Multi-directional adjustable fixing device for construction engineering fences

Abstract

The utility model relates to the field of building construction technology discloses the multi -way adjusting formula fixing device for constructional engineering fence, including support column, the bottom fixedly connected with the bearing plate of support column, the top inner wall fixedly connected with a plurality of push rods of support column, a plurality of push rod's bottom fixedly connected with mobile axle respectively, the outer side of far side of a plurality of mobile axle is connected with support strip no.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, and in particular to a multi-directional adjustable fixing device for building engineering fences. Background Technology

[0002] Multi-directional adjustable fixing devices for construction fences are important auxiliary equipment used on construction sites, primarily for stabilizing fences. These devices feature multi-directional adjustment, allowing for flexible adjustment of the fixing position and direction according to the complex and varied terrain conditions, fence installation height, and angle requirements. This ensures secure installation of the fence, effectively improving the safety and isolation of the construction area, while reducing installation difficulties caused by terrain and other factors. It also ensures clear boundary demarcation of the construction site and reduces safety hazards.

[0003] Multi-directional adjustable fixing devices for building fences primarily rely on the coordinated operation of movable, modular components and adjustment mechanisms. By incorporating retractable and rotatable connecting parts, combined with positioning slots, threaded adjustment rods, or hydraulic / pneumatic drive components, they can be flexibly adjusted horizontally, vertically, and at multiple angles. During construction, operators can adjust the length of the support legs, tilt angle, and tightening force of the fixing device according to actual needs such as ground slope and installation height. After being fixed by the positioning and locking mechanism, a stable connection structure is formed between the fence and the ground, posts, etc., thereby ensuring the stable installation and use of the fence in complex environments.

[0004] However, some existing multi-directional adjustable fixing devices for construction fences suffer from unstable support during use, revealing significant performance shortcomings. When faced with complex and variable geological conditions, such as soft foundations and steep slopes, these fixing devices struggle to achieve a stable connection with the ground. In extreme weather conditions, such as continuous strong winds and heavy rain, or vibrations and impacts from heavy machinery operations at construction sites, displacement and loosening between the device and the fence can easily occur, resulting in serious instability. This instability not only weakens the safety protection function of the construction fence at the construction site but also leads to a series of chain reactions, such as hindering construction progress, damaging equipment, and even endangering the lives of construction workers, due to fence tilting or collapse. Therefore, the use of multi-directional adjustable fixing devices for construction fences is proposed to address these problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a multi-directional adjustable fixing device for building engineering fences, aiming to improve the problem of unstable support in the use of existing multi-directional adjustable fixing devices for building engineering fences.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a multi-directional adjustable fixing device for building engineering fences, comprising a support column, a load-bearing plate fixedly connected to the bottom end of the support column, multiple push rods fixedly connected to the inner wall of the top end of the support column, a movable shaft fixedly connected to the bottom end of each of the multiple push rods, a support bar rotatably connected to the outer side of each of the multiple movable shafts on opposite sides, a rotating shaft 2 fixedly connected to the inner side of each of the multiple support bars 1 on opposite sides, multiple fixed shafts rotatably connected to the inner section of the middle section of the support column, support bars 2 fixedly connected to the outer side of each of the multiple fixed shafts, a rotating shaft 1 rotatably connected to the inner side of each of the multiple support bars 2, a support rod slidably connected to the outer side of each of the multiple rotating shafts 1, multiple retractable columns fixedly connected to the inner wall of the bottom end of each of the multiple support rods, a movable plate 1 slidably connected to the inner wall of the bottom end of each of the multiple support rods, a support component for support fixedly connected to the inner wall of the bottom end of each of the multiple movable plates 1, and a fixing component for fixed installation slidably connected inside the support column.

[0007] As a further description of the above technical solution: the fixing component includes a control rod, the control rod is slidably connected to the inner wall of the support column, a limiting disc is fixedly connected to the bottom end of the control rod, a fixing strip is fixedly connected to the bottom end of the control rod, a push block is fixedly connected to the bottom end of the fixing strip, multiple connecting strips are slidably connected to the inner wall of the bottom end of the support column, movable plates are fixedly connected to adjacent sides of the multiple connecting strips, two push strips are fixedly connected to distant sides of the multiple connecting strips, telescopic rods are fixedly connected to adjacent bottom ends of the multiple movable plates, a fixing block is fixedly connected to adjacent sides of the multiple telescopic rods, multiple telescopic columns are fixedly connected to the inner wall of the load-bearing plate, springs are sleeved on the outside of the multiple telescopic columns, limit posts are fixedly connected to adjacent ends of the multiple telescopic columns, springs are sleeved on the bottom end of the control rod, a control column is fixedly connected to the top end of the control rod, and a protective shell is fixedly connected to the top end of the support column.

[0008] As a further description of the above technical solution: the support assembly includes multiple rotating shafts three, the outer sides of the multiple rotating shafts three are rotatably connected to the inner walls of the bottom ends of the multiple movable plates one, the bottom ends of the multiple rotating shafts three are fixedly connected to retractable rods, the inner walls of the bottom ends of the multiple movable plates one are rotatably connected to stabilizing plates one, the inner walls of the bottom ends of the multiple movable plates one are rotatably connected to stabilizing plates two, the outer sides of the multiple retractable rods with their proximal ends are fixedly connected to the inner walls of the multiple stabilizing plates one with their proximal ends, and the outer sides of the multiple retractable rods with their distal ends are fixedly connected to the inner walls of the multiple stabilizing plates two with their distal ends.

[0009] As a further description of the above technical solution: the middle sections of the plurality of support bars 2 are respectively rotatably connected to connecting shafts, the outer sides of the plurality of connecting shafts are respectively rotatably connected to the middle sections of the plurality of support bars 1, and the outer sides of the plurality of rotating shafts 2 that are far apart are respectively rotatably connected to the inner walls of the plurality of support rods that are close to each other.

[0010] As a further description of the above technical solution: each of the plurality of shrinking columns is fitted with a spring, and the bottom ends of the plurality of shrinking columns are respectively fixedly connected to the top ends of the plurality of moving plates.

[0011] As a further description of the above technical solution: the bottom end of the push block is slidably connected to the outside of the top end of the adjacent side of the plurality of movable plates II, the far ends of the plurality of push bars are respectively slidably connected to the adjacent ends of the plurality of limiting posts, and the adjacent sides of the plurality of limiting posts are fixedly connected to the inside of the bottom end of the support post.

[0012] As a further description of the above technical solution: the bottom end of the fixing block is fixedly connected to the inner wall of the bottom end of the support column, the bottom ends of the multiple movable plates are slidably connected to the inner wall of the bottom end of the support column, the bottom ends of the multiple connecting strips are slidably connected to the inner wall of the bottom end of the support column, the top end of the spring is fixedly connected to the bottom end of the limiting disk, and the outside of the limiting disk is slidably connected to the inside of the support column.

[0013] As a further description of the above technical solution: the external sliding connection of the plurality of limiting posts is to the inside of the load-bearing plate, the external sliding connection of the plurality of springs II is to the inside of the load-bearing plate, and the external sliding connection of the fixing strip is to the inside of the support post.

[0014] This utility model has the following beneficial effects:

[0015] 1. In this utility model, the support column drives the load-bearing plate to make stable contact with the ground, providing basic support force. The push rod pushes the moving shaft to move downward, causing the first support bar to rotate and unfold around the second pivot. While the moving shaft drives the first support bar to rotate, the second support bar rotates around the fixed axis through the connecting shaft, expanding the support range in conjunction with the first support bar. When the second support bar rotates, the first pivot drives the support rod to slide downward, increasing the longitudinal depth of the support. The contraction column and the first spring cooperate to compress and buffer the support rod when it is under force and reset it when it is not under force, ensuring stable support of the support rod. The first moving plate slides inside the support rod, driving the third pivot, the contraction rod, the first stabilizing plate, and the second stabilizing plate to move. The contraction rod extends and retracts to adjust the spacing between the stabilizing plates, enhancing lateral stability. All components are linked together, so that the support structure is distributed with force in multiple directions, thereby achieving a stable support effect in multiple angles and directions, effectively dealing with different stress conditions, and ensuring the stability of the overall structure.

[0016] 2. In this utility model, the control rod drives the limiting disc to slide on the inner wall of the support column, while simultaneously compressing the spring three, changing its position within the support column. When the control rod moves downward, it drives the fixing strip and the push block to move downward. The push block pushes the moving plate two to slide on the inner wall at the bottom of the support column. The moving plate two drives the connecting strip and the push strip to move. The push strip slides along the limiting column, causing the moving plate two to move outward. When the moving plate two moves, it drives the push block, which pushes the push strip. When the push strip moves, it pushes the limiting column away from the inside of the support column, thereby achieving convenient fixing and rapid installation of the support column inside the load-bearing plate, simplifying the installation process, improving the stability and reliability of the fixing, and ensuring the safety of the device during use. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of the multi-directional adjustable fixing device for building engineering fences proposed in this utility model.

[0018] Figure 2 This is a schematic diagram of the load-bearing plate of the multi-directional adjustable fixing device for building engineering fences proposed in this utility model.

[0019] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 for Figure 2 Enlarged view of point B in the middle.

[0021] Legend:

[0022] 1. Support column; 2. Load-bearing plate; 3. Moving shaft; 4. Push rod; 5. Support bar one; 6. Fixed shaft; 7. Support bar two; 8. Connecting shaft; 9. Rotating shaft one; 10. Support rod; 11. Rotating shaft two; 12. Retractable column; 13. Spring one; 14. Moving plate one; 15. Rotating shaft three; 16. Retractable rod; 17. Stabilizing plate one; 18. Stabilizing plate two; 19. Control rod; 20. Limiting disc; 21. Fixed bar; 22. Push block; 23. Connecting bar; 24. Push bar; 25. Moving plate two; 26. Telescopic column; 27. Limiting column; 28. Spring two; 29. ​​Fixed block; 30. Telescopic rod; 31. Spring three; 32. Control column; 33. Protective shell. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Reference Figures 1 to 3 This utility model provides an embodiment of a multi-directional adjustable fixing device for building engineering fences, including a support column 1. A load-bearing plate 2 is fixedly connected to the bottom end of the support column 1. Multiple push rods 4 are fixedly connected to the inner wall of the top end of the support column 1. The push rods 4 extend and retract along a track on the inner wall of the top end of the support column 1, and their extension and retraction length and force can be adjusted according to actual needs. A movable shaft 3 is fixedly connected to the bottom end of each of the multiple push rods 4. When the push rods 4 extend and retract, a connecting point for the movement and rotation of the support bar 5 is provided. Support bars 5 are rotatably connected to the outer sides of the multiple movable shafts 3 on opposite sides. Driven by the movable shafts 3, they rotate around the movable shafts 3. When the push rods 4 push the movable shafts 3 downwards, the support bars 5 expand outwards; conversely, they retract inwards.

[0025] Multiple support bars 5 have rotating shafts 11 fixedly connected to their respective bottom ends on opposite sides, ensuring the flexibility and stability of the connection between support bars 5 and support rods 10. This allows the entire support structure to adaptively adjust according to actual needs during movement. Multiple fixed shafts 6 are rotatably connected to the middle section of support column 1, providing fixed rotation fulcrums for support bars 7. Support bars 7 can rotate around fixed shafts 6. During the entire expansion or contraction of the support structure, fixed shafts 6 remain stationary. Support bars 7 are fixedly connected to the outside of the multiple fixed shafts 6, rotating on the fixed shafts 6 in the middle section of support column 1. When support bars 5 expand under the action of push rod 4, support bars 7 cooperate with support bars 5 through connecting shafts 8, expanding synchronously. Multiple support bars 7 have rotating shafts 9 rotatably connected to their respective bottom ends on opposite sides, serving as connecting components between support bars 7 and support rods 10, allowing support rods 10 to slide and rotate on support bars 7.

[0026] When support bar 2 7 rotates and unfolds, support rod 10 can slide along the direction of support bar 2 7 and adjust its angle via pivot 1 9. Support rods 10 are slidably connected to the outside of multiple pivot 1 9, sliding along the axis of pivot 1 9 under its influence, and also rotating around pivot 1 9. Multiple retractable columns 12 are fixedly connected to the inner walls of the bottom ends of multiple support rods 10. When support rods 10 are subjected to pressure upon contact with the ground, the inner rods of the retractable columns 12 retract upwards within the outer cylinder, absorbing and buffering the impact force from the ground. Movable plates 14 are slidably connected to the inner walls of the bottom ends of multiple support rods 10, sliding along the inner walls inside the support rods 10. When the retractable columns 12 extend or retract, they drive the movable plates 14 to move synchronously. The movable plates 14, through connections with other components, transmit the movement of the retractable columns 12 to the support assembly, further adjusting the stability of the support structure. Support assemblies for support are fixedly connected to the inner walls of the bottom ends of multiple movable plates 14, and fixing assemblies for fixed installation are slidably connected inside the support rods 1.

[0027] Reference Figures 2 to 4 The fixing component includes a control rod 19, which is externally slidably connected to the inner wall of the support column 1 to ensure the movement accuracy of the control rod 19, enabling subsequent structures to operate in a predetermined manner and improving the reliability and stability of the fixing component. A limiting disc 20 is fixedly connected to the bottom of the control rod 19. When the control rod 19 slides to a certain position, the limiting disc 20 contacts the limiting structure on the inner wall of the support column 1, limiting the control rod 19 from further sliding. A fixing strip 21 is fixedly connected to the bottom of the control rod 19. When the control rod 19 slides up and down, the fixing strip 21 moves synchronously, transmitting the movement of the control rod 19 downwards to the push block 22. The push block 22 is fixedly connected to the bottom of the fixing strip 21. Driven by the fixing strip 21, the push block 22 moves downwards, using its inclined surface to push the moving plate 25 to slide on the inner wall of the bottom of the support column 1.

[0028] Multiple connecting strips 23 are slidably connected to the inner wall of the bottom end of the support column 1. Driven by the second movable plate 25, the connecting strips 23 slide on the inner wall of the bottom end of the support column 1, transmitting the movement of the second movable plate 25 to the pusher 24. The second movable plate 25 is fixedly connected to the adjacent side of the multiple connecting strips 23. Under the push of the pusher block 22, the second movable plate 25 slides horizontally on the inner wall of the bottom end of the support column 1, while driving the connecting strips 23 and the pusher 24 to move. Two pushers 24 are fixedly connected to the distant side of the multiple connecting strips 23. Telescopic rods 30 are fixedly connected to the bottom end of the adjacent side of the multiple second movable plates 25. Under the pull of the second movable plate 25, the telescopic rods 30 perform telescopic movement. When the telescopic rods 30 retract, they move towards the center through the fixing block 29. The fixing block 29 is fixedly connected to the adjacent side of the multiple telescopic rods 30. Multiple telescopic columns 26 are fixedly connected to the inner wall of the load-bearing plate 2.

[0029] Multiple telescopic columns 26 are each fitted with a second spring 28. When the telescopic columns 26 extend or retract, the second spring 28 compresses or extends accordingly, using its elastic force to provide a reset force for the telescopic columns 26. Limiting columns 27 are fixedly connected to adjacent ends of the multiple telescopic columns 26 to ensure the accuracy and stability of the push bar 24's movement, enabling coordinated operation between the components of the fixing assembly. A third spring 31 is fitted to the bottom end of the control rod 19. When the control rod 19 slides downwards, the third spring 31 is compressed, storing elastic potential energy. When the external force is removed, the third spring 31 releases its elastic potential energy, pushing the control rod 19 upwards to reset. A control column 32 is fixedly connected to the top of the control rod 19, serving as the direct component for operator control. By applying external force to the control column 32, a protective shell 33 is fixedly connected to the top of the support column 1. This encloses the control rod 19, control column 32, and other components internally, preventing dust and debris from entering, and providing mechanical protection for the internal components.

[0030] Reference Figures 1 to 3 The support assembly includes multiple rotating shafts 15, which are rotatably connected to the inner walls of the bottom ends of multiple movable plates 14. When the movable plates 14 slide or are subjected to force, the rotating shafts 15 can rotate freely relative to their inner walls, transmitting the motion of the movable plates 14 to the retracting rods 16. The bottom ends of the multiple rotating shafts 15 are fixedly connected to the retracting rods 16, which drive the movement of the stabilizing plates 17 and 18 through their own extension and contraction. The inner walls of the bottom ends of the multiple movable plates 14 are rotatably connected to the stabilizing plates 17. Driven by the retracting rods 16, the stabilizing plates 17 rotate around their connection points with the movable plates 14. The inner walls of the bottom ends of the multiple movable plates 14 are rotatably connected to the stabilizing plates 18, which work together with the stabilizing plates 17. Driven by the retracting rods 16, they rotate around their connection points with the movable plates 14, together forming a stable support structure.

[0031] Multiple retractable rods 16 have their adjacent ends fixedly connected to the inner walls of adjacent sides of multiple stabilizing plates 17. When the retractable rods 16 extend or retract, they transmit force to the stabilizing plates 17 through the fixed connection points, causing the stabilizing plates 17 to rotate. The outer ends of the multiple retractable rods 16 are fixedly connected to the inner walls of opposite sides of multiple stabilizing plates 18. During the extension and retraction process, the retractable rods 16 simultaneously drive the stabilizing plates 17 and 18 to adjust their angles, allowing them to cooperate to form a stable support layout. The middle sections of multiple support bars 7 are rotatably connected to connecting shafts 8, and the outer ends of multiple connecting shafts 8 are rotatably connected to the middle sections of multiple support bars 5, enhancing the connection stability between support bars 5 and support bars 7, ensuring that they remain coordinated during movement, and effectively improving the load-bearing capacity of the entire support structure.

[0032] Multiple rotating shafts 11 are rotatably connected to the inner walls of multiple support rods 10 on opposite sides. These shafts act as connecting joints between support bars 5 and support rods 10. When the support structure is deployed or adjusted, the support rods 10 can rotate around the rotating shafts 11. Multiple retractable columns 12 are each fitted with a spring 13. When the support rods 10 are subjected to impact or pressure from the ground, the retractable columns 12 compress the springs 13, which store elastic potential energy. When the external force decreases or disappears, the springs 13 release their elastic potential energy, pushing the retractable columns 12 back to their original position, restoring the support rods 10 to their initial state. The bottom ends of the multiple retractable columns 12 are fixedly connected to the top ends of multiple movable plates 14. During the extension and retraction of the retracting column 12, the force is transmitted to the moving plate 14, causing the moving plate 14 to slide inside the support rod 10. The bottom of the push block 22 is slidably connected to the outside of the top of the adjacent side of multiple moving plates 25. When the control rod 19 moves the push block 22 downward, the push block 22 pushes the moving plate 25 to slide on the inner wall of the bottom of the support column 1 through its inclined surface.

[0033] Multiple push bars 24 have their distal ends slidably connected to the proximal ends of multiple limiting posts 27, and the proximal sides of the multiple limiting posts 27 are externally fixedly connected to the interior of the bottom end of the support column 1. The bottom end of the fixing block 29 is fixedly connected to the inner wall of the bottom end of the support column 1, and the bottom ends of multiple movable plates 25 are slidably connected to the inner wall of the bottom end of the support column 1. Under the push of the push block 22, the movable plates 25 slide horizontally on the inner wall of the bottom end of the support column 1, driving the connecting bars 23, push bars 24, and telescopic rods 30 to move. The bottom ends of the multiple connecting bars 23 are slidably connected to the inner wall of the bottom end of the support column 1. Driven by the movable plates 25, the connecting bars 23 slide on the inner wall of the bottom end of the support column 1, transmitting the movement of the movable plates 25 to the push bars 24.

[0034] The top end of spring 31 is fixedly connected to the bottom end of limiting disk 20. When control rod 19 slides downward, spring 31 is compressed, storing elastic potential energy. When the external force is removed, spring 31 releases elastic potential energy, pushing limiting disk 20 and control rod 19 upward to reset. The external side of limiting disk 20 is slidably connected to the inside of support column 1. When control rod 19 slides, limiting disk 20 moves synchronously with control rod 19. When control rod 19 slides to a certain position, limiting disk 20 contacts the limiting structure on the inner wall of support column 1, limiting control rod 19 to continue sliding. The external side of multiple limiting posts 27 is slidably connected to the inside of load-bearing plate 2. Limiting posts 27 can slide inside load-bearing plate 2, playing a guiding and limiting role, preventing relative displacement between support column 1 and load-bearing plate 2.

[0035] Multiple springs 28 are externally slidably connected to the inside of the load-bearing plate 2. When the telescopic column 26 extends or retracts, the springs 28 compress or extend accordingly, using their own elastic force to provide the restoring force for the telescopic column 26, while absorbing and buffering the impact force from the ground. The fixing strip 21 is externally slidably connected to the inside of the support column 1. When the control rod 19 slides up and down, the fixing strip 21 moves synchronously, transmitting the movement of the control rod 19 downward to the push block 22. The sliding of the fixing strip 21 is constrained by the inner wall of the support column 1, ensuring the accuracy and stability of the movement.

[0036] Working Principle: When stability is required, the support column 1 drives the load-bearing plate 2 to contact the ground, providing basic support. The push rod 4 drives the moving shaft 3 to move downwards. The moving shaft 3 drives the support bar 5 to rotate around its connection point with the moving shaft 3. At the same time, the connecting shaft 8 drives the support bar 7 to rotate around the fixed shaft 6. When the support bar 7 rotates, the rotating shaft 9 drives the support rod 10 to slide downwards along the direction of the rotating shaft 9. When the support rod 10 moves downwards, it drives the contraction column 12 and the moving plate 14 to move. Under the action of the spring 13, the contraction column 12 buffers and resets the movement of the moving plate 14. When the moving plate 14 moves, it drives the rotating shaft 15 to rotate. The rotating shaft 15 drives the contraction rod 16 to move. The contraction rod 16 pulls the stabilizing plate 17 and the stabilizing plate 18 to rotate. At the same time, the support bar 5 is connected to the support rod 10 through the rotating shaft 11, further stabilizing the support structure. This achieves multi-angle and multi-level support force distribution, effectively enhancing the stability of the overall structure and ensuring reliable support under various conditions.

[0037] When rapid installation is required, the control rod 19 is slid along the inner wall of the support column 1 via the control column 32. The control rod 19 causes the limiting disc 20 to compress the spring 31 and move downwards, simultaneously causing the fixing strip 21 and the push block 22 to move downwards. The push block 22 pushes the moving plate 25, causing the connecting strip 23 to slide along the inner wall of the bottom end of the support column 1. The connecting strip 23 pulls the push strip 24 to slide along the limiting column 27, causing it to leave the interior of the support column 1. The telescopic column 26 and the spring 28 act as a buffer within the load-bearing plate 2. The limiting column 27 restricts the relative displacement between the support column 1 and the load-bearing plate 2. After the operation is completed, the spring 31 pushes the limiting disc 20, causing the control rod 19 to reset. This achieves rapid fixation and convenient installation of the support column 1 within the load-bearing plate 2, simplifying the installation process, enhancing the stability and reliability of the connection, and providing buffering and reset functions, effectively improving the practicality and safety of the device.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A multi-directional adjustable fixing device for building engineering fences, comprising a support post (1), characterized in that: A load-bearing plate (2) is fixedly connected to the bottom end of the support column (1). A plurality of push rods (4) are fixedly connected to the inner wall of the top end of the support column (1). A movable shaft (3) is fixedly connected to the bottom end of each of the plurality of push rods (4). A support bar (5) is rotatably connected to the outer side of the far side of each of the plurality of movable shafts (3). A rotating shaft (11) is fixedly connected to the inner side of the far side of the bottom end of each of the plurality of support bars (5). A plurality of fixed shafts (6) are rotatably connected to the inner side of the middle section of the support column (1). A support is fixedly connected to the outer side of each of the plurality of fixed shafts (6). Support bar 2 (7), a rotating shaft 1 (9) is rotatably connected to the interior of the opposite side of the multiple support bars 2 (7), a support rod (10) is slidably connected to the exterior of the multiple rotating shafts 1 (9), a multiple shrink column (12) is fixedly connected to the inner wall of the bottom end of the multiple support rods (10), a moving plate 1 (14) is slidably connected to the inner wall of the bottom end of the multiple moving plate 1 (14), a support component for support is fixedly connected to the inner wall of the bottom end of the multiple moving plate 1 (14), and a fixing component for fixed installation is slidably connected inside the support column (1).

2. The multi-directional adjustable fixing device for building engineering fences according to claim 1, characterized in that: The fixing assembly includes a control rod (19), the outer side of which is slidably connected to the inner wall of the support column (1). A limiting disc (20) is fixedly connected to the outer bottom end of the control rod (19). A fixing strip (21) is fixedly connected to the bottom end of the control rod (19). A push block (22) is fixedly connected to the bottom end of the fixing strip (21). Multiple connecting strips (23) are slidably connected to the inner wall of the bottom end of the support column (1). Moving plates (25) are fixedly connected to the adjacent sides of the multiple connecting strips (23), and two push strips (24) are fixedly connected to the distant sides of the multiple connecting strips (23). Telescopic rods (30) are fixedly connected to the bottom of the adjacent side of the movable plate 2 (25). Fixed blocks (29) are fixedly connected to the adjacent side of the multiple telescopic rods (30). Multiple telescopic columns (26) are fixedly connected to the inner wall of the load-bearing plate (2). Spring 2 (28) is sleeved on the outside of the multiple telescopic columns (26). Limiting columns (27) are fixedly connected to the adjacent end of the multiple telescopic columns (26). Spring 3 (31) is sleeved on the bottom of the control rod (19). Control column (32) is fixedly connected to the top of the control rod (19). Protective shell (33) is fixedly connected to the top of the support column (1).

3. The multi-directional adjustable fixing device for building engineering fences according to claim 1, characterized in that: The support assembly includes multiple rotating shafts (15), the outer sides of which are rotatably connected to the inner walls of the bottom ends of multiple movable plates (14), and the bottom ends of the multiple rotating shafts (15) are fixedly connected to retractable rods (16). The inner walls of the bottom ends of the multiple movable plates (14) are rotatably connected to stabilizing plates (17), and the inner walls of the bottom ends of the multiple movable plates (14) are rotatably connected to stabilizing plates (2) (18). The outer sides of the adjacent ends of the multiple retractable rods (16) are fixedly connected to the inner walls of the adjacent side of the multiple stabilizing plates (17), and the outer sides of the distant ends of the multiple retractable rods (16) are fixedly connected to the inner walls of the distant side of the multiple stabilizing plates (2) (18).

4. The multi-directional adjustable fixing device for building engineering fences according to claim 1, characterized in that: The middle sections of the multiple support bars 2 (7) are respectively rotatably connected to connecting shafts (8), the outside of the multiple connecting shafts (8) are respectively rotatably connected to the middle sections of the multiple support bars 1 (5), and the outside of the multiple rotating shafts 2 (11) on opposite sides are respectively rotatably connected to the inner walls of the multiple support rods (10) on opposite sides.

5. The multi-directional adjustable fixing device for building engineering fences according to claim 1, characterized in that: Each of the multiple shrinking columns (12) is fitted with a spring (13), and the bottom ends of the multiple shrinking columns (12) are respectively fixedly connected to the top ends of the multiple moving plates (14).

6. The multi-directional adjustable fixing device for building engineering fences according to claim 2, characterized in that: The bottom end of the push block (22) is slidably connected to the outside of the top end of the adjacent side of the multiple movable plates (25), and the far ends of the multiple push bars (24) are slidably connected to the adjacent ends of the multiple limiting posts (27). The adjacent sides of the multiple limiting posts (27) are fixedly connected to the inside of the bottom end of the support post (1).

7. The multi-directional adjustable fixing device for building engineering fences according to claim 2, characterized in that: The bottom end of the fixed block (29) is fixedly connected to the inner wall of the bottom end of the support column (1), the bottom ends of the multiple movable plates (25) are slidably connected to the inner wall of the bottom end of the support column (1), the bottom ends of the multiple connecting strips (23) are slidably connected to the inner wall of the bottom end of the support column (1), the top end of the spring (31) is fixedly connected to the bottom end of the limiting disk (20), and the outside of the limiting disk (20) is slidably connected to the inside of the support column (1).

8. The multi-directional adjustable fixing device for building engineering fences according to claim 2, characterized in that: The external sliding connection of the plurality of limiting posts (27) is to the inside of the load-bearing plate (2), the external sliding connection of the plurality of springs (28) is to the inside of the load-bearing plate (2), and the external sliding connection of the fixing strip (21) is to the inside of the support post (1).

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