, a hook 15 is movably connected in the flange seat 3, a threaded column 16 is connected with the top end of the hook 15 in a threaded manner, and a steel wire rope 17 is fixedly connected with the top end of the threaded column 16. During operation, when the anchor ear device needs to be disassembled, the hook 15 can be rotated firstly, then the hook 15 is taken out from the inside of the threaded column 16, the anchor ear device is disassembled, the anchor ear device can be taken out easily through the rotation of the hook 15, and the anchor ear device is convenient to maintain and repair.
As shown in fig. 4, the other end of the wire rope 17 is fixedly connected with a rotating pulley 18, a second transmission rod 19 is fixedly connected to the center of the rotating pulley 18, a first fixing plate 20 is placed on the outer side of the second transmission rod 19 at a position far away from the rotating pulley 18, the second transmission rod 19 rotates in the first fixing plate 20, and a sliding plate 21 is fixedly connected to the bottom end of the first fixing plate 20. When the hoisting device is in operation, when the pipe pile is required to be hoisted, the second transmission rod 19 rotates in the first fixing plate 20, and then the rotating pulley 18 is driven to rotate, the steel wire rope 17 is wound, and the pipe pile is driven to move up and down.
As shown in fig. 4, a first worm 22 is fixedly connected to the outer side of the central position of the second transmission rod 19, a second fixing plate 23 is fixedly connected to one side of the first fixing plate 20, a second servo motor 24 is fixedly connected to the top end of the second fixing plate 23, a second worm gear 25 is fixedly connected to the output end of the second servo motor 24, and the first worm 22 is in meshed connection with the second worm gear 25. During operation, through starting second servo motor 24, and then drive second worm wheel 25 and rotate, and then drive second transfer line 19 at the inside rotation of first fixed plate 20 for rotate pulley 18 and carry out the rolling to wire rope 17, thereby drive staple bolt device upward movement, this step is with equipment connection external power source, drive second worm wheel 25 through starting second servo motor 24 and drive second transfer line 19 and rotate, and then drive rotation pulley 18 and rotate, make things convenient for the device to carry out electric adjustment, improve the efficiency to staple bolt device altitude mixture control.
As shown in fig. 5, the bottom end of the sliding plate 21 is fixedly connected with a third fixing plate 26, one side of the third fixing plate 26 is fixedly connected with a third servo motor 27, the output end of the third servo motor 27 is fixedly connected with a third transmission gear 28, the bottom end of the third transmission gear 28 is in meshed connection with a long rack 29, and the bottom end of the long rack 29 is fixedly connected with a supporting frame 30. During operation, when the pipe pile needs to be moved, the third servo motor 27 is started, and then the third transmission gear 28 is driven to rotate, so that the third transmission gear 28 rotates and moves above the long rack 29, the sliding plate 21 moves above the support frame 30, the third transmission gear 28 is driven to move above the long rack 29 by the third servo motor 27 when the pipe pile needs to be moved, and then the sliding plate 21 moves above the support frame 30, automatic movement of the pipe pile movement by the hoisting device is realized, the requirement of manual operation is reduced, and the working efficiency and the safety are improved.
As shown in fig. 4, a protection plate 31 is fixedly connected to the top end of the sliding plate 21 above the rotating pulley 18. During operation, when the device is used outdoors, the rust damage on the rotating pulley 18 caused by weather reasons can be effectively reduced through the protection effect of the protection plate 31.
As shown in fig. 1, the bottom end of the supporting frame 30 is fixedly connected with a mounting plate 32, and a plurality of mounting holes 33 are formed in the mounting plate 32. During operation, through the setups of mounting hole 33, fix support frame 30, this step has made things convenient for the staff to install fixedly support frame 30, can resist impact and the vibration of external force effectively simultaneously, ensures the steady operation of device.
Working principle: when the pipe pile is required to be lifted and fixed, the first servo motor 5 is started to drive the first transmission rod 6 to rotate, the third bevel gear 12 is driven to rotate in the connecting plate 4 through the rotation of the first transmission rod 6, the transmission sleeve 9 is further driven to reversely rotate at the outer side of the first transmission rod 6, when the first transmission rod 6 and the transmission sleeve 9 rotate and reversely rotate, the first circular rack 13 and the second circular rack 14 relatively rotate through the first transmission gear 8 and the second bevel gear 10 at the outer side of the transmission sleeve 9, the pipe pile is fixed by hooping, the pipe pile is fixed by the first circular rack 13 and the second circular rack 14 when the pipe pile is required to be lifted and fixed, the pipe pile is clamped, the time of manual binding and checking is reduced, the labor intensity is reduced, simultaneously, errors and accidents caused by human factors are reduced, the overall working efficiency and the safety are improved, when the hoop device is required to be disassembled, the hook 15 can be rotated firstly, then the hook 15 is taken out from the inside of the threaded column 16, the hoop device is disassembled, the hoop device can be easily taken out through the rotation of the hook 15, the hoop device is convenient to maintain and repair, when the pipe pile is required to be hoisted, the second transmission rod 19 rotates in the first fixing plate 20, then the rotating pulley 18 is driven to rotate, the steel wire rope 17 is wound, the pipe pile is driven to move up and down, the second servo motor 24 is started, then the second worm wheel 25 is driven to rotate, then the second transmission rod 19 is driven to rotate in the first fixing plate 20, the rotating pulley 18 winds the steel wire rope 17, thereby drive staple bolt device upward movement, this step is with equipment connection external power source, drive second worm wheel 25 through starting second servo motor 24 and drive second transfer line 19 rotation, and then drive rotation pulley 18 and rotate, make things convenient for the device to carry out electric adjustment, improve the efficiency to staple bolt device height adjustment, when needs are moved to the tubular pile, through starting third servo motor 27, and then drive third drive gear 28 and rotate, make third drive gear 28 rotate the top of long-shaped rack 29 and remove, and then make sliding plate 21 remove in the top of support frame 30, this step is when need remove the tubular pile, drive third drive gear 28 remove in the top of long-shaped rack 29 through third servo motor 27, and then make sliding plate 21 remove in the top of support frame 30, realize hoist device and carry out the automatic removal that removes to the tubular pile, the demand of manual operation has been reduced, work efficiency and security have been improved, when outdoor use the device, through the guard action of guard plate 31, can effectively reduce because of rust on the rotating pulley 18 that leads to, through setting up mounting hole 33, the fixed support frame 30 and the stable operation of this step can be carried out to the outside vibration stable operation of the support frame 30, the people can guarantee the stable weather to the vibration device.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (7)

1.一种抱箍式管桩吊装装置,包括抱箍装置外壳(1),其特征在于:所述抱箍装置外壳(1)的顶端固定连接有固定块(2);所述固定块(2)的顶端固定连接有法兰座(3);所述固定块(2)的一侧固定连接有连接板(4);所述连接板(4)的一侧固定连接有第一伺服电机(5);所述第一伺服电机(5)的输出端固定连接有第一传动杆(6);所述第一传动杆(6)的外侧固定连接有第一锥齿轮(7);所述第一传动杆(6)的外侧远离第一锥齿轮(7)的一侧固定连接有第一传动齿轮(8);所述第一传动杆(6)的外侧其第一锥齿轮(7)与第一传动齿轮(8)相对应的一侧转动连接有传动套筒(9);所述传动套筒(9)的外侧固定连接有第二锥齿轮(10);所述传动套筒(9)的外侧远离第二锥齿轮(10)的一侧固定连接有第二传动齿轮(11);所述第一锥齿轮(7)与第二锥齿轮(10)的顶端啮合连接有第三锥齿轮(12);所述第三锥齿轮(12)在连接板(4)内部转动连接;所述抱箍装置外壳(1)的内部与第一传动齿轮(8)啮合连接有第一圆形齿条(13);所述抱箍装置外壳(1)的内部与第二传动齿轮(11)啮合连接有第二圆形齿条(14)。1. A hoop-type pipe pile lifting device, comprising a hoop device housing (1), characterized in that: a fixing block (2) is fixedly connected to the top of the hoop device housing (1); a flange seat (3) is fixedly connected to the top of the fixing block (2); a connecting plate (4) is fixedly connected to one side of the fixing block (2); a first servo motor (5) is fixedly connected to one side of the connecting plate (4); a first transmission rod (6) is fixedly connected to the output end of the first servo motor (5); a first bevel gear (7) is fixedly connected to the outer side of the first transmission rod (6); a first transmission gear (8) is fixedly connected to the outer side of the first transmission rod (6) away from the first bevel gear (7); the first bevel gear (8) is fixedly connected to the outer side of the first transmission rod (6); A transmission sleeve (9) is rotatably connected to a side of the wheel (7) corresponding to the first transmission gear (8); a second bevel gear (10) is fixedly connected to the outside of the transmission sleeve (9); a second transmission gear (11) is fixedly connected to the outside of the transmission sleeve (9) away from the second bevel gear (10); a third bevel gear (12) is meshedly connected to the top of the first bevel gear (7) and the second bevel gear (10); the third bevel gear (12) is rotatably connected inside the connecting plate (4); a first circular rack (13) is meshedly connected to the first transmission gear (8) inside the housing (1) of the clamping device; and a second circular rack (14) is meshedly connected to the second transmission gear (11) inside the housing (1) of the clamping device. 2.如权利要求1所述的一种抱箍式管桩吊装装置,其特征在于:所述法兰座(3)的内部活动连接有挂钩(15);所述挂钩(15)的顶端螺纹连接有螺纹柱(16);所述螺纹柱(16)的顶端固定连接钢丝索(17)。2. A clamp-type pipe pile lifting device as described in claim 1, characterized in that: a hook (15) is movably connected inside the flange seat (3); a threaded column (16) is threadedly connected to the top of the hook (15); and a steel wire rope (17) is fixedly connected to the top of the threaded column (16). 3.如权利要求2所述的一种抱箍式管桩吊装装置,其特征在于:所述钢丝索(17)的另一端固定连接有转动滑轮(18);所述转动滑轮(18)的中心位置固定连接有第二传动杆(19);所述第二传动杆(19)的外侧远离转动滑轮(18)的位置处放置有第一固定板(20);所述第二传动杆(19)在第一固定板(20)的内部转动,所述第一固定板(20)的底端固定连接有滑动板(21)。3. A clamp-type pipe pile lifting device as described in claim 2, characterized in that: the other end of the steel wire rope (17) is fixedly connected to a rotating pulley (18); a second transmission rod (19) is fixedly connected to the center position of the rotating pulley (18); a first fixed plate (20) is placed on the outer side of the second transmission rod (19) away from the rotating pulley (18); the second transmission rod (19) rotates inside the first fixed plate (20), and a sliding plate (21) is fixedly connected to the bottom end of the first fixed plate (20). 4.如权利要求3所述的一种抱箍式管桩吊装装置,其特征在于:所述第二传动杆(19)的中心位置外侧固定连接有第一蜗杆(22);所述第一固定板(20)的一侧固定连接有第二固定板(23);所述第二固定板(23)的顶端固定连接有第二伺服电机(24);所述第二伺服电机(24)的输出端固定连接有第二蜗轮(25);所述第一蜗杆(22)与第二蜗轮(25)啮合连接。4. A clamp-type pipe pile lifting device as described in claim 3, characterized in that: a first worm (22) is fixedly connected to the outer side of the center position of the second transmission rod (19); a second fixed plate (23) is fixedly connected to one side of the first fixed plate (20); a second servo motor (24) is fixedly connected to the top of the second fixed plate (23); a second worm gear (25) is fixedly connected to the output end of the second servo motor (24); and the first worm (22) is meshingly connected to the second worm gear (25). 5.如权利要求3所述的一种抱箍式管桩吊装装置,其特征在于:所述滑动板(21)的底端固定连接有第三固定板(26);所述第三固定板(26)的一侧固定连接有第三伺服电机(27);所述第三伺服电机(27)的输出端固定连接有第三传动齿轮(28);所述第三传动齿轮(28)的底端啮合连接有长形齿条(29);所述长形齿条(29)的底端固定连接有支撑架(30)。5. A clamp-type pipe pile lifting device as described in claim 3, characterized in that: the bottom end of the sliding plate (21) is fixedly connected to a third fixed plate (26); one side of the third fixed plate (26) is fixedly connected to a third servo motor (27); the output end of the third servo motor (27) is fixedly connected to a third transmission gear (28); the bottom end of the third transmission gear (28) is meshedly connected to a long rack (29); the bottom end of the long rack (29) is fixedly connected to a support frame (30). 6.如权利要求3所述的一种抱箍式管桩吊装装置,其特征在于:所述滑动板(21)的顶端其转动滑轮(18)的上方固定连接有防护板(31)。6. A clamp-type pipe pile lifting device as claimed in claim 3, characterized in that a protective plate (31) is fixedly connected to the top of the sliding plate (21) above the rotating pulley (18). 7.如权利要求5所述的一种抱箍式管桩吊装装置,其特征在于:所述支撑架(30)的底端固定连接有安装板(32);所述安装板(32)的内部开设多个安装孔(33)。7. A clamp-type pipe pile hoisting device according to claim 5, characterized in that: a mounting plate (32) is fixedly connected to the bottom end of the support frame (30); and a plurality of mounting holes (33) are provided inside the mounting plate (32).
CN202421715452.3U 2024-07-19 2024-07-19 A hoop type pipe pile lifting device Active CN222960991U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202421715452.3U CN222960991U (en) 2024-07-19 2024-07-19 A hoop type pipe pile lifting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202421715452.3U CN222960991U (en) 2024-07-19 2024-07-19 A hoop type pipe pile lifting device

Publications (1)

Publication Number Publication Date
CN222960991U true CN222960991U (en) 2025-06-10

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CN202421715452.3U Active CN222960991U (en) 2024-07-19 2024-07-19 A hoop type pipe pile lifting device

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Country Link
CN (1) CN222960991U (en)

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