Device for measuring depth of pile casing

Abstract

The utility model provides a device for measuring the depth of a pile casing. The device for measuring the depth of the pile casing comprises a steel pile casing body and a depth detection mechanism for measuring the depth of the steel pile casing body. The depth detection mechanism comprises a sleeve, three first sealing rings, a plurality of nylon wheels, three Hall sensors, three N52-level neodymium iron boron strong magnets, a circuit board, a plurality of signal lines, a plastic steel rope with scales and a wire. The upper half section, the middle half section and the lower half section of each sleeve are each provided with a sealing hole, the three sleeves are installed on the three sealing holes respectively, the sleeves are matched with the sealing holes, the multiple nylon wheels are installed on the outer walls of the sleeves, and the three Hall sensors are installed on the three first sealing rings respectively. The device for measuring the depth of the pile casing provided by the utility model has the advantages of simple structure and capability of solving the problems that the number of the pile casings needs to be counted, constructors need to pay attention at any time on site and measurement image data are not easy to retain in the traditional measurement of the depth of the pile casing.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of casing depth measurement technology, especially relates to a device for measuring casing depth. BACKGROUND

[0002] In the karst treatment process, the soil (sand) layer needs to be protected by a steel casing to prevent the soil (sand) layer from collapsing, and the casing needs to extend into the rock surface. If the casing does not extend to the rock surface, it is easy to cause the soil (sand) layer at the rock surface to flow into the cave, forming a void, and further causing ground subsidence. Through surveying, the elevation of the cave can be determined. During construction, it is necessary to ensure that the casing length is sufficient to extend into the cave. By the ground elevation, the cave elevation, and the casing length, it can be determined whether the casing extends into the cave. Therefore, it is necessary to measure the casing depth.

[0003] The traditional method for measuring the depth of the casing is to count the number of casings, which requires the construction personnel to pay attention at all times on site, and it is not easy to store measurement image data. To increase the certainty of determining that the casing has extended into the cave, it is necessary to invent a new device for measuring the depth of the casing to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model solves the technical problem of providing a device for measuring the depth of a casing with a simple structure, which can solve the problem of traditional casing depth measurement, which requires counting the number of casings, requires the construction personnel to pay attention at all times on site, and is not easy to store measurement image data.

[0005] To solve the above technical problems, the device for measuring the depth of the casing provided by the utility model comprises a steel casing body and a depth detection mechanism for measuring the steel casing body. The depth detection mechanism comprises a sleeve, three sealing rings, a plurality of nylon wheels, three Hall sensors, three N52 grade neodymium iron boron strong magnets, a circuit board, a plurality of signal lines, a plastic steel rope with a scale, and a lead.

[0006] The upper half, middle half, and lower half of the sleeve are provided with sealing holes. Three sleeves are installed in the three sealing holes. The sleeve is matched with the sealing hole. The plurality of nylon wheels are installed on the outer wall of the sleeve. The three Hall sensors are installed on the three sealing rings. The detection end of the Hall sensor faces the inner wall of the steel casing body.

[0007] The three N52 grade neodymium iron boron strong magnets are installed on the upper half, middle half, and lower half of the sleeve through epoxy resin glue. The three N52 grade neodymium iron boron strong magnets are one-to-one corresponding to the three Hall sensors. The N52 grade neodymium iron boron strong magnet is located behind the Hall sensor. The distance between the N52 grade neodymium iron boron strong magnet and the Hall sensor is 2mm.

[0008] The circuit board is arranged in the sleeve, three Hall sensors are connected with the circuit board through a plurality of signal lines respectively, the bottom end of the scale plastic steel rope is connected with the top of the sleeve, and the bottom end of the wire extends into the sleeve and is connected with the circuit board.

[0009] As a further scheme of the utility model, the scale plastic steel rope and the wire are connected and fixed through a plurality of elastic clamping rings, and the elastic clamping rings are matched with the scale plastic steel rope and the wire.

[0010] As a further scheme of the utility model, the depth detection mechanism further comprises a mounting assembly, the mounting assembly comprises two screw rods, two limiting rings one, two gaskets and two nuts, and the two screw rods are symmetrically mounted in the sleeve.

[0011] As a further scheme of the utility model, the two limiting rings one are fixedly sleeved on the two screw rods respectively, one end of the two screw rods penetrates through the circuit board and is slidably connected with the circuit board, and the front outer wall of the limiting ring one is in contact with the rear outer wall of the circuit board.

[0012] As a further scheme of the utility model, the two gaskets are slidably sleeved on the two screw rods respectively, the rear outer wall of the gasket is in contact with the front outer wall of the circuit board, the two nuts are threadedly installed on the two screw rods respectively, and the circuit board and the gasket are connected and fixed through the nuts and the screw rods.

[0013] As a further scheme of the utility model, the depth detection mechanism further comprises a sealing ring two and a limiting ring two, the sealing ring two is installed at the top of the sleeve, the limiting ring two is installed at the bottom end of the sealing ring two, the top of the limiting ring two is in contact with the inner wall of the top of the sleeve, the sealing ring two and the limiting ring two are communicated, and the sealing ring two and the limiting ring two are matched with the wire.

[0014] As a further scheme of the utility model, the sleeve is composed of a lower cylinder, a sealing ring one, a cylinder cover and a sealing ring two, a through groove one is formed in the top of the lower cylinder, the sealing ring one is sleeved on the lower cylinder, the sealing ring one is matched with the through groove one, a through groove two is formed in the bottom of the cylinder cover, the sealing ring two is sleeved on the sealing ring two, the sealing ring two is matched with the through groove two, and the lower cylinder and the cylinder cover are threadedly connected.

[0015] Compared with the related art, the device for measuring the depth of the protector cylinder has the following beneficial effects:

[0016] 1. The utility model has simple structure and can solve the problems that the traditional measurement of the depth of the protector cylinder needs to count the number of the protector cylinder, needs the construction personnel to pay attention to the site at all times and is not easy to store the measurement image data. BRIEF DESCRIPTION OF DRAWINGS

[0017] For the convenience of those skilled in the art to understand, the utility model is further explained below in combination with the drawings.

[0018] Figure 1 It is the front view structure schematic diagram of the utility model;

[0019] Figure 2 It is Figure 1 It is the enlarged structure schematic diagram of A part in the middle;

[0020] Figure 3 It is the three-dimensional structure schematic diagram of the utility model;

[0021] Figure 4 It is Figure 3 It is the enlarged structure schematic diagram of B part in the middle;

[0022] Figure 5 It is the structure schematic diagram of part depth detection mechanism of the utility model;

[0023] Figure 6 It is the schematic diagram of elastic snap ring in the utility model.

[0024] In the drawing: 1, steel casing body;2, sleeve;3, sealing ring one;4, nylon wheel;5, hall sensor;6, N52 grade neodymium iron boron strong magnet;7, circuit board;8, signal line;9, plastic steel rope with scale;10, wire;11, elastic snap ring;12, screw;13, limit ring one;14, grommet;15, nut;16, sealing ring two;17, limit ring two;21, lower cylinder;22, sealing ring one;23, cylinder cover;24, sealing ring two. Specific implementation

[0025] Please combine with Figures 1 to 6 Among them, Figure 1 It is the front view structure schematic diagram of the utility model; Figure 2 It is Figure 1 It is the enlarged structure schematic diagram of A part in the middle; Figure 3 It is the three-dimensional structure schematic diagram of the utility model; Figure 4 It is Figure 3 It is the enlarged structure schematic diagram of B part in the middle; Figure 5 It is the structure schematic diagram of part depth detection mechanism of the utility model; Figure 6 It is the schematic diagram of elastic snap ring in the utility model. The device for measuring the depth of the casing comprises a steel casing body 1 and a depth detection mechanism for measuring the depth of the steel casing body 1, the depth detection mechanism comprises a sleeve 2, three sealing rings one 3, multiple nylon wheels 4, three hall sensors 5, three N52 grade neodymium iron boron strong magnets 6, a circuit board 7, multiple signal lines 8, a plastic steel rope with scale 9 and a wire 10;

[0026] The upper half, the middle half and the lower half of the sleeve 2 are provided with sealing holes, three sleeves 2 are respectively installed on the three sealing holes, the sleeve 2 is matched with the sealing hole, a plurality of nylon wheels 4 are installed on the outer wall of the sleeve 2, three Hall sensors 5 are respectively installed on the three sealing rings 1, and the detection end of the Hall sensor 5 faces the inner wall of the steel casing body 1.

[0027] Three N52 grade neodymium-iron-boron strong magnets 6 are respectively installed on the upper half, the middle half and the lower half of the sleeve 2 through epoxy resin glue, the three N52 grade neodymium-iron-boron strong magnets 6 are respectively corresponding to the three Hall sensors 5, the N52 grade neodymium-iron-boron strong magnet 6 is located behind the Hall sensor 5, and the distance between the N52 grade neodymium-iron-boron strong magnet 6 and the Hall sensor 5 is 2mm.

[0028] The circuit board 7 is arranged in the sleeve 2, the three Hall sensors 5 are connected with the circuit board 7 through a plurality of signal lines 8, the bottom end of the scale plastic steel rope 9 is connected with the top of the sleeve 2, and the bottom end of the wire 10 extends into the sleeve 2 and is connected with the circuit board 7.

[0029] The scale plastic steel rope 9 and the wire 10 are connected and fixed through a plurality of elastic clamping rings 11, the elastic clamping ring 11 is matched with the scale plastic steel rope 9 and the wire 10.

[0030] The depth detection mechanism further comprises an installation assembly, the installation assembly comprises two screw rods 12, two limiting rings 13, two grommets 14 and two nuts 15, and the two screw rods 12 are symmetrically installed in the sleeve 2.

[0031] The two limiting rings 13 are respectively fixedly sleeved on the two screw rods 12, one end of the two screw rods 12 penetrates through the circuit board 7 and is slidably connected with the circuit board 7, and the front side outer wall of the limiting ring 13 is in contact with the rear side outer wall of the circuit board 7.

[0032] The two grommets 14 are respectively slidably sleeved on the two screw rods 12, the rear side outer wall of the grommet 14 is in contact with the front side outer wall of the circuit board 7, the two nuts 15 are respectively threadedly installed on the two screw rods 12, and the circuit board 7 and the grommet 14 are connected and fixed through the nut 15 and the screw rod 12.

[0033] The depth detection mechanism further comprises a sealing ring 16 and a limiting ring 17, the sealing ring 16 is installed at the top of the sleeve 2, the limiting ring 17 is installed at the bottom end of the sealing ring 16, the top of the limiting ring 17 is in contact with the inner wall of the top of the sleeve 2, the sealing ring 16 and the limiting ring 17 are communicated, and the sealing ring 16 and the limiting ring 17 are matched with the wire 10.

[0034] The sleeve 2 is composed of a lower cylinder 21, a sealing ring one 22, a cylinder cover 23 and a sealing ring two 24, the top of the lower cylinder 21 is provided with a through slot one, the sealing ring one 22 is sleeved on the lower cylinder 21, the sealing ring one 22 is matched with the through slot one, the bottom of the cylinder cover 23 is provided with a through slot two, the sealing ring two 24 is sleeved on the sealing ring two 24, the sealing ring two 24 is matched with the through slot two, and the lower cylinder 21 and the cylinder cover 23 are threadedly connected.

[0035] The working principle of the device for measuring the depth of the casing is as follows:

[0036] The first step: when in use, the device is gradually placed into the steel casing body 1 under the action of the scale plastic steel rope 9 and the lead 10, because the steel casing body 1 is a magnetic material itself, the magnetic field distribution around can be changed when it is close, and the Hall sensor 5 can detect the change of the magnetic field and then output different signals, whether the device is on the surface of the steel casing body 1 can be judged through the circuit, the device main body is controlled to descend along the surface of the steel casing body 1, when the Hall sensor 5 of the upper half is separated from the steel casing body 1, the "steel casing separation signal" is generated and conducted to the external signal receiver to produce a bee sound, reminding the measurer, after receiving the signal, the measurer reads the scale plastic steel rope 9 and measures the depth of the steel casing, if the inclination angle of the steel casing is too large and the device cannot be adsorbed on the steel casing body 1, N52 grade magnets (the single block attraction is about 10kg) can be installed on the four corners of the main device by using epoxy glue to ensure the balance of the device.

[0037] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the technical principle of the design, and under the premise that the technical personnel in the field understand the principle of the above-mentioned utility model, the specific of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the technical personnel in the field;

[0038] The standard parts used can be purchased from the market, and can be customized according to the description and drawings, the specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the components known by the technical personnel in the field, the structure and principle thereof can be known by the technical personnel through the technical manual or through the conventional experimental method.

[0039] 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 variations or direct or indirect application can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents, and the same is true for the patent protection scope of the utility model.

Claims

1. A device for measuring the depth of a conductor pipe, characterized in that The utility model relates to a kind of steel casing body and depth detection mechanism for measuring steel casing body, the depth detection mechanism includes sleeve, three sealing rings one, multiple nylon wheels, three hall sensors, three N52 grade neodymium iron boron strong magnets, circuit board, multiple signal lines, plastic rope with scale and lead wire; The upper half, middle half and lower half of the sleeve are provided with sealing holes, three sleeves are respectively installed on the three sealing holes, the sleeve (2) is matched with the sealing hole, multiple nylon wheels are installed on the outer wall of the sleeve, three hall sensors are respectively installed on three sealing rings one, and the detection end of the hall sensor faces the inner wall of the steel casing body; Three N52 grade neodymium iron boron strong magnets are respectively installed on the upper half, middle half and lower half of the sleeve by epoxy resin glue, and the three N52 grade neodymium iron boron strong magnets correspond to the three hall sensors one by one, the N52 grade neodymium iron boron strong magnet is located behind the hall sensor, and the distance between the N52 grade neodymium iron boron strong magnet and the hall sensor is 2 mm. The circuit board is arranged in the sleeve, the three hall sensors are connected to the circuit board through multiple signal lines, the bottom end of the plastic rope with scale is connected to the top of the sleeve, and the bottom end of the lead wire extends into the sleeve and is connected to the circuit board. The plastic rope with scale and the lead wire are connected and fixed by multiple elastic clamps, and the elastic clamps are matched with the plastic rope with scale and the lead wire.

2. The device for measuring the depth of a casing collar according to claim 1, characterized in that: The depth detection mechanism further comprises a mounting assembly, and the mounting assembly comprises two screw rods, two limiting rings one, two grommets and two nuts.

3. The device for measuring the depth of a casing collar according to claim 1, characterized in that: Two limiting rings one are respectively fixedly sleeved on the two screw rods, one end of the two screw rods penetrates through the circuit board and is slidably connected to the circuit board, and the front outer wall of the limiting ring one is in contact with the rear outer wall of the circuit board.

4. The device for measuring the depth of a casing collar according to claim 3, characterized in that: Two grommets are respectively slidably sleeved on the two screw rods, the rear outer wall of the grommet is in contact with the front outer wall of the circuit board, two nuts are respectively threadedly installed on the two screw rods, and the circuit board and the grommet are connected and fixed by the nut and the screw rod.

5. The device for measuring the depth of a casing collar according to claim 3, characterized in that: The depth detection mechanism further comprises a sealing ring two and a limiting ring two, the sealing ring two is installed on the top of the sleeve, the limiting ring two is installed on the bottom end of the sealing ring two, the top of the limiting ring two is in contact with the inner wall of the top of the sleeve, the sealing ring two and the limiting ring two are communicated, and the sealing ring two and the limiting ring two are matched with the lead wire.

6. The device for measuring the depth of a casing collar according to claim 1, characterized in that: The sleeve is composed of a lower cylinder, a sealing ring one, a cylinder cover and a sealing ring two, a through groove one is formed in the top of the lower cylinder, the sealing ring one is sleeved on the lower cylinder, the sealing ring one is matched with the through groove one, a through groove two is formed in the bottom of the cylinder cover, the sealing ring two is sleeved on the sealing ring two, the sealing ring two is matched with the through groove two, and the lower cylinder and the cylinder cover are threadedly connected.

7. The device for measuring the depth of a casing collar according to claim 1, characterized in that: ​

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