Adjustable support for house building engineering

Abstract

When the adjustable support is used, a supporting mechanism is lifted through a lifting mechanism, and a driving shaft of a first driving device drives a left gear, the lower end of a left lower connecting rod and the lower end of a first left push rod to rotate anticlockwise, so that a right gear rotates clockwise; the lower end of a right lower connecting rod and the lower end of a first right push rod rotate clockwise through a rotating shaft, so that the upper ends of the left and right lower connecting rods are far away from each other and rise, and the lower ends of the left and right upper connecting rods are driven to be far away from each other and rise, so that the upper ends of the left and right upper connecting rods are raised until the left lower connecting rod, the left upper connecting rod, the right lower connecting rod and the right upper connecting rod are vertical; and meanwhile, a first left push rod can push a left extension supporting plate to move towards the lower left to the left side of the lifting plate, and a first right push rod can push a right extension supporting plate to move towards the lower right to the right side of the lifting plate, so that an extension supporting surface is formed. The supporting area and the height of the folding table can be adjusted, the occupied area is reduced, and the folding table is convenient to use, carry and store.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, and particularly to the field of building construction support technology, specifically an adjustable support for building construction projects. Background Technology

[0002] Building construction refers to the production activities during the implementation phase of an engineering project. It is the process of building various types of structures, or the process of turning the lines on design drawings into a physical object at a designated location. It includes foundation construction, main structure construction, roofing construction, and decoration construction.

[0003] During construction, different construction procedures and tasks require operation and support at different heights. For some building structures with complex geometric shapes, such as arched roofs and irregular facades, adjustments need to be made flexibly according to the specific shape and size of the structure. When building walls, as the height of the wall increases, workers need to raise the work platform accordingly. Adjustable supports can easily raise the height of the work platform to allow construction workers to perform masonry operations at a suitable height, avoiding excessive bending or raising of the arms, reducing fatigue, and improving work efficiency.

[0004] However, existing adjustable supports used in housing construction projects still have the following areas for improvement:

[0005] 1. Some adjustable supports may not be able to support parts of different sizes and volumes stably, requiring multiple sets of adjustable supports to be used simultaneously, which increases the floor space and may cause inconvenience to construction personnel.

[0006] 2. Some adjustable brackets are bulky, making them very inconvenient to transport and store. They require a lot of manpower, resources, and space, which can seriously affect construction efficiency in construction scenarios where the brackets need to be moved frequently.

[0007] Therefore, there is a need for an adjustable bracket for building construction projects, whose support area and height are adjustable, reducing the footprint and making it convenient to use, move and store. Utility Model Content

[0008] In order to overcome the shortcomings of the prior art, one objective of this utility model is to provide an adjustable bracket for building construction projects, which can adjust both its support area and height, reduce the floor space occupied, and facilitate use, transportation and storage, making it suitable for large-scale promotion and application.

[0009] Another objective of this utility model is to provide an adjustable support for building construction projects, which is ingeniously designed, simple in structure, easy to manufacture, and low in manufacturing cost, making it suitable for large-scale promotion and application.

[0010] To achieve the above objectives, this utility model provides an adjustable support frame for building construction projects, including a base. The adjustable support frame for building construction projects further includes a lifting mechanism and a support mechanism, wherein:

[0011] The lifting mechanism is mounted on the base;

[0012] The support mechanism includes a support plate, a limiting plate, a first driving device, a rotating shaft, a left gear, a right gear, a lifting plate, an upper left connecting rod, a lower left connecting rod, an upper right connecting rod, a lower right connecting rod, a left extension support plate, a right extension support plate, a first left push rod, a second left push rod, a first right push rod, and a second right push rod, wherein:

[0013] The support plate is horizontally positioned on the lifting mechanism along the left-right direction. The limiting plate is vertically positioned on the front side of the support plate along the left-right direction. The first driving device is positioned on the support plate and behind the limiting plate. The drive shaft of the first driving device passes through the limiting plate along the front-back direction and is rotatable relative to the limiting plate in the front-back direction. The rotating shaft is positioned along the front-back direction and located to the right of the drive shaft of the first driving device. The rotating shaft passes through the limiting plate along the front-back direction and is rotatable relative to the limiting plate in the front-back direction. The left gear and the right gear are both vertically positioned and along the left-right direction, and are meshed with each other. The left gear and the right gear are respectively fitted with... The lifting plate is horizontally arranged along the left-right direction and located above the support plate, connected to the drive shaft and the rotating shaft of the first driving device. The lower left connecting rod and the lower right connecting rod are both vertically arranged and spaced apart from each other. The lower ends of the lower left connecting rod and the lower ends of the lower right connecting rod are respectively sleeved on the drive shaft and the rotating shaft of the first driving device. The upper left connecting rod and the upper right connecting rod are both vertically arranged and spaced apart from each other. The lower ends of the upper left connecting rod and the lower ends of the upper right connecting rod are rotatably connected to the upper ends of the lower left connecting rod and the upper ends of the lower right connecting rod, respectively, around the front-back direction. The upper ends of the upper left connecting rod and the upper ends of the upper right connecting rod are both located below the lifting plate and are rotatably connected to the lifting plate around the front-back direction.

[0014] The left and right extension support plates are both horizontally arranged and along the left-right direction, respectively located to the left and right of the lifting plate. The first left push rod and the first right push rod are both inclined along the left-right direction and arranged in an inverted V-shape relative to each other. The second left push rod is located to the left of the first left push rod and parallel to it. The second right push rod is located to the right of the first right push rod and parallel to it. The lower ends of the first left push rod, the second left push rod, the first right push rod, and the second right push rod are all rotatably connected to the limiting plate around the front-back direction. The upper ends of the first left push rod and the second left push rod are both located below the left extension support plate and rotatably connected to it around the front-back direction. The upper ends of the first right push rod and the second right push rod are both located below the right extension support plate and rotatably connected to it around the front-back direction.

[0015] Preferably, the first driving device is an electric motor.

[0016] Preferably, the base is a base plate, which is horizontally arranged and positioned along the left-right direction.

[0017] Preferably, both the left gear and the right gear are incomplete gears.

[0018] Preferably, the left gear, the right gear, the lower end of the first left push rod, the lower end of the second left push rod, the lower end of the first right push rod, and the lower end of the second right push rod are all located in front of the limiting plate.

[0019] Preferably, the lifting mechanism includes a second driving device, an internally threaded sleeve, a threaded screw, a left fixed rod, a right fixed rod, a left slide rod, and a right slide rod. The left and right fixed rods are both vertically arranged and spaced apart from each other on the base. The second driving device is mounted on the base and located between the left and right fixed rods. The drive shaft of the second driving device, the threaded screw, and the internally threaded sleeve are all vertically arranged. The lower end of the threaded screw is mounted on the upper end of the drive shaft of the second driving device. The lower end of the internally threaded sleeve is fitted with and threaded... The upper end of the threaded screw is engaged with the threaded rod. The support plate is disposed on the upper end of the internal threaded sleeve. The left slide rod and the right slide rod are both arranged along the left-right direction. The lower end of the internal threaded sleeve is located between the right end of the left slide rod and the left end of the right slide rod and respectively connects the right end of the left slide rod and the left end of the right slide rod. The left end of the left slide rod passes through the left fixed rod along the left-right direction and is vertically movable relative to the left fixed rod. The right end of the right slide rod passes through the right fixed rod along the left-right direction and is vertically movable relative to the right fixed rod.

[0020] More preferably, the second drive device is an electric motor.

[0021] More preferably, the left fixed rod is provided with a left sliding groove along the left-right direction. The left sliding groove is an elongated groove that extends vertically. The left end of the left sliding rod passes through the left sliding groove along the left-right direction and is vertically movable relative to the left sliding groove.

[0022] More preferably, the right fixed rod is provided with a right sliding groove along the left and right direction. The right sliding groove is an elongated sliding groove that extends vertically. The right end of the right sliding rod passes through the right sliding groove along the left and right direction and is vertically movable relative to the right sliding groove.

[0023] More preferably, the lifting mechanism further includes a limiting sleeve, which is vertically arranged and sleeved on the lower end of the internally threaded sleeve. The limiting sleeve is located between the right end of the left slide rod and the left end of the right slide rod and respectively connects the right end of the left slide rod and the left end of the right slide rod.

[0024] The main beneficial effects of this utility model are as follows:

[0025] 1. When the adjustable bracket of this utility model for building construction is used, it is raised and lowered through a lifting mechanism, thereby raising and lowering the support mechanism. The drive shaft of the first drive device drives the left gear, the lower end of the left lower connecting rod, and the lower end of the first left push rod to rotate counterclockwise, causing the right gear to rotate clockwise, which in turn causes the rotating shaft to rotate clockwise, thereby driving the lower end of the right lower connecting rod and the lower end of the first right push rod to rotate clockwise. As a result, the upper ends of the left lower connecting rod and the upper ends of the right lower connecting rod move away from each other and rise, thereby driving the lower ends of the left upper connecting rod and the upper ends of the right upper connecting rod to move away from each other and rise, thus raising the upper ends of the left upper connecting rod and the upper ends of the right upper connecting rod, until the left lower connecting rod and the upper left upper connecting rod move away from each other and rise. The connecting rods, lower right connecting rod, and upper right connecting rod are all vertical, enabling the lifting plate to rise. Simultaneously, the first left push rod pushes the left extension support plate to move downward to the left. The second left push rod follows the first left push rod and the left extension support plate until the left extension support plate moves to the left side of the lifting plate. The first right push rod pushes the right extension support plate to move downward to the right. The second right push rod follows the first right push rod and the right extension support plate until the right extension support plate moves to the right side of the lifting plate. This forms an extended support surface, increasing the contact area between the support mechanism and the building structure. Therefore, its support area and height are adjustable, reducing the footprint and facilitating use, transportation, and storage, making it suitable for large-scale application.

[0026] 2. When the adjustable bracket of this utility model for building construction is used, it is raised and lowered through a lifting mechanism, thereby raising and lowering the support mechanism. The drive shaft of the first drive device drives the left gear, the lower end of the left lower connecting rod, and the lower end of the first left push rod to rotate counterclockwise, causing the right gear to rotate clockwise, which in turn causes the rotating shaft to rotate clockwise. This causes the lower end of the right lower connecting rod and the lower end of the first right push rod to rotate clockwise, thereby causing the upper ends of the left and right lower connecting rods to move away from each other and rise. This, in turn, causes the lower ends of the left and right upper connecting rods to move away from each other and rise, thus raising the upper ends of the left and right upper connecting rods until the lower left and right upper connecting rods are raised. The connecting rods, upper left connecting rod, lower right connecting rod, and upper right connecting rod are all vertical, enabling the lifting plate to rise. Simultaneously, the first left push rod pushes the left extension support plate to move downward to the left, and the second left push rod follows the first left push rod and the left extension support plate until the left extension support plate moves to the left side of the lifting plate. The first right push rod pushes the right extension support plate to move downward to the right, and the second right push rod follows the first right push rod and the right extension support plate until the right extension support plate moves to the right side of the lifting plate. This forms an extended support surface, increasing the contact area between the support mechanism and the building. Therefore, its design is ingenious, its structure is simple, its manufacturing is easy, and its manufacturing cost is low, making it suitable for large-scale promotion and application.

[0027] These and other objects, features and advantages of this utility model will be fully apparent from the following detailed description and drawings, and can be achieved by the means, devices and combinations thereof specifically pointed out in the description of the utility model. Attached Figure Description

[0028] Figure 1 This is a three-dimensional schematic diagram of a specific embodiment of the adjustable support for building construction projects according to this utility model.

[0029] Figure 2 yes Figure 1 A perspective view of the components of the base, lifting mechanism, and support plate and limiting plate of the support mechanism in the specific embodiment shown.

[0030] Figure 3 yes Figure 1 The diagram shows a perspective view of the support mechanism of a specific embodiment, where the support plate and the limiting plate are not shown.

[0031] (Symbol Explanation)

[0032] 1. Base;

[0033] 2 Lifting mechanism; 201 Second drive device; 202 Internal threaded sleeve; 203 Threaded screw; 204 Left fixed rod; 205 Right fixed rod; 206 Left slide rod; 207 Right slide rod; 208 Left slide groove; 209 Right slide groove; 210 Limiting sleeve;

[0034] 3 Support mechanism; 301 Support plate; 302 Limiting plate; 303 First driving device; 304 Rotating shaft; 305 Left gear; 306 Right gear; 307 Lifting plate; 308 Upper left connecting rod; 309 Lower left connecting rod; 310 Upper right connecting rod; 311 Lower right connecting rod; 312 Left extension support plate; 313 Right extension support plate; 314 First left push rod; 315 Second left push rod; 316 First right push rod; 317 Second right push rod; 318 Left fixing ring; 319 Right fixing ring. Detailed Implementation

[0035] In order to better understand the technical content of this utility model, the following embodiments are provided for detailed description.

[0036] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0037] Please see Figures 1-3 As shown, in a specific embodiment of this utility model, the adjustable bracket for building construction includes a base 1, a lifting mechanism 2, and a support mechanism 3, wherein:

[0038] The lifting mechanism 2 is mounted on the base 1;

[0039] The support mechanism 3 includes a support plate 301, a limiting plate 302, a first driving device 303, a rotating shaft 304, a left gear 305, a right gear 306, a lifting plate 307, a left upper connecting rod 308, a left lower connecting rod 309, a right upper connecting rod 310, a right lower connecting rod 311, a left extension support plate 312, a right extension support plate 313, a first left push rod 314, a second left push rod 315, a first right push rod 316, and a second right push rod 317, wherein:

[0040] The support plate 301 is horizontally arranged and positioned on the lifting mechanism 2 along the left-right direction. The limiting plate 302 is vertically arranged and positioned on the front side of the support plate 301 along the left-right direction. The first driving device 303 is arranged on the support plate 301 and located behind the limiting plate 302. The drive shaft of the first driving device 303 passes through the limiting plate 302 along the front-back direction and is rotatable relative to the limiting plate 302 in the front-back direction. The rotating shaft 304 is arranged along the front-back direction and located to the right of the drive shaft of the first driving device 303. The rotating shaft 304 passes through the limiting plate 302 along the front-back direction and is rotatable relative to the limiting plate 302 in the front-back direction. The left gear 305 and the right gear 306 are both vertically arranged and positioned along the left-right direction, and are meshed with each other. The left gear 305 and the right gear 306 are respectively sleeved on... The first driving device 303 is mounted on its drive shaft and the rotating shaft 304. The lifting plate 307 is horizontally positioned along the left-right direction and located above the support plate 301. The lower left connecting rod 309 and the lower right connecting rod 311 are both vertically positioned and spaced apart from each other. The lower ends of the lower left connecting rod 309 and the lower ends of the lower right connecting rod 311 are respectively sleeved on the drive shaft and the rotating shaft 304 of the first driving device 303. The upper left connecting rod 308 and the upper right connecting rod 310 are both vertically arranged and spaced apart from each other. The lower ends of the upper left connecting rod 308 and the upper right connecting rod 310 are rotatably connected to the upper ends of the lower left connecting rod 309 and the upper ends of the lower right connecting rod 311, respectively, around the front-back direction. The upper ends of the upper left connecting rod 308 and the upper right connecting rod 310 are both located below the lifting plate 307 and are rotatably connected to the lifting plate 307 around the front-back direction.

[0041] The left extension support plate 312 and the right extension support plate 313 are both horizontally arranged and along the left-right direction, respectively located to the left and right of the lifting plate 307. The first left push rod 314 and the first right push rod 316 are both inclined along the left-right direction and arranged in an inverted V-shape relative to each other. The second left push rod 315 is located to the left of the first left push rod 314 and parallel to the first left push rod 314. The second right push rod 317 is located to the right of the first right push rod 316 and parallel to the first right push rod 316. The first left push rod 314... The lower ends of the first right push rod 314, the second left push rod 315, the first right push rod 316, and the second right push rod 317 are all rotatably connected to the limiting plate 302 in the front-back direction. The upper ends of the first left push rod 314 and the second left push rod 315 are both located below the left extension support plate 312 and are rotatably connected to the left extension support plate 312 in the front-back direction. The upper ends of the first right push rod 316 and the second right push rod 317 are both located below the right extension support plate 313 and are rotatably connected to the right extension support plate 313 in the front-back direction.

[0042] The first driving device 303 can be any suitable driving device. In a specific embodiment of the present invention, the first driving device 303 is a motor.

[0043] The base 1 can have any suitable shape, please refer to Figures 1-2 As shown, in a specific embodiment of this utility model, the base 1 is a base plate, which is horizontally arranged and arranged along the left and right directions.

[0044] The left gear 305 and the right gear 306 can be complete gears or incomplete gears. A complete gear is a gear with all teeth, while an incomplete gear is a gear that is missing some teeth compared to a complete gear. Please refer to [link to relevant documentation]. Figure 1 and Figure 3 As shown, in a specific embodiment of this utility model, both the left gear 305 and the right gear 306 are incomplete gears.

[0045] The lower ends of the left gear 305, the right gear 306, the first left push rod 314, the second left push rod 315, the first right push rod 316, and the second right push rod 317 can be located either behind or in front of the limiting plate 302. Please refer to [link to relevant documentation]. Figure 1As shown, in a specific embodiment of this utility model, the lower ends of the left gear 305, the right gear 306, the first left push rod 314, the second left push rod 315, the first right push rod 316, and the second right push rod 317 are all located in front of the limiting plate 302.

[0046] The left gear 305 is sleeved on the drive shaft of the first drive device 303, and can adopt any suitable structure. Please refer to [link / reference]. Figure 1 and Figure 3 As shown, in a specific embodiment of the present invention, the support mechanism 3 further includes a left fixing ring 318, which is vertically arranged and arranged along the left-right direction and sleeved on the drive shaft of the first drive device 303, and the left gear 305 is sleeved on the left fixing ring 318.

[0047] The right gear 306 is sleeved on the rotating shaft 304 and can adopt any suitable structure; please refer to [link / reference]. Figure 1 and Figure 3 As shown, in a specific embodiment of the present invention, the support mechanism 3 further includes a right fixing ring 319, which is vertically arranged and arranged along the left-right direction and sleeved on the rotating shaft 304, and the right gear 306 is sleeved on the right fixing ring 319.

[0048] The lifting mechanism 2 can have any suitable configuration; please refer to [link / reference]. Figures 1-2As shown, in a specific embodiment of this utility model, the lifting mechanism 2 includes a second driving device 201, an internal threaded sleeve 202, a threaded screw 203, a left fixed rod 204, a right fixed rod 205, a left sliding rod 206, and a right sliding rod 207. The left fixed rod 204 and the right fixed rod 205 are both vertically arranged and spaced apart on the base 1. The second driving device 201 is disposed on the base 1 and located between the left fixed rod 204 and the right fixed rod 205. The drive shaft of the second driving device 201, the threaded screw 203, and the internal threaded sleeve 202 are all vertically arranged. The lower end of the threaded screw 203 is disposed on the upper end of the drive shaft of the second driving device 201. The internal threaded sleeve 202... The lower end of the sleeve 202 is fitted and threadedly engaged with the upper end of the threaded screw 203. The support plate 301 is disposed on the upper end of the internal threaded sleeve 202. The left slide rod 206 and the right slide rod 207 are both arranged along the left-right direction. The lower end of the internal threaded sleeve 202 is located between the right end of the left slide rod 206 and the left end of the right slide rod 207 and respectively connects the right end of the left slide rod 206 and the left end of the right slide rod 207. The left end of the left slide rod 206 passes through the left fixed rod 204 along the left-right direction and is vertically movable relative to the left fixed rod 204. The right end of the right slide rod 207 passes through the right fixed rod 205 along the left-right direction and is vertically movable relative to the right fixed rod 205.

[0049] With the above configuration, when lifting is required via the lifting mechanism 2, the threaded screw 203 is driven to rotate horizontally by the drive shaft of the second drive device 201. Under the vertical guiding action of the left slide rod 206 in the left fixed rod 204 and the vertical guiding action of the right slide rod 207 in the right fixed rod 205, the internal threaded sleeve 202 rises. Conversely, the threaded screw 203 is driven to rotate horizontally in the opposite direction by the drive shaft of the second drive device 201. Under the vertical guiding action of the left slide rod 206 in the left fixed rod 204 and the vertical guiding action of the right slide rod 207 in the right fixed rod 205, the internal threaded sleeve 202 descends.

[0050] The second drive device 201 can be any suitable drive device. In a specific embodiment of the present invention, the second drive device 201 is a motor.

[0051] The left end of the left slide bar 206 passes through the left fixed bar 204 along the left-right direction and is vertically movable relative to the left fixed bar 204. Any suitable structure can be used; please refer to [link / reference needed]. Figures 1-2As shown, in a specific embodiment of this utility model, the left fixed rod 204 is provided with a left sliding groove 208 along the left-right direction. The left sliding groove 208 is a long strip-shaped groove that extends vertically. The left end of the left sliding rod 206 passes through the left sliding groove 208 along the left-right direction and is vertically movable relative to the left sliding groove 208.

[0052] The right end of the right slide bar 207 passes through the right fixed bar 205 along the left-right direction and is vertically movable relative to the right fixed bar 205. Any suitable structure can be used; please refer to [link / reference needed]. Figures 1-2 As shown, in a specific embodiment of this utility model, the right fixed rod 205 is provided with a right sliding groove 209 along the left-right direction. The right sliding groove 209 is an elongated sliding groove that extends vertically. The right end of the right sliding rod 207 passes through the right sliding groove 209 along the left-right direction and is vertically movable relative to the right sliding groove 209.

[0053] The lower end of the internally threaded sleeve 202 is located between the right end of the left slide rod 206 and the left end of the right slide rod 207, and connects the right end of the left slide rod 206 and the left end of the right slide rod 207 respectively. Any suitable structure can be adopted; please refer to [link / reference]. Figures 1-2 As shown, in a specific embodiment of this utility model, the lifting mechanism 2 further includes a limiting sleeve 210. The limiting sleeve 210 is vertically arranged and sleeved on the lower end of the internal threaded sleeve 202. The limiting sleeve 210 is located between the right end of the left slide rod 206 and the left end of the right slide rod 207 and respectively connects the right end of the left slide rod 206 and the left end of the right slide rod 207.

[0054] In use, the lifting mechanism 2 is used to raise and lower the support mechanism 3. The support mechanism 3 described above is in the use position. After use, from a front-to-back perspective, the drive shaft of the first drive device 303 drives the lower end of the left gear 305, the lower end of the left lower connecting rod 309, and the lower end of the first left push rod 314 to rotate clockwise, causing the right gear 306 to rotate counterclockwise, which in turn causes the rotating shaft 304 to rotate counterclockwise. This causes the lower end of the right lower connecting rod 311 and the lower end of the first right push rod 316 to rotate counterclockwise, so that the upper ends of the left lower connecting rod 309 and the upper ends of the right lower connecting rod 311 move closer together and lower, causing the lower ends of the left upper connecting rod 308 and the lower ends of the right upper connecting rod 310 to move closer together and lower, thereby lowering the upper ends of the left upper connecting rod 308 and the right upper connecting rod 310. The upper end of the upper connecting rod 310 lowers the lifting plate 307. At the same time, the first left push rod 314 drives the left extension support plate 312 to move towards the lifting plate 307 (to the upper right). The second left push rod 315 follows the first left push rod 314 and the left extension support plate 312 until the left extension support plate 312 moves above the lifting plate 307. The first right push rod 316 drives the right extension support plate 313 to move towards the lifting plate 307 (to the upper left). The second right push rod 317 follows the first right push rod 316 and the right extension support plate 313 until the right extension support plate 313 moves above the lifting plate 307. Then, the lifting mechanism 2 lowers the plate. At this time, the adjustable bracket can be retracted or moved to the next part that needs support.

[0055] After moving to the next support location, the lifting mechanism 2 raises the support mechanism 3 to a suitable position. The drive shaft of the first drive device 303 drives the lower ends of the left gear 305, the left lower connecting rod 309, and the first left push rod 314 to rotate counterclockwise, causing the right gear 306 to rotate clockwise. This, in turn, causes the rotating shaft 304 to rotate clockwise, which in turn drives the lower ends of the right lower connecting rod 311 and the first right push rod 316 to rotate clockwise. This causes the upper ends of the left lower connecting rod 309 and the right lower connecting rod 311 to move away from each other and rise, thus causing the lower ends of the left upper connecting rod 308 and the right upper connecting rod 310 to move away from each other and rise. This raises the upper ends of the left upper connecting rod 308 and the right upper connecting rod 310 until the left lower connecting rod 309, the left upper connecting rod 308, and the right lower connecting rod 310 are all in position. Both rod 311 and upper right connecting rod 310 are vertical, enabling the lifting plate 307 to rise. Simultaneously, the first left push rod 314 pushes the left extension support plate 312 to move away from the lifting plate 307 (to the lower left). The second left push rod 315 follows the first left push rod 314 and the left extension support plate 312 until the left extension support plate 312 moves to the left side of the lifting plate 307. The first right push rod 316 pushes the right extension support plate 313 to move away from the lifting plate 307 (to the lower right). The second right push rod 317 follows the first right push rod 316 and the right extension support plate 313 until the right extension support plate 313 moves to the right side of the lifting plate 307, thereby forming an extended support surface, increasing the contact area between the support mechanism 3 and the building, and increasing the stability of the adjustable bracket in supporting the building project.

[0056] Therefore, compared with the prior art, the present invention has the following advantages:

[0057] 1. In this utility model, by setting a support mechanism, the support area of ​​the bracket can be adjusted according to the size of the equipment that needs to be supported in the building construction project, which improves the stability and applicability of the support during the use of the building construction project. It not only reduces the footprint, but also reduces the inconvenience to construction workers.

[0058] 2. In this utility model, by setting up a support mechanism and a lifting mechanism, the space occupancy rate of the adjustable bracket can be adjusted when not in use, which is convenient for transportation, reduces the consumption of manpower and material resources during transportation, and improves construction efficiency.

[0059] In summary, the adjustable support area and height of this utility model for building construction projects are adjustable, reducing the floor space required, and making it convenient to use, transport, and store. It features a clever design, simple structure, easy manufacturing, and low manufacturing cost, making it suitable for large-scale promotion and application.

[0060] Therefore, it is evident that the objective of this utility model has been fully and effectively achieved. The function and structural principles of this utility model have been demonstrated and explained in the embodiments. Without departing from the stated principles, any modifications can be made to the implementation methods. Therefore, this utility model includes all modified embodiments based on the spirit and scope of the claims.

Claims

1. An adjustable support frame for building construction projects, comprising a base, characterized in that, The adjustable support frame for building construction projects further includes a lifting mechanism and a support mechanism, wherein: The lifting mechanism is mounted on the base; The support mechanism includes a support plate, a limiting plate, a first driving device, a rotating shaft, a left gear, a right gear, a lifting plate, an upper left connecting rod, a lower left connecting rod, an upper right connecting rod, a lower right connecting rod, a left extension support plate, a right extension support plate, a first left push rod, a second left push rod, a first right push rod, and a second right push rod, wherein: The support plate is horizontally positioned on the lifting mechanism along the left-right direction. The limiting plate is vertically positioned on the front side of the support plate along the left-right direction. The first driving device is positioned on the support plate and behind the limiting plate. The drive shaft of the first driving device passes through the limiting plate along the front-back direction and is rotatable relative to the limiting plate in the front-back direction. The rotating shaft is positioned along the front-back direction and located to the right of the drive shaft of the first driving device. The rotating shaft passes through the limiting plate along the front-back direction and is rotatable relative to the limiting plate in the front-back direction. The left gear and the right gear are both vertically positioned and along the left-right direction, and are meshed with each other. The left gear and the right gear are respectively fitted with... The lifting plate is horizontally arranged along the left-right direction and located above the support plate, connected to the drive shaft and the rotating shaft of the first driving device. The lower left connecting rod and the lower right connecting rod are both vertically arranged and spaced apart from each other. The lower ends of the lower left connecting rod and the lower ends of the lower right connecting rod are respectively sleeved on the drive shaft and the rotating shaft of the first driving device. The upper left connecting rod and the upper right connecting rod are both vertically arranged and spaced apart from each other. The lower ends of the upper left connecting rod and the lower ends of the upper right connecting rod are rotatably connected to the upper ends of the lower left connecting rod and the upper ends of the lower right connecting rod, respectively, around the front-back direction. The upper ends of the upper left connecting rod and the upper ends of the upper right connecting rod are both located below the lifting plate and are rotatably connected to the lifting plate around the front-back direction. The left and right extension support plates are both horizontally arranged and along the left-right direction, respectively located to the left and right of the lifting plate. The first left push rod and the first right push rod are both inclined along the left-right direction and arranged in an inverted V-shape relative to each other. The second left push rod is located to the left of the first left push rod and parallel to it. The second right push rod is located to the right of the first right push rod and parallel to it. The lower ends of the first left push rod, the second left push rod, the first right push rod, and the second right push rod are all rotatably connected to the limiting plate around the front-back direction. The upper ends of the first left push rod and the second left push rod are both located below the left extension support plate and rotatably connected to it around the front-back direction. The upper ends of the first right push rod and the second right push rod are both located below the right extension support plate and rotatably connected to it around the front-back direction.

2. The adjustable support for building construction as described in claim 1, characterized in that, The first driving device is a motor.

3. The adjustable support for building construction as described in claim 1, characterized in that, The base is a base plate, which is horizontally positioned and arranged along the left-right direction.

4. The adjustable support for building construction as described in claim 1, characterized in that, Both the left gear and the right gear are incomplete gears.

5. The adjustable bracket for building construction as described in claim 1, characterized in that, The left gear, the right gear, the lower end of the first left push rod, the lower end of the second left push rod, the lower end of the first right push rod, and the lower end of the second right push rod are all located in front of the limiting plate.

6. The adjustable support for building construction as described in claim 1, characterized in that, The lifting mechanism includes a second drive device, an internal threaded sleeve, a threaded screw, a left fixed rod, a right fixed rod, a left slide rod, and a right slide rod. The left and right fixed rods are both vertically arranged and spaced apart on the base. The second drive device is mounted on the base and located between the left and right fixed rods. The drive shaft of the second drive device, the threaded screw, and the internal threaded sleeve are all vertically arranged. The lower end of the threaded screw is mounted on the upper end of the drive shaft of the second drive device, and the lower end of the internal threaded sleeve is fitted and threaded into it. The upper end of the threaded screw is connected to the upper end of the internal threaded sleeve. The support plate is disposed on the upper end of the internal threaded sleeve. The left slide rod and the right slide rod are both arranged along the left-right direction. The lower end of the internal threaded sleeve is located between the right end of the left slide rod and the left end of the right slide rod and respectively connects the right end of the left slide rod and the left end of the right slide rod. The left end of the left slide rod passes through the left fixed rod along the left-right direction and is vertically movable relative to the left fixed rod. The right end of the right slide rod passes through the right fixed rod along the left-right direction and is vertically movable relative to the right fixed rod.

7. The adjustable support for building construction as described in claim 6, characterized in that, The second driving device is a motor.

8. The adjustable support for building construction as described in claim 6, characterized in that, The left fixed rod is provided with a left sliding groove along the left-right direction. The left sliding groove is a long strip-shaped groove that extends vertically. The left end of the left sliding rod passes through the left sliding groove along the left-right direction and is vertically movable relative to the left sliding groove.

9. The adjustable support for building construction as described in claim 6, characterized in that, The right fixed rod is provided with a right sliding groove along the left and right direction. The right sliding groove is a long strip-shaped groove that extends vertically. The right end of the right sliding rod passes through the right sliding groove along the left and right direction and is vertically movable relative to the right sliding groove.

10. The adjustable support for building construction as described in claim 6, characterized in that, The lifting mechanism also includes a limiting sleeve, which is vertically arranged and sleeved on the lower end of the internally threaded sleeve. The limiting sleeve is located between the right end of the left slide rod and the left end of the right slide rod and respectively connects the right end of the left slide rod and the left end of the right slide rod.

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