Real-time early warning device for karst cave breakdown of punching pile foundation

Abstract

The utility model relates to the technical field of punching construction devices, in particular to a real-time early warning device for a punched pile foundation to break through a karst cave, which is characterized in that when a pile hammer is arranged for punching, a magnetic bottom plate is in contact with the bottom of an inner cavity of the cave, so that the magnetic bottom plate is subjected to upward extrusion force; the magnetic bottom plate drives the contact sensor to move upwards, when the contact sensor makes contact with the contact plate, the contact sensor generates an electric signal, then the contact sensor generates a contact electric signal, the contact electric signal is transmitted to the controller through the wire, and a screen of the controller is displayed; at the moment, due to the fact that the cavity of the karst cave enables the magnetic bottom plate to lose extrusion force, due to the fact that the electromagnet plays a magnetic repulsion role on the magnetic bottom plate, the magnetic bottom plate drives the contact sensor to be disconnected with the contact plate, the contact sensor generates a disconnection electric signal and transmits the disconnection electric signal to the controller through the wire, the controller displays contact disconnection in real time, and practicability is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch construction device technical field, concretely is a punch pile foundation breakthrough karst cave real -time early warning device. BACKGROUND

[0002] In the process of engineering project construction, the survey of rock and soil foundation engineering plays a vital role, which provides key data for construction and is the prerequisite for ensuring the smooth progress of the project. Therefore, it is of great significance to complete the survey task of geotechnical engineering with high quality. As a concealed geological form, the distribution of karst geology underground brings great challenges to engineering construction, especially the construction of bridge pile foundation. For a long time, karst problem has always been a major factor affecting the quality and safety of bridge pile foundation engineering. With the progress of science and technology, how to effectively explore the engineering geological conditions in karst area; when punch pile foundation construction is carried out, if karst geological environment is encountered, how to detect the punch pile foundation breakthrough karst in real time so as to stop piling construction in time.

[0003] Therefore, a punch pile foundation breakthrough karst real-time early warning device is needed to improve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a punch pile foundation breakthrough karst real-time early warning device to solve the problems in the background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A punch pile foundation breakthrough karst real-time early warning device, comprising a pile driver platform, a pile frame is arranged on one side of the outer wall of the pile driver platform, a pile hammer is arranged on the inner wall of the pile frame, and a warning assembly is arranged at one end of the pile hammer;

[0007] The warning assembly comprises a sleeve and a controller, the sleeve is installed at the port of the pile hammer, an installation groove is formed in the inner wall of the sleeve, an electromagnet is installed on the inner wall of the installation groove, a limiting rod is installed on the outer wall of the electromagnet, a magnetic bottom plate is slidably connected to one end of the limiting rod, magnetic repulsion is generated between the magnetic bottom plate and the electromagnet, a contact sensor is arranged on the base surface of the magnetic bottom plate and in the inner cavity of the installation groove, a contact plate is installed on one side of the contact sensor and on the outer wall of the electromagnet, the magnetic bottom plate is located at the port of the installation groove, the installation groove and the magnetic bottom plate are connected in a sliding manner, a tapered head is installed on one side of the magnetic bottom plate and at the port of the sleeve, and the controller is installed on the outer wall of the pile driver platform.

[0008] As the preferred scheme of the utility model, the controller is connected with the electromagnet and the contact sensor through wires and the connection mode is electric connection, the bottom of the pile driver platform is provided with a chassis, and a winch is installed on the outer wall of the pile driver platform.

[0009] As the preferred scheme of the utility model, a back wheel is installed on the outer wall of the pile driver platform, a steel wire rope is installed on the outer wall of the back wheel, one end of the steel wire rope is connected with the winch, and the other end of the steel wire rope is connected with the pile hammer.

[0010] As the preferred scheme of the utility model, an amplitude changer is installed on the outer wall of the pile driver platform, one end of the amplitude changer is connected with a pile frame through a tilting cylinder, and the limiting rods are arranged in multiple groups and located on the outer wall of the electromagnet.

[0011] As the preferred scheme of the utility model, the magnetic bottom plate is located directly below the electromagnet, and the contact sensor is located directly below the contact plate.

[0012] As the preferred scheme of the utility model, the contact sensor is arranged in multiple groups and located on the outer wall of the magnetic bottom plate, and the contact plate is arranged in multiple groups and located on the outer wall of the electromagnet.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、In the utility model, when the pile hammer is used for punching, the magnetic bottom plate and the bottom of the hole cavity are in contact, so that the magnetic bottom plate is subjected to upward extrusion force, the magnetic bottom plate drives the contact sensor to move upward when the magnetic bottom plate moves upward, the contact sensor generates an electric signal when the contact sensor contacts the contact plate, and the contact electric signal generated by the contact sensor is transmitted to the controller through wires, and the screen of the controller displays, when the hole is punched and the pile foundation is broken through the karst cave, the magnetic bottom plate loses the extrusion force due to the cavity of the karst cave, the magnetic bottom plate drives the contact sensor and the contact plate to be disconnected due to the magnetic repulsion of the electromagnet, the contact sensor generates a disconnection electric signal which is transmitted to the controller through wires, and the controller displays the contact disconnection in real time, so that the construction personnel can judge whether the karst cave is encountered during construction in time, thereby solving the problem that if the karst geological environment is encountered during the construction of the pile foundation, how to detect the pile foundation broken through the karst cave in real time, and stopping the pile driving construction in time. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a side view structure schematic view of the utility model;

[0017] Figure 3 The structure of the early warning assembly is analyzed according to the schematic view.

[0018] Figure 4 The structure of the early warning assembly is analyzed according to the schematic view. Figure 3 The structure of the early warning assembly is analyzed according to the schematic view.

[0019] In the figure: 1, pile driver platform; 2, pile frame; 3, pile hammer; 4, early warning assembly; 401, sleeve; 402, controller; 403, mounting groove; 404, electromagnet; 405, limiting rod; 406, magnetic bottom plate; 407, contact sensor; 408, contact plate; 409, cone head; 5, chassis; 6, winch; 7, back wheel; 8, steel wire rope; 9, luffing device; 10, tilting cylinder. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0021] Embodiment, please refer to Figures 1-4 The present application provides a technical solution:

[0022] A punching pile foundation breakthrough cave real-time early warning device, comprising a pile driver platform 1, a pile frame 2 is arranged on one side of the outer wall of the pile driver platform 1, a pile hammer 3 is arranged on the inner wall of the pile frame 2, and an early warning assembly 4 is arranged at one end of the pile hammer 3.

[0023] In this embodiment, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4, early warning assembly 4 includes sleeve 401 and controller 402, sleeve 401 is installed at the port of pile hammer 3, mounting groove 403 is formed on the inner wall of sleeve 401, electromagnet 404 is installed on the inner wall of mounting groove 403, limiting rod 405 is installed on the outer wall of electromagnet 404, one end of limiting rod 405 is slidably connected with magnetic bottom plate 406, magnetic repulsion is generated between magnetic bottom plate 406 and electromagnet 404, contact sensor 407 is arranged on the base surface of magnetic bottom plate 406 and in the inner cavity of mounting groove 403, one side of contact sensor 407 is connected with contact plate 408 and located on the outer wall of electromagnet 404, and magnetic bottom plate 406 is located at the port of mounting groove 403, the connection between mounting groove 403 and magnetic bottom plate 406 is sliding connection, one side of magnetic bottom plate 406 is connected with taper head 409 and located at the port of sleeve 401, and controller 402 is installed on the outer wall of pile driver platform 1.

[0024] Further, controller 402 is connected with electromagnet 404 and contact sensor 407 through wires and the connection is electrical connection, bottom plate 5 is arranged at the bottom of pile driver platform 1, hoister 6 is installed on the outer wall of pile driver platform 1, back wheel 7 is installed on the outer wall of pile driver platform 1, steel wire rope 8 is installed on the outer wall of back wheel 7, one end of steel wire rope 8 is connected with hoister 6, the other end of steel wire rope 8 is connected with pile hammer 3, amplitude changer 9 is installed on the outer wall of pile driver platform 1, one end of amplitude changer 9 is connected with pile frame 2 through tilting cylinder 10, limiting rod 405 is arranged in multiple groups and located on the outer wall of electromagnet 404, magnetic bottom plate 406 is located directly below electromagnet 404, contact sensor 407 is located directly below contact plate 408, contact sensor 407 is arranged in multiple groups and located on the outer wall of magnetic bottom plate 406, and contact plate 408 is arranged in multiple groups and located on the outer wall of electromagnet 404.

[0025] The utility model discloses a work flow: through using the punching pile foundation break through cave real -time early warning device of scheme design work time, under the action of controller 402 through the wire connection has electromagnet 404 and contact sensor 407 and the connection mode is electrically connected, and then make the device energized, subsequently controller 402 controls electromagnet 404 and contact sensor 407 and run, when the pile machine carries out punching pile foundation construction, the contact sensor 407 on one side and located electromagnet 404's outer wall on install contact plate 408, and magnetic bottom plate 406 is located at the port at installation groove 403, and the connection mode of installation groove 403 and magnetic bottom plate 406 is the action of sliding connection, when pile hammer 3 carries out punching, will make magnetic bottom plate 406 and hole inner cavity bottom contact, and then make magnetic bottom plate 406 receive the extrusion of upward, install electromagnet 404 on the inner wall of installation groove 403, install limiting rod 405 on the outer wall of electromagnet 404, and one end of limiting rod 405 is slidably connected with magnetic bottom plate 406, and magnetic repulsion is generated between magnetic bottom plate 406 and electromagnet 404, and the inner cavity of installation groove 403 is provided with contact sensor 407 on the base surface of magnetic bottom plate 406, when magnetic bottom plate 406 moves up, makes magnetic bottom plate 406 drive contact sensor 407 and move up, when contact sensor 407 and contact plate 408 contact, make contact sensor 407 produce electric signal, and then make contact sensor 407 produce contact electric signal and conduct to controller 402 through wire, the screen of controller 402 displays, when punching, meet the cave, and make punching pile foundation break through cave, at this moment, because the cavity of cave can make magnetic bottom plate 406 lose extrusion, at this moment, because electromagnet 404 plays magnetic repulsion to magnetic bottom plate 406, and then make magnetic bottom plate 406 drive contact sensor 407 and contact plate 408 disconnect, at this moment, contact sensor 407 produces disconnect electric signal and conducts to controller 402 through wire, and controller 402 displays contact disconnect in real time, so that construction personnel judge in time whether meet the cave when construction, so as to solve the problem that if meet the cave geological environment when punching pile foundation construction, how to detect in real time when punching pile foundation break through cave, so as to stop piling construction in time.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A real-time warning device for punching pile foundation breaking into karst cave, comprising a pile driver platform (1), characterized in that: The pile driver platform (1) is provided with a pile frame (2) on one side of the outer wall, and a pile hammer (3) is arranged on the inner wall of the pile frame (2), and one end of the pile hammer (3) is provided with a warning assembly (4); The warning assembly (4) comprises a sleeve (401) and a controller (402), the sleeve (401) is installed at the port of the pile hammer (3), an installation groove (403) is formed in the inner wall of the sleeve (401), an electromagnet (404) is installed in the inner wall of the installation groove (403), a limiting rod (405) is installed on the outer wall of the electromagnet (404), one end of the limiting rod (405) is slidably connected with a magnetic bottom plate (406), the magnetic bottom plate (406) and the electromagnet (404) are magnetically repelled, a contact sensor (407) is arranged on the base surface of the magnetic bottom plate (406) and in the inner cavity of the installation groove (403), one side of the contact sensor (407) is provided with a contact plate (408) on the outer wall of the electromagnet (404), and the magnetic bottom plate (406) is located at the port of the installation groove (403), the connection mode between the installation groove (403) and the magnetic bottom plate (406) is sliding connection, a tapered head (409) is installed on one side of the magnetic bottom plate (406) and at the port of the sleeve (401), and the controller (402) is installed on the outer wall of the pile driver platform (1).

2. The real-time warning device for punching pile foundation breaking into karst cave according to claim 1, characterized in that: The controller (402) is connected with the electromagnet (404) and the contact sensor (407) through wires and is electrically connected, the bottom of the pile driver platform (1) is provided with a bottom plate (5), and a winch (6) is installed on the outer wall of the pile driver platform (1).

3. The real-time warning device for punching pile breaking into karst cave according to claim 2, characterized in that: A back wheel (7) is installed on the outer wall of the pile driver platform (1), a steel wire rope (8) is installed on the outer wall of the back wheel (7), one end of the steel wire rope (8) is connected with the winch (6), and the other end of the steel wire rope (8) is connected with the pile hammer (3).

4. The real-time warning device for punching pile foundation breaking into karst cave according to claim 1, characterized in that: A luffing device (9) is installed on the outer wall of the pile driver platform (1), one end of the luffing device (9) is connected with the pile frame (2) through a tilting cylinder (10), and the limiting rod (405) is provided with a plurality of groups and is arranged on the outer wall of the electromagnet (404).

5. The real-time warning device for punching pile breaking into karst cave according to claim 1, characterized in that: The magnetic bottom plate (406) is located directly below the electromagnet (404), and the contact sensor (407) is located directly below the contact plate (408).

6. The real-time warning device for punching pile breaking into karst cave according to claim 1, characterized in that: The contact sensor (407) is provided with a plurality of groups and is arranged on the outer wall of the magnetic bottom plate (406), and the contact plate (408) is provided with a plurality of groups and is arranged on the outer wall of the electromagnet (404).

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