CN216713139U

CN216713139U - Basin-shaped subsidence repairing jacking device for terrace

Info

Publication number: CN216713139U
Application number: CN202220177915.XU
Authority: CN
Inventors: 陈四明; 刘永革; 江超瑜; 童维恩; 王珑; 李亮; 江怡
Original assignee: Zhejiang Gubang Construction Special Technology Co ltd
Current assignee: Zhejiang Gubang Construction Special Technology Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-06-10
Anticipated expiration: 2032-01-24

Abstract

The utility model relates to a basin-shaped subsidence restoration jacking device for a terrace, which comprises a counterforce column pier, a lifting frame assembly, a jack and a base, wherein the base is fixed on the terrace to be restored through an anchor rod assembly; the upper end of the counterforce column pier is fixed on the driving end of the jack, the jack is fixed on the lifting frame assembly, the lifting frame assembly is fixed on the base, and the lower end of the counterforce column pier is provided with a bottom sealing end plate; the reaction column pier is a steel pipe with a closed end and a hollow interior, the upper radial edge of the reaction column pier is provided with a slurry inlet communicated with the grouting pipe, and the lower radial edge of the reaction column pier is provided with a slurry outlet convenient for filling the jacking space with slurry; the utility model has the advantages of no need of production stop, emptying, no interference, accurate control, shortened construction period and saved cost.

Description

Basin-shaped subsidence repairing jacking device for terrace

Technical Field

The utility model belongs to the technical field of foundation engineering, and particularly relates to a basin-shaped subsidence repairing jacking device for a terrace.

Background

Terrace basin shape subsides ubiquitous in existing building (structure) use, cause the influence of different degrees to service function, especially factory building terrace, workshop terrace differential settlement often leads to equipment foundation slope, goods shelves slope, production line can not normal operating. The existing treatment technologies mostly adopt grouting (high-pressure rotary spraying) for reinforcing, repairing terrace piles, reworking beam slab terraces and the like, and the treatment technologies need to be stopped in production and emptied to operate, so that the influence is large and the cost is high. At present, the repair technology of injecting expansion materials and the repair technology of forming lifting force by grouting are adopted, so that the non-interference repair without production stop can be realized, but the defects of poor controllability and higher manufacturing cost exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide the terrace basin-shaped subsidence repairing and jacking device which does not need to be shut down, emptied and interfered, can be accurately controlled, shortens the construction period and saves the manufacturing cost.

The basin-shaped subsidence restoration jacking device comprises a reaction pier, a hoisting frame assembly, a jack and a base, wherein the base is fixed on a to-be-restored terrace through an anchor rod assembly, a jacking hole for the reaction pier to be led into a foundation is formed in the to-be-restored terrace, and the reaction pier moves up and down on a through hole formed in the base; the upper end of the counterforce column pier is fixed on the driving end of the jack, the jack is fixed on the hoisting frame assembly, the hoisting frame assembly is fixed on the base, and the lower end of the counterforce column pier is provided with a bottom sealing end plate; the reaction column pier is a steel pipe with a closed end and a hollow interior, a slurry inlet communicated with the grouting pipe is formed in the radial edge of the upper end of the reaction column pier, and a slurry outlet convenient for slurry to fill the jacking space is formed in the radial edge of the lower end of the reaction column pier.

The beneficial effects of the utility model are as follows: by adopting the technical scheme, compared with the prior art, the device 1 can be used for synchronously jacking mechanically and simultaneously filling a gap formed by jacking in a grouting manner, so that the construction process is simplified, the construction period is shortened, and the manufacturing cost is saved; 2. the method has the characteristics of flexibility, smallness, accuracy, high efficiency and strong adaptability of operation space, and people can enter the method to construct the construction; 3. construction dust and noise are controllable, and pollution is avoided; 4. the method is suitable for the non-stop, non-soaring and non-interference repair of terrace basin-shaped settlement and equipment foundation inclination.

Preferably, the hoisting frame assembly comprises two hoisting frames, a bearing beam and a stroke compensation screw rod, the two hoisting frames are symmetrically distributed on two sides of the counterforce column pier, an internal thread hole is formed in the center of the bearing beam, first mounting holes are formed in two sides of the bearing beam respectively, the upper end of each hoisting frame is embedded into and fixed to the first mounting hole, the lower end of each hoisting frame is embedded into and fixed to a second mounting hole formed in the base, and the stroke compensation screw rod is connected to the internal thread hole in a threaded connection mode; through the setting of this hoisting frame subassembly, the function in slip casting compensation jacking space is implemented in step in the time of can accurate jacking terrace.

Preferably, the upper end of the stroke compensation screw is provided with a through hole for inserting a torsion bar, an upper supporting plate is arranged between the lower end of the stroke compensation screw and the jack, the upper supporting plate is fixed on the lower end of the stroke compensation screw, a first limiting ring is arranged on the upper supporting plate facing the top of the jack, and the bottom end of the jack is limited in the first limiting ring; when the jacking stroke of jack is not enough, through the setting between stroke compensation screw and the load roof beam, have the advantage of stroke compensation function, set up the upper support board simultaneously, exert force the in-process at the jack and have spacing function, prevent the jack at the sliding of application of force in-process.

Preferably, a lower support plate is installed between the upper end of the reaction pier and the driving end of the jack, the lower support plate is fixed to the upper end of the reaction pier, a second limit ring is arranged on the lower support plate facing the top side of the jack, and the driving end of the jack is limited in the second limit ring; the lower supporting plate is arranged, so that the limiting function is realized in the force application process of the jack, and the sliding of the jack in the force application process is prevented.

Preferably, the base comprises an upper bearing plate, a lower bearing plate and a hollow steel pipe, the hollow steel pipe is fixed between the upper bearing plate and the lower bearing plate, through holes are formed in the centers of the upper bearing plate and the lower bearing plate, a hole core of each through hole and a pipe core of the hollow steel pipe are coaxially arranged, second mounting holes for mounting a hoisting frame assembly are formed in two sides of the upper bearing plate, and third mounting holes for mounting an anchor rod assembly are formed in at least three sides of the lower bearing plate; the upper bearing plate, the lower bearing plate and the hollow steel pipe are matched with each other and then can be sleeved with a steel sleeve with a stroke similar to a piston, so that smooth sliding of the counterforce column pier is met, and simultaneously, slurry is prevented from overflowing.

Preferably, a reinforcing rib plate is fixed between the upper bearing plate and the side wall of the hollow steel pipe, and a reinforcing rib plate is fixed between the lower bearing plate and the side wall of the hollow steel pipe; the strength of the base is greatly enhanced through the reinforcing rib plate, and the stability in the construction process is better.

Preferably, the anchor rod assembly comprises an internal thread sleeve and a bolt, the internal thread sleeve is embedded in the terrace to be repaired, and the bolt penetrates through a third mounting hole formed in the base and is fixedly connected with the internal thread sleeve in a threaded manner; through the submerged embedding of the internal thread sleeve, the lifting frame can be permanently left in the terrace to be repaired after being detached and can be used again in the future; and meanwhile, the base is more convenient to mount and dismount.

Preferably, the back cover end plate is an enlarged head type back cover end plate, the cross section of the back cover end plate is in a step shape, and the back cover end plate is fixed on the lower end of the reaction pier in a threaded connection mode; the bottom expanding function of the jacking hole of the foundation can be realized through the bottom sealing end plate, and meanwhile, the bottom expanding device is convenient to detach and mount in a threaded connection mode.

Preferably, at least three slurry outlet holes are formed in the reaction pier, and are distributed in an annular shape at equal intervals along the outer diameter of the reaction pier; the lower end of the counterforce column pier is sleeved with a rubber sleeve, and the rubber sleeve is sleeved on the grout outlet; the sleeve rubber sleeve is sleeved to form a sleeve valve structure, so that impurities in the foundation when grouting is not performed are prevented from entering the grout outlet.

Drawings

Fig. 1 is a front view schematic diagram of a jacking device of the utility model.

Fig. 2 is a structural schematic diagram of the upper bearing plate of the utility model.

Fig. 3 is a schematic diagram of the lower bearing plate structure of the utility model.

The reference numbers in the drawings are respectively: 1. a counterforce column pier; 2. a poppet assembly; 3. a jack; 4. a base; 5. sealing the bottom end plate; 6. an anchor assembly; 7. the terrace is planned to be repaired; 8. an upper support plate; 9. a lower supporting plate; 10. a rubber sleeve; 11. a pulp inlet; 12. a slurry outlet; 21. a hoisting frame; 22. a bearing beam; 23. a stroke compensation screw; 41. a through hole; 42. a second mounting hole; 43. an upper bearing plate; 44. a lower bearing plate; 45. a hollow steel pipe; 46. a third mounting hole; 47. reinforcing rib plates; 61. an internally threaded sleeve; 62. a bolt; 71. jacking holes; 81. a first limit ring; 91. a second stop collar; 22-1, an internal threaded hole; 22-2, a first mounting hole; 23-1, opposite perforation.

Detailed Description

The utility model will be described in detail below with reference to the following drawings: as shown in the attached figure 1, the utility model comprises a counterforce column pier 1, a hoisting frame assembly 2, a jack 3 and a base 4, wherein the base 4 is fixed on a to-be-repaired terrace 7 through an anchor rod assembly 6, a jacking hole 71 for the counterforce column pier 1 to be led into a foundation is formed in the to-be-repaired terrace 7, and the counterforce column pier 1 moves up and down on a through hole 41 formed in the base 4; the upper end of the counterforce column pier 1 is fixed on the driving end of the jack 3, the jack 3 is fixed on the hoisting frame component 2, the hoisting frame component 2 is fixed on the base 4, and the lower end of the counterforce column pier 1 is provided with a bottom sealing end plate 5; the reaction pier 1 is a steel pipe with a closed end and a hollow interior, a slurry inlet 11 communicated with a grouting pipe is formed in the radial edge of the upper end of the reaction pier 1, and a slurry outlet 12 convenient for slurry to fill a jacking space is formed in the radial edge of the lower end of the reaction pier 1; the slurry outlet holes 12 are at least three and are distributed in an annular shape at equal intervals along the outer diameter of the reaction pier 1; the lower end cover of reaction pier 1 has rubber sleeve 10, and rubber sleeve 10 cover is on going out thick liquid hole 12, and when going out thick liquid, the perfusion pressure of thick liquid can strut rubber sleeve 10, realizes that the thick liquid fills the space that is formed by the jacking of this jacking device. The jack adopts the force application jack with the screw thread self-locking function and the stroke capable of being accurately controlled through the rotating angle of the rocker arm, so that the multi-jack coordinated synchronous jacking is convenient to realize.

The hoisting frame assembly 2 comprises a hoisting frame 21, a bearing beam 22 and a stroke compensation screw 23, the hoisting frame 21 is provided with two lifting frames which are symmetrically distributed on two sides of the counterforce column pier 1, the center of the bearing beam 22 is provided with an internal thread hole 22-1, the two sides are respectively provided with a first mounting hole 22-2, the upper end of the hoisting frame 21 is embedded in and fixed to the first mounting hole 22-2, the lower end of the hoisting frame 21 is embedded in and fixed to a second mounting hole 42 arranged on the base 4, and the stroke compensation screw 23 is connected to the internal thread hole 22-1 in a threaded connection mode; the upper end of the stroke compensation screw 23 is provided with a through hole 23-1 for inserting the torsion bar, an upper supporting plate 8 is arranged between the lower end of the stroke compensation screw 23 and the jack 3, the upper supporting plate 8 is fixed on the lower end of the stroke compensation screw 23, a first limiting ring 81 is arranged on the upper supporting plate 8 facing the side of the jack 3, and the bottom end of the jack 3 is limited in the first limiting ring 81.

Install lower supporting plate 9 between the upper end of reaction pier 1 and the drive end of jack 3, lower supporting plate 9 is fixed in the upper end of reaction pier 1, and is equipped with second spacing ring 91 towards being equipped with on the lower supporting plate 9 of jack 3 side, and the drive end of jack 3 is spacing in second spacing ring 91.

As shown in fig. 2 and 3, the base 4 includes an upper bearing plate 43, a lower bearing plate 44 and a hollow steel pipe 45, the hollow steel pipe 45 is fixed between the upper bearing plate 43 and the lower bearing plate 44, the centers of the upper bearing plate 43 and the lower bearing plate 44 are both provided with a through hole 41, the hole core of the through hole 41 and the pipe core of the hollow steel pipe 45 are in a coaxial core, both sides of the upper bearing plate 43 are both provided with second mounting holes 42 for mounting the hoisting frame assembly 2, and four sides of the lower bearing plate 44 are both provided with third mounting holes 46 for mounting the anchor rod assembly 6, so that the mounting stability between the base 4 and the terrace 7 to be repaired is better, and the stability of the hoisting frame assembly 2 in the force application process of the counterforce column pier 1 through the jack 3 is also ensured; a reinforcing rib plate 47 is fixed between the upper bearing plate 43 and the side wall of the hollow steel pipe 45, and a reinforcing rib plate 47 is fixed between the lower bearing plate 44 and the side wall of the hollow steel pipe 45.

The counterforce column pier 1 is a hollow steel pipe with equal diameter, a piston steel sleeve structure is conveniently formed by the counterforce column pier 1 and the base 4, the motion trail is conveniently and accurately controlled, and a force jack limiting ring is arranged at the upper end of the counterforce column pier 1 to prevent the force jack from sliding in the working process of the jacking device; the upper part is provided with a grout inlet hole connected with the grouting pipe, and the lower part is provided with a sleeve valve grout outlet hole, so that the counter-force column pier has the function of the sleeve valve grouting pipe, and the jacking device is convenient to synchronously grout and fill the jacking space to the foundation in the working process.

The anchor rod assembly 6 comprises an internal thread sleeve 61 and a bolt 62, the internal thread sleeve 61 is embedded in the terrace 7 to be repaired, and the bolt 62 penetrates through a third mounting hole 46 formed in the base 4 and is fixedly connected with the internal thread sleeve thread 61.

The back cover end plate 5 is the back cover end plate of expanding the hair style, and the cross section of back cover end plate 5 is the echelonment, and back cover end plate 5 passes through the threaded connection mode to be fixed on the lower extreme of reaction pier 1, and the biggest external diameter of back cover end plate 5 is less than or equal to jacking hole 71.

The present invention is not limited to the above embodiments, and any changes in the shape or material composition, or any changes in the structural design provided by the present invention, are all modifications of the present invention, and should be considered to be within the scope of the present invention.

Claims

1. The utility model provides a jacking device is restoreed in subsidence of terrace basin shape, includes reaction pier (1), hoisting frame subassembly (2), jack (3) and base (4), its characterized in that: the base (4) is fixed on the terrace (7) to be restored through the anchor rod assembly (6), a jacking hole (71) for the counterforce column pier (1) to be led into the foundation is formed in the terrace (7) to be restored, and the counterforce column pier (1) moves up and down on a through hole (41) formed in the base (4); the upper end of the counterforce column pier (1) is fixed on the driving end of the jack (3), the jack (3) is fixed on the hoisting frame assembly (2), the hoisting frame assembly (2) is fixed on the base (4), and the lower end of the counterforce column pier (1) is provided with a bottom sealing end plate (5); the reaction column pier (1) is a steel pipe with a closed end and a hollow inner part, a slurry inlet (11) communicated with a grouting pipe is formed in the radial edge of the upper end of the reaction column pier (1), and a slurry outlet (12) convenient for slurry to fill the jacking space is formed in the radial edge of the lower end of the reaction column pier (1).

2. The terrace basin-shaped subsidence repairing and jacking device of claim 1, which is characterized in that: the lifting frame assembly (2) comprises lifting frames (21), bearing beams (22) and stroke compensation screws (23), wherein the lifting frames (21) are arranged on two sides of the reaction pier (1) and symmetrically distributed, inner threaded holes (22-1) are formed in the centers of the bearing beams (22), first mounting holes (22-2) are formed in the two sides of the bearing beams respectively, the upper ends of the lifting frames (21) are embedded into the first mounting holes (22-2) and fixed, the lower ends of the lifting frames (21) are embedded into second mounting holes (42) formed in the base (4) and fixed, and the stroke compensation screws (23) are connected to the inner threaded holes (22-1) in a threaded connection mode.

3. The terrace basin-shaped subsidence repairing and jacking device of claim 2, which is characterized in that: the upper end of stroke compensation screw rod (23) is equipped with to perforation (23-1) that is used for the torsion bar to alternate, the lower extreme of stroke compensation screw rod (23) with install between jack (3) upper support board (8), upper support board (8) are fixed on the lower extreme of stroke compensation screw rod (23), and towards be equipped with first spacing ring (81) on upper support board (8) of jack (3) side, the bottom of jack (3) is spacing be in first spacing ring (81).

4. The terrace basin-shaped subsidence repairing and jacking device of claim 1, which is characterized in that: the upper end of the reaction pier (1) and the driving end of the jack (3) are provided with a lower supporting plate (9), the lower supporting plate (9) is fixed at the upper end of the reaction pier (1), the lower supporting plate (9) faces the side of the jack (3) and is provided with a second limiting ring (91), and the driving end of the jack (3) is limited in the second limiting ring (91).

5. The terrace basin-shaped subsidence repairing and jacking device of claim 1, which is characterized in that: the base (4) comprises an upper bearing plate (43), a lower bearing plate (44) and a hollow steel pipe (45), the hollow steel pipe (45) is fixed between the upper bearing plate (43) and the lower bearing plate (44), the centers of the upper bearing plate (43) and the lower bearing plate (44) are respectively provided with a through hole (41), the hole core of the through hole (41) and the pipe core of the hollow steel pipe (45) are coaxially arranged, two sides of the upper bearing plate (43) are respectively provided with a second mounting hole (42) for mounting the hoisting frame assembly (2), and at least three sides of the lower bearing plate (44) are respectively provided with a third mounting hole (46) for mounting the anchor rod assembly (6).

6. The terrace basin-shaped subsidence repairing and jacking device of claim 5, which is characterized in that: and a reinforcing rib plate (47) is fixed between the upper bearing plate (43) and the side wall of the hollow steel pipe (45), and a reinforcing rib plate (47) is fixed between the lower bearing plate (44) and the side wall of the hollow steel pipe (45).

7. The terrace basin-shaped subsidence repairing and jacking device of claim 1, which is characterized in that: stock subassembly (6) include internal thread sleeve (61) and bolt (62), internal thread sleeve (61) are buried underground in planning to restore terrace (7), bolt (62) pass third mounting hole (46) that base (4) were equipped with internal thread sleeve (61) threaded connection is fixed.

8. The terrace basin-shaped subsidence repairing and jacking device of claim 1, which is characterized in that: the end plate (5) is an enlarged head type end plate, the cross section of the end plate (5) is stepped, and the end plate (5) is fixed on the lower end of the counterforce column pier (1) in a threaded connection mode.

9. The terrace basin-shaped subsidence repairing and jacking device of claim 1, which is characterized in that: the number of the grout outlet holes (12) is at least three, and the grout outlet holes are annularly distributed at equal intervals along the outer diameter of the reaction pier (1); the lower end of the counterforce column pier (1) is sleeved with a rubber sleeve (10), and the rubber sleeve (10) is sleeved on the grout outlet (12).