Pile foundation positioning device

Abstract

The utility model relates to the technical field of pile foundations, in particular to a pile foundation positioning device which comprises a left pile casing and a right pile casing, the outer wall of the left pile casing is fixedly connected with a handle and a lower semicircular ring, the inner wall of the semicircular ring is rotatably connected with a supporting leg, and the inner wall of the left pile casing is connected with a positioning mechanism. A left pile casing and a right pile casing are inserted into round blocks on a fixing ring, supporting legs on lower semicircular rings on the left pile casing and the right pile casing make contact with the ground, stability between the left pile casing and the ground and between the right pile casing and the ground is guaranteed, and meanwhile a second screw at the lower end of a positioning cylinder is also inserted into the left pile casing and the right pile casing; and the position of the pile foundation is confirmed according to the placement positions of the positioning barrels at the upper ends of the left pile casing and the right pile casing, the position of the precast concrete pile is confirmed at a time, and the precast concrete pile is more convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field technical field of pile foundation, specifically is a pile foundation positioning device. BACKGROUND

[0002] In some special geological environment conditions, such as soft soil, clay, silt, sandy soil and fully weathered rock mass, considering the pile foundation construction cost, construction time schedule and other requirements of the foundation, at this time, the prefabricated concrete pile foundation is a relatively ideal construction scheme. The prefabricated concrete pile is widely used in construction, railway, highway, bridge, port and wharf engineering due to its high bearing capacity, low cost, rapid construction and reliable quality assurance.

[0003] For example, a pile foundation positioning device with the authorization announcement number "CN222120235U", although it solves the problem that the existing pile foundation positioning device cannot directly observe and judge whether the prefabricated concrete pile is inclined, and frequent measurement and inspection by site personnel are required, the above-mentioned prefabricated concrete pile is positioned and guided by the positioning device. The movable limiting cylinder, the pile casing bearing platform and the concrete pile casing are arranged in series, which is used for the prefabricated concrete pile to pass through, and when the prefabricated concrete pile body is inclined during driving, considering the existing pile foundation positioning device, the elastic element and the high-strength deformation spring are used to directly judge that the prefabricated concrete pile deviates from the center of the movable limiting cylinder, and the center position of the prefabricated concrete pile cannot be confirmed at one time, which is not convenient to use. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problem that the existing pile foundation positioning device cannot confirm the center position of the prefabricated concrete pile at one time and is not convenient to use, and provides a pile foundation positioning device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a pile foundation positioning device, which comprises a left pile casing and a right pile casing, the outer wall of the left pile casing is fixedly connected with a handle, the outer wall of the left pile casing is fixedly connected with a lower semicircular ring, the inner wall of the semicircular ring is rotatably connected with a supporting leg, and the inner wall of the left pile casing is connected with a fixing mechanism.

[0006] Preferably, the fixing mechanism comprises a circular block, the upper end of the circular block is inserted into the left pile casing, the lower end of the circular block is fixedly connected with a fixing ring, and the inner wall of the fixing ring is threadedly connected with a ground cone.

[0007] Preferably, the inner wall of the fixing ring is movably connected with a first screw rod, the outer wall of the first screw rod is threadedly connected with a first screw block, and the upper end of the left pile casing is connected with a positioning mechanism.

[0008] Preferably, the positioning mechanism comprises a second screw rod, the outer wall of the second screw rod is movably connected with the left casing, the upper end of the screw rod is fixedly connected with the positioning cylinder, and the outer wall of the screw rod is threadedly connected with a second screw block.

[0009] Preferably, the upper end of the second screw block abuts against the left casing.

[0010] Preferably, the upper end of the positioning cylinder is fixedly connected with the lifting lug.

[0011] The pile foundation positioning device has the beneficial effects that: the left casing and the right casing are inserted into the round block on the fixing ring, the supporting legs on the lower semicircular ring on the left casing and the right casing contact the ground, the stability between the left casing and the right casing and the ground is ensured, meanwhile, the second screw rod at the lower end of the positioning cylinder is also inserted into the left casing and the right casing, so that the left casing and the right casing are spliced and fixed, the position of the pile foundation is confirmed according to the position of the positioning cylinder at the upper end of the left casing and the right casing, the position of the prefabricated concrete pile is confirmed at one time, and the device is more convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is Figure 1 It is a central front view sectional structure schematic view;

[0014] Figure 3 It is Figure 1 It is an enlarged structure schematic view of the positioning mechanism;

[0015] Figure 4 It is Figure 2 It is an enlarged structure schematic view of A in the figure;

[0016] Figure 5 It is Figure 2 It is an enlarged structure schematic view of B in the figure;

[0017] Figure 6 It is Figure 1 It is an enlarged structure schematic view of the positioning cylinder.

[0018] In the figure: 1, left casing, 2, right casing, 3, handle, 4, lower semicircular ring, 5, supporting leg, 6, fixing mechanism, 601, round block, 602, fixing ring, 603, ground cone, 7, first screw rod, 8, first screw block, 9, positioning mechanism, 901, second screw rod, 902, positioning cylinder, 903, second screw block, 10, lifting lug. DETAILED DESCRIPTION

[0019] The utility model will be further described in connection with the drawings:

[0020] Example 1:

[0021] Please refer to Figures 1-6 : In this embodiment, a pile foundation positioning device includes a left casing 1 and a right casing 2, the outer wall of the left casing 1 is fixedly connected with a handle 3, the outer wall of the left casing 1 is fixedly connected with a lower semicircular ring 4, the inner wall of the semicircular ring 4 is rotationally connected with a supporting leg 5, and the inner wall of the left casing 1 is connected with a positioning mechanism 6.

[0022] The fixing mechanism 6 includes a circular block 601 which is spliced and fixed between the left casing 1 and the right casing 2, so that the ground position where the fixed ring 602 is placed can accurately position the position of the pile foundation, the upper end of the circular block 601 is inserted into the left casing 1, the lower end of the circular block 601 is fixedly connected with the fixed ring 602, and the inner wall of the fixed ring 602 is threadedly connected with a ground cone 603.

[0023] The left casing 1 and the right casing 2 are inserted into the circular block 601 on the fixed ring 602, the supporting leg 5 on the lower semicircular ring 4 on the left casing 1 and the right casing 2 contacts the ground, ensuring the stability between the left casing 1 and the right casing 2 and the ground, and the second screw rod 901 at the lower end of the positioning cylinder 902 is also inserted into the left casing 1 and the right casing 2, so that the left casing 1 and the right casing 2 are spliced and fixed, and the ground position where the positioning cylinder 902 at the upper end of the left casing 1 and the right casing 2 is placed is used to position the position of the pile foundation, so that the position of the precast concrete pile is confirmed at one time, and the use is more convenient.

[0024] The inner wall of the fixed ring 602 is movably connected with a first screw rod 7, the outer wall of the first screw rod 7 is threadedly connected with a first screw block 8, the upper end of the left casing 1 is connected with a positioning mechanism 9, the positioning mechanism 9 includes a second screw rod 901, the outer wall of the second screw rod 901 is movably connected with the left casing 1, the upper end of the screw rod 901 is fixedly connected with a positioning cylinder 902, the outer wall of the screw rod 901 is threadedly connected with a second screw block 903, the upper end of the second screw block 903 abuts against the left casing 1, and the upper end of the positioning cylinder 902 is fixedly connected with a lifting lug 10.

[0025] Working principle:

[0026] First, according to the position of the pile foundation in the hole punched in advance on the ground, the ground cone 603 at the lower end of the fixed ring 602 is inserted into the ground around the hole, and the first screw rod 7 is inserted through the two fixed rings 602, and the first screw block 8 is screwed into the two ends of the first screw rod 7, so that the two semicircular fixed rings 602 are spliced, at this time the left casing 1 and the right casing 2 are inserted into the circular block 601 on the fixed ring 602, the supporting leg 5 is deflected out of the lower semicircular ring 4, the supporting leg 5 on the lower semicircular ring 4 on the left casing 1 and the right casing 2 contacts the ground to increase the contact area between the left casing 1 and the right casing 2 and the ground, and the protruding part of the lower semicircular ring 4 can prevent the supporting leg 5 from rotating horizontally, thereby ensuring the stability between the left casing 1 and the right casing 2 and the ground;

[0027] Meanwhile, the second screw rod 901 at the lower end of the positioning cylinder 902 is also inserted into the left casing 1 and the right casing 2, and the second screw block 903 is manually screwed into the second screw rod 901 again, so that the left casing 1 and the right casing 2 are spliced and fixed, the position of the pile foundation is accurately confirmed according to the position of the positioning cylinder 902, the precast concrete pile is inserted into the positioning cylinder 902 and the fixing ring 602 from the upper end, the circular hole in the center of the fixing ring 602 is vertically and horizontally aligned with the circular hole in the center of the positioning cylinder 902, and the sizes of the positioning cylinder 902 and the fixing ring 602 are the same, so that the precast concrete pile is inserted into the hole in the ground, is limited by the installation positions of the positioning cylinder 902 and the fixing ring 602, and the perpendicularity between the precast concrete pile and the ground is ensured;

[0028] Moreover, the concrete can be injected from the central opening on the outer wall surface of the positioning cylinder 902, flows into the left casing 1 and the right casing 2, and then flows into the gap between the hole in the ground and the precast concrete pile through the hollow gap in the middle of the fixing ring 602 until the central opening on the outer wall surface of the positioning cylinder 902 cannot be injected again, so that the concrete fills and reinforces the gap between the precast concrete pile and the ground, the concrete and the precast concrete pile are solidified, the precast concrete pile is firmly fixed with the ground, the second screw block 903 is manually screwed out of the second screw rod 901 in the reverse direction, the positioning cylinder 902 is lifted out of the upper end of the precast concrete pile by using the lifting lug 10, the inner walls of the left casing 1 and the right casing 2 are separated from the precast concrete pile, the first screw block 8 is screwed into the two ends of the first screw rod 7 to be separated, the ground cone 603 at the lower end of the fixing ring 602 is pulled out of the ground, the surface of the concrete and the precast concrete pile and the ground are treated with cement concrete again, and the appearance of the precast concrete pile and the ground is ensured. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pile foundation positioning device, comprising a left casing (1) and a right casing (2), characterized in that: The outer wall of the left protective tube (1) is fixedly connected to the handle (3), the outer wall of the left protective tube (1) is fixedly connected to the lower semicircular ring (4), the inner wall of the semicircular ring (4) is rotatably connected to the support leg (5), and the inner wall of the left protective tube (1) is connected to a fixing mechanism (6).

2. The pile foundation positioning device according to claim 1, characterized in that: The fixing mechanism (6) includes a round block (601), the upper end of which is inserted into the left protective sleeve (1), the lower end of which is fixedly connected to the fixing ring (602), and the inner wall of the fixing ring (602) is threadedly connected to the ground cone (603).

3. The pile foundation positioning device according to claim 2, characterized in that: The inner wall of the fixed ring (602) is movably connected to the first screw (7), the outer wall of the first screw (7) is threadedly connected to the first screw block (8), and the upper end of the left sleeve (1) is connected to a positioning mechanism (9).

4. The pile foundation positioning device according to claim 3, characterized in that: The positioning mechanism (9) includes a second screw (901), the outer wall of the second screw (901) is movably connected to the left protective cylinder (1), the upper end of the screw (901) is fixedly connected to the positioning cylinder (902), and the outer wall of the screw (901) is threadedly connected to the second screw block (903).

5. The pile foundation positioning device according to claim 4, characterized in that: The upper end of the second screw block (903) abuts against the left sleeve (1).

6. The pile foundation positioning device according to claim 4, characterized in that: The upper end of the positioning cylinder (902) is fixedly connected to the lifting lug (10).

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