KR100416892B1 - Pile driver apparatus for geological survey - Google Patents

Abstract

The present invention is a geological measurement device for measuring the lipid before the construction of the building on the land, by using the sensor to detect the hammer falling and the rising time of the hammer, it is possible to perform the operation quickly The purpose of the present invention is to provide a geological measurement apparatus.

According to the present invention, the probe portion 10 for fixing the probe hole 12 embedded in the ground, and the hammer 20 for impacting the probe portion 10 while moving up and down in the upper portion of the probe portion 10 And a hammer holder 41 fastened to the upper end of the hammer 20, and the hammer 20 fastened to the hammer holder 41 is moved upward and disassembled in a state of being moved upward. In the driving device including a fastening portion 30 for freely falling, and a driving portion 76 connected to the upper end of the fastening portion 30 to move the fastening portion 30 in the vertical direction, installed in the fastening portion 30. The sensor 60 detects when the fastening part 30 and the hammer 20 are fastened and disassembled, and a length that can be grounded with the sensor 60 between the fastening part 30 and the hammer 20. There is provided a steering apparatus including a switching unit 50 provided with a bar 52 having a.

Description

Pilot driver apparatus for geological survey

The present invention relates to a rudder device for measuring the characteristics of the lipid while embedding the probe in the lipid to measure the lipid, in particular, a geological measurement that can be carried out by continuous hammer operation by detecting and falling when the hammer is raised to a certain height It relates to a driving device for.

In general, the geology of the land where the large building will be located is measured to prevent ground subsidence of the large building prior to the construction of the large building. These geological measurements are defined by international standards, which allow 63.5 kg of hammers to fall freely at a height of 75 cm and land the probe on the ground under the impact of a hammer.

This helming operation is carried out using a helming device. The helming device is largely a cab, a probe part located on the ground surface, a hammer hitting the probe part and a hammer inserted into the probe part clamped in the probe part, and the hammer is upper part. It includes a driving unit to lift in the direction, in the driver's cab controls a process by which the steering operation is performed by operating a plurality of levers.

Looking at the operation relationship of such a driving device, the probe is clamped on the ground surface of the probe, the hammer is placed on the probe and then the wire rope is fastened to the top of the hammer. Then, the hydraulic winch located at the top of the hammer is rotated to pull the hammer upward from the probe to 75 cm. Then, the hydraulic pressure of the hydraulic winch is controlled so that the hammer free falls. Then, the hammer hits the probe, and the probe fixed to the probe by this impact is embedded in the ground.

This process is carried out continuously and the probe is driven from the surface to 1.5m. At this time, the number of strokes in 45cm units is measured to measure the characteristics of lipids. For example, if a rock is present on the land, the number of strokes will increase; if the geology is weak, the number of strokes will decrease. Thus, after measuring the geological characteristics, it is determined whether it is safe even if a large building is constructed on the ground.

However, in the process of operating such a steering device, the driver controls the operation of each step by operating the lever of the cab. Therefore, when the step is continuously performed for a long time, the fatigue of the driver is increased, there is a disadvantage that the risk of a safety accident may occur.

The present invention is provided to solve the problems of the prior art as described above, using a sensor to detect the hammer fall and rise time of the hammer using a geological measurement apparatus designed to repeatedly perform the helm operation The purpose is to provide.

1 is a perspective view of a rudder measuring device according to an embodiment of the present invention,

FIG. 2 is an exploded perspective view of the lipid measuring apparatus shown in FIG. 1;

Figure 3 is a schematic diagram illustrating the operation relationship of the geological measurement device shown in Figure 1. Figure 4 is a simplified view showing the interference state of the locking step and the limit switch of the ground rod according to the operation of the navigation device according to the present invention.

♠ Explanation of symbols on the main parts of the drawing ♠

10: probe 14: grip

20: hammer 30: fastening portion

40: hammer fastening portion 42: roller

50: switching unit 60: limit switch

70 housing 76 hydraulic winch

According to the present invention for achieving the object as described above, a probe for fixing the probe to be embedded in the ground, a hammer that is located on the top of the probe and moving in the vertical direction and the impact on the probe, the hammer A hammer holder fastened to an upper end of the fastener and disassembled in a state in which the hammer fastened to the hammer holder is moved upward and disassembled in a state of moving upward, and connected to an upper end of the fastening part to the fastening part A driving apparatus including a driving unit for moving a part in an up and down direction, the driving unit is installed in the coupling unit and detects when the coupling unit and the hammer are engaged and disassembled, and between the coupling unit and the hammer. It includes a switching unit is provided with a bar having a length that can be grounded with the sensor, the sensor is The fastening part is seated on the upper part of the hammer and senses that the fastening part and the hammer are fastened by the ground of the bar while the fastening part moves downward, and when the hammer is disassembled by moving upwards along the fastening part, the switching is performed. There is provided a steering apparatus for detecting that the fastening part and the hammer are disassembled while the sensor and the bar fall while the free fall.

The sensor of the present invention is also a limit switch or an optical limit switch.

In addition, a sound absorbing material having an inner diameter into which the hammer can be inserted is installed around the probe part of the present invention.

In addition, the circumference of the hammer and the circumference of the fastening portion of the present invention is connected as a rope having a length of at least the vertical stroke length of the hammer.

In addition, the noise measuring unit for measuring the noise hit the hammer and the probe is installed around the probe of the present invention to measure the number of times of noise generation.

In the following, with reference to the accompanying drawings a preferred embodiment of the lipid measuring device according to the present invention will be described in detail.

In the drawings, Figure 1 is a perspective view of a geological measurement device according to an embodiment of the present invention, Figure 2 is an exploded perspective view of the geological measurement device shown in Figure 1, Figure 3 is a lipid shown in Figure 1 This is a schematic diagram explaining the operation relationship of the measuring gear.

As shown in Figure 1 and Figure 2, the sound absorbing material 16 is formed on the ground surface and surrounded by a well-shaped sound-absorbing material 16 and the guide rod 18 is formed in the upper direction, and such a probe 10 Cylindrical hammer 20 surrounding the circumference of the guide rod 18, and positioned above the hammer 20 is fastened or dismantled with the hammer 20 along the guide rod 18 of the probe 10 It includes a fastening portion 30 moving in the vertical direction, and a housing 70 surrounding the circumference of the fastening portion 30.

The probe 10 has a grip 14 fixed to the lower end of the guide rod 18, and the hammer 20 strikes the upper surface of the grip 14. The lower end of the grip 14, the probe 12 is clamped, the impact of the impact of the hammer 20 is transmitted to the probe 12, the probe 12 is driven into the ground. The upper end of the guide rod 18 of the probe 10 is formed with a tapered portion 19 tapered in the direction of the center axis of the guide rod 18. In addition, a sound absorbing material 16 in the form of a well is installed around the upper surface of the grip 14 to absorb noise generated when the hammer 20 and the grip 14 collide with each other.

In addition, a cylindrical hammer 20 is positioned around the guide rod 18 of the probe unit 10, and the hammer 20 falls freely at an upper portion of 75 cm from the upper surface of the grip 14 to strike the grip 14. do. An annular jaw is formed around the inner top of the hammer 20.

On the other hand, the fastening portion 30 has an inner diameter larger than the diameter of the guide rod 18 and the guide pipe 32 is fastened to the eye bolt (eye bolt) 72 at the top, and the middle portion of such a guide pipe 32 The limit switch 60 installed in the upper part of the lower end of the limit switch 60 and the guide pipe 32, the hammer fastening portion 40 and the bushing (Bushing) and the like shape corresponding to the annular jaw of the bushing The ground rod 52 parallel to the guide pipe 32 is fixed from the upper surface of the site portion includes a switching unit 50 is fixed, the locking jaw 54 is formed on the upper end of the ground rod (52).

Here, the hammer fastening portion 40 is fixed along the circumference of the guide pipe 32, the ground rod 52 penetrates, and a plurality of through-holes through which the bolt penetrates are formed along the circumference, and the circular plate 34 The upper and lower surfaces of the guide pipe 32 are positioned between the four support plates 36 fixed symmetrically along the longitudinal direction of the guide pipe 32 and the two support plates 36 fixed to the upper surface of the circular plate 34. 32 and two support plates 36 positioned between two ribs 38 fixed around the guide pipe 32 and two support plates 36 fixed to the lower surface of the circular plate 34. Two hammer holders 41 pivoting around the hinge shaft 44 connecting the two shafts, and springs connecting the two ribs 38 and the two hammer holders 41 through the circular plate 34. 48), the switching unit 50 moves up and down along the guide pipe 32 The grounding rod 52 of the ring portion 50 converts the limit switch 60 into on mode while the interference with the limit switch 60 occurs, and the grounding rod 52 moves downward to prevent interference. If not, the limit switch 60 switches to the off mode.

The hinge shaft 44 penetrates the middle portion of the hammer holder 41, and a roller 42 is rotatably installed at the lower end of the hammer holder 41. Accordingly, the two rollers 42 pivot about the hinge axis 44 in a direction near or away from each other with respect to the center axis of the guide pipe 32, and the upper ends of the two hammer holders 41 are connected to the ribs 28. The connected spring 48 receives the elastic restoring force of the spring 48 to move in the direction in which the lower end of the hammer holder 41, that is, the two rollers 42 are close to each other. In addition, the upper end of the hammer holder 41 is formed with a groove 46 in which the internal angle of the 'V' shape is formed at right angles. The annular jaw 22 of the hammer 20 is matched with the groove 46 to the fastening portion. 30 and the hammer 20 are fastened, and while the roller 42 is installed at the lower end of the hammer holder 41 in the fastened state to rotate in a direction facing each other from the grooves 46 of the hammer holder 41 from the hammer ( The annular jaw 22 of 20 is separated so that the hammer 20 and the fastening part 30 are disassembled.

On the other hand, the housing 70 has an inner diameter of the lower end is the same as the diameter of the circular plate 34 of the fastening portion 30, the upper end is formed with a through hole through which the guide pipe 32 can pass. A plurality of fastening plates are formed at the lower end of the inner surface of the housing 70, and female fastening holes are formed in the fastening plates, and bolts passing through the through holes of the circular plate 34 are fastened to the female screw holes. Thus, the housing 70 is fastened to the circular plate 34 to receive the limit switch 60.

The wire bolt 74 wound around the hydraulic winch 76 is connected to the eye bolt 72 fastened to the upper end of the guide pipe 32, and the hydraulic control of the hydraulic winch 76 is performed by the limit switch 60. Controlled by operation.

It will be described in detail the operation of the geological measurement device configured as described above.

In Figure 3 (a) is a cross-sectional view showing a state in which the fastening portion is fastened with the hammer by moving in the lower direction, (b) is a fastening portion of the hammer holder and the hammer in the state in which the fastening portion and the hammer is fastened (C) is a detailed view showing the state of the step of dismantling the hammer from the groove of the hammer holder, (d) is a step in which the hammer falls freely and impacts the grip. However, the structure in which the locking step of the ground rod shown in FIG. 3 interferes with the limit switch is schematically represented, but the position between the limit switch and the locking step is shifted from each other, but this is the ground rod having the limit switch and the locking step. It is difficult to properly express the contact state between the interference between them or the ground state is clearly expressed in FIG.

As shown in (a) to (d) of FIG. 3, the hammer 20 is wrapped around the guide rod 18 of the probe 10 with the probe 10 positioned on the ground. Insert 20). The guide rod 18 is then inserted into the guide pipe 32 of the fastening portion 30. At this time, the roller 42 of the hammer holder 41 is located along the tapered portion 19 of the guide rod 18 while being positioned at the top of the guide rod 18, and in this state, the fastening portion 30 is lowered. In the direction of movement, the two rollers 42 move downward along the guide rod 18 in a state of being opened by the outer diameter of the guide rod 18. This fastening part 30 is moved by the operation of the hydraulic winch 76 winding the wire rope 74 fastened to the eye bolt 72.

On the other hand, while the two hammer holder 41 passes through the annular jaw 22 of the hammer 20, the upper end of the hammer holder 41 is caught by the annular jaw 22 of the hammer 20, in this state the fastening portion ( As the 30 is further moved downward, the two rollers 42 are extended beyond the diameter of the guide rod 18 so that the two hammer holders 41 completely pass through the annular jaw 22. As such, when the hammer holder 41 completely passes through the annular jaw 22, the roller 42, which is caught by the annular jaw 22 and opened in the opposite directions for a while, is again guided by the elastic restoring force of the spring 48. While contacting the outer surface of (18), the groove 46 formed on the upper end of the hammer holder 41 is located in the 'b' shape, as shown in (a) of FIG.

On the other hand, in the process of moving the fastening portion 30 in the downward direction, the switching unit 50 surrounding the guide rod 18 is in contact with the upper surface of the hammer 20, in this state the fastening portion 30 in the downward direction As the ground rod 52 is moved upward relative to the fastening part 30, the ground rod 52 is grounded with the limit switch 60 to convert the limit switch 60 into an on-mode state. The electrical signal generated by the limit switch 60 is input to the control unit (not shown in the drawing), and the control unit receives the signal of the limit switch 60 and rotates the hydraulic winch 76 to wind the wire rope 74. As described above, when the fastening portion 30 moves upward in the state where the groove 46 of the hammer holder 41 is positioned in a 'b' shape, the hammer is inserted into the groove 46 of the hammer holder 41. The annular jaw 22 of the 20 is caught. At this time, even if the hammer 20 is lifted up, the roller 42 is supported by the guide rod 18, so that the hammer 20 does not fall and the fastening portion 30 is held. Will move upward.

As such, when the fastening part 30 and the hammer 20 are raised, the roller 42 installed in the hammer holder 41 also rises while rotating along the guide rod 18 and the guide rod 18. ), The roller 42 moves along the tapered portion 19 of the upper end of the guide rod 18 while narrowing the gap between the two rollers 42, thereby reducing the groove of the hammer holder 41. 46 is pivoted downwardly (FIG. 3C), and the hammer annular jaw 22 caught in the groove 46 is separated from the groove 46 by the weight of the hammer 20 and moves downward. Free fall and hit the upper surface of the grip (14).

As shown in FIG. 3 (d), when the hammer 20 supporting the switching unit 50 falls freely, the switching unit 50 also falls downward along the guide rod 18, while the ground rod 52 falls. ) Switches the limit switch 60 to the off mode. Then, the locking jaw 54 of the falling switching unit 50 is caught by the circular plate 34 of the fastening unit 30, and the switching unit 50 does not fall to the upper portion of the hammer 20. It is hung on the circular plate 34. However, since the ground rod is shown in front, the shape of the locking jaw is not shown in detail.

As such, when the limit switch 60 is turned off, the hydraulic winch 76 rotates to release the wire rope 74 by this signal, and thus the fastening part 30 follows the guide rod 18. Move downward.

As described above, while the fastening part 30 moves downward along the guide rod 18, the hammer holder 41 and the hammer 20 are engaged again, and the limit switch 60 is connected to the ground rod of the switching part 50. Interfering with the 52, it is converted back to the on-mode to rotate the hydraulic winch 76 so that the fastening portion 30 and the hammer 20 rises together. Figure 4 is a ground rod according to the operation of the helm device according to the present invention It is a simplified diagram showing the interference state of the locking step and the limit switch. As shown in (a), as the fastening part 30 moves downward, as the switching part 50 comes into contact with the upper surface of the hammer 20, the locking step 54 of the tip of the ground rod 52 is the limit switch. 60 and the grounded state (on mode), and (b) shows that the hammer 20 which is in contact with the switching part and supports the switching part falls freely, so that the switching part also falls freely and is grounded to the limit switch. It is a view showing a state in which the jaw is separated from the limit switch and is caught in the circular plate 34 of the fastening part and is in an off mode. However, in FIG. 4B, the switching part is separated from the guide pipe 32 and is suspended in the air. Although actually, it can be seated on the top of the guide rod located at the bottom of the switching unit, the bottom of the switching unit is an open structure.

As described above, the hammer 20 and the fastening portion 30 are repeatedly repeated as follows by the signal of the limit switch 60. The lowering stage of the fastening part, the on-mode conversion of the limit switch, the fastening part of the fastening part, the fastening of the annular jaw of the hammer holder and the hammer, and the roller holder passing through the taper of the guide rod as the fastening part is lifted, the hammer holder and the annular jaw of the hammer are dismantled. Repeated steps, free fall of the hammer, free fall of the switching unit, off mode conversion step of the limit switch, the falling step of the fastening unit is repeated.

In addition, the safety rope 78 is connected to the circumference of the housing 70 and the circumference of the hammer 20 so that when the hammer 20 is disassembled and dropped from the fastening portion 30, the fastening portion 30 and the housing are separated. The 70 is prevented from being separated to another place, and a noise sensing device is installed around the grip 14 to sense the number of hammer hits per hour.

In addition, by using an optical sensor in place of the limit switch 60 of the above-described lipid measuring device of the present invention, it is possible to detect the falling time of the hammer and the rising point of the hammer.

As described in detail above, the geological measurement apparatus of the present invention uses the limit switch to detect the falling point of the hammer and the rising point of the hammer, and then repeatedly performs the driving operation as a signal detected by the limit switch to drive the labor of the driver. There is an advantage that can be reduced.

In the above description, the technical idea of the rudder measurement device of the present invention has been described together with the accompanying drawings, but this is only illustrative of the best embodiments of the present invention and is not intended to limit the present invention. In addition, it is obvious that any person skilled in the art can make various modifications and imitations without departing from the scope of the technical idea of the present invention.

Claims (6)

A probe portion fixing a probe to be driven into the ground, a hammer positioned on an upper portion of the probe portion and moving upward and downward to impart the impact to the probe portion, and a hammer holder fastened to an upper end portion of the hammer; In the helm device comprising a fastening part for moving the fastened hammer upward and disassembled in the state moved to the top to freely drop the hammer, and a driving part connected to the upper end of the fastening part to move the fastening part in the vertical direction , A sensor installed in the fastening part and detecting a time when the fastening part and the hammer are fastened and dismantled; Between the fastening portion and the hammer includes a switching unit provided with a bar having a length that can be grounded with the sensor, The sensor detects that the fastening part and the hammer are fastened by grounding to one side of the bar while the switching part is seated on the upper part of the hammer, and when the hammer is disassembled by moving upwards along the fastening part. And the sensor and the bar are separated from each other while the switching unit falls freely to detect that the fastening unit and the hammer are disassembled. The method of claim 1, The sensor is a drive device, characterized in that the limit switch. The method of claim 1, And the sensor is an optical limit switch. The method according to any one of claims 1 to 3, Steering device, characterized in that the sound absorbing material having an inner diameter in which the hammer can be inserted is additionally installed around the probe. The method of claim 4, wherein The circumference of the hammer and the circumference of the fastening portion is driven, characterized in that connected to the rope having a length of more than the vertical stroke length of the hammer. The method according to any one of claims 1 to 3, A noise measuring unit for measuring noise hitting the hammer and the probe unit is installed around the probe unit to measure the number of times of noise generation per hour.