Pile casing for pile foundation construction

Abstract

The utility model discloses a pile casing for pile foundation construction, relates to the field of pile foundation construction, and aims to solve the problems that the upper end of the existing pile casing for pile foundation construction in the prior art is provided with a protective structure, a large-diameter round hole is left on the ground of a pile foundation after the pile casing is mounted, and the pile casing is easy to fall off when people do not pay attention to the pile casing. Connecting columns are fixedly connected to the middles of the two sides and the middles of the front end and the rear end of the upper end face of the pile foundation casing correspondingly, first supporting columns are connected to the middles of the front end and the rear end of the upper end face of the pile foundation casing correspondingly, and first fixing connecting pieces are fixedly connected to the upper ends and the lower ends of the middles of the end faces of the two sides of the first supporting columns correspondingly. Second supporting columns are connected to the middles of the two sides of the upper end face of the pile foundation pile casing, the upper ends and the lower ends of the middles of the adjacent second supporting columns and the first supporting columns are connected through connecting rod assemblies, and each connecting rod assembly comprises a telescopic cylinder and a telescopic rod.

Description

Technical Field

[0001] The utility model relates to the field of pile foundation construction, in particular to a casing for pile foundation construction. Background Art

[0002] Pile foundation construction refers to the construction process of the building foundation. The pile foundation consists of piles and pile caps. Pile foundation construction methods include: hammering, vibration, pressure and water jetting. It is used for bored pile construction. It is made of steel and cylindrical. It is generally a steel casing with a wall thickness of 10mm. It is generally used for construction prevention and fixing. The casing connection requires no protrusions in the casing, and should be resistant to tension and pressure and leak-proof.

[0003] The upper ends of existing pile foundation construction casings are all designed with protective structures. After the casing is installed, a large diameter circular hole will be left on the pile foundation surface, which is prone to falling hazards when personnel are not paying attention. Therefore, the market urgently needs to develop a pile foundation construction casing to help people solve the existing problems. Utility Model Content

[0004] The utility model aims to provide a casing for pile foundation construction, so as to solve the problem in the above-mentioned background technology that the upper ends of the existing casings for pile foundation construction are all designed with protective structures, and after the casing is installed, a large-diameter circular hole will be left on the pile foundation surface, which is easy to cause a risk of falling when personnel are not paying attention.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a casing for pile foundation construction, comprising a pile foundation casing, wherein the middle parts of both sides of the upper end surface of the pile foundation casing and the middle parts of the front and rear ends are fixedly connected to connecting columns, and the middle parts of the front and rear ends of the upper end surface of the pile foundation casing are connected to the first support column, and the middle parts of the upper and lower ends of the end surfaces of the two sides of the first support column are fixedly connected to the first fixed connecting piece, and the first fixed connecting piece is provided with a first slot, and the middle parts of both sides of the upper end surface of the pile foundation casing are connected to the second support column, and the second support column is provided with a second slot, and the middle parts and upper and lower ends between each adjacent second support column and the first support column are connected by a connecting rod assembly, and the connecting rod assembly comprises a telescopic cylinder and a telescopic rod, and one side end surface of the telescopic cylinder is fixedly connected to the first rotating connecting piece, and the telescopic groove is provided inside the telescopic cylinder, and the one side end surface of the telescopic rod is fixedly connected to the second rotating connecting piece, and the telescopic limit groove is provided inside the telescopic rod.

[0006] Preferably, rectangular limiting grooves are provided on the lower end surfaces of the first supporting column and the second supporting column.

[0007] Preferably, the rectangular limiting grooves on the lower end surfaces of the two first supporting columns and the two second supporting columns are respectively inserted into the four connecting columns on the upper end surface of the pile foundation casing and are fixedly connected by bolts.

[0008] Preferably, a limiting rod is fixedly arranged in the middle of the telescopic slot, and one end of the telescopic rod is inserted into the telescopic slot of the telescopic cylinder.

[0009] Preferably, after one end of the telescopic rod is inserted into the telescopic groove, one end of the limiting rod is inserted into the telescopic limiting groove inside the telescopic rod and fixedly connected with the limiting disc.

[0010] Preferably, the first rotating connector on one side of the telescopic cylinder is inserted into the first slot on the first fixed connector and is limitedly connected by a first L-shaped pin, and the first rotating connector rotates in the first slot through the first L-shaped pin.

[0011] Preferably, the second rotating connector on one side of the telescopic rod is inserted into the second slot on the second fixed connector and is limitedly connected by a second L-shaped pin, and the second rotating connector rotates in the second slot through the second L-shaped pin.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, through the arrangement of the first support column, the second support column and the connecting rod assembly, the middle parts of the front and rear ends of the upper end face of the pile foundation casing are connected with the first support column, the middle parts of the two sides of the upper end face of the pile foundation casing are connected with the second support column, and the upper and lower ends of the middle parts between each adjacent second support column and the first support column are connected by the connecting rod assembly. When the pile foundation casing is installed, the rectangular limiting grooves on the lower end faces of the two first support columns and the two second support columns are respectively inserted into the four connecting columns on the upper end face of the pile foundation casing and fixedly connected by bolts, and the two first support columns and the two second support columns are respectively fixed to the upper ends of the pile foundation casing by bolts, and two connecting rod assemblies are connected between the adjacent first support columns and the second support columns. After the entire enclosure structure is installed, stability is formed to enclose the pile foundation casing.

[0014] 2. In the utility model, through the setting of the limiting disc, after one end of the telescopic rod is inserted into the telescopic groove, the other end of the limiting rod is inserted into the telescopic limiting groove inside the telescopic rod and fixedly connected with the limiting disc. The limiting disc is inserted into the telescopic limiting groove to prevent the telescopic rod from being stretched too much and sliding out of the telescopic groove, causing the connecting rod assembly structure to separate, resulting in the failure of the protective function of the connecting rod assembly during use.

[0015] 3. In the utility model, through the setting of the connecting rod assembly, the connecting rod assembly includes a telescopic tube and a telescopic rod, a limit rod is fixedly arranged in the middle of the telescopic groove, and one end of the telescopic rod is inserted into the telescopic groove of the telescopic tube, so that the connecting rod assembly can be extended on the telescopic tube through the telescopic rod to adjust the length, which is convenient for enclosing pile foundation casings of different calibers. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1This is a front view of a casing for pile foundation construction of the utility model;

[0017] Figure 2 This is a main cross-sectional view of the first support column of the utility model;

[0018] Figure 3 It is a top sectional view of the connecting rod assembly of the utility model;

[0019] Figure 4 It is an enlarged view of the detail A of the utility model;

[0020] Figure 5 It is an enlarged view of detail B of the present utility model.

[0021] In the figure: 1. pile foundation casing; 101. connecting column; 102. bolt; 2. first supporting column; 201. first fixed connecting member; 202. first slot; 203. first L-shaped latch; 204. rectangular limiting slot; 3. second supporting column; 301. second fixed connecting member; 302. second slot; 303. second L-shaped latch; 4. connecting rod assembly; 5. telescopic cylinder; 501. first rotating connecting member; 502. telescopic slot; 503. limiting rod; 504. limiting disc; 6. telescopic rod; 601. second rotating connecting member; 602. telescopic limiting slot. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] See also Figure 1-5 The utility model provides an embodiment: a casing for pile foundation construction, comprising a pile foundation casing 1, wherein connecting columns 101 are fixedly connected to the middle of both sides of the upper end surface of the pile foundation casing 1 and the middle of both front and rear ends, and the middle of both front and rear ends of the upper end surface of the pile foundation casing 1 is connected to a first support column 2, and the middle of the upper and lower ends of the end surfaces of both sides of the first support column 2 are fixedly connected to the first fixed connection piece 201, and the first fixed connection piece 201 is provided with a first slot 202, and the middle of both sides of the upper end surface of the pile foundation casing 1 is connected to the second support column 3, and the second support column 3 is provided with a second slot 302, and the middle and upper ends between each adjacent second support column 3 and the first support column 2 are connected by a connecting rod assembly 4, and the connecting rod assembly 4 includes a telescopic cylinder 5 and a telescopic rod 6, and the end surface of one side of the telescopic cylinder 5 is fixedly connected to the first rotating connection piece 501, and the telescopic groove 502 is provided inside the telescopic cylinder 5, and the end surface of one side of the telescopic rod 6 is fixedly connected to the second rotating connection piece 601, and the telescopic limit groove 602 is provided inside the telescopic rod 6.

[0024] Furthermore, rectangular limiting grooves 204 are provided on the lower end surfaces of the first supporting column 2 and the second supporting column 3 .

[0025] Furthermore, the rectangular limiting grooves 204 on the lower end surfaces of the two first support columns 2 and the two second support columns 3 are respectively inserted into the four connecting columns 101 on the upper end surface of the pile foundation casing 1 and fixedly connected by bolts 102, and the two first support columns 2 and the two second support columns 3 are respectively fixed to the upper end of the pile foundation casing 1 by the bolts 102.

[0026] Furthermore, a limit rod 503 is fixedly arranged in the middle of the telescopic groove 502, and one end of the telescopic rod 6 is inserted into the telescopic groove 502 of the telescopic tube 5, so that the connecting rod assembly 4 can be extended on the telescopic tube 5 through the telescopic rod 6 to adjust the length, which is convenient for enclosing pile foundation casings 1 of different calibers.

[0027] Furthermore, after one end of the telescopic rod 6 is inserted into the telescopic groove 502, one end of the limit rod 503 is inserted into the telescopic limit groove 602 inside the telescopic rod 6 and fixedly connected with the limit disc 504. The limit disc 504 is inserted into the telescopic limit groove 602 to prevent the telescopic rod 6 from stretching too much and sliding out of the telescopic groove 502, causing the structure of the connecting rod assembly 4 to separate, resulting in the failure of the protective function of the connecting rod assembly 4 when in use.

[0028] Furthermore, the first rotating connector 501 on one side of the telescopic cylinder 5 is inserted into the first slot 202 on the first fixed connector 201 and is limitedly connected by the first L-shaped pin 203. The first rotating connector 501 rotates through the first L-shaped pin 203 inside the first slot 202, so that one side of the connecting rod assembly 4 can be rotated after being connected to the first support column 2, which is convenient for adjusting the angle when enclosing pile foundation casings 1 of different diameters and is easy to install.

[0029] Furthermore, a second rotating connector 601 on one side of the telescopic rod 6 is inserted into the second slot 302 on the second fixed connector 301 and is limitedly connected by the second L-shaped pin 303. The second rotating connector 601 rotates through the second L-shaped pin 303 in the second slot 302. The other side of the connecting rod assembly 4 can be rotated after being connected to the second support column 3, which is convenient for adjusting the angle when enclosing pile foundation casings 1 of different diameters and is easy to install.

[0030] Working principle: During use, after the installation of the pile foundation casing 1 is completed, the rectangular limiting grooves 204 on the lower end surfaces of the two first support columns 2 and the two second support columns 3 are respectively inserted into the four connecting columns 101 on the upper end surface of the pile foundation casing 1 and fixedly connected by bolts 102. The two first support columns 2 and the two second support columns 3 are respectively fixed to the upper end of the pile foundation casing 1 by bolts 102. Two connecting rod assemblies 4 are connected between the adjacent first support columns 2 and the second support columns 3. The connecting rod assembly 4 includes a telescopic cylinder 5 and a telescopic rod 6. A limiting rod 503 is fixedly arranged in the middle of the telescopic groove 502. One end of the telescopic rod 6 is inserted into the telescopic groove 502 of the telescopic cylinder 5, so that the connecting rod assembly 4 can be extended on the telescopic cylinder 5 by the telescopic rod 6 to adjust the length, which is convenient for enclosing pile foundation casings 1 with different calibers. The first rotating connector 501 on one side of the telescopic cylinder 5 is inserted into the first fixed The first slot 202 on the connecting member 201 is connected by the first L-shaped pin 203, and the first rotating connecting member 501 is rotated by the first L-shaped pin 203 inside the first slot 202, so that one side of the connecting rod assembly 4 can be rotated after being connected to the first support column 2, which is convenient for adjusting the angle when enclosing pile foundation casings 1 with different calibers, and is convenient for installation. The second rotating connecting member 601 on one side of the telescopic rod 6 is inserted into the second slot 302 on the second fixed connecting member 301 and is connected by the second L-shaped pin 303. The second rotating connecting member 601 is rotated by the second L-shaped pin 303 inside the second slot 302, and the other side of the connecting rod assembly 4 is connected to the second support column 3 and can be rotated, which is convenient for adjusting the angle when enclosing pile foundation casings 1 with different calibers, and is convenient for installation. After the entire enclosure structure is installed, stability is formed to enclose the pile foundation casing 1.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A casing for pile foundation construction, comprising a pile foundation casing (1), characterized in that: The middle parts of both sides of the upper end surface of the pile foundation casing (1) and the middle parts of both front and rear ends are fixedly connected with connecting columns (101); the middle parts of both front and rear ends of the upper end surface of the pile foundation casing (1) are connected with first supporting columns (2); the middle parts of both sides of the upper and lower ends of the first supporting columns (2) are fixedly connected with first fixed connecting members (201); the first fixed connecting members (201) are provided with first slots (202); the middle parts of both sides of the upper end surface of the pile foundation casing (1) are connected with second supporting columns (3); the second supporting columns (3) are provided with second slots (203); The upper and lower ends of the middle part between each adjacent second support column (3) and the first support column (2) are connected by a connecting rod assembly (4), and the connecting rod assembly (4) comprises a telescopic cylinder (5) and a telescopic rod (6), one end surface of the telescopic cylinder (5) is fixedly connected with a first rotating connecting piece (501), and a telescopic groove (502) is arranged inside the telescopic cylinder (5), one end surface of the telescopic rod (6) is fixedly connected with a second rotating connecting piece (601), and a telescopic limit groove (602) is arranged inside the telescopic rod (6).

2. A casing for pile foundation construction according to claim 1, characterized in that: The lower end surfaces of the first support column (2) and the second support column (3) are both provided with rectangular limiting grooves (204).

3. The casing for pile foundation construction according to claim 1, characterized in that: The rectangular limiting grooves (204) on the lower end surfaces of the two first supporting columns (2) and the two second supporting columns (3) are respectively inserted into the four connecting columns (101) on the upper end surface of the pile foundation casing (1) and fixedly connected by bolts (102).

4. The casing for pile foundation construction according to claim 1, characterized in that: A limiting rod (503) is fixedly arranged in the middle of the telescopic groove (502), and one end of the telescopic rod (6) is inserted into the telescopic groove (502) of the telescopic cylinder (5).

5. A casing for pile foundation construction according to claim 4, characterized in that: After one end of the telescopic rod (6) is inserted into the telescopic groove (502), one end of the limiting rod (503) is inserted into the telescopic limiting groove (602) inside the telescopic rod (6) and fixedly connected to the limiting disc (504).

6. The casing for pile foundation construction according to claim 1, characterized in that: A first rotating connection member (501) on one side of the telescopic cylinder (5) is inserted into a first slot (202) on a first fixed connection member (201) and is position-limitedly connected via a first L-shaped latch (203); the first rotating connection member (501) rotates within the first slot (202) via the first L-shaped latch (203).

7. The casing for pile foundation construction according to claim 1, characterized in that: The second rotating connecting member (601) on one side of the telescopic rod (6) is inserted into the second slot (302) on the second fixed connecting member (301) and is limitedly connected via a second L-shaped latch (303); the second rotating connecting member (601) rotates within the second slot (302) via the second L-shaped latch (303).

Images