Water conservancy pile foundation bearing capacity detection device

Abstract

The utility model relates to the technical field of pile foundation detection equipment, and particularly discloses a water conservancy pile foundation bearing capacity detection device which comprises a base, a lifting mechanism and a universal pile foundation positioning mechanism. The lifting mechanism comprises a first hydraulic pump, the output end of the first hydraulic pump is connected with a lifting table, pile foundation lifting grooves are formed in the lifting table and the base, and a spring is installed between the lifting table and the base. In order to solve the technical problem that a pile foundation clamping structure of an existing detection device is poor in universality, the fixed clamping plate, the first movable clamping plate and the second movable clamping plate are arranged on the detection device, the purpose of clamping the outer side wall of a pile foundation is achieved through the fixed clamping plate and the two sets of movable clamping plates, and the two sets of movable clamping plates are matched with the electric screw to clamp the outer side wall of the pile foundation. The clamping device is arranged on the movable sliding base in a left-right sliding mode, so that the clamping device can be suitable for stable clamping of pile foundations with various diameters, the clamping requirements of the pile foundations with the various diameters are met, and universality is high.

Description

Technical Field

[0001] The utility model relates to the technical field of pile foundation detection equipment, in particular to a water conservancy pile foundation bearing capacity detection device. Background Art

[0002] The bearing capacity of pile foundation refers to the maximum load that the structure can withstand under normal use, when the strength and stability of the foundation soil and the pile itself are guaranteed and the deformation is within the allowable range. During construction, the bearing capacity of pile foundation needs to be measured first to ensure the safety of construction. When measuring the bearing capacity of pile foundation, a measuring device is required.

[0003] The existing patent application number is: CN151922288236.0, and the patent name is: A utility model patent for a lightweight and easy-to-install pile foundation bearing capacity detection device. The detection device disclosed in this scheme includes a first hydraulic pump fixedly connected to the top of the base, the number of the first hydraulic pumps is four, the base is movably connected to a lifting platform through the first hydraulic pump, the first hydraulic pump is fixedly connected to the lifting platform, and the side of the lifting platform away from the first hydraulic pump is fixedly connected to the second hydraulic pump, the number of the second hydraulic pumps is two; when in use, after adjusting the position of the device, turn on the second hydraulic pump, so that the handle clamps the pile foundation, and then turn on the first hydraulic pump, lift the pile foundation, push the connecting rod, place the measuring base at the bottom of the pile foundation, and put down the first hydraulic pump, thereby achieving the purpose of convenient measurement.

[0004] In this solution, the purpose of clamping and fixing the pile foundation is achieved by using a handle in conjunction with a hydraulic pump. Since the handle is a circular structure and the size of the handle is fixed, it can only clamp and fix piles of a certain diameter. When it is necessary to measure a pile of another size, the entire device must be replaced. The overall versatility of the device is poor. Therefore, it is necessary to improve the above-mentioned technical problems. Utility Model Content

[0005] The purpose of the utility model is to provide a hydraulic pile foundation bearing capacity detection device to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a hydraulic pile foundation bearing capacity detection device, comprising a base, a lifting mechanism, and a universal pile foundation positioning mechanism; the lifting mechanism comprises a first hydraulic pump installed on the base, the output end of the first hydraulic pump is connected to a lifting platform, the lifting platform and the base are both provided with pile foundation lifting grooves, and a spring is installed between the lifting platform and the base;

[0007] The pile foundation positioning mechanism includes pile foundation clamps installed on the left and right sides of the lifting platform. The pile foundation clamp installation includes a fixed clamp, a first movable clamp, and a second movable clamp. The first movable clamp and the second movable clamp are symmetrically arranged on the left and right sides of the fixed clamp. The fixed clamp is fixedly installed on the movable slide, and the movable slide is connected to the second hydraulic pump; the first movable clamp and the second movable clamp are connected to an electric screw, and are arranged on the left and right sides of the movable slide by sliding left and right through the electric screw.

[0008] Preferably, the electric screw is connected to a motor, and threaded portions with opposite thread rotations are provided on the left and right sides of the electric screw. The two sets of threaded portions are respectively threadedly connected to the first movable splint and the second movable splint, and the sliding directions of the first movable splint and the second movable splint are opposite.

[0009] Preferably, an inclined surface structure tangent to the outer circumferential wall of the pile foundation is provided on the inner side walls of the first movable clamping plate and the second movable clamping plate.

[0010] Preferably, the first movable splint and the second movable splint are respectively provided with connecting racks at one end away from the movable slide, and the connecting racks on the two sets of movable splints connected to each other are arranged alternately up and down.

[0011] Preferably, the top of the spring is connected to the scale through a pointer, and the bottom of the spring is slidably arranged on the base through a push-pull handle.

[0012] Preferably, fixed legs are arranged around the base, and the bottom ends of the fixed legs are fixed to the ground by fixed anchor rods.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model provides a water conservancy pile foundation bearing capacity detection device. This solution aims at the technical problem that the pile foundation clamping structure of the existing detection device has poor versatility. A universal pile foundation positioning mechanism is arranged on the detection device, and the pile foundation positioning mechanism includes a fixed clamping plate, a first movable clamping plate, and a second movable clamping plate installed on the left and right sides of the lifting platform. The purpose of clamping the outer wall of the pile foundation is achieved by the fixed clamping plate and the above two groups of movable clamping plates, and the two groups of movable clamping plates are slid left and right on the movable sliding seat under the cooperation of the electric screw, so that it can be suitable for stable clamping of pile foundations of various diameters, meet the clamping requirements of pile foundations of various diameters, and has strong versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a top view of the utility model;

[0017] Figure 3 It is a schematic diagram of the specific structure of the pile foundation clamping mechanism of the utility model when clamping a small diameter pile foundation;

[0018] Figure 4 It is a schematic diagram of the specific structure of the first movable splint of the utility model.

[0019] In the figure: 1. base; 2. first hydraulic pump; 3. lifting platform; 4. pile foundation lifting groove; 5. spring; 6. pile foundation clamp; 7. fixed clamp; 8. first movable clamp; 9. second movable clamp; 10. movable slide; 11. second hydraulic pump; 12. electric screw; 13. motor; 14. connecting rack; 15. fixed anchor rod; 16. pointer; 17. push-pull handle; 18. ruler; 19. fixed support foot. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 invention.

[0022] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] See also Figure 1-4 The utility model provides a technical solution: a hydraulic pile foundation bearing capacity detection device, comprising a base 1, a lifting mechanism, and a universal pile foundation positioning mechanism; the lifting mechanism comprises a first hydraulic pump 2 installed on the base 1, the output end of the first hydraulic pump 2 is connected to a lifting platform 3, the lifting platform 3 and the base 1 are both provided with a pile foundation lifting groove 4, and a spring 5 is installed between the lifting platform 3 and the base 1;

[0024] The pile foundation positioning mechanism includes a pile foundation clamp 6 installed on the left and right sides of the lifting platform 3. The pile foundation clamp 6 includes a fixed clamp 7, a first movable clamp 8, and a second movable clamp 9. The first movable clamp 8 and the second movable clamp 9 are symmetrically arranged on the left and right sides of the fixed clamp 7. The fixed clamp 7 is fixedly installed on the movable slide 10, and the movable slide 10 is connected to the second hydraulic pump 11; the first movable clamp 8 and the second movable clamp 9 are connected to the electric screw 12, and are arranged on the left and right sides of the movable slide 10 through the electric screw 12 to slide left and right.

[0025] Furthermore, the electric screw 12 is connected to the motor 13, and threaded portions with opposite thread rotations are arranged on the left and right sides of the electric screw 12. The above two sets of threaded portions are respectively threadedly connected to the first movable splint 8 and the second movable splint 9, and the sliding directions of the first movable splint 8 and the second movable splint 9 are opposite.

[0026] Furthermore, an inclined surface structure tangent to the outer circumferential wall of the pile foundation is provided on the inner side walls of the first movable clamping plate 8 and the second movable clamping plate 9 .

[0027] Furthermore, a connecting rack 14 is respectively provided at one end of the first movable splint 8 and the second movable splint 9 away from the movable slide 10 , and the connecting racks 14 on the two sets of movable splints connected to each other are arranged alternately up and down.

[0028] Furthermore, the top of the spring 5 is connected to the scale 18 via a pointer 16 , and the bottom of the spring 5 is slidably disposed on the base 1 via a push-pull handle 17 .

[0029] Furthermore, fixed legs 19 are provided around the base 1 , and the bottom ends of the fixed legs 19 are fixed to the ground through fixed anchor rods 15 .

[0030] Working principle: When the detection device is actually used, the base 1 is placed at the bottom of the pile foundation, the axis of the pile foundation is aligned with the axis of the pile foundation lifting groove 4, and the fixed support foot 19 is fixed to the ground through the fixed anchor rod 15 at its bottom end.

[0031] Start the second hydraulic pump 11 so that the second hydraulic pump 11 pushes the fixed clamping plate 7 towards the pile foundation until the inner wall of the fixed clamping plate 7 fits with the pile foundation, and then start the motor 13 so that the motor 13 drives the electric screw 12 to rotate. The electric screw 12 is connected to the first movable clamping plate 8 and the second movable clamping plate 9 through the threaded parts on its left and right sides, so that the above two groups of movable clamping plates approach each other until they clamp the surface of the pile foundation, thereby achieving the purpose of clamping the pile foundation.

[0032] Then start the first hydraulic pump 2, lift the pile foundation through the first hydraulic pump 2, push the push-pull handle 17, place the spring 5 at the bottom of the pile foundation, and then put down the first hydraulic pump 2 so that the weight of the pile foundation is pressed on the spring 5, read the parameters of the pointer 16 on the scale 18 to complete the measurement.

[0033] It is worth noting that the entire device is controlled by a controller. Since the controller is a commonly used device and belongs to the existing mature technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic pile foundation bearing capacity detection device, characterized in that: The invention comprises a base (1), a lifting mechanism, and a universal pile foundation positioning mechanism; the lifting mechanism comprises a first hydraulic pump (2) installed on the base (1); the output end of the first hydraulic pump (2) is connected to a lifting platform (3); the lifting platform (3) and the base (1) are both provided with pile foundation lifting grooves (4); and a spring (5) is installed between the lifting platform (3) and the base (1); The pile foundation positioning mechanism comprises a pile foundation clamp (6) installed on the left and right sides of the lifting platform (3), the pile foundation clamp (6) comprises a fixed clamp (7), a first movable clamp (8), and a second movable clamp (9), the first movable clamp (8) and the second movable clamp (9) are symmetrically arranged on the left and right sides of the fixed clamp (7), the fixed clamp (7) is fixedly installed on a movable slide (10), and the movable slide (10) is connected to a second hydraulic pump (11); the first movable clamp (8) and the second movable clamp (9) are connected to an electric screw (12), and are arranged on the left and right sides of the movable slide (10) by sliding left and right through the electric screw (12).

2. A hydraulic pile foundation bearing capacity detection device according to claim 1, characterized in that: The electric screw (12) is connected to a motor (13), and threaded portions with opposite thread rotations are arranged on the left and right sides of the electric screw (12), and the two sets of threaded portions are respectively threadedly connected to the first movable clamping plate (8) and the second movable clamping plate (9).

3. A hydraulic pile foundation bearing capacity detection device according to claim 1, characterized in that: The inner side walls of the first movable clamping plate (8) and the second movable clamping plate (9) are provided with inclined surface structures tangent to the outer side walls of the pile foundation circumference.

4. A hydraulic pile foundation bearing capacity detection device according to claim 1, characterized in that: A connecting rack (14) is provided at one end of the first movable clamping plate (8) and the second movable clamping plate (9) away from the movable slide seat (10), and the connecting racks (14) on the two sets of movable clamping plates connected to each other are arranged in an up-and-down staggered manner.

5. A hydraulic pile foundation bearing capacity detection device according to claim 1, characterized in that: The top of the spring (5) is connected to the scale (18) via a pointer (16), and the bottom of the spring (5) is slidably arranged on the base (1) via a push-pull handle (17).

6. A hydraulic pile foundation bearing capacity detection device according to claim 1, characterized in that: Fixed legs (19) are arranged around the base (1), and the bottom ends of the fixed legs (19) are fixed to the ground via fixed anchor rods (15).

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