CN217176110U

CN217176110U - Protective guardrail for construction engineering foundation pit

Info

Publication number: CN217176110U
Application number: CN202123327908.8U
Authority: CN
Inventors: 卫赵斌; 何燕
Original assignee: North China Institute of Science and Technology
Current assignee: North China Institute of Science and Technology
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-08-12
Anticipated expiration: 2031-12-27

Abstract

The utility model provides a protective guardrail for a foundation pit of building engineering, which comprises a protective fence and a protective fence fixing base which are detachably connected in a separated way, wherein the protective fence is also provided with a safety warning lamp; the protective guard fixing base comprises a fixing bottom plate fixed on the ground, grooves are formed in the left and right sides of the upper portion of the fixing bottom plate respectively, a foldable limiting baffle is arranged in each groove, and the limiting baffle is connected with one side of each groove through a hinge to rotate around one side of each groove; the limiting baffle comprises a supporting plate and a buckling plate. The utility model discloses simple structure, convenient to use can realize simple and easy installation, convenient dismantlement, can repeat repetitious usage to striking safety warning mark when light is not good, and face the foundation ditch and face most of irregular foundation ditch of adaptation when limit special parts or anomalous region, improved the adaptability of this guardrail, convenient and practical more.

Description

Protective guardrail for construction engineering foundation pit

Technical Field

The utility model belongs to the technical field of the construction, concretely relates to building engineering is protection guardrail for foundation ditch.

Background

At present, with the rapid development of modern building industry, the building construction method is continuously updated, and more deep foundation pit building sites are provided. The foundation pit protection is a supporting, blocking, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit. In the building construction process, the safety problem is always the most important point to be concerned with; at the job site, the guardrail can be effectual keep apart staff and danger source, directly reduces the accident rate, is an extremely effectual safety protection measure. Therefore, in the construction, in order to ensure the safety of workers in the construction and prevent people or materials from falling into the deep foundation pit, a protective railing needs to be arranged beside the foundation pit for protection in the excavation stage.

However, in the prior art, the currently used protective guard has the following disadvantages that firstly, the installation and connection operation mode of the protective guard is complicated; secondly, when the light is not good, the safety warning sign on the guard rail is hard to notice, and accidents are easy to cause at night. In addition, the foundation ditch faces limit special parts or anomalous region, and often fixed dimension's design faces the unable installation of frontier defense guardrail, needs the cutting or makes again, is unfavorable for the turnover use in the follow-up engineering, causes the waste of engineering goods and materials.

Therefore, the protective guardrail for the foundation pit of the building engineering, which can be simply installed, conveniently detached and repeatedly used for multiple times, is designed, has a striking safety warning sign when light is not good, and is convenient to use when facing a special part at the edge of the foundation pit or an irregular area, and is very important.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that not enough to above-mentioned prior art provides a building engineering is protection guardrail for foundation ditch, and this building engineering is protection guardrail for foundation ditch simple and convenient reasonable in design can effectively solve traditional guardrail installation complex operation, light not have safe warning mark when not good and meet the foundation ditch and face the problem that the limit was prevented the guardrail need cut or make the design again when the irregular region in limit. According to the protective guardrail for the foundation pit of the building engineering, after the protective guardrail fixing base is pulled up and installed, the protective guardrail is directly inserted between the limiting plates on the protective guardrail fixing base, so that the effect of simple and convenient installation and disassembly can be realized, and the installation efficiency of workers is improved; and the effect of flexibly adapting to foundation pits of different shapes is realized by arranging the rotating shaft and the fixing device between the first protective guard and the second protective guard, when the protective guard does not need to turn, the situation of shaking possibly exists, and at the moment, the fixing device can be used for fixing. The mode can adapt to most irregular foundation pits, improves the adaptability of the guardrail and is more convenient and practical; and the upper part of the protective guard is also provided with a safety warning lamp which can be used for solving the technical problems that when the light is not good, personnel are difficult to notice the safety warning mark on the protective guard and accidents are easily caused at night.

In order to solve the technical problem, the utility model discloses a technical scheme is: a protective guard rail for a foundation pit in constructional engineering comprises a guard rail and a guard rail fixing base, wherein the guard rail is arranged at the upper part of the guard rail fixing base, the guard rail fixing base is detachably connected with the guard rail in a separated mode, and a safety warning lamp is further arranged on the guard rail; the protective guard comprises a first protective guard and a second protective guard, the first protective guard and the second protective guard are identical in structure and are rotatably connected through a rotating shaft, the first protective guard comprises a frame, a fixing rod, a protective net, a prompting board and a foot stopping plate, the frame is arranged around the first protective guard, the fixing rod is transversely and fixedly welded inside the frame, the protective net is fixedly connected in an upper area formed by the frame and the fixing rod in a surrounding mode, the foot stopping plate is fixedly connected in a lower area formed by the frame and the fixing rod in a surrounding mode, and the prompting board used for hanging a prompting slogan is arranged in the center of the protective net; the protective guard fixing base comprises a fixing bottom plate fixed on the ground, grooves are formed in the left and right sides of the upper portion of the fixing bottom plate respectively, a foldable limiting baffle is arranged in each groove, and the limiting baffle is connected with one side of each groove through a hinge to rotate around one side of each groove; the limiting baffle comprises a supporting plate and a buckling plate, the supporting plate is embedded in the buckling plate, and the supporting plate and the buckling plate are connected in a rotating mode through hinges.

Preferably, the limit baffle is provided with a concave handle for lifting the limit baffle.

Preferably, a clamping groove used for preventing the supporting plate from sliding is formed in the groove.

Preferably, a fixer is arranged above the first guard rail and the second guard rail.

Preferably, the frame and the fixing rod are both made of square steel with the thickness of 30 x 1.35mm, and the height of the foot blocking plate is set to be 20 cm.

Preferably, the width of the first guard rail is set to 200cm, and the height of the first guard rail is set to 120com-200 cm.

Preferably, yellow anti-rust paint is coated on the outer portion of the guard rail, and yellow and black warning anti-rust paint is coated on the outer portion of the foot baffle.

Preferably, the guard rail fixing base is made of stainless steel.

Preferably, the fixing bottom plate of the guard rail fixing base is fixed to the ground by a Φ 12 × 4 expansion bolt.

Compared with the prior art, the utility model has the following advantage:

1. after the protective guard fixing base is pulled up and installed, the protective guard is directly inserted between the limiting plates on the protective guard fixing base, the simple and convenient installation and disassembly effect can be achieved, and the installation efficiency of workers is improved.

2. The effect of flexibly adapting to foundation pits of different shapes is achieved by arranging the rotating shaft and the fixing device between the first protective guard and the second protective guard, when the protective guard does not need to turn, the shaking condition possibly exists, and the fixing device can be used for fixing at the moment. This kind of mode can adapt to most of irregular foundation ditch, has improved the adaptability of this guardrail, and is convenient and practical more.

3. Through being provided with safety warning light, can be used for solving when light is not good, personnel are difficult to notice the safety warning sign on the rail guard, arouse the technical problem of accident easily evening.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the guard rail fixing base of the present invention when not opened.

Fig. 3 is a schematic structural view of the guard rail fixing base of the present invention.

Fig. 4 is a schematic sectional view of the guard rail fixing base of the present invention.

Description of reference numerals:

1, protecting a fence; 2, fixing a base of the guard rail; 3-a first guard rail;

4-a second guard rail; 5, a rotating shaft; 6, a frame;

7, fixing a rod; 8, a protective net; 9-a notice board;

10-a toe board; 11-a fixed base plate; 12-a groove;

13-a limit baffle; 14-a hinge; 15-a support plate;

16-a fastening plate; 17-a hinge; 18-a female handle;

19-a card slot; 20-a holder; 21-expansion bolt.

Detailed Description

The protection guardrail for the foundation pit of the building engineering shown in fig. 1-4 comprises a guardrail 1 and a guardrail fixing base 2, wherein the guardrail 1 is arranged at the upper part of the guardrail fixing base 2, the guardrail fixing base 2 is detachably connected with the guardrail 1 in a separated manner, and a safety warning lamp is further arranged on the guardrail; set up like this and can effectively solve traditional guardrail installation complex operation, light when not good the technical problem that does not have safety warning mark.

The protective guard comprises a first protective guard 3 and a second protective guard 4, the first protective guard 3 and the second protective guard 4 are identical in structure and are rotatably connected through a rotating shaft 5, and the rotating shaft and a fixer are arranged between the first protective guard and the second protective guard to achieve the effect of flexibly adapting to foundation pits of different shapes.

First rail guard 3 includes frame 6, dead lever 7, protection network 8, notice board 9 and keeps off sole 10, 3 a week of first rail guard is provided with frame 6, the horizontal fixed welding of dead lever 7 is in inside the frame 6, frame 6 with dead lever 7 centers on the regional interior fixedly connected with in upper portion that forms protection network 8, frame 6 with dead lever 7 centers on the regional interior fixedly connected with in lower part that forms keep off sole 10, 8 central points of protection network put to be provided with and are used for hanging the suggestion denoter the notice board 9.

The guard rail fixing base 2 comprises a fixing bottom plate 11 fixed on the ground, the left side and the right side of the upper portion of the fixing bottom plate 11 are respectively provided with a groove 12, a folding limiting baffle 13 is arranged in the groove 12, and the limiting baffle 13 is connected with one side of the groove 12 through a hinge 14 to realize that the limiting baffle 13 rotates around one side of the groove 12; the limiting baffle 13 comprises a supporting plate 15 and a buckling plate 16, the supporting plate 15 is embedded in the buckling plate 16, and the supporting plate 15 and the buckling plate 16 are rotatably connected through a hinge 17; the protective guard fixing base is convenient to collect and arrange in the part transportation process, the protective guard is directly inserted between the limiting plates on the protective guard fixing base after the protective guard fixing base is pulled up and installed, and the effect of simplicity and convenience in installation and disassembly can be achieved.

In this embodiment, the limit baffle 13 is provided with a concave handle 18 for lifting the limit baffle 13; the arrangement is convenient for workers to open the protective guard fixing base.

In this embodiment, a clamping groove 19 for preventing the supporting plate 15 from sliding is formed in the groove 12, and the problem that the supporting plate 15 cannot support the guard rail due to sliding can be solved by the clamping groove.

In this embodiment, a fixing device 20 is disposed above the first guard rail 3 and the second guard rail 4, the fixing device 20 includes a fixing base and a fixing stop lever, the fixing base is fixedly disposed at an upper portion of the first guard rail 3 near the rotating shaft, the fixing stop lever is inserted into the fixing base, and the fixing stop lever can slide left and right on the fixing base, when the fixing stop lever slides right, the length of the fixing stop lever can block the second guard rail 4, so as to prevent the second guard rail 4 from rotating around the rotating shaft in the middle of the first guard rail 3, so that when the guard rail does not need to turn, a shaking situation may exist, and at this time, the fixing device can be used for fixing. This kind of mode can adapt to most of irregular foundation ditch, has improved the adaptability of this guardrail, and is convenient and practical more.

In this embodiment, the frame 6 and the fixing rod 7 are both made of square steel of 30 × 30 × 1.35mm, and the height of the foot blocking plate 10 is set to be 20 cm. The width of the first guard rail 3 is set to 200cm, and the height of the first guard rail 3 is set to 120com-200 cm. Yellow anti-rust paint is coated on the outer portion of the protective guard 1, and yellow and black alternative warning anti-rust paint is coated on the outer portion of the foot baffle plate 10. The construction method is set according to the requirements of the industry standard of the people's republic of China' JGJ120-2012 for supporting the foundation pit.

In this embodiment, the guard rail fixing base 2 is made of stainless steel.

In this embodiment, the fixing bottom plate 11 of the guard rail fixing base 2 is fixed to the ground by using a Φ 12 × 4 expansion bolt 21, so that the stability of supporting the guard rail 1 is improved.

The utility model discloses theory of operation when using does:

firstly, the guard rail fixing bases 2 are uniformly arranged at the edge position of the foundation pit outline according to the width of the guard rail 1, and are fixed with the ground by adopting expansion bolts 21 with the diameter of 12 multiplied by 4, so that the support stability of the guard rail 1 can be improved.

Then, the limiting baffle 13 on the protective guard fixing base 2 is pulled up, the supporting plate 15 inside the buckling plate 16 is fixed in the groove 12, and then the plurality of protective guards 1 and the limiting baffle 13 inserted into the protective guard fixing base 2 are arranged in the middle.

When the outline of the foundation pit is a straight line, the protective guard 1 does not need to turn, and because the rotating shaft is arranged at the middle position of the protective guard 1, the situation of shaking can exist, and the protective guard can be fixed through the fixer 20; when the contour of the foundation pit is curved, the holder 20 is opened so that the guard rail 1 can be fitted to the contour of the foundation pit.

Because the range of possible foundation ditch is great, rail guard 1 need set up a plurality ofly and splice, still is provided with the line knot between two rail guard 1 units and carries out the lock joint, reinforcing firm effect.

In the dismouting in-process after using, after removing the fixed effect of a word knot and fixer, only need with rail guard 1 directly pull out can, can realize conveniently dismantling, increase work efficiency's effect.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modifications, changes and equivalent changes made to the above embodiments according to the technical spirit of the present invention all fall within the protection scope of the technical solution of the present invention.

Claims

1. The protective guardrail for the building engineering foundation pit is characterized by comprising a protective guardrail (1) and a protective guardrail fixing base (2), wherein the protective guardrail (1) is arranged at the upper part of the protective guardrail fixing base (2), the protective guardrail fixing base (2) is detachably connected with the protective guardrail (1) in a separated mode, and a safety warning lamp is further arranged on the protective guardrail;

the guard rail (1) comprises a first guard rail (3) and a second guard rail (4), the first guard rail (3) and the second guard rail (4) have the same structure and are rotatably connected through a rotating shaft (5), the first protective guard (3) comprises a frame (6), a fixing rod (7), a protective net (8), a notice board (9) and a foot baffle plate (10), the frame (6) is arranged on the periphery of the first guard rail (3), the fixing rod (7) is transversely and fixedly welded in the frame (6), the upper region formed by the frame (6) and the fixing rod (7) is fixedly connected with the protective net (8), the lower area formed by the surrounding of the frame (6) and the fixed rod (7) is fixedly connected with the foot baffle plate (10), the central position of the protective net (8) is provided with the prompting board (9) for hanging a prompting slogan;

the protective guard fixing base (2) comprises a fixing bottom plate (11) fixed on the ground, the left side and the right side of the upper portion of the fixing bottom plate (11) are respectively provided with a groove (12), a foldable limiting baffle (13) is arranged in the groove (12), and the limiting baffle (13) is connected with one side of the groove (12) through a hinge (14) to realize that the limiting baffle (13) rotates around one side of the groove (12);

the limiting baffle (13) comprises a supporting plate (15) and a buckling plate (16), the supporting plate (15) is embedded inside the buckling plate (16), and the supporting plate (15) and the buckling plate (16) are connected in a rotating mode through a hinge (17).

2. The protective guardrail for the foundation pit of the building engineering as claimed in claim 1, wherein the limit baffle (13) is provided with a concave handle (18) for lifting the limit baffle (13).

3. The protective guardrail for the foundation pit of the building engineering as claimed in claim 1, wherein a clamping groove (19) for preventing the support plate (15) from sliding is arranged in the groove (12).

4. The protective guard for the foundation pit of building engineering according to claim 1, characterized in that a fixer (20) is arranged above and between the first guard rail (3) and the second guard rail (4).

5. The protective guardrail for the foundation pit of the building engineering as claimed in claim 1, wherein the frame (6) and the fixing rod (7) are both made of square steel with the thickness of 30 x 1.35mm, and the height of the foot blocking plate (10) is set to be 20 cm.

6. A protective guard rail for foundation pit of building engineering according to claim 1, characterized in that the width of the first guard rail (3) is set to 200cm, and the height of the first guard rail (3) is set to 120com-200 cm.

7. The protective guardrail for the foundation pit of the building engineering as claimed in claim 1, wherein the protective guardrail (1) is coated with yellow antirust paint on the outside, and the foot baffle plate (10) is coated with yellow-black warning antirust paint on the outside.

8. The protective guardrail for the foundation pit of the building engineering as claimed in claim 1, wherein the protective guardrail fixing base (2) is made of stainless steel.

9. The protective fence for the foundation pit of the building engineering according to claim 1, wherein the fixing bottom plate (11) of the protective fence fixing base (2) is fixed with the ground by adopting an expansion bolt (21) of phi 12 x 4.