Safety protection frame for building foundation pit

Abstract

The utility model relates to the technical field of protection frames, and discloses a building foundation pit safety protection frame which comprises protection plates, the protection plates are composed of a first fixing plate and a second fixing plate, and the outer side of the first fixing plate is provided with an installation mechanism used for installing and connecting the multiple protection plates. The first fixing plate is provided with an adjusting mechanism used for adjusting the width of the protection plate. Through the arrangement of the first fixing plate, the second fixing plate, the mounting mechanism and the adjusting mechanism, during use, a user can mount two protection plates through the mounting mechanism, then the size of the protection plates can be adjusted through the adjusting mechanism, the effect that the user can conveniently mount the protection plates is achieved, and the practicability is high. And the size of the protection plate can be adjusted, so that the antiskid plate can be conveniently carried and stored by a user, and meanwhile, the protection range of the protection plate can be greatly expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of protective frames, and in particular to a safety protective frame for a building foundation pit. Background Art

[0002] A foundation pit is a pit excavated at the foundation's designed location, based on the base elevation and plan dimensions. Before excavation, the excavation plan should be determined based on geological and hydrological data, combined with the conditions of nearby buildings, and proper waterproofing and drainage. While the foundation pit is being excavated, personnel and pedestrians frequently enter and exit the construction area. If construction workers and pedestrians fail to promptly notice the location of the foundation pit, they could easily fall into it, potentially causing bodily harm. Therefore, protective devices must be installed around the foundation pit.

[0003] The Chinese utility model patent application number: 202120488733.X discloses a safety protection device for foundation pits for civil construction, comprising a protective plate, wherein the front surface of the protective plate is provided with a through hole, the lower end of the protective plate is fixedly connected to a connecting plate, the lower surface of the connecting plate is provided with an auxiliary groove, the upper surface of the connecting plate is provided with a clamping hole, the internal movable clamping of the clamping hole is connected to a clamping rod, the lower end of the connecting plate is provided with a fixing cone, the fixing cone is conical, and the upper end of the fixing cone is fixedly connected to an auxiliary block. This safety protection device for foundation pits for civil construction no longer requires the use of traditional screws to fix it, thereby increasing the speed of installation and disassembly, thereby reducing the labor intensity of operators, and at the same time ensuring the integrity of the protective plate when disassembling, thereby avoiding damage during disassembly, thereby reducing material waste and financial expenditure, and increasing the number of times it can be reused.

[0004] However, the size of the protective plate in the above technical solution is fixed, which results in a large volume of the protective plate, making it inconvenient for users to carry and store the protective plate, thereby greatly reducing its practicality. Moreover, since the size of the protective plate is fixed, its practicality is poor. Utility Model Content

[0005] The purpose of the utility model is to provide a safety protection frame for a construction foundation pit, which solves the problem that the size of the protective plate in the above-mentioned technical solution is fixed, resulting in a large volume of the protective plate, which makes it inconvenient for users to carry and store the protective plate, thereby greatly reducing its practicality. In addition, since the size of the protective plate is fixed, its practicality is poor.

[0006] The utility model provides the following technical solution: a building foundation pit safety protection frame, including a protective plate, the protective plate consists of a first fixed plate and a second fixed plate, an installation mechanism for installing and connecting multiple protective plates is provided on the outer side of the first fixed plate, and an adjustment mechanism for adjusting the width of the protective plate is provided on the first fixed plate.

[0007] As a preferred embodiment of the above technical solution, the mounting mechanism includes a bracket fixedly connected to the outer side of the first fixed plate and two positioning blocks fixedly connected to the outer side of the second fixed plate, the outer side of the bracket is rotatably connected to a support, the support is provided with two positioning slots and rectangular holes distributed at equal intervals, and a through hole is also provided on the support, the inner side of the rectangular hole is fixedly connected with a spring, the end of the spring away from the rectangular hole is fixedly connected with a slide, the bottom of the slide is fixedly connected with a plug rod, the outer side of the slide is fixedly connected with a connecting rod, the top of the connecting rod is fixedly connected with a handle, and a plug hole is provided on the positioning block. The user can pull the handle, and the movement of the handle drives the connecting rod to move. The movement of the connecting rod drives the two slides to move in the rectangular holes. The movement of the slide drives the plug rod to move and squeeze the spring. When the plug rod moves to a position where it does not block the positioning block, the user can insert the positioning block on the other protective plate into the positioning slot, and then release the handle. At this time, the two slides will return to their original position under the influence of the spring, and the plug rods at the bottom of the two slides will pass through the two through holes and be inserted into the plug holes on the two positioning blocks. At this time, the connection between the two protective plates is completed, thereby realizing the installation between the two protective plates, thereby greatly improving the practicality and installation efficiency.

[0008] As a preferred embodiment of the above technical solution, the positions of the two positioning grooves correspond to the two positioning blocks, and the sizes of the two positioning grooves are adapted to the two positioning blocks. The two rectangular holes are both connected to the through hole. There are two springs, slides and insertion rods. One end of the two springs is fixedly connected to the inner top of the two rectangular holes, and the other end of the two springs is fixedly connected to the top of the two slides. The two slides are respectively distributed on the inner sides of the two rectangular holes. The two insertion rods are respectively fixedly connected to the bottom of the two slides. There are through-holes between the two rectangular holes and the two positioning grooves. The two insertion rods pass through the two through-holes and are distributed on the inner sides of the two positioning grooves. The two slides are fixedly connected to the connecting rod, and the end of the connecting rod away from the slide passes through the through hole and is fixedly connected to the handle. Sockets are provided on the two positioning blocks. The positions of the two sockets correspond to the two insertion rods and the two through-holes, and the sizes of the two sockets are adapted to the two insertion rods.

[0009] The cam is connected to the second end of the first support rod and the second support rod is connected to the cam by a threaded connection, and the cam is connected to the first support rod by a threaded connection.

[0010] As a preferred embodiment of the above technical solution, one end of the bidirectional screw is rotatably connected to the inner side of the second inner groove through the bearing seat, and the other end of the bidirectional screw passes through the second inner groove and is fixedly connected to the crank, and the limit rod is fixedly connected to the inner side of the first inner groove.

[0011] As a preferred embodiment of the above technical solution, there are two first sliders, two second sliders, two first support rods and two second support rods. The two first sliders are threadedly connected to the bidirectional screw, and the two first sliders are distributed on the inner side of the second inner groove. The two first support rods are respectively fixedly connected to the two first sliders. The two second sliders are slidably connected to the limit rod, and the two second sliders are distributed on the inner side of the first inner groove. The two second support rods are respectively fixedly connected to the two second sliders. One end of the scissors rod is rotatably connected to the two first support rods, and the other end of the scissors rod is rotatably connected to the two second support rods.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model is provided with a first fixing plate, a second fixing plate, a mounting mechanism and an adjusting mechanism. When in use, the user can pull the handle, and the movement of the handle drives the connecting rod to move, and the movement of the connecting rod drives the two slides to move in the rectangular hole. The movement of the slide drives the insertion rod to move and squeeze the spring. When the insertion rod moves to a position where it does not block the positioning block, the user can insert the positioning block on the other protective plate into the positioning groove, and then release the handle. At this time, the two slides will return to their original positions under the influence of the spring. At this time, the insertion rods at the bottom of the two slides will pass through the two through holes and then be inserted into the insertion holes on the two positioning blocks. At this time, the connection between the two protective plates is completed. When it is necessary to adjust the width of the anti-slide plate, the user can turn the crank handle. The rotation of the crank drives the bidirectional screw to rotate, and the rotation of the bidirectional screw drives the two first sliders to move through the second inner groove. The movement of the first slider drives the first support rod to move. The movement of the first support rod will drive the scissors rod to deform. At this time, the scissors rod drives the second slider to move through the limit rod through the two second support rods. At this time, the distance between the first fixed plate and the second fixed plate changes. At this time, the width of the protective plate can be adjusted, which makes it convenient for users to install the protective plates, thereby greatly improving the installation efficiency when installing the protective plates, and can also adjust the volume of the protective plates, so as to facilitate users to carry and store the anti-slip plate, while also greatly improving the protection range of the protective plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a first-person perspective diagram of a building foundation pit safety protection frame;

[0015] Figure 2 This is an overall side sectional view of a building foundation pit safety protection frame;

[0016] Figure 3 for Figure 2 A schematic diagram of the structure at center A;

[0017] Figure 4 for Figure 2 A magnified schematic diagram of the structure at point B in the middle.

[0018] In the figure: 1. first fixing plate; 2. second fixing plate; 11. bracket; 12. positioning block; 13. support; 14. positioning groove; 15. rectangular hole; 16. through hole; 17. spring; 18. slide plate; 19. plug rod; 110. connecting rod; 111. handle; 112. plug hole; 21. first inner groove; 22. second inner groove; 23. bidirectional screw; 24. first slider; 25. first support rod; 26. scissor rod; 27. second support rod; 28. second slider; 29. ​​limit rod; 210. crank. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0020] Example 1

[0021] like Figure 1-Figure 3 The utility model provides a technical solution: a construction foundation pit safety protection frame, including a protective plate, the protective plate consists of a first fixing plate 1 and a second fixing plate 2, the outer side of the first fixing plate 1 is provided with a mounting mechanism for installing and connecting multiple protective plates, the first fixing plate 1 is provided with an adjustment mechanism for adjusting the width of the protective plate, the mounting mechanism includes a bracket 11 fixedly connected to the outer side of the first fixing plate 1 and two positioning blocks 12 fixedly connected to the outer side of the second fixing plate 2, the outer side of the bracket 11 is rotatably connected to a support 13, the support 13 is provided with two equally spaced positioning grooves 14 and a rectangular hole 15, a through hole 16 is also provided on the support 13, the inner side of the rectangular hole 15 is fixedly connected with a spring 17, the end of the spring 17 away from the rectangular hole 15 is fixedly connected to a slide plate 18, the bottom of the slide plate 18 is fixedly connected to a plug rod 19, the outer side of the slide plate 18 is fixedly connected to a connecting rod 110, the top of the connecting rod 110 is fixedly connected to a handle 111, the positioning block 12 is provided with a socket 112, the position of the two positioning grooves 14 The positions correspond to the two positioning blocks 12, and the sizes of the two positioning grooves 14 are adapted to the two positioning blocks 12. The two rectangular holes 15 are connected to the through hole 16. There are two springs 17, slides 18 and plugs 19. One end of the two springs 17 is fixedly connected to the inner top of the two rectangular holes 15, and the other ends of the two springs 17 are fixedly connected to the top of the two slides 18. The two slides 18 are respectively distributed on the inner sides of the two rectangular holes 15. The two plugs 19 are respectively fixedly connected to the bottom of the two slides 18. There are through-holes between the two rectangular holes 15 and the two positioning grooves 14. The two insertion rods 19 pass through the two through-holes and are distributed on the inner sides of the two positioning grooves 14. The two slides 18 are fixedly connected to the connecting rod 110, and the end of the connecting rod 110 away from the slide 18 passes through the through-hole 16 and is fixedly connected to the handle 111. Sockets 112 are provided on the two positioning blocks 12. The positions of the two sockets 112 correspond to the two insertion rods 19 and the two through-holes, and the sizes of the two sockets 112 are adapted to the two insertion rods 19.

[0022] Through the above technical solution, when in use, the user can pull the handle 111, and the movement of the handle 111 drives the connecting rod 110 to move, and the movement of the connecting rod 110 drives the two slides 18 to move in the rectangular hole 15. The movement of the slide 18 drives the insertion rod 19 to move and squeeze the spring 17. When the insertion rod 19 moves to a position where it does not block the positioning block 12, the user can insert the positioning block 12 on the other protective plate into the positioning groove 14, and then release the handle 111. At this time, the two slides 18 will return to their original positions under the influence of the spring 17. At this time, the insertion rod 19 at the bottom of the two slides 18 will pass through the two through holes and be inserted into the insertion holes 112 on the two positioning blocks 12. At this time, the connection between the two protective plates is completed, thereby realizing the installation between the two protective plates, thereby greatly improving practicality and installation efficiency.

[0023] Example 2

[0024] like Figure 1 、 Figure 2 and Figure 4 As shown, the utility model provides a technical solution: a building foundation pit safety protection frame, including a protective plate, the protective plate consists of a first fixed plate 1 and a second fixed plate 2, the outer side of the first fixed plate 1 is provided with a mounting mechanism for mounting and connecting multiple protective plates, the first fixed plate 1 is provided with an adjustment mechanism for adjusting the width of the protective plate, the adjustment mechanism includes a first inner groove 21 opened on the inner side of the first fixed plate 1 and a second inner groove 22 opened on the inner side of the second fixed plate 2, the inner side of the second inner groove 22 is rotatably connected with a bidirectional screw 23, the external thread of the bidirectional screw 23 is connected to two first sliders 24, the outer side of the first slider 24 is fixedly connected with a first support rod 25, the external side of the first support rod 25 is rotatably connected with a scissor rod 26, the end of the scissor rod 26 away from the first support rod 25 is rotatably connected with a second support rod 27, the external side of the second support rod 27 is fixedly connected with a second slider 28, the external side of the second slider 28 is slidably connected with a limiting rod 29, the bidirectional screw The top of the rod 23 is fixedly connected to a crank 210, one end of the bidirectional screw 23 is rotatably connected to the inner side of the second inner groove 22 through a bearing seat, and the other end of the bidirectional screw 23 passes through the second inner groove 22 and is fixedly connected to the crank 210, the limit rod 29 is fixedly connected to the inner side of the first inner groove 21, and there are two first sliders 24, second sliders 28, first support rods 25 and second support rods 27. The two first sliders 24 are threadedly connected to the bidirectional screw 23, and the two first sliders 24 are distributed on the inner side of the second inner groove 22, the two first support rods 25 are respectively fixedly connected to the two first sliders 24, the two second sliders 28 are slidably connected to the limit rod 29, and the two second sliders 28 are distributed on the inner side of the first inner groove 21, the two second support rods 27 are respectively fixedly connected to the two second sliders 28, one end of the scissor rod 26 is rotatably connected to the two first support rods 25, and the other end of the scissor rod 26 is rotatably connected to the two second support rods 27.

[0025] Through the above technical solution, when in use, the user can turn the crank 210, and the rotation of the crank 210 drives the bidirectional screw 23 to rotate, and the rotation of the bidirectional screw 23 drives the two first sliders 24 to move through the second inner groove 22, and the movement of the first slider 24 drives the first support rod 25 to move. The movement of the first support rod 25 will drive the scissor rod 26 to deform. At this time, the scissor rod 26 drives the second slider 28 to move through the limit rod 29 through the two second support rods 27. At this time, the distance between the first fixed plate 1 and the second fixed plate 2 changes, and the volume of the protective plate changes, thereby realizing the adjustment of the volume of the protective plate, thereby greatly improving the practicality of the protective plate.

[0026] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same.

Claims

1. A building foundation pit safety protection frame, including a protection plate, characterized in that: The protective plate is composed of a first fixing plate (1) and a second fixing plate (2); a mounting mechanism for mounting and connecting a plurality of protective plates is provided on the outer side of the first fixing plate (1); an adjusting mechanism for adjusting the width of the protective plate is provided on the first fixing plate (1); the mounting mechanism comprises a bracket (11) fixedly connected to the outer side of the first fixing plate (1) and two positioning blocks (12) fixedly connected to the outer side of the second fixing plate (2); a support (13) is rotatably connected to the outer side of the bracket (11); and two equal-sized blocks are provided on the support (13). The support (13) is provided with a positioning groove (14) and a rectangular hole (15) distributed at intervals, a through hole (16) is further provided on the support (13), a spring (17) is fixedly connected to the inner side of the rectangular hole (15), an end of the spring (17) away from the rectangular hole (15) is fixedly connected to a slide plate (18), a plug rod (19) is fixedly connected to the bottom of the slide plate (18), a connecting rod (110) is fixedly connected to the outer side of the slide plate (18), a handle (111) is fixedly connected to the top of the connecting rod (110), and a plug hole (112) is provided on the positioning block (12).

2. A construction foundation pit safety protection frame according to claim 1, characterized in that: The positions of the two positioning grooves (14) correspond to the two positioning blocks (12), and the sizes of the two positioning grooves (14) are adapted to the two positioning blocks (12). The two rectangular holes (15) are both connected to the through hole (16). There are two springs (17), slides (18) and insertion rods (19). One end of the two springs (17) is fixedly connected to the inner top of the two rectangular holes (15), and the other end of the two springs (17) is fixedly connected to the top of the two slides (18). The two slides (18) are respectively distributed on the inner sides of the two rectangular holes (15). The two insertion rods (19) are respectively fixedly connected to the inner sides of the two slides. At the bottom of the plate (18), perforations are provided between the two rectangular holes (15) and the two positioning grooves (14), and the two insertion rods (19) pass through the two perforations and are distributed on the inner sides of the two positioning grooves (14), respectively. The two slides (18) are fixedly connected to the connecting rod (110), and the end of the connecting rod (110) away from the slide (18) passes through the through hole (16) and is fixedly connected to the handle (111). The two positioning blocks (12) are provided with insertion holes (112), and the positions of the two insertion holes (112) correspond to the two insertion rods (19) and the two perforations, and the sizes of the two insertion holes (112) are adapted to the two insertion rods (19).

3. A construction foundation pit safety protection frame according to claim 1, characterized in that: The adjustment mechanism comprises a first inner groove (21) provided on the inner side of the first fixed plate (1) and a second inner groove (22) provided on the inner side of the second fixed plate (2); a bidirectional screw rod (23) is rotatably connected to the inner side of the second inner groove (22); the outer side of the bidirectional screw rod (23) is threadedly connected to two first sliders (24); the outer side of the first slider (24) is fixedly connected to a first support rod (25); the outer side of the first support rod (25) is rotatably connected to a scissor rod (26); the end of the scissor rod (26) away from the first support rod (25) is rotatably connected to a second support rod (27); the outer side of the second support rod (27) is fixedly connected to a second slider (28); the outer side of the second slider (28) is slidably connected to a limit rod (29); and the top of the bidirectional screw rod (23) is fixedly connected to a crank (210).

4. A construction foundation pit safety protection frame according to claim 3, characterized in that: One end of the bidirectional screw (23) is rotatably connected to the inner side of the second inner groove (22) through a bearing seat, and the other end of the bidirectional screw (23) passes through the second inner groove (22) and is fixedly connected to the crank (210), and the limiting rod (29) is fixedly connected to the inner side of the first inner groove (21).

5. A construction foundation pit safety protection frame according to claim 3, characterized in that: There are two of each of the first slider (24), the second slider (28), the first support rod (25) and the second support rod (27). The two first sliders (24) are threadedly connected to the bidirectional screw (23), and the two first sliders (24) are distributed on the inner side of the second inner groove (22). The two first support rods (25) are respectively fixedly connected to the two first sliders (24). The two second sliders (28) are slidably connected to the limit rod (29), and the two second sliders (28) are distributed on the inner side of the first inner groove (21). The two second support rods (27) are respectively fixedly connected to the two second sliders (28). One end of the scissor rod (26) is rotatably connected to the two first support rods (25), and the other end of the scissor rod (26) is rotatably connected to the two second support rods (27).

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