WO2005118347A1 - 移動体 - Google Patents
移動体 Download PDFInfo
- Publication number
- WO2005118347A1 WO2005118347A1 PCT/JP2005/010081 JP2005010081W WO2005118347A1 WO 2005118347 A1 WO2005118347 A1 WO 2005118347A1 JP 2005010081 W JP2005010081 W JP 2005010081W WO 2005118347 A1 WO2005118347 A1 WO 2005118347A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- moving body
- pair
- connecting arms
- forward direction
- moving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/38—Arrangements for mounting bumpers on vehicles adjustably or movably mounted, e.g. horizontally displaceable for securing a space between parked vehicles
Definitions
- the present invention relates to a moving body in which a caregiver is arranged over the entire front surface of a moving body main body in a forward direction.
- a actuating device consists of an X-shaped link mechanism with a crossed part pivotally connected, and a driving device such as a hydraulic cylinder that operates this link mechanism.
- a driving device such as a hydraulic cylinder that operates this link mechanism.
- One end of one link in the link mechanism is moved up and down along the axis of the vehicle body.
- the other end is pivotally connected to a slide provided horizontally on the pump at the other end, and is pivotally connected to the body of the other link.
- One end of the link opposite to the end of the link is pivotally connected to a pump by a pivot shaft whose axis is oriented in the vertical direction, and the other end of the link is connected to a slide provided on the vehicle body so as to be horizontally movable. It is pivotally mounted by a vertically oriented pivot (see, for example, Japanese Patent Application Laid-Open No. 8-156717 (see paragraphs “0008” and “0009”).
- the link mechanism having such a configuration can favorably absorb the impact over the entirety of the pump body when the pump body is elongated along the left and right sides of the vehicle body.
- the pamper body has a width in the left and right and up and down directions so as to cover the front surface of the vehicle body, there is a problem that it is not possible to absorb shocks in the up and down directions.
- the link mechanism since the link mechanism has a slide provided at the other end of the link mechanism so as to be horizontally movable, there is a problem that the shock absorbing operation becomes unstable.
- An object of the present invention is to dispose a pamper body over the entire surface in front of a moving body in a forward direction, and to stably absorb the shock no matter where the shock is applied to the pamper body. It is to provide a mobile body that can do.
- a moving unit such as a wheel
- a driving unit for driving the moving unit
- a moving body provided with control means for controlling the driving means, and a pampering device in which a pampering body is disposed over the entire front surface of the moving body in a forward direction.
- One end of a pair of connecting arms is attached to the upper end of the front surface of the moving body in the forward direction, and the other end of the pair of connecting arms is attached to the lower end of the pumper body.
- One end of the pair of connecting arms is attached to the lower end of the front surface of the moving body in the forward direction in front and rear, and the other end of the pair of connecting arms is attached to the upper end of the pump body in front and rear.
- a moving body characterized in that a parallel link mechanism is formed together with the moving body and a part of the pump body, and the parallel link mechanism absorbs an impact pressure applied to the pump body.
- FIG. 1 is a perspective view showing an appearance of a moving object according to a first embodiment of the present invention.
- FIG. 2 is a partial vertical sectional view showing a configuration of a pump device according to the embodiment.
- FIG. 3 is a partial horizontal sectional view showing the configuration of the pumper device according to the embodiment.
- FIG. 4 is a block diagram showing a main configuration of a control unit according to the embodiment.
- FIG. 5 is a partial vertical cross-sectional view showing a configuration of a pump device according to a second embodiment of the present invention.
- FIG. 6 is a perspective view showing an appearance of a moving object according to a third embodiment of the present invention.
- FIG. 7 is a partial horizontal sectional view showing a configuration of the pumper device according to the embodiment.
- FIG. 8 is a partial vertical sectional view showing a configuration of a pump device according to the embodiment. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a perspective view showing the appearance of a moving body
- 1 is a rectangular moving body main body to which a total of four wheels 2 are attached at right, left, front and rear as moving means.
- the pampering body 4 of the pampering device 3 is disposed over the entire surface. That is, The damper body 4 covers the front surface of the moving body 1.
- FIG. 2 shows a view in which the moving body is viewed from the left side surface by sectioning the pampering device in the vertical direction
- FIG. 3 shows a horizontal cross-sectional view of the pampering device 3.
- one end of a pair of connecting arms 5 and 6 is arranged at a predetermined distance back and forth, and is rotatably supported by fixing pins 19a and 19b.
- the other ends of the pair of connecting arms 5, 6 are arranged at predetermined intervals in the front and rear directions, and are rotated by the fixing pins 20a, 20b. It freely pivots and forms a parallel link mechanism with the upper end la of the moving body 1 and the lower end 4a of the pumper main body 4.
- one end of a pair of connecting arms 7, 8 is disposed at a predetermined distance in front of and behind a pair of connecting arms 7, 8 on the right side of the upper end la of the moving body 1, and is rotated by a fixing pin (not shown).
- the other end of the pair of connecting arms 7 and 8 is disposed on the right side of the lower end portion 4a of the pump body 4 so as to be rotatable and rotatably supported, and the upper end of the movable body 1
- the part la and the lower end part 4a of the pump body 4 form a parallel link mechanism.
- the connecting arms 5 and 7 on the front side are connected by a connecting member 9 and the connecting arms 6 and 8 on the rear side are connected by a connecting member 10 to form a first link device.
- the pump body 4 is suspended on the front surface of the moving body 1 via the first link device, and the first link device is pushed at the upper end of the pump body 4. Even if the lower end is pushed, the moment can be canceled by always keeping the parallelogram, so that the pumper body 4 can be displaced in the backward direction in parallel without rotating up and down.
- the pumper device 3 has a torsion panel 11 as an elastic member attached to one end fulcrum of the rear connecting arms 6, 8, and displaces the pumper body 4 so as to push it forward.
- a restricting member 12 is provided at a lower end lb on the front surface of the moving body 1, and the restricting member 12 restricts the pusher body 4 from being pushed forward. As a result, a displacement force is constantly applied to the pump body 4 to push it forward, and the reaction force is exerted when an impact occurs. Occurs to absorb shock.
- the elastic members other than the torsion panel 11 are examples of the elastic members other than the torsion panel 11
- a coil panel a plate panel, or the like may be used.
- the pumper device 3 also pivotally supports the pair of operating arms 13 and 14 so as to be rotatable relative to each other by a free fulcrum 15 provided at the center in a horizontal state.
- One end 13a, 14a located on the front side of 14 is rotatably supported by fixing pins 16, 17 so as to be bilaterally symmetrical with the lower end lb of the front surface of the moving body 1, and a pair of them is provided.
- the other ends 13b and 14b located on the rear side of the operating arms 13 and 14 are pivotally supported near the mounting positions of the connecting arms 6 and 8 at the lower end 4a of the pumper body 4 so as to be rotatable.
- a second link device is formed.
- the operating arm 13 rotates clockwise with respect to the fulcrum 15, and the operating arm 14 applies an urging force to rotate counterclockwise, so that the second link device is positioned forward.
- the pushing ends 13a and 14a are pushed forward to apply a forward pressing force to the bumper device 3. Therefore, when a backward force is applied to the pumper device 3, the operating arm 13 rotates counterclockwise, and the operating arm 14 rotates clockwise, so that the force applied in the backward direction can be dispersed. .
- the second link device transmits the displacement to the opposite side via the fulcrum 15 by the pair of operating arms 13 and 14, The bumper body 4 will be pushed straight in keeping the parallel.
- Microswitches 18a and 18b are arranged at the rear ends of both lower end portions 4a of the pumper main body 4 so as to detect when the bumper main body 4 moves rearward due to an impact.
- the mobile body 1 includes a CPU (central processing unit) 21, a ROM (read-only memory) 22, a RAM (random access memory) 23, and an I / O port. 24, and these are connected by a bus line 25, and a motor control unit 26 constituting control means is connected to the IZO port 24.
- the CPU 21 controls the motor control unit 26 based on a program stored in the ROM 22, whereby the motor control unit 26 controls left and right driving wheel motors 27 and 28 constituting driving means, and Perform the desired moving operation.
- the signals from the micro switches 18a, 18b are input to the I / O port 24, and the CPU 21 detects that the I / O port 24 has a collision from the micro switches 18a, 18b.
- the motor control unit 26 is controlled to stop the left and right drive wheel motors 27, 28.
- the moving body 1 is driven to rotate by the drive wheel motors 27 and 28, for example, using the front two wheels 2 as drive wheels of the four wheels 2, and the rear two wheels 2 Is used as a driven wheel and is free to rotate.
- the movable body 1 is provided with various sensors and the like for detecting obstacles. These forces are omitted. Further, the mobile body 1 has a configuration in which a battery (not shown) is built in and runs autonomously.
- the mobile body 1 runs autonomously and moves while avoiding the obstacle while detecting the obstacle. However, a collision may occur without being able to avoid the obstacle.
- the pump body 4 provided on the front of the moving body 1 collides with an obstacle.
- the pamper body 4 is configured to have a width in the left, right, up, and down directions so as to cover the front of the mobile body 1, so that the left end, right end, upper end, and lower end of the pamper body 4 are protected against obstacles. They can collide.
- the pamper body 4 When the left end portion or the right end portion of the pamper body 4 collides, the pamper body 4 is prevented from being pushed left and right by the action of the second link device. That is, when the left end is pushed by the collision, the pair of operating arms 13 and 14 transmits the displacement to the right side on the opposite side via the fulcrum 15, so that the pumper body 4 is pushed in parallel without tilting. .
- the first link device prevents the pamper main body 4 from being pushed up and down. That is, the first link device always keeps a parallelogram to cancel the moment even when the upper end portion or the lower end portion of the pumper body 4 is pressed, thereby canceling the moment, whereby the pumper body 4 rotates up and down. It will be pushed in parallel without incident.
- the CPU 21 determines a collision with an obstacle and sends a stop signal to the motor control unit 26.
- the motor control unit 26 receives the stop signal
- the left and right drive wheel motors 27 and 28 Stop the movement and stop the movement of the mobile body 1. In this way, the movement of the moving body can be immediately stopped by detecting that the pamper body 4 has collided with the obstacle.
- a pair of connecting arms 5, 6 and a pair of connecting arms 7, 8 are arranged on the left and right between the front surface of the moving body 1 and the pumper body 4, respectively. Therefore, the pump body 4 can be operated smoothly in response to a shock. Moreover, since the front connecting arms 5 and 7 are connected by the connecting member 9 and the rear connecting arms 6 and 8 are connected by the connecting member 10, the force and moment in the left and right direction can be received. .
- the force described above for supporting the pamper body 4 with two pairs of connecting arms is not limited to this. Even if the pump body 4 is supported by one pair of connecting arms, It may be supported by three or more connecting arms.
- one end of the connecting arms 5 and 6 and the connecting arms 7 and 8 are provided at the upper end la of the front surface of the moving body 1.
- the other ends of the connecting arms 5 and 6 and the other ends of the connecting arms 7 and 8 are attached to the lower end 4a on the inner surface side of the pumper body 4 so that one end of each of the connecting arms can be rotated back and forth.
- a first link device is rotatably supported in the front and rear directions to form a first link device, and one end of a pair of operating arms 13 and 14 is provided between a lower end of the front surface of the movable body 1 and a lower end of the pumper body 4. And the other end is pivotally supported to form an X-shaped second link device, but the present invention is not limited to this.
- the upper end side of the pampering device may be a movable end.
- one end of each of the connecting arms 5 and 6 and one end of each of the connecting arms 7 and 8 are rotatably supported at the lower end of the front surface of the movable body 1 with the front and rear ends thereof, and the inner side of the pump body 4
- a first link device is formed at the upper end of the movable body 1 by rotatably supporting the other ends of the connecting arms 5 and 6 and the other ends of the connecting arms 7 and 8 respectively.
- An X-shaped second link device is formed between the upper end of the front surface and the upper end of the pump body 4 by pivotally supporting the pair of operating arms 13 and 14 so that one end and the other end of the pair are front and rear, respectively. Will do.
- This embodiment describes a modification of the first link device.
- a pair of links is provided on the left side of the upper end of the front side of the moving body 1 in the forward direction.
- One ends of the contact arms 31 and 32 are arranged and attached to the front and rear, and the other ends of the pair of articulated arms 31 and 32 are arranged and attached to the left side of the lower end on the inner surface side of the pump body 4 to be attached to the first Forming a link device.
- the pair of connecting arms 31, 32 form small-diameter details 31a, 32a near one end thereof, and also have fine-diameter details 31b, 32b near the other end. Thereby, the stress can be partially concentrated on the pair of connecting arms 31, 32, and the connecting arms 31, 32 can be elastically deformed.
- one end of a pair of connecting arms (not shown) is attached to the right side of the upper end of the front surface of the moving body 1 in the forward direction, and one end of the pair of connecting arms is attached.
- the other end is placed back and forth on the right side of the lower end on the inner surface side of the pamper body 4 and attached. Also in this case, details are formed near one end and near the other end of the pair of connecting arms so that they can be elastically deformed.
- the two pairs of connecting arms apply a displacement force to the pumper body 4 so as to push the pumper body 4 forward when no pressing force is applied to the pumper body 4. Further, the pushing out of the pump body 4 to the front is regulated by the regulating member 12.
- the two pairs of connecting arms are fixed to the left and right of the upper end of the front surface of the moving body 1 and the left and right of the lower end of the inner surface side of the pump body 4, the two pairs of connecting arms are attached. Since the small diameter is formed near one end and near the other end of the arm to concentrate the stress partially, the upper end of the pumper body 4 is similar to the first embodiment described above. The moment can be canceled even if is pressed or the lower end is pressed, and the pumper body 4 can be displaced in parallel without rotating up and down. That is, the pump body 4 can be smoothly operated in response to an impact.
- FIG. 6 is a perspective view showing the appearance of the moving body, and 41 is a cylindrical moving body main body.
- a substantially semicircular pamper body 42 constituting a pampering device is disposed over the entire front surface of the moving body 41 in the forward direction. That is, the pump body 42 is configured to cover a substantially front half surface of the moving body 41.
- FIG. 7 shows a horizontal cross-sectional view of the pampering apparatus.
- FIG. 8 shows a cross section of the pampering apparatus in a vertical direction, and a part of the front part of the moving body 41 is cut away and viewed from the left side. The figure is shown.
- Said move Two projections (not shown) are formed on the left side surface of the front upper end 41a at predetermined intervals in the forward and rearward directions of the body main body 41, and each projection has a pair of connecting arms.
- One end of each of 43 and 44 is attached, and two projections 55a and 55b are formed at predetermined intervals in the front and rear on the left side surface of the lower end portion 42a of the inner surface of the pump body 42.
- the other end of the pair of connecting arms 43 and 44 is attached.
- Two projections 56a, 56b are formed on the right side surface of the upper end 41a of the front surface of the moving body 41 at predetermined intervals in the front and rear, and a pair of projections 56a, 56b is formed on each of the projections 56a, 56b.
- One end of the connecting arm 45, 46 is attached, and two projections 57a, 57b are formed on the right side surface of the lower end 42a of the inner surface of the pumper body 42 at predetermined intervals in the front and rear, and these projections 57a, 57b are formed.
- the other end of the pair of connecting arms 45, 46 is attached to the arm.
- the pair of connecting arms 43, 44 and the pair of connecting arms 45, 46 are mounted at symmetrical positions on the front surface of the moving body 41, and the pair of connecting arms 43, 44 are moved.
- a parallel link mechanism is formed with a part of the body 41 and a part of the pump body 42, and a pair of connecting arms 45 and 46 are formed with a parallel link with a part of the mobile body 41 and a part of the pump body 42.
- a first link mechanism as a whole.
- the connecting arms 43, 45 constitute a front connecting arm and are arranged near the center on the circumference of the moving body 41 and inside thereof and are connected to each other by a connecting member 58 in the lateral direction.
- the connecting arms 44 and 46 constitute a rear connecting arm and are arranged outside the connecting arms 43 and 45 on the circumference of the moving body 41 and connected to each other by a connecting member (not shown) in a lateral direction. Have been. As a result, the movement of the pamper main body 42 in the left-right direction is restricted.
- the two pairs of connecting arms 43, 44, 45, and 46 apply a displacement force to the pamper body 42 so as to push it forward when no pressing force is applied to the pamper body 42. .
- the pushing out of the pump body 42 forward is regulated by the regulating member 54.
- a second link mechanism is arranged at the lower end 41b of the front surface of the moving body 41.
- a pair of operating arms 47 and 48 are horizontally supported by a free fulcrum 49 provided at the center so as to be rotatable relative to each other.
- One end 47a, 48a located on the lower side is symmetrical to the lower end 41b of the moving body 41.
- the other ends 47b, 48b located on the rear side of the pair of operating arms 47, 48 are attached to the lower ends 42a of the pump body 42 by the connecting pins 44, 46. Attached nearby, forming an X-shaped link mechanism as a whole.
- Microswitches 52a and 52b are arranged at the rear ends of both lower end portions 42a of the pamper main body 42 so as to detect when the pamper main body 42 moves rearward due to an impact.
- the body body 41 is provided with wheels 53 as moving means.
- the same operational effects as those of the above-described embodiment can be obtained. That is, when the left end portion or the right end portion of the pampering body 42 collides, the action of the second link device prevents the pampering body 42 from being pushed left and right. Further, when the upper end portion or the lower end portion of the pamper body 42 collides, the action of the first link device prevents the pamper body 42 from being pushed up and down.
- the impact can be satisfactorily and stably absorbed.
- the movement is detected by the micro switches 52a and 52b, and the movement of the moving body 41 is stopped.
- a pair of connecting arms 43 and 44 and a pair of connecting arms 45 and 46 are respectively disposed on the left and right between the front surface of the moving body 41 and the inner surface of the pump body 42 as the first link device.
- the pump body 42 can be smoothly operated in response to an impact.
- the front connecting arms 43 and 45 are connected to each other and the rear connecting arms 44 and 46 are connected to each other, a left-right force or moment can be received.
- the connecting arms 43, 44, 45, 46 in the first link device are arranged along the circumference without overlapping on the left and right between the front surface of the moving body 41 and the pumper body 42. Therefore, the distance between the outer periphery of the moving body 41 and the pump body 42 can be minimized. Accordingly, the outer circumference on the front side of the moving body 41 can be made larger than the entire outer circumference, and the internal space of the moving body can be increased.
- the force described above for supporting the pamper body 42 with two pairs of connecting arms is not limited to this, but may be supported by three or more connecting arms.
- the lower end side of the pampering device is a movable end
- one end of the connecting arms 43 and 44 and the connecting arm are provided on the upper end of the front surface of the moving body 41 in the forward direction.
- One end of each of 45 and 46 is attached to the front and rear, respectively, and attached.
- the other end of connecting arms 43 and 44 and the other end of connecting arms 45 and 46 are attached and attached to the lower end on the inner surface side of pump body 42.
- a first link device is formed, and one end and the other end of a pair of operating arms 47 and 48 are rotatable between a lower end of the front surface of the moving body 41 and a lower end of the inner surface of the pump body 42.
- the X-shaped second link device is formed by pivoting, but the present invention is not limited to this.
- the upper end side of the pampering device may be a movable end.
- one ends of the connecting arms 43 and 44 and one ends of the connecting arms 45 and 46 are attached to the lower end of the front surface of the movable body 41 at the front and rear, respectively, and attached to the upper end on the inner surface side of the pump body 42.
- the other ends of the connecting arms 43 and 44 and the other ends of the connecting arms 45 and 46 are respectively arranged in front and rear to form a first link device, and the upper end of the front surface of the moving body 41 and the inner surface of the pumper body 42 are formed.
- One end and the other end of the pair of operating arms 47 and 48 are rotatably supported between the upper end of the pair and the upper end of the pair to form an X-shaped second link device.
- the shock is satisfactorily and stably absorbed no matter where the shock is applied to the pamper body.
- a mobile object that can perform the operation.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating Pumps (AREA)
- Manipulator (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004164649A JP2005343289A (ja) | 2004-06-02 | 2004-06-02 | 移動体 |
| JP2004-164649 | 2004-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005118347A1 true WO2005118347A1 (ja) | 2005-12-15 |
Family
ID=35462820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/010081 Ceased WO2005118347A1 (ja) | 2004-06-02 | 2005-06-01 | 移動体 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2005343289A (ja) |
| WO (1) | WO2005118347A1 (ja) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6277057U (ja) * | 1985-11-05 | 1987-05-16 | ||
| JPS62152857U (ja) * | 1986-03-20 | 1987-09-28 | ||
| JP2553518Y2 (ja) * | 1991-06-05 | 1997-11-05 | 小平産業株式会社 | ダンプトラック等のリヤバンパー装置 |
-
2004
- 2004-06-02 JP JP2004164649A patent/JP2005343289A/ja active Pending
-
2005
- 2005-06-01 WO PCT/JP2005/010081 patent/WO2005118347A1/ja not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6277057U (ja) * | 1985-11-05 | 1987-05-16 | ||
| JPS62152857U (ja) * | 1986-03-20 | 1987-09-28 | ||
| JP2553518Y2 (ja) * | 1991-06-05 | 1997-11-05 | 小平産業株式会社 | ダンプトラック等のリヤバンパー装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005343289A (ja) | 2005-12-15 |
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