A high strain pile foundation detection device

Abstract

The utility model provides a high-strain pile foundation detection device, including: a counterweight block, the counterweight block is used to hammer the pile foundation to be detected; a clamping assembly, the clamping assembly is used to clamp the counterweight block; an equipment bracket, the equipment is provided with a lifting assembly, the lifting assembly is used to adjust the height of the clamping assembly; a V-shaped positioning plate, the V-shaped positioning plate is movably connected to the equipment bracket, the number of the V-shaped positioning plates is two, and the counterweight block is located between the two V-shaped positioning plates. The utility model has the following beneficial effects: the crane hoists the device to the top of the pile foundation to be detected, and moves the two V-shaped positioning plates to position the counterweight block to prevent the counterweight block from shaking, thereby improving the work efficiency and safety of the operation process.

Description

Technical Field

[0001] The utility model belongs to the technical field of pile foundation detection, in particular to a high-strain type pile foundation detection device. Background Art

[0002] Pile foundation refers to a deep foundation consisting of a pile and a pile cap connected to the top of the pile, or a single pile foundation connected by a column and a pile foundation. For high-strain pile foundation testing, a heavy hammer is used to impact the top of the pile foundation to cause sufficient relative displacement of the pile foundation. The velocity and force time-history curves near or at the top of the pile are measured by various instruments, and the vertical compressive bearing capacity of the single pile and the integrity of the pile body are determined through wave theory analysis.

[0003] The current high-strain pile foundation detection device has the following problems during use: the counterweight is directly lifted to the top of the pile foundation by a crane, and then the counterweight is released. During the lifting process of the counterweight, the counterweight shakes and needs to be manually stabilized. This operation process is inefficient and poses a safety hazard. Utility Model Content

[0004] In view of this, the utility model aims to provide a high-strain pile foundation detection device, in order to solve at least one of the above-mentioned technical problems.

[0005] To achieve the above object, the technical solution of the utility model is implemented as follows: a high-strain pile foundation detection device, comprising:

[0006] A counterweight block, the counterweight block is used to hammer the pile foundation to be tested; a clamping assembly, the clamping assembly is used to clamp the counterweight block;

[0007] An equipment bracket, wherein the equipment is provided with a lifting assembly, and the lifting assembly is used to adjust the height of the clamping assembly;

[0008] A V-shaped positioning plate is movably connected to the equipment bracket. There are two V-shaped positioning plates, and the counterweight block is located between the two V-shaped positioning plates.

[0009] Furthermore, ear plates are fixedly provided at both ends of the V-shaped positioning plate, guide holes are opened on the ear plates, and guide rods are fixedly provided on the equipment bracket along the moving direction of the V-shaped positioning plate, and the guide rods are located on the inner side of the guide holes.

[0010] Furthermore, a guide tube matching the guide rod is fixedly provided on the ear plate, and the guide rod is installed on the inner side of the guide tube;

[0011] Two reinforcing ribs are fixedly arranged on the end surface of the V-shaped positioning plate away from the counterweight block, a mounting plate is fixedly arranged at one end of the reinforcing rib away from the V-shaped positioning plate, and a handle is fixedly arranged on the mounting plate.

[0012] Furthermore, a mounting column is fixedly provided at the upper end of the counterweight block, a connecting plate is fixedly provided at the top end of the mounting column, a plug hole is provided on the connecting plate, and the edge of the upper end of the plug hole adopts a chamfered structure.

[0013] Furthermore, a plurality of counterweight rings are provided on the outer side of the mounting column, through holes are provided on the counterweight rings, threaded holes are provided on the counterweight block, and the counterweight rings are detachably connected to the counterweight block via connecting bolts.

[0014] Furthermore, the clamping assembly includes a mounting frame and two clamping rods. The lower end of the clamping rod is fixedly provided with a limiting boss matching the socket, the limiting bosses of the two clamping rods are located on the inner side of the socket, the middle end of the clamping rod is hinged to the mounting frame, and the upper end of the clamping rod is correspondingly provided with a driving assembly for driving the clamping rod to rotate.

[0015] Furthermore, the driving assembly is a hydraulic cylinder, a housing of the hydraulic cylinder is hinged to the upper end of one of the clamping rods, and an output shaft of the hydraulic cylinder is hinged to the upper end of the other clamping rod.

[0016] Furthermore, the mounting base includes a top plate and a vertical plate, the two ends of the top plate are fixedly connected to the upper ends of the vertical plates, a hinge hole is opened on the vertical plate, a hinge rod is fixed on the clamping rod, and the two ends of the hinge rod are respectively installed on the inner sides of the hinge holes of the two vertical plates.

[0017] Furthermore, a guide groove is formed at the lower end of the vertical plate, the width of the guide groove matches the width of the connecting plate, and the lower edge of the guide groove adopts a chamfered structure;

[0018] A guide plate is fixedly arranged on the end surface of the vertical plate away from the clamping rod, the distance between the guide plates of the two vertical plates matches the length of the connecting plate, and both ends of the connecting plate adopt a chamfered structure.

[0019] Furthermore, a connecting ring is fixedly provided on the top of the top plate, and the lifting assembly is a winch, and a steel wire rope of the winch is connected to the connecting ring.

[0020] Compared with the prior art, the high-strain pile foundation detection device described in the utility model has the following beneficial effects:

[0021] (1) The high-strain pile foundation detection device described in the utility model is hoisted by a crane to the top of the pile foundation to be detected, and two V-shaped positioning plates are moved to position the counterweight block to prevent the counterweight block from shaking, thereby improving the work efficiency and safety of the operation process.

[0022] (2) The utility model describes a high-strain pile foundation detection device, in which a plurality of counterweight rings are provided on the outer side of the mounting column, through holes are provided on the counterweight rings, threaded holes are provided on the counterweight blocks, and the counterweight rings are detachably connected to the counterweight blocks by connecting bolts. A corresponding number of counterweight rings are installed according to test requirements, thereby broadening the scope of application of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0024] Figure 1 This is a schematic diagram of the three-dimensional structure of the device according to an embodiment of the utility model;

[0025] Figure 2 It is a schematic diagram of the front cross-sectional structure of the device according to an embodiment of the utility model;

[0026] Figure 3 For the embodiment of the utility model Figure 2 Schematic diagram of the structure at A in the middle;

[0027] Figure 4 It is a schematic diagram of a cross-sectional structure of a device according to an embodiment of the utility model viewed from above;

[0028] Figure 5 This is a schematic diagram of the three-dimensional structure of the counterweight block according to an embodiment of the utility model;

[0029] Figure 6 This is a schematic diagram of the cross-sectional structure of the counterweight block described in the embodiment of the utility model;

[0030] Figure 7 This is a schematic diagram of the three-dimensional structure of the clamping assembly according to an embodiment of the utility model;

[0031] Figure 8 This is a schematic diagram of the three-dimensional structure of the V-shaped positioning plate according to an embodiment of the utility model;

[0032] Fig. 9 This is a schematic diagram of the three-dimensional structure of the vertical plate according to an embodiment of the utility model;

[0033] Fig.10 It is a schematic diagram of the three-dimensional structure of the clamping rod described in the embodiment of the utility model.

[0034] Description of reference numerals:

[0035] 1. Equipment support; 2. Winch; 3. V-shaped positioning plate; 4. Counterweight; 5. Clamping assembly; 101. Guide rod; 301. Ear plate; 302. Guide tube; 303. Handle; 304. Reinforcement rib; 305. Mounting plate; 401. Mounting column; 402. Connecting plate; 403. Socket; 404. Counterweight ring; 405. Connecting bolt; 501. Vertical plate; 502. Top plate; 503. Guide plate; 504. Clamping rod; 505. Hydraulic cylinder; 506. Connecting ring; 50101. Articulated hole; 50102. Guide groove; 50401. Articulated rod; 50402. Limiting boss. DETAILED DESCRIPTION

[0036] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0037] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0039] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0040] like Figures 1 to 10 As shown, a high-strain pile foundation detection device comprises:

[0041] A counterweight block 4, which is used for hammering the pile foundation to be tested; a clamping assembly 5, which is used for clamping the counterweight block 4;

[0042] The equipment support 1 is provided with a lifting assembly, and the lifting assembly is used to adjust the height of the clamping assembly 5;

[0043] The V-shaped positioning plate 3 is movably connected to the equipment bracket 1 . There are two V-shaped positioning plates 3 , and the counterweight 4 is located between the two V-shaped positioning plates 3 .

[0044] Ear plates 301 are fixedly provided at both ends of the V-shaped positioning plate 3, and guide holes are opened on the ear plates 301. A guide rod 101 is fixedly provided on the equipment bracket 1 along the moving direction of the V-shaped positioning plate 3, and the guide rod 101 is located on the inner side of the guide hole. A guide tube 302 matching the guide rod 101 is fixedly provided on the ear plate 301, and the guide rod 101 is installed on the inner side of the guide tube 302; two reinforcing ribs 304 are fixedly provided on the end face of the V-shaped positioning plate 3 away from the counterweight block 4, and a mounting plate 305 is fixedly provided on the end of the reinforcing rib 304 away from the V-shaped positioning plate 3, and a handle 303 is fixedly provided on the mounting plate 305. The V-shaped positioning plate 3 plays a role in quickly positioning the counterweight block 4, thereby improving work efficiency.

[0045] The upper end of the counterweight block 4 is fixedly provided with a mounting column 401, and the top end of the mounting column 401 is fixedly provided with a connecting plate 402, and a plug hole 403 is provided on the connecting plate 402, and the edge of the upper end of the plug hole 403 adopts a chamfered structure. A plurality of counterweight rings 404 are provided on the outer side of the mounting column 401, and a through hole is provided on the counterweight ring 404, and a threaded hole is provided on the counterweight block 4, and the counterweight ring 404 is detachably connected to the counterweight block 4 through a connecting bolt 405. The corresponding number of counterweight rings 404 are installed according to the test needs, so as to expand the application scope of the device.

[0046] The clamping assembly 5 includes a mounting frame and two clamping rods 504. The lower ends of the clamping rods 504 are fixedly provided with limiting bosses 50402 matching the insertion holes 403. The limiting bosses 50402 of the two clamping rods 504 are located inside the insertion holes 403. The middle ends of the clamping rods 504 are hinged to the mounting frame. The upper ends of the clamping rods 504 are correspondingly provided with a driving assembly for driving the clamping rods 504 to rotate. The driving assembly is a hydraulic cylinder 505. The housing of the hydraulic cylinder 505 is hinged to the upper end of one of the clamping rods 504. The output shaft of the hydraulic cylinder 505 is hinged to the upper end of the other clamping rod 504. The mounting base includes a top plate 502 and a vertical plate 501. The two ends of the top plate 502 are fixedly connected to the upper ends of the vertical plates 501. A hinge hole 50101 is opened on the vertical plate 501. A hinge rod 50401 is fixed on the clamping rod 504. The two ends of the hinge rod 50401 are respectively installed on the inner sides of the hinge holes 50101 of the two vertical plates 501.

[0047] A guide groove 50102 is formed at the lower end of the vertical plate 501. The width of the guide groove 50102 matches the width of the connecting plate 402. The lower edge of the guide groove 50102 adopts a chamfered structure. A guide plate 503 is fixedly provided on the end surface of the vertical plate 501 away from the clamping rod 504. The distance between the guide plates 503 of the two vertical plates 501 matches the length of the connecting plate 402. The two ends of the connecting plate 402 adopt a chamfered structure. The guide groove 50102 and the guide plate 503 play a guiding role in the process of aligning the limiting boss 50402 with the plug hole 403, thereby improving work efficiency.

[0048] A connecting ring 506 is fixedly provided on the top of the top plate 502 . The lifting component is a winch 2 , and a steel wire rope of the winch 2 is connected to the connecting ring 506 .

[0049] Working process:

[0050] The crane hoisting device is moved to the top of the pile foundation to be tested, and the two V-shaped positioning plates 3 are moved to position the counterweight 4 to prevent the counterweight 4 from shaking. The output shaft of the hydraulic cylinder 505 shrinks, and the lower end of the clamping rod 504 moves to both ends, and the limiting boss 50402 disengages from the socket 403. At this time, the counterweight 4 makes a free fall and hammers the pile foundation to be tested. After the test is completed, the winch 2 drives the clamping assembly 5 to move downward. When the limiting boss 50402 is aligned with the socket 403, the output shaft of the hydraulic cylinder 505 is extended, and the lower end of the clamping rod 504 moves toward each other, and the limiting boss 50402 is inserted into the socket 403. The V-shaped positioning plates 3 position the counterweight 4 to improve work efficiency.

[0051] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-strain pile foundation detection device, characterized in that: include: A counterweight block (4), the counterweight block (4) being used for hammering the pile foundation to be tested; A clamping assembly (5), wherein the clamping assembly (5) is used to clamp the counterweight (4); An equipment support (1), wherein the equipment is provided with a lifting assembly, and the lifting assembly is used to adjust the height of the clamping assembly (5); A V-shaped positioning plate (3), wherein the V-shaped positioning plate (3) is movably connected to the equipment bracket (1), the number of the V-shaped positioning plates (3) is two, and the counterweight (4) is located between the two V-shaped positioning plates (3).

2. A high strain pile foundation detection device according to claim 1, characterized in that: Ear plates (301) are fixedly provided at both ends of the V-shaped positioning plate (3), and guide holes are opened on the ear plates (301). A guide rod (101) is fixedly provided on the equipment bracket (1) and is arranged along the moving direction of the V-shaped positioning plate (3), and the guide rod (101) is located on the inner side of the guide hole.

3. A high strain pile foundation detection device according to claim 2, characterized in that: The ear plate (301) is fixedly provided with a guide tube (302) matching the guide rod (101). (101) is installed on the inner side of the guide tube (302); Two reinforcing ribs (304) are fixedly provided on the end surface of the V-shaped positioning plate (3) away from the counterweight block (4), a mounting plate (305) is fixedly provided on one end of the reinforcing rib (304) away from the V-shaped positioning plate (3), and a handle (303) is fixedly provided on the mounting plate (305).

4. A high strain pile foundation detection device according to claim 1, characterized in that: A mounting column (401) is fixedly provided at the upper end of the counterweight block (4), a connecting plate (402) is fixedly provided at the top end of the mounting column (401), a plug hole (403) is provided on the connecting plate (402), and the edge of the upper end of the plug hole (403) adopts a chamfered structure.

5. A high strain pile foundation detection device according to claim 4, characterized in that: A plurality of counterweight rings (404) are arranged on the outside of the mounting column (401), through holes are formed on the counterweight rings (404), threaded holes are formed on the counterweight block (4), and the counterweight rings (404) are detachably connected to the counterweight block (4) via connecting bolts (405).

6. A high strain pile foundation detection device according to claim 4, characterized in that: The clamping assembly (5) comprises a mounting frame and two clamping rods (504); a limiting boss (50402) matching the insertion hole (403) is fixedly provided at the lower end of the clamping rod (504); the limiting bosses (50402) of the two clamping rods (504) are located on the inner side of the insertion hole (403); the middle end of the clamping rod (504) is hinged to the mounting frame; and a driving assembly for driving the clamping rod (504) to rotate is correspondingly provided at the upper end of the clamping rod (504).

7. A high strain pile foundation detection device according to claim 6, characterized in that: The driving assembly is a hydraulic cylinder (505), the housing of the hydraulic cylinder (505) is hinged to the upper end of one of the clamping rods (504), and the output shaft of the hydraulic cylinder (505) is hinged to the upper end of the other clamping rod (504).

8. A high strain pile foundation detection device according to claim 6, characterized in that: The mounting seat comprises a top plate (502) and a vertical plate (501), the two ends of the top plate (502) are fixedly connected to the upper ends of the vertical plates (501), a hinge hole (50101) is opened on the vertical plate (501), a hinge rod (50401) is fixedly provided on the clamping rod (504), and the two ends of the hinge rod (50401) are respectively installed on the inner sides of the hinge holes (50101) of the two vertical plates (501).

9. A high strain pile foundation detection device according to claim 8, characterized in that: A guide groove (50102) is formed at the lower end of the vertical plate (501), the width of the guide groove (50102) matches the width of the connecting plate (402), and the lower edge of the guide groove (50102) adopts a chamfered structure; A guide plate (503) is fixedly provided on the end surface of the vertical plate (501) away from the clamping rod (504), the distance between the guide plates (503) of the two vertical plates (501) matches the length of the connecting plate (402), and both ends of the connecting plate adopt a chamfered structure.

10. A high strain pile foundation detection device according to claim 8, characterized in that: A connecting ring (506) is fixedly provided on the top of the top plate (502); the lifting assembly is a winch (2); and the steel wire rope of the winch (2) is connected to the connecting ring (506).

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