A highly extendable spreader scaffold

Abstract

The utility model provides a kind of extendable scaffold of height extension, it is related to scaffold technical field, including scaffold body;The left and right sides of the scaffold body are provided with climbing carrier frame, and the top of the climbing carrier frame is sleeved with lifting bearing plate, the bottom end surface of lifting bearing plate is provided with four left and right arrangement front-back direction reinforcing bars, the bottom end surface of lifting bearing plate is provided with left and right direction bearing rod front and back, the bearing rod of lifting bearing plate both ends is provided with up and down direction sleeve, and the middle annular array of lifting bearing plate is provided with four up and down through-threaded holes, convenient lifting bearing plate is sleeved between the top of climbing carrier frame, convenient lifting bearing plate is adjusted along climbing carrier frame, the height of scaffold is fixed, cannot be extended according to the height of scaffold, inconveniently install extension measure on scaffold, so that the height of scaffold can be extended.

Description

Technical Field

[0001] This utility model belongs to the field of scaffolding technology, and in particular relates to a highly extendable scaffolding. Background Technology

[0002] Scaffolding is a temporary structure, usually made of metal pipes, connectors, and plates. Its main purpose is to provide a safe and stable working platform and passageway for high-altitude construction. According to its use, there are building scaffolding, decoration scaffolding, maintenance scaffolding, and stage scaffolding, etc. According to its structural form, there are coupler-type steel pipe scaffolding, frame scaffolding, disc-lock scaffolding, and cantilever scaffolding, etc.

[0003] Based on the above, the inventors have discovered the following shortcomings in existing scaffolding: 1. The scaffolding height is fixed and cannot be extended as needed. It is inconvenient to install extension measures on the scaffolding to allow for height extension. 2. The scaffolding components are assembled by welding, which makes the transportation and storage of the scaffolding difficult. It is not convenient to make the connections between the scaffolding components detachable so that the scaffolding can be disassembled and stored. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides a highly extendable scaffolding. This solves the issues of existing scaffolding having a fixed height, making it impossible to extend the scaffolding height as needed, the inconvenience of adding extension measures to allow for height extension, and the difficulty in transporting and storing the scaffolding due to its welded assembly of components. It also addresses the problem of inconvenience in making the connections between scaffolding components detachable for easy disassembly and storage.

[0005] The purpose and effect of this highly extendable scaffolding are achieved by the following specific technical means: A highly extendable scaffold includes a scaffold body; climbing support frames are provided on both the left and right sides of the scaffold body, and a lifting support plate is fitted on the top between the climbing support frames. Four reinforcing ribs are provided on the bottom end face of the lifting support plate in the left-right and front-back directions. Support rods in the left-right direction are provided on both the front and back of the bottom end face of the lifting support plate. Sleeves in the up-down direction are provided at both ends of the support rods of the lifting support plate. Four threaded holes penetrating vertically are arranged in a circular array in the middle of the lifting support plate.

[0006] Furthermore, a lifting bearing cylinder is threadedly installed on the outer circumference of the lifting rotating rod, and the inner circumference of the lifting bearing cylinder is threaded. An annular plate with fixing holes is provided on the outer circumference of the top of the lifting bearing cylinder, and the annular plate of the lifting bearing cylinder is bolted to the bottom end face of the lifting bearing plate.

[0007] Furthermore, a lifting and rotating rod is installed inside the bearing groove of the assembled force-bearing frame via a bearing. The outer circumference of the lifting and rotating rod is threaded, a fixing post is provided on the bottom end face of the lifting and rotating rod, and gripping rods are provided on both the left and right sides of the bottom of the lifting and rotating rod.

[0008] Furthermore, an assembly support frame is fitted at the bottom between the climbing support frames. The assembly support frame is provided with left and right force-bearing rods at both the front and rear. Both ends of the force-bearing rods of the assembly support frame are provided with sleeves in the up and down direction. A connecting plate is provided in the middle between the force-bearing rods of the assembly support frame. A bearing groove is opened in the middle of the top end face of the connecting plate of the assembly support frame.

[0009] Furthermore, an assembly limiting cylinder is threadedly installed on the outer bottom of the vertical pole of the climbing support frame. The inner circumference of the assembly limiting cylinder is threaded, and the outer circumference of the assembly limiting cylinder is provided with a regular hexagonal structure.

[0010] Furthermore, a support adjustment rod is installed inside the bottom of the vertical pole of the climbing support frame via threads. A threaded rod is provided on the upper part of the support adjustment rod, and a regular hexagonal prism is provided on the bottom end face of the threaded rod of the support adjustment rod. A ground-contacting circular plate is provided on the bottom end face of the regular hexagonal prism of the support adjustment rod.

[0011] Furthermore, the climbing support frame is provided with upright poles on both the front and rear sides, and four step bars arranged vertically in the front and rear directions are provided at the lower part between the upright poles of the climbing support frame. The bottom outer circumference of the upright poles of the climbing support frame is threaded, and the bottom inner circumference of the upright poles of the climbing support frame is threaded.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The convenient lifting support plate is fitted on top between the climbing support frames, allowing the lifting support plate to be raised and lowered along the climbing support frame. This solves the problem that the scaffolding height is fixed and cannot be extended as needed, and it is inconvenient to install extension measures on the scaffolding to extend its height.

[0013] The scaffolding is designed for easy assembly. The support frame is fitted at the bottom between the climbing support frame and locked with a limiting sleeve to prevent it from falling off. This allows for detachable assembly and solves the problem that the scaffolding components are welded together, making transportation and storage of the scaffolding difficult and inconvenient. It also makes it difficult to connect the scaffolding components in a detachable manner so that the scaffolding can be disassembled and stored. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the main structure of this utility model.

[0015] Figure 2 This is a bottom view of the structure of this utility model.

[0016] Figure 3 This is a disassembled structural diagram of the present invention.

[0017] Figure 4 This is a schematic diagram of the raised state of the lifting support plate of this utility model.

[0018] Figure 5 This is an assembly cross-sectional view of the force-bearing frame and lifting rotating rod of this utility model.

[0019] Figure 6 This is an assembly cross-sectional view of the lifting support plate and lifting support cylinder of this utility model.

[0020] In the diagram: 1. Scaffold body; 2. Climbing support frame; 3. Lifting support plate; 4. Support adjustment rod; 5. Assembly limit cylinder; 6. Assembly load-bearing frame; 7. Lifting rotating rod; 8. Lifting support cylinder. Detailed Implementation

[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.

[0022] Example 1: As shown in the attached document Figure 1 To be continued Figure 6 As shown: This utility model provides a highly extendable scaffold, including a scaffold body 1; climbing support frames 2 are provided on both the left and right sides of the scaffold body 1 to facilitate the support of various components; a lifting support plate 3 is fitted on the top between the climbing support frames 2 to facilitate the lifting and moving of the lifting support plate 3; four reinforcing ribs are provided on the bottom end face of the lifting support plate 3 in the left-right and front-back directions to increase the load-bearing capacity of the lifting support plate 3; lateral support rods are provided on both the front and back of the bottom end face of the lifting support plate 3 to increase the stress capacity of the lifting support plate 3; both ends of the support rods of the lifting support plate 3 are provided with sleeves in the up-down direction to facilitate the insertion of the climbing support frame 2 into the interior; four through-holes are arranged in a circular array in the middle of the lifting support plate 3 to facilitate the installation of the lifting support cylinder 8 by bolts; vertical cylinders are provided on both the front and back sides of the climbing support frame 2. To facilitate support and stress, the lower part of the vertical poles of the climbing support frame 2 is equipped with four vertically arranged, front-back oriented footings for easy climbing and stepping. The outer circumference of the bottom of the vertical poles of the climbing support frame 2 is threaded to facilitate the assembly and installation of the limiting cylinder 5. The inner circumference of the bottom of the vertical poles of the climbing support frame 2 is threaded to facilitate the installation of the support adjustment rod 4. The support adjustment rod 4 is installed inside the bottom of the vertical poles of the climbing support frame 2 via threads, allowing for easy adjustment of the support adjustment rod 4 through thread engagement. The upper part of the support adjustment rod 4 is equipped with a threaded rod, facilitating its installation via threads. The bottom end face of the threaded rod of the support adjustment rod 4 is provided with a regular hexagonal prism, allowing for adjustment of the support adjustment rod 4 by rotation using tools. The bottom end face of the regular hexagonal prism of the support adjustment rod 4 is provided with a ground-contact circular plate, facilitating the contact and support between the support adjustment rod 4 and the ground.

[0023] The climbing support frame 2 has an assembly limiting cylinder 5 threadedly installed on the bottom of its vertical rod, facilitating the locking of the assembly support frame 6. The assembly limiting cylinder 5 has threads on its inner circumference for easy installation, and a regular hexagonal structure on its outer circumference for easy rotation and disassembly using tools. The bottom of the climbing support frame 2 is fitted with the assembly support frame 6 for easy assembly stress. The assembly support frame 6 has lateral force-bearing rods at both ends for easy assembly stress. Both ends of the force-bearing rods of the assembly support frame 6 have vertical sleeves for easy insertion of the climbing support frame 2. A connecting plate is located between the force-bearing rods of the assembly support frame 6 to support the lifting and rotating rod 7. A bearing groove is located in the middle of the top end face of the connecting plate of the assembly support frame 6 for easy installation of the lifting and rotating rod 7 via bearings. A lifting rotating rod 7 is installed inside the bearing groove of the 6 via a bearing, facilitating the rotation of the lifting rotating rod 7 through the bearing. The outer circumference of the lifting rotating rod 7 is threaded, facilitating the installation of the lifting bearing cylinder 8 via the thread. A fixing post is provided on the bottom end face of the lifting rotating rod 7, facilitating its installation via the bearing. Grip bars are provided on both the left and right sides of the bottom of the lifting rotating rod 7, facilitating its rotation. The outer circumference of the lifting rotating rod 7 is threaded, facilitating the lifting bearing cylinder 8's lifting and lowering via thread engagement. The inner circumference of the lifting bearing cylinder 8 is threaded, facilitating the installation of the lifting rotating rod 7 via the thread. An annular plate with fixing holes is provided on the outer circumference of the top of the lifting bearing cylinder 8, facilitating the fixing of the lifting bearing plate 3 with bolts. The annular plate of the lifting bearing cylinder 8 is bolted to the bottom end face of the lifting bearing plate 3, facilitating the synchronous lifting and lowering of the lifting bearing plate 3.

[0024] The specific usage and function of this embodiment are as follows: In this utility model, such as Figure 1 As shown, the scaffold body 1 is in the placement and use state. When the lifting load plate 3 is raised and adjusted, the lifting rotating rod 7 is rotated to engage with the lifting load cylinder 8 through the thread, causing the lifting load cylinder 8 to rise through the thread engagement. The lifting load cylinder 8 then drives the lifting load plate 3 to rise synchronously along the climbing load frame 2, as shown in the figure. Figure 4 As shown, this achieves height extension adjustment of the lifting support plate 3, and simultaneously achieves self-locking after adjustment through the threaded engagement of the lifting rotating rod 7 and the lifting support cylinder 8. This method solves the problem that the scaffolding height is fixed and cannot be extended as needed. Figure 1As shown, when disassembling the scaffold body 1, the support adjusting rod 4 is engaged with the climbing support frame 2 by rotating a tool, causing the support adjusting rod 4 to descend and disengage from the bottom of the climbing support frame 2 through the threaded engagement. Similarly, the assembly limiting cylinder 5 is engaged with the climbing support frame 2 by rotating a tool, causing the assembly limiting cylinder 5 to descend and disengage from the bottom of the climbing support frame 2 through the threaded engagement. This releases the assembly limiting cylinder 5 from locking the assembly load-bearing frame 6, disconnecting the assembly load-bearing frame 6 from the lifting rotating rod 7, and moving the assembly load-bearing frame 6 downwards and away from the bottom of the climbing support frame 2, thus achieving the disassembly of the assembly load-bearing frame 6. The scaffold frame 6 and the climbing support frame 2 are disassembled, and then the assembly bolts of the lifting support plate 3 and the lifting support cylinder 8 are removed, thereby achieving the disassembly of the lifting support plate 3 and the lifting support cylinder 8. Then, the lifting support plate 3 is moved upward and detached from the top of the climbing support frame 2, thus completing the disassembly operation of the scaffold body 1. This method solves the problem that the transportation and storage of the scaffold is difficult because the various parts of the scaffold are assembled by welding. Note that during disassembly, the lifting rotating rod 7 can remain inside the lifting support cylinder 8 without being disassembled, thus facilitating the protection of the threaded structure of the lifting rotating rod 7.

[0025] Example 2: The difference from Example 1 is that the regular hexagonal structure of the assembly limiting cylinder 5 can also be set as a regular heptagonal structure. This makes it necessary to use a special tool that works with the regular heptagonal structure to rotate the assembly limiting cylinder 5, thus preventing non-workers from rotating and disassembling the assembly limiting cylinder 5.

[0026] Example 3: Unlike Example 1, the gripping surface of the lifting and rotating rod 7 can also be set to a frosted surface, thereby increasing the friction between the gripping surface of the lifting and rotating rod 7 and the hand, and preventing the gripping surface of the lifting and rotating rod 7 from slipping.

Claims

1. A highly extendable scaffold, characterized in that: Includes scaffold body (1); climbing support frames (2) are provided on both the left and right sides of the scaffold body (1), and a lifting support plate (3) is fitted on the top between the climbing support frames (2). Four reinforcing ribs are arranged in the left and right and front and back directions on the bottom end face of the lifting support plate (3). Support rods in the left and right directions are provided on both the front and back of the bottom end face of the lifting support plate (3). Sleeves in the up and down directions are provided at both ends of the support rods of the lifting support plate (3). Four threaded holes are arranged in the middle of the lifting support plate (3) in a ring array. The bottom of the climbing support frame (2) is fitted with an assembly force frame (6). The assembly force frame (6) is provided with force rods in the left and right directions at the front and back. Both ends of the force rods of the assembly force frame (6) are provided with sleeves in the up and down directions. A connecting plate is provided between the force rods of the assembly force frame (6). A bearing groove is provided in the middle of the top end face of the connecting plate of the assembly force frame (6). The bearing groove of the assembly force frame (6) is equipped with a lifting and rotating rod (7) through the bearing. The outer circumference of the lifting and rotating rod (7) is threaded. A fixed column is provided on the bottom end face of the lifting and rotating rod (7). Grab rods are provided on both the left and right sides of the bottom of the lifting and rotating rod (7). The lifting rotating rod (7) has a lifting bearing cylinder (8) installed on its outer circumference by threads. The lifting bearing cylinder (8) has threads on its inner circumference. The top outer circumference of the lifting bearing cylinder (8) has an annular plate with fixing holes. The annular plate of the lifting bearing cylinder (8) is installed on the bottom end face of the lifting bearing plate (3) by bolts.

2. The highly extendable scaffolding as described in claim 1, characterized in that: The climbing support frame (2) is provided with vertical poles on both the front and rear sides. There are four step bars arranged vertically and horizontally in the lower part between the vertical poles of the climbing support frame (2). The bottom outer circumference of the vertical pole of the climbing support frame (2) is threaded, and the bottom inner circumference of the vertical pole of the climbing support frame (2) is threaded.

3. The highly extendable scaffolding as described in claim 2, characterized in that: The bottom of the vertical tube of the climbing support frame (2) is fitted with a support adjustment rod (4) by thread. The upper part of the support adjustment rod (4) is provided with a threaded rod. The bottom end face of the threaded rod of the support adjustment rod (4) is provided with a regular hexagonal prism. The bottom end face of the regular hexagonal prism of the support adjustment rod (4) is provided with a ground contact plate.

4. The highly extendable scaffolding as described in claim 3, characterized in that: The bottom of the vertical pole of the climbing support frame (2) is threaded with an assembly limiting cylinder (5). The assembly limiting cylinder (5) has a threaded inner circumference and a regular hexagonal structure on the outer circumference.

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