CN211395678U

CN211395678U - Structure for controlling settlement of existing precast pile

Info

Publication number: CN211395678U
Application number: CN201922169409.7U
Authority: CN
Inventors: 包正辉
Original assignee: Shanghai Valley Civil Engineering Technology Co ltd
Current assignee: Shanghai Valley Civil Engineering Technology Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-09-01
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a structure that existing precast pile of control subsides, which comprises a ground, the last fixed surface on ground is connected with the bed course, the inside on ground is equipped with the precast pile body, the top of precast pile body runs through ground and bed course in proper order and extends to the top on ground, the top of bed course is equipped with the control frame, the inside of bed course is equipped with symmetrical strengthening rib, the inside of bed course is equipped with the reinforcing bar rack, the inside of bed course is equipped with symmetrical rag bolt, every rag bolt's surface all overlaps and is equipped with fastening nut. This control existing precast pile subsides structure, through the cooperation of hydraulic stem and pneumatic cylinder, can taut fixed plate to can control the subsidence of precast pile body, can observe the settlement value through scale mark and datum line, solve present precast pile settlement control structure and only can detect the settlement value, can not effectual control precast pile subside, lead to the precast pile to sink into underground problem easily.

Description

Structure for controlling settlement of existing precast pile

Technical Field

The utility model relates to a geotechnical engineering technical field specifically is a structure that existing precast pile of control subsides.

Background

The geotechnical engineering major is a branch of civil engineering, and is a science for solving engineering technical problems about rocks and soil in various engineering by applying engineering geology, soil mechanics and rock mechanics, foundation pit enclosure engineering is one of important components of geotechnical engineering, and the existing commonly used enclosure pile forms mainly comprise four types, namely a bored pile and a waterproof cement soil pile, an underground continuous wall, a steel plate pile and a construction method pile, wherein the first two types are pile bodies which are formed by on-site pouring and mainly use reinforced concrete, so that the material consumption and the energy consumption are more, the manufacturing cost is higher, and potential safety hazards are easily generated due to the problem of on-site construction quality control.

In order to improve the safety of construction quality, foundation pit enclosure is used as a temporary project, all use values of the project can be finished after the foundation pit is backfilled, therefore, precast piles can be used for enclosure, the precast piles are used as maintenance structures, materials and energy can be saved, the construction cost is greatly reduced, the construction quality is easy to control, and the construction method has a wide development prospect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure that existing precast pile of control subsides to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a structure that existing precast pile of control subsides, includes ground, the last fixed surface on ground is connected with the bed course, the inside on ground is equipped with the precast pile body, the top of precast pile body runs through ground and bed course in proper order and extends to the top on ground, the top of bed course is equipped with the control frame, the inside of bed course is equipped with symmetrical strengthening rib, the inside of bed course is equipped with the reinforcing bar rack, the inside of bed course is equipped with symmetrical rag bolt, every rag bolt's surface all overlaps and is equipped with fastening nut.

The inner side wall of the control frame is provided with symmetrical sliding grooves, each sliding groove is internally clamped with a sliding block matched with the sliding groove, the upper surface of the control frame is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a hydraulic rod, the bottom end of the hydraulic rod is fixedly connected with a fixed plate, the left side surface and the right side surface of the fixed plate are respectively fixedly connected with one side surface of the two sliding blocks close to each other, the bottom surface of the fixed plate is fixedly connected with steel wire ropes arranged at equal intervals, the top end of the precast pile body is provided with symmetrical arc-shaped clamps, the bottom end of each steel wire rope is fixedly connected with the upper surface of each arc-shaped clamp, the left side surface and the right side surface of each arc-shaped clamp are respectively fixedly connected with a connecting plate, the upper surface of each connecting plate is provided with a through hole, the two, the outer surface of each arc-shaped clamp is provided with a limiting hole, and the inner ring of each arc-shaped clamp is fixedly connected with a symmetrical rubber pad.

Preferably, the bottom surface fixedly connected with symmetrical mounting panel of control frame, every the mounting hole has all been seted up to the upper surface of mounting panel, every rag bolt's top all runs through the mounting hole and extends to the top of mounting panel.

Preferably, symmetrical lifting lugs are fixedly connected to the upper surface of the control frame, and lifting holes are formed in the front face of each lifting lug.

Preferably, each inner wall of the fastening nut is in threaded connection with the outer surface of the foundation bolt, and the outer surface of each fastening nut is sleeved with a rain-proof cap.

Preferably, the front surface of the control frame is provided with scale marks, and the front surface of the fixing plate is provided with a reference line.

Preferably, the bottom surface of each sliding block is fixedly connected with a spring, and the bottom end of each spring is fixedly connected with the inner bottom wall of the sliding groove.

Advantageous effects

The utility model discloses possess following beneficial effect:

1. the ground bearing capacity can be improved by laying the cushion layer on the ground, the foundation bolt and the cushion layer can be connected into a whole by arranging the reinforcing ribs and the reinforcing steel bar net rack in the cushion layer, the stability of the foundation bolt is ensured, the control frame is matched with the foundation bolt through the mounting plate and the mounting hole and is connected with the foundation bolt by the fastening nut, the control frame can be conveniently mounted and fixed, the control frame is connected with the precast pile body, and the control frame can be used for controlling the settlement of the precast pile body, so that the precast pile body is prevented from sinking into the ground;

2. through the arc clamp, connecting plate and through-hole cooperation adjusting bolt and adjusting nut make precast pile body and arc press from both sides and be connected, spacing hole on pressing from both sides the arc through the banking pin is connected with the preformed hole on the precast pile body, guarantee that the arc presss from both sides gliding phenomenon can not appear, press from both sides connecting wire rope through the arc, utilize wire rope to be connected with the fixed plate, can exert the pulling force to the preformed pile body, cooperation through hydraulic stem and pneumatic cylinder, can take up the fixed plate, prevent that the fixed plate from sliding, thereby can control the settlement of precast pile body, can observe the settlement value through scale mark and datum line, it can only detect the settlement value to have solved present precast pile settlement control structure, can not effectual control precast pile subside, lead to the precast pile to sink into the underground easily, cause the problem of wasting of resources.

Drawings

Fig. 1 is a sectional view of a front view of a control frame of the present invention;

fig. 2 is a cross-sectional view of a top view of the arc clamp of the present invention;

fig. 3 is a sectional view of the cushion layer of the present invention.

In the figure: the device comprises the following components of 1 ground, 2 cushion layers, 3 mounting holes, 4 rain caps, 5 control frames, 6 springs, 7 sliding blocks, 8 hydraulic rods, 9 lifting holes, 10 hydraulic cylinders, 11 lifting lugs, 12 sliding grooves, 13 fixing plates, 14 steel wire ropes, 15 arc clamps, 16 fastening nuts, 17 mounting plates, 18 precast pile bodies, 19 connecting plates, 20 adjusting nuts, 21 limiting holes, 22 rubber pads, 23 through holes, 24 adjusting bolts, 25 foundation bolts, 26 steel bar net racks, 27 and reinforcing ribs.

Detailed Description

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

Referring to fig. 1-3, the present invention provides a technical solution: a structure for controlling the settlement of an existing precast pile comprises a ground 1, a cushion layer 2 is fixedly connected to the upper surface of the ground 1, a precast pile body 18 is arranged inside the ground 1, the top end of the precast pile body 18 sequentially penetrates through the ground 1 and the cushion layer 2 and extends to the upper side of the ground 1, a control frame 5 is arranged above the cushion layer 2, symmetrical mounting plates 17 are fixedly connected to the bottom surface of the control frame 5, a mounting hole 3 is formed in the upper surface of each mounting plate 17, the top end of each foundation bolt 25 penetrates through the mounting hole 3 and extends to the upper side of the mounting plate 17, the control frame 5 can be conveniently mounted and dismounted, symmetrical lifting lugs 11 are fixedly connected to the upper surface of the control frame 5, lifting holes 9 are formed in the front side of each lifting lug 11, the lifting of the control frame 5 can be realized, the control frame is convenient to move, symmetrical reinforcing ribs 27 are arranged inside the cushion layer 2, a reinforcing steel bar net rack, the inside of bed course 2 is equipped with symmetrical rag bolt 25, and the surface of every rag bolt 25 all overlaps and is equipped with fastening nut 16, and the inner wall of every fastening nut 16 all with rag bolt 25's surface threaded connection, the surface of every fastening nut 16 all overlaps and is equipped with rain-proof cap 4, can prevent the corrosion.

The inner side wall of the control frame 5 is provided with symmetrical sliding grooves 12, the inner part of each sliding groove 12 is clamped with a sliding block 7 matched with the sliding groove 12, the upper surface of the control frame 5 is fixedly connected with a hydraulic cylinder 10, the output end of the hydraulic cylinder 10 is fixedly connected with a hydraulic rod 8, the bottom end of the hydraulic rod 8 is fixedly connected with a fixing plate 13, the left side surface and the right side surface of the fixing plate 13 are respectively fixedly connected with one side surface of the two sliding blocks 7 close to each other, the bottom surface of the fixing plate 13 is fixedly connected with steel wire ropes 14 arranged at equal intervals, the top end of the precast pile body 18 is provided with symmetrical arc clamps 15, the bottom end of each steel wire rope 14 is fixedly connected with the upper surface of each arc clamp 15, the left side surface and the right side surface of each arc clamp 15 are respectively and fixedly connected with connecting plates 19, the upper surface of each connecting plate 19 is provided with, spacing hole 21 has all been seted up to the surface of every arc clamp 15, the equal fixedly connected with symmetrical rubber pad 22 of inner circle of every arc clamp 15, and the scale mark has been seted up on the front of control frame 5, and the datum line has been seted up on the front of fixed plate 13, can be convenient for observe the settlement value, and the equal fixedly connected with spring 6 in bottom surface of every slider 7, the bottom of every spring 6 all with the interior diapire fixed connection of spout 12, can play the effect of buffering.

The working principle is as follows: when the device is used, firstly, reinforcing ribs 27, a reinforcing steel bar net rack 26 and reserved anchor bolts 25 are bound around a precast pile body 18, then concrete is poured to form a cushion layer 2, a mounting plate 17 and a mounting hole 3 of a fastening nut 16 are used for fixing a control frame 5 firmly, then the precast pile body 18 is sleeved by an arc clamp 15, a limiting nail is inserted into a limiting hole 21 and is correspondingly inserted into a reserved hole of the precast pile body 18, the arc clamp 15 is fastened by an adjusting bolt 24 and an adjusting nut 20, after the fixing is finished, a hydraulic cylinder 10 returns oil to pull a hydraulic rod 8 to retract, so that the hydraulic rod 8 pulls a fixing plate 13 to tension a steel wire rope 14 under the matching of a sliding block 7 and a sliding groove 12, and the control of the precast pile body 18 is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a structure that control existing precast pile subsides, includes ground (1), its characterized in that: the ground structure is characterized in that a cushion layer (2) is fixedly connected to the upper surface of the ground (1), a precast pile body (18) is arranged inside the ground (1), the top end of the precast pile body (18) sequentially penetrates through the ground (1) and the cushion layer (2) and extends to the upper side of the ground (1), a control frame (5) is arranged above the cushion layer (2), symmetrical reinforcing ribs (27) are arranged inside the cushion layer (2), a reinforcing steel bar net rack (26) is arranged inside the cushion layer (2), symmetrical foundation bolts (25) are arranged inside the cushion layer (2), and fastening nuts (16) are sleeved on the outer surface of each foundation bolt (25);

symmetrical sliding grooves (12) are formed in the inner side wall of the control frame (5), sliding blocks (7) matched with the sliding grooves (12) are clamped in the sliding grooves (12), a hydraulic cylinder (10) is fixedly connected to the upper surface of the control frame (5), hydraulic rods (8) are fixedly connected to the output ends of the hydraulic cylinders (10), a fixing plate (13) is fixedly connected to the bottom end of each hydraulic rod (8), the left side surface and the right side surface of each fixing plate (13) are fixedly connected to one side surface, close to the two sliding blocks (7), of each sliding block (7), steel wire ropes (14) are fixedly connected to the bottom surface of each fixing plate (13) and are arranged at equal intervals, symmetrical arc-shaped clamps (15) are arranged at the top end of the precast pile body (18), the bottom end of each steel wire rope (14) is fixedly connected to the upper surface of each arc-shaped clamp (15), and connecting plates (19) are fixedly connected to, the upper surface of each connecting plate (19) is provided with a through hole (23), the two arc-shaped clamps (15) are fixedly connected through adjusting bolts (24), the outer surface of each adjusting bolt (24) is sleeved with an adjusting nut (20), the outer surface of each arc-shaped clamp (15) is provided with a limiting hole (21), and the inner ring of each arc-shaped clamp (15) is fixedly connected with a symmetrical rubber pad (22).

2. The structure for controlling the settlement of the existing precast pile according to claim 1, wherein: the symmetrical mounting panel (17) of bottom surface fixedly connected with of control frame (5), every mounting hole (3) have all been seted up to the upper surface of mounting panel (17), every mounting hole (3) are all run through and extend to the top of mounting panel (17) to the top of rag bolt (25).

3. The structure for controlling the settlement of the existing precast pile according to claim 1, wherein: symmetrical lifting lugs (11) are fixedly connected to the upper surface of the control frame (5), and lifting holes (9) are formed in the front face of each lifting lug (11).

4. The structure for controlling the settlement of the existing precast pile according to claim 1, wherein: every the inner wall of fastening nut (16) all with rag bolt (25) surface threaded connection, every the surface of fastening nut (16) all is equipped with rain-proof cap (4).

5. The structure for controlling the settlement of the existing precast pile according to claim 1, wherein: the front surface of the control frame (5) is provided with scale marks, and the front surface of the fixing plate (13) is provided with a datum line.

6. The structure for controlling the settlement of the existing precast pile according to claim 1, wherein: every the equal fixedly connected with spring (6) in bottom surface of slider (7), every the bottom of spring (6) all with the interior diapire fixed connection of spout (12).