Hanger system

Abstract

The invention discloses a hanging rack system which comprises an upper hanging rack and a lower hanging rack, the upper hanging rack is of a steel frame structure, the lower hanging rack is of a vertical rod structure, the lower hanging rack is connected to the bottom of the upper hanging rack, and the upper hanging rack comprises a plurality of multi-span units and a plurality of single-span units; lateral connecting structures are arranged on the two sides of the multi-span units and the two sides of the single-span units. The lateral connecting structures are used for connection between the multi-span units, connection between the single-span units and connection between the multi-span units and the single-span units. The hanging rack system is divided into the upper hanging rack and the lower hanging rack which are different in structure, only the lower hanging rack is of a traditional vertical rod type hanging rack structure, the number of vertical rods in the hanging rack system is effectively reduced, the whole hanging rack system is simplified, the safety and reliability of the hanging rack system are improved, meanwhile, the upper hanging rack is formed by assembling a plurality of unit structures, and the structure is simple. And the mounting convenience of the hanger system is improved.

Description

Technical Field

[0001] This application relates to the technical field of reinforced concrete construction, and particularly relates to a hanging scaffold system. Background Art

[0002] Currently, existing hanging scaffold systems are all composed of structures such as vertical poles, horizontal bars, walkway boards, turning boards, stairs, and external protective nets. The hanging scaffold system is formed by bolt connection. When in use, by hanging the movable sliding beam under the steel platform, the hanging scaffold system can achieve vertical synchronous construction of multiple processes such as steel bar binding, formwork installation, concrete curing, and steel cup hole repair.

[0003] For existing conventional hanging scaffold systems, there are various problems. For example, the vertical poles are too dense, affecting the turnover of steel bars. Another example is that the hanging scaffold cannot be stacked, affecting the operation efficiency. Also, when the same - floor hanging scaffold passes through the stairs, the protection is not in place, and the types of guardrails are single, resulting in a low level of safety protection. Summary of the Invention

[0004] The purpose of the embodiments of this application is to provide a hanging scaffold system to solve the technical problems of low operation efficiency and low safety protection performance in the traditional hanging scaffold system in related technologies.

[0005] The embodiments of this application provide a hanging scaffold system, including: an upper hanging scaffold and a lower hanging scaffold. Among them, the upper hanging scaffold is a steel frame structure, the lower hanging scaffold is a vertical pole structure, the lower hanging scaffold is connected to the bottom of the upper hanging scaffold. The upper hanging scaffold includes several multi - span units and several single - span units. Lateral connection structures are provided on both sides of the multi - span units and the single - span units. The lateral connection structures are used for the connection between multi - span units, the connection between single - span units, and the connection between multi - span units and single - span units.

[0006] In the hanging scaffold system provided by the embodiments of this application, including: an upper hanging scaffold and a lower hanging scaffold. Among them, the upper hanging scaffold is a steel frame structure, the lower hanging scaffold is a vertical pole structure, the lower hanging scaffold is connected to the bottom of the upper hanging scaffold. The upper hanging scaffold includes several multi - span units and several single - span units. Connection structures are provided on both sides of the multi - span units and the single - span units. The connection structures are used for the connection between multi - span units, the connection between single - spans, and the connection between multi - span units and two - span units. By dividing the hanging scaffold system into upper and lower hanging scaffolds with different structures, only the lower hanging scaffold is the traditional vertical - pole type hanging scaffold structure, effectively reducing the number of vertical poles in the hanging scaffold system, simplifying the entire hanging scaffold system, improving the safety and reliability of the hanging scaffold system. At the same time, the upper hanging scaffold is assembled based on multiple unit structures, improving the installation convenience of the hanging scaffold system. Description of the Drawings

[0007] Figure 1 It is a schematic diagram of a scenario for operating based on a hanging rack system provided by an embodiment of the present application;

[0008] Figure 2 It is a schematic block diagram of a hanging rack system provided by an embodiment of the present application;

[0009] Figure 3 It is a schematic structural diagram of a three-span unit provided by an embodiment of the present application;

[0010] Figure 4 It is a schematic structural diagram of a two-span unit provided by an embodiment of the present application;

[0011] Figure 5 It is a schematic structural diagram of an upper hanging rack provided by an embodiment of the present application;

[0012] Figure 6 It is a schematic structural diagram of a flap provided by an embodiment of the present application;

[0013] Figure 7 It is a schematic diagram of the direction for the staircase guardrail provided by an embodiment of the present application to be flipped;

[0014] Figure 8 It is a schematic structural diagram of a partial area of the upper hanging rack provided by an embodiment of the present application;

[0015] Among them, 1 is the upper hanging rack, 2 is the lower hanging rack, 101 is the three-span unit, 102 is the two-span unit, 103 is the lateral connection structure, 1011 is the first left unit, 1012 is the middle unit, 1013 is the first right unit, 1021 is the second left unit, 1022 is the second right unit, 104 is the first tie rod structure, 105 is the second tie rod structure, 3 is the first-layer hanging rack, 4 is the second-layer hanging rack, 5 is the third-layer hanging rack, 6 is the first connecting staircase, 7 is the second connecting staircase, 8 is the flap, 9 is the flap hinge seat, 10 is the staircase guardrail, 11 is the rigid guardrail, and 12 is the flexible guardrail. Detailed implementation manners

[0016] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.

[0017] It should be understood that the various steps recorded in the method embodiments of the present disclosure may be executed in different orders and / or in parallel. In addition, the method embodiments may include additional steps and / or omit the steps shown. The scope of the present disclosure is not limited in this regard.

[0018] As used herein, the term "including" and its variations are open-ended, i.e., "including but not limited to". The term "based on" means "at least partially based on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description.

[0019] In the prior art, existing hanging scaffold systems are all composed of structures such as vertical poles, horizontal bars, walkway boards, tipping boards, stairs, and outer protective nets. The hanging scaffold system is formed by bolting, and the structure of the hanging scaffold system obtained by this combination method can be called a vertical pole structure. When in use, by hanging the movable sliding beam under the steel platform, the hanging scaffold system can achieve multi-process vertical synchronous construction such as steel bar binding, formwork installation, concrete curing, and steel cup hole repair. Due to various problems, such as too dense vertical poles affecting the turnover of steel bars, the hanging scaffold being unable to bear loads and affecting the operation efficiency, and the lack of proper protection when the same-layer hanging scaffold passes through the stairs, and the single type of protective fence, the safety protection level is relatively low.

[0020] To solve the technical problems existing in the related art, an embodiment of the present application provides a hanging scaffold system. Please refer to Figures 1 to 8 , in combination with Figures 1 to 8 to explain the hanging scaffold system provided by the embodiment of the present application. Specifically, referring to Figure 1 , Figure 1 is a schematic diagram of a scenario based on the operation of the hanging scaffold system provided by the embodiment of the present application. Among them, based on Figure 1 the operation scenario shown, the hanging scaffold system includes: an upper hanging scaffold 1 and a lower hanging scaffold 2. Among them, the upper hanging scaffold 1 is a steel frame structure, the lower hanging scaffold 2 is a vertical pole structure, the lower hanging scaffold 2 is connected to the bottom of the lower hanging scaffold 1, the upper hanging scaffold 1 includes a plurality of multi-span units and a plurality of single-span units, and lateral connection structures 103 are provided on both sides of the multi-span units and the single-span units. The lateral connection structures 103 are used for connecting between multi-span units, connecting between single-span units, and connecting between multi-span units and single-span units.

[0021] Among them, in Figure 1 the operation scenario shown, the hanging scaffold system is connected to the steel platform. Specifically, the upper hanging scaffold 1 in the hanging scaffold system is connected to the steel platform, and at the same time, the lower hanging scaffold 2 is connected to the bottom of the upper hanging scaffold 1 to form the overall hanging scaffold system.

[0022] In one embodiment, the hanger system can be divided into two parts with different structures, including the upper hanger 1 and the lower hanger 2. The upper hanger 1 is a steel frame structure, while the lower hanger 2 is a vertical pole structure. For the upper hanger 1 with a steel frame structure, it has better stability and can provide a more stable and safe working environment for the operation of the hanging machine system. At the same time, the lower hanger 2 with a vertical pole structure can also well meet various hanger requirements. The lower hanger 2 is connected to the bottom of the upper hanger 1, and the specific connection method is not limited. For example, it can be connected by using a pin shaft method.

[0023] Exemplarily, the structural schematic diagram of the hanger system can be as Figure 2 shown. In Figure 2 , the first three layers of the annular structure from top to bottom form the upper hanger 1, and the last two layers form the lower hanger 2. The upper hanger 1 is constructed based on a steel frame structure, and the lower hanger 2 is constructed in the form of vertical poles, which is a traditional hanger structure. By setting two different structures, the number of vertical poles in the hanger system is reduced, the impact of the vertical poles on the safety of the hanger system is reduced, and the operation safety of the hanger system is improved.

[0024] Meanwhile, based on Figure 2 , the upper hanger 1 includes a number of multi-span units and a number of single-span units. Based on the combination of the multi-span units and the single-span units, the entire upper hanger 1 is obtained. Among them, the multi-span unit includes a three-span unit 101 and a two-span unit 102. When the three-span unit 101 and the two-span unit 102 are combined and connected, they are connected by using a lateral connection structure 103 provided on the sides of the three-span unit 101 and the two-span unit 102. Among them, the lateral connection structure 103 can be a bolt structure and is provided on the sides of the three-span unit 101 and the two-span unit 102 at the same time.

[0025] It should be noted that the multi-span unit can be other than the three-span unit 101 and the two-span unit 102 described above, such as a four-span unit, a five-span unit, etc., which can be specifically constructed and set according to requirements, and the multi-span units can be spliced with each other.

[0026] Furthermore, referring to Figure 3 , Figure 3 is a structural schematic diagram of a three-span unit provided by an embodiment of the present application. Among them, the three-span unit 101 includes a first left unit 1011, an intermediate unit 1012, and a first right unit 1013. One side of the first left unit 1011 is connected to one side of the intermediate unit 1012 based on a bolt method, and the other side of the intermediate unit 1012 is connected to one side of the first right unit 1013 based on a bolt method.

[0027] Exemplarily, as Figure 3As shown, the three-span unit 101 can be split into three parts, and the three parts can be combined. Specifically, the three-span unit 101 is split into a first left unit 1011, a middle unit 1012, and a first right unit 1013. At the same time, corresponding connection structures are provided on the sides of the first left unit 1011, the middle unit 1012, and the first right unit 1013 to realize the connection between the first left unit 1011 and the middle unit 1012, and to realize the connection between the middle unit 1012 and the first right unit 1013. When connecting to each other, a bolt connection method is adopted.

[0028] Further, referring to Figure 4 , Figure 4 FIG. is a schematic structural diagram of a two-span unit provided by an embodiment of the present application. Among them, the two-span unit 102 includes a second left unit 1021 and a second right unit 1022, and one side of the second left unit 1021 is connected to one side of the second right unit 1022 based on a bolt connection method.

[0029] Exemplarily, the two-span unit 102 is composed of two left and right structures combined. Compared with the three-span unit 101, the two-span unit 102 lacks an intermediate structural unit. Therefore, the two-span unit 102 includes a second left unit 1021 and a second right unit 1022, and the two units can also be connected based on a bolt connection method.

[0030] For the three-span unit 101 and the two-span unit 102, they can be assembled separately, and then after a single unit (such as the three-span unit 101 or the two-span unit 102) is assembled, a combination process can be carried out, such as connecting the three-span unit 101 to the three-span unit 101, or connecting the three-span unit 101 to the two-span unit 102 to obtain the upper hanging rack 1.

[0031] Similarly, for the first left unit 1011 and the first right unit 1013 that make up the three-span unit 101 and the second left unit 1021 and the second right unit 1022 of the two-span unit 102, they can be the same structural units. That is, for the three-span unit 101 and the two-span unit 102, the difference is that the three-span unit 101 has an additional middle unit 1012.

[0032] Further, as Figure 3 shown, a first tie rod structure 104 is provided at the top of the first left unit 1011 and the first right unit 1013, and the first left unit 1011 and the first right unit 1013 are fixedly connected to the steel platform based on the first tie rod structure 104.

[0033] Exemplarily, the upper hanging rack 1 in the hanging rack system needs to be connected to the working platform. Combining Figure 1In the operation scenario shown, a corresponding connection structure is provided on the upper hanger 1. Based on the structure of the upper hanger 1, a first tie rod structure 104 is provided at the tops of the first left unit 1011 and the first right unit 1013, and the first tie rod structure 104 can be provided at the end side, specifically as Figure 3 shown. Then, the three-span unit 101 in the upper hanger 1 is fixed to the steel platform by using the provided first tie rod structure 104.

[0034] Furthermore, as Figure 4 shown, a second tie rod structure 105 is provided at the tops of the second left unit 1021 and the second right unit 1022, and the second left unit 1021 and the second right unit 1022 are fixedly connected to the steel platform based on the second tie rod structure 105.

[0035] Exemplarily, like the three-span unit 101, the two-span unit 102 also needs to be provided with a corresponding connection structure to connect to the steel platform. Therefore, a second tie rod structure 105 is provided at the tops of the second left unit 1021 and the second right unit, and then the two-span unit 102 in the upper hanger 1 is fixed to the steel platform by using the provided second tie rod structure.

[0036] Similarly, the second tie rod structure 105 provided at the top can be provided at both ends of the two-span unit 102.

[0037] Furthermore, referring to Figure 5 , Figure 5 is a schematic structural diagram of the upper hanger provided by an embodiment of the present application. Specifically, the upper hanger 1 includes a first-layer hanger 3, a second-layer hanger 4, and a third-layer hanger 5, and a first connecting staircase 6 and a second connecting staircase 7 are provided on the upper hanger 1. The first connecting staircase 6 connects the first-layer hanger 3 and the second-layer hanger 4, and one end of the first connecting staircase 6 is fixedly connected to the first-layer hanger 3, and the other end of the first connecting staircase 6 is fixedly connected to the second-layer hanger 4. The second connecting staircase 7 connects the second-layer hanger 4 and the third-layer hanger 5, and one end of the second connecting staircase 7 is fixed to the second-layer hanger 4, and the other end of the second connecting staircase 7 is fixedly connected to the third-layer hanger 5.

[0038] Exemplarily, as Figure 5 shown, the upper hanger 1 is a three-layer upper three-layer hanger, and a corresponding staircase structure is provided on the upper hanger 1 to enable operators to move on each layer of the upper hanger 1. Among them, the upper hanger 1 includes a first-layer hanger 3, a second-layer hanger 4, and a third-layer hanger 5. When the operator moves, the provided staircase structure can be used to realize the movement between the first-layer hanger 3, the second-layer hanger 4, and the second-layer hanger 4.

[0039] Among them, the staircase structure connecting the first-layer hanger 3 and the second-layer hanger 4 is called the first staircase structure 6, and the staircase structure connecting the second-layer hanger 4 and the third-layer hanger 5 is called the second staircase structure 7. Based on the set staircase structures, each layer of the upper hanger 1 is connected.

[0040] It should be noted that a corresponding staircase structure (not shown in each figure) is also provided between the upper hanger 1 and the steel platform for the operators to reach the steel platform through the staircase structure.

[0041] Furthermore, when the staircase structure is fixed on the upper hanger 1, the corresponding fixing structure can be used to fix the first connecting staircase 6 and the second connecting staircase 7. Refer to Figure 5 and Figure 6 , the upper hanger 1 further includes a flap 8, and the flap 8 is fixed to the bottoms of the first-layer hanger 3, the second-layer hanger 4, and the third-layer hanger 5 on the upper hanger 1 based on the flap hinge seat 9.

[0042] Exemplarily, flaps 8 are provided on each layer of the upper hanger 1, and the flaps 8 are fixed to the first-layer hanger 3, the second-layer hanger 4, and the third-layer hanger 5 based on the flap hinge seat 9, specifically fixed on both sides of each layer. At the same time, the flaps 8 can be flipped. In the unfolded state, they can be used for operators to walk on the flaps 8, while in the retracted state, they can avoid collisions with other parts.

[0043] Furthermore, as Figure 5 shown, a staircase guardrail 10 is also provided on the upper hanger 1, and the staircase guardrail 10 is provided on both sides of the first connecting staircase 6 and the second connecting staircase 7. The upper hanger 1 includes a first state and a second state. In the first state, the staircase guardrail 11 is in the unfolded state, and in the second state, the staircase guardrail 10 is in the retracted state.

[0044] Exemplarily, in Figure 5 the partial structural schematic diagram shown, on the first connecting staircase 6 and the second connecting staircase 7 provided on the upper hanger 1, a staircase guardrail 10 for safety protection is installed. Specifically, the staircase guardrail 10 is provided on both sides of the first connecting staircase 6 and the second connecting staircase 7.

[0045] In addition, there are two states for the installed staircase guardrail 10, and it changes based on the state of the hanger system. Among them, the hanger system includes a first state and a second state. In the first state, the staircase guardrail 10 is in the unfolded state to provide a protective effect, and in the second state, the staircase guardrail 10 is in the retracted state to facilitate the movement of the hanger system. Specifically, when the hanger system is in use, the staircase guardrail 10 unfolds, and when the hanger system is jacked up, the staircase guardrail 10 folds back to avoid structural interference or collisions.

[0046] Moreover, when the stair guardrail 10 changes its state, the stair guardrail 10 flips to meet the requirements of different states of the hanging rack system. Among them, the flipping direction of the stair guardrail 10 can be as Figure 7 shown by the arrow in Figure 7 a schematic diagram of a certain layer of the upper hanging rack 1 in the top view state. In the top view state, the arrow direction is clockwise and counterclockwise, and the stair guardrail 10 can be folded back or retracted regardless of the clockwise or counterclockwise direction. At the same time, when the stair guardrail 10 is in the folded-back state, the stair guardrail 10 can be fixed by means of a pin shaft, which can be referred to Figure 5 . Taking the first-layer hanging rack 3 as an example, for example, pin holes are provided at positions A and B on the stair guardrail 10, and at the same time, pin holes are provided at positions C and D at the connection between the stair guardrail 10 and the first-layer hanging rack 3. When the stair guardrail 10 is folded back in the clockwise direction, positions A and C correspond, and at this time, the stair guardrail 10 is fixed at positions A and C by means of a pin shaft. When the stair guardrail 10 is folded back in the counterclockwise direction, positions B and D correspond, and the stair guardrail 10 is fixed at positions B and D by means of a pin shaft.

[0047] Furthermore, referring to Figure 8 , Figure 8 is a schematic structural diagram of a partial area of the upper hanging rack provided by an embodiment of the present application. Among them, the upper hanging rack 1 further includes a rigid guardrail 11 and a flexible guardrail 12. Among them, the rigid guardrail 11 is installed on the third-layer hanging rack 5, and the flexible guardrail 12 is installed on the first-layer hanging rack 3 and the second-layer hanging rack 4.

[0048] Exemplarily, a rigid guardrail 11 and a flexible guardrail 12 are also installed and provided on the upper hanging rack 1. Since the height of the topmost layer is relatively high and there is a higher operation risk specifically, the rigid guardrail 11 is installed on the topmost layer of the upper hanging rack 1, that is, installed on the third-layer hanging rack 5. At the same time, the flexible guardrail 12 is installed on the first-layer hanging rack 3 and the second-layer hanging rack 4. Due to the characteristics of the flexible guardrail 12, it can provide certain convenience for the operation.

[0049] Furthermore, as Figure 2 shown, the lower hanging rack 2 can be the lower two layers of a two-layer lower hanging rack. A connection structure is provided at the top of the lower hanging rack 1, and the lower hanging rack 2 is pin-connected to the bottom of the upper hanging rack 1 based on the connection structure.

[0050] Exemplarily, based on Figure 1In the shown working scenario, the upper hanging rack 1 is connected to the lower hanging rack 2. Specifically, it can be pin-connected by using the connection structure provided at the top of the lower hanging rack 2 and the bottom of the upper hanging rack 1. That is, the connection structure of the uppermost layer of the upper two-layer hanging rack is used to perform pin connection with the lowermost layer of the lower three-layer hanging rack (i.e., the upper hanging rack 1).

[0051] In addition, a corresponding staircase structure (not shown in each figure) can be provided between two layers on the lower hanging rack 2 for the operators to move up and down between the layers. At the same time, a corresponding staircase structure is also provided between the uppermost layer of the lower hanging rack 2 and the lowermost layer of the upper hanging rack 1 (i.e., the first-layer hanging rack 3) for the operators to move up and down between the layers of the entire hanging rack system.

[0052] In summary, the present application discloses a hanging rack system, including: an upper hanging rack and a lower hanging rack. Among them, the upper hanging rack is a steel frame structure, the lower hanging rack is a vertical rod structure, the lower hanging rack is connected to the bottom of the upper hanging rack. The upper hanging rack includes a plurality of multi-span units and a plurality of single-span units. Connection structures are provided on both sides of the multi-span units and the single-span units for connecting between the multi-span units, connecting between the single-spans, and connecting to the multi-lower hanging racks. Only the lower hanging rack is a traditional vertical rod type hanging rack structure, effectively reducing the number of vertical rods in the hanging rack system, simplifying the entire hanging rack system, improving the safety and reliability of the hanging rack system. At the same time, the upper hanging rack is assembled based on multiple unit structures, improving the installation convenience of the hanging rack system.

[0053] The above has introduced in detail a hanging rack system provided by an embodiment of the present application. Specific examples are used in this article to elaborate on the principle and implementation manner of the present application. The description of the above embodiments is only used to help understand the method and its core idea of the present application; at the same time, for those skilled in the art, according to the idea of the present application, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present application. And for those of ordinary skill in the technical field, without departing from the principle of the present application, several improvements and retouches can be made, and these improvements and retouches are also regarded as the protection scope of the present application.

Claims

1. A hanger system, characterized in that, Comprising: An upper hanger and a lower hanger, wherein the upper hanger is of a steel frame structure, the lower hanger is of a vertical rod structure, the lower hanger is connected to the bottom of the upper hanger, the upper hanger includes a plurality of multi-span units and a plurality of single-span units, and lateral connection structures are provided on both sides of the multi-span units and the single-span units, and the lateral connection structures are used for the connection between the multi-span units, the connection between the single-span units, and the connection between the multi-span units and the single-span units.

2. The hanger system according to claim 1, wherein The multi-span units include three-span units and two-span units. Among them, the three-span unit includes a first left unit, an intermediate unit, and a first right unit. One side of the first left unit is connected to one side of the intermediate unit in a bolted manner, and the other side of the intermediate unit is connected to one side of the first right unit in a bolted manner.

3. The hanger system according to claim 2, wherein, The two-span unit includes a second left unit and a second right unit, and one side of the second left unit is connected to one side of the second right unit in a bolted manner.

4. The hanger system according to claim 2, wherein, First tie rod structures are provided at the tops of the first left unit and the first right unit, and the first left unit and the first right unit are fixedly connected to the steel platform based on the first tie rod structures.

5. The hanger system according to claim 3, wherein Second tie rod structures are provided at the tops of the second left unit and the second right unit, and the second left unit and the second right unit are fixedly connected to the steel platform based on the second tie rod structures.

6. The hanger system according to claim 1, characterized in that, The upper hanger includes a first-layer hanger, a second-layer hanger, and a third-layer hanger, and a first connecting staircase and a second connecting staircase are provided on the upper hanger. The first connecting staircase connects the first-layer hanger and the second-layer hanger, and one end of the first connecting staircase is fixedly connected to the first-layer hanger, and the other end of the first connecting staircase is fixedly connected to the second-layer hanger. The second connecting staircase connects the second-layer hanger and the third-layer hanger, and one end of the second connecting staircase is fixed to the second-layer hanger, and the other end of the second connecting staircase is fixedly connected to the third-layer hanger.

7. The hanger system according to claim 6, characterized in that The upper hanger further includes a flap, and the flap is fixed to the bottoms of the first-layer hanger, the second-layer hanger, and the third-layer hanger based on a flap hinge seat.

8. The hanger system according to claim 6, wherein, A staircase guardrail is further provided on the upper hanger, and the staircase guardrail is provided on both sides of the first connecting staircase and the second connecting staircase. The upper hanger includes a first state and a second state. In the first state, the staircase guardrail is in an unfolded state, and in the second state, the staircase guardrail is in a retracted state.

9. The hanger system according to claim 6, wherein The upper hanger further includes a rigid guardrail and a flexible guardrail. Among them, the rigid guardrail is installed on the third-layer hanger, and the flexible guardrail is installed on the first-layer hanger and the second-layer hanger.

10. The hanger system according to claim 1, characterized in that, The lower hanger includes a lower two-layer hanger. A connection structure is provided at the top of the lower hanger, and the lower hanger is pin-connected to the bottom of the upper hanger based on the connection structure.

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