CN218346283U

CN218346283U - Measuring device for displacement and internal force of pile foundation

Info

Publication number: CN218346283U
Application number: CN202222427062.3U
Authority: CN
Inventors: 秦卫生; 陈超亚; 李会强; 刘新新; 阳峰
Original assignee: Anhui Guangyuan Foundation Engineering Co ltd
Current assignee: Anhui Guangyuan Foundation Engineering Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-01-20
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a measuring device of pile foundation displacement and internal force belongs to pile foundation measurement technical field, the camera includes a supporting plate, first spout has been seted up to the inside symmetry of backup pad, the inside of first spout is equipped with the monitoring piece, the inside sliding connection of monitoring piece has the displacement measurement pole, the lower extreme fixedly connected with installation piece of displacement measurement pole, installation piece inboard is equipped with the fixed plate, the inside of fixed plate is equipped with self tapping steel nail, the upper surface symmetry of backup pad articulates there is the hinge bar, the gliding keyway of confession articulated shaft is seted up to the side surface of hinge bar, the lower surface of hinge bar articulates there is the bracing piece, the bracing piece is located the both sides of backup pad, the one end of hinge bar is equipped with stop gear. The operation steps of internal force measurement of the pile foundation are reduced, time and labor are saved, then internal force measurement and displacement measurement can be carried out on the pile foundation simultaneously, convenience and rapidness are achieved during use, the measurement efficiency of workers is improved, meanwhile, real-time observation can also be carried out on the displacement of the pile foundation, and the displacement measurement error of the pile foundation is reduced.

Description

Measuring device for displacement and internal force of pile foundation

Technical Field

The utility model relates to a measuring device of pile foundation displacement and internal force belongs to pile foundation measurement technical field.

Background

Deep foundations (see the figure) consisting of piles and pile caps (referred to as caps for short) connecting pile tops or single-pile foundations, referred to as pile foundations for short, connecting piles with piles. If the pile body is completely buried in the soil and the bottom surface of the bearing platform is contacted with the soil body, the pile body is called a low bearing platform pile foundation; when the upper part of the pile body is exposed out of the ground and the bottom of the pile cap is positioned above the ground, the pile body is called a high pile cap pile foundation. Building pile foundations are typically low cap pile foundations. In high-rise buildings, pile foundations are widely applied.

The pile foundation is also the basis of building, its quality has strict requirement, need carry out a lot of detections to the pile foundation after pouring, wherein two important projects are exactly displacement and internal force detection, present pile foundation displacement and internal force measuring device still have certain not enough, at first need a lot of stone heavy object pressures to measure the pile foundation on the pile foundation when the internal force to the pile foundation detects, this in-process is more time-consuming and energy-consuming, and more troublesome inconvenient staff operates, secondly the displacement measurement and the internal force measurement of pile foundation need different two sets of equipment, consequently, prolonged the measurement process when measuring the foundation pile, and can not trail in real time when measuring the pile foundation, consequently, the error of measuring the pile foundation displacement has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pile foundation displacement and measuring device of internal force in order to solve the above-mentioned problem, avoid using a lot of stones to carry out the internal force measurement to the pile foundation, the internal force measuring operation of pile foundation has been reduced, and labour saving and time saving relatively, secondly can carry out internal force measurement and displacement measurement to the pile foundation simultaneously, avoid using two sets of measuring tool to measure it, more convenient and fast during the use, and staff's measurement of efficiency has been improved, can also observe the displacement of pile foundation in real time simultaneously, consequently, the displacement measurement error of pile foundation has been reduced.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a measuring device of pile foundation displacement and internal force, the camera includes a supporting plate, first spout has been seted up to the inside symmetry of backup pad, and the inside of first spout is equipped with the monitoring piece, the inside sliding connection of monitoring piece has the displacement measurement pole, and the lower extreme fixedly connected with installation piece of displacement measurement pole, installation piece inboard is equipped with the fixed plate, and the inside of fixed plate is equipped with self tapping steel nail, the upper surface symmetry of backup pad articulates there is the hinge bar, the gliding keyway of confession articulated shaft is seted up to the side surface of hinge bar, and the lower surface of hinge bar articulates there is the bracing piece, the bracing piece is located the both sides of backup pad, the one end of hinge bar is equipped with stop gear, the lower fixed surface of backup pad is connected with the hydraulic press, and the lower extreme fixedly connected with pressure sensor of hydraulic press.

Preferably, a second sliding groove is formed in the inner side wall of the first sliding groove, a sliding block is connected to the inner portion of the second sliding groove in a sliding mode, and one side surface of the sliding block is fixedly connected with the monitoring block.

Preferably, adjustment mechanism includes the screw thread telescopic link, and the upper end of screw thread telescopic link is articulated with the one end of hinge bar, the lower extreme of screw thread telescopic link rotates and is connected with the carousel, and the lower surface handing-over of carousel has the diaphragm, one side of diaphragm and the outside fixed surface of bracing piece are connected.

Preferably, the inner side surface of the mounting block is fixedly connected with a screw, and one end of the screw penetrates through the fixing plate and is connected with a nut in a threaded manner.

Preferably, the side surface of the displacement measuring rod is provided with millimeter scale marks, and the upper end of the displacement measuring rod is fixedly connected with a limiting block.

The utility model has the advantages that: the utility model discloses a set up the pressure sensor through the backup pad lower surface, the adjustment mechanism that articulated hinge bar and hinge bar one end of hydraulic press and backup pad upper surface set up, avoid using a lot of aggravate stones when measuring the pile foundation, the internal force measuring's of pile foundation operating procedure has been reduced, and labour saving and time saving is than secondly can survey the displacement of pile foundation in real time through the inside monitoring block of first spout and the inside displacement measurement pole of monitoring block, consequently, the displacement measurement error of pile foundation has been reduced, avoid using two sets of measuring tool to measure it simultaneously, more convenient and fast during the use, and staff's measurement of efficiency has been improved.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic bottom view of the present invention;

fig. 3 is an enlarged schematic structural diagram of the position B of the present invention.

In the figure: the device comprises a supporting plate 1, a first sliding groove 2, a displacement measuring rod 3, a hinge rod 4, a threaded telescopic rod 6, a rotary table 7, a transverse plate 8, a supporting rod 9, a fixing plate 10, an installation block 11, a self-tapping steel nail 12, a pressure sensor 13, a hydraulic machine 14, a nut 15, a screw rod 16, a monitoring block 17, a second sliding groove 18 and a sliding block 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a device for measuring displacement and internal force of a pile foundation comprises a supporting plate 1, wherein first sliding grooves 2 are symmetrically formed in the supporting plate 1, monitoring blocks 17 are arranged in the first sliding grooves 2, displacement measuring rods 3 are slidably connected to the monitoring blocks 17, mounting blocks 11 are fixedly connected to the lower ends of the displacement measuring rods 3, fixing plates 10 are arranged on the inner sides of the mounting blocks 11, self-tapping steel nails 12 are arranged in the fixing plates 10, hinge rods 4 are symmetrically hinged to the upper surface of the supporting plate 1, key grooves for sliding hinge shafts are formed in the side surfaces of the hinge rods 4, supporting rods 9 are hinged to the lower surfaces of the hinge rods 4, the supporting rods 9 are located on two sides of the supporting plate 1, limiting mechanisms are arranged at one ends of the hinge rods 4, hydraulic presses 14 are fixedly connected to the lower surface of the supporting plate 1, and pressure sensors 13 are fixedly connected to the lower ends of the hydraulic presses 14.

As a technical optimization scheme, second spout 18 has been seted up to the inside wall of first spout 2, and the inside sliding connection of second spout 18 has slider 19, a side surface and the monitoring block 17 fixed connection of slider 19 conveniently adjust the interval of the inside monitoring block 17 of first spout 2 through the inside second spout 18 of first spout 2 and slider 19, consequently make things convenient for the fixed plate 10 of 3 lower extremes of displacement measuring stick to measure the foundation pile of unidimensional not.

As the utility model discloses a technical optimization scheme, adjustment mechanism includes threaded telescopic rod 6, and threaded telescopic rod 6's upper end is articulated with the one end of hinge bar 4, threaded telescopic rod 6's lower extreme rotates and is connected with carousel 7, and the lower surface handing-over of carousel 7 has diaphragm 8, one side of diaphragm 8 and bracing piece 9's outside fixed surface are connected, can adjust the height of backup pad 1 through threaded telescopic rod 6 and carousel 7 among the 4 one end adjustment mechanisms of hinge bar, secondly can support backup pad 1 to make 14 effectual pressurizations to the pile foundation of hydraulic press.

As a technical optimization scheme of the utility model, the inboard fixed surface of installation piece 11 is connected with screw rod 16, and screw rod 16's one end passes fixed plate 10 threaded connection and has nut 15, can change the fixed plate 10 of different shapes through nut 15 and screw rod 16, makes when consequently making fixed plate 10 and the more stable connection of foundation pile be in the same place when conveniently measuring the pile foundation of different shapes.

As a technical optimization scheme, displacement measurement pole 3's side surface is equipped with millimeter level scale mark, and displacement measurement pole 3's upper end fixedly connected with stopper, can more the degree of accuracy measure the pile foundation displacement, and avoid displacement measurement pole 3 to drop from monitoring block 17's inside simultaneously.

The utility model discloses when using, at first remove the backup pad 1 to the volume of awaiting measuring pile foundation top, then align pressure sensor 13 and pile foundation, later fix the bracing piece 9 of 1 both sides of backup pad on the bottom surface, then screw telescopic rod 6 through adjusting hinge bar 4 both ends, make backup pad 1 lapse until pressure sensor 13 and pile foundation's upper surface laminating, later remove the inside monitoring piece 17 of first spout 2, make the fixed plate 10 of the inside displacement measurement pole 3 lower extreme of monitoring piece 17 be located the both sides of pile foundation, later fixed with the pile foundation through the self tapping steel nail 12 of fixed plate 10 inside, then start the hydraulic press 14 of 1 lower surface of backup pad, consequently, hydraulic press 14 will cause pressure to the pile foundation, consequently, the data that pressure sensor 13 detected out then is the internal force that bears of pile foundation, will real-time recording displacement measurement pole 3 displacement at hydraulic press 14 to pile foundation extruded in-process monitoring piece 17, consequently, can measure the fore-and-aft displacement of pile foundation, when needs are circular, nut 15 through dismantling 16 one end of screw rod then the fixed plate 10 alright change the arc pile foundation and measure.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a measuring device of pile foundation displacement and internal force, includes backup pad (1), its characterized in that: first spout (2) have been seted up to the inside symmetry of backup pad (1), and the inside of first spout (2) is equipped with monitoring block (17), monitoring block's (17) inside sliding connection has displacement measurement pole (3), and displacement measurement pole (3) lower extreme fixedly connected with installation piece (11), installation piece (11) inboard is equipped with fixed plate (10), and the inside of fixed plate (10) is equipped with self tapping steel nail (12), the upper surface of backup pad (1) is equipped with hinge bar (4), the keyway that supplies the articulated shaft gliding is seted up to the side surface of hinge bar (4), and the lower surface of hinge bar (4) articulates there is bracing piece (9), bracing piece (9) are located the both sides of backup pad (1), the one end of hinge bar (4) is equipped with adjustment mechanism, the lower fixed surface of backup pad (1) is connected with hydraulic press (14), and the lower extreme fixedly connected with pressure sensor (13) of hydraulic press (14).

2. A device for measuring pile foundation displacement and internal force according to claim 1, wherein: second spout (18) have been seted up to the inside wall of first spout (2), and the inside sliding connection of second spout (18) has slider (19), a side surface and monitoring block (17) fixed connection of slider (19).

3. A device for measuring pile foundation displacement and internal force according to claim 1, wherein: adjustment mechanism includes screw thread telescopic link (6), and the upper end of screw thread telescopic link (6) is articulated with the one end of articulated arm (4), the lower extreme of screw thread telescopic link (6) rotates and is connected with carousel (7), and the lower surface handing-over of carousel (7) has diaphragm (8), the outside fixed surface of one side and bracing piece (9) of diaphragm (8) is connected.

4. A device for measuring pile foundation displacement and internal force according to claim 1, wherein: the inner side surface of the mounting block (11) is fixedly connected with a screw rod (16), and one end of the screw rod (16) penetrates through the fixing plate (10) and is connected with a nut (15) in a threaded mode.

5. A device for measuring pile foundation displacement and internal force according to claim 1, wherein: the side surface of the displacement measuring rod (3) is provided with millimeter scale lines, and the upper end of the displacement measuring rod (3) is fixedly connected with a limiting block.