CN214787349U - Pile foundation aperture detection device - Google Patents

Abstract

The application relates to a pile foundation aperture detection device, which relates to the field of pile foundation engineering detection and comprises an upper rod piece and a lower rod piece, wherein a partition plate is arranged on the upper rod piece and the lower rod piece; the partition plate is provided with a driving mechanism for driving the guide rod to vertically move, and the partition plate is provided with an automatic locking mechanism for unlocking or locking the lower rod piece. This application has and measures the completion back when measuring the leg, overcomes compression spring's elastic force and realizes contracting the measurement leg automatically through the removal of actuating mechanism control guide bar to reach the effect of simple operation.

Description

Pile foundation aperture detection device

Technical Field

The application relates to the field of pile foundation engineering detection, in particular to a pile foundation aperture detection device.

Background

The existing pile foundation hole detection is that after a pile hole is formed, a reinforcement cage is put in, the hole is moved into the pile hole to detect the equivalent of the hole diameter and the hole depth, and pile foundation hole diameter detection equipment is used for forming the pile hole in a foundation by means of mechanical drilling, reinforcement extrusion or manual excavation and the like on an engineering site, and placing the reinforcement cage and pouring concrete in the pile hole to form the pile.

Chinese patent with application number CN201822241637.6 in the related art proposes an automatic open-leg bored concrete pile aperture detector, which comprises a controller, a main body, a plurality of measuring legs, a support rod and a leg opening disc, wherein: the top of the main body is connected with a controller through a cable; the plurality of measuring legs are movably connected with the main body; the support rod consists of an upper rod piece and a lower rod piece which are connected in a telescopic manner, the upper rod piece is connected to the bottom of the main body, an elastic locking assembly for controlling the support rod to stretch is arranged between the upper rod piece and the lower rod piece, and the elastic locking assembly is in communication connection with the controller; the leg opening plate is fixed on the lower rod piece and synchronously acts with the lower rod piece, and is used for drawing the measuring legs in when the supporting rod is contracted and releasing the measuring legs when the supporting rod is extended so as to open the measuring legs.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: after the measuring leg is unfolded and placed in the pile hole for measurement through the elastic locking mechanism, the equipment is taken out, a lot of soil is attached to the measuring leg, and at the moment, the measuring leg is manually contracted, so that the phenomenon that the measuring leg is slipped due to the fact that the elastic force of the spring needs to be overcome, and operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to improve the manual elastic force that makes the measurement leg shrink need overcome the spring and can take place the phenomenon of skidding, inconvenient operation's problem, this application provides a pile foundation aperture detection device.

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

a pile foundation aperture detection device comprises a controller, a main body, a plurality of measuring legs, a support rod and a leg opening disc, wherein the support rod comprises an upper rod piece and a lower rod piece which are connected in a telescopic mode, and a compression spring is arranged between the lower rod pieces; a partition plate is arranged between the upper rod piece and the lower rod piece and fixedly connected to the upper rod piece, one side, close to the lower rod piece, of the partition plate is fixedly connected to the compression spring, a through hole is formed in the partition plate, a guide rod is arranged in the lower rod piece, and the guide rod penetrates through the through hole and extends to one side, far away from the lower rod piece, of the partition plate; the partition board is provided with a driving mechanism for driving the guide rod to vertically move, and the partition board is provided with an automatic locking mechanism for unlocking or locking the lower rod piece.

By adopting the technical scheme, after the pile hole is measured by using the measuring leg, the guide rod can be moved upwards by the driving mechanism to drive the lower rod piece to move upwards on the upper rod piece, so that the measuring leg is automatically contracted; when the driving mechanism drives the guide rod to move downwards, the automatic unlocking mechanism unlocks the lower part rod piece to realize automatic opening of the measuring leg, so that the measuring leg is automatically contracted and opened without manual operation, meanwhile, the guide rod can be driven to move upwards through the driving mechanism to ensure effective opening of the measuring leg, and the operation is more convenient.

Optionally, a rack is arranged on the guide rod, the driving mechanism comprises a gear and a motor, the gear is arranged on the partition plate and meshed with the rack in a matching manner, and the gear is used for driving the gear to rotate, and the motor is arranged on the partition plate.

Through adopting above-mentioned technical scheme, inching the gear through the motor for the gear revolve, the rotation drive of gear and the removal of the rack that the gear carries out the meshing, order about the guide bar and move in vertical direction, make lower part member remove along with the removal of guide bar, realize opening or contracting the automation of measuring the leg.

Optionally, an anti-collision plate is arranged inside the upper rod piece, the anti-collision plate is arranged on the guide rod and fixedly connected with the guide rod, a first spring is arranged on one side, close to the partition plate, of the anti-collision plate, and one end of the first spring is fixedly connected with the anti-collision plate.

Through adopting above-mentioned technical scheme, after the motor inching drive gear stops, the inertial rotation of gear makes the rack drive guide bar and moves the impulsive force down too big, can make the impact of measuring leg influence measurement accuracy on the pore wall, but is provided with crashproof board and connects first spring, and when the drive guide bar moved down, crashproof board and first spring can have a cushioning effect to the guide bar, reduce the possibility that the measuring leg struck the pore wall for measurement accuracy is more accurate.

Optionally, a clamping portion is arranged at the upper end of the upper rod piece, a gap for the clamping portion to pass through is formed between the partition board and the inner wall of the upper rod piece, the automatic locking mechanism comprises a sliding block and a second spring, a groove is formed in one side, close to the gap, of the partition board, and is arranged along the radial direction of the upper rod piece, the opening of the groove faces towards the gap, the sliding block is arranged in the groove in a sliding manner, the second spring is connected between the sliding block and the bottom wall of the groove, and a return piece for adsorbing the sliding block is arranged in the groove.

Through adopting above-mentioned technical scheme, when the return spare does not drive the slider and slides, the slider because the effect of spring, with the lateral wall butt of upper portion member can adsorb the slider through the return spare for leave the clearance between slider and the upper portion member lateral wall, the guide bar orders about lower part member rebound, buckling part one side is along upper portion member inside wall rebound, makes buckling part can slide along the clearance and slide each other and lock joint on the slider with the slider, realizes the state of locking after accomplishing the shrink of measuring the leg.

Optionally, the return member includes the electro-magnet, the electro-magnet has connect the electric controller, be equipped with the iron plate on the slider, the electro-magnet inlays to be established in the second spring, and with the diapire of recess is connected.

By adopting the technical scheme, the electric controller controls the electrifying state of the electromagnet, and after the electric controller controls the electromagnet to be electrified, the electromagnet can adsorb the iron block on the sliding block, so that the sliding block slides along the direction of the electromagnet, and the sliding block retracts into the groove, thereby realizing the automatic unlocking of the lower rod piece; when the point controller is powered off, the electromagnet has no magnetic force, the electromagnet does not adsorb the sliding block any more, the sliding block slides along one end far away from the electromagnet through the stretching force of the spring and abuts against the inner side wall of the upper rod piece, and the locking effect on the lower rod piece is achieved.

Optionally, an inclined surface is arranged at one end of the sliding block close to the gap, and the inclined surface faces the compression spring.

Through adopting above-mentioned technical scheme, when the drive guide bar upwards moved and made lower part member upwards remove, buckle portion can be close the clearance between baffle and the upper portion member inner wall gradually, contacted the inclined plane of slider and slided each other with the slider, and the lock joint is on the slider at last for lower part member is fixed and can not move down.

Optionally, an anti-falling assembly for preventing the lower rod piece from falling off is arranged in the supporting rod.

Through adopting above-mentioned technical scheme, when opening the measurement leg, when the lower part member slided downwards, when the power that receives surpassed compression spring's elasticity limit, through the anticreep subassembly that sets up between upper portion member and the lower part member, prevent that the lower part member from droing.

Optionally, the anti-disengaging assembly includes the lug, the lug sets up the lower part member periphery, the lateral wall of upper portion member is seted up and is not run through the groove that slides of upper portion member bottom, the lug with slide groove looks adaptation and sliding connection.

By adopting the technical scheme, when the upper rod piece is provided with the sliding groove, the lug on the lower rod piece can slide in the range of the sliding groove, so that the upper rod piece and the lower rod piece move in a limited range, and the possibility of falling off of the lower rod piece is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the measuring leg is used for measuring the pile hole, the guide rod can be moved upwards through the driving mechanism, so that the measuring leg is automatically contracted, and when the lower rod piece slides upwards to a certain degree, the automatic locking device can lock the lower rod piece, so that the measuring leg is kept in a contracted state; when the driving mechanism drives the guide rod to move downwards, the automatic unlocking mechanism unlocks the lower rod piece, so that the measuring legs are automatically opened, the measuring legs are automatically contracted and opened, manual operation is not needed, and the operation is more convenient and faster;

2. the gear is moved through the motor in a inching mode, the gear rotates, the rotation of the gear drives the rack meshed with the gear to move, the guide rod is driven to move in the vertical direction, the lower rod piece moves along with the movement of the guide rod, and the automatic opening or contraction of the measuring leg is achieved;

3. when the upper rod piece is provided with the sliding groove, the lug on the lower rod piece can slide in the range of the sliding groove, so that the upper rod piece and the lower rod piece move in a limited range, and the possibility of falling off of the lower rod piece is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a compression spring, a lower rod, a partition plate, a guide rod, a rack, a gear, a motor, an anti-collision plate, a first spring and a sliding block according to an embodiment of the present application;

FIG. 3 is a cross-sectional view of an upper link, lower link, and leg opening plate of an embodiment of the present application;

fig. 4 is a partially enlarged schematic view of a portion B in fig. 3.

Reference numerals: 1. a main body; 2. a measuring leg; 3. a support bar; 4. opening a leg plate; 5. an upper rod member; 6. a lower rod member; 7. a compression spring; 8. a partition plate; 9. a through hole; 10. a guide bar; 11. a rack; 12. a gear; 13. a motor; 14. an anti-collision plate; 15. a first spring; 16. a fastening part; 17. a slider; 18. a second spring; 19. a groove; 20. an electrical controller; 21. a bump; 22. a sliding groove; 23. an electromagnet.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses pile foundation aperture detection device. Referring to fig. 1 and 2, pile foundation aperture detection device includes main part 1, measurement leg 2, bracing piece 3, and backup pad 3 includes upper portion member 5 and lower part member 6, is provided with baffle 8 between upper portion member 5 and lower part member 6, and is specific, 8 rigid couplings of baffle are on upper portion member 5, and the rigid coupling has compression spring 7 between lower part member 6 and the baffle 8, has seted up through-hole 9 on the baffle 8. A guide rod 10 is arranged in the lower rod piece 6 along the axial direction of the lower rod piece, the guide rod 10 penetrates through the through hole 9 and extends to one side, far away from the lower rod piece 6, of the partition plate 8, the guide rod 10 is connected with the through hole 9 in a sliding mode, and a driving mechanism for driving the guide rod 10 to move in the vertical direction is arranged on the partition plate 8; when the driving mechanism drives the guide rod 10 to move, the lower link 6 moves along with the movement of the guide rod 10. The end part of the lower rod piece 6 close to one side of the partition plate 8 is provided with a buckling part 16, a gap is formed between the partition plate 8 and the upper rod piece 5, and the partition plate 8 is provided with an automatic locking mechanism for locking or unlocking the buckling part 16; when the lower link 6 moves upward, the latch portion 16 moves vertically in the radial direction of the upper link 5 through the gap, and the automatic locking mechanism locks the latch portion 16.

Referring to fig. 2 and 4, the automatic locking mechanism comprises a sliding block 17 and a second spring 18, the sliding block 17 is slidably arranged in a groove 19 formed in one side of the partition plate 8 close to the upper rod piece 5 along the radial direction of the upper rod piece 5, an iron block is arranged on the sliding block 17, an inclined surface is arranged at one end of the sliding block 17 close to the gap, and the inclined surface faces the compression spring 7; the opening of the groove 19 faces the gap, the second spring 18 is fixedly connected between the sliding block 17 and the bottom wall of the groove 19, a return member having adsorption force on the sliding block 17 is arranged in the second spring 18, the return member comprises an electromagnet 23, the electromagnet 23 is fixedly connected to the bottom wall of the groove 19, and the electromagnet 23 is connected with an electric controller 20 for controlling the electrifying state of the electromagnet 23.

When the electric controller 20 controls the electromagnet 23 to be electrified, the electromagnet 23 has an adsorption force, the adsorption sliding block 17 moves towards the electromagnet 23, when the electric controller is powered off, the electromagnet 23 has no adsorption force, and the sliding block 17 moves towards a direction far away from the electromagnet 23 due to the elastic force of the spring; when the slider 17 contacts the buckling part 16, the buckling part 16 can slide along the inclined plane of the slider 17, and when the buckling part 16 slides to cross the upper end surface of the slider 17, the slider 17 locks the buckling part 16.

Referring to fig. 2, the driving device for driving the guide rod 10 includes a gear 12 and a motor 13, the gear 12 and the motor 13 are disposed on the partition plate 8, the motor 13 drives the gear 12 to rotate, a rack 11 engaged with the gear 12 is disposed on the guide rod 10, when the motor 13 stirs the gear 12 to rotate, the rack 11 will move along with the rotation of the gear 12, and the movement of the rack 11 drives the guide rod 10 to move in the vertical direction; because the motor 13 inching the drive gear 12 to rotate, the impact force of the downward movement of the guide rod 10 is too large, and the impact of the measuring leg 2 on the hole wall influences the measuring precision, the anti-collision plate 14 is arranged on the guide rod 10, the side, close to the partition plate 8, of the anti-collision plate 14 is fixedly connected with the first spring 15, when the guide rod 10 moves downward, the first spring 15 can provide a buffer effect for the downward movement of the guide rod, and the impact of the measuring leg 2 on the hole wall of the pile hole is reduced.

Referring to fig. 3 and 4, when the measuring leg 2 is controlled to be opened or retracted, the elastic limit of the compression spring 7 has a certain range, when the elastic limit exceeds a certain range, the lower rod 6 falls off, in order to prevent the falling off, an anti-falling assembly is arranged between the upper rod 5 and the lower rod 6, the anti-falling assembly comprises a convex block 21, the convex block 21 is arranged on the periphery of the lower rod 6, a sliding groove 22 which does not penetrate through the bottom of the upper rod 5 is formed in the side wall of the upper rod 5, the convex block 21 is matched and slidably connected with the sliding groove 22, and the convex block 21 can be slidably connected in the sliding groove 22.

The implementation principle of the pile foundation aperture detection device in the embodiment of the application is as follows: after the pile hole is measured by the measuring leg 2, the gear 12 can be inching through the motor 13 to rotate, the gear 12 drives and moves with the rack 11 to enable the guide rod 10 to move upwards, automatic contraction of the measuring leg 2 is achieved, the measuring leg 2 does not need to manually overcome the elastic force of the spring to achieve contraction of the measuring leg 2, and operation is convenient. When the lower rod piece 6 slides upwards to a certain degree, the electric controller 20 controls the electromagnet 23 to be in a non-energized state, the sliding block 17 abuts against the inner side wall of the upper rod piece 5 due to the elastic force of the second spring 18, when the buckling part 16 moves upwards along with the movement of the lower rod piece 6 and is in contact with the sliding block 17, the sliding block 17 slides relative to the sliding block, and when the buckling part 16 slides over the upper end face of the sliding block 17, the sliding block 17 locks the buckling part 16, so that the lower rod piece 6 is locked, and the measuring leg 2 keeps a contracted state; when the guide rod 10 is driven to move downwards, the electromagnet 23 is electrified, so that the electromagnet 23 controls the sliding block 17 to move towards the electromagnet 23, the sliding block 17 unlocks the buckling part 16 of the lower rod piece 6, the lower rod piece 6 moves downwards, and the automatic opening of the measuring leg 2 is realized.

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 (8)

1. A pile foundation aperture detection device comprises a controller, a main body (1), a plurality of measuring legs (2), a support rod (3) and a leg opening disc (4), wherein the support rod (3) comprises an upper rod piece (5) and a lower rod piece (6) which are connected in a telescopic mode; a compression spring (7) is arranged on the lower rod piece (6); the method is characterized in that: a partition plate (8) is arranged between the upper rod piece (5) and the lower rod piece (6), the partition plate (8) is fixedly connected to the upper rod piece (5), and one side, close to the lower rod piece (6), of the partition plate (8) is fixedly connected with the compression spring (7); the partition plate (8) is provided with a through hole (9), a guide rod (10) is arranged in the lower rod piece (6), and the guide rod (10) penetrates through the through hole (9) and extends to one side, far away from the lower rod piece (6), of the partition plate (8); the automatic locking device is characterized in that a driving mechanism for driving the guide rod (10) to vertically move is arranged on the partition plate (8), and an automatic locking mechanism for unlocking or locking the lower rod piece (6) is arranged on the partition plate (8).

2. The pile foundation aperture detection device of claim 1, wherein: be equipped with rack (11) on guide bar (10), actuating mechanism includes gear (12) and motor (13), gear (12) are arranged in on baffle (8) and with rack (11) meshing adaptation for the drive gear (12) pivoted motor (13) are arranged in on baffle (8).

3. The pile foundation aperture detection device of claim 2, wherein: the anti-collision device is characterized in that an anti-collision plate (14) is arranged inside the upper rod piece (5), the anti-collision plate (14) is arranged on the guide rod (10) and fixedly connected with the guide rod (10), the anti-collision plate (14) is close to one side of the partition plate (8) and is provided with a first spring (15), and one end of the first spring (15) is fixedly connected with the anti-collision plate (14).

4. The pile foundation aperture detection device of claim 3, wherein: the automatic locking mechanism is characterized in that a clamping portion (16) is arranged at the upper end of the upper portion rod piece (5), a gap for allowing the clamping portion (16) to penetrate is formed between the partition plate (8) and the inner wall of the upper portion rod piece (5), the automatic locking mechanism comprises a sliding block (17) and a second spring (18), one side, close to the gap, of the partition plate (8) is provided with a groove (19) along the radial direction of the upper portion rod piece (5), the opening of the groove (19) faces the gap, the sliding block (17) is arranged in the groove (19) in a sliding mode, the second spring (18) is connected between the sliding block (17) and the bottom wall of the groove (19), and a return piece for adsorbing the sliding block (17) is arranged in the groove (19).

5. The pile foundation aperture detection device of claim 4, wherein: the return member includes electro-magnet (23), electro-magnet (23) have connect electric controller (20), be equipped with the iron plate on slider (17), electro-magnet (23) are inlayed and are established in second spring (18), and with the diapire of recess (19) is connected.

6. The pile foundation aperture detection device of claim 5, wherein: one end, close to the gap, of the sliding block (17) is provided with an inclined surface, and the inclined surface faces the compression spring (7).

7. The pile foundation aperture detection device of claim 6, wherein: the support rod (3) is internally provided with an anti-falling component for preventing the lower rod piece (6) from falling off.

8. The pile foundation aperture detection device of claim 7, wherein: the anticreep subassembly includes lug (21), lug (21) set up lower part member (6) periphery, the lateral wall of upper portion member (5) is seted up and is not run through sliding groove (22) of upper portion member (5) bottom, lug (21) with sliding groove (22) looks adaptation and sliding connection.

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