CN112832302B - Concrete composite foundation pile body strength detection system - Google Patents
Concrete composite foundation pile body strength detection system Download PDFInfo
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- CN112832302B CN112832302B CN202011624095.6A CN202011624095A CN112832302B CN 112832302 B CN112832302 B CN 112832302B CN 202011624095 A CN202011624095 A CN 202011624095A CN 112832302 B CN112832302 B CN 112832302B
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- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 title description 12
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000010030 laminating Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 4
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 210000000225 synapse Anatomy 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
- E02D5/523—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments composed of segments
- E02D5/526—Connection means between pile segments
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to a concrete composite foundation pile body intensity detecting system, which comprises a pre-buried pile and a threaded rod, wherein the end surface of the pre-buried pile is provided with a threaded hole, the threaded rod is arranged in the threaded hole in a penetrating way, the threaded rod comprises at least two unit rods, a connecting device and a locking device are arranged between every two adjacent unit rods, the connecting device comprises a female connecting piece and a male connecting piece, the female connecting piece and the male connecting piece are fixedly arranged on different unit rods, and the male connecting piece is detachably arranged on the female connecting piece; locking device includes locking piece and locking Assembly, and the locking piece is installed on female connecting piece, and during sub-connecting piece and female connecting piece fixed connection, the locking piece can remove towards sub-connecting piece along the axis direction of threaded rod, has seted up the locking hole on sub-connecting piece, and the locking Assembly is installed in the locking hole, and the locking piece can inlay in the locking hole and lock by the locking Assembly, makes the unable removal of locking piece. This application has the effect that can make the difficult phenomenon that breaks the damage that appears of screw thread that makes up.
Description
Technical Field
The application relates to the field of concrete structure building quality detection technology, in particular to a concrete composite foundation pile body strength detection system.
Background
The cast-in-place concrete pile is a foundation pile body formed by directly punching and pouring concrete on the ground, and because the cast-in-place concrete pile body is formed directly below the ground surface, the quality of the cast-in-place pile and the quality of a bottom foundation at the end of the pile cannot be directly observed. In order to ensure the construction quality, the quality of the cast-in-place pile is generally required to be detected after concrete is poured, and detection methods of the cast-in-place pile comprise a low-strain method, an ultrasonic method and a core drilling method. The low strain method and the ultrasonic method are nondestructive detection and are suitable for detecting the quality of the pile body, and the core drilling method is to detect the pouring quality of the pile body, the sediment at the bottom of the pile, the shape of a pile end bearing layer and the like by core drilling and sampling in the pile body.
For example, chinese patent No. CN106223375A discloses an embedded pile foundation detection system, which includes: the embedded pile is of a conical tubular structure, a reinforcing synapse is arranged on the outer wall of the embedded pile, and the small opening end of the embedded pile is formed by an arc-shaped plate; the first plugging rod is in threaded connection with the embedded pile and is provided with a disassembling head and an expansion head, and the expansion head is provided with a shifting plate; the second plugging rod comprises an outer rod and a piston rod, the outer rod is provided with a discharge hole and a loading cavity, and the piston rod is inserted into the loading cavity from the other end of the outer rod; the ultrasonic probe is arranged at one end of the detection rod, and the wireless signal receiving and transmitting device is arranged at one end of the detection rod; and the processor is in signal connection with the wireless signal receiving and transmitting device. According to the invention, after the cast-in-place pile is poured, the first plugging rod is pulled out to form the through channel. Which can be tested without the need for core drilling operations.
In view of the above-mentioned related art, the inventor thinks that the embedded pile is long in length, and when the threaded rod as the first plugging rod is installed in the embedded pile, the phenomenon of fracture damage easily appears in the threaded rod.
Disclosure of Invention
In order to improve the problem that the fracture damage phenomenon appears in the threaded rod very easily, this application provides a concrete composite foundation pile body intensity detecting system.
The application provides a pair of concrete composite foundation pile body intensity detecting system adopts following technical scheme:
a pile body strength detection system of a concrete composite foundation comprises a pre-buried pile and a threaded rod, wherein a threaded hole is formed in the end face of the pre-buried pile, the threaded rod penetrates through the threaded hole, the threaded rod comprises at least two unit rods, a connecting device and a locking device are arranged between every two adjacent unit rods, the connecting device comprises a female connecting piece and a male connecting piece, the female connecting piece and the male connecting piece are fixedly installed on different unit rods, and the male connecting piece is detachably installed on the female connecting piece; locking device includes locking piece and locking Assembly, and the locking piece is installed on female connecting piece, and during sub-connecting piece and female connecting piece fixed connection, the locking piece can remove towards sub-connecting piece along the axis direction of threaded rod, has seted up the locking hole on sub-connecting piece, and the locking Assembly is installed in the locking hole, and the locking piece can inlay in the locking hole and lock by the locking Assembly, makes the unable removal of locking piece.
Through adopting above-mentioned technical scheme, divide into many unit poles with the threaded rod, and set up connecting device and locking device between two adjacent unit poles. The female and male connectors are welded to the unit bars in advance. After one of the unit rods is screwed into the threaded hole, the other unit rod is then screwed into the threaded hole, so that the male connecting piece and the female connecting piece are fixedly connected, and the female connecting piece and the male connecting piece cannot be separated under the action of the locking assembly. So that a plurality of unit rods are stably combined into a threaded rod in the threaded hole again. The combined screw thread is not easy to break and damage.
Optionally, a threaded column is fixedly arranged on the secondary connecting piece, the threaded column is collinear with the axis of the threaded rod, a threaded blind hole for accommodating the threaded column is formed in the end face of the primary connecting piece, a lifting assembly is arranged in the threaded blind hole, a lifting groove is formed in the bottom surface of the threaded blind hole, the lifting assembly comprises a lifting block slidably mounted in the lifting groove, and a lifting reset spring is fixedly connected between the lifting block and the bottom surface of the lifting groove; the lifting groove is formed in the end face of the female connecting piece, the locking block is slidably mounted in the lifting groove and moves along the axis direction of the threaded rod, the gear groove is formed in the side face, close to the lifting groove, of the lifting groove, the lifting gear is mounted in the gear groove in a rotating mode, a row of teeth are arranged on the side face, close to the locking block and the lifting block, of the locking block, and the lifting gear is meshed with the lifting block and the locking block simultaneously.
By adopting the technical scheme, the threaded column on the sub-connecting piece can be screwed into the threaded blind hole, and the lifting block in the threaded blind hole is pushed to move towards the bottom of the lifting groove. When the lifting block moves, the lifting gear in the gear groove is driven to rotate, so that the locking block meshed with the lifting gear is lifted. The shape of locking hole can be fan ring shape or annular, makes the locking piece when moving to in the locking hole, and the locking piece can wear to establish in the locking hole all the time.
Optionally, the locking subassembly including rotate and install the locking hook in the locking hole, the axis of locking hook's axis of rotation perpendicular to threaded rod, the part that lies in axis of rotation one side in the locking hook is promotion portion, the part that lies in the axis of rotation opposite side is laminating portion, offer the laminating groove that is used for holding laminating portion on the lateral wall in locking hole, laminating portion inlays and establishes when laminating inslot, there is the space in the interval between the one end that laminating portion was kept away from to promotion portion and the locking hole bottom surface, when promotion portion removed to the position adjacent with the locking hole bottom surface, the laminating position was in the laminating groove outside, the one end that pushing portion was kept away from to laminating portion is provided with barb piece, set up the barb groove that holds barb piece on the lateral wall of locking piece.
Through adopting above-mentioned technical scheme, because be provided with the laminating groove, the locking piece can be normal penetrate the locking hole in. When the locking block penetrates into the locking hole, the locking block pushes the pushing portion on the locking hook to drive the barb portion to rotate, so that the barb member on the barb portion rotates and is finally embedded into the barb groove. After the barb piece is embedded into the barb groove, the locking block can be limited, so that the locking block is not easy to be separated from the locking hole.
Optionally, the locking block is circular, the shapes of the locking hole and the lifting groove are equal to those of the locking block, and the axes of the locking hole and the lifting groove are collinear with the axis of the threaded rod; the locking assembly is provided with at least three groups, each group comprises two locking assemblies, and the two locking assemblies in the same group are arranged on different side faces of the locking hole.
Through adopting above-mentioned technical scheme, set the locking piece to the ring shape, when making son connecting piece and female connecting piece link together, be difficult for appearing the locking piece and the downthehole lateral wall collision of locking, lead to the unable pivoted phenomenon of son connecting piece and female connecting piece.
Optionally, crown gears are fixedly arranged on the top surfaces of the locking blocks and the bottom surface of the locking hole, teeth of the crown gears are obliquely arranged towards the same direction, and the oblique directions of the teeth on the two crown gears are opposite.
By adopting the technical scheme, when the crown gear on the locking block is meshed with the crown gear on the locking hole, the locking block can not rotate reversely. And the two crown gears are not easily separated under the limit of the locking hook. Therefore, when the unit rods are taken out, all the unit rods can be driven to rotate only by rotating the uppermost unit rod, and people can take the unit rods out of the threaded holes conveniently.
Optionally, a pushing groove is formed in the crown gear on the bottom surface of the locking hole, the pushing groove is formed between two adjacent teeth on the crown gear, the pushing groove is adjacent to the fitting groove in position, and the pushing portion can rotate and is embedded in the pushing groove.
By adopting the technical scheme, after the locking block pushes the pushing part to rotate, the pushing part can be extruded into and embedded in the pushing groove on the crown gear, and the mutual meshing of the two crown gears is not influenced.
Optionally, the diameter of the lifting groove is larger than that of the threaded blind hole, the diameter of the lifting block is not larger than that of the threaded blind hole, the outer side face of the lifting block is provided with a limiting groove, a limiting block is slidably mounted in the limiting groove, and a limiting reset spring is mounted between the limiting block and the bottom face of the limiting groove.
Through adopting above-mentioned technical scheme, the diameter of lifter is less, can be more easy wear to establish the screw thread blind hole, after wearing to establish the screw thread blind hole, spacing reset spring promotes the stopper and stretches out, makes the position of lifter restricted, can not be at the opening part roll-off that dashes the screw thread blind hole, the follow-up installation sub-connecting piece of being convenient for.
Optionally, the end surfaces of the male connecting piece and the female connecting piece are provided with rotating holes, and the rotating holes are formed at equal intervals along the edge of the end surface.
Through adopting above-mentioned technical scheme, through setting up a rolling disc, two piece at least dwangs of installation on the rolling disc, the dwang all can insert the rotation downthehole. Then, people can drive the unit rods to rotate by driving the rotating disc to rotate. The unit rod is convenient for people to screw into the threaded hole. Therefore, people can insert the tool into the rotating hole, so that the unit rod can still rotate inwards when being screwed into the threaded hole.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the combined thread is not easy to break and damage;
2. the uppermost unit rod can be rotated to drive all the unit rods to rotate, so that people can take the unit rods out of the threaded holes conveniently.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
Fig. 2 is a schematic view of the structure of the female and male connectors.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is an enlarged view of a portion B in fig. 2.
Description of reference numerals: 1. pre-burying the pile; 11. a threaded hole; 12. a threaded rod; 13. a unit bar; 2. a female connector; 21. a threaded blind hole; 22. a lifting groove; 23. a lifting block; 231. a limiting groove; 232. a limiting block; 233. a limit return spring; 24. a lifting return spring; 25. a locking block; 26. lifting the groove; 27. a gear groove; 28. a lifting gear; 3. a sub-connector; 31. a threaded post; 32. a locking hole; 33. a locking hook; 331. a bonding section; 332. a pushing part; 34. a fitting groove; 35. a barb element; 36. a barb groove; 4. rotating the hole; 5. a crown gear; 51. pushing the groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses concrete composite foundation pile body intensity detecting system. Referring to fig. 1, the concrete composite foundation pile body strength detection system includes embedded pile 1, and threaded hole 11 is seted up on embedded pile 1's the terminal surface, wears to be equipped with threaded rod 12 in threaded hole 11, and threaded rod 12 includes three unit poles 13 of splicing in proper order. A connecting means and a locking means are provided between the adjacent two unit bars 13.
Referring to fig. 1 and 2, the connecting device includes a female connector 2 and a female connector 3, the female connector 2 being mounted on an end surface of the lower unit bar 13, and the female connector 3 being mounted on an end surface of the upper unit bar 13. The center of the end face of the female connecting piece 2 is provided with a threaded blind hole 21, the center of the male connecting piece 3 is integrally formed with a threaded column 31, and the threaded column 31 can be rotated and embedded in the threaded blind hole 21. All seted up four rotation holes 4 on the terminal surface of son connecting piece 3 and female connecting piece 2, four rotation holes 4 are equidistant along the edge of terminal surface and are set up. When the unit rod 13 needs to be rotated, at least two rotating rods can be installed on a prefabricated rotating disc, and the rotating rods can be inserted into the rotating holes 4. Then, the person drives the unit rod 13 to rotate by driving the rotating disc to rotate. It is convenient for a person to screw the unit bar 13 into the screw hole 11.
Referring to fig. 2 and 3, a lifting groove 22 is formed in the bottom surface of the blind threaded hole 21, and the axis of the lifting groove 22 is collinear with the axis of the blind threaded hole 21. The diameter of the lifting groove 22 is slightly larger than that of the threaded blind hole 21. And a lifting component is arranged in the lifting groove 22 and comprises a lifting block 23 which is slidably arranged in the lifting groove 22, and the diameter of the lifting block 23 is equal to that of the threaded blind hole 21. The limiting groove 231 is formed in the outer side wall of the lifting block 23, the limiting block 232 is installed in the limiting groove 231 in a sliding mode, and the cross section of the limiting block 232 is equal to the cross section of the limiting groove 231 in size. A limiting return spring 233 is installed between the limiting block 232 and the bottom surface of the limiting groove 231, and when the limiting return spring 233 is in a natural state, one end of the limiting block 232, which is far away from the limiting return spring 233, is located outside the limiting groove 231. The lifting return spring 24 is placed between the lifting block 23 and the bottom surface of the lifting groove 22, and when the lifting return spring 24 is in a natural state, one end of the lifting block 23 far away from the lifting return spring 24 and the limiting block 232 are both positioned on the inner side of the threaded blind hole 21. When the threaded column 31 rotates and is embedded in the threaded blind hole 21, the threaded column 31 is attached to the limiting block 232 and pushes the limiting block 232 to compress the return spring.
Referring to fig. 2 and 3, the locking means includes a locking block 25, a locking hole 32 opened on an end surface of the male connector 3, and a lifting groove 26 opened on an end surface of the female connector 2. The locking block 25 has a circular cross section, the locking hole 32 and the lifting groove 26 have a cross section of the same shape as the locking block 25, and the locking block 25 is slidably fitted in the lifting groove 26. A gear groove 27 communicated with the lifting groove 22 is formed in the inner side wall of the lifting groove 26, a lifting gear 28 is rotatably mounted in the gear groove 27, a row of teeth are integrally formed on the side surface of the locking block 25 adjacent to the gear groove 27 and the side surface of the lifting block 23 adjacent to the gear groove 27, and the lifting gear 28 is meshed with the lifting block 23 and the locking block 25 at the same time. When the threaded column 31 rotates and is embedded in the threaded blind hole 21, the threaded column 31 pushes the stop block 232 to drive the locking block 25 to extend out of the gear groove 27 and into the locking hole 32.
Referring to fig. 2 and 3, the locking device further includes a locking assembly including a locking hook 33 installed in the locking hole 32. The locking hooks 33 are provided with three sets, and are arranged at equal intervals along the bottom surface of the locking hole 32, each set of locking hooks 33 includes two locking hooks 33, and one locking hook is respectively installed on the inner side wall and the outer side wall of the locking hole 32. The inner side wall and the outer side wall of the locking hole 32 are both provided with a fitting groove 34, and the fitting groove 34 is adjacent to the locking hook 33. The locking hook 33 includes two straight bars, which are respectively called the fitting portion 331 and the pushing portion 332, the two straight bars are perpendicular to each other, and one ends of the two straight bars are fixedly connected together. The connecting ends of the two straight rods are hinged in the locking hole 32, the rotating axis of the straight rods is perpendicular to the axis of the threaded rod 12, the rotating axis of the locking hook 33 adjacent to the outer side wall of the locking hole 32 is tangent to the outer side wall, the rotating axis of the locking hook 33 adjacent to the inner side wall of the locking hole 32 is tangent to the inner side wall, and the attaching portion 331 can rotate and is embedded in the attaching groove 34. Keep away from one of pushing part 332 in laminating portion 331 and serve integrated into one piece and have barb piece 35, barb piece 35 sets up in laminating portion 331 and is close to one side of adjacent locking hook 33, has all seted up barb groove 36 on the inside wall and the lateral wall of locking block 25, and barb groove 36 is the annular, and when locking block 25 inlays to be established in locking hole 32, barb piece 35 is rotatable and inlays to be established in barb groove 36.
Referring to fig. 2 and 4, the crown gears 5 are fixedly mounted on both the bottom surface of the locking hole 32 and the top surface of the locking block 25, and the teeth of the two crown gears 5 are close to each other. The teeth on one of the crown wheels 5 are inclined in a clockwise direction and the teeth on the other crown wheel 5 are inclined in a counter-clockwise direction. The crown wheel 5 on the bottom surface of the locking hole 32 is provided with a push groove 51, and the push groove 51 is opened between two adjacent teeth on the crown wheel 5. One end of the push groove 51 is connected to the inner sidewall of the crown gear 5, and the other end is connected to the outer sidewall of the crown gear 5. The width of the pushing groove 51 is equal to the width of the pushing part 332, and when the attaching part 331 rotates out of the attaching groove 34, the pushing part 332 can rotate and be embedded in the pushing groove 51.
The implementation principle of the concrete composite foundation pile body strength detection system in the embodiment of the application is as follows: when construction is carried out, the threaded rod 12 is divided into a plurality of sections of unit rods 13, after one unit rod 13 is installed in the threaded hole 11, the next unit rod 13 is also installed in the threaded hole 11, at the moment, the threaded column 31 on the sub-connecting piece 3 is rotatably installed in the threaded blind hole 21, and the lifting block 23 is pushed to move towards the bottom surface of the lifting groove 22. When the lifting block 23 moves, the locking block 25 is ejected out of the lifting groove 26 by the lifting gear 28. At this time, the locking piece 25 can be inserted into the locking hole 32 and the pushing portion 332 is pressed, and when the pushing portion 332 is pressed and inserted into the pushing groove 51, the engaging portion 331 is rotated out of the engaging groove 34 and the hook member 35 is inserted into the hook groove 36, thereby restricting the position of the locking piece 25. At the same time, the locking piece 25 can no longer rotate in the opposite direction under the engagement of the crown wheel 5. At the limit of the locking hook 33, the two crown gears 5 are not easily separated. Therefore, when the unit rods 13 are taken out, all the unit rods 13 can be driven to rotate only by rotating the uppermost unit rod 13, and people can take the unit rods 13 out of the threaded holes 11 conveniently.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a compound foundation pile body intensity detecting system of concrete, includes embedded pile (1) and threaded rod (12), set up threaded hole (11) on the terminal surface of embedded pile (1), threaded rod (12) are worn to establish in threaded hole (11), its characterized in that: the threaded rod (12) comprises at least two unit rods (13), a connecting device and a locking device are arranged between every two adjacent unit rods (13), the connecting device comprises a female connecting piece (2) and a male connecting piece (3), the female connecting piece (2) and the male connecting piece (3) are fixedly arranged on different unit rods (13), and the male connecting piece (3) is detachably arranged on the female connecting piece (2); the locking device comprises a locking block (25) and a locking assembly, the locking block (25) is installed on the female connecting piece (2), when the male connecting piece (3) is fixedly connected with the female connecting piece (2), the locking block (25) can move towards the male connecting piece (3) along the axis direction of the threaded rod (12), a locking hole (32) is formed in the male connecting piece (3), the locking assembly is installed in the locking hole (32), and the locking block (25) can be embedded into the locking hole (32) and locked by the locking assembly, so that the locking block (25) cannot move;
the lifting device is characterized in that a threaded column (31) is fixedly arranged on the sub-connecting piece (3), the threaded column (31) is collinear with the axis of the threaded rod (12), a threaded blind hole (21) used for accommodating the threaded column (31) is formed in the end face of the female connecting piece (2), a lifting assembly is arranged in the threaded blind hole (21), a lifting groove (22) is formed in the bottom surface of the threaded blind hole (21), the lifting assembly comprises a lifting block (23) which is slidably mounted in the lifting groove (22), and a lifting reset spring (24) is fixedly connected between the lifting block (23) and the bottom surface of the lifting groove (22); seted up on the terminal surface of female connecting piece (2) and risen groove (26), locking piece (25) slidable mounting has just removed along the axis direction of threaded rod (12) in rising groove (26), risen and seted up gear groove (27) on groove (26) is close to the side of rising groove (22), lifting gear (28) are installed to gear groove (27) internal rotation, all be provided with a row of tooth on the side that locking piece (25) and lifting piece (23) are close to each other, lifting gear (28) mesh with lifting piece (23) and locking piece (25) simultaneously.
2. The system for detecting the strength of the pile body of the concrete composite foundation according to claim 1, characterized in that: the locking assembly comprises a locking hook (33) rotatably arranged in a locking hole (32), the rotating axis of the locking hook (33) is vertical to the axis of the threaded rod (12), the part of the locking hook (33) positioned on one side of the rotating axis is a pushing part (332), the part of the locking hook positioned on the other side of the rotating axis is an attaching part (331), a fitting groove (34) for accommodating the fitting part (331) is formed on the side wall of the locking hole (32), when the fitting part (331) is embedded in the fitting groove (34), a gap is arranged between one end of the pushing part (332) far away from the attaching part (331) and the bottom surface of the locking hole (32), when the pushing part (332) moves to a position adjacent to the bottom surface of the locking hole (32), the attaching part (331) is positioned at the outer side of the attaching groove (34), one end of the attaching part (331) far away from the pushing part (332) is provided with a barb part (35), a barb groove (36) for accommodating the barb piece (35) is formed on the side wall of the locking block (25).
3. The system for detecting the strength of the pile body of the concrete composite foundation according to claim 2, characterized in that: the locking block (25) is annular, the shapes of the locking hole (32) and the lifting groove (26) are equal to the shape of the locking block (25), and the axes of the locking hole (32) and the lifting groove (26) are collinear with the axis of the threaded rod (12); the locking assemblies are provided with at least three groups, each group comprises two locking assemblies, and the two locking assemblies in the same group are arranged on different sides of the locking hole (32).
4. The system for detecting the strength of the pile body of the concrete composite foundation according to claim 3, wherein: the top surface of the locking block (25) and the bottom surface of the locking hole (32) are fixedly provided with crown gears (5), the teeth of the crown gears (5) are obliquely arranged towards the same direction, and the oblique directions of the teeth on the two crown gears (5) are opposite.
5. The system for detecting the strength of the pile body of the concrete composite foundation according to claim 4, wherein: a crown gear (5) on the bottom surface of the locking hole (32) is provided with a pushing groove (51), the pushing groove (51) is arranged between two adjacent teeth on the crown gear (5), the pushing groove (51) is adjacent to the position of the fitting groove (34), and the pushing part (332) can rotate and is embedded in the pushing groove (51).
6. The system for detecting the strength of the pile body of the concrete composite foundation according to claim 1, characterized in that: lifting groove (22) diameter be greater than the diameter of screw thread blind hole (21), the diameter of elevator (23) is not more than the diameter of screw thread blind hole (21), spacing groove (231) have been seted up on the lateral surface of elevator (23), slidable mounting has stopper (232) in spacing groove (231), and installs spacing reset spring (233) between the bottom surface of stopper (232) and spacing groove (231).
7. The system for detecting the strength of the pile body of the concrete composite foundation according to claim 1, characterized in that: the end faces of the sub connecting piece (3) and the female connecting piece (2) are provided with rotating holes (4), and the rotating holes (4) are formed at equal intervals along the edge of the end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011624095.6A CN112832302B (en) | 2020-12-31 | 2020-12-31 | Concrete composite foundation pile body strength detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011624095.6A CN112832302B (en) | 2020-12-31 | 2020-12-31 | Concrete composite foundation pile body strength detection system |
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| Publication Number | Publication Date |
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| CN112832302A CN112832302A (en) | 2021-05-25 |
| CN112832302B true CN112832302B (en) | 2022-03-15 |
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| CN202011624095.6A Active CN112832302B (en) | 2020-12-31 | 2020-12-31 | Concrete composite foundation pile body strength detection system |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223375B (en) * | 2016-09-20 | 2017-12-29 | 广州聚散流沙科技有限公司 | Pre-buried type pile end groundwork detecting system |
| CN207432146U (en) * | 2017-11-27 | 2018-06-01 | 梁永红 | A kind of tube coupling structure of shovel handle |
| CN208812030U (en) * | 2018-08-21 | 2019-05-03 | 钟英杰 | A kind of tube coupling unit equipped with push button spring ring |
| CN209741934U (en) * | 2019-01-21 | 2019-12-06 | 陕西长地建设工程质量检测有限公司 | Pre-buried type pile body foundation detecting system |
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