Safety guardrail

Abstract

The utility model provides a safety guardrail, belongs to the technical field of protective facilities of constructional engineering, and aims to solve the problems that the efficiency of installing the guardrail by using expansion bolts is low and the subsequent detachment of the guardrail is inconvenient in the prior art. Comprising a protection supporting vertical rod, a mounting fixing base, an anti-falling object rotating shaft, an anti-falling object shielding net, a first protection connecting rod, a protection mounting mechanism and an anti-falling driving mechanism. Mounting and fixing bases are welded to the lower portions of the protective supporting vertical rods correspondingly; the anti-falling object rotating shafts are arranged on the inner sides of the lower portions of the protection supporting vertical rods correspondingly. The left end of the anti-falling object shielding net is fixedly connected with the group of anti-falling object rotating shafts on the left side; a plurality of groups of first protection connecting rods are arranged, and are hinged to the inner sides of the protection supporting vertical rods; the protection mounting mechanism is arranged below the protection supporting vertical rod; the anti-falling driving mechanism is arranged at the lower end of the interior of the protective supporting vertical rod, damage to the stair body is avoided, and the mounting and dismounting efficiency of the whole protective fence is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of protective facilities for construction projects, and more specifically, particularly relates to a safety guardrail. Background Art

[0002] During construction, it is often necessary to temporarily protect the stairs inside the building. In the existing temporary protection of the building stairs, steel pipes are generally used to form temporary guardrails, and the guardrails are installed on the outside through expansion bolts to achieve the protection function.

[0003] The invention patent with the existing application number: CN202010267820.2 discloses a construction safety guardrail, which belongs to the field of guardrails. A construction safety guardrail comprises a pair of brackets, a mounting rod is connected between the pair of brackets, and a plurality of guardrail single poles are plugged into the mounting rod. The guardrail single pole comprises a hollow steel rod, and the upper and lower ends of the hollow steel rod are fixedly connected with sealed end heads, one sealing end head is fixedly connected with a connecting block, and the other sealing end head is fixedly connected with a plug. A pair of clamping plates matching the connecting block are clamped between the pair of brackets, and a locking bolt is connected between the clamping plate and the connecting block. The guardrail single pole is covered with a composite air cushion ring, and the composite air cushion ring comprises an air storage inner ring, and a plurality of distributed air bags are fixedly connected to the outer wall of the air storage inner ring, so that secondary buffering of impact can be achieved through the composite air cushion ring, thereby improving the impact resistance of the guardrail, facilitating the disassembly, assembly and maintenance of the guardrail single bar, and improving the reuse rate of the device.

[0004] Based on the above, when the guardrail is fixed with expansion bolts, an electric drill is needed to drill holes in the stairs, which causes damage to the main body of the stairs. At the same time, the efficiency of installing the guardrail with expansion bolts is low, and the subsequent disassembly of the guardrail is inconvenient. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a safety guardrail to solve the problem that when the guardrail is fixed with expansion bolts, an electric drill needs to be used to drill holes in the stairs, resulting in damage to the main body of the stairs. At the same time, the efficiency of installing the guardrail with expansion bolts is low, and the subsequent disassembly of the guardrail is inconvenient.

[0006] The purpose and effect of the safety guardrail of the utility model are achieved by the following specific technical means:

[0007] A safety guardrail comprises a protection support upright, a mounting fixed base, an anti-falling object rotating shaft, an anti-falling object shielding net, a first protection connecting rod, a protection mounting mechanism and an anti-falling driving mechanism;

[0008] The mounting and fixing bases are provided with two groups in total, and the two groups of mounting and fixing bases are respectively welded below the protective support upright poles;

[0009] There are two groups of anti-falling object rotating shafts, which are respectively arranged at the lower inner side of the protection support upright pole;

[0010] The left end of the anti-falling object shielding net is fixedly connected to a group of anti-falling object rotating shafts on the left side, and the right end of the anti-falling object shielding net is wound around the outer circumference of a group of anti-falling object rotating shafts on the right side;

[0011] The first protection connecting rods are provided with multiple groups, and the multiple groups of first protection connecting rods are hinged on the inner side of the protection support upright pole;

[0012] The protection installation mechanism is arranged below the protection support pole;

[0013] The anti-falling driving mechanism is arranged at the inner lower end of the protection support upright pole.

[0014] Furthermore, the protective installation mechanism includes: installing a limiting slide plate and installing an extrusion screw;

[0015] The installation limit slide plates are provided with two groups in total, and the two groups of installation limit slide plates are respectively slidably connected to the inner rear of the installation fixed base;

[0016] The installation extrusion screw rods are provided with two groups in total, and the two groups of installation extrusion screw rods are respectively rotatably connected above the installation limit slide plate, and the two groups of installation extrusion screw rods are both threadedly connected with the installation fixed base.

[0017] Furthermore, the protective installation mechanism also includes: installing a compensation plate;

[0018] The installation compensation plates are arranged in two groups, and the two groups of installation compensation plates are rotatably connected to the front lower ends of the installation limiting slide plates respectively.

[0019] Furthermore, the protection installation mechanism also includes: a second protection link and a third protection link;

[0020] The second protection link rods are provided with a plurality of groups, and the plurality of groups of second protection link rods are respectively fixedly connected to the inner sides of the first protection link rods;

[0021] The third protection link rods are provided in multiple groups, each of which is composed of two groups of mutually hinged links, and both left and right ends of the multiple groups of third protection link rods are slidably connected to the second protection link rod.

[0022] Furthermore, the anti-falling driving mechanism comprises: an anti-falling connecting seat and an anti-falling connecting spring;

[0023] The anti-falling connection seats are provided with two groups in total, and the two groups of anti-falling connection seats are respectively rotatably connected to the inner lower ends of the protection support uprights, and the two groups of anti-falling object rotating shafts are both rotatably connected to the tops of the anti-falling connection seats;

[0024] The anti-falling connection spring is a scroll spring structure, and the anti-falling connection spring is fixedly connected to the lower end of the outer circumference of a group of anti-falling object rotating shafts on the right side.

[0025] Furthermore, the anti-falling driving mechanism also includes: an anti-falling driving gear, an anti-falling driving rack and an anti-falling supporting spring;

[0026] The anti-falling drive gear is provided with two groups in total, and the two groups of anti-falling drive gears are respectively rotatably connected to the inner lower ends of the protection support uprights, and the anti-falling drive gears are coaxially fixedly connected to the anti-falling connection seat;

[0027] The anti-falling drive racks are provided with two groups in total, and the two groups of anti-falling drive racks are respectively slidably connected to the inner lower ends of the protection support uprights, and the two groups of anti-falling drive racks are respectively meshed with the anti-falling drive gears;

[0028] The anti-fall support springs are arranged in two groups, and the two groups of anti-fall support springs are respectively fixedly connected to the upper ends of the anti-fall driving racks, and the upper ends of the two groups of anti-fall support springs are fixedly connected to the protection support uprights.

[0029] Compared with the prior art, the utility model has the following beneficial effects:

[0030] The utility model provides a protective installation mechanism. When it is necessary to protect the building stairs, the fixing base is placed above the stair treads, and then the extrusion screw is rotated. The rotation of the extrusion screw drives the installation limit slide to move upward. The upward movement of the installation limit slide drives the installation compensation plate to move upward. The installation compensation plate moves upward and fits the bottom surface of the stairs. At this time, the installation of the entire guardrail is realized, the use of expansion bolts to install the guardrail is avoided, the damage to the stair main body is avoided, and the installation and removal efficiency of the entire guardrail is improved.

[0031] The utility model adopts the setting of the anti-fall driving mechanism, when the protective support upright is installed, the anti-fall driving rack is squeezed and moved upward, the anti-fall driving rack moves upward and drives the anti-fall driving gear to rotate, the rotation of the anti-fall driving gear drives the anti-fall connecting seat to rotate, the rotation of the anti-fall connecting seat drives the anti-fall object rotating shaft to flip outward, the anti-fall object rotating shaft flips outward and drives the anti-fall object shielding net to flip outward, thus realizing the anti-fall function, avoiding the falling of debris on the stairs, and improving the safety of the entire guardrail. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0033] Figure 2 It is a schematic diagram of the structure of the installation compensation plate of the utility model.

[0034] Figure 3 It is a schematic diagram of the structure of the protective installation mechanism of the utility model.

[0035] Figure 4 It is a schematic diagram of the anti-fall connecting spring structure of the utility model.

[0036] Figure 5 It is a structural schematic diagram of the anti-falling driving mechanism of the utility model.

[0037] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0038] 1. Protective support pole; 101. Install the limit slide plate; 102. Install the extrusion screw; 103. Install the compensation plate; 104. The second protective connecting rod; 105. The third protective connecting rod; 2. Install the fixed base; 3. Anti-falling object rotating shaft; 301. Anti-falling connecting seat; 302. Anti-falling connecting spring; 303. Anti-falling driving gear; 304. Anti-falling driving rack; 305. Anti-falling support spring; 4. Anti-falling object shielding net; 5. The first protective connecting rod. DETAILED DESCRIPTION

[0039] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples. Example

[0040] As attached Figure 1 To Attachment Figure 5 As shown:

[0041] The utility model provides a safety guardrail, comprising a protection support upright pole 1, a mounting and fixing base 2, an anti-falling object rotating shaft 3, an anti-falling object shielding net 4, a first protection connecting rod 5 and a protection mounting mechanism;

[0042] Two sets of mounting and fixing bases 2 are provided, and the two sets of mounting and fixing bases 2 are respectively welded below the protection support poles 1;

[0043] There are two groups of anti-falling object rotating shafts 3, and the two groups of anti-falling object rotating shafts 3 are respectively arranged at the lower inner side of the protection support upright pole 1;

[0044] The left end of the anti-falling object shielding net 4 is fixedly connected to a group of anti-falling object rotating shafts 3 on the left side, and the right end of the anti-falling object shielding net 4 is wound around the outer periphery of a group of anti-falling object rotating shafts 3 on the right side;

[0045] There are multiple sets of first protection connecting rods 5, and the multiple sets of first protection connecting rods 5 are hinged to the inner side of the protection support pole 1;

[0046] The protection installation mechanism is arranged below the protection support pole 1 .

[0047] The protection installation mechanism includes: installing a limit slide plate 101, installing an extrusion screw 102, installing a compensation plate 103, a second protection connecting rod 104 and a third protection connecting rod 105;

[0048] Two sets of installation limit slide plates 101 are provided, and the two sets of installation limit slide plates 101 are respectively slidably connected to the inner rear of the installation fixed base 2;

[0049] Two groups of mounting extrusion screws 102 are provided, and the two groups of mounting extrusion screws 102 are respectively rotatably connected to the upper part of the mounting limit slide plate 101, and the two groups of mounting extrusion screws 102 are both threadedly connected to the mounting fixed base 2;

[0050] There are two sets of installation compensation plates 103, and the two sets of installation compensation plates 103 are rotatably connected to the front lower ends of the installation limiting slide plates 101 respectively;

[0051] The second protection link rod 104 is provided with multiple groups, and the multiple groups of second protection link rods 104 are respectively fixedly connected to the inner side of the first protection link rod 5;

[0052] There are multiple sets of third protection links 105 , each of which is composed of two sets of links hinged to each other. Both left and right ends of the multiple sets of third protection links 105 are slidably connected to the second protection links 104 .

[0053] During use, when it is necessary to protect the building stairs, the fixing base 2 is placed above the stair treads, and then the extrusion screw 102 is rotated. The rotation of the extrusion screw 102 drives the limiting slide 101 to move upward. The limiting slide 101 moves upward and drives the compensation plate 103 to move upward. The compensation plate 103 moves upward and fits the bottom surface of the stairs. At this time, the installation of the entire guardrail is realized, avoiding the use of expansion bolts to install the guardrail, avoiding damage to the main body of the stairs, and improving the installation and removal efficiency of the entire guardrail. At the same time, the first protective link 5, the second protective link 104 and the third protective link 105 are used to achieve self-adaptation to the inclination of the stairs, thereby increasing the scope of application of the entire guardrail. Example

[0054] The utility model provides a safety guardrail, based on the first embodiment, as Figures 1 to 5 As shown, it also includes an anti-falling driving mechanism, which is arranged at the lower end of the inner part of the protection support pole 1.

[0055] The anti-falling driving mechanism includes: an anti-falling connecting seat 301, an anti-falling connecting spring 302, an anti-falling driving gear 303, an anti-falling driving rack 304 and an anti-falling supporting spring 305;

[0056] There are two groups of anti-falling connection seats 301, which are respectively rotatably connected to the inner lower ends of the protection support uprights 1, and the two groups of anti-falling shafts 3 are both rotatably connected to the tops of the anti-falling connection seats 301;

[0057] The anti-fall connection spring 302 is a scroll spring structure, and the anti-fall connection spring 302 is fixedly connected to the lower end of the outer circumference of the right set of anti-fall rotating shafts 3;

[0058] There are two sets of anti-falling driving gears 303, which are respectively rotatably connected to the inner lower end of the protection support pole 1, and the anti-falling driving gears 303 are coaxially fixedly connected with the anti-falling connection seat 301;

[0059] There are two sets of anti-falling driving racks 304, which are respectively slidably connected to the inner lower ends of the protection support uprights 1, and the two sets of anti-falling driving racks 304 are respectively meshed with the anti-falling driving gears 303;

[0060] There are two groups of anti-falling support springs 305, which are respectively fixedly connected to the upper ends of the anti-falling driving racks 304, and the upper ends of the two groups of anti-falling support springs 305 are fixedly connected to the protective support pole 1.

[0061] During use, when the protective support upright 1 is installed, the anti-fall driving rack 304 is squeezed and moved upward, and the anti-fall driving rack 304 moves upward to drive the anti-fall driving gear 303 to rotate, and the rotation of the anti-fall driving gear 303 drives the anti-fall connecting seat 301 to rotate, and the rotation of the anti-fall connecting seat 301 drives the anti-fall object rotating shaft 3 to flip outward, and the anti-fall object rotating shaft 3 flips outward and drives the anti-fall object shielding net 4 to flip outward, thereby realizing the anti-fall function, avoiding the falling of debris on the stairs, and improving the safety of the entire guardrail.

[0062] In this article, there are a few points to note:

[0063] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0064] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0065] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A safety guardrail, characterized in that: The invention comprises a protective support upright pole (1), a mounting limit slide plate (101), a mounting extrusion screw rod (102), a mounting compensation plate (103), a mounting fixed base (2), an anti-falling object rotating shaft (3), an anti-falling object shielding net (4), a first protective connecting rod (5), a protective mounting mechanism and an anti-falling driving mechanism; the mounting fixed base (2) is provided with two groups, and the two groups of mounting fixed bases (2) are respectively welded to the bottom of the protective support upright pole (1); the mounting limit slide plate (101) is provided with two groups, and the two groups of mounting limit slide plates (101) are respectively slidably connected to the inner rear of the mounting fixed base (2); the mounting extrusion screw rod (102) is provided with two groups, and the two groups of mounting extrusion screw rods (102) are respectively rotatably connected to the top of the mounting limit slide plate (101), and the two groups of mounting extrusion screw rods (102) are both connected to the mounting limit slide plate (101). The fixing base (2) is threadedly connected; two groups of the installation compensation plates (103) are provided, and the two groups of installation compensation plates (103) are respectively rotatably connected to the front lower end of the installation limit slide plate (101); two groups of the anti-falling object rotating shafts (3) are provided, and the two groups of anti-falling object rotating shafts (3) are respectively provided at the lower inner side of the protection support upright (1); the left end of the anti-falling object shielding net (4) is fixedly connected to the left group of anti-falling object rotating shafts (3), and the right end of the anti-falling object shielding net (4) is wound around the outer periphery of the right group of anti-falling object rotating shafts (3); a plurality of groups of the first protection connecting rods (5) are provided, and the plurality of groups of the first protection connecting rods (5) are hinged to the inner side of the protection support upright (1); the protection installation mechanism is provided at the lower side of the protection support upright (1); and the anti-falling driving mechanism is provided at the inner lower end of the protection support upright (1).

2. A safety guardrail as claimed in claim 1, characterized in that: The protection installation mechanism also includes: a second protection link (104) and a third protection link (105); the second protection link (104) is provided in multiple groups, and the multiple groups of second protection links (104) are respectively fixedly connected to the inner side of the first protection link (5); the third protection link (105) is provided in multiple groups, and the multiple groups of third protection links (105) are each composed of two groups of links hinged to each other, and the left and right ends of the multiple groups of third protection links (105) are both slidably connected to the second protection link (104).

3. A safety guardrail as claimed in claim 1, characterized in that: The anti-falling driving mechanism comprises: an anti-falling connection seat (301) and an anti-falling connection spring (302); the anti-falling connection seat (301) is provided in two groups, the two groups of anti-falling connection seats (301) are respectively rotatably connected to the inner lower end of the protection support upright (1), and the two groups of anti-falling object rotating shafts (3) are both rotatably connected above the anti-falling connection seat (301); the anti-falling connection spring (302) is a scroll spring structure, and the anti-falling connection spring (302) is fixedly connected to the outer circumferential lower end of the right group of anti-falling object rotating shafts (3).

4. A safety guardrail as claimed in claim 3, characterized in that: The anti-falling driving mechanism further comprises: an anti-falling driving gear (303), an anti-falling driving rack (304) and an anti-falling support spring (305); the anti-falling driving gear (303) is provided in two groups, the two groups of anti-falling driving gears (303) are respectively rotatably connected to the lower end of the protection support pole (1), and the anti-falling driving gear (303) is coaxially fixedly connected to the anti-falling connection seat (301); the anti-falling driving rack (304) is provided in two groups, the two groups of anti-falling driving racks (304) are respectively slidably connected to the lower end of the protection support pole (1), and the two groups of anti-falling driving racks (304) are respectively meshed with the anti-falling driving gear (303); the anti-falling support spring (305) is provided in two groups, the two groups of anti-falling support springs (305) are respectively fixedly connected to the upper ends of the anti-falling driving racks (304), and the upper ends of the two groups of anti-falling support springs (305) are both fixedly connected to the protection support pole (1).

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