CN215640650U

CN215640650U - Nondestructive testing device that natural foundation used

Info

Publication number: CN215640650U
Application number: CN202122182338.1U
Authority: CN
Inventors: 吴雨源
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-01-25
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a nondestructive testing device for a natural foundation, and relates to the technical field of foundation testing equipment. The utility model comprises a bracket which can be placed on a foundation, wherein two bearing plates which can move synchronously are symmetrically arranged on the bracket, plate bodies are respectively placed on the two bearing plates, and a hammer head is fixed between the two plate bodies. According to the utility model, the hammer head, the first round rod and the collision rod are supported on the foundation through the support and the bearing plates, the two bearing plates are controlled to move upwards through the driving part, the two plate bodies are driven to move upwards, so that the hammer head is driven to move upwards, after the height of the hammer head is lifted, the plate bodies are rotated to be separated from the bearing plates, the support hammer head without the bearing plates can freely fall, so that the collision rod is hammered, and the bottom of the collision rod enters the foundation.

Description

Nondestructive testing device that natural foundation used

Technical Field

The utility model relates to the technical field of foundation detection equipment, in particular to a nondestructive detection device for a natural foundation.

Background

The natural foundation refers to a natural soil layer in which a foundation can be directly placed without treating the foundation. When the geological condition of the soil layer is better and the bearing capacity is stronger, a natural foundation can be adopted. The bearing capacity of the foundation is the bearing potential exerted along with the increase of the load on the unit area of the foundation soil, and the common unit KPa is a comprehensive word for evaluating the stability of the foundation. It should be noted that the bearing capacity of the foundation is a practical term for foundation design to facilitate evaluation of the strength and stability of the foundation, and is not a basic property index of soil. The shear strength theory of soil is the theoretical basis for researching and determining the bearing capacity of the foundation.

The bearing capacity of the foundation of the natural foundation still needs to be detected before the natural foundation is used as the foundation, in order to not destroy the integrity of the natural foundation, the bearing capacity of the foundation is calculated in a hammering mode at present, the specific method is that detection reinforcing steel bars are vertically placed on the foundation, hammer heads naturally fall to hammer the reinforcing steel bars, the bearing capacity of the natural foundation is calculated according to the quality of the hammer heads and the insertion depth of the reinforcing steel bars, but the operation process has defects, the hammer heads need to be lifted manually and then opened to enable the hammer heads to naturally fall to move, however, the hammer heads are heavy, and the bearing capacity of the whole foundation can be detected only through multiple tests, so that multiple workers are required to cooperate and frequently lift the hammer heads, manpower is wasted, the labor intensity of the workers is increased, and therefore, the nondestructive detection device for the natural foundation is designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the utility model provides a nondestructive testing device for a natural foundation, which aims to solve the problem that a plurality of workers are required to frequently lift a hammer head manually when carrying out nondestructive foundation bearing capacity testing on the natural foundation at present.

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a nondestructive test device that natural ground was used, is including placing the support on the ground, but two synchronous motion's loading board is installed to the symmetry on the support, two the plate body has all been placed on the loading board, two be fixed with the tup between the plate body, it has round bar one just to run through in the tup round bar one is fixed with the feeler lever, the feeler lever contacts with the ground just the last scale that is marked of feeler lever, still including installing be used for on the support control two the driving piece of loading board motion.

Further, the support includes the backup pad of two symmetry settings, the backup pad bottom is fixed with the base, two the backup pad top is through mounting panel fixed connection.

Furthermore, a sliding groove is formed in the supporting plate in a penetrating mode, the bearing plates are in sliding fit with the sliding groove and can move in the sliding groove in the vertical direction, and the two bearing plates are fixedly connected through a U-shaped rod.

Further, the driving piece is including rotating the installation at one of them the threaded rod in the sliding tray, the one end of threaded rod is run through the mounting panel just the threaded rod with loading board screw-thread fit, still including fixing on the mounting panel and being used for control threaded rod pivoted motor.

Furthermore, a first bevel gear is fixed on the threaded rod, a second bevel gear is meshed with one side of the first bevel gear, a rotating rod is fixed on one side, far away from the first bevel gear, of the second bevel gear, and the rotating rod is fixed with an output shaft of the motor.

Furthermore, a second round rod is fixed on the tops of the two plate bodies.

Furthermore, a limiting plate is fixed at the top of the round rod.

Furthermore, two connecting rods are symmetrically fixed on one of the supporting plates, a limiting sleeve is fixed between the two connecting rods, and the abutting rods are movably inserted in the limiting sleeve.

The utility model has the following beneficial effects:

according to the utility model, the hammer head, the first round rod and the collision rod are supported on the foundation through the support and the bearing plates, the two bearing plates are controlled to move upwards through the driving part, the two plate bodies are driven to move upwards, so that the hammer head is driven to move upwards, after the height of the hammer head is lifted, the plate bodies are rotated to be separated from the bearing plates, the support hammer head without the bearing plates can freely fall, so that the collision rod is hammered, and the bottom of the collision rod enters the foundation.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a front view of the present invention;

fig. 4 is a cross-sectional view taken along the line B-B of fig. 2 in accordance with the present invention.

Reference numerals: 1. a support; 101. a support plate; 102. a base; 103. mounting a plate; 2. a carrier plate; 3. a plate body; 4. a hammer head; 5. a first round rod; 6. a touch bar; 7. a drive member; 701. a threaded rod; 702. a motor; 8. a sliding groove; 9. a U-shaped rod; 10. a first bevel gear; 11. a second bevel gear; 12. a rotating rod; 13. a second round bar; 14. a limiting plate; 15. a connecting rod; 16. a limiting sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, should not be construed as limiting the present invention.

As shown in FIG. 1, an embodiment of the present invention provides a nondestructive testing apparatus for natural foundation, comprising a support 1 capable of being placed on the foundation, wherein the support 1 is vertically placed on the foundation, two synchronously movable bearing plates 2 are symmetrically installed on the support 1, the bearing plates 2 are configured to be rectangular and arranged in a horizontal direction, plates 3 are placed on both the bearing plates 2, the plates 3 are also configured to be rectangular, a hammer 4 is fixed between the two plates 3, a round bar 5 penetrates through the hammer 4, an interference bar 6 is fixed on the round bar 5, a through hole for the round bar 5 to pass through is configured at the center of the hammer 4, the diameter of the through hole is larger than that of the round bar 5, the interference bar 6 is fixed at the bottom of the round bar 5, the interference bar 6 is configured to be cylindrical, and the diameter of the interference bar 6 is larger than that of the through hole on the hammer 4, the utility model also comprises a driving piece 7 which is arranged on the bracket 1 and is used for controlling the movement of the two bearing plates 2, when in use, the bracket 1 is firstly placed on the foundation to be detected, then the bottom of the contact rod 6 is contacted with the foundation, and the two plate bodies 3 on the hammer head 4 are positioned above the bearing plates 2, then the driving piece 7 is used for controlling the two bearing plates 2 to move upwards to lift the two plate bodies 3, thereby lifting the hammer head 4, and because the diameter of the through hole on the hammer head 4 is larger than that of the round rod I5, the round rod I5 and the contact rod 6 cannot be driven to move when the hammer head 4 moves upwards, after the hammer head 4 moves upwards to a certain distance, the driving piece 7 is closed, then the plate body 3 is rotated to drive the hammer head 4 to rotate above the bearing plates 2, when the plate bodies 3 are completely separated from the bearing plates 2, because the supporting of the bearing plate 2 is lost, the hammer head 4 and the two plate bodies 3 perform free falling body movement outside the round rod one 5, the touch rod 6 is hammered to enable the bottom of the touch rod 6 to enter the inside of the foundation, then the bearing capacity of the foundation is calculated according to the total mass of the hammer head 4 and the two plate bodies 3 and the depth of the touch rod 6 inserted into the foundation, when the hammer head 4 needs to be lifted up again, the driving piece 7 is used for controlling the two bearing plates 2 to move to the bottom of the plate bodies 3, then the driving piece 7 is closed, the plate bodies 3 and the hammer head 4 are rotated to enable the plate bodies 3 to be located right above the bearing plates 2, then the driving piece 7 is used for controlling the bearing plates 2 to move upwards until the bearing plates 3 are collided with the plate bodies 3 and the plate bodies 3 are lifted up, the design does not need multiple workers to cooperate to repeatedly lift up the hammer head 4, labor is saved, the working strength of the workers is reduced, and the problem that multiple workers are frequently cooperated manually when the bearing capacity of the natural foundation is detected in a nondestructive mode is solved at present The problem of lifting the hammer head 4.

As shown in fig. 1, specifically, the support 1 includes two support plates 101 symmetrically disposed, and the support plates 101 are configured as a rectangle and are disposed in a vertical direction, and a base 102 is fixed to the bottom of the support plates 101, where the base 102 is configured as a rectangle and is disposed in a horizontal direction, and the base 102 is designed to increase a contact area between the support plates 101 and a foundation, and improve the support stability of the support 1, and at the same time, the tops of the two support plates 101 are fixedly connected by a mounting plate 103, and the mounting plate 103 is configured as a rectangle and is disposed in a horizontal direction.

As shown in fig. 1 and 2, in particular, the connection between the two carrier plates 2 and the movement on the support 1 are formed by a sliding slot 8 extending through the support plate 101, wherein the carrier plates 2 are slidably fitted into the sliding slot 8 and the carrier plates 2 can move vertically in the sliding slot 8, while the two carrier plates 2 are fixedly connected by a U-shaped rod 9, and due to the connection of the U-shaped rod 9, the two carrier plates 2 will move vertically in the sliding slot 8 under the action of the driving member 7.

As shown in fig. 1, 2 and 4, it is preferable that the driving member 7 includes a threaded rod 701 rotatably mounted in one of the sliding grooves 8, wherein the threaded rod 701 is arranged in a vertical direction and fixed in the sliding groove 8 by a bearing, while one end of the threaded rod 701 penetrates through the mounting plate 103 and the threaded rod 701 is in threaded engagement with the bearing plate 2, and the driving member 7 further includes a motor 702 fixed on the mounting plate 103 and controlling the rotation of the threaded rod 701, when in use, the motor 702 is turned on to rotate the threaded rod 701, since the threaded rod 701 is in threaded engagement with one of the bearing plates 2 and the bearing plate 2 is locked in the sliding groove 8 and is not rotatable, so as to drive the one bearing plate 2 to move in the vertical direction outside the threaded rod 701, and the two bearing plates 2 will move synchronously under the connection of the U-shaped rod 9, and it should be noted that the bearing plate 2 on the other side of the threaded rod 701 and not in threaded engagement with the bearing plate 2 functions to enable the two plate bodies 3 to move the hammer 4 Is equally divided into two carrying floors 2.

As shown in fig. 1, 2 and 4, in particular, the motor 702 drives the threaded rod 701 to rotate in a manner that a first bevel gear 10 is fixed on the threaded rod 701, the first bevel gear 10 is set to be in a horizontal direction, a second bevel gear 11 is meshed with one side of the first bevel gear 10, the second bevel gear 11 is set to be in a vertical direction, a rotating rod 12 is fixed on one side, away from the first bevel gear 10, of the second bevel gear 11, the rotating rod 12 is set to be in a horizontal direction, and the rotating rod 12 is fixed with an output shaft of the motor 702, so that when the output shaft of the motor 702 rotates in a forward direction or a reverse direction, the rotating rod 12 and the second bevel gear 11 are driven to rotate, the first bevel gear 10 is driven to rotate, and the threaded rod 701 is driven to rotate finally.

As shown in fig. 1 and 3, in order to facilitate the rotation of the plate bodies 3, a second round bar 13 is fixed on the top of each of the two plate bodies 3, so that the second round bar 13 can be pushed to drive the plate bodies 3 to rotate.

As shown in fig. 2, 3 and 4, in order to control the lifting distance of the hammer 4, a stopper plate 14 is fixed on the top of the round bar 5, so that the hammer 4 can be moved to interfere with the stopper plate 14 each time the hammer 4 is lifted, and thus the distance of free fall of the hammer 4 is constant each time.

As shown in fig. 1, 3 and 4, in order to prevent the striking rod 6 from collapsing when the striking head 4 strikes the striking rod 6, two connecting rods 15 are symmetrically fixed on one of the supporting plates 101, and a limiting sleeve 16 is fixed between the two connecting rods 15, wherein the striking rod 6 is movably inserted into the limiting sleeve 16.

Claims

1. The utility model provides a nondestructive test device that natural ground was used, its characterized in that, including can placing support (1) on the ground, but support (1) is gone up the symmetry and is installed two synchronous motion's loading board (2), two plate body (3) have all been placed on loading board (2), two be fixed with tup (4) between plate body (3), it has round bar (5) just to run through in tup (4) round bar (5) are gone up and are fixed with and support feeler lever (6), contact feeler lever (6) and ground just it has the scale to support to mark on feeler lever (6), still including installing be used for on support (1) control two driving piece (7) of loading board (2) motion.

2. The nondestructive testing device for natural foundation as claimed in claim 1 wherein said support frame (1) comprises two symmetrically disposed supporting plates (101), a base (102) is fixed to the bottom of said supporting plates (101), and the tops of said two supporting plates (101) are fixedly connected by a mounting plate (103).

3. The nondestructive testing apparatus for natural foundation as claimed in claim 2, wherein the supporting plate (101) is formed with a sliding groove (8) therethrough, the carrying plate (2) is slidably engaged with the sliding groove (8) and the carrying plate (2) can move vertically in the sliding groove (8), and the two carrying plates (2) are fixedly connected by a U-shaped bar (9).

4. A nondestructive testing apparatus for natural ground as claimed in claim 3 wherein said driving member (7) comprises a threaded rod (701) rotatably mounted in one of said slide grooves (8), one end of said threaded rod (701) extending through said mounting plate (103) and said threaded rod (701) being in threaded engagement with said bearing plate (2), and a motor (702) fixed to said mounting plate (103) for controlling the rotation of said threaded rod (701).

5. The nondestructive testing device for the natural foundation as claimed in claim 4, wherein a first bevel gear (10) is fixed on the threaded rod (701), a second bevel gear (11) is engaged with one side of the first bevel gear (10), a rotating rod (12) is fixed on one side of the second bevel gear (11) far away from the first bevel gear (10), and the rotating rod (12) is fixed with an output shaft of the motor (702).

6. A nondestructive testing device for natural foundations as claimed in claim 1, wherein a second round bar (13) is fixed to the top of each of said two plates (3).

7. A nondestructive testing apparatus for natural ground as claimed in claim 1 wherein a stopper plate (14) is fixed to the top of said first rod (5).

8. The nondestructive testing device for natural foundation as claimed in claim 2, wherein two connecting rods (15) are symmetrically fixed on one of the supporting plates (101), a limiting sleeve (16) is fixed between the two connecting rods (15), and the contact rod (6) is movably inserted in the limiting sleeve (16).