CN217717616U

CN217717616U - Concrete pier stability detection device for deep foundation pit excavation

Info

Publication number: CN217717616U
Application number: CN202221246130.XU
Authority: CN
Inventors: 邓松枝; 王勇; 司徒宏业; 李雄斌; 胡福伦; 邝任扬
Original assignee: Guangdong Juyuan Construction Group Co ltd; Guangdong Yaonan Construction Group Co ltd
Current assignee: Guangdong Juyuan Construction Group Co ltd; Guangdong Yaonan Construction Group Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-11-01
Anticipated expiration: 2032-05-19

Abstract

The application discloses a concrete pier stability detection device for deep foundation pit excavation, which comprises a bottom plate and two stand columns arranged on the bottom plate, wherein the two stand columns are vertically arranged, a connecting strip is arranged between the two stand columns, and a first driving assembly for driving the connecting strip to slide along the length direction of the stand columns is arranged on the stand columns; the connecting strip is provided with an ultrasonic nondestructive detector, and the connecting strip is provided with a second driving piece component for driving the ultrasonic nondestructive detector to move along the length direction of the connecting strip. This application has the effect that improves concrete pier quality stability detection efficiency.

Description

Concrete pier stability detection device for deep foundation pit excavation

Technical Field

The utility model belongs to the technical field of the technique of foundation ditch excavation and specifically relates to a concrete pier stability detection device of deep foundation ditch excavation is related to.

Background

In the construction of a foundation, a deep foundation pit needs to be dug on the ground, and then a concrete pier is constructed in the foundation pit to improve the bearing capacity of the foundation. After the foundation pit concrete pier construction is finished, the stability of the concrete pier needs to be detected, namely whether hollowing, cracks and the like exist in the concrete pier is detected.

At present, the quality of a concrete pier is mostly detected by using an ultrasonic nondestructive detector commonly used. The ultrasonic detection method belongs to nondestructive detection, and can detect whether the concrete pier has defects on the premise of not damaging the structure of the concrete pier and give information such as the size, the position and the like of the defects. The ultrasonic nondestructive detector comprises a processing terminal, an ultrasonic transmitter, an ultrasonic receiver and other components. When the detection is carried out, the detection is carried out in a multi-point detection mode, and if the oscillogram at a certain position is abnormal, the quality defect of the concrete pier at the position is indicated.

However, when the height of the concrete pier is high, if the manual handheld ultrasonic nondestructive detector is used for detection, the escalator is needed for measurement, and the number of detection points is large, so that the escalator needs to be frequently climbed, and the detection efficiency is low. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides a concrete pier stability detection device of deep basal pit excavation.

The application provides a pair of concrete pier stability detection device of deep basal pit excavation adopts following technical scheme:

a concrete pier stability detection device for deep foundation pit excavation comprises a bottom plate and two stand columns arranged on the bottom plate, wherein the two stand columns are vertically arranged, a connecting strip is arranged between the two stand columns, and a first driving assembly for driving the connecting strip to slide along the length direction of the stand columns is arranged on each stand column; the connecting strip is provided with an ultrasonic nondestructive detector, and the connecting strip is provided with a second driving assembly for driving the ultrasonic nondestructive detector to move along the length direction of the connecting strip.

By adopting the technical scheme, when the quality stability of the concrete pier is detected, the detection device is arranged beside the concrete pier, then the ultrasonic nondestructive detector is used for detecting the concrete structure of the detection point, if the oscillogram at the point is normal, the quality of the concrete structure of the detection point reaches the standard, otherwise, the quality is abnormal. When the position of the ultrasonic nondestructive detector needs to be changed, the height of the ultrasonic nondestructive detector can be adjusted through the first driving assembly, the horizontal position of the ultrasonic nondestructive detector can be adjusted through the second driving assembly, multi-point detection can be conveniently carried out, and the detection result is more accurate. Meanwhile, workers do not need to climb the escalator, so that the detection efficiency is improved, and the construction danger is reduced.

Preferably, the first driving assembly comprises a first motor installed at the lower end of the installation upright post, a first belt wheel is fixedly sleeved on an output shaft of the first motor, a second belt wheel is rotatably connected to the upper end of the upright post, a first synchronous belt is sleeved between the first belt wheel and the first belt wheel, and the connecting strip is fixedly connected with the first synchronous belt.

Through adopting above-mentioned technical scheme, when the height of need adjustment ultrasonic nondestructive test appearance, first band pulley rotation is ordered about in the operation of first motor to order about first synchronous belt and rotate, first synchronous belt drives the connection and removes at the rotation in-process, thereby drives the ultrasonic nondestructive test appearance and removes, just reversing through controlling first motor, can change the height of ultrasonic nondestructive test appearance.

Preferably, one side fixedly connected with slider of hold-in range, the stand is opened along length direction has the spout, the slider is pegged graft in the spout and along the length direction and the stand sliding connection of spout, slider and connecting strip fixed connection.

Through adopting above-mentioned technical scheme for the connecting strip is more steady at the in-process that removes along the length direction of stand.

Preferably, the second drive assembly is including removing the seat and installing the drive wheel on removing the seat, the upper surface of connecting strip has the guide rail along the length direction sunken of connecting strip, the drive wheel slides and sets up in the guide rail, ultrasonic nondestructive detector installs on removing the seat.

By adopting the technical scheme, when the position of the ultrasonic nondestructive detector in the horizontal direction needs to be adjusted, the driving wheel rotates to drive the moving seat to move along the length direction of the guide rail, so that the position of the ultrasonic nondestructive detector in the horizontal direction is changed.

Preferably, the moving seat is further provided with a marking device, the marking device comprises a movable plate arranged on the moving seat, the movable plate is provided with a painting brush and a third driving assembly for driving the painting brush to draw a circle, and the moving seat is provided with a driving piece for driving the movable plate to move along the length direction perpendicular to the connecting strips.

By adopting the technical scheme, after the ultrasonic nondestructive detector detects that the quality defect exists at the corresponding detection point of the concrete pier, the movable plate is driven to move by the driving part until the painting brush is in contact with the surface of the concrete pier, and then the painting brush is driven to draw a circle by the third driving component, so that the quality defect is marked for subsequent remediation.

Preferably, the third driving assembly comprises a second motor installed on the movable plate, an output shaft of the second motor is fixedly connected with a turntable, and the painting brush is eccentrically arranged on the turntable.

By adopting the technical scheme, the second motor operates to drive the turntable to rotate, and the painting brush and the turntable are eccentrically arranged, so that the painting brush can draw a circle on the concrete pier, and then the quality defect position is drawn.

Preferably, the paintbrush is detachably connected with the turntable.

By adopting the technical scheme, the painting brush is convenient to replace.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the height of the ultrasonic nondestructive detector is adjusted through the first driving assembly, and the position of the ultrasonic nondestructive detector in the horizontal direction is adjusted through the second driving assembly, so that the multipoint detection of the concrete pier is facilitated, and the detection efficiency is improved;

2. this application still marks the quality defect department on with the concrete pier through mark device to convenient follow-up remedy.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present application;

FIG. 2 is an enlarged schematic view of A of FIG. 1 of the present application;

FIG. 3 is a schematic view of the structure of the nondestructive ultrasonic testing apparatus of the present application mounted on a connecting bar;

fig. 4 is a schematic structural view of a second drive assembly and a marking device in the present application.

Description of the reference numerals:

1. concrete piers; 2. a base plate; 3. a column; 4. a groove; 5. a connecting strip; 6. a first drive assembly; 61. a first motor; 62. a first pulley; 63. a second pulley; 64. a synchronous belt; 7. an ultrasonic nondestructive detector; 8. a second drive assembly; 81. a movable seat; 82. a drive wheel; 9. a slider; 10. a chute; 11. a guide rail; 12. a convex strip; 13. a guide groove; 14. a marking device; 141. a movable plate; 142. painting brushes; 143. an electric cylinder; 144. a third drive assembly; 1441. a second motor; 1442. a turntable; 15. and (7) fixing the plate.

Detailed Description

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship, unless otherwise specified.

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses concrete pier stability detection device of deep basal pit excavation is used for the cross-section to be polygonal concrete pier 1 more. Referring to fig. 1, the foundation pit fixing device comprises a bottom plate 2, wherein anchor bolts are arranged at four corners of the bottom plate 2 so as to fix the bottom plate 2 at the bottom of a foundation pit. The upper surface of the bottom plate 2 is fixedly connected with two upright posts 3, and the two upright posts 3 are arranged vertically. The opposite side of two stands 3 all opens flutedly 4 along length direction, is provided with connecting strip 5 between two stands 3, and connecting strip 5 pegs graft in flutedly 4 and with stand 3 sliding connection, is provided with the first drive assembly 6 of driving about connecting strip 5 along the length direction removal of stand 3 on one of them stand 3. The connecting strip 5 is provided with an ultrasonic nondestructive detector 7, and the connecting strip 5 is provided with a second driving assembly 8 for driving the ultrasonic nondestructive detector 7 to move along the length direction of the connecting strip 5. The height of the ultrasonic nondestructive detector 7 can be adjusted through the first driving component 6, and the position of the ultrasonic nondestructive detector 7 in the horizontal direction can be adjusted through the second driving component 8, so that the ultrasonic nondestructive detector 7 can be conveniently utilized for multi-point detection on the concrete pier 1, and the detection efficiency is improved.

Referring to fig. 1 and 2, the first driving assembly 6 includes a first motor 61 mounted at the lower end of one of the columns 3, a first pulley 62 is fixedly connected to an output shaft of the first motor 61, a second pulley 63 is mounted at the upper end of the column 3, the second pulley 63 is rotatably disposed relative to the column 3, and an axis of the second pulley 63 is parallel to an axis of the first pulley 62 and is located in the same vertical plane. Synchronous belt 64 is sleeved between first belt pulley 62 and second belt pulley 63, one side fixedly connected with slider 9 that synchronous belt 64 is close to stand 3, one side that stand 3 is close to synchronous belt 64 is opened along length direction and is supplied slider 9 male spout 10, spout 10 and recess 4 intercommunication, slider 9 peg graft in spout 10 and with stand 3 sliding connection, slider 9 inserts recess 4's one end and 5 fixed connection of connecting strip. The synchronous belt 64 can be driven to rotate towards the opposite direction by controlling the first motor 61 to rotate forwards and backwards, so that the heights of the sliding block 9 and the connecting strip 5 are adjusted, and the height of the ultrasonic nondestructive detector 7 is adjusted.

Referring to fig. 3 and 4, the second driving assembly 8 includes a moving block 81 and a driving wheel 82 installed at the bottom of the moving block 81, and the ultrasonic nondestructive inspection apparatus 7 is installed at the upper surface of the moving block 81. The drive wheel 82 is a self-powered and motor-driven drive wheel 82, which is common in the mechanical arts and will not be described in detail here. The upper surface of the connecting bar 5 is recessed with a guide rail 11 along the length direction of the connecting bar 5, and the driving wheel 82 is slidably disposed in the guide rail 11. Remove seat 81 and be the setting of U type, remove the equal protruding sand grip 12 that is equipped with in two relative one sides of pterygoid lamina of seat 81, the lateral wall of gib block is sunken along length direction has guide way 13, and sand grip 12 slides and pegs graft in guide way 13. Through setting up sand grip 12 and guide way 13 for drive wheel 82 moves the back, and it is more steady to remove seat 81, thereby is convenient for adjust the position in ultrasonic nondestructive detector 7 horizontal position, cooperates first drive assembly 6, makes things convenient for ultrasonic nondestructive detector 7 to carry out the multiple spot and detects.

The upper surface of the movable seat 81 is also provided with a marking device 14, and the marking device 14 is used for marking the defect position of the quality of the concrete pier 1 so as to carry out repair and remediation later.

Referring to fig. 3 and 4, the marking device 14 includes a movable plate 141 disposed on the movable base 81, a driving member for driving the movable plate 141 to move in a direction perpendicular to the length direction of the connection bar 5, a brush 142 disposed on the movable plate 141, and a third driving assembly 144 for driving the brush 142 to draw a circle.

Referring to fig. 4, the driving member is an electric cylinder 143, the fixed plate 15 is fixedly connected to the upper surface of the movable plate 141, the fixed plate 15 is arranged along the length direction of the connecting bar 5, the cylinder body of the electric cylinder 143 is vertically and fixedly connected to the fixed plate 15, and the piston rod of the electric cylinder 143 is fixedly connected to the movable plate 141. The third driving assembly 144 includes a second motor 1441 mounted on the movable plate 141, an output shaft of the second motor 1441 penetrates the movable plate 141 and is fixedly connected with a turntable 1442, the painting brush 142 is mounted on the turntable 1442, the painting brush 142 is eccentrically distributed on the turntable 1442, and a tip of the painting brush 142 is disposed away from the second motor 1441.

When the ultrasonic nondestructive detector 7 detects that a concrete structure at a certain position has defects such as hollowing or cracks, the driving wheel 82 drives the moving seat 81 to move until the marking device 14 is opposite to the defect position, then the electric cylinder 143 drives the moving plate to move forward until the pen point of the painting brush 142 is in contact with the surface of the concrete pier 1, then the second motor 1441 operates to drive the turntable 1442 to rotate, and the painting brush 142 circles out the quality defect on the concrete pier 1 in the process of rotating along with the turntable 1442 so as to be repaired and repaired subsequently.

And brush 142 is removably attached to carousel 1442 to facilitate replacement of brush 142. Specifically, in this embodiment of the application, the housing of the brush 142 is provided with an external thread, the turntable 1442 is provided with a threaded hole matched with the housing of the brush 142, and the brush 142 is in threaded connection with the turntable 1442 through the threaded hole.

The application discloses a concrete pier stability detection device of deep basal pit excavation's theory of operation does: when the quality stability inspection is performed for the concrete pier 1, the ground around the concrete pier 1 is leveled, and then the inspection device is arranged on one side of the concrete pier 1. Then, a plurality of detection points are selected on the concrete pier 1, and the height and the horizontal position of the ultrasonic nondestructive detector 7 are adjusted through the first driving assembly 6 and the second driving assembly 8, so that multi-point detection is convenient to perform, and the detection efficiency is improved. When the ultrasonic nondestructive detector 7 detects that a concrete structure at a certain position has a defect, the marking device 14 is used for marking the defect position so as to carry out repair and remediation in the following process.

Claims

1. The utility model provides a concrete pier stability detection device of deep basal pit excavation which characterized in that: the device comprises a bottom plate (2) and two upright posts (3) arranged on the bottom plate (2), wherein the two upright posts (3) are both vertically arranged, a connecting strip (5) is arranged between the two upright posts (3), and a first driving assembly (6) for driving the connecting strip (5) to slide along the length direction of the upright posts (3) is arranged on each upright post (3); the ultrasonic nondestructive testing device is characterized in that an ultrasonic nondestructive testing instrument (7) is arranged on the connecting strip (5), and a second driving assembly (8) driving the ultrasonic nondestructive testing instrument (7) to move along the length direction of the connecting strip (5) is arranged on the connecting strip (5).

2. The device for detecting the stability of the concrete pier excavated by the deep foundation pit as claimed in claim 1, wherein: the first driving assembly (6) comprises a first motor (61) installed at the lower end of an installation upright post (3), a first belt wheel (62) is fixedly sleeved on an output shaft of the first motor (61), the upper end of the upright post (3) is rotatably connected with a second belt wheel (63), a first synchronous belt (64) is sleeved between the first belt wheel (62) and the first belt wheel (62), and the connecting strip (5) is fixedly connected with the first synchronous belt (64).

3. The device for detecting the stability of the concrete pier excavated in the deep foundation pit according to claim 2, characterized in that: one side fixedly connected with slider (9) of hold-in range (64), stand (3) are opened along length direction has spout (10), slider (9) are pegged graft in spout (10) and along the length direction and the stand (3) sliding connection of spout (10), slider (9) and connecting strip (5) fixed connection.

4. The device for detecting the stability of the concrete pier excavated by the deep foundation pit as claimed in claim 1, wherein: second drive assembly (8) are including removing seat (81) and installing drive wheel (82) on removing seat (81), the length direction of connecting strip (5) is followed to the upper surface of connecting strip (5) is sunken to have guide rail (11), drive wheel (82) slide and set up in guide rail (11), ultrasonic nondestructive test appearance (7) are installed on removing seat (81).

5. The device for detecting the stability of the concrete pier excavated by the deep foundation pit as claimed in claim 4, wherein: the movable base (81) is further provided with a marking device (14), the marking device (14) comprises a movable plate (141) arranged on the movable base (81), a painting brush (142) and a third driving assembly (144) for driving the painting brush (142) to draw a circle are arranged on the movable plate (141), and a driving piece for driving the movable plate (141) to move in the direction perpendicular to the connecting strip (5) is arranged on the movable base (81).

6. The device for detecting the stability of the concrete pier excavated in the deep foundation pit according to claim 5, characterized in that: the third driving assembly (144) comprises a second motor (1441) mounted on the movable plate (141), an output shaft of the second motor (1441) is fixedly connected with a rotary plate (1442), and the painting brush (142) is eccentrically arranged on the rotary plate (1442).

7. The device for detecting the stability of the concrete pier excavated by the deep foundation pit as claimed in claim 6, wherein: the paintbrush (142) is detachably connected with the turntable (1442).