CN218322680U

CN218322680U - Device for judging safety of bearing capacity of foundation

Info

Publication number: CN218322680U
Application number: CN202222349801.1U
Authority: CN
Inventors: 李晓丽; 黄伟华; 梁均华
Original assignee: Guangdong Shangbiao Testing And Identification Co ltd
Current assignee: Guangdong Shangbiao Testing And Identification Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-01-17
Anticipated expiration: 2032-09-05

Abstract

The utility model provides a discriminating gear of foundation bearing capacity security, the on-line screen storage device comprises a base, the fixed surface of base has the support, the top of support is fixed with electric telescopic handle, electric telescopic handle's flexible end surface slides and has cup jointed the height-limiting board. The utility model discloses discriminating gear of ground bearing capacity security passes through proximity sensor, electric telescopic handle, powerful electromagnet, the setting of height-limiting plate isotructure, can drive the automatic whereabouts of weight automatically, and when electric telescopic handle drives the regular height that the weight rises, proximity sensor can give powerful electromagnet automatic power off with the detected signal feedback to the controller, so that the weight all falls at the high automation of regulation at every turn, the accuracy of discrimination has been improved, the position that can height-limiting plate be adjusted through the setting of height-adjusting mechanism simultaneously, so that fall height according to actual demand adjustment, it is more nimble to use.

Description

Device for judging safety of bearing capacity of foundation

Technical Field

The utility model relates to a construction technical field specifically is a discriminating gear of foundation bearing capacity security.

Background

When judging the safety of the bearing capacity of the foundation, a probe rod is generally driven into the foundation, the bearing capacity of the foundation is represented by recording the hammering number required for driving the probe rod into a certain depth, and if the probe rod is driven into the specified depth before reaching the specified hammering number, the safety of the foundation is proved to be unqualified, so as to judge.

The existing detection method is to loosen the heavy hammer after being lifted manually and drop the heavy hammer to drive the probe into the foundation, and the method needs people to hold the probe rod and lift the heavy hammer, so that the danger is easy to occur due to error; meanwhile, the lifting distance is difficult to grasp when the heavy hammer is lifted manually, so that the hammering force is different every time when the hammer is dropped, and the detection result is inaccurate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a device for judging the safety of the bearing capacity of the foundation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a discriminating gear of ground bearing capacity security, includes the base, the fixed surface of base has the support, the top of support is fixed with electric telescopic handle, electric telescopic handle's flexible end surface slides and has cup jointed the height-limiting board, be provided with height adjusting mechanism between the top of height-limiting board and support, electric telescopic handle's flexible end is connected with powerful electromagnet, powerful electromagnet's bottom is provided with the weight, the fixed surface of base has a spacing section of thick bamboo, the inside of a spacing section of thick bamboo is provided with the probe rod, the controller is installed to the lateral wall of support.

Preferably, the top of the heavy hammer is provided with a groove, and the powerful electromagnet is adsorbed inside the groove, so that the heavy hammer is conveniently and stably adsorbed.

Preferably, the surface of base is seted up with the via hole of spacing section of thick bamboo intercommunication, conveniently passes the via hole with the probe rod, squeezes into inside the ground.

Preferably, the height adjusting mechanism comprises two threaded rods in threaded connection with the top of the support, the bottom ends of the threaded rods are rotatably connected with the surface of the height limiting plate, the top ends of the threaded rods are fixedly connected with rotating handles, the threaded rods are rotated to enable the threaded rods to ascend or descend relative to the support, and the height of the adjustable limiting plate 5 can be adjusted.

Preferably, the lower surface of height-limiting board installs first proximity sensor and second proximity sensor, and first proximity sensor and second proximity sensor all with controller electric connection, after the sensor detected that the weight removes to the regulation height, can feed back the signal to the controller, make the processing by the controller, make electric telescopic handle stop upwards and powerful electromagnet outage, wherein first proximity sensor is unanimous with the effect of second proximity sensor, when appearing a sensor and damaging, also do not influence the use.

Preferably, the controller is electrically connected with the electric telescopic rod and the powerful electromagnet, so that the electric telescopic rod and the telescopic and powerful electromagnet can be conveniently controlled to be powered on or off.

Preferably, the sliding grooves are formed in the two symmetrical side walls of the support, the sliding rods are fixed on the symmetrical side walls of the heavy hammer, and the sliding rods are in sliding connection with the sliding grooves, so that the descending stability of the heavy hammer is improved, and the heavy hammer is prevented from falling off after falling onto the probe rod.

The utility model provides a discriminating gear of foundation bearing capacity security. The method has the following beneficial effects:

the utility model discloses discriminating gear of ground bearing capacity security passes through proximity sensor, electric telescopic handle, powerful electro-magnet, the setting of height limit board isotructure, can drive the automatic whereabouts of weight automatically, and when electric telescopic handle drives the regulation height that the weight rises, proximity sensor can give the controller with the detection signal feedback and give powerful electro-magnet automatic outage, so that the weight all falls at the high automation of regulation at every turn, the accuracy of discrimination has been improved, the position that can height limit board is adjusted to the setting through height adjusting mechanism simultaneously, so that fall height according to actual demand adjustment, it is more nimble to use.

Drawings

Fig. 1 is a first perspective view of the present invention;

fig. 2 is a second perspective view of the present invention;

FIG. 3 is a diagram of the connection between the heavy punch and the strong electromagnet according to the present invention.

Wherein, 1, a base; 2. a support; 3. an electric telescopic rod; 4. a weight; 5. a height-limiting plate; 6. a threaded rod; 7. rotating the handle; 8. a first proximity sensor; 9. a second proximity sensor; 10. a chute; 11. a controller; 12. a probe rod; 13. a limiting cylinder; 14. a via hole; 15. a groove; 16. a powerful electromagnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The embodiment is as follows:

as shown in fig. 1-3, an embodiment of the present invention provides a device for determining safety of bearing capacity of a foundation, including a base 1, a support 2 is fixed on a surface of the base 1, an electric telescopic rod 3 is fixed on a top end of the support 2, a height limiting plate 5 is sleeved on an outer surface of a telescopic end of the electric telescopic rod 3 in a sliding manner, a height adjusting mechanism is arranged between the height limiting plate 5 and a top of the support 2, the telescopic end of the electric telescopic rod 3 is connected with a powerful electromagnet 16, a heavy hammer 4 is arranged at a bottom end of the powerful electromagnet 16, a limiting barrel 13 is fixed on the surface of the base 1, a feeler lever 12 is arranged inside the limiting barrel 13, and a controller 11 is installed on a side wall of the support 2.

When the device is actually used, the device is moved to a foundation where safety needs to be judged, the controller 11 controls the electric telescopic rod 3 to descend, the powerful electromagnet 16 is electrified, the electric telescopic rod 3 is connected with the heavy hammer 4 through adsorption, when the first proximity sensor 8 and the second proximity sensor 9 sense that the heavy hammer 4 ascends to a specified position, signals are fed back to the controller 11, the electric telescopic rod 3 automatically stops ascending through the controller 11, the powerful electromagnet 16 is powered off, the heavy hammer 4 freely falls down and smashes on the probe rod 12, the probe rod 12 falls into the foundation, a specified mark (not shown in the drawing) is drawn on the probe rod 12, when the heavy hammer 4 repeatedly falls to a specified number of times, if the specified mark just reaches the limiting cylinder 13, or if the specified mark reaches the limiting cylinder 13, the bearing capacity of the foundation is proved to be safe, and if the specified number of times does not reach the mark, the foundation is proved to be unsafe.

Recess 15 has been seted up on the top of weight 4, powerful electromagnet 16 adsorbs in the inside of recess 15, via hole 14 with spacing section of thick bamboo 13 intercommunication is seted up on the surface of base 1, height adjusting mechanism includes two threaded rods 6 with 2 top threaded connection of support, the bottom of two threaded rods 6 all is connected with the surface rotation of height-limiting plate 5, the equal fixedly connected with in top of two threaded rods 6 rotates handle 7, height-limiting plate 5's lower surface mounting has first proximity sensor 8 and second proximity sensor 9, and first proximity sensor 8 and second proximity sensor 9 all with controller 11 electric connection, controller 11 is connected with electric telescopic handle 3 and powerful electromagnet 16 electricity, spout 10 has all been seted up to the two symmetrical lateral walls of support 2, the symmetrical lateral wall of weight 4 all is fixed with the slide bar, slide bar and spout 10 sliding connection.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A device for judging the safety of foundation bearing capacity is characterized in that: including base (1), the fixed surface of base (1) has support (2), the top of support (2) is fixed with electric telescopic handle (3), electric telescopic handle (3) the flexible end surface slip of end has cup jointed height-limiting plate (5), be provided with height adjustment mechanism between the top of height-limiting plate (5) and support (2), the flexible end of electric telescopic handle (3) is connected with powerful electromagnet (16), the bottom of powerful electromagnet (16) is provided with weight (4), the fixed surface of base (1) has spacing section of thick bamboo (13), the inside of spacing section of thick bamboo (13) is provided with probe rod (12), controller (11) are installed to the lateral wall of support (2).

2. A device for determining the safety of bearing capacity of ground as claimed in claim 1, wherein: the top end of the heavy hammer (4) is provided with a groove (15), and the powerful electromagnet (16) is adsorbed inside the groove (15).

3. A device for determining the safety of bearing capacity of ground as claimed in claim 1, wherein: the surface of the base (1) is provided with a via hole (14) communicated with the limiting cylinder (13).

4. A device for determining the safety of bearing capacity of ground as claimed in claim 1, wherein: the height adjusting mechanism comprises two threaded rods (6) in threaded connection with the top end of the support (2), the bottom ends of the threaded rods (6) are connected with the surface of the height limiting plate (5) in a rotating mode, and the top ends of the threaded rods (6) are fixedly connected with rotating handles (7).

5. A device for determining the safety of bearing capacity of ground as claimed in claim 1, wherein: the lower surface of the height limiting plate (5) is provided with a first proximity sensor (8) and a second proximity sensor (9), and the first proximity sensor (8) and the second proximity sensor (9) are electrically connected with a controller (11).

6. The device for determining the safety of foundation bearing capacity according to claim 5, wherein: the controller (11) is electrically connected with the electric telescopic rod (3) and the powerful electromagnet (16).

7. A device for determining the safety of bearing capacity of a foundation according to claim 1, wherein: the two symmetrical side walls of the support (2) are both provided with sliding grooves (10), sliding rods are fixed on the symmetrical side walls of the heavy hammer (4), and the sliding rods are in sliding connection with the sliding grooves (10).