Device for measuring verticality and thickness of sediment of bored pile

Abstract

The application discloses a device for integrally measuring the verticality and the thickness of the sediment of a bored pile, which comprises a support, a probe, an angle measuring assembly and a detection cage; the support is fixedly arranged on the ground around the pile hole; the detection cage is hung in the support and can be lowered into the pile hole in a lifting mode; the angle measuring assembly is arranged between the top of the support and the top of the detection cage and is used for measuring the included angle between the central axis of the detection cage and the vertical line; the probe is movably arranged at the center of the bottom of the detection cage; when the detection cage is lowered into the pile hole, the probe can be in contact with the bottom of the hole, the bottom surface of the detection cage can be in contact with the upper surface of the sediment, and a scale line is arranged on the probe in an axial direction. The application relates to the technical field of civil engineering test and detection, and can solve the problems of inaccurate verticality measurement and complicated and inaccurate thickness measurement of the sediment in the prior art.

Description

Technical Field

[0001] This invention relates to the field of civil engineering testing and inspection technology, and in particular to an integrated device for measuring the verticality of cast-in-place pile boreholes and the thickness of sediment. Background Technology

[0002] The quality of bored pile drilling is a key process in building construction. The judgment of the drilling quality directly affects the pile quality. Currently, verticality measurement is generally done by drilling rod measurement, which is very inaccurate. The thickness of sediment is generally calculated by the difference before and after drilling, which is cumbersome and inaccurate on-site. The above two values ​​are the influencing factors of drilling quality, and each value needs to be measured separately, which consumes a lot of manpower and time and the value reading is inaccurate.

[0003] Therefore, there is a need to provide an integrated device for measuring the verticality of cast-in-place pile holes and the thickness of sediment, which can solve the problems of inaccurate measurement of cast-in-place pile hole verticality and cumbersome and inaccurate measurement of sediment thickness in the existing technology. Summary of the Invention

[0004] The purpose of this invention is to provide an integrated device for measuring the verticality of cast-in-place pile boreholes and the thickness of sediment, which can solve the problems of inaccurate measurement of cast-in-place pile borehole verticality and cumbersome and inaccurate measurement of sediment thickness in the prior art.

[0005] This invention is implemented as follows:

[0006] An integrated device for measuring the verticality of a bored pile hole and the thickness of sediment includes a support, a probe, an angle measuring component, and a detection cage. The support is fixedly erected on the ground around the pile hole, and the detection cage is suspended inside the support and can be lowered into the pile hole in a lifting manner. The angle measuring component is set between the top of the support and the top of the detection cage and measures the angle between the central axis of the detection cage and the vertical line. The probe is movably set at the bottom center of the detection cage. When the detection cage is lowered into the pile hole, the probe can contact the bottom of the hole, and the bottom surface of the detection cage can contact the upper surface of the sediment. The probe has graduation lines along the axial direction.

[0007] The angle measuring component includes a suspension rope, an angle indicator, and a pulley; the pulley is installed inside the top of the support, one end of the suspension rope is located on the outside side of the support, and the other end of the suspension rope is fixedly connected to the top center of the detection cage after passing through the pulley, so that the detection cage can be lowered into the pile hole by the suspension rope; the angle indicator is located below the pulley.

[0008] The angle indicator has a semi-circular structure and its angle measurement range is -90° to 90°. When the suspension rope is in the vertical direction, the suspension rope is aligned with the 0 point of the angle indicator.

[0009] The bottom surface of the detection cage is provided with a lower tray. When the detection cage is lowered into the pile hole, the bottom surface of the lower tray can fit against the upper surface of the sediment.

[0010] The lower tray has a check groove at its center. The upper end of the probe is movably installed in the check groove, allowing the probe to retract into the check groove and the lower end of the probe to contact the bottom of the hole.

[0011] The detection cage has several spokes spaced apart on its side surface. The outer diameter of the detection cage is the same as the diameter of the pile hole, so that when the detection cage is lowered into the pile hole, the spokes can fit against the hole wall.

[0012] Compared with the prior art, the present invention has the following advantages:

[0013] 1. This invention can be customized according to the size of the pile hole, is highly flexible, compact and convenient, and easy to move and store during construction. Compared with traditional measurement methods, this invention can measure the verticality of the pile hole and the thickness of the sediment in one measurement, which greatly improves convenience, saves the time spent in this process, and improves measurement efficiency. It can be widely used for the quality inspection of various types of cast-in-place pile holes.

[0014] 2. The structure of this invention is simple overall, and the dimensions and specifications of each component are relatively fixed. It can be applied to various hole measurement methods, with no operational difficulties. The process is simple and convenient, with low requirements for the work experience of operators. The manufacturing cost is low, and it can be made using common materials such as steel found on construction sites.

[0015] 3. This invention does not require the addition of gasoline, diesel or other power fuels, which greatly reduces environmental pollution, realizes green transportation, and has low maintenance costs and high economic benefits. Attached Figure Description

[0016] Figure 1 This is a perspective view of the integrated device for measuring the verticality of the bored pile and the thickness of the sediment in this invention.

[0017] Figure 2 This is a partial schematic diagram of the integrated device for measuring the verticality of the bored pile and the thickness of the sediment in the present invention.

[0018] Figure 3 This is a flowchart of the working process of the integrated device for measuring the verticality of the bored pile and the thickness of the sediment in the present invention.

[0019] Figure 4 This is a schematic diagram of the probe and anti-reverse groove in the integrated device for measuring the verticality of the bored pile and the thickness of the sediment in this invention.

[0020] Figure 5 This is a schematic diagram of the device for measuring the verticality of the bored pile and the thickness of the sediment in the present invention.

[0021] Figure 6 This is a schematic diagram of the installation of the integrated device for measuring the verticality of the bored pile and the thickness of the sediment in the present invention.

[0022] In the diagram, 1 is the suspension rope, 2 is the bracket, 3 is the probe, 4 is the anti-reverse groove, 5 is the spoke, 6 is the lower tray, 7 is the detection cage, 8 is the angle indicator, 9 is the angle 0 point, 10 is the pulley, and 11 is the pile hole. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0024] Please see the appendix Figure 1 Appendix Figure 2 Appendix Figure 5 and attached Figure 6 An integrated device for measuring the verticality of a bored pile hole and the thickness of sediment includes a support 2, a probe 3, an angle measuring component, and a detection cage 7. The support 2 is fixedly erected on the ground around the pile hole 11. The detection cage 7 is suspended inside the support 2 and can be lowered into the pile hole 11 in a lifting manner. The angle measuring component is set between the top of the support 2 and the top of the detection cage 7 and measures the angle between the central axis of the detection cage 7 and the vertical line. The probe 3 is movably set at the bottom center of the detection cage 7. When the detection cage 7 is lowered into the pile hole 11, the probe 3 can contact the bottom of the hole, and the bottom surface of the detection cage 7 can contact the upper surface of the sediment. The probe 3 is provided with graduation lines along the axial direction.

[0025] Preferably, the bracket 2 can be a portal frame bracket, or other structural brackets can be used according to actual usage requirements, to facilitate the alignment of the detection cage 7 with the pile hole 11 and the lowering of the detection cage 7. Preferably, the probe 3 can be installed at the bottom center of the detection cage 7 by means of a spring or other movable component.

[0026] During the lowering of the detection cage 7 to the bottom of the hole, the lower end of the probe 3 contacts the bottom of the hole first, compressing the spring and preventing the probe 3 from moving further down. The detection cage 7 can then continue to be lowered relative to the probe 3 until the bottom surface of the detection cage 7 contacts the upper surface of the sediment. During this process, the probe 3 retracts into the detection cage 7. At this point, the length of the probe 3 below the detection cage 7 is the thickness of the sediment in the hole, which can be read through the scale lines on the probe 3. Simultaneously, the verticality of the detection cage 7 can be measured using the angle measuring component, and this verticality is the verticality of the pile hole 11.

[0027] Please see the appendix Figure 1 Appendix Figure 2 Appendix Figure 5 and attached Figure 6The angle measuring component includes a suspension rope 1, an angle indicator 8, and a pulley 10. The pulley 10 is installed inside the top of the bracket 2. One end of the suspension rope 1 is located on the outside side of the bracket 2, and the other end of the suspension rope 1 is fixedly connected to the top center of the detection cage 7 after passing through the pulley 10, so that the detection cage 7 can be lowered into the pile hole 11 by means of the suspension rope 1. The angle indicator 8 is located below the pulley 10.

[0028] Preferably, the pulley 10 can be a fixed pulley. The suspension rope 1 and the pulley 10 facilitate the lowering and raising of the detection cage 7, making the operation labor-saving and convenient. Under the action of gravity of the detection cage 7, the suspension rope section located below the pulley 10 is in a vertical state (or at an angle consistent with the perpendicularity of the pile hole 11), so that the perpendicularity of the detection cage 7, that is, the drilling perpendicularity of the pile hole 11, can be directly obtained through the angle scale on the angle indicator 8 of the suspension rope 1.

[0029] Please see the appendix Figure 1 The angle indicator 8 has a semi-circular structure and the angle measurement range of the angle indicator 8 is -90° to 90°. When the suspension rope 1 is in the vertical direction, the suspension rope 1 is aligned with the angle 0 point 9 of the angle indicator 8.

[0030] When installing the angle indicator 8, it should be ensured that the angle 0 point 9 of the angle indicator 8 coincides with the vertical line, so that the suspension rope 1 can form an angle with the angle 0 point 9 of the angle indicator 8 when it tilts with the detection cage 7. This angle is the verticality of the pile hole 11.

[0031] Please see the appendix Figure 1 and attached Figure 2 The bottom surface of the detection cage 7 is provided with a lower tray 6. When the detection cage 7 is lowered into the pile hole 11, the bottom surface of the lower tray 6 can adhere to the upper surface of the sediment.

[0032] By setting the lower tray 6, the contact area between the bottom surface of the detection cage 7 and the upper surface of the sediment can be increased, thereby stopping the lower tray 6 from descending when it comes into contact with the upper surface of the sediment. Preferably, the lower tray 6 can adopt a circular frame or other structural form according to actual usage requirements.

[0033] Please see the appendix Figure 1 Appendix Figure 2 and attached Figure 4 The lower tray 6 is provided with a backflow preventer groove 4 at its center. The upper end of the probe 3 is movably installed in the backflow preventer groove 4, so that the probe 3 can retract into the backflow preventer groove 4, and the lower end of the probe 3 can also contact the bottom of the hole.

[0034] Preferably, the inner diameter of the check groove 4 is slightly larger than the outer diameter of the probe 3, so that the probe 3 can compress the spring and retract into the check groove 4 when it contacts the bottom of the hole.

[0035] Please see the appendix Figure 1Appendix Figure 2 and attached Figure 4 To be continued Figure 6 The detection cage 7 has several spokes 5 spaced apart on its side surface. The outer diameter of the detection cage 7 is the same as the diameter of the pile hole 11, so that when the detection cage 7 is lowered into the pile hole 11, the spokes 5 can fit against the hole wall of the pile hole 11.

[0036] The detection cage 7 can be made according to the diameter of the pile hole 11. The number and spacing of the spokes 5 can be adjusted according to the diameter of the detection cage 7 so that when the detection cage 7 is lowered into the pile hole 11, several spokes 5 can fit against the hole wall of the pile hole 11, ensuring that the verticality of the detection cage 7 is consistent with the verticality of the pile hole 11, so that the hole verticality of the pile hole 11 can be directly measured by the scale line on the angle indicator 8.

[0037] Please see the appendix Figure 1 To be continued Figure 6 The working process and working principle of this invention are as follows:

[0038] The entire device can be made from materials commonly found on construction sites, such as steel pipes and angle steel, which are easy to obtain and manufacture, and have low manufacturing and maintenance costs.

[0039] The entire device is fixed above the pile hole 11 of the cast-in-place pile by the bracket 2. The bottom of the bracket 2 is fixed to the ground around the pile hole 11, and the detection cage 7 is located directly above the pile hole 11, with the central axis of the detection cage 7 coinciding with the central axis of the pile hole 11.

[0040] During measurement, the suspension rope 1 is released, and the probe cage 7 is stably lowered into the pile hole 11 using the pulley 10. The spokes 5 of the probe cage 7 move downwards along the hole wall of the pile hole 11. When the probe 3 contacts the bottom of the pile hole 11, it retracts into the check groove 4. At this time, the probe cage 7 continues to be lowered until the lower tray 6 contacts the upper surface of the sediment. Then, the probe cage 7 comes to a stop, and the probe 3 no longer retracts into the check groove 4. At this point, the length of the probe 3 protruding from the lower tray 6 is the thickness of the sediment in the hole, which can be read directly through the scale lines on the probe 3.

[0041] Meanwhile, during the lowering of the detection cage 7, if there is an error in the verticality of the pile hole 11, it will affect the verticality of the detection cage 7 through the spokes 5, thereby forming an angle between the suspension rope 1 and the angle 0 point 9 in the angle indicator 8. This angle is the hole verticality, and the angle value can be directly read through the angle scale line on the angle indicator 8.

[0042] For the same pile hole, the device of the present invention can be rotated 90° to perform a second measurement. The maximum value of the two measurements is taken, and the maximum value of the hole sediment thickness and hole verticality is taken as the final measurement value to complete the hole measurement work.

[0043] The above are merely preferred embodiments of the present invention and are not intended to limit the scope of protection of the invention. Therefore, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. An integrated device for measuring the verticality of bored piles and the thickness of sediment, characterized in that: The device includes a support (2), a probe (3), an angle measuring component, and a detection cage (7). The support (2) is fixedly erected on the ground around the pile hole (11). The detection cage (7) is suspended inside the support (2) and can be lowered into the pile hole (11) in a lifting manner. The angle measuring component is set between the top of the support (2) and the top of the detection cage (7) and measures the angle between the central axis of the detection cage (7) and the vertical line. The probe (3) is movably set at the bottom center of the detection cage (7). When the detection cage (7) is lowered into the pile hole (11), the probe (3) can contact the bottom of the hole, and the bottom surface of the detection cage (7) can contact the upper surface of the sediment. The probe (3) has a scale line along the axial direction.

2. The integrated device for measuring the verticality of bored piles and the thickness of sediment as described in claim 1, characterized in that: The angle measuring component includes a suspension rope (1), an angle indicator (8), and a pulley (10). The pulley (10) is installed inside the top of the bracket (2). One end of the suspension rope (1) is located on the outside side of the bracket (2), and the other end of the suspension rope (1) is fixedly connected to the top center of the detection cage (7) after passing through the pulley (10), so that the detection cage (7) can be lowered into the pile hole (11) by the suspension rope (1). The angle indicator (8) is located below the pulley (10).

3. The integrated device for measuring the verticality of bored piles and the thickness of sediment as described in claim 2, characterized in that: The angle indicator (8) has a semi-circular structure. The angle measurement range of the angle indicator (8) is -90° to 90°. When the suspension rope (1) is in the vertical direction, the suspension rope (1) is aligned with the angle 0 point (9) of the angle indicator (8).

4. The integrated device for measuring the verticality of bored piles and the thickness of sediment as described in claim 1 or 2, characterized in that: The bottom surface of the detection cage (7) is provided with a lower tray (6). When the detection cage (7) is lowered into the pile hole (11), the bottom surface of the lower tray (6) can adhere to the upper surface of the sediment.

5. The integrated device for measuring the verticality of bored piles and the thickness of sediment as described in claim 4, characterized in that: The lower tray (6) is provided with a backflow preventer groove (4) at the center. The upper end of the probe (3) is movably installed in the backflow preventer groove (4) so ​​that the probe (3) can retract into the backflow preventer groove (4) and the lower end of the probe (3) can contact the bottom of the hole.

6. The integrated device for measuring the verticality of bored piles and the thickness of sediment as described in any one of claims 1, 2, and 4, characterized in that: The side surface of the detection cage (7) is provided with several spokes (5) spaced apart. The outer diameter of the detection cage (7) is consistent with the diameter of the pile hole (11), so that when the detection cage (7) is lowered into the pile hole (11), the spokes (5) can fit against the hole wall of the pile hole (11).

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