Multifunctional geotechnical penetration device for engineering detection

Abstract

The utility model relates to the field of road engineering detection, and discloses a multifunctional geotechnical penetration device for engineering detection, which comprises a fixed base, a bearing seat is fixedly connected in the fixed base, an electromagnetic valve is arranged at the bottom of the bearing seat, and a liquid storage tank is detachably connected to the top of the fixed base. A permeable filter plate is fixedly connected into the liquid storage tank, a communicating pipe is fixedly connected to the front face of the liquid storage tank, a liquid level pipe is fixedly connected to the front face of the communicating pipe, a buoyancy assembly is slidably connected into the liquid level pipe, the buoyancy assembly is used for floating on the liquid level, and a magnetic core is arranged in the buoyancy assembly. According to the utility model, by arranging the liquid level pipe, the floater, the signal box and other structures, when the water level rises, water drives the floater to rise, the magnetic core is opposite to the magnetic plate, and the connecting contact and the contact seat are combined, so that the electromagnetic valve closes water inflow and completes detection, and meanwhile, the connecting contact and the contact seat are positioned in the signal box, and are not easy to corrode and damage.

Description

TECHNICAL FIELD

[0001] The utility model relates to road engineering detection field especially, and it is a kind of multifunctional geotechnical permeameter for engineering detection. BACKGROUND

[0002] Geotechnical permeameter is a kind of equipment specially used for measuring soil permeability coefficient, by simulating the permeation condition of soil under different hydraulic gradient, and accurately measuring water flow rate and water head loss, so as to calculate the permeability coefficient of soil.The device has wide application in the field of soil engineering, agricultural science and environmental protection, can evaluate the stability and bearing capacity of soil, study the aeration, water retention and root growth environment of soil, and monitor and evaluate the soil pollution situation.

[0003] When wanting to conveniently detect road engineering, a multifunctional geotechnical permeameter for engineering detection needs to be used.

[0004] The current multifunctional geotechnical permeameter makes the water of different pressure into the sample by using water pump, makes the water through sample, after the water through sample penetrates, enters the liquid storage tank, when water level reaches the specified height, by liquid level and the time to reach the liquid level, the permeability of the sample can be calculated, but in actual use, usually use liquid level sensor to detect liquid level height, sensor is usually arranged in the inside of liquid level agent, conveniently monitor liquid level, lead to sensor in long time use easy because of dampness damage, or produce corrosion to sensor, lead to short service life of sensor, for this, a multifunctional geotechnical permeameter for engineering detection is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a multifunctional geotechnical permeameter for engineering detection, which aims to improve the problem that the sensor is arranged in the tank in the prior art and is easily damaged due to dampness.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: A kind of multifunctional geotechnical permeameter for engineering detection, including fixed base, the fixed base inside fixedly connected with bearing seat, the bearing seat bottom is provided with electromagnetic valve, the fixed base top is detachably connected with liquid storage tank, the liquid storage tank inside fixedly connected with water-permeable filter plate, the liquid storage tank front is fixedly connected with communication pipe, the communication pipe front is fixedly connected with liquid level pipe, the liquid level pipe inside is slidably connected with buoyancy assembly, the buoyancy assembly is used for floating on liquid surface, the buoyancy assembly inside is provided with magnetic core, the liquid level pipe top is provided with adjustment assembly, the signal box front inner wall is elastically connected with magnetic plate by limit spring, the magnetic plate upper and lower sides are all provided with limit slot, the limit slot inside is slidably connected with limit post, the magnetic plate front is provided with connection contact point, the signal box front inner wall is provided with contact point seat.

[0007] As further description of the above technical solution:

[0008] The adjustment assembly includes knob, the knob bottom end is rotatably connected at the top end of liquid level pipe, the knob is screw-threadedly connected with threaded column in the interior, the threaded column bottom end is fixedly connected with baffle, the threaded column front is fixedly connected with connecting plate, the connecting plate bottom end is fixedly connected with connecting column, the connecting column bottom end is fixedly connected at the top end of signal box.

[0009] As further description of the above technical solution:

[0010] The communication pipe is provided with two groups, and two groups The communication pipe is symmetrically arranged on the front of the liquid level pipe.

[0011] As further description of the above technical solution:

[0012] The buoyancy assembly includes float, the float is slidably connected in the interior of liquid level pipe, the float is provided with through groove, and the magnetic core is fixedly connected in the interior of float.

[0013] As further description of the above technical solution:

[0014] One end of the limit spring is fixedly connected on the front inner wall of signal box, the other end of the limit spring is fixedly connected on the front of magnetic plate, and the magnetic plate is slidably connected in the interior of signal box.

[0015] As further description of the above technical solution:

[0016] The limit post is fixedly connected on the inner side of signal box.

[0017] As further description of the above technical solution:

[0018] The connecting contact front surface is in contact with the contact seat back surface, and the contact seat is electrically connected with the electromagnetic valve.

[0019] As a further description of the above technical solution:

[0020] The threaded column periphery penetrates and is connected in sliding mode at the top surface of the liquid level tube.

[0021] As a further description of the above technical solution:

[0022] The horizontal plane where the bottom end of the baffle plate is located is flush with the horizontal plane where the top end of the signal box is located, and the bottom end of the baffle plate is in contact with the top end of the magnetic core.

[0023] The utility model has the following beneficial effects:

[0024] 1、 the utility model discloses a liquid level tube, float, signal box and other structures are set up, when the water level rises, the water drives the float to rise, makes the magnetic core opposite the magnetic plate, makes the connecting contact and the contact seat combine, thereby makes the electromagnetic valve close the water, completes detection, and the connecting contact and the contact seat are located in the signal box interior, and corrosion damage is not easy.

[0025] 2、 the utility model discloses a knob, threaded column and other structures are set up, and the baffle plate box signal box is descended simultaneously by rotating the knob, and the highest rising height of the magnetic core is limited, thereby can conveniently control the liquid level height that needs to be detected, and it is more convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is an overall front view schematic diagram of the multifunctional geotechnical permeation device for engineering detection;

[0027] Figure 2 It is a left side sectional view schematic diagram of the liquid storage tank of the multifunctional geotechnical permeation device for engineering detection;

[0028] Figure 3 It is a right side sectional view schematic diagram of the liquid level tube of the multifunctional geotechnical permeation device for engineering detection;

[0029] Figure 4 It is a top surface sectional view schematic diagram of the signal box of the multifunctional geotechnical permeation device for engineering detection.

[0030] LEGEND:

[0031] 1, fixed base; 2, bearing seat; 3, liquid storage tank; 4, communication pipe; 5, liquid level pipe; 6, float; 7, through groove; 8, magnetic core; 9, knob; 10, threaded column; 11, baffle; 12, connecting plate; 13, connecting column; 14, signal box; 15, limit spring; 16, magnetic plate; 17, limiting groove; 18, limiting column; 19, connecting contact; 20, contact seat; 21, electromagnetic valve; 22, water filter plate. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0033] Referring to Figures 1-3 , the utility model provides an embodiment: a kind of multifunctional geotechnical permeameter for engineering detection, including the fixed base 1 of fixed connection, fixed base 1 inside fixed connection has the bearing seat 2 of sample placement, bearing seat 2 bottom can let water pass, but will not make sample drop, bearing seat 2 bottom is provided with electromagnetic valve 21, and the pressurized water valve of outside is connected to electromagnetic valve 21 bottom, and fixed base 1 top is detachably connected with the liquid storage tank 3 of storing liquid after permeation, and water filter plate 22 is fixedly connected in liquid storage tank 3, and water filter plate 22 prevents sample upward movement, but water can pass through water filter plate 22, and liquid storage tank 3 front is fixedly connected with communication pipe 4, and communication pipe 4 front is fixedly connected with liquid level pipe 5, and communication pipe 4 is provided with two groups, and two groups of communication pipe 4 are symmetrically arranged on the front of liquid level pipe 5, and two groups of communication pipe 4 and liquid level pipe 5 form a communicating vessel, so that the liquid in the inside of liquid level pipe 5 is communicated with the liquid in the inside of liquid storage tank 3, and the liquid level height is same, and liquid level pipe 5 inside is slidably connected with buoyancy assembly, and buoyancy assembly is used for floating on liquid surface, and buoyancy assembly includes float 6, and float 6 has greater buoyancy, can float on water surface, and float 6 periphery is slidably connected in the inside of liquid level pipe 5, and through groove 7 is arranged on the periphery of float 6, and four groups of through grooves 7 are arranged, and are annularly equidistantly distributed on the periphery of float 6, so that water above float 6 can slide to the below of float 6, and magnetic core 8 is arranged in the inside of buoyancy assembly, and magnetic core 8 has strong magnetism, and magnetic core 8 periphery is fixedly connected in the inside of float 6, and moves up and down with float 6, and adjusting assembly is arranged on the top of liquid level pipe 5.

[0034] Referring to Figures 3-4The bottom end of the adjusting assembly is fixedly connected with a signal box 14. The inner wall of the front face of the signal box 14 is elastically connected with a magnetic plate 16 through a limiting spring 15. The magnetic plate 16 has strong magnetism. The back face of the magnetic plate 16 is of the same magnetic pole as the front face of the magnetic core 8. When the magnetic plate 16 is close to the magnetic core 8, the magnetic core 8 will push the magnetic plate 16 forward. One end of the limiting spring 15 is fixedly connected to the inner wall of the front face of the signal box 14. The other end of the limiting spring 15 is fixedly connected to the front face of the magnetic plate 16. When the magnetic plate 16 is not under force, the limiting spring 15 will push the magnetic plate 16 backward. The magnetic plate 16 is slidably connected to the inside of the signal box 14 in the outer periphery. Limiting grooves 17 are formed in the upper and lower sides of the magnetic plate 16. Limiting columns 18 are slidably connected to the inside of the limiting grooves 17. The limiting columns 18 limit the magnetic plate 16 to slide forward and backward along the outer wall of the limiting columns 18. The limiting columns 18 are fixedly connected to the inner side of the signal box 14. Connection contacts 19 are arranged on the front face of the magnetic plate 16. Contact seats 20 are arranged on the inner wall of the front face of the signal box 14. The front face of the connection contacts 19 is in contact with the back face of the contact seats 20. The contact seats 20 are electrically connected with electromagnetic valves 21. When the connection contacts 19 are in contact with the contact seats 20, the contact seats 20 are connected. At this time, the contact seats 20 will transmit signals to the electromagnetic valves 21, so that the electromagnetic valves 21 are opened to pump water into the inside of the bearing seat 2. When the connection contacts 19 are not in contact with the contact seats 20, the electromagnetic valves 21 cannot receive signals from the contact seats 20. The electromagnetic valves 21 are closed to stop pumping water.

[0035] Referring to Figure 3 The adjusting assembly comprises a knob 9. The bottom end of the knob 9 is rotatably connected to the top end of the liquid level pipe 5. A threaded column 10 is threadedly connected to the inside of the knob 9. The knob 9 can drive the threaded column 10 to slide up and down along the inner wall of the knob 9 by rotating. The threaded column 10 is slidably connected to the top face of the liquid level pipe 5 in the outer periphery. A baffle 11 is fixedly connected to the bottom end of the threaded column 10. The horizontal plane where the bottom end of the baffle 11 is located is flush with the horizontal plane where the top end of the signal box 14 is located. The bottom end of the baffle 11 is in contact with the top end of the magnetic core 8. The baffle 11 limits the highest position of the magnetic core 8, so that the magnetic core 8 can only rise to the same height as the signal box 14 at the highest position. A connecting plate 12 for fixed connection is fixedly connected to the front face of the threaded column 10. A connecting column 13 for fixed connection is fixedly connected to the top end of the signal box 14.

[0036] Working principle: when wanting to detect the penetration performance of the sample, the sample is placed on the bearing seat 2, the electromagnetic valve 21 is connected with the pressurized water pump, the liquid storage tank 3 is installed on the fixed base 1, the pressurized water pump is opened, the water pump injects water into the bearing seat 2, the water passes through the sample and then passes through the water permeable filter plate 22 and enters the liquid storage tank 3, the water surface continues to rise, the water enters the liquid level pipe 5 through the connecting pipe 4, the liquid level rises to drive the float 6 to rise, the float 6 drives the magnetic core 8 to rise, when the float 6 drives the magnetic core 8 to the position of the signal box 14, the magnetic core 8 pushes the magnetic plate 16 to the front, the magnetic plate 16 moves forward to make the connecting contact 19 move forward and communicate with the contact seat 20, so that the electromagnetic valve 21 is closed and a signal is transmitted, so that the water level data is conveniently read. When wanting to adjust the detection water level height, the connecting plate 12 is held and the knob 9 is rotated, the knob 9 drives the threaded column 10 to descend, at this time the baffle 11 descends, the height of the magnetic core 8 is controlled to rise, and at the same time the height of the signal box 14 is lowered, so that the liquid surface height to be detected can be conveniently controlled.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A multifunctional geotechnical permeameter for engineering testing, comprising a fixed base (1), characterized in that: The fixed base (1) is internally fixedly connected with a bearing seat (2), the bottom of the bearing seat (2) is provided with a solenoid valve (21), the top of the fixed base (1) is detachably connected with a liquid storage tank (3), the inside of the liquid storage tank (3) is fixedly connected with a water permeable filter plate (22), the front of the liquid storage tank (3) is fixedly connected with a communication pipe (4), the front of the communication pipe (4) is fixedly connected with a liquid level pipe (5), the inside of the liquid level pipe (5) is slidably connected with a buoyancy assembly, the inside of the buoyancy assembly is provided with a magnetic core (8), the top of the liquid level pipe (5) is provided with an adjusting assembly, the bottom end of the adjusting assembly is fixedly connected with a signal box (14), the front inner wall of the signal box (14) is elastically connected with a magnetic plate (16) through a limiting spring (15), the upper and lower sides of the magnetic plate (16) are both provided with limiting grooves (17), the inside of the limiting grooves (17) is slidably connected with limiting columns (18), the front of the magnetic plate (16) is provided with connecting contacts (19), and the front inner wall of the signal box (14) is provided with contact seats (20).

2. The multifunctional geotechnical permeameter for engineering testing according to claim 1, characterized in that: The adjusting assembly comprises a knob (9), the bottom end of the knob (9) is rotatably connected to the top end of the liquid level pipe (5), the inside of the knob (9) is threadedly connected with a threaded column (10), the bottom end of the threaded column (10) is fixedly connected with a baffle (11), the front of the threaded column (10) is fixedly connected with a connecting plate (12), the bottom end of the connecting plate (12) is fixedly connected with a connecting column (13), and the bottom end of the connecting column (13) is fixedly connected to the top end of the signal box (14).

3. The multifunctional geotechnical permeameter for engineering testing according to claim 1, wherein: The communication pipe (4) is provided with two groups, and the two groups of communication pipes (4) are symmetrically arranged on the front of the liquid level pipe (5).

4. The multifunctional geotechnical permeameter for engineering testing according to claim 1, wherein: The buoyancy assembly comprises a float (6), the periphery of the float (6) is slidably connected to the inside of the liquid level pipe (5), the periphery of the float (6) is provided with a through groove (7), and the periphery of the magnetic core (8) is fixedly connected to the inside of the float (6).

5. The multifunctional geotechnical permeameter for engineering testing according to claim 1, wherein: One end of the limiting spring (15) is fixedly connected to the front inner wall of the signal box (14), the other end of the limiting spring (15) is fixedly connected to the front of the magnetic plate (16), and the periphery of the magnetic plate (16) is slidably connected to the inside of the signal box (14).

6. The multifunctional geotechnical permeameter for engineering testing according to claim 1, wherein: The outside of the limiting column (18) is fixedly connected to the inside of the signal box (14).

7. The multifunctional geotechnical permeameter for engineering testing according to claim 1, wherein: The front of the connecting contact (19) is in contact with the back of the contact seat (20), the contact seat (20) is electrically connected with the solenoid valve (21).

8. The multifunctional geotechnical permeameter for engineering testing according to claim 2, wherein: The periphery of the threaded column (10) penetrates and slidably connects the top surface of the liquid level pipe (5).

9. The multifunctional geotechnical permeameter for engineering testing according to claim 2, wherein: The bottom end of the baffle (11) is flush with the top end of the signal box (14), and the bottom end of the baffle (11) is in contact with the top end of the magnetic core (8).

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