Building engineering construction fence

By using a fixed ground anchoring mechanism and a quick-connect mechanism, the stability and ease of connection of the construction fence are solved, thereby improving the safety and efficiency of the construction site and making it suitable for temporary construction scenarios.

CN223813960UActive Publication Date: 2026-01-20单县市政工程管理服务中心
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Patent Information

Application Number
CN202520132674.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-01-20
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

Existing construction site fences are unstable under the influence of the external environment, lack reliable base connections to the ground, and are cumbersome to connect or disassemble, affecting the safety and efficiency of the construction site.

Method used

The system employs a fixed ground anchoring mechanism, a quick-connecting mechanism, and a connecting auxiliary mechanism, including ground anchoring rods, connecting pipes, connecting rods, and rotating rings. The ground anchoring rods fix the frame to the ground, while the connecting rods and connecting pipes are quickly connected. The rotating ring and lead screw are used to adjust the connection accuracy, enabling rapid assembly and disassembly of the frame.

Benefits of technology

It improves the stability and connection strength of the fence, simplifies the installation and disassembly process, enhances the safety and work efficiency of the construction site, and adapts to complex construction environments and frequent disassembly and assembly needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a building engineering construction fence which comprises a frame, a fixed ground binding mechanism, a quick clamping mechanism and a clamping auxiliary mechanism, the fixed ground binding mechanism comprises a fixed seat, a mounting hole, a mounting bolt and a ground binding rod, and the quick clamping mechanism comprises a clamping pipe, a clamping rod, a matching rod, a stabilizing spring, a clamping groove, an inclined rail, a moving block and a pressing block. The ground-pricking rod can be directly pricked into the ground and fixed to the fixing base through the mounting bolt, firm fixing capacity is provided, the situation that the device shifts due to external acting force is avoided, the ground-pricking rod is designed to be detachably installed, use can be adjusted according to actual construction topographic conditions, and through the design of the clamping pipe, the clamping rod and the matching rod, the ground-pricking effect is good. And the frames can be quickly connected, the temporary fence is convenient to assemble and disassemble, the construction efficiency is greatly improved, the connecting precision and firmness can be further improved through the clamping auxiliary mechanisms, and connection looseness is prevented.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to construction fence technical field more specifically, it relates to a kind of construction fence of building engineering. BACKGROUND

[0002] In the prior art, a kind of construction fence of building engineering is vulnerable to external environment when running, for example, strong wind, impact and other factors, leading to the stability of fence is poor, even possibly dump, affect the safety of construction site, in addition, the existing construction fence usually lack reliable connecting mode between base and ground, so that the fixed effect of fence is weak, prone to looseness or displacement in the process of use, it is difficult to cope with complex construction environment and long-time use demand.

[0003] Meanwhile, the connecting or disassembling mode between adjacent fence frames is too cumbersome, often need to help additional tool or spend long time, leading to the fence arrangement and adjustment efficiency of construction site is low, not conducive to the rapid progress of construction progress, in some special circumstances, for example, the change of construction area, fence is rearranged or maintained, the connecting design of existing fence not only increases the labor intensity of worker, but also is easy to cause the abrasion or damage of component, to further increase maintenance cost.

[0004] In summary, the construction fence in prior art has significant deficiencies in stability, installation and disassembly convenience and durability, and there is an urgent need for a construction fence that can improve the fixing mode, simplify the connecting structure and improve the overall stability to meet the actual needs of modern building engineering, while improving the safety and work efficiency of construction site. CONTENT OF UTILITY MODEL

[0005] (I) technical problem solved

[0006] In view of the problems in the prior art, the utility model provides a construction fence of building engineering to solve the technical problems mentioned in the background art, such as being vulnerable to external environment, lacking connecting mode between base and ground, and the connecting or disassembling between connected frames being too cumbersome.

[0007] (II) technical scheme

[0008] To achieve the above object, the utility model provides following technical scheme: A construction engineering construction fence, including frame, fixed ground pegging mechanism, quick clamping mechanism and clamping auxiliary mechanism, the fixed ground pegging mechanism includes fixed seat, mounting hole, mounting bolt and pegging rod, fixed seat sets up many groups, many groups mounting holes set up on the fixed seat, and the one end of frame is installed in the mounting hole, pegging rod can extend through the four around of fixed seat of installation, mounting bolt pegging rod is fixed on the fixed seat, pegging rod can peg into the ground and fix the device in the required position, the quick clamping mechanism includes clamping pipe, clamping rod, cooperation rod, stabilizing spring, clamping groove, inclined rail, moving block and pressure block, cooperation rod is installed in one end of clamping rod, clamping groove sets up on the side wall of cooperation rod, inclined rail is installed on the inner wall of clamping pipe, moving block is installed on the inclined rail and is set up in cooperation sliding guide, many groups pressure block are installed in the side of moving block, the surface of clamping groove is set up with increased friction, and pressure block can be pressed to clamping groove and cooperation rod and clamping rod are fixed in the inside of clamping pipe, and stabilizing spring is installed between the side wall of clamping rod and the bottom end of clamping pipe.

[0009] The utility model further sets up, the clamping auxiliary mechanism includes rotating ring, rotating tooth, inner tooth ring, support plate, threaded plate and lead screw, rotating ring is installed on the outer wall of clamping pipe in limit rotation, inner tooth ring is installed at the top end of rotating ring, support plate is installed on the inner wall of clamping pipe, rotating tooth rotation installs the top end of support plate, threaded plate directional sliding installation is installed on the inner wall of clamping pipe, the bottom of threaded plate is slidably connected with the top of moving block, one end of lead screw passes through support plate and is connected with rotating tooth, threaded plate is screwed on the lead screw.

[0010] The utility model further sets up, one end of frame is equipped with the upper locking sleeve and the lower locking sleeve, and the upper locking sleeve and the lower locking sleeve connect the adjacent frame, the design of the upper locking sleeve and the lower locking sleeve enhances the connection firmness between the adjacent frame, so that the frame can be quickly assembled and disassembled, and is suitable for the application scene of temporary fence.

[0011] The utility model further sets up, the frame is fixedly installed with the limit sleeve, and the limit sleeve is provided with multiple groups, the upper locking sleeve and the lower locking sleeve are installed between the limit sleeves, and the multiple groups of the limit sleeves further ensure the installation position of the locking sleeve, avoid the frame connection not firm due to installation error, and improve the safety and reliability of the whole device.

[0012] The utility model further sets up, the side wall bottom end of clamping pipe is equipped with the connecting plate, and the connecting plate is fixedly installed on one end surface of the upper locking sleeve, and the connecting plate is provided for the fixed means of clamping pipe.

[0013] The utility model further sets up, one end of the clamping rod is connected with lower locking sleeve cooperation, and the other end of clamping rod can extend through upper locking sleeve and clamping pipe cooperation quick clamping setting, and clamping pipe and clamping rod realize quick connection and disassembly between frame and frame.

[0014] The utility model further sets up, the top end of mobile block is equipped with connecting block, and the bottom end of screw plate is equipped with connecting groove, and connecting block is connected in connecting groove cooperation sliding, and connecting block and connecting groove's setting provide sliding connection's mode between mobile block and screw plate, provide more flexible adjusting function, improve the applicability of device.

[0015] The utility model further sets up, the frame can be provided with multiple groups, and the frame is equipped with protective net, and the protective net effectively prevents external object penetration, and protects the personnel and equipment safety of construction site.

[0016] (Three) beneficial effect

[0017] Compared with the prior art, the utility model provides a kind of construction engineering construction fence, with following

[0018] Beneficial effect:

[0019] The utility model sets up fixed pegging mechanism, and pegging rod can be directly pegged into ground, and is fixed on fixed seat by mounting bolt, provides firm fixing capacity, avoids that device shifts due to external force, and pegging rod is designed as detachable installation, can be adjusted and used according to actual construction topography condition, adapts to different ground environment, and the design of multiple installation holes on fixed seat, the installation and adjustment of one end of frame are facilitated, and installation efficiency is improved, through the fixing function of pegging rod, fence is more stable under strong wind or other external force, guarantee the safety of construction site.

[0020] The utility model sets up quick clamping mechanism, and the design of clamping pipe, clamping rod and cooperation rod makes that frame can be quickly connected between, facilitates the assembly and disassembly of temporary fence, and construction efficiency is greatly improved, and the surface of clamping groove is increased friction setting, and cooperation fixed of pressing block and clamping groove, so that the connection after clamping is more firm, avoids loosening and falling off, and the cooperation sliding design of mobile block and inclined rail enhances the flexibility of clamping, can adapt to different installation needs, through the design of stabilizing spring, further enhance the fixed effect after clamping, improve the security of whole connection structure.

[0021] The utility model discloses a clamping auxiliary mechanism, the design of rotating ring, internal tooth ring, rotating tooth and screw rod provides the auxiliary adjustment function for quick clamping, can further improve the precision and firmness of connection, prevent the connection loose, the setting of rotating ring and threaded plate, allow user to adjust the clamping position through rotation, reduced the difficulty of installation and dismounting, the design of threaded plate and moving block sliding connection provides flexible adjustment function, can adapt to the connection demand of different size or direction, clamping auxiliary mechanism and quick clamping mechanism cooperation use, reduced the time of fence frame installation, especially suitable for the temporary construction scene that needs to be frequently disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the whole structure schematic view of the device in the utility model in unused state;

[0023] Figure 2 It is the structure schematic view of fixed base in the utility model;

[0024] Figure 3 It is the structure schematic view of frame connection in the utility model;

[0025] Figure 4 It is the structure schematic view of quick clamping mechanism and clamping auxiliary mechanism in the utility model;

[0026] Figure 5 It is the structure schematic view of quick clamping mechanism and clamping auxiliary mechanism inside in the utility model.

[0027] In the drawing: 1, frame;2, fixed seat;3, mounting hole;4, mounting bolt;5, tie rod;6, clamping pipe;7, clamping rod;8, cooperation rod;9, stabilizing spring;10, clamping groove;11, inclined rail;12, moving block;13, pressing block;14, rotating ring;15, rotating tooth;16, internal tooth ring;17, support plate;18, threaded plate;19, screw;20, upper locking sleeve;21, lower locking sleeve;22, limit sleeve;23, connecting plate;24, connecting block;25, connecting groove;26, protective net. DETAILED DESCRIPTION

[0028] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0029] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0030] In the utility model, in the case that no opposite statement is made, the orientation such as "upper, lower" is usually for the direction shown in the drawing, or for the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is usually for the left, right shown in the drawing; "inner, outer" refers to the inner, outer relative to the contour of each component itself, but the above orientation words are not used to limit the utility model.

[0031] Please refer to Figures 1-5 A construction engineering construction fence, including frame 1, fixed ground tying mechanism, quick clamping mechanism and clamping auxiliary mechanism, fixed ground tying mechanism includes fixed seat 2, mounting hole 3, mounting bolt 4 and ground tying rod 5, fixed seat 2 is provided with multiple groups, multiple groups of mounting hole 3 are set on fixed seat 2, and one end of frame 1 is installed in mounting hole 3, ground tying rod 5 can be extended through the periphery installed in fixed seat 2, mounting bolt 4 fixes ground tying rod 5 on fixed seat 2, ground tying rod 5 can be tied into ground and fix the device at the required position, quick clamping mechanism includes clamping pipe 6, clamping rod 7, cooperation rod 8, stabilizing spring 9, clamping groove 10, inclined rail 11, moving block 12 and pressing block 13, cooperation rod 8 is installed at one end of clamping rod 7, clamping groove 10 is set on the side wall of cooperation rod 8, inclined rail 11 is installed on the inner wall of clamping pipe 6, moving block 12 is installed on inclined rail 11 and is set in cooperation with sliding guide, multiple groups of pressing block 13 are installed on the side of moving block 12, the surface of clamping groove 10 is set with increased friction, and pressing block 13 can be pressed to clamping groove 10 to fix cooperation rod 8 and clamping rod 7 inside clamping pipe 6, and stabilizing spring 9 is installed between the side wall of clamping rod 7 and the bottom end of clamping pipe 6.

[0032] In the embodiment, the fixed ground tying mechanism is responsible for stably fixing the fence device on the ground, ensures that the fence is not easy to fall, multiple groups of mounting holes 3 are arranged on fixed seat 2, one end of frame 1 is inserted into these mounting holes 3, and is fixed through mounting bolt 4, so that frame 1 is firmly connected with fixed seat 2, ground tying rod 5 can be extended into the through hole around fixed seat 2 and is vertically inserted into the ground, and ground tying rod 5 is fixed with fixed seat 2 by using mounting bolt 4, so that ground tying rod 5 is closely contacted with the ground, so as to stably fix the whole device on the ground, is used for quickly connecting each frame 1 of the fence, and simultaneously ensures the stability and firmness of connection, when clamping rod 7 and cooperation rod 8 are inserted into the inside of clamping pipe 6, the clamping auxiliary mechanism is used to guide moving block 12 to slide along inclined rail 11, and pressing block 13 on moving block 12 will gradually press the clamping groove 10 of cooperation rod 8, so as to fix clamping rod 7 and clamping pipe 6 together, and stabilizing spring 9 is installed between the side wall of clamping rod 7 and the bottom of clamping pipe 6, further enhances the fixing effect.

[0033] The clamping auxiliary mechanism comprises a rotating ring 14, a rotating tooth 15, an inner tooth ring 16, a support plate 17, a threaded plate 18 and a lead screw 19, the rotating ring 14 is limitingly and rotatably installed on the outer wall of the clamping pipe 6, the inner tooth ring 16 is installed on the top end of the rotating ring 14, the support plate 17 is installed on the inner wall of the clamping pipe 6, the rotating tooth 15 is rotatably installed on the top end of the support plate 17, the threaded plate 18 is slidingly installed on the inner wall of the clamping pipe 6 in a direction, the bottom of the threaded plate 18 is slidingly connected with the top of the moving block 12, one end of the lead screw 19 extends through the support plate 17 and is connected with the rotating tooth 15, and the threaded plate 18 is screw-connected with the lead screw 19.

[0034] In the embodiment, the rotating ring 14 is rotated by the user, the inner tooth ring 16 drives the rotating tooth 15 installed on the support plate 17 to rotate, the rotating tooth 15 is connected with one end of the lead screw 19, the lead screw 19 extends through the support plate 17 and is screw-connected with the threaded plate 18, when the rotating tooth 15 rotates, the lead screw 19 rotates and pushes the threaded plate 18 to slide along the lead screw 19 in an axial direction, the bottom of the threaded plate 18 is slidingly connected with the top of the moving block 12 through the connecting groove 25, with the sliding of the threaded plate 18, the moving block 12 is driven to move, thereby adjusting the pressing force of the pressing block 13 on the clamping slot 10 of the clamping rod 7, and the connection is more stable, and the clamping is achieved by reverse operation.

[0035] Please refer to Figures 1-5 , as a supplementary implementation mode of the fixed anchoring mechanism, the quick clamping mechanism and the clamping auxiliary mechanism for the construction engineering construction fence: one end of the frame 1 is provided with an upper locking sleeve 20 and a lower locking sleeve 21, and the upper locking sleeve 20 and the lower locking sleeve 21 connect adjacent frames 1, a limiting sleeve 22 is fixedly installed on the frame 1, and the limiting sleeve 22 is provided with a plurality of groups, the upper locking sleeve 20 and the lower locking sleeve 21 are installed between the limiting sleeves 22, a connecting plate 23 is installed at the bottom end of the side wall of the clamping pipe 6, the connecting plate 23 is fixedly installed on one end face of the upper locking sleeve 20, one end of the clamping rod 7 is connected with the lower locking sleeve 21, and the other end of the clamping rod 7 can extend through the upper locking sleeve 20 and be connected with the clamping pipe 6 to achieve quick clamping, a connecting block 24 is installed at the top end of the moving block 12, a connecting groove 25 is arranged at the bottom end of the threaded plate 18, the connecting block 24 is slidingly connected in the connecting groove 25, the frame 1 can be provided with a plurality of groups, and a protective net 26 is installed on the frame 1.

[0036] More specifically, first, the fixed seat 2 of the fixed anchoring mechanism is placed at the desired installation position of the fence, one end of the frame 1 is inserted into the mounting hole 3 of the fixed seat 2 and fixed by the mounting bolt 4, the anchoring rod 5 is inserted into the ground through the through hole around the fixed seat 2, and then the anchoring rod 5 is fixed on the fixed seat 2 with the mounting bolt 4, ensuring the stability of the fixed seat 2 and the frame 1, using the quick clamping mechanism, the clamping rod 7 of one frame 1 is inserted into the clamping pipe 6 of another frame 1, after the clamping rod 7 is inserted, the clamping groove 10 of the matching rod 8 cooperates with the moving block 12 and the pressing block 13 inside the clamping pipe 6, the rotating ring 14 drives the internal tooth ring 16, the rotating teeth 15 and the lead screw 19 to rotate, the threaded plate 18 slides along the lead screw 19, the inclined rail 11 guides the movement of the moving block 12, and the pressing block 13 gradually presses towards the clamping groove 10, thereby quickly clamping and fixing the clamping rod 7 and the clamping pipe 6, the device can be combined with multiple frames 1, each frame 1 is connected with the adjacent frame 1 through the upper locking sleeve 20 and the lower locking sleeve 21, the limiting sleeve 22 is installed on the frame 1 to provide an installation limiting position for the upper locking sleeve 20 and the lower locking sleeve 21, ensuring the alignment and stability of the connection, and the protective net 26 is installed on the frame 1 to play a protective and enclosing role.

[0037] In summary, when the anchoring mechanism needs to be fixed, the anchoring mechanism is responsible for stably fixing the fence device on the ground, ensuring that the fence is not easy to fall down, the fixed seat 2 is provided with multiple mounting holes 3, one end of the frame 1 is inserted into these mounting holes 3 and fixed by the mounting bolt 4, so that the frame 1 is firmly connected with the fixed seat 2, the anchoring rod 5 can be inserted into the through hole around the fixed seat 2 and vertically inserted into the ground, and the anchoring rod 5 is fixed with the fixed seat 2 by the mounting bolt 4, so that the anchoring rod 5 is in close contact with the ground, thereby stably fixing the entire device on the ground.

[0038] When the quick clamping mechanism needs to be operated, it is used to quickly connect the frames 1 of the fence, while ensuring the stability and firmness of the connection, when the clamping rod 7 and the matching rod 8 are inserted into the clamping pipe 6, the inclined rail 11 guides the sliding of the moving block 12, the pressing block 13 on the moving block 12 gradually presses towards the clamping groove 10 of the matching rod 8, thereby fixing the clamping rod 7 and the clamping pipe 6 together, and the stabilizing spring 9 is installed between the side wall of the clamping rod 7 and the bottom of the clamping pipe 6, further enhancing the fixing effect.

[0039] When the user rotates the rotating ring 14, the inner tooth ring 16 drives the rotating tooth 15 installed on the support plate 17 to rotate, the rotating tooth 15 is connected with one end of the lead screw 19, the lead screw 19 passes through the support plate 17 and is screwed with the threaded plate 18, when the rotating tooth 15 rotates, the lead screw 19 rotates, thereby pushing the threaded plate 18 to slide along the lead screw 19 in the axial direction, the bottom of the threaded plate 18 is slidably connected with the top of the moving block 12 through the connecting groove 25, with the sliding of the threaded plate 18, the moving block 12 is driven to move, thereby adjusting the pressing force of the pressing block 13 on the clamping slot 10 of the clamping rod 7, so that the connection is more stable, and the reverse operation is clamped in contact.

[0040] Firstly, the fixed seat 2 of the fixing and tying mechanism is placed at the required installation position of the fence, one end of the frame 1 is inserted into the installation hole 3 of the fixed seat 2 and is fixed by the installation bolt 4, the tying rod 5 is inserted into the ground through the through hole around the fixed seat 2, and then the tying rod 5 is fixed on the fixed seat 2 by the installation bolt 4, so as to ensure that the fixed seat 2 and the frame 1 are stable, the quick clamping mechanism is used, the clamping rod 7 of one frame 1 is inserted into the clamping pipe 6 of another frame 1, after the clamping rod 7 is inserted, the clamping slot 10 of the cooperation rod 8 is matched with the moving block 12 and the pressing block 13 inside the clamping pipe 6, the rotating ring 14 drives the inner tooth ring 16, the rotating tooth 15 and the lead screw 19 to rotate, so that the threaded plate 18 slides along the lead screw 19, the inclined rail 11 guides the moving block 12 to move, and the pressing block 13 is gradually pressed to the clamping slot 10, so that the clamping rod 7 and the clamping pipe 6 are quickly clamped and fixed, the device can be combined with multiple frames 1, each frame 1 is connected with the adjacent frame 1 through the upper locking sleeve 20 and the lower locking sleeve 21, the limiting sleeve 22 is installed on the frame 1 and is used for providing an installation limiting position for the upper locking sleeve 20 and the lower locking sleeve 21, so as to ensure that the connection is aligned and stable, and the protective net 26 is installed on the frame 1 and plays a protective and enclosing role.

[0041] In all the schemes mentioned above, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be repeated here, and the welding is preferred for the fixed connection mentioned above, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that the embodiments can be changed, modified, replaced and modified in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A construction site fence comprising a frame (1), a fixed anchoring mechanism, a quick clamping mechanism and a clamping auxiliary mechanism, characterized in that: The fixed anchoring mechanism comprises fixing seats (2), mounting holes (3), mounting bolts (4) and anchoring rods (5), the fixing seats (2) are provided in multiple groups, the mounting holes (3) are provided on the fixing seats (2), and one end of the frame (1) is mounted in the mounting holes (3); the anchoring rods (5) can be extended through the periphery of the fixing seats (2), the mounting bolts (4) are used for fixing the anchoring rods (5) on the fixing seats (2), the quick clamping mechanism comprises clamping pipes (6), clamping rods (7), matching rods (8), stabilizing springs (9), clamping grooves (10), inclined rails (11), moving blocks (12) and pressing blocks (13), the matching rods (8) are mounted at one end of the clamping rods (7), the clamping grooves (10) are provided on the side walls of the matching rods (8), the inclined rails (11) are mounted on the inner walls of the clamping pipes (6), the moving blocks (12) are mounted on the inclined rails (11) and are provided in a sliding guide matching mode, and the pressing blocks (13) are mounted on the side portions of the moving blocks (12); the surface of the clamping groove (10) is provided in a large-friction mode, and the stabilizing spring (9) is mounted between the side wall of the clamping rod (7) and the bottom end of the clamping pipe (6).

2. A construction site fence according to claim 1, characterised in that: The clamping auxiliary mechanism comprises rotating rings (14), rotating teeth (15), inner tooth rings (16), support plates (17), threaded plates (18) and lead screws (19), the rotating ring (14) is limitingly and rotatably mounted on the outer wall of the clamping pipe (6), the inner tooth ring (16) is mounted at the top end of the rotating ring (14), the support plate (17) is mounted on the inner wall of the clamping pipe (6), the rotating tooth (15) is rotatably mounted at the top end of the support plate (17), the threaded plate (18) is slidably mounted on the inner wall of the clamping pipe (6), the bottom of the threaded plate (18) is slidably connected with the top of the moving block (12), one end of the lead screw (19) extends through the support plate (17) and is connected with the rotating tooth (15), and the threaded plate (18) is threadedly connected with the lead screw (19).

3. A construction site fence according to claim 1, characterised in that: One end of the frame (1) is provided with an upper locking sleeve (20) and a lower locking sleeve (21), and the upper locking sleeve (20) and the lower locking sleeve (21) are used for connecting adjacent frames (1).

4. A construction site barrier according to claim 3, characterised in that: The frame (1) is provided with a limiting sleeve (22), and the limiting sleeve (22) is provided in multiple groups.

5. A construction site fence according to claim 3, characterised in that: The connecting plate (23) is mounted on one end surface of the upper locking sleeve (20).

6. A construction site fence according to claim 3, characterised in that: One end of the clamping rod (7) is connected with the lower locking sleeve (21), and the other end of the clamping rod (7) can extend through the upper locking sleeve (20) and be connected with the clamping pipe (6) in a quick clamping mode.

7. A construction site fence according to claim 2, characterised in that: The connecting block (24) is mounted on the top end of the moving block (12), the bottom end of the threaded plate (18) is provided with a connecting groove (25), and the connecting block (24) is slidably connected in the connecting groove (25).

8. A construction site fence according to claim 1, characterised in that: The frame (1) can be provided in multiple groups, and the frame (1) is provided with a protective net (26).