JP2017053774A - Buried object survey device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a buried object survey device allowing appropriate survey using an operation rod.SOLUTION: The buried object survey device includes: a device main body 2 that surveys a buried object in a medium by radiating a radar wave from a transmission antenna to the medium, receiving a reflected wave from the medium with a receiving antenna, and performing analysis processing; wheels 31 and 32 disposed before and after the device main body 2; an operation rod 4 that is a long body and whose one end is connected to the device main body 2; and angle regulating means 5 for regulating the device main body 2 so that the device main body 2 can swing longitudinally with respect to the operation rod 4 and does not swing by a predetermined angle or more.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an embedded object exploration apparatus that explores an embedded object using a radar, and more particularly to an embedded object exploration apparatus that can be appropriately explored using an operating rod.

  A buried object exploration device using a radar is known for exploring buried objects and targets such as reinforcing bars and gas pipes buried in a medium such as the ground, walls, and floors (for example, Patent Document 1). reference.). This buried object exploration device includes a sensor unit including a transmission / reception circuit and a transmission / reception antenna, and a monitor unit (display). The device main body includes four wheels for moving in the front-rear direction. It is installed. Then, a pulsed radar wave generated at a predetermined repetition period is radiated from the transmitting antenna to the ground or the wall, and the reflected wave returned from the ground or the wall is received by the receiving antenna. Based on the reflected wave Analysis processing is performed, and the internal information of the underground and walls is displayed on the monitor unit.

  In addition, a long operation rod can be attached to the apparatus main body, and the apparatus main body is moved by holding the operation rod when searching for a wall or ceiling at a remote position. The operation bar is rotatable in the front-rear direction of the apparatus main body, and the apparatus main body is swingable with respect to the operation bar.

JP 2000-19257 A

  By the way, in order to properly perform the exploration by the buried object exploration device, the four wheels are brought into contact with the surface of the medium such as the wall or ceiling (survey surface / scanning surface), and the device main body is opposed substantially parallel to the exploration surface. It is necessary to let However, in the conventional buried object exploration device, when the operation rod is mounted on the device main body, the device main body swings with respect to the operation rod, so that it is difficult to bring the four wheels into contact with the surface to be investigated. That is, as shown in FIG. 12, since the apparatus main body 102 swings downward with respect to the operation rod 101 due to the weight of the apparatus main body 102, only the front wheel 103 contacts the wall 110, and the rear wheel 104 moves to the wall. 110 was difficult to contact. As a result, it may be difficult or time-consuming to search for a wall or ceiling at a distant position using the operation rod 101.

  An object of this invention is to provide the buried object search apparatus which can be searched appropriately using an operating rod.

  In order to achieve the above object, the invention according to claim 1 radiates a radar wave from a transmitting antenna to a medium, receives a reflected wave from the medium by a receiving antenna, and performs analysis processing. An apparatus main body for exploring the embedded object, wheels disposed before and after the apparatus main body, and an operating rod having a long body and one end connected to the apparatus main body. An embedded object exploration device comprising an angle restricting unit that is capable of swinging in a front-rear direction with respect to a rod and that restricts the device body from swinging a predetermined angle or more.

  According to a second aspect of the present invention, in the buried object exploration device according to the first aspect, the angle restricting means is provided on a first restricting body provided on the apparatus main body side and on the operation rod side. A second restricting body, wherein the abutment surface of the first restricting body and the abutting surface of the second restricting body abut so that the apparatus main body does not swing more than a predetermined angle. Features.

  According to a third aspect of the present invention, in the buried object exploration device according to the second aspect, at least one contact surface of the first restricting body and the second restricting body is changeable, and the contact surface is changed. The predetermined angle is changed by changing.

  According to a fourth aspect of the present invention, in the buried object exploration device according to the second or third aspect, at least one of the first restricting body and the second restricting body is detachable, and the restriction is achieved by detaching. It is cancelled | released, It is characterized by the above-mentioned.

  According to the first aspect of the present invention, since the apparatus main body does not swing more than a predetermined angle with respect to the operation rod by the angle restricting means, all the wheels are easily brought into contact with the surface to be searched, and the apparatus main body is substantially aligned with the surface to be searched. It is possible to make them face each other in parallel. As a result, it is possible to appropriately and easily search for a wall or ceiling at a distant position using the operation rod.

  According to the invention of claim 2, since the angle restricting means is configured only by the first restricting body provided on the apparatus main body side and the second restricting body provided on the operation rod side, the configuration is It is simple and can reduce the production cost and is easy to handle.

  According to the invention of claim 3, since the predetermined angle for regulating the swinging is changed by changing the contact surface of at least one of the first restricting body and the second restricting body, it is suitable for an exploration target or a working environment. By changing the predetermined angle accordingly, it is possible to search more appropriately and easily using the operation rod. Moreover, it is only necessary to change the contact surfaces of the first restricting body and the second restricting body, and it is not necessary to provide a new restricting body, so that the cost can be reduced and the handling becomes easy.

  According to the invention of claim 4, since the swing regulation is canceled by removing at least one of the first regulation body and the second regulation body, the swing regulation is performed according to the exploration target or the work environment. By releasing, it becomes possible to search more appropriately and easily using the operation rod.

It is a perspective view which shows the buried object search apparatus which concerns on embodiment of this invention, and shows the state which rotated the operating rod to 1st angle (theta) 1. It is the top view (a) and front view (b) of the buried object search device of FIG. It is a right view of the buried object search device of FIG. It is a perspective view which shows the buried object search apparatus which concerns on embodiment of this invention, and shows the state which rotated the operating rod to 2nd angle (theta) 2. It is the top view (a) and front view (b) of the buried object search device of FIG. It is a right view of the buried object search device of FIG. It is a perspective view which shows the buried object search apparatus which concerns on embodiment of this invention, and shows the state which removed the 1st control body from the contact position and extended the operating rod perpendicularly | vertically. It is the top view (a) and front view (b) of the buried object search device of FIG. It is a right view of the buried object search device of FIG. It is the front view (a), right side view (b), and back view (c) which show the 1st control body of the buried object search apparatus of FIG. It is the front view (a) and right view (b) which show the 2nd bearing part of the buried object search apparatus of FIG. It is a figure which shows the state which searches a wall with the conventional buried thing search apparatus.

  The present invention will be described below based on the illustrated embodiments.

  1 to 11 show an embodiment of the present invention, and FIGS. 1, 4 and 7 are perspective views showing an embedded object searching apparatus 1 according to this embodiment. This buried object exploration device 1 is a device for exploring buried objects / targets such as reinforcing bars and gas pipes buried in a medium such as the ground, walls, floors, and ceilings. ) 31, 32, operation rod 4, and angle restricting means 5, except for the angle restricting means 5, the structure is the same as that of a conventional buried object searching device.

  The apparatus main body 2 searches for an embedded object in the medium by radiating a radar wave from the transmitting antenna to the medium and receiving a reflected wave from the medium by the receiving antenna for analysis processing. That is, based on control by the control unit, a transmission circuit generates a pulse signal and supplies power to the transmission antenna, and radiates a pulsed radar wave having a predetermined cycle from the transmission antenna to the medium. On the other hand, the reflected wave from the medium received by the receiving antenna is transmitted to the control unit as a reception IF signal by the receiving circuit. The control unit analyzes the position and state of the buried object based on the time from the radiation of the radar wave to the reception of the reflected wave and the phase of the received IF signal, and displays the result on the display. is there.

  Such search antennas such as a transmission antenna, a reception antenna, a transmission circuit, a reception circuit, and a control unit are accommodated in the main body casing 21. The main body casing 21 is a substantially rectangular parallelepiped casing having a low height, and four wheels 31 and 32 are rotatably arranged on the front, rear, left and right sides. Then, the above-described search is continuously performed by scanning the apparatus main body 2 while rotating the wheels 31 and 32 against the surface to be searched such as the ground or a wall surface.

  In addition, a terminal holder for mounting a smartphone is detachable on the upper surface of the main casing 21, and a wireless communication unit is built in the main casing 21 so as to be communicable with the smartphone. And the position and state of an embedded object are displayed on the display of a smart phone by transmitting the result analyzed as mentioned above to a smart phone.

  The operation bar 4 is a long and rod-like body, and one end thereof is connected to the apparatus main body 2, and the apparatus main body 2 is swingable in the front-rear direction with respect to the operation bar 2. That is, the operation rod 4 includes a mounting base 41 and an operation rod main body 42 as shown in FIGS. The mounting base 41 is flat and has two operation rod screws 43, and the operation rod 4 is engaged with the main body casing 21 by screwing the operation rod screws 43 into screw holes formed on the upper surface of the main body casing 21. The operating rod 4 can be removed from the main body casing 21 by loosening the operating rod screw 43.

  Two bearing portions 44 and 45 are provided on the upper surface of the mounting base 41, and one end portion of the operating rod main body 42 is rotatably supported by the bearing portions 44 and 45. That is, a rotating shaft that is orthogonal to the longitudinal direction of the operating rod main body 42 and extends in the left-right direction of the apparatus main body 2 is disposed at one end of the operating rod main body 42, and both ends of the rotating shaft are bearing portions 44, 45. The operating rod main body 42 is rotatable in the front-rear direction with respect to the mounting base 41, that is, the apparatus main body 2. In other words, the apparatus main body 2 can swing in the front-rear direction with respect to the operation rod main body 42 (operation rod 4). With such a mounting base 41, operation rod screw 43 and bearing portions 44, 45, one end of the operation rod main body 42 (operation rod 4) is detachably connected to the apparatus main body 2, and the apparatus main body 2 is connected to the operation rod main body 42. In contrast, the head can be swung freely in the front-rear direction (in the direction of arrow D in FIG. 2A).

  Here, the first bearing portion 44 is provided with a rotation-preventing screw 46, and by tightening the rotation-preventing screw 46, the rotation shaft, that is, the operation rod main body 42 cannot be rotated, and the operation rod main body with respect to the apparatus main body 2. The arrangement angle / position of 42 is fixed. Further, the operation rod main body 42 is extendable.

  The angle regulating means 5 regulates the apparatus main body 2 so as not to swing the head more than a predetermined angle. The first regulating body 6 provided on the apparatus main body 2 side and the second restriction provided on the operation rod 4 side. And the contact surface 6a, 6b of the first restrictor 6 and the contact surface 7a of the second restrictor 7 are in contact with each other, so that the apparatus body 2 swings over a predetermined angle. Regulate not to.

  That is, as shown in FIG. 11, two screw holes 451 and 452 are vertically arranged at the center of one side surface of the second bearing portion 45 (the side surface on the rear side parallel to the rotation axis of the operation rod main body 42). Recessed and horizontally long elliptical fitting holes 453 and 454 are formed above and below the screw holes 451 and 452. Further, on one side of the surface of the second bearing portion 45 (the outer surface perpendicular to the rotation axis of the operating rod main body 42), a first scale 455 and “40 °” are marked at the bottom, and the first scale is at the top. The second scale 456 and “60 °” are marked. Further, on the other side of the surface of the second bearing portion 45, a third screw hole 457 and a concave third oblong oval fitting hole 458 are formed.

  The first restricting body 6 is made of metal and has a substantially rectangular parallelepiped block shape as shown in FIG. 10, and the first abutting surface 6a is formed with the upper surface inclined in a slope shape. A rubber material (buffer material) 61 is disposed on the contact surface 6a. Further, the lower surface is flat and the second contact surface 6b is formed, and the rubber material 61 is disposed on the second contact surface 6b. Here, the shape of the first contact surface 6a and the second contact surface 6b is such that the apparatus main body 2 is more than a predetermined angle by contacting the contact surface 7a of the second restricting body 7, as will be described later. It is set not to swing.

  In addition, a restriction screw 62 is disposed from the right side surface through the left side surface, and a convex and horizontally long elliptical fitting portion 63 is formed below the restriction screw 62 on the left side surface. Further, the third scale 64 and “40 °” are marked on the lower part of the surface, and the fourth scale 65 and the inverted character of “60 °” are marked on the lower part of the back surface.

  And the 1st contact surface 6a of the 1st control body 6 is turned up, the fitting part 63 is fitted in the 1st fitting hole 453 of the 2nd bearing part 45, and the control screw 62 is attached. By screwing into the first screw hole 451, the first contact surface 6 a becomes a surface that contacts the contact surface 7 a of the second restricting body 7 as shown in FIGS. 1 and 2. At this time, the third scale 64 of the first restricting body 6 coincides with and faces the first scale 455 of the second bearing portion 45.

  On the other hand, with the second contact surface 6b of the first restricting body 6 facing upward, the fitting portion 63 is fitted into the second fitting hole 454 of the second bearing portion 45, and the restriction screw 62 is By screwing into the second screw hole 452, the second contact surface 6 b becomes a surface that contacts the contact surface 7 a of the second restricting body 7 as shown in FIGS. 4 and 5. At this time, the fourth scale 65 of the first restricting body 6 coincides with and faces the second scale 456 of the second bearing portion 45, and “60 °” of the first restricting body 6 is correctly displayed vertically. Is done. Thus, in this embodiment, the contact surfaces 6a and 6b of the first restricting body 6 that contacts the second restricting body 7 can be changed (replaced). By changing 6b, the predetermined angle for regulating the swing is changed.

  Further, by loosening the regulating screw 62 and removing the first regulating body 6 from the second bearing portion 45, the contact with the second regulating body 7 is eliminated as shown in FIGS. Swing regulation is released. Further, the fitting part 63 of the removed first restricting body 6 is fitted into the third fitting hole 458 of the second bearing part 45, and the regulating screw 62 is screwed into the third screw hole 457. Thus, the first restricting body 6 is attached to the surface of the second bearing portion 45.

  As described above, in this embodiment, the mounting base 41 and the operating rod main body 42 are integrally assembled, and the first restricting body 6 is provided on the apparatus main body 2 side by attaching the mounting base 41 to the apparatus main body 2. It is supposed to be fixed (fixed). On the other hand, the mounting base 41 and the operating rod main body 42 are separated, the mounting base 41 is disposed in the apparatus main body 2, and the first restricting body 6 is provided on the apparatus main body 2 side. The operating rod main body 42 may be connected to 41 (device main body 2). Alternatively, the first restricting body 6 may be disposed directly on the apparatus main body 2, and the operation bar 4 (operation bar main body 42) may be connected to the apparatus main body 2. That is, the first restricting body 6 is provided on the apparatus body 2 side (fixed side) that does not rotate with respect to the apparatus body 2, and the operation rod body 42 side (rotation side) rotates with respect to the apparatus body 2. Two regulating bodies 7 may be provided.

  On the other hand, the second restricting body 7 is disposed on the mounting base 41 side of the operation rod main body 42. The second restricting body 7 is made of metal and has a substantially rectangular parallelepiped block shape as shown in FIG. 8. The lower surface is formed in an inverted mountain shape (inverted triangle), and one (rear side) inclined surface has an inclined surface. It is the contact surface 7a. As described above, the second restricting body 7 is provided on the operating rod 4 side by disposing the second restricting body 7 on the rotating operating rod main body 42. The second restricting body 7 is detachable from the operation rod main body 42 via screws, fitting means, and the like.

  Then, the rotation stop screw 46 is loosened so that the apparatus main body 2 can be swung freely. As shown in FIGS. 1 to 3, the first restricting body 6 is moved to the second position with the first contact surface 6a facing upward. When arranged on one side surface (contact position) of the bearing portion 45, the swing of the apparatus main body 2 is regulated as follows. That is, when the operating rod main body 42 is rotated backward, the contact surface 7a of the second restricting body 7 is changed to the first contact surface 6a of the first restricting body 6 as shown in FIG. The operating rod main body 42 can no longer be rotated. In other words, the apparatus main body 2 can no longer swing with respect to the operation rod main body 42. At this time, the angle θ1 formed between the rear upper surface of the main body casing 21 and the operation rod main body 42 is 40 °, and the apparatus main body 2 is arranged so that the rear wheel 32 side does not approach the operation rod main body 42 by 40 ° or more (frontward). The wheel 31 side can be rotated and approached to the operation rod main body 42 side), and swinging is restricted.

  As shown in FIGS. 4 to 6, when the first restricting body 6 is disposed at the contact position of the second bearing portion 45 with the second contact surface 6b facing upward, the following is performed. Thus, the swing of the apparatus main body 2 is restricted. That is, when the operating rod main body 42 is rotated rearward, the contact surface 7a of the second restricting body 7 becomes the second contact surface 6b of the first restricting body 6 as shown in FIG. The operating rod main body 42 can no longer be rotated. In other words, the apparatus main body 2 can no longer swing with respect to the operation rod main body 42. At this time, the angle θ2 formed by the rear upper surface of the main body casing 21 and the operation rod main body 42 is 60 °, and the apparatus main body 2 is arranged so that the rear wheel 32 side does not approach the operation rod main body 42 by 60 ° or more (frontward). The wheel 31 side can be rotated and approached to the operation rod main body 42 side), and swinging is restricted.

  On the other hand, as shown in FIGS. 7 to 9, when the first restricting body 6 is detached from the contact position of the second bearing portion 45 and attached to the surface of the second bearing portion 45, FIG. As shown, the first restricting body 6 and the second restricting body 7 do not come into contact with each other. As a result, the swing restriction of the device main body 2 is released, and the device main body 2 can swing until the front wheel 31 side and the rear wheel 32 side approach the operation rod main body 42.

  As described above, according to the buried object searching apparatus 1, since the apparatus main body 2 does not swing more than a predetermined angle with respect to the operation rod 4 (operation rod main body 42) by the angle regulating means 5, all the wheels 31 are placed on the surface to be searched. , 32 can be easily brought into contact with each other so that the apparatus main body 2 can be opposed to the surface to be searched substantially in parallel. That is, as shown in FIGS. 2 and 5, since the rear wheel 32 side does not approach the operating rod main body 42 by a predetermined angle or more, all the wheels 31 and 32 are raised from the operating rod main body 42. By holding the main body 42, the apparatus main body 2 can be brought close to a wall or the like, and all the wheels 31 and 32 can be easily brought into contact with the wall or the like. As a result, it is possible to appropriately and easily search for a wall or a ceiling at a remote position using the operation rod 4.

  Further, since the angle restricting means 5 is configured only by the first restricting body 6 provided on the apparatus main body 2 side and the second restricting body 7 provided on the operation rod 4 side, the configuration is simple. The production cost can be reduced and the handling becomes easy.

  Furthermore, by changing the contact surfaces 6a and 6b of the first restricting body 6 with respect to the contact surface 7a of the second restricting body 7, the predetermined angle for restricting the swing of the apparatus body 2 is changed. By changing the predetermined angle in accordance with the work environment or the like, it is possible to search more appropriately and easily using the operation rod 4. Moreover, it is only necessary to change the contact surfaces 6a and 6b of the first restricting body 6, and it is not necessary to provide a new restricting body, so that the cost can be reduced and the handling becomes easy.

  In addition, by removing the first restricting body 6 from one side surface (contact position) of the second bearing portion 45, the swing regulation of the apparatus main body 2 is released. By canceling the swing regulation, it is possible to search more appropriately and easily using the operation rod 4. At this time, the first restricting body 6 is not lost by attaching the first restricting body 6 to the surface of the second bearing portion 45. Furthermore, since the first restricting body 6 is disposed on the mounting base 41 and the first restricting body 6 is provided on the apparatus main body 2 side by connecting the operating rod 4 to the apparatus main body 2, the first restricting body 6 is separately provided. There is no need to provide the regulating body 6 on the apparatus main body 2 side, and handling is easy and space saving can be achieved.

  Although the embodiment of the present invention has been described above, the specific configuration is not limited to the above embodiment, and even if there is a design change or the like without departing from the gist of the present invention, Included in the invention. For example, in the above embodiment, the first restricting body 6 includes the two contact surfaces 6a and 6b. However, three or more contact surfaces may be provided. In addition, a plurality of contact surfaces may be provided on the second restricting body 7 so that the contact surfaces can be changed. Furthermore, both contact surfaces of the first restricting body 6 and the second restricting body 7 can be changed. May be changed.

  In the above embodiment, the swing restriction of the apparatus main body 2 is released by removing the first restricting body 6 from the contact position of the second bearing portion 45, but the second restricting body 7 The swinging regulation may be released by removing from the contact position. Further, the swing regulation may be released by removing both the first regulation body 6 and the second regulation body 7.

  Furthermore, in the above-described embodiment, the first restricting body 6 is provided only on one side surface of the second bearing portion 45 to restrict the swinging of the apparatus main body 2 toward the rear side. The regulating body 6 may be provided on the other side surface (front side surface) of the second bearing portion 45 to regulate swinging of the apparatus main body 2 toward the front side. Further, the first restricting body 6 may be provided on both side surfaces of the second bearing portion 45 to restrict the swinging of the apparatus main body 2 to the front and rear sides.

DESCRIPTION OF SYMBOLS 1 Embedded object search device 2 Apparatus main body 21 Main body casing 31 Front wheel (wheel)
32 Rear wheel (wheel)
4 Operation rod 41 Mounting base 42 Operation rod body 44 First bearing portion 45 Second bearing portion 5 Angle restricting means 6 First restricting body 6a First abutting surface 6b First abutting surface 7 Second Regulator 7a Contact surface

Claims (4)

An apparatus main body for exploring an embedded object in the medium by radiating a radar wave from the transmitting antenna to the medium and receiving and analyzing the reflected wave from the medium by the receiving antenna;
Wheels disposed before and after the apparatus body;
An operating rod having an elongated body and one end connected to the apparatus main body,
An embedded object exploration device comprising: an angle restricting means for restricting the device main body from swinging in the front-rear direction with respect to the operation rod so that the device main body does not swing more than a predetermined angle.   The angle restricting means includes a first restricting body provided on the apparatus main body side and a second restricting body provided on the operation rod side, and a contact surface of the first restricting body; 2. The embedded object exploration device according to claim 1, wherein the device main body does not swing more than a predetermined angle by contacting with a contact surface of the second restricting body.   The embedment according to claim 2, wherein a contact surface of at least one of the first restricting body and the second restricting body is changeable, and the predetermined angle is changed by changing the contact surface. Object exploration device. 4. The embedding according to claim 2, wherein at least one of the first restricting body and the second restricting body is removable, and the restriction is released by removing the first restricting body and the second restricting body. 5. Object exploration device.

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