CN218934343U

CN218934343U - Pile foundation hole central point positioning auxiliary device

Info

Publication number: CN218934343U
Application number: CN202223052000.5U
Authority: CN
Inventors: 戴伟; 李威
Original assignee: Jiangsu Provincial Transportation Engineering Group Co Ltd
Current assignee: Jiangsu Provincial Transportation Engineering Group Co Ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-04-28
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a pile foundation hole center point positioning auxiliary device, which has the technical scheme that: the hydraulic servo device comprises a mounting plate, wherein a positioning groove is formed in the upper surface of the mounting plate, a plurality of first hinging blocks which are circumferentially distributed are arranged on one side of the mounting plate, a servo hydraulic cylinder is hinged to the first hinging blocks, a second hinging block is fixedly arranged at the end part of the servo hydraulic cylinder, an arc-shaped positioning plate is hinged to the second hinging block through a pin, a bolt is connected onto the end surface of the servo hydraulic cylinder in a threaded manner, and a push rod assembly is arranged between the bolt and the mounting plate; install two symmetrical support frames on the lower surface of mounting panel, inject the straightness that hangs down of bull stick, avoid the bull stick level to take place the skew when rotatory, improve bull stick level pivoted stationarity, reduce the skew of drill bit angle, improve pile foundation hole central point's position stability, increase the precision of punching.

Description

Pile foundation hole central point positioning auxiliary device

Technical Field

The utility model relates to the technical field of building pile foundations, in particular to a pile foundation hole center point positioning auxiliary device.

Background

The foundation pile hole is a hole of a poured concrete pile which is drilled for reinforcing an underground foundation and improving the bearing capacity and the earthquake resistance of a building foundation, the foundation pile hole is required to be dug by a rotary digging machine in the building construction process, the rotary digging machine lacks positioning measures in the digging process, the positioning measures are completely carried out by virtue of the proficiency of operators, the center of each digging is difficult to unify, the foundation pit is enlarged, and when the foundation pit is subsequently placed into a pile foundation, the deviation condition of the pile foundation easily occurs in the oversized foundation pit, so that the construction quality is influenced;

at present, partial positioning auxiliary device relies on guiding action to rectify the drill bit of rotary excavator, can improve pile foundation hole central point's location accuracy, but the bull stick long-term use, the straightness that hangs down easily takes place the skew, leads to the straightness that hangs down of bull stick to change, when the bull stick drives the drill bit rotation for the drill bit takes place the skew easily, leads to pile foundation hole central point to take place the deviation easily, reduces the precision of punching.

Disclosure of Invention

In view of the problems mentioned in the background art, an object of the present utility model is to provide an auxiliary device for positioning a center point of a pile foundation hole, so as to solve the problems mentioned in the background art.

The technical aim of the utility model is realized by the following technical scheme:

the pile foundation hole center point positioning auxiliary device comprises a mounting plate, wherein a positioning groove is formed in the upper surface of the mounting plate, a plurality of first hinge blocks which are circumferentially distributed are arranged on one side of the mounting plate, a plurality of servo hydraulic cylinders are hinged to the first hinge blocks, second hinge blocks are fixedly arranged at the end parts of the servo hydraulic cylinders, arc-shaped positioning plates are hinged to the second hinge blocks through pins, bolts are connected to the end faces of the servo hydraulic cylinders in a threaded mode, and push rod assemblies are arranged between the bolts and the mounting plate;

two symmetrical supporting frames are arranged on the lower surface of the mounting plate, two moving wheels are arranged on the supporting frames, a second electric push rod is arranged on one side of the supporting frames, and a supporting plate is welded on the output end of the second electric push rod.

Through adopting above-mentioned technical scheme, constant head tank convenience block on the mounting panel is on the bull stick of digger soon, the push rod subassembly of installation on the mounting panel conveniently adjusts the vertical rotation angle of articulated servo hydraulic cylinder on the first articulated piece, can be with articulated arc locating plate laminating on the bull stick surface that has on the second articulated piece, thereby inject the straightness that hangs down of bull stick, avoid the bull stick to take place the skew at rotatory time level, improve bull stick horizontal pivoted stationarity, reduce the deflection of drill bit angle, improve pile foundation hole central point's position stability, increase the precision of punching, servo hydraulic cylinder can be according to the height of bull stick, adjust the locating height of arc locating plate, can fix a position the bull stick of different length, improve the suitability, two movable wheels convenience devices of installation on the support frame can nimble remove, conveniently drive the backup pad vertical downward movement through the second electric putter, thereby jack-up the device, improve the holistic fastness of device, reduce rocking, improve the stability of device work.

Preferably, a limiting block is welded on the side face of the second hinging block, and one side of the limiting block abuts against the surface of the arc-shaped positioning plate.

Through adopting above-mentioned technical scheme, conveniently restrict the rotation angle of arc locating plate through the stopper, keep vertical angle in the course of the work, improve the precision of work.

Preferably, the push rod assembly comprises a sleeving block, a third hinging block and a first electric push rod, wherein the third hinging block is fixedly installed on the installation plate and hinged with one end of the first electric push rod, and the sleeving block is inserted on the bolt and fixedly connected with the other end of the first electric push rod.

Through adopting above-mentioned technical scheme, the suit piece cartridge is on the bolt, and first electric putter's both ends are installed respectively on suit piece and third hinge piece, can adjust servo hydraulic cylinder's vertical operational angle, make things convenient for the laminating of arc locating plate on the bull stick, to the vertical angle of bull stick.

Preferably, the support frame comprises two support columns and a bottom plate, the lower sides of the two support columns are welded on the bottom plate, the upper side of the support columns is welded on the lower surface of the mounting plate, and the second electric push rod and the moving wheel are mounted on the bottom plate.

Through adopting above-mentioned technical scheme, fix the bottom plate through two support columns convenience, improve the structural strength of bottom plate.

Preferably, two symmetrical guide holes are formed in the bottom plate, guide rods are inserted into the guide holes, and the lower ends of the guide rods are fixedly mounted on the support plate.

Through adopting above-mentioned technical scheme, through the guide bar of the downthehole cartridge of guide, be favorable to improving the stationarity of backup pad vertical movement.

Preferably, a plurality of symmetrically distributed inserted nails are equidistantly arranged on the lower surface of the supporting plate.

Through adopting above-mentioned technical scheme, a plurality of inserted pins of backup pad bottom installation can improve backup pad and ground contact's fastness.

Preferably, the number of the arc-shaped positioning plates is three, and the arc-shaped positioning plates are provided with fillets.

Through adopting above-mentioned technical scheme, three arc locating plates of group can carry out spacingly with the circumference surface of bull stick, improve the stationarity of the vertical rotation angle of bull stick, reduce the position deflection angle.

In summary, the utility model has the following advantages:

first, in this pile foundation hole central point location auxiliary device, the constant head tank on the mounting panel makes things convenient for the block on the bull stick of rotary excavator, the push rod subassembly of installation on the mounting panel makes things convenient for adjusting the vertical rotation angle of articulated servo hydraulic cylinder on the first articulated piece, can laminate articulated on the second articulated piece have the arc locating plate on the bull stick surface, thereby inject the straightness that hangs down of bull stick, avoid the bull stick to take place the skew horizontally when rotatory, improve bull stick horizontal pivoted stationarity, reduce the skew of drill bit angle, improve pile foundation hole central point's position stability, increase the precision of punching, servo hydraulic cylinder can be according to the height of bull stick, adjust the locating height of arc locating plate, can fix a position the bull stick of different length, improve the suitability;

in the second pile foundation hole center point positioning auxiliary device, two movable wheels mounted on the support frame can flexibly move, and the support plate is conveniently driven to vertically move downwards through the second electric push rod, so that the device is jacked up, the overall firmness of the device is improved, shaking is reduced, and the working stability of the device is improved.

Drawings

FIG. 1 is one of the structural schematic diagrams of the present utility model;

FIG. 2 is a second schematic diagram of the structure of the present utility model;

fig. 3 is a partial enlarged view of fig. 2 at a.

Reference numerals: 1. a mounting plate; 2. a positioning groove; 3. a first hinge block; 4. a servo hydraulic cylinder; 5. a second hinge block; 6. an arc-shaped positioning plate; 7. a bolt; 8. a push rod assembly; 81. a suit block; 82. a third hinge block; 83. a first electric push rod; 9. a support frame; 91. a support column; 92. a bottom plate; 10. a moving wheel; 11. a second electric push rod; 12. a support plate; 13. a limiting block; 14. a guide hole; 15. a guide rod; 16. and (5) inserting nails.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a pile foundation hole center point positioning auxiliary device comprises a mounting plate 1, wherein a positioning groove 2 is formed in the upper surface of the mounting plate 1, a plurality of circumferentially distributed first hinging blocks 3 are arranged on one side of the mounting plate, a servo hydraulic cylinder 4 is hinged on each of the first hinging blocks 3, a second hinging block 5 is fixedly arranged at the end part of each servo hydraulic cylinder 4, an arc-shaped positioning plate 6 is hinged on each second hinging block 5 through a pin, a bolt 7 is connected to the end surface of each servo hydraulic cylinder 4 in a threaded manner, a push rod assembly 8 is arranged between each bolt 7 and the mounting plate 1, each push rod assembly 8 comprises a sleeving block 81, a third hinging block 82 and a first electric push rod 83, the third hinging block 82 is fixedly arranged on the mounting plate 1 and is hinged with one end of each first electric push rod 83, the sleeving blocks 81 are inserted on the bolts 7 and are fixedly connected with the other end of each first electric push rod 83, two ends of each first electric push rod 83 are respectively arranged on the sleeving blocks 81 and the third hinging block 82, the two ends of each first electric push rod 83 can adjust the working angle of the servo hydraulic cylinder 4 to be attached to the arc-shaped positioning plates 6 conveniently;

install the support frame 9 of two symmetries on the lower surface of mounting panel 1, support frame 9 includes two support columns 91 and a bottom plate 92, the downside of two support columns 91 all welds on bottom plate 92, and the upside welds on the lower surface of mounting panel 1, second electric putter 11 and removal wheel 10 all install on bottom plate 92, it is convenient to fix bottom plate 92 through two support columns 91, improve bottom plate 92's structural strength, install two removal wheels 10 on the support frame 9, and one side installs second electric putter 11, the welding has backup pad 12 on the output of second electric putter 11.

Referring to fig. 3, a limiting block 13 is welded on the side surface of the second hinge block 5, one side of the limiting block 13 abuts against the surface of the arc-shaped positioning plate 6, the rotation angle of the arc-shaped positioning plate 6 is conveniently limited by the limiting block 13, the vertical angle is maintained in the working process, and the working precision is improved.

Referring to fig. 1 and 2, two symmetrical guide holes 14 are formed in the bottom plate 92, guide rods 15 are inserted into the guide holes 14, the lower ends of the guide rods 15 are fixedly arranged on the support plate 12, and the stability of the vertical movement of the support plate 12 is improved through the guide rods 15 inserted into the guide holes 14.

Referring to fig. 1 and 2, a plurality of symmetrically distributed pins 16 are equidistantly installed on the lower surface of the support plate 12, and the plurality of pins 16 installed at the bottom of the support plate 12 can improve the contact firmness of the support plate 12 with the ground.

Referring to fig. 1 and 2, the number of the arc-shaped locating plates 6 is three, and the arc-shaped locating plates 6 are provided with round corners, the three groups of arc-shaped locating plates 6 can limit the circumferential surface of the rotating rod, so that the stability of the vertical rotating angle of the rotating rod is improved, and the position deflection angle is reduced.

The use principle and the advantages are that:

this pile foundation hole central point positioning auxiliary device when using, two removal wheels 10 that install on the support frame 9 make the device can nimble remove, the constant head tank 2 block on the mounting panel 1 is on the bull stick of rotary digger, servo hydraulic cylinder 4 can be according to the height of bull stick, adjust the locating height of arc locating plate 6, the push rod subassembly 8 of installation on the mounting panel 1 conveniently adjusts the vertical rotation angle of articulated servo hydraulic cylinder 4 on the first articulated piece 3, can laminate articulated arc locating plate 6 on the second articulated piece 5 on the bull stick surface, thereby inject the straightness that hangs down of bull stick, horizontal skew in rotatory time of avoiding the bull stick, improve bull stick horizontal pivoted stationarity, reduce the skew of drill bit angle.

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

Claims

1. Pile foundation hole central point location auxiliary device, including mounting panel (1), its characterized in that: a positioning groove (2) is formed in the upper surface of the mounting plate (1), a plurality of first hinging blocks (3) which are circumferentially distributed are arranged on one side of the positioning groove, a plurality of servo hydraulic cylinders (4) are hinged to the first hinging blocks (3), second hinging blocks (5) are fixedly arranged at the end parts of the servo hydraulic cylinders (4), arc-shaped positioning plates (6) are hinged to the second hinging blocks (5) through pins, bolts (7) are connected to the end faces of the servo hydraulic cylinders (4) in a threaded mode, and push rod assemblies (8) are arranged between the bolts (7) and the mounting plate (1);

two symmetrical supporting frames (9) are arranged on the lower surface of the mounting plate (1), two moving wheels (10) are arranged on the supporting frames (9), a second electric push rod (11) is arranged on one side of the supporting frames, and a supporting plate (12) is welded on the output end of the second electric push rod (11).

2. The pile foundation hole center point positioning auxiliary device according to claim 1, wherein: a limiting block (13) is welded on the side face of the second hinging block (5), and one side of the limiting block (13) is abutted against the surface of the arc-shaped positioning plate (6).

3. The pile foundation hole center point positioning auxiliary device according to claim 1, wherein: the push rod assembly (8) comprises a sleeving block (81), a third hinging block (82) and a first electric push rod (83), wherein the third hinging block (82) is fixedly installed on the installation plate (1) and hinged with one end of the first electric push rod (83), and the sleeving block (81) is inserted on the bolt (7) and fixedly connected with the other end of the first electric push rod (83).

4. The pile foundation hole center point positioning auxiliary device according to claim 1, wherein: the support frame (9) comprises two support columns (91) and a bottom plate (92), the lower sides of the two support columns (91) are welded on the bottom plate (92), the upper sides of the support columns are welded on the lower surface of the mounting plate (1), and the second electric push rod (11) and the moving wheel (10) are mounted on the bottom plate (92).

5. The pile foundation pit center point positioning aid of claim 4, wherein: two symmetrical guide holes (14) are formed in the bottom plate (92), guide rods (15) are inserted into the guide holes (14), and the lower ends of the guide rods (15) are fixedly arranged on the supporting plate (12).

6. The pile foundation hole center point positioning auxiliary device according to claim 1, wherein: a plurality of symmetrically distributed inserted nails (16) are equidistantly arranged on the lower surface of the supporting plate (12).

7. The pile foundation hole center point positioning auxiliary device according to claim 1, wherein: the number of the arc-shaped positioning plates (6) is three, and round corners are arranged on the arc-shaped positioning plates (6).