Positioning protection device for pile foundation casing

Abstract

A positioning protection device for a pile foundation casing comprises a protection net piece, the protection net piece is horizontally arranged on the upper side of the pile foundation casing, the center of the protection net piece is connected with a measuring platform used for measuring and positioning, and the protection net piece is connected with the upper side of the pile foundation casing through a plurality of buckles. The multiple buckles are arranged in the circumferential direction of the pile foundation protection cylinder, and the periphery of the protection net piece is connected with the ground through a fixing assembly. According to the design, the protective mesh is arranged on the upper side of the pile foundation casing, so that people or other objects can be prevented from accidentally falling; by arranging the buckles, the protective net piece and the pile foundation protection cylinder are connected and fixed, the protective net piece is connected with the ground through the fixing assembly, the pile foundation protection cylinder can be prevented from falling in a pile foundation, meanwhile, after the protective net piece is fixed, a measuring instrument can be placed on the measuring platform, the measuring process is stable, and the positioning accuracy is high.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a positioning and protection device for a pile foundation casing. Background Art

[0002] With the development of construction engineering, more and more projects need to adopt pile foundation construction to strengthen the bearing capacity and stability of the foundation, and the installation, positioning and protection of casing have become an indispensable part of pile foundation construction. In the installation and positioning of casing, it is common to carry out positioning measurement by laying simple supports. Although it meets the measurement requirements to a certain extent, the depth of pile foundation drilling is deep, which cannot guarantee the safety of the measurement personnel themselves, and there are certain safety hazards. In addition, the simple device used for measurement cannot be fixed and is very easy to move. It is not easy to place points and position during the measurement process, and the accuracy and speed of measurement construction cannot be guaranteed, which wastes resources to a certain extent. In the process of pile foundation construction, due to the rapidity of pile foundation construction, extremely simple protection measures are generally adopted, which cannot play the role and purpose of real protection. In particular, due to various reasons, when the pile foundation construction is stopped for a long time, the safety risk is extremely high. If safety fences and various complex protection measures are adopted, it is inconvenient to construct and it takes more time and resources. Summary of the invention

[0003] The purpose of the utility model is to overcome the defects and problems of low casing positioning accuracy and poor protection effect in the prior art, and to provide a positioning and protection device for pile foundation casing with high positioning accuracy and good protection effect.

[0004] To achieve the above purpose, the technical solution of the utility model is: a positioning and protection device for a pile foundation casing, comprising a protective mesh, which is horizontally arranged on the upper side of the pile foundation casing, and a measuring platform for measuring and positioning is connected to the center of the protective mesh, and the protective mesh is connected to the upper side of the pile foundation casing through a plurality of buckles, and the plurality of buckles are arranged along the circumference of the pile foundation casing, and the outer periphery of the protective mesh is connected to the ground through a fixing component.

[0005] The protective mesh includes a stressed steel frame and a surface protective steel mesh, the stressed steel frame includes a plurality of connecting steel bars, one ends of the plurality of connecting steel bars are connected to each other, and the plurality of connecting steel bars are combined to form a cross-shaped structure, the surface protective steel mesh includes a plurality of coaxially arranged annular steel bars, the plurality of annular steel bars are all connected to the lower sides of the plurality of connecting steel bars, the measuring platform is connected to the inner side wall of the annular steel bar located in the innermost circle, and the buckle is arranged at the intersection of the connecting steel bar and the annular steel bar.

[0006] The buckle includes a top plate and four connecting columns, the top plate is located on the upper side of the intersection of the connecting steel bars and the annular steel bars, the four connecting columns are vertically connected to the lower side of the top plate, the intersection of the connecting steel bars and the annular steel bars is located between the four connecting columns, two of the connecting columns abut against the inner wall of the pile foundation casing, and the other two connecting columns abut against the outer wall of the pile foundation casing.

[0007] A first limiting bolt is threadedly connected between two of the connecting columns, and a second limiting bolt is threadedly connected between the other two connecting columns. The bottom of the first limiting bolt abuts against the inner wall of the pile foundation casing, and the bottom of the second limiting bolt abuts against the outer wall of the pile foundation casing.

[0008] Chamfers are arranged at four vertices of the top plate.

[0009] The fixing assembly includes a plurality of connecting rods, a mounting plate, and a fixing rod, one end of the plurality of connecting rods is respectively connected to the other end of the connecting steel bars, the mounting plate is connected to the other end of the connecting rods, the mounting plate is arranged horizontally, the lower end of the fixing rod passes through the mounting plate and is connected to the ground, and a limiting assembly for limiting the mounting plate is connected between the fixing rod and the mounting plate.

[0010] The limiting assembly includes two nuts, both of which are threadedly connected to the fixing rod, and the two nuts are respectively abutted against the upper and lower sides of the mounting plate.

[0011] The other end of the connecting steel bar is provided with an external thread, and one end of the connecting rod is threadedly connected to the other end of the connecting steel bar.

[0012] The number of the connecting rods is four, and the four connecting rods are arranged along the front, rear, left and right directions of the pile foundation casing.

[0013] The other end of the connecting steel bar which is not connected to the connecting rod is sleeved with a rubber sleeve.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the positioning and protection device for pile foundation casing of the utility model, a protective mesh is arranged on the upper side of the pile foundation casing to prevent people or other objects from falling accidentally; the protective mesh is connected and fixed to the pile foundation casing by setting a buckle, and the protective mesh is connected to the ground through a fixing component to prevent the pile foundation casing from falling in the pile foundation. At the same time, after the protective mesh is fixed, a measuring instrument can be placed on the measuring platform, the measuring process is stable, and the positioning accuracy is high. Therefore, the utility model has high positioning accuracy and good protection effect.

[0016] 2. In the positioning and protection device for pile foundation casing of the utility model, multiple connecting steel bars are used as the skeleton, and multiple annular steel bars are combined to form a protection mesh, which has a stable structure. When the buckle is connected to the pile foundation casing, the buckle is just inserted at the intersection of the connecting steel bars and the annular steel bars, thereby realizing the horizontal direction limit of the pile foundation casing; the pile foundation casing is locked by the first limiting bolt and the second limiting bolt to realize the vertical direction limit of the pile foundation casing, so that the subsequent measurement and positioning work is more stable. Therefore, the utility model has high reliability and stable structure.

[0017] 3. In the positioning and protection device for pile foundation casing of the utility model, the connecting rod is installed to the end of the connecting steel bar, so that the mounting plate can be inserted into the fixing rod, and the height of the mounting plate and the connecting steel bar is adjusted by adjusting the height of the two nuts, and the front, back, left and right heights of the protective mesh are adjusted by four connecting rods, so as to achieve the leveling of the protective mesh, which is convenient for the subsequent measurement and positioning work; by setting the rubber sleeve, it can avoid contact with the end of the connecting steel bar, and the safety is higher. Therefore, the utility model is easy to use and has high safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model in use state.

[0019] Figure 2 It is a structural schematic diagram of the utility model.

[0020] Figure 3 It is a structural schematic diagram of the protective mesh in the utility model.

[0021] Figure 4 It is a structural schematic diagram of the buckle in the utility model.

[0022] Figure 5 It is a structural schematic diagram of the fixing component in the utility model.

[0023] In the figure: pile foundation casing 1, protective mesh 2, stressed steel frame 21, connecting steel bars 211, surface protective steel mesh 22, annular steel bars 221, measuring platform 3, buckle 4, top plate 41, connecting column 42, first limiting bolt 43, second limiting bolt 44, fixing assembly 5, connecting rod 51, mounting plate 52, fixing rod 53, limiting assembly 6, nut 61, rubber sleeve 7. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0025] Embodiment 1:

[0026] See also Figures 1 to 3A positioning and protection device for a pile foundation casing comprises a protection mesh 2, which is horizontally arranged on the upper side of a pile foundation casing 1, and a measuring platform 3 for measuring and positioning is connected to the center of the protection mesh 2. The protection mesh 2 is connected to the upper side of the pile foundation casing 1 through a plurality of buckles 4, and the plurality of buckles 4 are arranged along the circumference of the pile foundation casing 1, and the outer periphery of the protection mesh 2 is connected to the ground through a fixing component 5. The protective mesh 2 includes a stressed steel frame 21 and a surface protective steel mesh 22. The stressed steel frame 21 includes a plurality of connecting steel bars 211. One ends of the plurality of connecting steel bars 211 are interconnected. The plurality of connecting steel bars 211 are combined to form a cross-shaped structure. The surface protective steel mesh 22 includes a plurality of coaxially arranged annular steel bars 221. The plurality of annular steel bars 221 are all connected to the lower side of the plurality of connecting steel bars 211. The measuring platform 3 is connected to the inner side wall of the annular steel bar 221 located in the innermost circle. The buckle 4 is arranged at the intersection of the connecting steel bar 211 and the annular steel bar 221. The other end of the connecting steel bar 211 that is not connected to the connecting rod 51 is provided with a rubber sleeve 7.

[0027] In this embodiment, each intersection position of the connecting steel bar 211 and the annular steel bar 221 is firmly connected by welding. The measuring platform 3 is a circle with a diameter of 20 cm. When in use, the protective mesh 2 is first laid flat and placed on the upper side of the pile foundation casing 1, and then the protective mesh 2 is fixed by the fixing component 5. At the same time, the pile foundation casing 1 and the protective mesh 2 are connected and fixed by the buckle 4. After fixing, the rubber sleeve 7 is installed on the end of the connecting steel bar 211 exposed outside.

[0028] Embodiment 2:

[0029] The basic content is the same as that of Example 1, except that:

[0030] See also Figure 4 The buckle 4 includes a top plate 41 and four connecting columns 42. The top plate 41 is located on the upper side of the intersection of the connecting steel bar 211 and the annular steel bar 221. The four connecting columns 42 are vertically connected to the lower side of the top plate 41. The intersection of the connecting steel bar 211 and the annular steel bar 221 is located between the four connecting columns 42. Two of the connecting columns 42 abut against the inner wall of the pile foundation casing 1, and the other two of the connecting columns 42 abut against the outer wall of the pile foundation casing 1. A first limiting bolt 43 is threadedly connected between two of the connecting columns 42, and a second limiting bolt 44 is threadedly connected between the other two of the connecting columns 42. The bottom of the first limiting bolt 43 abuts against the inner wall of the pile foundation casing 1, and the bottom of the second limiting bolt 44 abuts against the outer wall of the pile foundation casing 1. Chamfers are provided at the four vertices of the top plate 41.

[0031] In this embodiment, after the protective mesh 2 is fixed, the buckle 4 is inserted from top to bottom into the connecting steel bar 211 and the annular steel bar 221. After multiple buckles 4 are inserted along the circumferential direction, the pile foundation casing 1 is connected and fixed to the buckle 4 by tightening the first limiting bolt 43 and the second limiting bolt 44.

[0032] Embodiment 3:

[0033] The basic content is the same as that of Example 1, except that:

[0034] See also Figure 5 The fixing assembly 5 includes four connecting rods 51, a mounting plate 52 and a fixing rod 53. One end of the four connecting rods 51 is respectively connected to the other end of the connecting steel bar 211. The four connecting rods 51 are arranged along the front, rear, left and right directions of the pile foundation casing 1. The four mounting plates 52 are respectively connected to the other ends of the four connecting rods 51. The mounting plate 52 is arranged horizontally. The lower end of the fixing rod 53 passes through the mounting plate 52 and is connected to the ground. A limiting assembly 6 for limiting the mounting plate 52 is connected between the fixing rod 53 and the mounting plate 52. The limiting assembly 6 includes two nuts 61. Both nuts 61 are threadedly connected to the fixing rod 53. The two nuts 61 are respectively abutted against the upper and lower sides of the mounting plate 52. The other end of the connecting steel bar 211 is provided with an external thread. One end of the connecting rod 51 is threadedly connected to the other end of the connecting steel bar 211.

[0035] In this embodiment, firstly, four fixing rods 52 are installed and fixed on the ground according to the sizes of the protective mesh 2 and the connecting rods 51, and then the ends of the connecting steel bars 211 in the front, back, left and right directions of the protective mesh 2 are screwed into the connecting rods 51. After the connection and fixation, the mounting plate 52 is horizontally installed, and then the protective mesh 2 is placed on the upper side of the pile foundation casing 1, so that the mounting plate 52 passes through the fixing rods 52, and then the protective mesh 2 is leveled by adjusting the position of the nut 61 on the fixing rod 52.

Claims

1. A positioning and protection device for a pile foundation casing, characterized in that: The invention comprises a protective mesh (2), wherein the protective mesh (2) is horizontally arranged on the upper side of a pile foundation casing (1), a measuring platform (3) for measuring and positioning is connected to the center of the protective mesh (2), the protective mesh (2) is connected to the upper side of the pile foundation casing (1) via a plurality of buckles (4), the plurality of buckles (4) are arranged along the circumference of the pile foundation casing (1), and the outer periphery of the protective mesh (2) is connected to the ground via a fixing assembly (5).

2. A positioning and protection device for pile foundation casing according to claim 1, characterized in that: The protective mesh (2) comprises a stress-bearing steel bar skeleton (21) and a surface layer protective steel bar mesh (22); the stress-bearing steel bar skeleton (21) comprises a plurality of connecting steel bars (211); one ends of the plurality of connecting steel bars (211) are mutually connected; the plurality of connecting steel bars (211) are combined to form a cross-shaped structure; the surface layer protective steel bar mesh (22) comprises a plurality of coaxially arranged annular steel bars (221); the plurality of annular steel bars (221) are all connected to the lower sides of the plurality of connecting steel bars (211); the measuring platform (3) is connected to the inner side wall of the annular steel bar (221) located in the innermost circle; and the buckle (4) is arranged at the intersection of the connecting steel bar (211) and the annular steel bar (221).

3. A positioning and protection device for pile foundation casing according to claim 2, characterized in that: The buckle (4) comprises a top plate (41) and four connecting columns (42), wherein the top plate (41) is located on the upper side of the intersection of the connecting steel bar (211) and the annular steel bar (221), and the four connecting columns (42) are vertically connected to the lower side of the top plate (41), and the intersection of the connecting steel bar (211) and the annular steel bar (221) is located between the four connecting columns (42), wherein two of the connecting columns (42) abut against the inner side wall of the pile foundation casing (1), and the other two of the connecting columns (42) abut against the outer side wall of the pile foundation casing (1).

4. A positioning and protection device for pile foundation casing according to claim 3, characterized in that: A first limiting bolt (43) is threadedly connected between two of the connecting columns (42), and a second limiting bolt (44) is threadedly connected between the other two connecting columns (42). The bottom of the first limiting bolt (43) abuts against the inner wall of the pile foundation casing (1), and the bottom of the second limiting bolt (44) abuts against the outer wall of the pile foundation casing (1).

5. A positioning and protection device for pile foundation casing according to claim 3, characterized in that: Chamfers are arranged at four vertices of the top plate (41).

6. A positioning and protection device for pile foundation casing according to claim 2, characterized in that: The fixing assembly (5) comprises a plurality of connecting rods (51), a mounting plate (52) and a fixing rod (53), one end of the plurality of connecting rods (51) is respectively connected to the other end of the connecting steel bar (211), the plurality of mounting plates (52) are respectively connected to the other end of the plurality of connecting rods (51), the mounting plate (52) is arranged horizontally, the lower end of the fixing rod (53) passes through the mounting plate (52) and is connected to the ground, and a limiting assembly (6) for limiting the mounting plate (52) is connected between the fixing rod (53) and the mounting plate (52).

7. A positioning and protection device for pile foundation casing according to claim 6, characterized in that: The limiting assembly (6) comprises two nuts (61), both of which are threadedly connected to the fixing rod (53), and the two nuts (61) are respectively in contact with the upper and lower sides of the mounting plate (52).

8. A positioning and protection device for pile foundation casing according to claim 6, characterized in that: The other end of the connecting steel bar (211) is provided with an external thread, and one end of the connecting rod (51) is threadedly connected to the other end of the connecting steel bar (211).

9. A positioning and protection device for pile foundation casing according to claim 6, characterized in that: The number of the connecting rods (51) is four, and the four connecting rods (51) are arranged along the front, rear, left and right directions of the pile foundation casing (1).

10. A positioning and protection device for pile foundation casing according to claim 9, characterized in that: The other end of the connecting steel bar (211) not connected to the connecting rod (51) is sleeved with a rubber sleeve (7).

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