A decoration frame for interior decoration

By designing a main support structure, a fixed support structure, a lifting support structure, and a traveling structure, the existing decoration scaffolding system has solved the problem of poor mobility. This allows construction workers to directly control the movement and positioning of the decoration scaffolding on the work platform, thereby improving construction efficiency.

CN224532187UActive Publication Date: 2026-07-21SHANDONG ZHONGGONG JIACHUANG ARCHITECTURAL DECORATION DESIGN ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG ZHONGGONG JIACHUANG ARCHITECTURAL DECORATION DESIGN ENG CO LTD
Filing Date
2025-09-01
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing interior decoration scaffolding has poor mobility during fixed linear construction, requiring construction workers to frequently move up and down the scaffolding to adjust its position, resulting in low construction efficiency.

Method used

A decoration rack was designed, comprising a support body, a fixed support structure, a lifting support structure, a walking structure, and a control structure. The lifting and moving of the decoration rack are achieved through a lifting drive device and a walking drive device, and construction workers can directly control the movement and positioning of the decoration rack from the work platform.

Benefits of technology

It improves the flexibility and continuity of construction, significantly enhances the convenience and efficiency of construction, and reduces the need for frequent up-and-down operations of the scaffolding.

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Abstract

The utility model discloses a kind of decoration frames for indoor decoration, including support main body, support main body includes foot hand plate and the support leg of being set to the lower side of four corners of foot hand plate;Fixed support structure, it includes support plate, support plate is horizontally set in the lower part of support leg;Lifting support structure, it includes sliding support and lifting drive device of driving sliding support along support leg sliding;Walking structure, including walking component and walking drive device;Control structure, it is set to the upper side of foot hand plate, control structure includes walking control piece and lifting control piece;Wherein, sliding support is configured to be slidably arranged below support plate, to be lower than the lower end of walking component when the lower end of support leg when sliding support is raised, the lower end of walking component is lower than the lower end of support leg when sliding support is lowered.In fixed straight line construction when in indoor, the existing decoration frame moves poor flexibility, and construction personnel needs to repeatedly go up and down decoration frame to adjust position when operating, leading to the low technical problem of efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of decoration rack technology, and in particular to a decoration rack for interior decoration. Background Technology

[0002] In interior decoration construction, scaffolding is an indispensable auxiliary equipment, mainly used to provide construction workers with a stable working platform to complete high-altitude operations such as wall treatment, ceiling joist installation, and pipeline laying. Currently, the most commonly used scaffolding in interior decoration is traditional scaffolding. While this type of scaffolding provides stable support, its mobility is limited. When construction workers need to complete continuous work along a fixed straight line, such as hoisting and fixing ceiling joists, they often have to complete a section of work on the scaffolding first, then climb down to adjust the scaffolding's position, and then climb back up to continue working. This process is not only cumbersome but also significantly reduces construction efficiency.

[0003] While some existing construction scaffolds have installed wheels underneath to improve mobility, these structures still have limitations: when workers are on the work platform above the scaffold, they cannot directly control the movement of the scaffold; they still need to descend to the ground to adjust their position, push the scaffold, and then climb back up. In addition, some construction scaffolds with mobility features often use complex support and drive structures to ensure stability, resulting in a large overall weight. This makes them very inconvenient to move and adjust their initial position in narrow indoor spaces, making them difficult to adapt to flexible work requirements. Utility Model Content

[0004] In order to overcome the shortcomings of the existing technology, one of the objectives of this utility model is to provide a decoration rack for interior decoration, which solves the technical problem that the existing decoration rack has poor mobility when performing fixed linear construction indoors, and construction workers need to repeatedly move up and down the decoration rack to adjust its position, resulting in low efficiency.

[0005] One of the objectives of this utility model is achieved through the following technical solution: An interior decoration shelf, comprising The main body of the support frame includes scaffold boards and supporting legs disposed at the four corners of the scaffold boards; A fixed support structure includes a support plate, which is horizontally disposed at the lower part of the support leg; A lifting support structure includes a sliding support and a lifting drive device for driving the sliding support to slide along the support leg; A walking structure, including a walking component and a walking drive device for driving the walking component to walk; A control structure is disposed above the scaffold board, and the control structure includes a walking control component and a lifting control component; The sliding bracket is configured to slide below the support plate, such that when the sliding bracket is raised, the lower end of the support leg is lower than the lower end of the walking assembly, and when the sliding bracket is lowered, the lower end of the walking assembly is lower than the lower end of the support leg.

[0006] Based on the above technical solution, the present invention is further described as follows: The support plate includes two sets of long strips, which extend along the short side of the scaffold board. The two ends of each set of long strips are connected to the two supporting legs corresponding to the short side of the scaffold board. The sliding bracket includes two sets of mounting plates, and each set of mounting plates has a sliding sleeve at both ends. The sliding sleeve is configured to be nested and slidably arranged with the support leg.

[0007] As a further optimization of this utility model, the lifting drive device includes a first screw jack, a first worm gear assembly, and a first transmission link. The first screw jack is fixed above the long strip plate, and the lifting end of the first screw jack is connected to the mounting plate. The first worm gear assembly includes a first housing, a vertically arranged first worm, and an axially horizontally arranged first worm wheel. A first transmission link connected to the input shaft of the first screw jack is provided in the middle of the first worm wheel. The lower end of the first transmission link is rotatably connected to the first worm coaxially. The upper end of the first transmission link extends above the scaffold board and is connected to the lifting control component. The lifting control component includes a first rotating handle.

[0008] As a further optimization of this utility model, the first screw jack is provided in two sets, which are respectively arranged above the two sets of long strip plates, and the worm shafts of the two sets of the first screw jacks are coaxially and synchronously arranged through the second transmission connecting rod.

[0009] As a further optimization of this utility model, the walking structure includes a walking shaft and walking wheels disposed at both ends of the walking shaft; A set of rotating bearing brackets is provided at the lower ends of both ends of the mounting plate, and the traveling shaft is rotatably mounted on the rotating bearing brackets.

[0010] As a further optimization of this utility model, the walking drive device includes a second worm gear assembly, which includes a second housing, a vertically arranged second worm, and an axially horizontally arranged second worm wheel. The walking shaft passes through the middle of the second worm wheel and is coaxially and synchronously rotated with the second worm wheel. The second worm is connected to the walking control component, which includes a second rotating handle.

[0011] As a further optimization of this utility model, the lifting drive device includes a first electric telescopic rod, which is connected to the mounting plate. The walking drive device includes a second motor and a drive gear mounted on the second motor, and a driven gear that engages with the drive gear on the walking shaft. The control structure is electrically connected to the lifting drive device and the walking drive device.

[0012] As a further optimization of this utility model, the fixed support structure also includes a fixed sleeve, which has a limiting hole for the lower end of the support leg to extend into, and the fixed sleeve is fixedly disposed at the end of the support plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model provides a stable high-altitude work platform for construction workers through a support structure, achieving the functions of carrying and supporting construction workers; it drives a traveling structure to rise and fall along the support structure through a lifting support structure, realizing the switching between the traveling structure and the support structure in a ground-supported state and a moving state, and uses a fixed support structure to fix the lifting drive device, ensuring the stability and reliability of the lifting process; it enables the linear movement of the scaffolding on the ground through the traveling structure, improving the flexibility and continuity of the construction process; and it enables the control function of lifting and traveling actions through a control structure, allowing construction workers to directly move and position the scaffolding on the work platform without frequent climbing up and down the scaffolding, significantly improving construction convenience and work efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of the present utility model; Figure 2 This is a schematic diagram of the fixed bracket structure according to Embodiment 1 of this utility model; Figure 3 This is a schematic diagram of the walking structure of Embodiment 1 of this utility model; Figure 4 This is a schematic diagram of the lifting drive device according to Embodiment 1 of this utility model; Figure 5 This is a schematic diagram of the structure of Embodiment 2 of this utility model.

[0015] In the picture: 1-Main support frame, 11-Scaffolding board, 12-Supporting leg, 2-Fixed bracket structure, 21-Support plate, 211-Long strip plate, 22-Fixing sleeve, 221-Limiting hole, 3-Lifting support structure; 31-Sliding support; 311-Mounting plate; 3111-Rotating bearing bracket; 312-Sliding sleeve; 32-Lifting drive device; 321-First screw jack; 3211-Connecting nut seat; 322-First worm gear assembly; 3221-First housing; 3222-First worm; 3223-Third transmission link; 323-First transmission link; 324-Fourth transmission link; 33-First electric telescopic rod. 4-Traveling structure, 41-Traveling assembly, 411-Traveling shaft, 412-Traveling wheel, 42-Traveling drive device, 421-Second worm gear assembly, 4211-Second housing, 4212-Second worm, 422-Second transmission link, 423-Second motor. 5-Control structure, 51-Lifting control component, 52-Travel control component. Detailed Implementation

[0016] Below, in conjunction with the appendix Figure 1 To be continued Figure 5 The present invention will be further described in detail below, along with specific implementation methods. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0017] Example 1 An interior decoration scaffold includes a main support body 1, a fixed support structure 2, a lifting support structure 3, a traveling structure 4, and a control structure 5. The main support body 1 provides a stable high-altitude work platform for construction workers, supporting them and the work platform. The lifting support structure 3 drives the traveling structure 4 to move up and down along the main support body 1, switching between ground support and moving states. The fixed support structure 2 secures the lifting drive device 32, ensuring stability and reliability during the lifting process. The traveling structure 4 enables linear movement of the scaffold on the ground, improving flexibility and continuity during construction. The control structure 5 controls the lifting and moving actions, allowing workers to move and position the scaffold directly from the work platform without frequent climbing, significantly improving convenience and efficiency.

[0018] For details, please refer to the appendix. Figure 1The main body of the support frame 1 includes a scaffold board 11 and support legs 12 located at the four corners of the scaffold board 11. The main body of the support frame 1 can adopt existing common scaffolding. The scaffold board 11 is a rectangular board. The middle of the support leg 12 is provided with a cross support rod to ensure the stability of the scaffolding. There is a bare rod section with a distance of 30-50cm between the bottom and the middle of the support leg, which is used to provide a fixed support point for the fixed support structure 2 through the bare rod section and to provide sufficient vertical sliding space for the lifting support structure 3.

[0019] Please continue to refer to the appendix. Figure 1 and attached Figure 2 The fixed support structure 2 includes a support plate 21 and a fixed sleeve 22. The support plate 21 is horizontally disposed at the lower part of the support leg 12. Specifically, the support plate 21 includes two sets of elongated plates 211, and a set of fixed sleeves 22 are fixed to each end of the elongated plates 211. The fixed sleeves 22 are provided with limiting holes 221 for the lower end of the support leg 12 to extend into. By opening the limiting holes 221 for the lower end of the support leg 12 to extend into, the bottom of the fixed sleeve 22 abuts against and is fixed to the support leg 12, realizing the quick alignment and assembly of the fixed sleeve 22 and the support leg 12, thereby enabling the entire fixed support structure 2 to be directly... The support legs 12 installed on the existing scaffolding do not require replacement of the original scaffolding, thereby reducing the threshold for use and the cost of promotion. At the same time, the long strips 211 extend along the short side of the scaffolding board 11. The two ends of each set of long strips 211 are connected to the two support legs 12 corresponding to the short side of the scaffolding board 11. One set of long strips 211 is connected to two sets of support legs 12, and the other set of long strips 211 is connected to two other sets of support legs 12. Compared with the integral board, the long strips 211 have lightweight characteristics, which can improve the installation convenience and transportation flexibility of the fixed support structure 2 itself through lightweight design.

[0020] Please refer to the attached document. Figure 2 and attached Figure 3The lifting support mechanism includes a sliding support 31 and a lifting drive device 32 that drives the sliding support 31 to slide up and down along the support leg 12. The sliding support 31 is configured to slide below the support plate 21. The fixed end of the lifting drive device 32 is fixed to the support plate 21, and the movable end of the lifting drive device 32 is connected to the sliding support 31. Specifically, the sliding support 31 includes two sets of mounting plates 311. Each set of mounting plates 311 has a sliding sleeve 312 at both ends. Each set of mounting plates 311 is horizontally arranged below the corresponding support plate 21, and its two ends are connected by the sliding sleeve. The sliding sleeve 312 is slidably connected to the two support legs 12 connected to the corresponding support plate 21. The sliding sleeve 312 is configured to be nested and slidably arranged with the support leg 12. In this embodiment, the fixed sleeve 22 is nested on the outside of the support leg 12. The inner ring of the sliding sleeve 312 is slidably adapted to the outer ring of the fixed sleeve 22. Under the driving action of the lifting drive device 32, the sliding sleeve 312 and the fixed sleeve 22 fixedly installed on the outside of the support leg 12 are slidably connected. By means of the nesting and sliding relationship between the sliding sleeve 312 and the fixed sleeve 22, the mounting plate 311 can achieve a smooth linear movement along the axis of the support leg 12.

[0021] Please continue to refer to the appendix. Figure 2 and attached Figure 3 The lifting drive device 32 may be, but is not limited to, an electric telescopic rod or a lead screw telescopic device. In this embodiment, the lifting drive device 32 includes a first lead screw jack 321, a first worm gear assembly 322, and a first transmission connecting rod 323. The first lead screw jack 321 is fixed above the long plate 211. The lead screw jack is an existing mechanism. The first lead screw jack 321 is provided with a fixing seat for fixing to the long plate 211. The lead screw in the first lead screw jack 321 is vertically arranged. The lifting end of the first lead screw jack 321 is connected to the mounting plate 311. The lower end of the lead screw in the first lead screw jack 321 extends below the long plate 211 and is connected to the mounting plate 311 through a connecting nut seat 3211. By means of the self-locking mechanism of the first lead screw jack 321, the position of the lead screw is locked after the lifting action stops, ensuring the stability of the height of the mounting plate 311, avoiding accidental lifting due to external force, and improving the safety of use. Please refer to the attached document. Figure 3 and attached Figure 4The first worm gear assembly 322 includes a first housing 3221, a first worm 3222 vertically disposed within the first housing 3221, and a first worm gear horizontally disposed within the first housing 3221. The first housing 3221 is fixed to the mounting plate 311 and located on one side of the first screw jack 321. A third transmission link 3223 connected to the input shaft of the first screw jack 321 is provided at the middle of the first worm gear. The third transmission link 3223 is connected to the input shaft of the first screw jack 321. The worm gear is coaxially and synchronously rotated. The lower end of the first transmission link 323 is coaxially and rotatably connected to the first worm gear 3222. Through the meshing transmission of the first worm wheel and the first worm gear 3222, the rotation of the first transmission link 323 is converted into the rotational power of the input shaft of the first screw jack 321. The upper end of the first transmission link 323 extends above the scaffold board 11 and is connected to the lifting control component 51. This allows construction personnel to directly control the lifting on the high-altitude work platform without having to go down to operate.

[0022] Please refer to the attached document. Figure 3 and attached Figure 4 Two sets of the first screw jack 321 are provided, respectively located above the two sets of elongated plates 211. The worm shafts of the two sets of the first screw jack 321 are coaxially and synchronously rotated through the fourth transmission link 324. This is to connect the first screw jack 321 located at both ends of the support body 1, so as to realize the synchronous adjustment of the height of the mounting plates 311 located on both sides of the support body 1 by a single lifting control component 51, ensuring the horizontality of the sliding support 31 during the lifting process and avoiding the tilting of the support body 1 due to the height difference at both ends.

[0023] Please continue to refer to the appendix. Figure 3 and attached Figure 4 The walking structure 4 includes a walking component 41 and a walking drive device 42 for driving the walking component 41 to move; the walking structure 4 includes a walking shaft 411 and walking wheels 412 disposed at both ends of the walking shaft 411; specifically, a set of rotating bearing frames 3111 are respectively disposed below both ends of the mounting plate 311. The rotating bearing frames 3111 are disposed on the outer side of the sliding sleeve 312. The walking shaft 411 is rotatably disposed on the rotating bearing frames 3111. The axial direction of the rotating bearing frames 3111 is parallel to the short side extension direction of the scaffold. The walking shaft 411 rotates on the rotating bearing frames 3111 through the walking drive device 42, so that the walking wheels 412 drive the support body 1 to move linearly along the length direction, which meets the position adjustment requirements of the linear operation path.

[0024] Please continue to refer to the appendix. Figure 3 and attached Figure 4The walking drive device 42 includes a second worm gear assembly 421, which includes a second housing 4211, a vertically arranged second worm 4212, and an axially horizontally arranged second worm wheel. The second housing 4211 is fixedly mounted on the lower side of the mounting plate 311. The walking shaft 411 passes through and connects to the middle of the second worm wheel and rotates synchronously with the second worm wheel on the same axis. The second worm 4212 is connected to the walking control component 52, and the upper end of the second worm 4212 is provided with... The second transmission link 422 is coaxially and synchronously arranged with the second worm gear 4212. The upper end of the second worm gear 4212 extends above the scaffold board 11 and is connected to the walking control component 52. Through the meshing transmission of the second worm wheel and the second worm gear 4212, the power of the walking control component 52 is transmitted to the walking shaft 411, driving the walking wheel 412 to rotate. The walking control component 52 is arranged above the scaffold board 11, so that construction personnel can directly control the movement of the support body 1 on the high-altitude work platform without having to go down to operate.

[0025] Please refer to the attached document. Figure 1 and attached Figure 4 The control structure 5 is disposed above the scaffold board 11. The control structure 5 includes a walking control component 52 and a lifting control component 51. The lifting control component 51 includes a first rotating handle, which is used to drive the first worm gear 3222 to rotate by rotating the first rotating handle. The first screw jack 321 is driven to move by the transmission of the first worm gear assembly 322, thereby realizing the control of the height of the mounting plate 311. The walking control component 52 includes a second rotating handle, which is used to drive the second worm gear 4212 to rotate by rotating the second rotating handle. The second worm gear assembly 421 then drives the walking shaft 411 to rotate, thereby realizing the walking control of the support body 1. When the sliding bracket 31 rises, the lower end of the support leg 12 is lower than the lower end of the walking component 41, so that the support leg 12 contacts the ground to ensure the operational stability of the bracket body 1; when the sliding bracket 31 falls, the lower end of the walking component 41 is lower than the lower end of the support leg 12, so that the walking wheel 412 contacts the ground to realize the movement of the bracket body 1. The lifting and lowering of the sliding bracket 31 realizes the switching between support and movement states, taking into account both operational safety and ease of movement.

[0026] Example 2 In Example 2, the same symbols are used for the same structures as in Example 1, and the same descriptions are omitted. Example 2 is an improvement on Example 1. Please refer to [link / reference needed]. Figure 5The lifting drive device 32 includes a first electric telescopic rod 33, the movable end of which is connected to the mounting plate 311. This allows for automated lifting by replacing manual operation with stable power output from the motor, reducing the physical exertion of construction workers. Simultaneously, compared to manual drive, the first electric telescopic rod 33 improves the accuracy and stability of the lifting action through controllable speed and torque, ensuring the smoothness of the sliding support 31 during lifting. The walking drive device 42 includes a second motor 423 and a drive gear mounted on the second motor 423. A driven gear, engaging with the drive gear, is mounted on the walking shaft 411. Power from the second motor 423 is stably transmitted to the walking shaft 411, driving it to move and reducing the physical exertion of construction workers. The control structure 5 is electrically connected to the lifting drive device 32 and the walking drive device 42.

[0027] The control structure 5 is fixedly mounted above the scaffold board 11 near its edge. It controls the forward and reverse rotation, start / stop, and speed of the first electric telescopic rod 33 and the second motor 423 in the walking drive device 42, thereby changing the lifting state of the sliding bracket 31 to switch the ground contact relationship between the support leg 12 and the walking wheel 412, and controlling the rotation of the walking wheel 412 to achieve linear movement of the scaffolding. Specifically, the control structure 5 includes an electronic control module, a control panel, and a touch screen. The electronic control module includes a mobile power supply and a control module connected by a circuit. The mobile power supply can be, but is not limited to, a lithium battery. The control module can be, but is not limited to, a single-chip microcontroller control board of model AT80C51 or a microcontroller of model STM32. The touch screen can be, but is not limited to, an industrial touch screen of model G530AL. The control output terminal of the control module is connected to the input terminal of the relay via a circuit. The output terminal of the relay is connected to the signal output terminal of the first electric telescopic rod 33 and the second motor 423 of the walking drive device 42 via a circuit, so as to realize the extension and retraction of the first electric telescopic rod 33, the start and stop, forward and reverse rotation and speed regulation of the second motor 423 through the relay, thereby controlling the lifting and lowering of the sliding bracket 31 and the movement of the decoration rack. The control panel and the touch terminal of the touch screen are also connected to the control input terminal of the control module via a circuit, so as to realize the input of control commands through the control panel or the touch screen.

[0028] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection of this utility model.

Claims

1. A decorative frame for interior decoration, comprising a frame body (1), wherein the frame body (1) includes a scaffold board (11) and supporting legs (12) disposed below the four corners of the scaffold board (11), characterized in that, Also includes: The fixed support structure (2) includes a support plate (21) which is horizontally disposed at the lower part of the support leg (12); The lifting support structure (3) includes a sliding support (31) and a lifting drive device (32) for driving the sliding support (31) to slide along the support leg (12). The walking structure (4) includes a walking component (41) and a walking drive device (42) for driving the walking component (41) to walk. A control structure (5) is disposed above the scaffold board (11), the control structure (5) including a walking control component (52) and a lifting control component (51). The sliding bracket (31) is configured to slide below the support plate (21) so that when the sliding bracket (31) is raised, the lower end of the support leg (12) is lower than the lower end of the walking component (41), and when the sliding bracket (31) is lowered, the lower end of the walking component (41) is lower than the lower end of the support leg (12).

2. The interior decoration rack according to claim 1, characterized in that, The support plate (21) includes two sets of long strips (211), which extend along the short side of the scaffold board (11). The two ends of each set of long strips (211) are connected to the two support legs (12) corresponding to the short side of the scaffold board (11). The sliding bracket (31) includes two sets of mounting plates (311), and each set of mounting plates (311) has a sliding sleeve (312) at both ends. The sliding sleeve (312) is configured to be nested and slidably arranged with the support leg (12).

3. The interior decoration rack according to claim 2, characterized in that, The lifting drive device (32) includes a first screw jack (321), a first worm gear assembly (322), and a first transmission link (323). The first screw jack (321) is fixed above the long strip (211). The lifting end of the first screw jack (321) is connected to the mounting plate (311). The first worm gear assembly (322) includes a first housing (3221), a vertically arranged first worm (3222), and an axially horizontally arranged first worm wheel. The middle part of the first worm wheel is provided with a third transmission link (3223) connected to the input shaft of the first screw jack (321). The lower end of the first transmission link (323) is coaxially rotatably connected to the first worm (3222). The upper end of the first transmission link (323) extends above the scaffold board (11) and is connected to the lifting control component (51). The lifting control component (51) includes a first rotating handle.

4. The interior decoration rack according to claim 3, characterized in that, The first screw jack (321) is provided in two sets, which are respectively set above the two sets of long strips (211), and the worm shafts of the two sets of the first screw jack (321) are coaxially and synchronously rotated through the second transmission link (422).

5. The interior decoration rack according to claim 2, characterized in that, The walking structure (4) includes a walking shaft (411) and walking wheels (412) disposed at both ends of the walking shaft (411). A set of rotating bearing brackets (3111) is provided below each of the two ends of the mounting plate (311), and the walking shaft (411) is rotatably mounted on the rotating bearing brackets (3111).

6. The interior decoration rack according to claim 5, characterized in that, The walking drive device (42) includes a second worm gear assembly (421), which includes a second housing (4211), a vertically arranged second worm (4212), and an axially horizontally arranged second worm wheel. The walking shaft (411) passes through the middle of the second worm wheel and is coaxially and synchronously arranged with the second worm wheel. The second worm (4212) is connected to the walking control component (52), which includes a second rotating handle.

7. The interior decoration rack according to claim 5, characterized in that, The lifting drive device (32) includes a first electric telescopic rod (33), which is connected to the mounting plate (311); The walking drive device (42) includes a second motor (423) and a drive gear disposed on the second motor (423). The walking shaft (411) is provided with a driven gear that is gear-driven and engages with the drive gear. The control structure (5) is electrically connected to the lifting drive device (32) and the walking drive device (42).

8. The interior decoration rack according to claim 1, characterized in that, The fixed support structure (2) further includes a fixed sleeve (22), which has a limiting hole (221) for the lower end of the support leg (12) to extend into, and the fixed sleeve (22) is fixedly disposed at the end of the support plate (21).