CN217078894U

CN217078894U - High-efficient deviation correcting device of tower building

Info

Publication number: CN217078894U
Application number: CN202121439195.1U
Authority: CN
Inventors: 关喜才; 陶永霞; 周志琦; 邹芳; 代凌辉; 席兴; 陈威; 于云辉; 李金伟; 李萌琳; 陈慧敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-07-29
Anticipated expiration: 2031-06-28

Abstract

A tower type building efficient deviation rectifying device relates to the technical field of building maintenance, and comprises a foundation beam, a through hole and a friction pile; the foundation beam is correspondingly and fixedly connected with a foundation structure of the tower building, and a plurality of through holes are distributed in the top of the beam body of the foundation beam along the circumferential direction of the tower building; friction piles with the bottom ends inserted into the surrounding soil layer of the tower building are arranged in the through holes, and the pile diameter of each friction pile is smaller than that of each through hole; the friction pile comprises a friction column, the friction column is hollow, a step shaft is movably inserted in the friction column, and a driving device for driving the step shaft to axially move is arranged at the top in the friction column; the friction column is characterized in that a plurality of groove-opening positions are formed in the column body of the friction column at intervals along the axis, a plurality of grooves are annularly formed in the position, corresponding to the groove-opening positions, of the column body of the friction column, and wedge-shaped friction blocks are inserted in the grooves in a sliding mode; the invention has simple structure, safety, reliability and convenient implementation, and can effectively save the construction cost.

Description

High-efficient deviation correcting device of tower building

Technical Field

The invention relates to the technical field of building maintenance, in particular to a tower type building efficient deviation rectifying device.

Background

In China, foundation inclination is generated due to uneven deformation of a foundation, and some ancient towers are inclined due to foundation damage caused by digging and stealing, and especially some ancient towers have the possibility of collapsing at any time after being inclined, and need to be corrected and righted urgently; one of the existing deviation correcting methods for tower buildings is to form inclined holes in the direction deviating from the inclination direction of the tower building, so that the foundation on the side deviating from the inclination direction of the tower building slowly and naturally settles, and finally the tower building gradually and naturally recovers to the vertical state; the other method is that water is poured in the direction deviating from the inclination direction of the tower building, so that the foundation on one side deviating from the inclination direction of the tower building is loosened, the foundation on the side of the tower building naturally and slowly sinks, and finally the tower building gradually and naturally restores to the vertical state; both methods need to consume a large amount of time to wait for the tower building to naturally recover the vertical state, and the natural recovery process of the tower building is not controlled, especially ancient towers which are long in the past have the risk of collapse at any time, and the phenomenon is a problem to be solved by technical staff in the field;

chinese patent (publication No. CN 204435445U) discloses a deviation rectifying device for an inclined tower, which has a complicated construction process, requires pulling a tower body through a tower body reinforcing structure, has a complicated control system, is high in implementation cost, and is easy to damage the tower body.

Disclosure of Invention

In order to overcome the defects in the background art, the invention discloses a tower type building efficient deviation rectifying device.

In order to achieve the purpose, the invention adopts the following technical scheme:

a tower type building efficient deviation correcting device comprises a foundation beam, a through hole and a friction pile; the foundation beam is correspondingly and fixedly connected with a foundation structure of the tower building, a plurality of through holes are distributed in the top of the beam body of the foundation beam along the circumferential direction of the tower building, and reaction frames are arranged at the positions, corresponding to the through holes, of the top of the beam body of the foundation beam; friction piles of which the bottom ends are inserted into soil layers around the tower-type building are arranged in the through holes, the pile diameters of the friction piles are smaller than the hole diameters of the through holes, a hydraulic jack is arranged between the top of the reaction frame and the top of the friction pile, and a supporting base plate with adjustable length is arranged between the top of the reaction frame and the hydraulic jack; the support basal disc contains supporting disk and adjusting sleeve, the equal silk of both ends of adjusting sleeve has the screw rod, and the internal thread at adjusting sleeve both ends revolves to opposite, the one end that the screw rod deviates from the adjusting sleeve all is equipped with the supporting disk.

Preferably, the friction pile comprises a friction column, the inside of the friction column is hollow, a step shaft is movably inserted into the friction column, and a driving device for driving the step shaft to axially move is arranged at the top inside the friction column; the shaft of friction post is equipped with a plurality of fluting positions along the axis interval, and the shaft of friction post corresponds the position spacer ring of fluting position and is equipped with a plurality of flutings, it has wedge-shaped clutch blocks to slide the grafting in the fluting, the position that the step axle body corresponds the clutch blocks is equipped with and corresponds supporting tapered boss with the clutch blocks wedge face.

Preferably, the top of the supporting base plate is in universal connection with the inner top of the reaction frame through a spherical hinge device.

Preferably, the driving device is a lead screw correspondingly connected with the top of the friction column in a threaded manner.

Preferably, the bottom of the lead screw is correspondingly and rotatably connected with the top of the step shaft.

Preferably, the foundation beam is a steel, steel structure or reinforced concrete beam, and the geometric dimension and the material of the foundation beam are determined by mechanical calculation.

Preferably, the hydraulic jack is controlled by a jack jacking control system, and the jack jacking control system is a hydraulic linear control system or a nonlinear PID control system.

Preferably, the jack jacking control system is provided with a sensor for monitoring the perpendicularity of the tower body of the tower type building.

Preferably, the aperture size, the position and the number of the through holes are determined by pile foundation calculation according to geological data around the tower type building.

Preferably, the foundation beam is a steel structure beam or a reinforced concrete beam.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

the efficient deviation correcting device for the tower type building, disclosed by the invention, has the advantages of simple structure, safety, reliability, simple implementation process and higher deviation correcting efficiency, can be used for supporting the self weight of the tower type building and pressing friction piles into soil layers around the tower type building one by one through the hydraulic jack, and then providing supporting force to accurately restore the inclined tower type building to the original vertical state of the tower type building through a plurality of friction piles, so that the construction process is simple; the hydraulic jack is controlled by a jack lifting control system, the jack lifting control system is a hydraulic linear control system or a nonlinear PID control system, the automation degree is high, the measured geometric parameters of the inclination condition of the tower building are input into the jack lifting control system, the lifting displacement of the corresponding hydraulic jack in the deviation rectifying process is further determined, and the purpose of accurately recovering the original vertical state of the tower building is achieved;

meanwhile, a verticality sensor is arranged on a tower body of the tower type building before the deviation rectifying operation, and reference data is provided for a jack jacking control system; the method comprises the following steps of enabling hydraulic jacks to bear preset uplifting force firstly in the deviation rectifying operation process, controlling and controlling a plurality of hydraulic jacks located in the inclination direction of the tower type building to be synchronously jacked, enabling the hydraulic jack located on the other side of the tower type building to be kept motionless or synchronously descended, namely monitoring the stress state of the corresponding hydraulic jack in real time, controlling the hydraulic jack located on one side deviating from the inclination direction of the tower type building to be kept motionless or synchronously descended according to the state in the righting process of the tower type building, enabling the corresponding tower type building to be integrally lifted if the hydraulic jack on the side is kept motionless, and righting the corresponding tower type building around the center of the corresponding tower type building if the hydraulic jack on the side is synchronously descended.

Drawings

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

FIG. 2 is a schematic structural view of a friction pile;

fig. 3 is a schematic structural view of the support base.

In the figure: 1. a foundation beam; 2. a through hole; 3. rubbing the pile; 3-1, friction column; 3-2, step shaft; 3-3, friction blocks; 3-4, a screw rod; 4. a reaction frame; 5. a hydraulic jack; 6. supporting the base plate; 6-1, a support disc; 6-2 of an adjusting sleeve; 6-3, a screw; 7. ball pivot device.

Detailed Description

The present invention will be explained in detail by the following embodiments, and the purpose of disclosing the invention is to protect all technical improvements within the scope of the present invention, in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., it is only corresponding to the drawings of the present application, and it is convenient to describe the present invention, and it is not intended to indicate or imply that the referred device or element must have a specific orientation.

With reference to the attached drawings 1-3, the efficient rectifying device for the tower building comprises a foundation beam 1, a through hole 2 and a friction pile 3; the foundation beam 1 is correspondingly and fixedly connected with a foundation structure of the tower type building, and a plurality of through holes 2 are distributed in the top of the beam body of the foundation beam 1 along the circumferential direction of the tower type building; according to the requirements, the foundation beam 1 is a steel, steel structure or reinforced concrete beam, namely the steel structure beam or the reinforced concrete beam can be selected according to the weight of the tower type building, if the weight of the tower type building is smaller, the steel structure beam can be used, the construction is convenient and rapid, if the weight of the tower type building is larger, a foundation trench can be excavated on the outer side around the foundation of the tower type building, the foundation beam 1 is poured in the foundation trench, a hole site of the through hole 2 is reserved in advance when the foundation beam 1 is poured, the foundation beam 1 structural system has the supporting function of bearing up and down, the geometric dimension and materials (such as reinforcing bars) of the foundation beam 1 are determined by mechanical calculation, and the requirement of bearing the structural strength of the corresponding tower type building can be guaranteed;

the embodiment I is that the single-foundation tower type building is rectified:

and excavating foundation grooves on the outer sides of the peripheries of the single-foundation tower type building foundation, and pouring foundation beams 1 of reinforced concrete structures which are correspondingly and fixedly connected with the peripheries of the corresponding single-foundation tower type building foundation structures in the foundation grooves.

Embodiment two, many foundation tower buildings rectify:

excavation foundation ditch all around at many basic tower building foundation outside, pour foundation beam 1 in this foundation ditch, and foundation beam 1's roof beam body is equipped with the branch structure who corresponds fastening connection with each foundation structure of many basic tower building.

Friction piles 3 with the bottom ends inserted into the surrounding soil layer of the tower type building are arranged in the through holes 2, and the pile diameter of each friction pile 3 is smaller than that of each through hole 2; according to the requirements, the aperture size, the position and the number of the through holes 2 are determined by pile foundation calculation according to geological data around the tower building, so that the subsequent operation can meet the requirements of the capability of bearing the corresponding tower building and the mechanical index of overturn resistance, namely the number of the friction piles 3 is correspondingly consistent with that of the through holes 2, the number of the through holes 2 reserved in the inclination direction of the tower building can be more than that of the through holes 2 on the other side of the tower building, meanwhile, the aperture size of the through holes 2 can be set according to the inclination angle of the tower building and the geological conditions around the tower building, the corresponding friction piles 3 can provide enough supporting force in the subsequent operation process, and meanwhile, the interference influence caused by the contact of the hole walls of the through holes 2 and the rod bodies of the friction piles 3 is avoided; the top of the beam body of the foundation beam 1 is provided with a reaction frame 4 corresponding to the through hole 2, and a hydraulic jack 5 is arranged between the top of the reaction frame 4 and the top of the friction pile 3, so that the friction piles 3 can be pressed into soil layers around the tower building one by one through the hydraulic jack 5 by means of the weight of the tower building; according to the requirements, a supporting base plate 6 is arranged between the inner top of the reaction frame 4 and the hydraulic jack 5, the top of the supporting base plate 6 is in universal connection with the inner top of the reaction frame 4 through a spherical hinge, so that the jacking operation can be increased by replacing the supporting base plates 6 with different length specifications, and meanwhile, the hydraulic jack 5 can be prevented from bearing large bending moment; according to the requirement, the supporting base plate 6 comprises a supporting plate 6-1 and an adjusting sleeve 6-2, two ends of the adjusting sleeve 6-2 are respectively connected with a screw 6-3 in a threaded manner, the internal threads at two ends of the adjusting sleeve 6-2 are opposite in rotating direction, one end of the screw 6-3, which is far away from the adjusting sleeve 6-2, is provided with the supporting plate 6-1, namely the length of the supporting base plate 6 can be adjusted through the adjusting sleeve 6-2 in the process of pressing the friction pile 3 into the soil layer, so that the formation of the hydraulic jack 5 is increased;

the friction pile 3 comprises a friction column 3-1, the friction column 3-1 is hollow, a step shaft 3-2 is movably inserted into the friction column 3-1, and a driving device for driving the step shaft 3-2 to move axially is arranged at the top of the inner part of the friction column 3-1; the friction column 3-1 is provided with a plurality of groove-opening positions at intervals along an axis, the friction column 3-1 is provided with a plurality of grooves at intervals at positions corresponding to the groove-opening positions, wedge-shaped friction blocks 3-3 are inserted in the grooves in a sliding manner, the step shaft 3-2 is provided with cone-shaped bosses correspondingly matched with wedge-shaped surfaces of the friction blocks 3-3 at positions corresponding to the friction blocks 3-3 at the shaft body, namely, the friction blocks 3-3 can be positioned in the grooves of the friction column 3-1 when the friction column 3 is pressed in, the friction blocks 3-3 can be pushed out by driving the step shaft 3-2 to move axially through the driving device when the friction column 3 is pressed in, so that the friction force between the friction column 3 and a soil layer can be effectively increased, and the stability can be improved;

in addition, before the deviation rectifying operation, a jack jacking control system is established, the jack jacking control system is a hydraulic linear control system or a nonlinear PID control system, the automation degree is high, the measured geometric parameters of the inclination condition of the tower type building are input into the jack jacking control system, the jacking displacement of the corresponding hydraulic jack 5 in the deviation rectifying process is further determined, and the purpose of accurately recovering the original vertical state of the tower type building is achieved; meanwhile, a verticality sensor is arranged on a tower body of the tower type building before the deviation rectifying operation, and reference data are provided for a jack jacking control system; in the deviation rectifying operation process, the hydraulic jacks 5 can bear preset uplifting force firstly, then the plurality of hydraulic jacks 5 positioned in the inclination direction of the tower type building are controlled to be synchronously jacked, the hydraulic jack 5 positioned on the other side of the tower type building can be kept motionless or synchronously descended, namely the stress state of the corresponding hydraulic jack 5 can be monitored in real time, the hydraulic jack 5 on one side deviating from the inclination direction of the tower type building is controlled to be motionless or synchronously descended according to the state in the righting process of the tower type building, if the hydraulic jack 5 on the side is kept motionless, the corresponding tower type building can be integrally lifted, and if the hydraulic jack 5 on the side is synchronously descended, the corresponding tower type building can be righted around the center of the corresponding tower type building; and finally, filling materials are filled at the bottom of the foundation beam 1 to prevent the tower type building from inclining again, the filling materials can be ESC micro-expansion concrete, pressurized pumping can be carried out during construction, and the filling materials can be guaranteed to effectively bear the gravity of the tower type building.

The invention is not described in detail in the prior art, and it is apparent to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. The utility model provides a high-efficient deviation correcting device of tower building, characterized by: comprises a foundation beam (1), a through hole (2) and a friction pile (3); the foundation beam (1) is correspondingly and fixedly connected with a foundation structure of the tower building, a plurality of through holes (2) are distributed in the top of the beam body of the foundation beam (1) along the circumferential direction of the tower building, and reaction frames (4) are arranged at positions, corresponding to the through holes (2), of the top of the beam body of the foundation beam (1); friction piles (3) with the bottom ends inserted into soil layers around the tower-type building are arranged in the through holes (2), the pile diameters of the friction piles (3) are smaller than the hole diameters of the through holes (2), hydraulic jacks (5) are arranged between the tops of the inner tops of the reaction frames (4) and the tops of the friction piles (3), and supporting base plates (6) with adjustable lengths are arranged between the tops of the inner tops of the reaction frames (4) and the hydraulic jacks (5); the supporting base plate (6) comprises a supporting plate (6-1) and an adjusting sleeve (6-2), both ends of the adjusting sleeve (6-2) are respectively connected with a screw rod (6-3), the internal threads at both ends of the adjusting sleeve (6-2) are opposite in rotating direction, and one end of the screw rod (6-3) departing from the adjusting sleeve (6-2) is respectively provided with the supporting plate (6-1).

2. The tower-type building efficient deviation correcting device of claim 1, which is characterized in that: the friction pile (3) comprises a friction column (3-1), the friction column (3-1) is hollow, a step shaft (3-2) is movably inserted into the friction column (3-1), and a driving device for driving the step shaft (3-2) to move axially is arranged at the top of the interior of the friction column (3-1); the shaft of friction post (3-1) is equipped with a plurality of fluting positions along the axis interval, and the shaft of friction post (3-1) corresponds the position spacer ring of fluting and is equipped with a plurality of fluting, it has wedge friction block (3-3) to slide to peg graft in the fluting, the position that the shaft of step axle (3-2) corresponds friction block (3-3) is equipped with and corresponds supporting tapered boss with friction block (3-3) wedge face.

3. The tower-type building efficient deviation correcting device of claim 1, which is characterized in that: the top of the supporting base plate (6) is in universal connection with the inner top of the reaction frame (4) through a spherical hinge device (7).

4. The tower-type building efficient deviation correcting device of claim 2, wherein: the driving device is a lead screw (3-4) which is correspondingly in threaded connection with the top of the friction column (3-1).

5. The tower-type building efficient deviation correcting device of claim 4, wherein: the bottom of the lead screw (3-4) is correspondingly and rotatably connected with the top of the step shaft (3-2).

6. The tower-type building efficient deviation correcting device of claim 1, which is characterized in that: the foundation beam (1) is a steel beam, a steel structure beam or a reinforced concrete beam.

7. The tower-type building efficient deviation correcting device of claim 1, which is characterized in that: the hydraulic jack (5) is controlled by a jack jacking control system, and the jack jacking control system is a hydraulic linear control system or a nonlinear PID control system.

8. The tower-type building efficient deviation correcting device of claim 7, wherein: the jack jacking control system is provided with a sensor for monitoring the perpendicularity of the tower body of the tower type building.