CN116791686A - Pile foundation defect detection patching device - Google Patents

Abstract

The application discloses a pile foundation defect detection and repair device, which comprises a driving frame, wherein a driving assembly is arranged on the driving frame, a rotating seat is further arranged on the driving frame, the driving assembly is used for driving the rotating seat to vertically move along the driving frame, a rotating assembly is further arranged on the driving frame, the rotating assembly is used for driving the rotating seat to rotate, a rock core pipe and a guide pipe are arranged on the rotating seat, the rock core pipe and the guide pipe are both detachably connected with the rotating seat, the guide pipe is sleeved on the outer side of the rock core pipe, the guide pipe and the rock core pipe do not interfere with each other, and the rock core pipe is used for drilling and coring. After the core barrel is drilled, the guide pipe can be detached to take out the core barrel, and the guide pipe is reserved in the hole to be repaired by matching with grouting equipment and stirring equipment. The guide pipe that sets up can enough bore and get with take out the time playing the guide effect at the rock core, also can keep somewhere in the pile foundation after boring, for grout and agitated vessel provide the guide effect, reduce the condition of interfering the pile foundation.

Description

Pile foundation defect detection patching device

Technical Field

The application relates to the field of building construction, in particular to a pile foundation defect detection and repair device.

Background

The bored pile is a pile formed by forming a pile hole in foundation soil on an engineering site by means of mechanical boring, steel pipe soil squeezing, manual excavation or the like, then arranging a reinforcement cage in the pile hole, and pouring concrete into the pile, and is usually used as a pile foundation of a building.

In order to obtain various data and performances of the pile foundation, a core drilling method is generally adopted in the prior art, after a core is drilled on the pile foundation with casting partially completed, the extracted core can be visually observed and detected to obtain various data of the core, the performances of the core are ensured to meet the requirements, whether the core needs to be repaired or not is selected according to the condition of the core after the core is extracted in the prior art, when the hole with a longer extracted core is repaired, interference is easily formed between stirring equipment and grouting equipment when the stirring equipment stretches into the hole, the stirring equipment is clamped in the hole or the hole is damaged, and the overall detection and repair efficiency is low.

Disclosure of Invention

In order to solve the problems that whether a rock core needs to be repaired or not after being taken out according to the condition of the rock core in the prior art, when repairing is carried out at a hole with a longer rock core taking-out position, the stirring equipment and the grouting equipment are easy to interfere in the hole, are blocked in the hole or cause damage to the hole, and the overall detection and repair efficiency is low, the application provides a pile foundation defect detection and repair device.

The utility model provides a pile foundation defect detection patching device, includes the drive frame, be equipped with drive assembly on the drive frame, still be equipped with on the drive frame and rotate the seat, drive assembly is used for driving to rotate the seat along the vertical motion of drive frame, still be equipped with on the drive frame and rotate the subassembly, it is used for driving to rotate the seat to rotate, be equipped with core pipe and stand pipe on the rotation seat, core pipe and stand pipe all can dismantle with rotating the seat and be connected, the outside of core pipe is located to the stand pipe cover, stand pipe and core pipe mutually noninterfere, the core pipe is used for drilling core. After the core barrel is drilled, the guide pipe can be detached to take out the core barrel, and the guide pipe is reserved in the hole to be repaired by matching with grouting equipment and stirring equipment.

Through adopting above-mentioned technical scheme, with core tube and stand-by, the back all is connected with the stand that rotates, it can drive core tube and stand-by simultaneously to rotate, under drive assembly's effect, core tube and stand-by drill into to the ground, drill and get the core, the stand-by can provide guiding action for the core tube when boring, reduce core tube skew when boring and lead to the impaired condition of core, accomplish and bore the back, then can lift down the stand-by and keep somewhere in the hole of boring, when defect such as the core that takes out exists the vacuole, stretch down grouting equipment and agitated vessel along the stand-by, carry out grouting repair, the stand-by can provide guiding action for grouting equipment and agitated vessel this moment, reduce grouting equipment and agitated vessel and pile foundation formation interference jam or cause the circumstances of pile foundation damage, also can provide guiding action for the thick liquid of filling, the stand-by provides guiding action for boring core and grouting simultaneously, detect and repair holistic efficiency has been improved.

Optionally, still include connecting screw, it has the connecting hole to open on the rotation seat, the connecting hole runs through the rotation seat setting, it has the connecting hole that corresponds to open on the core barrel, connecting screw and connecting hole threaded connection just run through core barrel and mount pad setting, connecting screw's both ends are provided with fastening nut, fastening nut is used for supporting the outer wall of tight core barrel.

Through adopting above-mentioned technical scheme, set up connecting screw on rotating the seat, connecting screw runs through and rotates the seat back and be connected with the core barrel to fasten through fastening nut, make the core barrel rotate along with rotating the seat, and when taking out the core barrel, the core barrel can rotate along connecting screw to a certain extent, angle regulation is in order to take out the core barrel, the convenience when improving the core drilling.

Optionally, the butt joint hole has been seted up on the core tube, the butt joint hole sets up in the downside of connecting hole, also be provided with corresponding butt joint hole on the stand pipe, butt joint hole department is provided with the butt joint screw rod, butt joint screw rod threaded connection is on the butt joint hole, the butt joint screw rod runs through core tube and stand pipe in proper order, the stand pipe is equipped with fastening nut corresponding to the stand pipe at butt joint screw rod both ends, fastening nut of stand pipe department is used for supporting tight stand pipe.

Through adopting above-mentioned technical scheme, set up butt joint hole and butt joint screw rod on the core barrel to fix the stand pipe on the core barrel through fastening nut, make the stand pipe rotate along with the core barrel, and the dismouting is convenient, and is also less to the influence that the core was got.

Optionally, the core barrel is longer than the guide pipe, and the core barrel is deeper than the guide pipe during drilling.

Through adopting above-mentioned technical scheme, when boring, the core pipe is dark than the stand pipe, can reduce the stand pipe and contact the pile foundation and pivoted condition before the core pipe to reduce the condition that produces the broken rock and get into the core intraductal, improve the quality of boring the core of taking out, thereby reduce the condition of boring many times, improve whole work efficiency.

Optionally, the core barrel includes a plurality of body, a plurality of detachable connection between the body is provided with on the body that is located the core barrel bottom and bores the tooth, it encircles the body setting to bore the tooth.

By adopting the technical proposal, a plurality of pipe bodies are spliced to form a rock core pipe, drilling teeth are arranged on the pipe bodies positioned at the bottom, different numbers of pipe bodies can be selected for splicing according to the length required to be drilled before drilling, the applicability is improved, after the rock core is taken out, part of pipe bodies can be disassembled to facilitate the taking out of the rock core,

optionally, the bottom of stand pipe is provided with bores the tooth, it sets up around the stand pipe to bore the tooth, it sets up towards the core barrel and is used for sheltering from the garrulous rock to bore the tooth.

Through adopting above-mentioned technical scheme, the bottom of stand pipe sets up bores the tooth, and the stand pipe also can bore partial rock when following core pipe downstream and rotating, reduces the circumstances that wearing and tearing appear in stand pipe and rock contact, reduces the stand pipe and is blocked and the unable circumstances of downstream, and bores the tooth towards the core pipe setting, can reduce the condition that broken rock got into between core pipe and the stand pipe, reduces the broken rock and is located the core pipe and blocks the condition of both between the stand pipe.

Optionally, still be equipped with the rubber pad on the butt joint screw rod, rubber pad and butt joint screw rod sliding connection, the rubber pad sets up between core barrel and stand pipe, one side butt core barrel of rubber pad, opposite side butt stand pipe.

Through adopting above-mentioned technical scheme, set up the rubber pad with the two butt between core barrel and stand pipe, the both sides of rubber pad all have frictional force for fixed between stand pipe and the core barrel is more stable, and can restrict the displacement of stand pipe, and the stand pipe reduces the circumstances of skew on the butt joint screw rod when rotating, improves stability.

Optionally, still be equipped with the mount on the outer wall of stand pipe, the mount sets up towards the outside of stand pipe, the mount is equipped with the fixing base towards ground, the fixing base is used for with ground butt.

Through adopting above-mentioned technical scheme, take out the back with core pipe and core, can use the fixing base to fix stand pipe and ground, when grouting and stirring, improve the stability of core pipe, further improve the stability of work.

Optionally, the size and shape of the butt joint hole on the guide tube are the same as those of the connecting hole on the rotating seat.

Through adopting above-mentioned technical scheme, when taking out the stand-by stand pipe, can be connected the stand pipe with rotating the seat with the help of butt joint hole and connecting hole, drive assembly can stimulate the stand pipe and take out in the pile foundation afterwards, improves the convenience.

In summary, the application has at least the following advantages:

1. the application solves the problems that whether the rock core needs to be repaired or not is selected according to the condition of the rock core after the rock core is taken out in the prior art, when repairing is carried out at a hole with a longer taken out rock core, the stirring equipment and the grouting equipment are easy to interfere with each other and are blocked in the hole or cause damage to the hole, and the overall detection and repair efficiency is low.

2. The rock core pipe is formed by splicing a plurality of pipe bodies, different numbers of rock core pipes can be selected for splicing according to the required rock core length during detection, the rock core pipes are spliced with the guide pipes through the butt-joint screw rods, the rock core pipes are spliced with the rotating seats through the connecting screw rods, the spliced connecting holes are the same as the butt-joint holes in size, the guide pipes can be spliced outside the rock core pipes after the rotating seats are connected with the rock core pipes, the rotating seats can be directly spliced with the guide pipes, the left guide pipes can be conveniently taken out, and convenience is improved.

Drawings

Fig. 1 is a perspective view of the present embodiment.

Fig. 2 is a sectional view of the present embodiment.

Reference numerals illustrate:

1. a drive rack; 11. a guide rod; 12. a screw rod; 13. a driving motor; 14. drilling;

2. a moving rack; 21. a rotating seat; 22. a rotating motor;

3. core pipe; 31. a tube body; 311. a threaded tube; 312. a threaded section; 313. a connection hole; 314. drilling teeth; 32. a connecting screw; 321. a fastening nut;

4. a guide tube; 41. a butt joint hole; 42. docking the screw; 43. a rubber pad; 44. a fixing frame; 45. a fixing seat; 451. a base; 452. a mounting rod;

Detailed Description

The application is further illustrated by the following examples in conjunction with figures 1-2.

The utility model provides a pile foundation defect detection patching device, as shown in fig. 1 and 2, includes drive frame 1, and one side of drive frame 1 is provided with drive assembly, and the opposite side of drive frame 1 then is provided with guide bar 11, and drive assembly includes lead screw 12, driving motor 13, and driving motor 13's pivot and lead screw 12 fixed connection, lead screw 12 and drive frame 1 rotation wheel are connected. The guide rod 12 and the guide rod 11 are vertically arranged along the driving frame 1, a movable frame 2 is arranged between the guide rod 11 and the guide rod 12, one end of the movable frame 2 is in threaded connection with the guide rod 11, and the other end of the movable frame is in sliding connection with the guide rod 11. In particular, when the driving motor 13 works, the screw rod 12 rotates, and after the screw rod 12 rotates, the other end of the rotating seat 21 is limited on the guide rod 11, and the movable frame 2 cannot rotate, so that the movable frame 2 can only move up and down along the screw rod 12. In other embodiments, the driving assembly may further include an air cylinder and an oil cylinder, where the air cylinder or the oil cylinder may be directly fixedly connected with the moving frame 2, and both ends of the moving frame 2 are provided with guide rods 11, and the air cylinder or the oil cylinder may directly drive the moving frame 2 to move up and down.

As shown in fig. 1 and 2, a rotating seat 21 is disposed on the moving frame 2, the rotating seat 21 is rotatably connected to the moving frame 2, a rotating assembly is disposed on the moving frame 2 corresponding to the rotating seat 21, the rotating assembly includes a rotating motor 22, and a rotating shaft of the rotating motor 22 is fixedly connected with the rotating seat 21. The bottom of the driving frame 1 is provided with a drilling hole 14 corresponding to the rotating seat 21. In specific implementation, the drill hole 14 is placed at a position corresponding to the pile foundation, and the rotary seat 21 can be driven to rotate when the rotary motor 22 works. In other embodiments, the rotating assembly may further include a bearing, and the rotating base 21 may be rotatably connected to the moving frame 2 by means of the bearing, so that friction is reduced to improve rotation efficiency.

As shown in fig. 1 and 2, the rock core pipe 3 further comprises a rock core pipe 3, the rock core pipe 3 comprises a plurality of pipe bodies 31, the upper end of each pipe body 31 is provided with a threaded pipe 311 in an upward protruding mode, the lower end of each pipe body 31 is provided with a threaded section 312 corresponding to the threaded pipe 311, and each pipe body 31 is in threaded connection with the adjacent pipe body 31 through the threaded pipe 311 and the threaded section 312. The uppermost pipe body 31 and the rotating seat 21 are provided with corresponding connecting holes 313, connecting screws 32 are arranged in the connecting holes 313, the connecting screws 32 penetrate through the rotating seat 21 and the pipe body 31, the connecting screws 32 are connected in the connecting holes 313 in a threaded manner, fastening nuts 321 are arranged at two ends of the connecting screws 32, and the fastening nuts 321 are connected with the connecting screws 32 in a threaded manner. Wherein the bottom of the tube 31 at the lowest end is provided with drilling teeth 314, the drilling teeth 314 are arranged around the tube 31, and the drilling teeth 314 are integrally arranged with the tube 31. In specific implementation, the fastening nut 321 is abutted with the pipe body 31 provided with the connecting screw 32, the rotating seat 21 can drive the whole rock core pipe 3 to rotate, the whole rock core pipe 3 can move downwards and rotate simultaneously under the cooperation of the moving frame 2, and the rock core can be drilled on a pile foundation to be taken out after penetrating through the drilling teeth 314 on the bottom pipe body 31 and penetrating through the drilling hole 14 of the driving frame 1. In other embodiments, the core barrel 3 may also employ a double layer core barrel 3 to improve efficiency and stability of core drilling.

As shown in fig. 1 and 2, the device further comprises a guide pipe 4, the guide pipe 4 is sleeved on the outer side of the core barrel 3, and a certain distance is reserved between the guide pipe 4 and the core barrel 3. The connecting pipe body 31 of the rotating seat 21 is provided with a butt joint hole 41 corresponding to the guide pipe 4, the butt joint hole 41 is arranged at the lower side of the connecting hole 313 on the pipe body 31, and the guide pipe 4 is also provided with a corresponding butt joint hole 41. The butt joint hole 41 department is provided with butt joint screw rod 42, and butt joint screw rod 42 threaded connection is on butt joint hole 41, and butt joint screw rod 42 runs through core barrel 3 and stand pipe 4 in proper order, and the both ends of butt joint screw rod 42 also are provided with fastening nut 321, fastening nut 321 and butt joint screw rod 42 threaded connection. The butt joint screw rod 42 is further provided with a rubber pad 43, the rubber pad 43 is in sliding connection with the butt joint screw rod 42, the rubber pad 43 is arranged between the rock core pipe 3 and the guide pipe 4, one end of the rubber pad 43 is in butt joint with the outer wall of the pipe body 31 of the rock core pipe 3, and the other end of the rubber pad is in butt joint with the inner wall of the guide pipe 4, so that the deflection condition of the guide pipe 4 is reduced in a friction improvement mode. In practice, the size and shape of the docking hole 41 is the same as the size and shape of the connection hole 313, so that the guide tube 4 is connected to the rotation to lift the detached guide tube 4.

As shown in fig. 1 and 2, the guide tube 4 is shorter than the entirety of the core barrel 3, and the bottom of the guide tube 4 is higher than the bottom of the core barrel 3. The bottom of stand pipe 4 also is provided with bores tooth 314, and the brill tooth 314 of stand pipe 4 bottom encircles stand pipe 4 setting, and the brill tooth 314 of stand pipe 4 bottom pair sets up towards core barrel 3, and the space between core barrel 3 and stand pipe 4 is sheltered from to the brill tooth 314 of stand pipe 4. In specific implementation, the guide pipe 4 moves towards the ground along with the core pipe 3 and drills, the core pipe 3 drills first, the guide pipe 4 drills again, the broken pile foundation reduces the force used for drilling the guide pipe 4, the condition that the guide pipe 4 currently drills to take out broken rock and enters the core pipe 3 can be reduced, and the drill teeth 314 on the guide pipe 4 can prevent the broken rock from entering the space between the guide pipe 4 and the core pipe 3.

As shown in fig. 1 and 2, a fixing frame 44 is further provided on the outer wall of the upper portion of the guide tube 4, the fixing frame 44 is integrally provided with the guide tube 4, and the fixing frames 44 are circumferentially spaced around the outer wall of the guide tube 4. The fixing frame 44 is provided with a mounting hole, and the mounting rod 452 is provided with a fixing seat 45. The fixing seat 45 includes a mounting rod 452 and a seat body 451, wherein the mounting rod 452 is disposed on the upper side of the seat body 451 and integrally disposed with the seat body 451, the mounting rod 452 is in threaded connection with the fixing frame 44, and the mounting rod 452 is also provided with a fastening nut 321. In specific implementation, the upper part of the guide pipe 4 does not extend into the pile foundation, when the guide pipe 4 is left in the pile foundation, the fixing seat 45 can be installed on the fixing frame 44, the height of the fixing seat 45 can be adjusted to be in butt joint with the ground through threaded connection, and the adjusted height can be fixed through the fastening nut 321, so that the guide pipe 4 and the ground are fixed.

Working principle: the driving frame 1 is aligned to the position of the pile foundation to be drilled and detected, the pipe body 31 is spliced into the core pipe 3, the guide pipe 4 is sleeved outside the core pipe 3, the core pipe 3 is connected with the rotating seat 21, the guide pipe 4 is connected with the core pipe 3, installation can be completed, the driving motor 13 and the rotating motor 22 work simultaneously, the guide pipe 4 and the core pipe 3 move downwards simultaneously and rotate, the core is drilled and taken out of the pile foundation, after drilling is completed, the guide pipe 4 is detached and left in the pile foundation, the core pipe 3 and the core are taken out through the driving motor 13, the core condition is observed, when the core has defects, grouting equipment and stirring equipment can repair the pile foundation under the guide of the guide pipe 4, the guide pipe 4 is connected with the rotating seat 21 during grouting repair, the guide pipe 4 is pulled out of the pile foundation while repairing, and when the core has no defects, the construction can be continued.

The above is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (9)

1. A pile foundation defect detection patching device, its characterized in that: including drive frame (1), be equipped with drive assembly on drive frame (1), still be equipped with on drive frame (1) and rotate seat (21), drive assembly is used for driving rotation seat (21) along drive frame (1) vertical motion, still be equipped with rotation assembly on drive frame (1), rotation assembly is used for driving rotation seat (21) and rotates, be equipped with core tube (3) and stand pipe (4) on rotation seat (21), core tube (3) and stand pipe (4) all can dismantle with rotation seat (21) and be connected, the outside of core tube (3) is located to stand pipe (4) cover, stand pipe (4) and core tube (3) are not interfered each other, core tube (3) are used for the drill core, after core tube (3) are accomplished the drill core, stand pipe (4) are taken out core tube (3), stand pipe (4) are kept somewhere grouting equipment and stirring equipment and are repaired in the hole.

2. The pile foundation defect detection and repair device of claim 1, wherein: still include connecting screw (32), it has connecting hole (313) to open on rotation seat (21), connecting hole (313) run through rotation seat (21) and set up, it has corresponding connecting hole (313) to open on core tube (3), connecting screw (32) and connecting hole (313) threaded connection just run through core tube (3) and mount pad setting, the both ends of connecting screw (32) are provided with fastening nut (321), fastening nut (321) are used for supporting the outer wall of tight core tube (3).

3. The pile foundation defect detection and repair device of claim 2, wherein: the butt joint hole (41) has been seted up on core tube (3), butt joint hole (41) set up in the downside of connecting hole (313), also be provided with corresponding butt joint hole (41) on stand pipe (4), butt joint hole (41) department is provided with butt joint screw rod (42), butt joint screw rod (42) threaded connection is on butt joint hole (41), butt joint screw rod (42) run through core tube (3) and stand pipe (4) in proper order, butt joint screw rod (42) both ends correspond stand pipe (4) and are equipped with fastening nut (321), fastening nut (321) of stand pipe (4) department are used for supporting tight stand pipe (4).

4. The pile foundation defect detection and repair device of claim 1, wherein: the rock core pipe (3) is longer than the guide pipe (4), and the rock core pipe (3) is deeper than the guide pipe (4) during drilling.

5. The pile foundation defect detection and repair device of claim 1, wherein: the rock core pipe (3) comprises a plurality of pipe bodies (31), a plurality of pipe bodies (31) are detachably connected, drilling teeth (314) are arranged on the pipe bodies (31) positioned at the bottom end of the rock core pipe (3), and the drilling teeth (314) are arranged around the pipe bodies (31).

6. The pile foundation defect detection and repair device of claim 1, wherein: the bottom of stand pipe (4) is provided with bores tooth (314), it sets up around stand pipe (4) to bore tooth (314), it sets up towards core barrel (3) and is used for sheltering from garrulous to bore tooth (314).

7. A pile foundation defect detection and repair device according to claim 3, wherein: the butt joint screw rod (42) is further provided with a rubber pad (43), the rubber pad (43) is in sliding connection with the butt joint screw rod (42), the rubber pad (43) is arranged between the rock core pipe (3) and the guide pipe (4), one side of the rubber pad (43) is abutted to the rock core pipe (3), and the other side of the rubber pad is abutted to the guide pipe (4).

8. The pile foundation defect detection and repair device of claim 1, wherein: the guide pipe is characterized in that a fixing frame (44) is further arranged on the outer wall of the guide pipe (4), the fixing frame (44) is arranged towards the outer side of the guide pipe (4), a fixing seat (45) is arranged towards the ground, and the fixing seat (45) is used for being abutted to the ground.

9. A pile foundation defect detection and repair device according to claim 3, wherein: the size and shape of the butt joint hole (41) on the guide pipe (4) are the same as those of the connecting hole (313) on the rotating seat (21).