CN221235926U - Safety device is used in construction of triangle hanging basket - Google Patents
Safety device is used in construction of triangle hanging basket Download PDFInfo
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- CN221235926U CN221235926U CN202323215853.0U CN202323215853U CN221235926U CN 221235926 U CN221235926 U CN 221235926U CN 202323215853 U CN202323215853 U CN 202323215853U CN 221235926 U CN221235926 U CN 221235926U
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- connecting rod
- hanging basket
- frame
- assembly
- safety device
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- 238000010276 construction Methods 0.000 title claims abstract description 37
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 230000001012 protector Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 18
- 230000033001 locomotion Effects 0.000 claims description 15
- 230000000670 limiting effect Effects 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 10
- 239000010410 layer Substances 0.000 description 8
- 230000002829 reductive effect Effects 0.000 description 8
- 241000227645 Triplaris cumingiana Species 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005562 fading Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000008733 trauma Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a safety protection device for triangular hanging basket construction, which comprises a protection device body, wherein the protection device body is fixed at the edge of a triangular hanging basket, and comprises a frame assembly which can be expanded and contracted along the length direction of the frame assembly; and a protective pad removably disposed within the frame assembly. The utility model discloses a set up the frame subassembly, this frame subassembly can follow self length direction expansion that stretches out and draws back, therefore can adjust protector according to the width of the bridge of actual construction to make bridge width less than equal protector's length, and then avoid appearing the safety protection blind area, improve the security of hanging basket construction.
Description
Technical Field
The utility model relates to the technical field of safety construction, in particular to a safety protection device for triangular hanging basket construction.
Background
The hanging basket has the characteristics of light dead weight, simple structure, firmness, stability, convenient forward movement and assembly and disassembly, strong reusability, small deformation after stress and the like, has sufficient space under the hanging basket, can provide a larger construction working surface, is beneficial to the construction operation of the reinforced bar template, and is main equipment in cantilever construction such as continuous beams and the like. The existing beam body is provided with a hanging basket running sliding beam, the hanging basket running sliding beam is fixed with the beam body through an embedded part, the hanging basket is arranged on the hanging basket running sliding beam, and the hanging basket running sliding beam is further provided with an oil pump and a long jack for driving the hanging basket to move. However, since the hanging basket is not provided with a safety protection device, when an operator carries out construction operation on the hanging basket, if the operator falls from the hanging basket carelessly, life danger is easy to occur, so that great potential safety hazard exists.
Therefore, the prior art proposes a hanging basket with a safety protection device and a publication number of CN210194447U, and the technical scheme is as follows: the lifting device comprises a hanging basket and a hanging basket travelling slide beam arranged on a bridge beam body, wherein the hanging basket is of a triangular structure, a supporting plate is fixedly connected to the hanging basket at a middle supporting point along the vertical direction, a long jack used for driving the hanging basket to move forwards is arranged on the hanging basket travelling slide beam, the output end of the long jack is fixedly connected to the supporting plate, the bottom end of the supporting plate and one end, close to the long jack, of the hanging basket are both connected to the hanging basket travelling slide beam in a sliding manner, a workbench is arranged on the hanging basket, and a protective fence is arranged on the edge of the workbench on the hanging basket; the method has the technical effects that: the device has the advantages that the device plays a role in blocking an operator carelessly falling down from the workbench, and the possibility of life danger caused by falling down of the operator from the workbench is reduced.
However, the protection device in the hanging basket has the following defects that the width of the bridge is not the same in the actual construction process, so that when the width of the construction bridge is larger than that of the protection device, the protection range is incomplete, and the protection device has a certain potential safety hazard.
Disclosure of utility model
Therefore, in order to solve the above-mentioned shortcomings, the present utility model provides a safety device for triangular hanging basket construction, comprising a protective device body fixed at the edge of the triangular hanging basket, the protective device body comprises a frame component which can expand and contract along the length direction; and a protective pad removably disposed within the frame assembly.
The utility model discloses a set up the frame subassembly, this frame subassembly can follow self length direction expansion that stretches out and draws back, therefore can adjust protector according to the width of the bridge of actual construction to make bridge width less than equal protector's length, and then avoid appearing the safety protection blind area, improve the security of hanging basket construction.
In order to improve the safety protection effect of the device, preferably, the protection pad comprises an air buffer layer, an outer wrapping layer and a flexible protection layer from inside to outside. Impact generated when workers fade is buffered through the air buffer layer, so that reverse impact received when workers contact with the protective pad is reduced, the flexible protective layer can reduce trauma received by the workers in the fading process, and the protective effect on the workers is improved.
In order to achieve an extended extension of the frame assembly, it is preferred that the frame assembly comprises two sets of half frames; and several connecting rods, several the connecting rod sets up between above-mentioned two sets of half frames, the connecting rod includes linkage segment and changeover portion, the linkage segment symmetry sets up in the both ends of changeover portion, and this linkage segment is wrapped up in the horizontal frame roof beam of above-mentioned half frame, and from the open side of half frame extends to along self axis direction in the horizontal frame roof beam, half frame can be relative the connecting rod is followed the axis direction motion of this connecting rod. The half frames are slid in the direction normal to the two end faces of the connecting rod, so that the transverse length of the whole frame assembly is increased, the bridge length of actual construction is adapted, or the length or the width of a workbench on the hanging basket is adapted, the safety protection blind area is avoided, and the safety of hanging basket construction is improved.
In order to realize automatic expansion of the frame assembly, preferably, the protecting device body further comprises a power assembly configured to drive the half frame to move along the axis direction of the connecting rod, and the power assembly comprises a power device; the belt pulley transmission mechanism drives the belt pulley transmission mechanism to move through the power device; and the sliding seat is fixedly connected with a belt in the belt pulley transmission mechanism, and the half frame is fixedly arranged on the sliding seat. The belt wheel in the belt wheel transmission mechanism is driven to rotate through the power device, so that the belt is driven to move, the sliding seat is driven to move, the half frame moves linearly along with the sliding seat, and automatic expansion of the frame assembly is realized.
In order to avoid the risk of overstroke of the carriage, it is preferred that the power assembly further comprises a stop means arranged in correspondence of the carriage, which stop means are arranged in a preset maximum travel position. When the sliding seat moves to the maximum stroke position and touches the limiting device, the limiting device sends out to the control circuit, so that the control circuit controls the power device to stop working, and the sliding seat is prevented from overtravel movement to be dangerous.
In order to improve the stability of the device and avoid that the stability of the structure of the device is affected by a large shock caused by the large shock, the safety protection device preferably further comprises a hydraulic buffer configured to buffer the shock to which the frame is subjected. When the workman declines and falls on the protection pad, the impact that produces can be consumed by hydraulic buffer to reduce the vibration that the device receives, and then avoid leading to its great vibrations to take place to influence the stability of device structure because of receiving great impact back.
In order to enhance the supporting strength of the frame assembly, preferably, the safety protection device further comprises an auxiliary supporting assembly configured to enhance the vertical supporting strength of the frame assembly, the auxiliary supporting assembly can linearly move along with the half frame, and the auxiliary supporting assembly comprises a first connecting rod, and one end of the first connecting rod is fixedly connected with the bottom of the half frame; a second link having one end pivotally connected to one end of the first link remote from the half frame; the fixed plate can move along the movement direction of the half frame and is pivotally connected with one end of the second connecting rod far away from the first connecting rod; and the hydraulic buffer cylinder is arranged between the first connecting rod and the second connecting rod, and the hydraulic buffer cylinder, the first connecting rod and the second connecting rod are mutually matched to form a triangular structure. The auxiliary support assembly supports the frame assembly at the bottom of the frame assembly, so that the support strength of the frame assembly is enhanced, meanwhile, when a worker falls on the protection pad, the generated impact can enable the first connecting rod to be pressed down, so that the first connecting rod moves along with the first connecting rod, the angle between the two connecting rods is changed, and the hydraulic buffer cylinder arranged between the first connecting rod and the second connecting rod is compressed or stretched, so that the hydraulic buffer cylinder continuously consumes energy in the process and is matched with the hydraulic buffer, vibration of the device is reduced, and the phenomenon that the stability of the structure of the device is affected by large vibration caused by the large impact is avoided.
The utility model has the following advantages:
The utility model discloses a set up the frame subassembly, this frame subassembly can follow self length direction expansion that stretches out and draws back, therefore can adjust protector according to the width of the bridge of actual construction to make bridge width less than equal protector's length, and then avoid appearing the safety protection blind area, improve the security of hanging basket construction.
Impact generated when workers fade is buffered through the air buffer layer, so that reverse impact received when workers contact with the protective pad is reduced, the flexible protective layer can reduce trauma received by the workers in the fading process, and the protective effect on the workers is improved.
The half frames are slid in the direction normal to the two end faces of the connecting rod, so that the transverse length of the whole frame assembly is increased, the bridge length of actual construction is adapted, or the length or the width of a workbench on the hanging basket is adapted, the safety protection blind area is avoided, and the safety of hanging basket construction is improved.
The belt wheel in the belt wheel transmission mechanism is driven to rotate through the power device, so that the belt is driven to move, the sliding seat is driven to move, the half frame moves linearly along with the sliding seat, and automatic expansion of the frame assembly is realized.
When the sliding seat moves to the maximum stroke position and touches the limiting device, the limiting device sends out to the control circuit, so that the control circuit controls the power device to stop working, and the sliding seat is prevented from overtravel movement to be dangerous.
When the workman declines and falls on the protection pad, the impact that produces can be consumed by hydraulic buffer to reduce the vibration that the device receives, and then avoid leading to its great vibrations to take place to influence the stability of device structure because of receiving great impact back.
The auxiliary support assembly supports the frame assembly at the bottom of the frame assembly, so that the support strength of the frame assembly is enhanced, meanwhile, when a worker falls on the protection pad, the generated impact can enable the first connecting rod to be pressed down, so that the first connecting rod moves along with the first connecting rod, the angle between the two connecting rods is changed, and the hydraulic buffer cylinder arranged between the first connecting rod and the second connecting rod is compressed or stretched, so that the hydraulic buffer cylinder continuously consumes energy in the process and is matched with the hydraulic buffer, vibration of the device is reduced, and the phenomenon that the stability of the structure of the device is affected by large vibration caused by the large impact is avoided.
Drawings
FIG. 1 is a schematic view of the structure of a safety shield apparatus body;
FIG. 2 is a schematic longitudinal cross-sectional view of the safety shield apparatus body shown in FIG. 1;
FIG. 3 is a schematic view of the structure of the frame assembly in the safety shield apparatus body shown in FIG. 1;
FIG. 4 is a schematic view of the structure of the half-frame of the frame assembly of FIG. 3;
FIG. 5 is a schematic view of the structure of the connecting rod in the frame assembly of FIG. 3;
FIG. 6 is a schematic partial cross-sectional view of a protective pad in the safety shield apparatus body shown in FIG. 1;
FIG. 7 is a schematic view of the power assembly of the safety shield apparatus body shown in FIG. 1;
FIG. 8 is a schematic view of the auxiliary support assembly of the safety shield apparatus body shown in FIG. 1;
Fig. 9 is a schematic view of the mounting guard body of fig. 1 mounted on a triangular hanging basket.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
As described in the background art, since the width of the bridge is not the same in the actual construction process, when the width of the construction bridge is greater than the width of the protection device, the protection range is not complete, so that a certain potential safety hazard is provided.
Example 1
The embodiment provides a safety device for triangular hanging basket construction, which comprises a protective device body 200. As shown in fig. 1, the protective device body 200 includes a frame assembly 220 and a protective pad 230, wherein the frame assembly 220 is telescopically expandable along a length direction thereof, and the protective pad 230 is removably disposed in the frame assembly 220.
As shown in fig. 6, the protective pad 230 includes an air buffer layer 231, an outer cover layer 232, and a flexible protective layer 233 from inside to outside.
As shown in fig. 3 to 5, the frame assembly 220 includes two sets of half frames 221 and a plurality of connecting rods 222, the plurality of connecting rods 222 are disposed between the two sets of half frames 221, the connecting rods 222 include connecting sections 222A and transition sections 222B, the connecting sections 222A are symmetrically disposed at two ends of the transition sections 222B, the connecting sections 222A are wrapped in the transverse frame beams 221A of the half frames, and extend from the open sides of the half frames into the transverse frame beams 221A along the axial direction thereof, and the half frames 221 can move along the axial direction of the connecting rods relative to the connecting rods 222.
The utility model discloses a set up frame assembly 220, this frame assembly 220 can follow the flexible extension of self length direction, therefore can adjust protector according to the width of the bridge of actual construction to make bridge width less than equal protector's length, and then avoid appearing the safety protection blind area, improve the security of hanging basket construction. The half frames 221 are slid along the direction normal to the two end surfaces of the connecting rod, so that the transverse length of the whole frame assembly is increased to be adapted to the length of a bridge under actual construction, or the length or the width of a workbench on the hanging basket, thereby avoiding occurrence of safety protection dead zones and improving the safety of hanging basket construction. When a worker fades, the air buffer layer of the protective pad can buffer and absorb the impact generated when the worker fades, so that the reverse impact received when the worker contacts the protective pad 230 is reduced, the trauma received by the worker in the fading process can be reduced by the flexible protective layer 233, and the protective effect on the worker is improved.
In addition, the safety shield apparatus in this embodiment may further include a connection plate 210, as shown in fig. 9, by which the entire safety shield apparatus is fixedly mounted at the edge of the pannier by welding, bolting or other form of fixed connection of the connection plate 210 to the edge of the pannier. At this time, the frame assembly can be mounted on the connecting plate, the transition section of the connecting rod is fixedly mounted on the side surface of the connecting plate, and the half frame can be in sliding connection with the connecting plate through a guide rail assembly or a guide rod.
Example 2
Since the manual expansion of the frame assembly is time consuming and laborious and inconvenient to adjust, this embodiment proposes an improvement over embodiment 1 in order to solve this technical problem.
As shown in fig. 2, the protection device body 200 in this embodiment further includes a power assembly 260 configured to drive the half-frame to move along the axis direction of the connecting rod, as shown in fig. 7, the power assembly 260 includes a power device 261, a pulley transmission mechanism 262 and a sliding seat 264, wherein the pulley transmission mechanism 262 is connected to an output end of the power device, the power device 261 includes, but is not limited to, a servo motor, a stepping motor or other devices capable of realizing the movement of the pulley transmission mechanism 262, the manner of keeping the pulley transmission mechanism 262 connected to the power device includes, but is not limited to, a direct connection, a gear transmission mechanism connection, a bevel gear transmission mechanism connection or other connection manners capable of realizing the movement of the pulley transmission mechanism, the sliding seat 264 is fixedly connected to a belt in the pulley transmission mechanism 262, the linear movement of the sliding seat 264 is realized through the linear movement of the belt, and the half-frame 221 is fixedly mounted on the sliding seat 264.
In the embodiment, the belt wheel in the belt wheel transmission mechanism is driven to rotate through the power device, so that the belt is driven to move, the sliding seat 264 is driven to move, the half frame moves linearly along with the sliding seat 264, and therefore automatic expansion of the frame assembly is achieved.
In addition, the power assembly 260 may further include a fixing seat 263, the pulley transmission mechanism, the power device and the sliding seat may be mounted on the fixing seat 263, and the whole power assembly 260 may be mounted on the connecting plate through the fixing seat 263. In addition, a guide rail 266 extending in the moving direction of the half frame may be provided on the fixed seat 263, and the slide seat 263 may be slidably connected to the guide rail, and the guide rail 266 guides the movement of the slide seat 263.
In order to avoid the risk of the carriage moving beyond the stroke, the power assembly 260 of the present embodiment may further include a limiting device 265 disposed corresponding to the carriage 264, where the limiting device 265 is disposed at a preset maximum stroke position. When the sliding seat moves to the maximum stroke position and touches the limiting device 265, the limiting device sends out to the control circuit, so that the control circuit controls the power device to stop working, and the sliding seat is prevented from overtravel movement to be dangerous.
In addition to the linear motion of the half frame realized by the power assembly with the structure, a screw rod transmission structure, a gear rack transmission structure, an air cylinder, a hydraulic cylinder, an electric cylinder or other devices or structures capable of realizing the linear motion of the half frame can be adopted.
Example 3
When a worker carelessly fades to the protective pad, the protective device can vibrate, and therefore structural stability of the protective device is affected.
Therefore, in order to improve the stability of the device and avoid that the stability of the structure of the device is affected by a large shock caused by a large impact, the present embodiment provides an improvement on the above embodiment, and as shown in fig. 2, the safety protection device in the present embodiment further includes a hydraulic buffer 240 configured to buffer the impact of the frame. When a worker falls on the protection pad, the generated impact is consumed by the hydraulic buffer 240, so that the vibration of the device is reduced, and the phenomenon that the stability of the structure of the device is affected by the large vibration caused by the large impact is avoided.
In addition, the safety device of the present embodiment may further include a connection block 250 embedded in the connection plate, the power assembly may be fixedly installed on the connection block 250, and the hydraulic buffer 240 may be disposed between the bottom of the connection block 250 and the connection plate 210.
In addition, in order to enhance the supporting strength of the frame assembly, the safety protection device in this embodiment further includes an auxiliary supporting assembly 240 configured to enhance the vertical supporting strength of the frame assembly, the auxiliary supporting assembly 240 can move linearly with the half frame, as shown in fig. 8, the auxiliary supporting assembly 240 includes a first link 241, a second link 243, a fixing plate 244 and a hydraulic buffer cylinder 242, wherein one end of the first link 241 is fixedly connected with the bottom of the half frame 221, one end of the second link 243 is pivotally connected with one end of the first link 241 far from the half frame 221, the fixing plate 244 is slidably connected with the connecting plate through a guide rail assembly, and the fixing plate is pivotally connected with one end of the second link 243 far from the first link 241, the hydraulic buffer cylinder 242 is installed between the first link 241 and the second link 243, and the hydraulic buffer cylinder, the first link 241 and the second link 243 cooperate with each other to form a triangle structure. Support it in the bottom of frame assembly through auxiliary stay subassembly 240 to strengthen the support strength to frame assembly, simultaneously, when the workman declines to the protection when filling up, the impact that produces can make first connecting rod 241 push down, thereby make first connecting rod take place the motion thereupon, cause the angle between two connecting rods to change, thereby compress or tensile hydraulic buffer jar that sets up between first connecting rod and second connecting rod, in this process, the hydraulic buffer jar constantly consumes energy, cooperates with above-mentioned hydraulic buffer, the reduction device receives the vibration, and then avoid leading to its great vibrations to take place to influence the stability of device structure because of receiving behind the great impact.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a safe protection device is used in construction of triangle hanging basket, its characterized in that includes the protector body, and this protector body is fixed at the edge of triangle hanging basket, the protector body includes
The frame assembly can be expanded and contracted along the length direction of the frame assembly; and
And a protective pad removably disposed within the frame assembly.
2. The safety protection device for triangular hanging basket construction according to claim 1, wherein the protection pad comprises an air buffer layer, an outer wrapping layer and a flexible protection layer from inside to outside.
3. The safety device for triangular hanging basket construction according to claim 1, wherein the frame assembly comprises
Two sets of half frames; and
The connecting rods are arranged between the two groups of half frames, each connecting rod comprises a connecting section and a transition section, the connecting sections are symmetrically arranged at two ends of each transition section, each connecting section is wrapped in a transverse frame beam of each half frame, each connecting section extends from the open side of each half frame to the transverse frame beam along the axis direction of each connecting rod, and each half frame can move relative to the connecting rod along the axis direction of each connecting rod.
4. A safety device for use in construction of a triangular hanging basket according to claim 3, wherein the body further comprises a power assembly configured to drive the half frame to move along the axis of the connecting rod.
5. The safety device for triangular hanging basket construction of claim 4 wherein the power assembly comprises
A power device;
the belt pulley transmission mechanism drives the belt pulley transmission mechanism to move through the power device; and
And the sliding seat is fixedly connected with a belt in the belt pulley transmission mechanism, and the half frame is fixedly arranged on the sliding seat.
6. The safety device for triangular hanging basket construction according to claim 5, wherein the power assembly further comprises a limiting device corresponding to the slide seat, and the limiting device is arranged at a preset maximum travel position.
7. The safety device for triangular hanging basket construction according to any one of claims 1 to 6, further comprising a hydraulic buffer configured to buffer the impact of the frame.
8. The safety device for use in constructing a delta basket of claim 7 further comprising an auxiliary support assembly configured to enhance vertical support strength to said frame assembly, the auxiliary support assembly being linearly movable with the half frame.
9. The safety device for triangular hanging basket construction according to claim 8, wherein the auxiliary supporting component comprises a first connecting rod, and one end of the first connecting rod is fixedly connected with the bottom of the half frame;
The auxiliary supporting component also comprises a second connecting rod, wherein one end of the second connecting rod is pivotally connected with one end of the first connecting rod, which is far away from the half frame;
the auxiliary supporting component also comprises a fixed plate which can move along the movement direction of the half frame, and the fixed plate is pivotally connected with one end of the second connecting rod far away from the first connecting rod;
The auxiliary supporting assembly further comprises a hydraulic buffer cylinder, the hydraulic buffer cylinder is arranged between the first connecting rod and the second connecting rod, and the hydraulic buffer cylinder, the first connecting rod and the second connecting rod are mutually matched to form a triangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323215853.0U CN221235926U (en) | 2023-11-28 | 2023-11-28 | Safety device is used in construction of triangle hanging basket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323215853.0U CN221235926U (en) | 2023-11-28 | 2023-11-28 | Safety device is used in construction of triangle hanging basket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221235926U true CN221235926U (en) | 2024-06-28 |
Family
ID=91597246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323215853.0U Active CN221235926U (en) | 2023-11-28 | 2023-11-28 | Safety device is used in construction of triangle hanging basket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221235926U (en) |
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2023
- 2023-11-28 CN CN202323215853.0U patent/CN221235926U/en active Active
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