Detachable protective barrier for building construction

Abstract

The utility model discloses a detachable protective barrier for building construction, and mainly relates to the technical field of building construction. Comprising a protective barrier body arranged on the periphery of a hole, the protective barrier body comprises embedded pipes arranged on the periphery of the hole and supporting rods detachably connected with the embedded pipes, a plurality of protective chains are arranged between every two adjacent supporting rods, a plurality of connecting keys are symmetrically arranged on the two sides of each supporting rod, and a plurality of fixing rods are slidably connected to connecting pieces; the two ends of the protective chain are provided with ferrules arranged on the outer sides of the fixing rods in a sleeving mode respectively. The protective chain further comprises adjusting rods driving the fixing rods to slide on the connecting pieces. The protective barrier has the beneficial effects that the problem of insufficient height caused by interference between the hoisting large equipment and the protective barrier is solved, and the cost required for mounting the large equipment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, in particular to a detachable protective fence for building construction. BACKGROUND

[0002] Industrial building projects are provided with reserved lifting holes on the floor for the convenience of equipment installation and later maintenance. Generally, the lifting hole for large equipment is relatively large (width ≥ 1m). In order to ensure normal use in the later period and avoid the operator from falling from the lifting hole, protective fences and warning devices need to be set around the lifting hole.

[0003] Since the existing protective fence is generally fixedly arranged around the lifting hole, and the height of the protective fence is generally ≥ 1.05m, when the large equipment is lifted into the hole, the lifting height of the large equipment is insufficient, and increasing the floor height will cause a large economic cost. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a detachable protective fence for building construction, which solves the problem of insufficient height caused by the interference between the lifting of large equipment and the protective fence, and reduces the cost required for installing large equipment.

[0005] In order to achieve the above-mentioned purpose, the utility model realizes the following technical scheme:

[0006] A detachable protective fence for building construction comprises a protective fence arranged around a hole, the protective fence comprises a pre-buried pipe arranged around the hole and a support rod detachably connected with the pre-buried pipe, a plurality of protective chains are arranged between two adjacent support rods, a plurality of connecting keys are symmetrically arranged on both sides of the support rod, a plurality of fixing rods are slidably connected to the connecting keys, both ends of the protective chain are respectively provided with a sleeve ring sleeved outside the fixing rod, and the utility model further comprises an adjusting rod for driving the fixing rod to slide on the connecting key.

[0007] Further, the adjusting rod is threadedly connected with the connecting key, and the end of the adjusting rod is in contact with the fixing rod.

[0008] Further, the end of the adjusting rod is provided with a protruding block, the end of the fixing rod is provided with a groove in sliding connection with the protruding block, and the two sides of the protruding block are respectively in sliding contact with the groove.

[0009] Further, the two ends of the fixing rod are respectively provided with a first nut and a second nut, and the first nut and the second nut are respectively in contact with the sleeve ring and the connecting key.

[0010] Further, a gasket is arranged between the first nut and the sleeve ring.

[0011] Furthermore, the embedded tube is provided with a vertical hole slidably connected to the support rod, the end of the embedded tube is provided with a chassis in contact with the support rod, and the chassis is provided with a plurality of reinforcing plates connected to the embedded tube.

[0012] Furthermore, the chassis is provided with a guide block passing through the vertical hole, and the end of the support rod is provided with a guide groove in sliding contact with the guide block.

[0013] Furthermore, the embedded tube is provided with a plurality of limit grooves, and the ends of the support rods are symmetrically slidably connected with limit blocks that are plugged into the limit grooves. A reset spring is provided between the two limit blocks, and the upper and lower sides of the limit blocks are respectively provided with a plane and an inclined surface, and the plane and the inclined surface are respectively in contact with the limit groove and the embedded tube.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. Set up several embedded pipes around the hole in advance, and set up several connecting pieces symmetrically on both sides of the support rod. When installing the guardrail, use several support rods to detachably connect with the corresponding embedded pipes, fix several support rods on the embedded pipes, and then put the rings at both ends of the protection chain on the outside of the fixed rod. Then, drive the fixed rod to slide on the connecting piece toward the support rod through the adjustment rod, so that the protection chain is further tightened to avoid the protection chain being in a loose state and unable to play a good protective effect, thereby further improving the safety of workers during the construction process.

[0016] 2. When large mechanical equipment needs to be hoisted, the protective chain can be loosened, the connection between several support rods and embedded parts can be released, and the protective guardrail can be removed to avoid interference between large equipment and the protective railing during the hoisting process, which will require an increase in floor height and reduce the cost of installing large equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Attachment Figure 1 It is a structural diagram of the protective railing of the utility model.

[0018] Attachment Figure 2 It is a structural diagram of the support rod and chain of the utility model.

[0019] Attachment Figure 3 It is a structural diagram of the support rod of the utility model.

[0020] Attachment Figure 4 This utility model is attached Figure 2 Schematic diagram of the local structure of part A in the middle.

[0021] Attachment Figure 5 This utility model is attached Figure 2 Schematic diagram of the local structure of part B in the middle.

[0022] Attachment Figure 6 It is a structural diagram of the limit block of the utility model.

[0023] Attachment Figure 7 It is a structural schematic diagram of the guide block of the utility model.

[0024] Reference numerals shown in the accompanying drawings:

[0025] 1. Hole; 2. Guardrail; 3. Embedded pipe; 4. Support rod; 5. Protective chain; 6. Connector; 7. Fixing rod; 8. Ferrule; 9. Adjusting rod; 10. Bump; 11. Groove; 12. First nut; 13. Second nut; 14. Gasket; 15. Vertical hole; 16. Chassis; 17. Reinforcement plate; 18. Guide block; 19. Guide groove; 20. Limit groove; 21. Limit block; 22. Return spring; 23. Plane; 24. Inclined surface. DETAILED DESCRIPTION

[0026] The present invention will be further described below with reference to specific embodiments. It should be understood that these embodiments are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the contents of this invention, those skilled in the art may make various changes or modifications to the present invention, and that these equivalent forms also fall within the scope defined in this application.

[0027] A detachable guardrail for construction, such as Figures 1-4 As shown, it includes a guardrail 2 arranged around the hole 1, the guardrail 2 includes a pre-buried pipe 3 arranged around the hole 1, and a support rod 4 detachably connected to the pre-buried pipe 3, and a plurality of guard chains 5 are provided between two adjacent support rods 4. A plurality of connecting keys are symmetrically provided on both sides of the support rod 4, and a plurality of fixing rods 7 are slidably connected to the connecting member 6. The two ends of the guard chain 5 are respectively provided with a ring 8 sleeved on the outside of the fixing rod 7, and also include an adjusting rod 9 for driving the fixing rod 7 to slide on the connecting member 6. A plurality of pre-buried pipes 3 are pre-set around the hole 1, and a plurality of connecting members are symmetrically provided on both sides of the support rod 4. 6. Specifically, the connecting pieces 6 on the support rods 4 at the corners need to be set at a vertical angle, and the connecting pieces 6 on the other support rods 4 are set in the same straight line. When installing the guardrail 2, several support rods 4 are detachably connected to the corresponding embedded pipes 3, and several support rods 4 are fixed to the embedded pipes 3 respectively. Then, the rings 8 provided at both ends of the protection chain 5 are put on the outside of the fixing rod 7, and then the fixing rod 7 is driven by the adjusting rod 9 to slide on the connecting piece 6 toward the side of the support rod 4, so that the protection chain 5 is further tightened to avoid the protection chain 5 being in a loose state and unable to play a good protection effect, thereby further improving the safety of the workers during the construction process;

[0028] When the large mechanical equipment needs to be hoisted, the protective chain 5 can be loosened, the connection between the plurality of supporting rods 4 and the embedded parts is released, and the protective fence is disassembled to avoid interference between the large equipment and the protective fence 2 during hoisting of the large equipment, so that the floor height needs to be increased, thereby reducing the cost required for installation of the large equipment.

[0029] Preferably, as shown in Figure 2 , Figure 3 and Figure 4 , the adjusting rod 9 is threadedly connected with the connecting piece 6, and the end of the adjusting rod 9 is in contact with the fixed rod 7. By rotating the connecting piece 6 on the adjusting rod 9, the connecting piece 6 is moved on the connecting piece 6 due to the threaded connection between the connecting piece 6 and the adjusting rod 9, so that the end of the adjusting rod 9 is further in contact with the fixed rod 7, the fixed rod 7 is moved on the connecting piece 6, and the protective chain 5 in a relaxed state is tightened, thereby further improving the safety of the workers during construction.

[0030] Preferably, as shown in Figure 4 , the end of the adjusting rod 9 is provided with a protrusion 10, the end of the fixed rod 7 is provided with a groove 11 in sliding connection with the protrusion 10, and the two sides of the protrusion 10 are in sliding contact with the groove 11, respectively. When the adjusting rod 9 moves on the connecting piece 6, the protrusion 10 is in contact with the groove 11 provided on the end of the fixed rod 7 on both sides, respectively, so that the fixed block slides together with the groove 11, thereby adjusting the position of the fixed rod 7 and tightening the protective chain 5 in a relaxed state, thereby further improving the safety of the workers during construction. At the same time, through the sliding connection of the groove 11 and the protrusion 10, the adjusting rod 9 and the connecting block can be conveniently arranged on the connecting piece 6, thereby improving the efficiency of installing the protective fence 2.

[0031] Preferably, as shown in Figure 2 and Figure 4 , the two ends of the fixed rod 7 are respectively provided with a first nut 12 and a second nut 13, and the first nut 12 and the second nut 13 are respectively in contact with the sleeve ring 8 and the connecting piece 6. By tightening the first nut 12 and the second nut 13, the first nut 12 and the second nut 13 are respectively in contact with the sleeve ring 8 and the connecting piece 6, thereby limiting the upward and downward movement of the fixed rod 7 on the connecting piece 6, preventing the sleeve ring 8 from falling off the fixed rod 7, and better fixing the protective chain 5, thereby further improving the safety of the workers during construction.

[0032] Preferably, as shown in Figure 2 and Figure 4 , a gasket 14 is arranged between the first nut 12 and the sleeve ring 8, thereby further preventing the sleeve ring 8 from falling off the fixed rod 7 and improving the safety of the workers during construction.

[0033] Preferably, as shown in Figure 2、 Figure 5 and Figure 7 As shown in the figure, the embedded pipe 3 is provided with a vertical hole 15 in sliding connection with the support rod 4, and the end of the embedded pipe 3 is provided with a bottom plate 16 in contact with the support rod 4, which limits the support rod 4 and prevents the support rod 4 from moving up and down and left and right on the embedded pipe 3, thereby achieving good fixing effect and improving the protection effect of the guardrail 2; the bottom plate 16 is provided with a plurality of reinforcing plates 17 connected with the embedded pipe 3, which strengthens the connection between the embedded pipe 3 and the bottom plate 16 and improves the stability of the overall structure, thereby improving the protection effect of the guardrail 2.

[0034] Preferably, as shown in the figure, Figure 3 and Figure 7 The bottom plate 16 is provided with a guide block 18 passing through the vertical hole 15, and the end of the support rod 4 is provided with a guide groove 19 in sliding contact with the guide block 18, which guides the installation of the support rod 4, improves the efficiency of installing the support rod 4, and avoids the support rod 4 from rotating randomly on the embedded pipe 3 after installation, thereby further improving the stability of the overall structure and improving the protection effect of the guardrail 2.

[0035] Preferably, as shown in the figure, Figure 5 and Figure 6As shown, the pre-embedded pipe 3 is provided with a plurality of limiting grooves 20, the end of the support rod 4 is symmetrically connected with the limiting block 21 which is inserted and matched with the limiting groove 20, the two limiting blocks 21 are provided with the reset spring 22, the upper and lower sides of the limiting block 21 are respectively provided with the plane 23 and the inclined surface 24, the plane 23 and the inclined surface 24 are respectively contacted with the limiting groove 20 and the pre-embedded pipe 3, when the support rod 4 needs to be installed on the pre-embedded pipe 3, the support rod 4 is placed on the pre-embedded pipe 3, then the end of the support rod 4 is pressed to enter the vertical hole 15 provided in the pre-embedded pipe 3, then the inclined surface 24 provided on the lower side of the two limiting blocks 21 is contacted with the pre-embedded pipe 3, the generated force drives the two limiting blocks 21 to move to the inner side and compresses the reset spring 22, until the end of the support rod 4 is contacted with the bottom plate 16, the support rod 4 is limited to further slide down, at this time, the limiting block 21 is corresponding to the limiting groove 20, and under the action of the rebound force generated after the reset spring 22 is compressed, the two limiting blocks 21 are driven to slide to the two sides at the same time, until the limiting block 21 enters the limiting groove 20, the plane 23 provided on the upper layer of the limiting groove 20 is contacted with the limiting groove 20, the generated resistance will limit the support rod 4 to slide upwards on the pre-embedded pipe 3, so as to fix the support rod 4 on the pre-embedded pipe 3, without tightening the bolt, the fixing of the support rod 4 and the pre-embedded pipe 3 can be realized, the operation steps of installing the support rod 4 are further simplified, and the efficiency of installing the protective guardrail 2 is improved; in addition, only when the limiting blocks 21 on the two sides are pressed at the same time to move to the inner side, the insertion and matching of the limiting block 21 and the limiting groove 20 can be released, and the support rod 4 can be pushed out of the limiting groove 20, when one limiting block 21 is unintentionally driven to move to the inner side, the other limiting block 21 is still in the limiting groove 20, and the sliding of the support rod 4 on the pre-embedded pipe 3 is also limited, thereby improving the stability of the overall structure and improving the protection effect of the protective guardrail 2.

[0036] Embodiment 1

[0037] The utility model provides a kind of building construction with detachable protective guardrail, such as Figures 1-4 As shown, a plurality of pre-embedded pipes 3 are provided around the hole 1 in advance, a plurality of connecting pieces 6 are symmetrically provided on the two sides of the support rod 4, specifically, the connecting pieces 6 on the corner of the support rod 4 need to be perpendicularly arranged, and the connecting pieces 6 on the rest of the support rod 4 are arranged in a straight line, when installing the protective guardrail 2, a plurality of support rods 4 are detachably connected with corresponding pre-embedded pipes 3 respectively, a plurality of support rods 4 are fixed on the pre-embedded pipes 3 respectively, then the sleeve ring 8 provided at the two ends of the protective chain 5 is sleeved on the outer side of the fixed rod 7, then the fixed rod 7 is driven to slide on the connecting piece 6 to the side of the support rod 4 by adjusting the rod 9, so that the protective chain 5 is further tightened, to avoid the protective chain 5 being in a relaxed state and unable to play a good protection effect, further improving the safety of workers during construction process.

[0038] When the large mechanical equipment needs to be hoisted, the protective chain 5 can be loosened, the connection between the plurality of supporting rods 4 and the embedded parts is released, and the protective fence is disassembled to avoid interference between the large equipment and the protective fence 2 during hoisting of the large equipment, so that the floor height needs to be increased, thereby reducing the cost required for installing the large equipment.

[0039] Embodiment 2

[0040] On the basis of example 1, as shown in Figures 2-4 , the connecting piece 6 is provided on both sides of the connecting piece 6 in advance, the adjusting rod 9 is threadedly connected on the connecting piece 6, when the protective chain 5 needs to be installed, the fixed rod 7 is placed on the connecting piece 6, the groove 11 provided at the end of the fixed rod 7 is slidably connected with the protrusion 10 provided at the end of the adjusting rod 9, then the end of the fixed rod 7 extends out of the connecting piece 6, the second nut 13 is screwed on the end of the fixed rod 7, the second nut 13 is in contact with the connecting piece 6, and the fixed rod 7 is in contact with the adjusting rod 9, so that the movement of the fixed rod 7 on the connecting piece 6 is limited, then the sleeve 8 provided at both ends of the protective chain 5 is sleeved on the fixed rod 7, after the protective chain 5 is arranged in sequence, the connecting piece 6 is rotated on the adjusting rod 9, the protrusion 10 is in contact with the groove 11 provided at the end of the fixed rod 7 on both sides, the fixed block is slid along the groove 11, so that the position of the fixed rod 7 is adjusted, the protective chain 5 in a relaxed state is tightened, and the safety of the workers during construction is further improved; after the protective chain 5 is fixed, the gasket 14 and the first nut 12 are placed in sequence on the upper end of the fixed rod 7, then the first nut 12 and the second nut 13 are tightened, the gasket 14 is in contact with the sleeve 8, so that the sleeve 8 is prevented from falling off the fixed rod 7, thereby better fixing the protective chain 5 and further improving the safety of the workers during construction.

[0041] Embodiment 3

[0042] On the basis of example 1, as shown in Figure 2 , Figure 3 , Figure 5 , Figure 6 and Figure 7 , the guide block 18 is provided on the base plate 16 in advance, the embedded pipe 3 is sleeved outside the guide block 18, and the embedded pipe 3 and the base plate 16 are connected, then a plurality of reinforcing plates 17 are arranged around the embedded pipe 3 to reinforce the connection between the embedded pipe 3 and the base plate 16, improve the stability of the overall structure, and further improve the protection effect of the protective fence 2.

[0043] When the support rod 4 needs to be installed on the embedded pipe 3, the guide groove 19 provided at the end of the support rod 4 is corresponded with the guide block 18, then the support rod 4 is pressed downward, so that the end of the support rod 4 enters the vertical hole 15 provided on the embedded pipe 3, then the inclined surface 24 provided at the lower side of the two limiting blocks 21 is in contact with the embedded pipe 3, the generated force drives the two limiting blocks 21 to move towards the inner side at the same time, and the return spring 22 is compressed, so that the support rod 4 can be further moved downward, and the sliding contact of the guide block 18 and the guide groove 19 plays a guiding role in the installation of the support rod 4, improves the efficiency of installing the support rod 4, avoids the random rotation of the installed support rod 4 on the embedded pipe 3, further improves the stability of the overall structure, and further improves the protection effect of the protective fence 2.

[0044] Then the support rod 4 continues to move downward until the end of the support rod 4 is in contact with the bottom plate 16, which limits the further downward sliding of the support rod 4. At this time, the limiting block 21 corresponds to the limiting groove 20, and under the action of the elastic force generated after the compression of the return spring 22, the two limiting blocks 21 are driven to slide towards the two sides at the same time until the limiting block 21 enters the limiting groove 20. The flat surface 23 provided on the upper layer of the limiting groove 20 is in contact with the limiting groove 20, and the generated resistance will limit the upward sliding of the support rod 4 on the embedded pipe 3, so as to fix the support rod 4 on the embedded pipe 3. Without tightening the bolts, the fixing of the support rod 4 and the embedded pipe 3 can be realized, which further simplifies the operation steps of installing the support rod 4 and improves the efficiency of installing the protective fence 2. In addition, only by pressing the two limiting blocks 21 on the sides at the same time can the plug-in cooperation of the limiting block 21 and the limiting groove 20 be released, and the support rod 4 can be pulled out of the limiting groove 20. When one limiting block 21 is inadvertently driven to move towards the inner side, the other limiting block 21 is still in the limiting groove 20, which also limits the sliding of the support rod 4 on the embedded pipe 3, thereby improving the stability of the overall structure and the protection effect of the protective fence 2.

Claims

1. A detachable protective fence for construction, comprising a protective fence (2) arranged around a hole (1), characterized in that: The guardrail (2) comprises a pre-buried pipe (3) arranged around the hole (1), and a support rod (4) detachably connected with the pre-buried pipe (3), a plurality of guard chains (5) are arranged between two adjacent support rods (4), a plurality of connecting pieces (6) are symmetrically arranged on both sides of the support rod (4), a plurality of fixing rods (7) are slidably connected to the connecting pieces (6), the two ends of the guard chain (5) are respectively provided with a sleeve ring (8) sleeved outside the fixing rod (7), and the adjusting rod (9) for driving the fixing rod (7) to slide on the connecting piece (6) is further arranged.

2. The detachable protective fence rail for construction according to claim 1, characterized in that: The adjusting rod (9) is in threaded connection with the connecting piece (6), and the end of the adjusting rod (9) is in contact with the fixing rod (7).

3. The detachable protective fence rail for construction according to claim 2, characterized in that: The end of the adjusting rod (9) is provided with a protrusion (10), the end of the fixing rod (7) is provided with a groove (11) in sliding connection with the protrusion (10), and the two sides of the protrusion (10) are in sliding contact with the groove (11).

4. The detachable protective fence rail for construction according to claim 1, characterized in that: The two ends of the fixing rod (7) are respectively provided with a first nut (12) and a second nut (13), and the first nut (12) and the second nut (13) are respectively in contact with the sleeve ring (8) and the connecting piece (6).

5. A demountable barrier fence for construction sites as claimed in claim 4 wherein: The first nut (12) and the sleeve ring (8) are provided with a gasket (14) therebetween.

6. The detachable protective fence rail for construction according to claim 1, characterized in that: The pre-buried pipe (3) is provided with a vertical hole (15) in sliding connection with the support rod (4), and the end of the pre-buried pipe (3) is provided with a bottom plate (16) in contact with the support rod (4), and the bottom plate (16) is provided with a plurality of reinforcing plates (17) connected with the pre-buried pipe (3).

7. A demountable barrier fence for construction sites as claimed in claim 6 wherein: The bottom plate (16) is provided with a guide block (18) penetrating through the vertical hole (15), and the end of the support rod (4) is provided with a guide groove (19) in sliding contact with the guide block (18).

8. The detachable protective fence rail for construction according to claim 1, characterized in that: The pre-buried pipe (3) is provided with a plurality of limiting grooves (20), the end of the support rod (4) is symmetrically provided with a limiting block (21) in plug-in cooperation with the limiting groove (20), a reset spring (22) is arranged between the two limiting blocks (21), and the upper and lower sides of the limiting block (21) are respectively provided with a flat surface (23) and an inclined surface (24), and the flat surface (23) and the inclined surface (24) are respectively in contact with the limiting groove (20) and the pre-buried pipe (3).

Images