CN113981841A - Curved surface pier column tapping sampling grouting reinforcement device and reinforcement method - Google Patents

Abstract

The invention discloses a curved pier stud tapping sampling grouting reinforcement device and a reinforcement method, belonging to the technical field of core hole repair, and comprising a plugging plate, wherein the plugging plate is connected with a grouting channel and a slurry discharge device, the slurry discharge device comprises a main pipeline, one end of the main pipeline is open, and the other end of the main pipeline is closed; the adjacent open end of trunk line and first auxiliary pipeline intercommunication, the adjacent blind end of trunk line and second auxiliary pipeline intercommunication, first auxiliary pipeline and trunk line junction set up ejection of compact tee bend ball, and the adjacent first auxiliary pipeline department of trunk line sets up first ball valve, sets up the second ball valve in the second auxiliary pipeline.

Description

Curved surface pier column tapping sampling grouting reinforcement device and reinforcement method

Technical Field

The invention relates to the technical field of pier stud reinforcement, in particular to a curved surface pier stud tapping sampling grouting reinforcement device and a reinforcement method.

Background

The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.

Pier stud, the lower bearing weight that is used for bearing superstructure in civil engineering. The pier stud section is mostly circular, also has anisotropic pier studs such as ellipse, square, curvilinear figure, parabola, etc., is an important component in the projects such as bridges such as highway bridges, railway bridges, sidewalks, etc., overpasses, ramp bridges, overpasses, etc.

The pier stud is used as an important component of the bridge, and the appearance design and quality management of the pier stud have profound influence on the overall stability of the bridge. Therefore, need detect its intensity etc. and all adopt the drilling to get the core mode to go on generally, but the hole that leaves on the pier stud surface after the drilling can cause the damage to its performance, and this just needs to get the core back hole to the drilling and grout the reinforcement.

The traditional grouting reinforcement mode is to fill grouting material into the holes until certain strength is reached, and then grind and flatten the holes. However, the inventor finds that most of the existing reinforcing methods are used for repairing a plane concrete wall, and a large number of problems exist when the repairing method meets the hole repairing of a pier column in a curved surface form. On one hand, the existing grouting reinforcement device can not adapt to the arc surface, can not avoid the outflow of slurry, and can not effectively monitor whether large bubbles exist in grouting material in the hole, so that the misjudgment of whether the grouting material is sufficient occurs, and the repairing effect of the hole is poor; on the other hand, the existing reinforcing device is mostly attached to the surface of the concrete structure by manpower during installation, and the installation is difficult and the surface of the concrete structure is easy to damage.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a curved pier column open hole sampling grouting reinforcement device and a reinforcement method, wherein a plugging plate capable of changing curvature is arranged, so that a repairing device can be arranged on structures with different curvatures; can discharge the gas that grout in-process produced through arranging thick liquid mechanism, avoid the grout insufficient, solve current hole patching device and can't adapt to curved surface concrete structure and can't effectively monitor the problem whether the material is abundant of irritating.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the invention provides a curved pier column tapping sampling grouting reinforcement device which comprises a plugging plate, wherein the plugging plate is connected with a grouting channel and a slurry discharge device, the slurry discharge device comprises a main pipeline, one end of the main pipeline is open, and the other end of the main pipeline is closed; the adjacent open end of trunk line and first auxiliary pipeline intercommunication, the adjacent blind end of trunk line and second auxiliary pipeline intercommunication, first auxiliary pipeline and trunk line junction set up ejection of compact tee bend ball, and the adjacent first auxiliary pipeline department of trunk line sets up first ball valve, sets up the second ball valve in the second auxiliary pipeline.

As a further technical scheme, the first ball valve is connected with a first spring limiting rod through a first spring, and the first spring limiting rod is arranged along the radial direction of the main pipeline.

As a further technical scheme, the second ball valve is connected with a second spring limiting rod through a second spring, and the second spring limiting rod is arranged along the radial direction of the second auxiliary pipeline.

As further technical scheme, the adjacent blind end of trunk line sets up the carousel, and the carousel sets up along the trunk line axial, and the carousel passes through first connecting rod to be connected with the diaphragm, and the diaphragm is the arcuation and radially sets up along the trunk line.

As a further technical scheme, the joint of the grouting channel and the plugging plate is lower than the joint of the grout discharging device and the plugging plate.

As a further technical scheme, the grouting channel comprises a vertically arranged grouting section, the grouting section is connected with a horizontally arranged discharging section, a three-way pipeline is arranged at the end part of the discharging section, and a grouting three-way ball is arranged at the position of the three-way pipeline.

As a further technical scheme, the plugging plate comprises a first plugging plate, one side of the first plugging plate is provided with a plurality of second plugging plates which are sequentially connected, the other side of the first plugging plate is provided with a plurality of third plugging plates which are sequentially connected, and the end parts of the first plugging plate, the second plugging plate and the third plugging plate are connected through a circular ring connecting piece; the first, second and third closure plates are curved panels.

As a further technical scheme, the plugging plate is connected with a propelling device, the propelling device comprises a first propelling rod, the first propelling rod is in threaded connection with a second propelling rod, the first propelling rod is connected with the plugging plate, and the second propelling rod is connected with a power device; the propelling device is connected with a fixed rod, the fixed rod is fixedly connected with the shell, and a displacement sensor is arranged between the plugging plate and the shell; the shell comprises a first shell, and two ends of the first shell are connected with a plurality of panels which are connected in sequence in a rotating mode.

As a further technical scheme, the shell is fixedly provided with a control device, the control device is communicated with a monitoring mechanism, the monitoring mechanism comprises a second shell and a third shell which are arranged oppositely, a horizontal second connecting rod is connected between the second shell and the third shell, magnets are arranged on the upper portion and the lower portion of the second shell, a metal rod is arranged on the rod body of the second connecting rod, and the end portion of the second connecting rod is connected with the piezoelectric ceramic piece.

In a second aspect, the present invention provides a reinforcing method for the curved pier column open-hole sampling grouting reinforcing device, including the following steps:

sticking a rubber ring on the periphery of a drilling hole of the pier stud, and placing a monitoring mechanism on the surface of the inner upper edge of the drilling hole;

acquiring the distance between the plugging plate and the surface of the pier stud, and adjusting the plugging plate to a set position;

mixing the repairing material, enabling the drilling hole to be communicated with the grouting channel to be grouted into the grouting channel, discharging air by a grout discharging device in the grouting process, and enabling the top of the drilling hole to be communicated with the main pipeline and the second auxiliary pipeline when grout overflows from the grout discharging device to discharge the grout;

after the slurry flows out uniformly, stopping grouting after the monitoring mechanism detects that the slurry is full;

and after the material to be repaired reaches the set strength, removing the whole reinforcing device.

The beneficial effects of the invention are as follows:

the invention is provided with a plurality of plugging plates with certain curvature, so that the whole reinforcing device can be arranged on pier column structures with different curvatures, and the adaptability of the repairing device is improved.

The invention can discharge gas in the grouting process by utilizing the grout discharging mechanism, and judges whether the grouting material in the hole of the drill hole is full and the solidification state of the grout by matching the grout discharging mechanism with the monitoring mechanism, thereby improving the detection accuracy and ensuring the hole repairing quality.

The invention automatically realizes the propulsion of the plugging plate by utilizing the propulsion device, monitors the propulsion distance by utilizing the displacement sensor, ensures the precision of movement, ensures that the reinforcing device can be more stably and tightly attached to the surface of the concrete structure, and avoids the damage of manual compression installation to the surface of the concrete structure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic structural diagram of a housing of a curved pier column open-hole sampling grouting reinforcement device according to one or more embodiments of the invention;

FIG. 2 is a schematic illustration of the internal structure of a grout reinforcement apparatus according to one or more embodiments of the present disclosure;

FIG. 3 is a schematic illustration of a connector configuration of a grout reinforcement apparatus according to one or more embodiments of the present disclosure;

FIG. 4 is a schematic illustration of a plug deck configuration of a grout reinforcement apparatus of the present disclosure according to one or more embodiments;

FIG. 5(a) is a schematic diagram of the overall structure of a grout discharging mechanism of a grouting reinforcement device according to one or more embodiments of the present invention;

FIG. 5(b) is a schematic cross-sectional view illustrating a grout discharging mechanism of a grouting reinforcement device according to one or more embodiments of the present invention in a state that the hole is communicated with air;

FIG. 5(c) is a schematic cross-sectional view illustrating a grout discharging mechanism of a grouting reinforcement device according to one or more embodiments of the present invention in a state that the hole is communicated with the pipeline;

FIG. 5(d) is a schematic cross-sectional view illustrating a grout discharging mechanism of a grouting reinforcement device according to one or more embodiments of the present invention in a state where air is communicated with a pipeline;

FIG. 6(a) is a schematic illustration of a grout channel configuration according to one or more embodiments of the present invention;

FIG. 6(b) is a schematic front view of a grout channel according to one or more embodiments of the present invention;

FIG. 7 is a schematic illustration of a propulsion device of a grout reinforcement according to one or more embodiments of the present disclosure;

FIG. 8 is a schematic diagram of a monitoring mechanism according to one or more embodiments of the present disclosure;

FIG. 9(a) is a schematic diagram showing the variation of the vibration period and output current of the monitoring mechanism of the present invention in air;

FIG. 9(b) is a schematic diagram of the variation of the vibration cycle and output current of the monitoring mechanism of the present invention in the grouting material;

FIG. 9(c) is a schematic diagram showing the variation of the vibration period and output current of the monitoring mechanism after the grouting material of the invention is solidified;

FIG. 10(a) is a schematic view illustrating an initial filling process of the grouting reinforcement device according to the present invention;

FIG. 10(b) is a schematic view illustrating the preliminary filling judgment of grout in the grouting reinforcement device of the present invention;

FIG. 10(c) is a schematic view showing the process of discharging air bubbles from the grouting reinforcement apparatus of the present invention;

FIG. 10(d) is a schematic view of the grouting reinforcement apparatus of the present invention cleaning the pipe;

in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;

wherein, 1, a first shell; 2. a panel; 3. a connecting member; 4. a display and control system; 5. a plugging plate; 6. fixing the rod; 7. a slurry discharge mechanism; 8. grouting a channel; 9. a pull-string type displacement sensor; 10. a propulsion device; 11. a monitoring mechanism; 12. a concrete side wall; 13. drilling holes;

3-1, a first fixed block; 3-2, a second fixed block; 3-3, rotating the rod;

5-1, a first blocking plate; 5-2, a second blocking plate; 5-3, a third plugging plate; 5-4, a stiffening rib; 5-5, connecting the bulges; 5-6, a first conduit aperture; 5-7, a second conduit aperture; 5-8, a circular ring connecting piece;

7-1, a pipeline shell; 7-2, a first ball valve; 7-3, a first spring; 7-4, a first spring limiting rod; 7-5, a second spring limiting rod; 7-6, a second spring; 7-7, a second ball valve; 7-8, a first motor; 7-9, a rotating rod; 7-10, a turntable; 7-11, a first connecting rod; 7-12, a diaphragm; 7-13, discharging three-way round balls; 7-14, a discharging ball position adjusting rod;

8-1, a pipeline main body; 8-2, filling a material three-way round ball; 8-3, adjusting the position of the material filling ball;

10-1, a first push rod; 10-2, a second push rod; 10-3, a second motor; 10-4, connecting holes;

11-1, a second shell; 11-2, a third shell; 11-3, a second connecting rod; 11-4, a metal rod; 11-5, a magnet; 11-6, an electric signal monitoring mechanism; 11-7, signal conversion and transmitter; 11-8, conducting wires; 11-9, piezoelectric ceramic plates; 11-10, an electric signal excitation device; 11-11 and a power supply device.

Detailed Description

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

As introduced in the background art, the existing hole repairing device has the problems that the existing hole repairing device cannot adapt to a curved surface concrete structure and cannot effectively monitor whether the grouting is sufficient or not, and in order to solve the technical problems, the invention provides a curved surface pier column tapping sampling grouting reinforcing device and a reinforcing method.

Example 1

In an exemplary embodiment of the present invention, as shown in fig. 1 to 10, a curved pier column open hole sampling grouting reinforcement device is provided, which comprises a housing, a plugging plate 5, a grout discharge device 7, a grouting passage 8, a propulsion device 10 and a monitoring mechanism 11.

Wherein, the first shell 1, the panel 2 and the connecting piece 3 together form a shell part of the hole repairing device; first casing 1 is the U-shaped structure, and first casing both sides all are connected with panel assembly, and panel assembly comprises a plurality of panels 2 that connect gradually, and first casing 1 rotates with panel 2 through connecting piece 3 to be connected, and panel 2 is equipped with a plurality ofly, also realizes rotating through rotatable connecting piece 3 between panel 2 and the panel 2 and is connected.

The connecting piece 3 is composed of a first fixing block 3-1, a second fixing block 3-2 and a rotating rod 3-3, the first fixing block 3-1 and the second fixing block 3-2 are respectively and fixedly arranged on the adjacent first shell and panel or the adjacent panel and panel, and the first fixing block 3-1 and the second fixing block 3-2 are rotatably connected through the rotating rod 3-3, so that the first shell and the panel or the panel and the panel are rotatably connected, each panel 2 can be attached to the concrete side wall 12, and the shell can better adapt to the curvature of the curved surface structure pier stud.

A fixing rod 6 is installed on the inner side (i.e. the side close to the outer surface of the concrete structure) of the first shell 1, the fixing rod 6 is used for connecting the shell with the plugging plate 5, specifically, one side of the propelling device 10 is fixedly connected with the plugging plate 5, and the middle position of the propelling device 10 is connected with the fixing rod 6.

Wherein, the propulsion device 10 comprises a first propulsion rod 10-1, a second propulsion rod 10-2, a second motor 10-3 and a connecting hole 10-4. One end of the first push rod 10-1 close to the plugging plate 5 is provided with a connecting hole 10-4 for connecting the first push rod 10-1 with the plugging plate 5, and the other end is provided with internal threads for connecting the second push rod 10-2.

In the embodiment, the end part of the first push rod 10-1 is made into a round corner cutting structure, so that the connection with the plugging plate 5 is facilitated on one hand, and the rotation of the plugging plate 5 is facilitated to adapt to the curvature of the concrete structure on the other hand.

One end of the second push rod 10-2 connected with the first push rod 10-1 is provided with an external thread matched with the first push rod 10-1, the other end of the second push rod 10-2 is provided with a polygonal hole and connected with a second motor 10-3, and the rotating head of the second motor 10-3 adopts a prism matched with the polygonal hole of the second push rod 10-2.

The side part of the first pushing rod 10-1 is also fixedly connected with the fixed rod 6, so that when the second motor 10-3 rotates, the second pushing rod 10-2 is driven to rotate, the second pushing rod 10-2 drives the first pushing rod 10-1 to translate through the interaction between threads, and the first pushing rod 10-1 pushes the plugging plate to move and simultaneously drives the shell to move through the fixed rod 6.

It is understood that the polygonal hole of the second propulsion shaft 10-2 may be in the form of a polygonal structure such as a triangle, a quadrangle, a pentagon, a hexagon, etc., and the specific structure is selected according to the design requirement, which is not limited herein.

In order to monitor and control the propelling distance of the propelling device 10 and prevent the damage to the outer surface of the concrete structure and the reinforcing device, a stay wire type displacement sensor 9 is arranged to be matched with the propelling device 10.

9 one end of stay-supported displacement sensor and shell fixed connection, the other end is fixed to be set up on closure plate 5, and utilize the wire to be connected with demonstration and control system 4, show and the fixed outside surface that sets up at first casing of control system 4, demonstration and control system 4 can input the distance of closure plate 5 and concrete surface, can utilize the actual propulsion distance of 9 monitoring advancing device 10 of stay-supported displacement sensor, realize advancing device 10 and impel the data-based control of work, the propulsion precision has been improved.

The plugging plate 5 comprises a first plugging plate 5-1, a second plugging plate 5-2 and a third plugging plate 5-3, wherein one first plugging plate 5-1 is arranged at the middle part, a plurality of second plugging plates 5-2 and third plugging plates 5-3 are arranged at two sides of the first plugging plate 5-1 respectively, and the first plugging plate 5-1, the second plugging plate 5-2 and the third plugging plate 5-3 are panels with certain curvature.

And one side of the convex surface of each plugging plate is provided with a stiffening rib 5-4 along the length direction of the plugging plate to prevent the plugging plate 5 from buckling, the middle position of the stiffening rib 5-4 on each plugging plate is provided with a connecting bulge 5-5 connected with a connecting hole 10-4 on a propelling device 10, the connecting bulge 5-5 is provided with a hole, and the plugging plate 5 is connected with the propelling device 10 through a rivet.

The two ends of the first plugging plate 5-1 are respectively provided with a circular bulge, the plate surface of the first plugging plate is provided with a first pipeline hole 5-6 and a second pipeline hole 5-7, the first pipeline hole 5-6 is used for a slurry discharge mechanism 7 to pass through, the second pipeline hole 5-7 is used for a grouting channel 8 to pass through, and the first pipeline hole 5-6 is positioned at the upper part of the second pipeline hole 5-7;

a circular bulge is arranged on the left side of the second blocking plate 5-2, and a circular groove is arranged on the right side of the second blocking plate 5-2, so that the second blocking plate 5-2 and the second blocking plate 5-2 can be conveniently connected with the first blocking plate 5-1;

the right side of the third plugging plate 5-3 is provided with a circular bulge, and the left side is provided with a circular groove, so that the third plugging plate 5-3 and the third plugging plate 5-3 are convenient to connect, and the third plugging plate 5-3 and the first plugging plate 5-1 are convenient to connect.

Circular connecting holes are formed in the positions of the circular protrusions and the circular grooves of the plugging plate 5, and the plugging plate 5 is assembled by using the circular connecting pieces 5-8.

It is understood that the present embodiment is described by way of example in which the second blocking plate 5-2 is disposed on the left side of the first blocking plate 5-1, and the third blocking plate 5-3 is disposed on the right side of the first blocking plate 5-1;

when the second blocking plate 5-2 is arranged on the right side of the first blocking plate 5-1 and the third blocking plate 5-3 is arranged on the left side of the first blocking plate 5-1, the right side of the second blocking plate 5-2 is provided with a circular protrusion, the left side of the second blocking plate 5-2 is provided with a circular groove, the left side of the third blocking plate 5-3 is provided with a circular protrusion, the right side of the third blocking plate is provided with a circular groove, and the arrangement position of the protrusion groove is determined according to the actual situation without excessive limitation.

The grouting channel 8 is arranged between the shell and the plugging plate 5 and penetrates through a second pipeline hole 5-7 on the plugging plate 5 to be communicated with the drilling hole 13, the grouting channel 8 is composed of a pipeline main body 8-1, a filling three-way round ball 8-2 and a filling round ball position adjusting rod 8-3, and the filling three-way round ball 8-2 is arranged at a grouting opening of the pipeline main body 8-1 and is connected with the filling round ball position adjusting rod 8-3.

The grouting channel 8 comprises a material filling section and a material discharging section, wherein the material filling section is vertically arranged, slurry is filled from the top of the material filling section to the inside, the material discharging section is horizontally arranged, the joint of the material filling section and the material discharging section is in smooth transition, and the material discharging section conveys the slurry into the hole of the drill hole; the end part of the discharging section is provided with a three-way pipeline, and the material filling three-way ball 8-2 is arranged at the three-way pipeline;

the three-way ball 8-2 is provided with a three-way passage, and the passage direction of the grouting channel 8 can be adjusted by adjusting the direction of the three-way ball.

The material filling three-way round ball 8-2 is mainly used for adjusting the connection between the grouting pipeline 8 and the drilling hole 13 or the external environment, specifically, in the material filling process, the material filling ball position adjusting rod 8-3 is adjusted, and the material filling three-way round ball 8-2 enables the inside of the drilling hole 13 to be communicated with the inside of the pipeline main body 8-1; after the material filling is finished, the position adjusting rod 8-3 of the material filling round ball is adjusted, and the material filling three-way round ball 8-2 enables the interior of the pipeline main body 8-1 to be communicated with the air.

The first shell 1 is provided with a hole which is positioned on the same horizontal plane with the first pipeline hole 5-6 on the plugging plate 5, and the slurry discharge mechanism 7 passes through the hole on the first shell 1 and the first pipeline hole 5-6 on the plugging plate 5 to be communicated with the drilling hole 13.

The slurry discharging mechanism 7 comprises a pipeline shell 7-1, a first ball valve 7-2, a first spring 7-3, a first spring limiting rod 7-4, a second spring limiting rod 7-5, a second spring 7-6, a second ball valve 7-7, a first motor 7-8, a rotating rod 7-9, a rotating disk 7-10, a first connecting rod 7-11, a diaphragm 7-12, a discharging three-way ball 7-13 and a discharging ball position adjusting rod 7-14.

The pipeline shell 7-1 is composed of a main pipeline, a first auxiliary pipeline and a second auxiliary pipeline, an opening is formed in the right side of the main pipeline and communicated with the drilling hole 13, the left side of the main pipeline is a closed end, a rotary disc 7-10 is arranged inside the main pipeline, and the rotary disc 7-10 is connected with a first motor 7-8 fixedly arranged outside the main pipeline.

It is understood that the left and right sides of the main pipe in the present embodiment are only for easy understanding and are not limited too much.

First auxiliary duct sets up on the upper portion that is close to the trunk line open end, and the second auxiliary duct sets up in the lower part that is close to the trunk line blind end, can carry out the discharge and the cleaning process of bubble discharge, grout liquid through first auxiliary duct, second auxiliary duct.

The joint of the first auxiliary pipeline and the main pipeline forms a three-way pipeline, a discharging three-way round ball 7-13 is arranged inside the joint of the first auxiliary pipeline and the main pipeline, a discharging round ball position adjusting rod 7-14 is arranged outside the corresponding position of the main pipeline, and the position of the discharging three-way round ball 7-13 is adjusted through the discharging round ball position adjusting rod 7-14, so that the pore channel on the discharging three-way round ball 7-13 can be communicated with different pipelines according to actual working conditions.

The discharging three-way round balls 7-13 are provided with three-way passages, and the passage direction of the slurry discharging mechanism can be adjusted by adjusting the direction of the discharging three-way round balls.

A first ball valve 7-2 is arranged at the position of the main pipeline close to the first auxiliary pipeline, and an arc-shaped pipe wall is arranged at the position of the main pipeline corresponding to the first ball valve so as to be reliably matched with the first ball valve; a first spring limiting rod 7-4 is arranged on one side, away from the first auxiliary pipeline, of the first spherical valve 7-2, the first spherical valve 7-2 is connected with the first spring limiting rod 7-4 through a first spring 7-3, and the first spring limiting rod 7-4 is arranged along the radial direction of the main pipeline; a second ball valve 7-7 is arranged in the second auxiliary pipeline, an arc-shaped pipe wall is arranged at the position of the second auxiliary pipeline corresponding to the second ball valve, and the second ball valve 7-7 is connected with a second spring limiting rod 7-5 through a second spring 7-6.

The first spring limiting rod 7-4 and the second spring limiting rod 7-5 can move in the pipeline, but the pipeline is not blocked by the first spring limiting rod and the second spring limiting rod.

A diaphragm 7-12 is arranged in the connection part of the second pipeline and the main pipeline, the diaphragm 7-12 is connected with a rotary table 7-10 through a first connecting rod 7-11, and therefore a first motor 7-9 drives the diaphragm 7-12 to move through the rotary table 7-10.

The diaphragms 7-12 are arc-shaped and are arranged along the radial direction of the main pipeline, the first connecting rods are arranged along the axial direction of the main pipeline, the first connecting rods are eccentrically connected with the rotary table, the rotary table is arranged along the axial direction of the main pipeline, and the rotary table rotates in the axial plane of the main pipeline, so that the diaphragms are driven to axially reciprocate along the main pipeline by the first connecting rods.

This embodiment specifically explains the working method of thick liquid mechanism with three kinds of different operating modes:

when grouting materials, the opening end of the main pipeline is communicated with the drilling hole 13, the discharging ball position adjusting rods 7-14 are rotated, so that the pore passages of the discharging three-way balls 7-13 are respectively communicated with the opening end of the main pipeline and a first auxiliary pipeline, as shown in fig. 5(b), the interior of the drilling hole 13 is communicated with the outside air, and after grouting materials in the drilling hole 13 are full, redundant grouting materials can overflow from the first auxiliary pipeline;

when the grouting material is full, rotating the discharging ball position adjusting rods 7-14 to enable the pore passages of the discharging three-way balls 7-13 to be respectively communicated with the opening end of the main pipeline and the second auxiliary pipeline, as shown in fig. 5(c), at the moment, the joint of the first auxiliary pipeline and the main pipeline is closed, and redundant grouting material can be discharged from the second auxiliary pipeline;

specifically, a first motor 7-8 drives a rotary disc 7-10 to move, when the rotary disc 7-10 stretches a diaphragm 7-12 through a first connecting rod 7-11, a first spring limiting rod 7-4 compresses a first spring 7-3 rightwards, a first spherical valve 7-2 moves rightwards, a gap is generated between the first ball valve 7-2 and a pipeline shell 7-1, slurry enters from the gap at the position of the first spherical valve 7-2, and the second spherical valve 7-7 is clamped; when the rotary disc 7-9 resets the diaphragm 7-12 through the first connecting rod 7-11, the first ball valve 7-2 is reset, the second ball valve 7-7 compresses the second spring 7-6 downwards, and slurry is discharged.

After grouting is completed, the discharging ball position adjusting rods 7-14 are rotated, so that the pore passages of the discharging three-way balls 7-13 are respectively communicated with the first auxiliary pipeline and the second auxiliary pipeline, as shown in fig. 5(d), the first auxiliary pipeline is disconnected from the opening end of the main pipeline, the inside of the main pipeline is communicated with air, and the inside of the pipeline is flushed by clean water.

There may be gas in the grout in-process, only observe the condition of overflowing of grout liquid through first pair pipeline and judge grout plumpness and inaccurate when appearing gas, consequently, this embodiment has still set up monitoring devices 11, through monitoring devices 11 and the cooperation of arranging thick liquid mechanism 7, realizes the accurate judgement of grout plumpness in drilling hole 13.

The monitoring mechanism 11 is composed of a second shell 11-1, a third shell 11-2, a second connecting rod 11-3, a metal rod 11-4, a magnet 11-5, an electric signal monitoring mechanism 11-6, a signal conversion and emitter 11-7, a lead 11-8, a piezoelectric ceramic piece 11-9, an electric signal excitation device 11-10 and a power supply device 11-11.

When the monitoring mechanism 11 is used, the second shell 11-1 is fixedly arranged at the upper edge of the inner wall of the drilling hole 13, the third shell 11-2 is connected with the second shell 11-1, the third shell 11-2 and the second shell are combined together to form an outer shell of the monitoring mechanism 11, the size of the third shell 11-2 is slightly smaller than that of the second shell 11-1, and the third shell 11-2 can move relative to the second shell 11-1.

Two magnets 11-5 are symmetrically arranged at the upper end and the lower end of the inner side wall of the second shell 11-1, an electric signal monitoring mechanism 11-6 and a signal conversion and transmission device 11-7 are fixedly arranged at the upper end of the inner side wall of the second shell 11-1, an electric signal excitation device 11-10 and a power supply device 11-11 are fixedly arranged at the lower end of the inner side wall of the second shell 11-1, and a piezoelectric ceramic piece 11-9 is fixedly arranged on the inner side wall of the closed end of the second shell 11-1.

The second shell 11-1 is connected with the third shell 11-2 through a second connecting rod 11-3, specifically, one end of the second connecting rod 11-3 is connected with a piezoelectric ceramic piece 11-9 on the second shell 11-1, and the other end is connected with the third shell 11-2, a metal rod 11-4 is arranged on the second connecting rod 11-3, and the metal rod 11-4 is connected with an electric signal monitoring mechanism 11-6 through a lead 11-8.

When detection is carried out, the power supply device 11-11 transmits electric quantity to the electric signal excitation device 11-10, the electric signal excitation device 11-10 stimulates the piezoelectric ceramic piece 11-9 to vibrate, and the second connecting rod 11-3 drives the third shell 11-2 and the metal rod 11-4 to move in the vibration process of the piezoelectric ceramic piece 11-9;

when the third shell 11-2 is in different mediums (air, unset grout, set grout), the operation of the third shell 11-2 is hindered to different degrees, the rate of cutting the magnetic induction line by the metal rod 11-4 is changed, further, the current generated inside the metal rod 11-4 is changed, the current is transmitted to the electric signal monitoring mechanism 11-6 through the wire 11-8, the signal conversion and transmission device 11-7 converts the electric signal detected by the electric signal monitoring mechanism 11-6 into a digital signal and transmits the digital signal to the display and control system 4, and the display and control system 4 judges whether grouting is full and the grout is set according to the change rule of the digital signal.

As shown in fig. 9(a), when the monitoring mechanism 11 is in the air, the generated current is relatively large; as shown in fig. 9(b), when the monitoring means 11 is in the slurry, the third housing 11-2 is prevented from vibrating and the generated current is reduced; as shown in fig. 9(c), when the slurry is solidified, the metal rod 11-4 cannot cut the magnetic induction line, and thus no current is generated.

The cooperative use of the monitoring mechanism 11 and the slurry discharging mechanism 7 is described with reference to fig. 10(a) to 10 (d):

as shown in fig. 10(a), in the initial material filling process, the repair material enters the grouting channel 8 from the upper opening of the pipeline main body 8-1, the material filling three-way round ball is rotated until the pipeline main body is communicated with the drilling hole, so that the repair material enters the drilling hole 13 through the material filling three-way round ball 8-2, the discharging three-way round ball 7-13 is rotated to communicate the opening end of the main pipeline of the slurry discharging mechanism with the first auxiliary pipeline, and gas is discharged in the material filling process;

as shown in fig. 10(b), a process of preliminary judging the fullness of slurry is shown, the filling of the repair material can be preliminarily judged by overflowing the repair material from a slurry outlet hole on the upper side of the discharge three-way ball 7-13 through a slurry discharge mechanism, but at this time, the repair material in the drilling hole 13 has large bubbles, and the existence of the large bubbles is detected by using a monitoring mechanism 11;

as shown in fig. 10(c), in the large bubble discharging process, the discharging three-way round ball 7-13 is rotated to communicate the opening end of the main pipeline of the slurry discharging mechanism with the second auxiliary pipeline, the patching material on the upper layer of the drilling hole 13 is discharged through the slurry discharging mechanism 7, and then the grouting channel 8 and the slurry discharging mechanism 7 work simultaneously until the slurry discharging mechanism 7 discharges the uniform patching material and the monitoring mechanism 11 detects that the patching material is fully filled;

as shown in fig. 10(d), during the cleaning process of the pipeline, the discharging ball position adjusting rod 7-14 and the grouting ball position adjusting rod 8-3 are rotated to communicate the inside of the slurry discharging mechanism 7 and the grouting channel 8 with the air, and the inside of the pipeline is flushed with clean water.

Example 2

In another exemplary embodiment of the present application, a reinforcing method of the curved pier column open-hole sampling grouting reinforcing device according to embodiment 1 is provided, in this embodiment, epoxy mortar with certain fluidity is used as grouting material, and the steps and processes are specifically as follows:

(1) a circle of rubber ring is adhered to the periphery of the drilling hole 13 to ensure that the grout cannot seep out in the process of filling;

(2) adhering the monitoring mechanism 11 to the surface of the upper edge of the inner wall of the drilling hole 13, and starting the monitoring mechanism 11;

(3) coating glue on the panels 2 of the reinforcing device, and rotating the connecting pieces 3 to enable the panels 2 to adapt to the structural curvature, so that each panel 2 can be tightly attached to the surface of concrete;

(4) calculating and measuring the distance between each plugging plate 5 and the surface of the concrete;

(5) inputting the distance between each plugging plate 5 and the surface of the concrete into a display and control system 4, controlling a second motor 10-3 to rotate by the display and control system 4, driving a second pushing rod 10-2 to rotate by the second motor 10-3, driving a first pushing rod 10-1 to push by a thread on the second pushing rod 10-2, measuring the pushing distance by a stay wire type displacement sensor 9, feeding the pushing distance back to the display and control system 4, and stopping the rotation of the second motor 10-3 by the display and control system 4 when the pushing distance reaches a preset position;

(6) stirring the repairing material with fluidity;

(7) adjusting a material filling round ball position adjusting rod 8-3, enabling the interior of the drilling hole 13 to be communicated with the interior of the pipeline main body 8-1 through a material filling three-way round ball 8-2, adjusting a material discharging round ball position adjusting rod 7-14, and enabling the interior of the drilling hole 13 to be communicated with the outside air through a material discharging three-way round ball 7-13;

(8) filling the mending material into the drilling hole 13 along the grouting channel 8;

(9) if the material to be repaired overflows from a slurry outlet on the upper side of the discharge three-way round ball 7-13, and the monitoring mechanism 11 detects that the repair material is full, grouting can be stopped; if the material to be repaired overflows from the grout outlet on the upper side of the discharge three-way ball 7-13, the monitoring mechanism 11 does not detect that the grout is full, and a cavity exists in the drilling hole 13;

(10) when a cavity exists, adjusting a discharging ball position adjusting rod 7-14, enabling the inside of a drilling hole 13 to be communicated with the inside of a pipeline shell 7-1 through a discharging three-way ball 7-13, opening a display and control system 4, controlling a first motor 7-8 in a grouting channel 8 to be started, driving a rotary disc 7-10 to move through the first motor 7-8, when the rotary disc 7-10 stretches a diaphragm 7-12 through a first connecting rod 7-11, compressing a first spring 7-3 leftwards through a first ball valve 7-2, clamping a second ball valve 7-7, enabling slurry to enter from the position of the first ball valve 7-2, resetting the first ball valve 7-2 when the rotary disc 7-9 resets the diaphragm 7-12 through the first connecting rod 7-11, compressing a second spring 7-6 downwards through the second ball valve 7-7, discharging the slurry;

(11) after the slurry at the slurry outlet flows out uniformly, the monitoring mechanism 11 detects that the slurry is full, and slurry pumping is stopped; otherwise, continuing grouting until the grout is full;

(12) the monitoring mechanism is sealed inside the drilling hole;

(13) adjusting a grouting round ball position adjusting rod 8-3, enabling air to be communicated with the inside of the pipeline main body 8-1 through a grouting three-way round ball 8-2, adjusting a discharging round ball position adjusting rod 7-14, enabling the inside of the slurry discharging mechanism to be communicated with the air through a discharging three-way round ball 7-13, and flushing the slurry discharging mechanism 7 and the grouting channel 8 by using clear water;

(14) and (5) dismantling the whole device after the material to be repaired reaches certain strength.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A curved surface pier stud trompil sample grouting reinforcement device, characterized by, including the plugging plate, the plugging plate is connected with grouting channel, slurry discharge apparatus, the slurry discharge apparatus includes the main pipeline, one end of main pipeline is open, another end is closed; the adjacent open end of trunk line and first auxiliary pipeline intercommunication, the adjacent blind end of trunk line and second auxiliary pipeline intercommunication, first auxiliary pipeline and trunk line junction set up ejection of compact tee bend ball, and the adjacent first auxiliary pipeline department of trunk line sets up first ball valve, sets up the second ball valve in the second auxiliary pipeline.

2. The curved pier column tapping, sampling, grouting and reinforcing device according to claim 1, wherein the first ball valve is connected with a first spring limiting rod through a first spring, and the first spring limiting rod is arranged along the radial direction of the main pipe.

3. The curved pier column tapping, sampling, grouting and reinforcing device according to claim 1, wherein the second ball valve is connected with a second spring limiting rod through a second spring, and the second spring limiting rod is arranged along the radial direction of the second auxiliary pipeline.

4. The curved pier column tapping, sampling, grouting and reinforcing device according to claim 1, wherein the main pipe is provided with a rotary table adjacent to the closed end, the rotary table is axially arranged along the main pipe, the rotary table is connected with a diaphragm through a first connecting rod, and the diaphragm is arc-shaped and radially arranged along the main pipe.

5. The curved pier column tapping, sampling, grouting and reinforcing device according to claim 1, wherein the joint of the grouting channel and the plugging plate is lower than the joint of the grout discharging device and the plugging plate.

6. The curved pier column tapping, sampling, grouting and reinforcing device according to claim 1, wherein the grouting channel comprises a vertically arranged grouting section connected with a horizontally arranged discharge section, a three-way pipeline is arranged at the end of the discharge section, and a grouting three-way ball is arranged at the three-way pipeline.

7. The curved pier column tapping, sampling, grouting and reinforcing device according to claim 1, wherein the blocking plate comprises a first blocking plate, a plurality of second blocking plates connected in sequence are arranged on one side of the first blocking plate, a plurality of third blocking plates connected in sequence are arranged on the other side of the first blocking plate, and the ends of the first blocking plate, the second blocking plates and the third blocking plates are connected through a circular ring connecting piece; the first, second and third closure plates are curved panels.

8. The curved pier column tapping, sampling, grouting and reinforcing device according to claim 1, wherein the plugging plate is connected with a propulsion device, the propulsion device comprises a first propulsion rod, the first propulsion rod is in threaded connection with a second propulsion rod, the first propulsion rod is connected with the plugging plate, and the second propulsion rod is connected with a power device; the propelling device is connected with a fixed rod, the fixed rod is fixedly connected with the shell, and a displacement sensor is arranged between the plugging plate and the shell; the shell comprises a first shell, and two ends of the first shell are connected with a plurality of panels which are connected in sequence in a rotating mode.

9. The curved pier column tapping, sampling, grouting and reinforcing device according to claim 8, wherein a control device is fixedly arranged at the outer shell, the control device is communicated with a monitoring mechanism, the monitoring mechanism comprises a second shell and a third shell which are oppositely arranged, a horizontal second connecting rod is connected between the second shell and the third shell, magnets are arranged on the upper and lower parts of the second shell, a metal rod is arranged on the rod body of the second connecting rod, and the end part of the second connecting rod is connected with the piezoelectric ceramic plate.

10. The reinforcing method of the curved pier column open pore sampling grouting reinforcing device according to any one of claims 1 to 9, which comprises the following steps:

sticking a rubber ring on the periphery of a drilling hole of the pier stud, and placing a monitoring mechanism on the surface of the inner upper edge of the drilling hole;

acquiring the distance between the plugging plate and the surface of the pier stud, and adjusting the plugging plate to a set position;

mixing the repairing material, enabling the drilling hole to be communicated with the grouting channel to be grouted into the grouting channel, discharging air by a grout discharging device in the grouting process, and enabling the top of the drilling hole to be communicated with the main pipeline and the second auxiliary pipeline when grout overflows from the grout discharging device to discharge the grout;

after the slurry flows out uniformly, stopping grouting after the monitoring mechanism detects that the slurry is full;

and after the material to be repaired reaches the set strength, removing the whole reinforcing device.

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