CN110258662B - Pile foundation detection device adopting self-balancing method - Google Patents

Abstract

The invention discloses a pile foundation detection device by a self-balancing method, relates to the technical field of construction equipment, aims to solve the technical problem that a fixed ring is convenient to connect with a hydraulic cylinder, the technical scheme is characterized in that a supporting block is arranged on the outer wall of the hydraulic cylinder, a mounting hole is arranged on the side wall of the hydraulic cylinder, the mounting block is rotatably connected in the mounting hole, a triggering hole is arranged on the side wall of the hydraulic cylinder, a triggering rod is connected in the triggering hole in a sliding manner, when the fixing ring is sleeved outside the hydraulic cylinder from top to bottom, the fixing ring is firstly abutted against the trigger rod to enable the trigger rod to be accommodated in the trigger hole, the connecting rod drives the mounting block to rotate to enable the mounting block to be accommodated in the mounting hole, can not influence solid fixed ring's installation, when solid fixed ring butt joint to the supporting shoe on, the installation piece can rotate to the butt in solid fixed ring's top automatically, has reached solid fixed ring and has been connected convenient advantage with the pneumatic cylinder.

Description

Pile foundation detection device adopting self-balancing method

Technical Field

The invention relates to the technical field of construction equipment, in particular to a pile foundation detection device by a self-balancing method.

Background

A self-balancing pile foundation detection device is a detection device used for detecting the bearing capacity of a pile foundation.

The current chinese patent of No. CN208668486U that authorizes bulletin provides a self-balancing method pile foundation detection device, it includes the hypoplastron, the top fixed mounting of hypoplastron has four pneumatic cylinders, through solid fixed ring fixed connection between four pneumatic cylinders, gu fixed ring wears to establish four pneumatic cylinders, the equal fixed mounting in one side that two pneumatic cylinders are relative has the dead lever, it passes through solid fixed ring fixed connection between the pneumatic cylinder, make the fixed ring play the effect of conduction to every pneumatic cylinder, the setting of dead lever can further make a plurality of pneumatic cylinders atress even.

However, in the production process, the four hydraulic cylinders are required to be penetrated through the fixing ring, and then the connecting part of the fixing ring and the hydraulic cylinders is welded to realize the fixed connection of the fixing ring and the hydraulic cylinders, so that more manpower resources and equipment resources are required to be consumed, and the installation is inconvenient, so that improvement is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a pile foundation detection device adopting a self-balancing method, which has the advantage of convenience in installation of a fixing ring and a hydraulic cylinder.

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

the utility model provides a self-balancing method pile foundation detection device, includes the hypoplastron, be equipped with a plurality of pneumatic cylinders on the hypoplastron, its characterized in that: a plurality of hydraulic cylinders are sleeved with fixing rings, the outer side walls of the hydraulic cylinders are provided with supporting blocks for the fixing rings to abut against the upper surfaces of the supporting blocks, the side walls of the hydraulic cylinders are provided with mounting holes, the top walls of the mounting holes are provided with connecting holes, connecting rods are inserted into the connecting holes in a matching manner, the bottom ends of the connecting rods extend into the mounting holes, mounting blocks are fixedly arranged on the side walls of the connecting rods, the thickness of the mounting blocks in the vertical direction is equal to the diameter of the mounting holes in the vertical direction, the side walls of the connecting rods are fixedly sleeved with connecting gears, the inner walls of the connecting holes are provided with connecting ring grooves for the connecting gears to be inserted and rotated, the inner walls of the connecting holes are provided with trigger holes, the trigger rods are connected in a sliding manner and matched in the trigger holes, reset springs are arranged in the trigger holes, and the two ends of the, the side wall of the trigger rod is provided with a trigger rack along the length direction, the trigger rack is meshed with the connecting gear, and one end of the trigger rod, which extends out of the trigger hole, is provided with a guide surface.

By adopting the technical scheme, when in actual installation, the fixing ring is sleeved outside the hydraulic cylinder from top to bottom, the inner wall of the fixing ring is firstly abutted against the guide surface of the trigger rod and continuously descends, the abutting roller pushes the trigger rod to slide towards the bottom of the trigger hole, the reset spring is compressed, the trigger rack on the side wall of the trigger rod drives the connecting gear to rotate, the connecting gear drives the connecting rod and the installation block to rotate, the installation block rotates and is accommodated in the installation hole, and then the fixing ring can be sleeved downwards without obstacles,

after the bottom of fixing ring is abutted to the upper surface of supporting shoe, the horizontal plane at fixing ring top surface place is located the below of the horizontal plane at installation piece bottom surface place, reset spring resumes deformation afterwards, reset spring can promote the trigger bar and slide towards the opening part that triggers the hole, and the trigger rack on the trigger bar lateral wall will drive connecting gear antiport, connecting gear will drive connecting rod and installation piece 14 antiport, can make installation piece 14 roll out the mounting hole, can make the lower surface butt of installation piece 14 on the upper surface of fixing ring afterwards, can make fixed ring and a plurality of pneumatic cylinder stable connection afterwards, can make a plurality of pneumatic cylinders atress balanced in the follow-up in-service use, and fixed ring simple to operate.

Furthermore, the side wall of the trigger rod is provided with a limit key, and the inner wall of the trigger hole is provided with a key groove for the limit key to insert and slide.

Through adopting above-mentioned technical scheme, spacing key has fixed stroke in the keyway, can make the trigger bar have corresponding stroke in triggering the hole to can avoid the trigger bar roll-off to trigger the hole, and can make the installation piece can not rotate excessively, can make the installation piece can rotate to the optimum angle under reset spring effect, with the biggest area of contact butt solid fixed ring again on, can make the installation piece better to solid fixed ring's supporting effect.

Further, it has regulating block two to trigger downthehole sliding connection, reset spring's both ends butt respectively on the lateral wall of regulating block two and the end wall of trigger bar, the regulation hole has been seted up on the roof of triggering the hole, sliding connection has regulating block one in the regulation hole, the diapire of regulating block one and the lateral wall of regulating block two are the butt inclined plane of the looks butt that can adapt, the accommodation hole has been seted up to the hole bottom of regulating hole, accommodation hole female connection has adjusting bolt, adjusting bolt's screw rod portion butt is on the roof of regulating block one.

Through adopting above-mentioned technical scheme, adjustable reset spring's elastic property, after using longer time, reset spring easily takes place ageing, thereby easily make the effect that resets of trigger bar reduce, can the manual rotation adjusting bolt this moment, make adjusting bolt's screw rod portion down, thereby can promote regulating block one down, will promote the opening part in regulating block two orientation trigger holes under the effect on two inclined planes when regulating block one down, can compress reset spring this moment, thereby can compensate the elastic effect who reduces because of reset spring is ageing.

Further, a slide hole is formed in the top wall of the fixing ring, a slide rod is connected in the slide hole in a sliding mode, a locking elastic piece is arranged in the slide hole, two ends of the locking elastic piece are respectively abutted to the bottom of the slide hole and the bottom of the slide rod, and a jack which can be used for inserting the top end of the slide rod is formed in the bottom wall of the mounting block.

Through adopting above-mentioned technical scheme, solid fixed ring's the just butt in bottom is to the upper surface of supporting shoe after, the lower surface butt of installation piece is on solid fixed ring's upper surface and the lateral wall butt of installation piece is on the lateral wall of slide bar, the slide bar is pressed down to the manual work afterwards, make the slide bar down, it is put in the slide hole to receive, locking elastic component is compressed this moment, can make reset spring resume deformation completely afterwards, can make the installation piece with the biggest area of contact butt on solid fixed ring, after the slide bar aligns with the jack, locking elastic component resumes deformation, can make the slide bar automatic go upward, insert and establish to the jack in, can make the installation piece with best state butt on solid fixed ring afterwards, and can make the state of installation piece further stable, afterwards can make solid fixed ring be connected with a plurality of pneumatic cylinders further stable.

Furthermore, an operation hole is formed in the side wall of the sliding hole, an operation rod is inserted into the operation hole, one end of the operation rod is connected with the sliding rod, and the other end of the operation rod extends out of the operation hole.

Through adopting above-mentioned technical scheme, the accessible is more convenient to the undulant of control lever going on controlling the slide bar, is convenient for control the slide bar and take out from the jack to follow-up solid fixed ring separates with the installation piece, dismantles solid fixed ring.

Furthermore, the supporting block is rotatably connected with a protection rod, a pressing rod capable of being abutted to the upper surface of the installation block is vertically arranged on the protection rod, a first magnetic part is embedded in the pressing rod, and a second magnetic part capable of being attracted with the first magnetic part is embedded in the installation block.

Through adopting above-mentioned technical scheme, the guard bar is rotated to the manual work for the stable butt of depression bar is on the installation piece, and makes magnetic part one attract mutually with two magnetism of magnetic part, makes the support intensity of installation piece to solid fixed ring higher afterwards, and guard bar and depression bar can further make solid fixed ring and a plurality of hydraulic stem be connected stably, further make a plurality of pneumatic cylinders atress balanced in the follow-up in-service use promptly.

Furthermore, the side walls of the protection rod and the supporting block are both provided with locking holes along the horizontal direction, a locking rod is arranged between the protection rod and the supporting block and is U-shaped, and two ends of the locking rod are respectively adaptive and slidably inserted into the two locking holes.

By adopting the technical scheme, the two ends of the locking rod are respectively inserted into the locking holes of the protection rod and the supporting block, so that the protection rod is not easy to rotate relative to the supporting block, and the state of the pressing rod which is abutted against the mounting block is more stable.

Furthermore, the side walls of the two ends of the locking rod extending out of the locking hole are provided with anti-falling ring grooves, and anti-falling elastic rings are sleeved in the anti-falling ring grooves.

Through adopting above-mentioned technical scheme, insert respectively when the both ends of locking pole and establish the lock solid downthehole back to protective bar and supporting shoe, establish the anticreep annular with anticreep elastic ring cover in, can make the locking pole difficult automatic and the slippage takes place for locking hole afterwards, further make the protective bar difficult to take place relative rotation with the supporting shoe promptly, can make the state of depression bar butt on the installation piece more stable.

Furthermore, an abutting hole is formed in the side wall of the fixing ring, and an abutting roller capable of abutting against the guide surface is rotatably connected to the inner wall of the abutting hole.

Through adopting above-mentioned technical scheme, when solid fixed ring cover establish to the in-process in a plurality of pneumatic cylinders outsides, the butt roller will offset and take place to roll with the spigot surface, can make the frictional force between solid fixed ring and the spigot surface littleer, even must be better to the promotion effect of trigger lever.

Furthermore, a reserved ring groove is formed in the side wall of the abutting roller, and oil immersion sponge is sleeved in the reserved ring groove.

Through adopting above-mentioned technical scheme, the oil immersion sponge can be so that to reserve the lateral wall of annular and butt roller on be stained with certain lubricating oil to can further reduce the frictional force between solid fixed ring and the spigot surface, can make the promotion to the trigger bar more convenient, stable.

In conclusion, the invention has the following beneficial effects:

1. the outer wall of the hydraulic cylinder is provided with a supporting block, the side wall of the hydraulic cylinder is provided with a mounting hole, the mounting hole is internally and rotatably connected with a mounting block, the side wall of the hydraulic cylinder is provided with a trigger hole, the trigger hole is internally and slidably connected with a trigger rod, when the fixing ring is sleeved outside the hydraulic cylinder from top to bottom, the fixing ring is firstly abutted against the trigger rod, so that the trigger rod is received in the trigger hole, the connecting rod drives the mounting block to rotate, the mounting block is received in the mounting hole, the mounting of the fixing ring can not be influenced, when the fixing ring is abutted to the supporting block, the mounting block can automatically rotate to abut against the upper part of the fixing ring, and the advantage that the;

2. the utility model discloses a trigger block, including the installation piece, be equipped with the mounting piece and the mounting piece is equipped with the mounting piece, the mounting piece is equipped with the mounting piece and is equipped with the limiting key on the lateral wall that has adopted the trigger bar, be equipped with on the inner wall in trigger hole and supply the limiting key to insert and gliding keyway, the limiting key has fixed stroke in the keyway, can make the trigger bar have corresponding stroke in triggering the hole, thereby can avoid the trigger bar roll-off to trigger the hole, and can make the installation piece can not rotate excessively, can make the installation piece rotate to the optimum angle under.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a sectional view of the present embodiment for showing the connection relationship between the mounting block and the trigger lever;

FIG. 4 is a sectional view showing the connection between the trigger lever and the hydraulic cylinder in the present embodiment;

FIG. 5 is a sectional view showing the connection between the fixing ring and the mounting block in the present embodiment;

FIG. 6 is a sectional view of the present embodiment for illustrating the connection relationship between the guard bar and the support block;

fig. 7 is a schematic structural view for showing a connection relationship between the abutment roller and the fixing ring in the present embodiment.

In the figure: 1. a lower plate; 11. a hydraulic cylinder; 12. a fixing ring; 13. a support block; 14. mounting blocks; 140. mounting holes; 15. a connecting rod; 150. connecting holes; 16. a connecting gear; 160. a connecting ring groove; 17. a trigger lever; 170. a trigger hole; 171. triggering the rack; 172. a guide surface; 18. a limiting key; 180. a keyway; 2. adjusting the bolt; 20. a housing hole; 21. a first adjusting block; 210. an adjustment hole; 22. a second adjusting block; 23. a return spring; 24. an inclined surface; 3. a slide bar; 30. a slide hole; 31. locking the elastic piece; 32. a jack; 33. a control lever; 330. a manipulation hole; 4. a guard bar; 41. a pressure lever; 421. a first magnetic part; 422. a second magnetic part; 43. a locking bar; 430. locking holes; 44. an anti-drop elastic ring; 440. an anti-drop ring groove; 5. an abutment roller; 50. abutting against the hole; 51. oil-impregnated sponge; 510. and reserving a ring groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

the utility model provides a pile foundation detection device of self-balancing method, refers to fig. 1 and 2, and it includes hypoplastron 1, has a plurality of pneumatic cylinders 11 through the screw connection on the hypoplastron 1, and the outside cover of a plurality of pneumatic cylinders 11 is equipped with solid fixed ring 12, and the welding has supporting shoe 13 on the lateral wall of pneumatic cylinder 11, but solid fixed ring 12 butt is at the upper surface of supporting shoe 13.

Referring to fig. 2, a mounting hole 140 is formed in the side wall of the hydraulic cylinder 11, a mounting block 14 is disposed in the mounting hole 140, the lower surface of the mounting block 14 abuts against the upper surface of the fixing ring 12, a trigger hole 170 is formed in the side wall of the hydraulic cylinder 11, a trigger rod 17 is slidably connected in the trigger hole 170, and a guide surface 172 is disposed at one end of the trigger rod 17 extending out of the trigger hole 170.

Referring to fig. 3, a connecting hole 150 is formed in the top wall of the mounting hole 140, a connecting rod 15 is inserted into the connecting hole 150 in a matching manner, the connecting rod 15 can rotate in the connecting hole 150, the bottom end of the connecting rod 15 extends into the mounting hole 140, the connecting rod 15 and the mounting block 14 are integrally formed, and the thickness of the mounting block 14 in the vertical direction is equal to the diameter of the mounting hole 140 in the vertical direction.

Referring to fig. 3, the connecting gear 16 is sleeved on and fixed to the side wall of the connecting rod 15 by welding, a connecting ring groove 160 is formed in the inner wall of the connecting hole 150, the connecting gear 16 is rotatably inserted into the connecting ring groove 160, the connecting hole 150 is communicated with the trigger hole 170, a trigger rack 171 is welded to the side wall of the trigger rod 17 along the length direction thereof, and the trigger rack 171 is engaged with the connecting gear 16.

Referring to fig. 4, a limit key 18 is integrally formed on the side wall of the trigger rod 17, a key groove 180 is formed on the inner wall of the trigger hole 170, the limit key 18 can be inserted into the key groove 180 and slide, a second adjusting block 22 is slidably connected to the trigger hole 170, a return spring 23 is arranged in the trigger hole 170, two ends of the return spring 23 are respectively abutted to the side wall of the second adjusting block 22 and the end wall of the trigger rod 17, an adjusting hole 210 is formed in the top wall of the trigger hole 170, a first adjusting block 21 is slidably connected to the adjusting hole 210, the bottom wall of the first adjusting block 21 and the side wall of the second adjusting block 22 are respectively an adaptive abutted inclined surface 24, a containing hole 20 is formed in the hole bottom of the adjusting hole 210, an adjusting bolt 2 is connected to the inner thread of the containing hole 20, and the bottom end of the screw portion of the.

Referring to fig. 5, a slide hole 30 is formed in the top wall of the fixing ring 12, a slide rod 3 is slidably connected in the slide hole 30, a locking elastic member 31 is arranged in the slide hole 30, the locking elastic member 31 is preferably a spring, two ends of the locking elastic member 31 are respectively abutted to the bottom of the slide hole 30 and the bottom of the slide rod 3, an insertion hole 32 is formed in the bottom wall of the mounting block 14, when the fixing ring 12 is abutted to the upper surface of the supporting block 13, the top end of the slide rod 3 can be firstly pressed into the slide hole 30, and after the mounting block 14 rotates to a required position, the slide rod 3 can be automatically inserted into the insertion hole 32 to lock the mounting block 14.

Referring to fig. 5, a control hole 330 is formed in a side wall of the slide hole 30, a control rod 33 is inserted into the control hole 330, one end of the control rod 33 is connected to the slide rod 3, and the other end extends out of the control hole 330, so that the slide rod 3 is controlled to slide up and down by the control rod 33.

Referring to fig. 5, the supporting block 13 is rotatably connected with a protection rod 4 through a pin, a compression rod 41 perpendicular to the protection rod 4 is integrally formed on the protection rod 4, the compression rod 41 can abut against the upper surface of the mounting block 14 along with the rotation of the protection rod 4, a first magnetic piece 421 is embedded and adhered to the compression rod 41, a second magnetic piece 422 is embedded and adhered to the mounting block 14, and the second magnetic piece 422 and the first magnetic piece 421 are natural magnetic pieces with magnetic attraction, so that the state of the compression rod 41 abutting against the mounting block 14 is more stable.

Referring to fig. 6, the side walls of the guard bar 4 and the supporting block 13 are both provided with a locking hole 430 along the horizontal direction, a locking bar 43 is arranged between the guard bar 4 and the supporting block 13, the locking bar 43 is U-shaped, two ends of the locking bar 43 are respectively slidable and are inserted into the locking hole 430 in a matching manner, the side wall of the locking bar 43 extending out of two ends of the locking hole 430 is provided with an anti-loosening ring groove 440, the anti-loosening ring groove 440 is internally sleeved with an anti-loosening elastic ring 44, the material of the anti-loosening elastic ring 44 is preferably rubber, the anti-loosening elastic ring 44 is abutted to the opening of the locking hole 430, so as to lock the locking bar 43.

Referring to fig. 7, set up butt hole 50 on solid fixed ring 12's the lateral wall, be connected with butt roller 5 through pin rotation on butt hole 50's the inner wall, when solid fixed ring 12 from the top down the cover establish to the pneumatic cylinder 11 outside, butt roller 5's lateral wall can offset with spigot surface 172, has seted up on butt roller 5's the lateral wall and has reserved annular 510, and the cover is equipped with immersion oil sponge 51 in the reserved annular 510, and is preferred, and reservation annular 510 is stretched out on immersion oil sponge 51's top.

The working principle is as follows: during actual installation, the fixing ring 12 is sleeved outside the hydraulic cylinder 11 from top to bottom, the abutting roller 5 on the fixing ring 12 abuts against the guide surface 172 of the trigger rod 17 and continues to move downwards, at this time, the abutting roller 5 pushes the trigger rod 17 to slide towards the bottom of the trigger hole 170, at this time, the return spring 23 is compressed, the trigger rack 171 on the side wall of the trigger rod 17 drives the connecting gear 16 to rotate, the connecting gear 16 drives the connecting rod 15 and the mounting block 14 to rotate, so that the mounting block 14 rotates and is accommodated in the mounting hole 140, and then the fixing ring 12 can be sleeved downwards without obstacles,

after the bottom end of the fixing ring 12 abuts against the upper surface of the supporting block 13, the horizontal plane where the top surface of the fixing ring 12 is located below the horizontal plane where the bottom surface of the mounting block 14 is located, the return spring 23 restores to be partially deformed, the return spring 23 can push the trigger rod 17 to slide towards the opening of the trigger hole 170, the trigger rack 171 on the side wall of the trigger rod 17 drives the connecting gear 16 to rotate reversely, the connecting gear 16 drives the connecting rod 15 and the mounting block 14 to rotate reversely, the mounting block 14 can rotate out of the mounting hole 140, and then the lower surface of the mounting block 14 abuts against the upper surface of the fixing ring 12 and the side wall of the mounting block 14 abuts against the side wall of the sliding rod 3;

then, the operating rod 33 is manually pressed downwards, the operating rod 33 drives the sliding rod 3 to move downwards and be accommodated in the sliding hole 30, at this time, the locking elastic piece 31 is compressed, then, the return spring 23 can be completely restored to deform, namely, the mounting block 14 can be abutted to the fixing ring 12 with the largest contact area, the sliding rod 3 is aligned with the jack 32, the operating rod 33 is loosened, the locking elastic piece 31 can be restored to deform, namely, the sliding rod 3 can automatically move upwards and be inserted into the jack 32, then, the mounting block 14 can be abutted to the fixing ring 12 in the best state, and then, the fixing ring 12 can be stably connected with the plurality of hydraulic cylinders 11, so that the stress of the plurality of hydraulic cylinders 11 in the subsequent actual use process is balanced, and the fixing ring 12 is convenient to mount;

in addition, the guard bar 4 is rotated manually, so that the pressing rod 41 is stably abutted to the mounting block 14, the first magnetic part 421 and the second magnetic part 422 are magnetically attracted, the two ends of the locking bar 43 are manually inserted into the locking holes 430 formed in the guard bar 4 and the supporting block 13 respectively, the anti-falling elastic ring 44 is sleeved in the anti-falling annular groove 440 formed in the end part of the locking bar 43, the locking bar 43 is not prone to automatically slipping, the guard bar 4 and the pressing rod 41 can further enable the fixing ring 12 to be stably connected with the hydraulic rods 41, namely, the stress of the hydraulic cylinders 11 in the subsequent actual use process is further balanced, the fixing ring 12 can be more stably connected with the hydraulic cylinders 11, and the supporting strength of the mounting block 14 to the fixing ring 12 is higher.

In addition, the elastic property of adjustable reset spring 23, after using for a long time, reset spring 23 easily takes place ageing, thereby easily make the reset effect of trigger lever 17 reduce, can artifically rotate adjusting bolt 2 this moment, make adjusting bolt 2's screw rod portion down, thereby can promote regulating block 21 down, will promote regulating block two 22 towards the opening part that triggers hole 170 under two inclined planes 24's effect when regulating block 21 is down, can compress reset spring 23 this moment, thereby can compensate the elastic effect because of reset spring 23 ages and reduce.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a self-balancing method pile foundation detection device, includes hypoplastron (1), be equipped with a plurality of pneumatic cylinders (11) on hypoplastron (1), its characterized in that: a plurality of the outside cover of pneumatic cylinder (11) is equipped with solid fixed ring (12), be equipped with on the lateral wall of pneumatic cylinder (11) and supply solid fixed ring (12) to butt supporting shoe (13) of its upper surface, mounting hole (140) have been seted up on the lateral wall of pneumatic cylinder (11), connecting hole (150) have been seted up on the roof of mounting hole (140), inserting of adaptation is equipped with connecting rod (15) in connecting hole (150), the bottom of connecting rod (15) stretches into in mounting hole (140), fixed mounting block (14) that is equipped with on the lateral wall of connecting rod (15), the thickness of mounting block (14) in the vertical direction equals with the aperture of mounting hole (140) in the vertical direction, fixed cover is equipped with on the lateral wall of connecting rod (15) and connects gear (16), set up on the inner wall of connecting hole (150) and supply to connect gear (16) to insert and establish and pivoted connection annular (160), seted up on the inner wall of connecting hole (150) and triggered hole (170), the sliding connection who triggers the interior adaptation of hole (170) has trigger bar (17), be equipped with reset spring (23) in triggering hole (170), the both ends of reset spring (23) butt respectively on the end wall of trigger bar (17) and the diapire of triggering hole (170), be equipped with along its length direction on the lateral wall of trigger bar (17) and trigger rack (171), trigger rack (171) mesh mutually with connecting gear (16), the one end that trigger bar (17) stretched out trigger hole (170) is equipped with spigot surface (172).

2. The self-balancing pile foundation detection device of claim 1, wherein: the side wall of the trigger rod (17) is provided with a limit key (18), and the inner wall of the trigger hole (170) is provided with a key groove (180) for the limit key (18) to insert and slide.

3. The self-balancing pile foundation detection device of claim 2, wherein: triggering hole (170) internal sliding connection has regulating block two (22), the both ends of reset spring (23) butt respectively on the lateral wall of regulating block two (22) and the end wall of trigger bar (17), regulation hole (210) have been seted up on the roof of triggering hole (170), internal sliding connection has regulating block one (21) in regulating hole (210), the diapire of regulating block one (21) and inclined plane (24) of the butt of the lateral wall of regulating block two (22) for the adaptation, holding hole (20) have been seted up to the hole bottom of regulating hole (210), holding hole (20) internal threaded connection has adjusting bolt (2), the screw rod portion butt of adjusting bolt (2) is on the roof of regulating block one (21).

4. The self-balancing pile foundation detection device of claim 1, wherein: the utility model discloses a lock structure, including solid fixed ring (12), fixed ring (12) have been seted up on the roof slide opening (30), sliding connection has slide bar (3) in slide opening (30), be equipped with locking elastic component (31) in slide opening (30), the both ends of locking elastic component (31) butt respectively at the hole bottom of slide opening (30) and the bottom of slide bar (3), set up on the diapire of installation piece (14) and supply the top of slide bar (3) to insert jack (32) of establishing.

5. The self-balancing pile foundation detection device of claim 4, wherein: the side wall of the sliding hole (30) is provided with an operation hole (330), an operation rod (33) is inserted into the operation hole (330), one end of the operation rod (33) is connected with the sliding rod (3), and the other end of the operation rod extends out of the operation hole (330).

6. The self-balancing pile foundation detection device of claim 1, wherein: the supporting block (13) is connected with a protection rod (4) in a rotating mode, a pressing rod (41) capable of being abutted to the upper surface of the installation block (14) is vertically arranged on the protection rod (4), a first magnetic part (421) is embedded in the pressing rod (41), and a second magnetic part (422) capable of being attracted with the first magnetic part (421) in a magnetic mode is embedded in the installation block (14).

7. The self-balancing pile foundation detection device of claim 6, wherein: the side walls of the protection rod (4) and the supporting block (13) are respectively provided with a locking hole (430) along the horizontal direction, a locking rod (43) is arranged between the protection rod (4) and the supporting block (13), the locking rod (43) is U-shaped, and two ends of the locking rod (43) are respectively matched and can be slidably inserted into the two locking holes (430).

8. The self-balancing pile foundation detection device of claim 7, wherein: the side walls of the two ends of the locking rod (43) extending out of the locking hole (430) are provided with anti-falling ring grooves (440), and anti-falling elastic rings (44) are sleeved in the anti-falling ring grooves (440).

9. The self-balancing pile foundation detection device of claim 1, wherein: the side wall of the fixing ring (12) is provided with an abutting hole (50), and the inner wall of the abutting hole (50) is rotatably connected with an abutting roller (5) which can abut against the guide surface (172).

10. The self-balancing pile foundation detection device of claim 9, wherein: the side wall of the abutting roller (5) is provided with a reserved ring groove (510), and the reserved ring groove (510) is internally sleeved with oil-immersed sponge (51).

Images