CN219710413U - Building engineering foundation pile detection assembly - Google Patents

Abstract

The utility model discloses a foundation pile detection component for building engineering, which belongs to the technical field of building construction detection devices and comprises a bottom plate; a support column; a cross arm; a detection column; a lever; a sliding pin; waist-shaped holes; and the photoelectric detection part is arranged on the other end of the lever and is used for detecting the upward movement amplitude of the detection column. Through detecting post bottom and foundation pile top offset, when the foundation pile descends, detect the post and will move down, and then drive the lever swing, with this make photoelectric detection portion detect lever swing range, and then realize detecting the downmovement of detecting the post, through setting up the interval at lever both ends and free bearing and differ at least twice, make detect the post down move the range less time, through the lever swing, and then will move the range down and amplify, and then can amplify the distance that detects the post and move down, improve constructor to pile foundation settlement's judgment precision like this.

Description

A construction engineering foundation pile detection component

Technical field

The utility model relates to the technical field of construction detection devices, specifically a construction engineering foundation pile detection component.

Background technique

A deep foundation (see picture) consisting of piles and a pile cap connected to the top of the pile (referred to as a cap) or a single pile foundation connected by a column and a pile foundation, referred to as a pile foundation. If the pile body is completely buried in the soil and the bottom of the cap is in contact with the soil, it is called a low cap pile foundation; if the upper part of the pile body is exposed to the ground and the bottom of the cap is above the ground, it is called a high cap pile foundation. Building pile foundations are usually low-capacity pile foundations. In high-rise buildings, pile foundations are widely used.

At present, during construction, since the pile foundation (referred to as foundation pile in this application) will produce settlement, construction workers will detect the settlement of the pile foundation to prevent excessive settlement from affecting the construction quality. In the existing technology, construction When testing the settlement of pile foundations, personnel use the traditional dial indicator (mechanical or digital display) contact measurement mode, that is, two benchmark piles must be set symmetrically with the measuring point as the center, and a A dial indicator is installed on the measuring point of a datum beam, and the settlement measurement is achieved by touching the measuring rod of the dial indicator to the mid-span of the datum beam.

In the above detection methods, since the settlement amplitude of pile foundation is usually small, and the data displayed by detection tools such as dial indicators or the scale lines spanned by the pointer swing may not accurately display the settlement amplitude, therefore the monitoring of pile foundation settlement is The results have a certain degree of influence, which in turn affects the construction personnel's judgment and analysis of pile foundation settlement.

Utility model content

The technical problem to be solved by this utility model is to overcome the defects of the existing technology and provide a construction engineering foundation pile detection assembly. In order to solve the above-mentioned technical problems, the utility model provides the following technical solutions:

The utility model provides: a construction engineering foundation pile detection component, which includes:

A bottom plate, and a support column vertically installed on the bottom plate;

A cross arm connected to the upper end of the support column;

A detection column that slides vertically through the horizontal arm;

Rotate the lever connected to the protruding part of the cross arm. The upper end of the detection column is provided with a sliding pin. The end of the lever closest to the protruding part is provided with a waist-shaped waist for the sliding pin to be inserted and can slide freely. hole;

A photoelectric detection part is provided on the other end of the lever and used to detect the upward movement amplitude of the detection column.

As a further optimization of the above technical solution, a plurality of insertion rods are vertically provided at the bottom of the base plate, and the lower ends of the insertion rods are pointed.

As a further optimization of the above technical solution, a plurality of the insertion rods are arranged in an axial array along the support column.

As a further optimization of the above technical solution, the length direction of the waist-shaped hole is parallel to the length direction of the lever.

As a further optimization of the above technical solution, the photoelectric detection part includes:

a displacement sensor installed on the end of the lever away from the detection column;

A sensing block provided on the cross arm and used in conjunction with the displacement sensor;

A control module electrically connected to the displacement sensor and used to collect detection data of the displacement sensor;

A display module electrically connected to the control module and used to display detection data of the displacement sensor.

As a further optimization of the above technical solution, the control module is a single-chip microcomputer.

As a further optimization of the above technical solution, the display module is an LCD display.

As a further optimization of the above technical solution, the value of the lateral distance between the two ends of the lever and the protrusion is at least twice different.

As a further optimization of the above technical solution, a roller is rotatably connected to the lower end of the detection column.

As a further optimization of the above technical solution, a floating ring is fixedly mounted on the detection column, and a spring is also wrapped around the detection column. Both ends of the spring elastically push against the floating ring and the cross arm respectively.

Compared with the existing technology, the beneficial effects of this utility model are:

By the bottom end of the detection column being in contact with the top of the foundation pile, when the foundation pile drops, the detection column will move downward, which will drive the lever to swing, so that the photoelectric detection part can detect the swing amplitude of the lever, thereby moving the detection column downward. Compared with the existing technology, which uses scale lines to detect settlement data, the detection accuracy is higher;

By setting the distance between the two ends of the lever and the hinge base to be at least two times different, when the downward movement of the detection column is small, the downward movement of the detection column is amplified by swinging the lever, and the distance of the downward movement of the detection column can be measured. Zoom in to improve the accuracy of construction workers' determination of pile foundation settlement;

By setting a spring to generate an elastic force against the floating ring, the bottom end of the detection column remains in contact with the top of the foundation pile to prevent the detection accuracy from being affected by the unsynchronized downward movement of the detection column when the foundation pile settles;

By arranging insertion rods, the support columns can be installed more firmly on the ground at the construction site.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used to explain the present utility model together with the embodiments of the present utility model, and do not constitute a limitation of the present utility model. In the attached picture:

Figure 1 is a schematic structural diagram of a construction engineering pile detection component of the utility model;

Figure 2 is a schematic diagram of the structural elevation angle of a construction engineering foundation pile detection component of the utility model;

Figure 3 is an enlarged schematic diagram of the partial structure at A in Figure 2;

Figure 4 is a schematic diagram of the frame structure of the photoelectric detection part in a construction engineering foundation pile detection assembly of the present invention;

Figure 5 is a schematic structural diagram of a construction engineering pile detection component in use according to the present invention.

In the picture: 1-insertion rod, 2-base plate, 3-support column, 4-cross arm, 5-displacement sensor, 6-lever, 7-protrusion, 8-detection column, 9-spring, 10-roller, 11 -Floating ring, 12-sensing block, 13-waist-shaped hole, 14-sliding pin, 15-control module, 16-display module, 17-foundation pile.

Detailed ways

Preferred embodiments of the present utility model will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the utility model, and are not intended to limit the utility model.

Example

As shown in Figures 1-5, this embodiment provides a technical solution: a construction engineering foundation pile detection component, including:

The bottom plate 2 and the support column 3 vertically installed on the bottom plate 2. The lower end of the support column 3 is vertically welded to the bottom plate 2. When testing, the bottom plate 2 is placed flat on the ground at the construction site;

The cross arm 4 is connected to the upper end of the support column 3. One end of the length direction of the cross arm 4 is welded to the upper end of the support column 3, and the length direction of the cross arm 4 is perpendicular to the axial direction of the support column 3;

The detection post 8 slides vertically through the cross arm 4. The cross arm 4 is provided with a perforation through which the detection post 8 can move up and down freely. The detection post 8 forms a sliding fit with the perforation so that the detection post 8 can slide up and down. The bottom of the detection column 8 is in contact with the top of the foundation pile 17;

Rotate the lever 6 connected to the protrusion 7 of the cross arm 4. The upper end of the detection column 8 is provided with a sliding pin 14. The detection column 8 is provided with a pin hole for the sliding pin 14 to fit tightly. The lever 6 is located at a distance from the protrusion 7 The nearest end is provided with a waist-shaped hole 13 for the sliding pin 14 to be inserted and can slide freely. When the foundation pile settles, the detection column 8 will move downward, allowing the sliding pin 14 to slide in the waist-shaped hole 13, and then It can drive the lever 6 to swing along the rotation fulcrum with the cross arm 4, and the end of the lever 6 away from the detection column 8 will swing upward. The lateral distance between the two ends of the lever 6 and the hinge base 7 is at least twice the difference, so that the lever 6 is close to the detection The swing amplitude generated by one end of the column 8 can be amplified by the swing of the other end of the lever 6, thereby amplifying the downward movement amplitude of the detection column;

A photoelectric detection part is provided on the end of the lever 6 away from the detection column 8 and is used to detect the upward movement of the detection column 8. The detection precision and accuracy of the photoelectric detection part are higher than those of the scale line.

In a construction engineering foundation pile detection assembly described in the utility model, the bottom plate 2 is placed flat on the ground at the construction site. When the foundation pile settles, the detection column 8 will move downward, so that the sliding pin 14 is in the waist shape. Sliding in the hole 13 can drive the lever 6 to swing along the rotation fulcrum with the cross arm 4, and the end of the lever 6 away from the detection column 8 will swing upward. Due to the lever principle, the end of the lever 6 away from the detection column 8 will swing upward. is greater than the swing amplitude of the other end, so that even if the detection column moves with a small amplitude, the swing of the lever can amplify the movement of the detection column. At the same time, the photoelectric detection part will detect the swing height of the lever 6, thus achieving The detection accuracy of the downward movement amplitude of the detection column is higher than that of the existing technology, which facilitates construction workers to effectively and accurately determine the settlement of the foundation pile 17 .

As shown in Figure 1-5, a plurality of insertion rods 1 are vertically provided at the bottom of the base plate 2. The lower end of the insertion rods 1 is pointed, and the insertion rods 1 can be connected to the base plate 2 by welding.

In the construction engineering foundation pile detection assembly described in the utility model, the insertion rod 1 is inserted into the ground at the construction site, and the lower surface of the base plate 2 is made to fit with the ground, so that the support column 3 can be installed on the ground more reliably. superior.

As shown in Figure 1-5, multiple insertion rods 1 are arranged in an axial array along the support column 3. Specifically, the number of insertion rods 1 can be set to four.

In a construction engineering foundation pile detection assembly described in the utility model, the insertion rods 1 are arranged in an array according to the axial direction of the support column 3, so that after the insertion rods 1 are inserted into the foundation, the supporting force generated by the support column 3 is relatively large. Evenly, the reinforcement effect on support column 3 is better.

As shown in Figure 1-5, the length direction of the waist-shaped hole 13 is parallel to the length direction of the lever 6.

In the construction engineering foundation pile detection assembly described in the utility model, the length direction of the waist-shaped hole 13 is set parallel to the length direction of the lever 6, so that when the sliding pin slides in the waist-shaped hole 13, it can be relatively The lever 6 is driven to swing in time to improve the detection accuracy.

As shown in Figure 1-5, the photoelectric detection part includes:

The displacement sensor 5 is installed on the end of the lever 6 away from the detection column 8. The displacement sensor 5 is powered by an external power supply module, and the detection end of the displacement sensor 5 is set toward the upper surface of the cross arm;

The sensing block 12 is provided on the cross arm 4 and used in conjunction with the displacement sensor 5;

The control module 15 is electrically connected to the displacement sensor 5 and is used to collect the detection data of the displacement sensor 5. Specifically, the control module 15 can be set as a single-chip microcomputer (single-chip microcomputer is a commonly used device at present, and its structure and working principle are not explained here. (discussed below);

The display module 16 is electrically connected to the control module 15 and is used to display the detection data of the displacement sensor 5. Specifically, the display module 16 can be set as an LCD display (LCD display is a commonly used device at present, and its structure and working principle are in This will not be discussed again).

In the construction engineering foundation pile detection assembly described in the utility model, when the lever 6 swings, it drives the displacement sensor to move up and down accordingly, causing relative movement between the displacement sensor and the sensing block. Based on the displacement sensor itself, The working principle can generate induction signals. The induction signals are fed back to the control module 15 through wireless transmission modules or cables. The control module 15 analyzes and processes the induction signals and generates displacement detection data, and then the displacement detection data passes through The display module 16 can then visually display the displacement detection data. The construction personnel can analyze the settlement amplitude of the foundation pile 17 based on the displacement detection data displayed by the display module 16, so as to Determine whether the settlement amplitude of the foundation pile 17 reaches the standard to avoid affecting the construction quality.

As shown in Figure 1-5, the lower end of the detection column 8 is rotatably connected to the roller 10. The roller 10 is pivotally connected to the lower end of the detection column 8. In addition, the lower end of the detection column 8 has an installation groove for the roller 10 to pass freely.

In the construction engineering foundation pile detection assembly described in the utility model, the roller 10 is provided, and the roller 10 maintains rolling contact with the top of the foundation pile 17, so that when the foundation pile 17 settles, the contact between the roller 10 and the foundation pile 17 is Line contact mode, thus reducing the impact of the surface quality of the foundation pile 17 on the downward movement of the detection column.

As shown in Figure 1-5, the detection column 8 is fixed with a floating ring 11. The floating ring 11 is located below the cross arm 4. In addition, the detection column 8 is also wrapped with a spring 9. Both ends of the spring 9 elastically resist each other. Top the floating ring 11 and the cross arm 4. In the initial state, the spring 9 maintains pre-pressure on the floating ring.

In the construction engineering foundation pile detection assembly described in the present invention, the spring 9 generates an elastic force against the floating ring, so that the roller can always maintain contact with the top of the foundation pile.

Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it The technical solutions described in the foregoing embodiments can still be modified, or some of the technical features can be equivalently replaced. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (9)

1. A construction engineering foundation pile detection component, which is characterized in that it includes: The bottom plate (2), and the support column (3) vertically installed on the bottom plate (2); The cross arm (4) connected to the upper end of the support column (3); The detection column (8) slides vertically through the horizontal arm (4); Rotate the lever (6) connected to the protrusion (7) of the cross arm (4). A sliding pin (14) is passed through the upper end of the detection column (8). The lever (6) is at a distance from the protrusion (7). 7) The nearest end is provided with a waist-shaped hole (13) for the sliding pin (14) to be inserted and can slide freely. The value of the lateral distance between the two ends of the lever (6) and the protrusion (7) is at least two times different. times; A photoelectric detection part is provided on the other end of the lever (6) and used to detect the upward movement amplitude of the detection column (8). 2. A construction engineering foundation pile detection assembly according to claim 1, characterized in that a plurality of insertion rods (1) are vertically provided at the bottom of the base plate (2), and the lower ends of the insertion rods (1) are pointed. Head shape. 3. A construction engineering foundation pile detection assembly according to claim 2, characterized in that a plurality of the insertion rods (1) are arranged in an axial array along the support column (3). 4. A construction engineering foundation pile detection assembly according to claim 1, characterized in that the length direction of the waist-shaped hole (13) is parallel to the length direction of the lever (6). 5. A construction engineering foundation pile detection assembly according to claim 1, characterized in that the photoelectric detection part includes: A displacement sensor (5) installed on the end of the lever (6) away from the detection column (8); A sensing block (12) provided on the cross arm (4) and used in conjunction with the displacement sensor (5); A control module (15) electrically connected to the displacement sensor (5) and used to collect detection data of the displacement sensor (5); A display module (16) electrically connected to the control module (15) and used to display detection data of the displacement sensor (5). 6. A construction engineering foundation pile detection component according to claim 5, characterized in that the control module (15) is a single-chip microcomputer. 7. A construction engineering foundation pile detection component according to claim 5, characterized in that the display module (16) is an LCD display. 8. A construction engineering foundation pile detection assembly according to claim 1, characterized in that a roller (10) is rotatably connected to the lower end of the detection column (8). 9. A construction engineering foundation pile detection assembly according to claim 1, characterized in that a floating ring (11) is fixedly mounted on the detection column (8), and a floating ring (11) is also mounted on the detection column (8). There is a spring (9), and both ends of the elastic force direction of the spring (9) elastically resist the floating ring (11) and the cross arm (4) respectively.