CN213773521U

CN213773521U - Pile foundation detection device

Info

Publication number: CN213773521U
Application number: CN202022781907.XU
Authority: CN
Inventors: 曹荣鹏
Original assignee: Fuzhou Minjian Engineering Testing Co ltd
Current assignee: Fuzhou Minjian Engineering Testing Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-23
Anticipated expiration: 2030-11-26

Abstract

The application discloses pile foundation detection device relates to pile foundation detection technical field, has improved the degree of accuracy that detects data, and it is used for supporting in the pile foundation periphery subaerial leading truck, be equipped with the weight that slides from top to bottom along its direction of height in the leading truck, still be equipped with the driving assembly that slides the slide board and drive slide board that slide goes up and down along its direction of height in the leading truck, the slide board sets up in the weight top, be equipped with between slide board and the weight and be used for with slide board and weight fixed connection's locking Assembly, be equipped with on the leading truck and be used for relieving the fixed unblock subassembly of slide board to the weight. The shaking generated when the heavy hammer falls can be effectively reduced, so that the accuracy of detection data is improved.

Description

Pile foundation detection device

Technical Field

The application relates to a pile foundation detects technical field, especially relates to a pile foundation detection device.

Background

At present, the main methods for detecting the pile foundation include a static load test, a core drilling method, a low strain method, a high strain method, a sound wave transmission method and the like.

Chinese patent document CN201822063810.8 in related technology discloses a high strain detection device with precise positioning, which includes a cylindrical hammer body, a lifting member connected with the hammer body and used for lifting the hammer body, a hollowed circular hole is provided on the longitudinal central line of the hammer body, four hooks are uniformly provided on the outer circumference of the upper surface of the hammer body, the lifting member includes a U-shaped ring and a wire rope connected with the U-shaped ring, the wire rope passes through the U-shaped ring, and two ends of the wire rope are respectively fixed on two opposite hooks.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when lifting the weight, need go on with the help of lifting by crane equipment through the square of wire rope with the weight removal to the pile foundation among the correlation technique to release wire rope and make the weight free fall to the pile foundation on, and adopt the mode of flexible wire rope tractive weight, make the weight produce easily at the in-process of whereabouts and rock, lead to the striking position deviation pile foundation center of weight, cause the detection data inaccurate.

SUMMERY OF THE UTILITY MODEL

In order to improve the degree of accuracy of detected data, this application provides a pile foundation detection device.

The application provides a pile foundation detection device adopts following technical scheme:

the utility model provides a pile foundation detection device, is used for supporting subaerial leading truck including establishing in the pile foundation periphery, be equipped with the weight that slides from top to bottom along its direction of height in the leading truck, still be equipped with the driving component that slides the slide board and drive slide board that slides from top to bottom along its direction of height in the leading truck goes up and down, the slide board sets up in the weight top, be equipped with between slide board and the weight and be used for the locking Assembly with slide board and weight fixed connection, be equipped with on the leading truck and be used for relieving the fixed unblock subassembly of slide board to the weight.

Through adopting above-mentioned technical scheme, when the pile foundation detects, erect the leading truck in the pile foundation periphery, make the weight be in directly over the pile foundation, it is connected through locking Assembly with the weight to slide the board, and make the slide board drive the weight through drive assembly and remove to the removal height, rethread unblock subassembly is relieved and is fixed to the weight, make the weight along the whereabouts of leading truck freedom, and strike into and carry out the detection of pile foundation on the pile foundation, because the weight falls along the direction of height of leading truck, rocking that produces when can effectual reduction weight whereabouts, thereby the degree of accuracy of detection data has been improved.

Optionally, the guide frame includes a base and two guide plates vertically arranged on the base, the two guide plates are parallel to each other, a sliding groove for sliding the heavy hammer is formed in one side of the two guide plates, which is close to the guide plates, and the sliding groove extends along the height direction of the guide plates.

Through adopting above-mentioned technical scheme, through seting up the spout on two deflector of erectting for the weight can slide from top to bottom along the spout, stability when effectual improvement weight slides.

Optionally, the driving assembly comprises hydraulic cylinders arranged on the two guide plates and far away from one side, one ends of the two hydraulic cylinders are perpendicularly connected with the base, connecting blocks extending out of the guide plates are protruded on the two sides of each sliding plate, through grooves for the connecting blocks to extend out are formed in the guide plates, the through grooves extend along the height direction of the guide plates, and the connecting blocks are fixedly connected with piston rods of the hydraulic cylinders respectively.

Through adopting above-mentioned technical scheme, drive the slide plate through the flexible mode of control pneumatic cylinder piston rod and slide from top to bottom, simple structure.

Optionally, the locking assembly comprises two guide rods arranged on the sliding plate and extending vertically towards the direction of the heavy hammer, the two guide rods are symmetrically arranged on two sides of the sliding plate, one end of each guide rod, far away from the sliding plate, is connected with an insertion block in a sliding mode, an insertion groove for the insertion of the insertion block is formed in the outer side wall of the heavy hammer, an elastic piece acting on the insertion block and providing movement trend towards the insertion groove is arranged in each guide rod, and a pressing surface is obliquely arranged at one end, close to the insertion groove, of the bottom surface of the insertion block.

Through adopting above-mentioned technical scheme, when the slide plate moves the guide bar and removes towards the weight direction, the holding down surface and the weight contact of grafting piece to drive the direction that the weight was kept away from to the grafting piece and remove, when the grafting piece removed to with inserting groove same position, under the effect of elastic component, the grafting piece was pegged graft with inserting groove, realizes the fixed connection of slide plate and weight.

Optionally, the guide bar is kept away from the one end of sliding plate and is offered the through-hole that supplies the grafting piece to pass, the middle part arch of grafting piece has annular protruding edge, and one side that two guide bars kept away from mutually is offered and is supplied annular protruding gliding recess along with the through-hole intercommunication, the notch department interference joint of recess has the spacing ring that is used for preventing annular protruding edge to break away from the recess.

Through adopting above-mentioned technical scheme, the sliding connection of grafting piece can be realized to the setting on recess and the protruding edge of annular, and the setting of spacing ring can make things convenient for the installation of grafting piece simultaneously.

Optionally, the elastic element is a spring sleeved on the insertion block, one end of the spring abuts against the limiting ring, and the other end of the spring abuts against the annular convex edge.

Through adopting above-mentioned technical scheme, adopt the spring as the elastic component, have simple structure, the stable advantage of atress.

Optionally, two beams are connected between the two guide plates, the two beams are symmetrically arranged at two ends of the guide plates in the width direction, the beams are located at one ends of the guide plates far away from the base, the unlocking assembly comprises lower pressing columns vertically arranged on the beams, and the lower pressing columns extend towards the base; the bottom of the lower pressing column is provided with an inclined guide surface, and the upper side of the insertion block is provided with a driving groove for the insertion of the guide surface of the lower pressing column so as to separate the insertion block from the insertion groove.

By adopting the technical scheme, when the sliding plate drives the heavy hammer to move upwards, the guide surface of the lower pressing column is inserted into the driving groove, and the inserting block can be driven to be separated from the inserting groove, so that the connection between the sliding plate and the heavy hammer is released.

Optionally, one side of the driving groove, which is far away from the pressing surface, is obliquely provided with a matching surface matched with the guide surface.

Through adopting above-mentioned technical scheme, the resistance when pushing down the compression leg and driving the groove grafting can be reduced in the setting of fitting surface.

In summary, the present application includes at least one of the following benefits:

1. the method and the device can effectively reduce the shaking generated when the heavy hammer falls, so that the accuracy of the detection data is improved;

2. through the setting of pushing down the pillar, contact the connection between slide plate and the weight to make things convenient for the weight free fall.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic structural view of a hydraulic cylinder embodying the present embodiment;

FIG. 3 is an exploded view of the embodiment embodying a shifting board;

FIG. 4 is a schematic view of a portion of the embodiment of the plugging block;

fig. 5 is an enlarged schematic view at a in fig. 4 of the present embodiment.

Description of reference numerals: 1. a guide frame; 2. a weight; 3. a base; 4. a guide plate; 5. a chute; 6. a slide plate; 7. connecting blocks; 8. a hydraulic cylinder; 9. a through groove; 10. a guide bar; 11. an insertion block; 12. inserting grooves; 13. a spring; 14. a through hole; 15. an annular convex edge; 16. a groove; 17. a limiting ring; 18. pressing the surface; 19. a cross beam; 20. pressing the column; 21. a guide surface; 22. a driving groove; 23. a mating surface.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses pile foundation detection device. Referring to fig. 1 and 2, the pile foundation comprises a guide frame 1 arranged on the periphery of a pile foundation, wherein a heavy hammer 2 sliding up and down along the height direction of the guide frame 1 is arranged in the guide frame 1, and the heavy hammer 2 is of a cuboid structure. After the heavy hammer 2 can rise to a certain height, the heavy hammer falls freely and impacts the end face of the pile foundation to detect and collect data.

Referring to fig. 1 and 2, the guide frame 1 includes a base 3 and two vertical guide plates 4 arranged on the base 3, the two guide plates 4 are parallel to each other, the middle part of the base 3 is provided with an opening for extending the pile foundation, one side of the two guide plates 4 close to each other is provided with a sliding groove 5 for sliding the heavy hammer 2, and the sliding groove 5 extends along the height direction of the guide plates 4.

Referring to fig. 1 and 2, a sliding plate 6 sliding up and down along the height direction of the guiding frame 1 and a driving component for driving the sliding plate 6 to ascend and descend are further arranged in the guiding frame 1, and the sliding plate 6 is arranged above the heavy hammer 2. A locking component for fixedly connecting the sliding plate 6 with the heavy hammer 2 is arranged between the sliding plate 6 and the heavy hammer 2, and an unlocking component for releasing the fixing of the sliding plate 6 to the heavy hammer 2 is arranged on the guide frame 1. The sliding plate 6 can drive the heavy hammer 2 to move upwards in a lifting mode, and the sliding plate 6 is in contact with the heavy hammer 2 through the unlocking assembly to be fixed, so that the heavy hammer 2 falls freely.

Referring to fig. 2 and 3, the driving assembly includes hydraulic cylinders 8 disposed on one side of the two guide plates 4, and one ends of the two hydraulic cylinders 8 are both connected to the base 3 perpendicularly. Connecting blocks 7 are arranged on the two sides of the sliding plate 6 close to the guide plate 4 in a protruding mode, a through groove 9 for the connecting blocks 7 to stretch out is formed in the guide plate 4, and the through groove 9 extends in the height direction of the guide plate 4. The two connecting blocks 7 are respectively fixedly connected with a piston rod of a hydraulic cylinder 8. The lifting movement of the sliding plate 6 can be realized by controlling the extension and retraction of the piston rod of the hydraulic cylinder 8.

Referring to fig. 4 and 5, the locking assembly includes two guide rods 10 disposed on the sliding plate 6, the two guide rods 10 extend vertically downward toward the weight 2, and the two guide rods 10 are symmetrically disposed on two sides of the sliding plate 6. One side sliding connection that slide 6 was kept away from to guide bar 10 has insertion block 11, and insertion block 11 wholly is the cuboid structure, and the inserting groove 12 that supplies insertion block 11 to peg graft is seted up to the both sides of weight 2 perpendicular to guide plate 4, is equipped with in the guide bar 10 to act on insertion block 11 and provides the elastic component towards the interior trend of inserting groove 12 for insertion block 11.

Further, referring to fig. 4 and 5, a through hole 14 for the insertion block 11 to pass through is formed in one end of the guide rod 10 away from the sliding plate 6, the insertion block 11 passes through the through hole 14, and one end of the insertion block 11 extends out of the through hole 14. The protruding annular protruding edge 15 that has of plug-in block 11 middle part periphery side, two guide bar 10 one sides of keeping away from mutually offer with through-hole 14 intercommunication supply annular protruding edge 15 gliding recess 16, the notch department interference joint of recess 16 has the spacing ring 17 that is used for preventing annular protruding edge 15 to break away from recess 16. The elastic element is a spring 13 sleeved on the insertion block 11, one end of the spring 13 is abutted against the limiting ring 17, and the other end of the spring 13 is abutted against the annular convex edge 15. When the inserting block 11 is inserted into the inserting groove 12, the inserting block 11 can be tightly abutted against the inserting groove 12 under the action of the elastic force of the spring 13.

Referring to fig. 4 and 5, a lower pressing surface 18 is obliquely arranged at one end of the bottom surface of the insertion block 11 close to the insertion groove 12. When the sliding plate 6 moves toward the weight 2, the pressing surface 18 can abut against the weight 2, so that the insertion block 11 moves toward a direction away from the weight 2 under the action of the pressing surface 18, and when the insertion block 11 is located at the same position as the insertion groove 12, the insertion block 11 can be inserted into the insertion groove 12 under the action of the spring 13.

Referring to fig. 4 and 5, two cross beams 19 are connected between the two guide plates 4, the two cross beams 19 are symmetrically arranged at two ends of the guide plates 4 in the width direction, and the cross beams 19 are located at one end of the guide plates 4 far away from the base 3. The cross beam 19 can improve the structural strength between the two guide plates 4.

Referring to fig. 4 and 5, the unlocking assembly includes a lower pressing column 20 vertically disposed on the cross beam 19, and extending toward the base 3. The bottom of the lower pressing column 20 is provided with an inclined guide surface 21, and the upper side of the insertion block 11 is provided with a driving groove 22 for the insertion of the guide surface 21 of the lower pressing column 20 so as to separate the insertion block 11 from the insertion groove 12. Furthermore, a matching surface 23 matched with the guiding surface 21 is obliquely arranged on one side of the driving groove 22 away from the pressing surface 18.

When the sliding plate 6 moves toward the cross beam 19, the guiding surface 21 of the pressing column 20 abuts against the mating surface 23 and pushes the insertion block 11 to move toward a direction away from the insertion groove 12, so that the insertion block 11 is separated from the insertion groove 12, thereby releasing the fixation of the weight 2 and allowing the weight 2 to freely fall along the sliding groove 5.

The implementation principle of the pile foundation detection device in the embodiment of the application is as follows:

when the hydraulic hammer is used, the inserting block 11 is inserted into the inserting groove 12, so that when a piston rod of the hydraulic cylinder 8 stretches, the heavy hammer 2 can be driven to move upwards by the upward movement of the sliding plate 6. When the guiding surface 21 of the lower pressing column 20 abuts against the mating surface 23 and is inserted into the driving groove 22, the inserting block 11 is separated from the inserting groove 12, so that the heavy hammer 2 freely falls along the sliding groove 5 and impacts on the end surface of the pile foundation. The pile foundation can be tested by repeating the steps, and the precision of pile foundation detection can be improved.

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

1. The utility model provides a pile foundation detection device which characterized in that: including setting up in pile foundation periphery and being used for supporting leading truck (1) subaerial, be equipped with weight (2) that slide from top to bottom along its direction of height in leading truck (1), still be equipped with slide plate (6) and the drive assembly that drive slide plate (6) go up and down that slide from top to bottom along its direction of height in leading truck (1), slide plate (6) set up in weight (2) top, be equipped with between slide plate (6) and weight (2) and be used for sliding plate (6) and weight (2) fixed connection's locking Assembly, be equipped with on leading truck (1) and be used for removing slide plate (6) to the fixed unblock subassembly of weight (2).

2. The pile foundation detection device of claim 1, wherein: guide frame (1) includes base (3) and vertically sets up two deflector (4) on base (3), and two deflector (4) parallel, and supply gliding spout (5) of weight (2) are seted up to one side that two deflector (4) are close to mutually, spout (5) extend along the direction of height of deflector (4).

3. The pile foundation detection device of claim 2, wherein: drive assembly is including setting up in pneumatic cylinder (8) of keeping away from one side mutually in two deflector (4), and the one end of two pneumatic cylinders (8) all is connected perpendicularly with base (3), the equal arch in both sides of slide plate (6) has connecting block (7) of stretching out outside deflector (4), set up logical groove (9) that supply connecting block (7) to stretch out on deflector (4), lead to the direction of height extension, two of deflector (4) are followed in groove (9) connecting block (7) respectively with the piston rod fixed connection of a pneumatic cylinder (8).

4. A pile foundation detection device according to claim 3, wherein: locking assembly includes two guide bars (10) that set up towards the vertical extension of weight (2) direction on slide plate (6), and two guide bars (10) symmetry set up in the both sides of slide plate (6), and the one end sliding connection that slide plate (6) were kept away from in guide bar (10) has plug block (11), set up on weight (2) lateral wall and supply plug block (11) grafting slot (12) of pegging graft, be equipped with in guide bar (10) and act on plug block (11) and provide towards the elastic component of the interior shift trend of plug slot (12) for plug block (11), plug block (11) bottom surface sets up holding down surface (18) near the one end slope of plug slot (12).

5. The pile foundation detection device of claim 4, wherein: the one end that slide plate (6) was kept away from in guide bar (10) is seted up and is supplied through-hole (14) that plug-in block (11) passed, the middle part arch of plug-in block (11) has protruding edge (15) of annular, and one side that two guide bar (10) kept away from mutually is seted up and is supplied protruding gliding recess (16) along (15) of annular with through-hole (14) intercommunication, the notch department interference joint of recess (16) has spacing ring (17) that are used for preventing protruding edge (15) of annular to break away from recess (16).

6. The pile foundation detection device of claim 5, wherein: the elastic piece is a spring (13) sleeved on the plug-in block (11), one end of the spring (13) is abutted against the limiting ring (17), and the other end of the spring (13) is abutted against the annular convex edge (15).

7. The pile foundation detection device of claim 6, wherein: two cross beams (19) are connected between the two guide plates (4), the two cross beams (19) are symmetrically arranged at two ends of the guide plates (4) in the width direction, the cross beams (19) are positioned at one ends, far away from the base (3), of the guide plates (4), the unlocking assembly comprises lower compression columns (20) vertically arranged on the cross beams (19), and the lower compression columns (20) extend towards the direction of the base (3); the bottom of the lower pressing column (20) is provided with an inclined guide surface (21), and the upper side of the inserting block (11) is provided with a driving groove (22) for the insertion of the guide surface (21) of the lower pressing column (20) so as to separate the inserting block (11) from the inserting groove (12).

8. The pile foundation detection device of claim 7, wherein: one side of the driving groove (22) far away from the pressing surface (18) is obliquely provided with a matching surface (23) matched with the guide surface (21).