JPH1134864A - Carrying truck device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stably travel on a traveling route in a curved part and lower the height. SOLUTION: A drive truck 6 which is driven and travels via traveling rack 9 arranged on the traveling rail 4, and driven trucks 8A, 8B which are swingingly connected to the front/rear of the drive truck 6 via connecting rods 7A, 7B having universal joints and provided with riding mounts 13A, 13B are arranged on a traveling rail 4 laid on a floor face 3 of a traveling route 2. A traveling drive part 21 which has a plurality of guide rollers and traveling pinions across the flange top plate 4a of the traveling rail 4, a traveling support part 22 which pinches the flange top plate 4a and has a plurality of rotatable guide rollers, and a connecting support member 41 which swingingly connects them together are provided on the traveling device 11 of the drive truck 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transport trolley device that travels along a vertical and horizontal curved path such as a dam bank or a tunnel.

[0002]

2. Description of the Related Art Conventionally, for example, a transport trolley device that transports a worker or a load on a dam levee inspection corridor or the like is provided with a travel drive device on a travel rail disposed along a ceiling, and the travel drive device is provided with the drive device. In some cases, a carrier is hung and supported, and in others, a traveling drive is provided on a traveling rail disposed along the side wall of the inspection corridor, and the carrier is attached to and supported by the traveling drive.

[0003]

However, the above-mentioned ceiling suspension type can control the posture of the carrier by its own weight, so that the posture control is not necessary. However, there is a problem that the carrier swings greatly in a sharp curved part. was there. In addition, the side rail type can be controlled by its own weight by running the supporting wheels on the floor surface, so that the position of the bed can be controlled. Therefore, it does not swing, but it is particularly suitable for curved paths with large horizontal bends (small radius of curvature). There is a problem that it is difficult to cope with the driving device, and the connection structure between the traveling driving device and the carrier is likely to be complicated.

The invention according to claim 1 of the present invention solves the above-mentioned problems and provides a transport trolley device which can easily cope with traveling on a three-dimensional curved portion in a vertical direction and a horizontal direction. The purpose is to:

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the invention according to claim 1 of the present invention provides a traveling rail laid along a floor of a traveling route and a traveling rail disposed on the traveling rail. And a drive truck, and a drive truck, and a driven truck connected via a connecting member having a universal joint before and after the drive truck are disposed on the travel rail so as to run freely. A traveling drive unit comprising a plurality of guide rollers rotatable with the traveling rail sandwiched between the traveling rails, the traveling pinion meshing with the traveling rack, and a rotary driving device for the traveling pinion; A traveling support portion having a plurality of guide rollers that are free to roll and connecting the traveling drive portion and the traveling support portion to absorb the displacement of the traveling rail in the curved portion and regulate the vertical movement of the traveling support portion. A link support member is provided, and the driven carriage is provided with a traveling guide portion having a plurality of guide rollers that are rotatable while sandwiching the traveling rail, and is provided in an upright posture corresponding to the inclination of the traveling rail by a posture control mechanism. A carriage to be controlled is provided, and the center of rotation of the carriage in the attitude control mechanism is arranged close to a traveling rail.

According to the above configuration, since the traveling device of the driving bogie has the traveling driving portion provided with the traveling supporting portion via the connecting support member, the rotational moment generated by driving the traveling pinion is effectively applied by the traveling supporting portion. When the vehicle is traveling on a curved road, displacement of the traveling drive unit and the traveling support unit can be tolerated by the connecting support member, so that stable traveling is possible. In addition, a driven vehicle without a traveling drive device is arranged before and after a driving vehicle equipped with a traveling drive device, and the driven vehicle does not interfere with the traveling drive unit, so that the center of rotation of the boarding platform is lowered. The height of the tunnel can be reduced, and the vehicle can travel in a tunnel with a low height.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Here, an embodiment of a transport trolley device according to the present invention will be described with reference to FIGS.

[0008] As shown in FIG.
For example, in a dam inspection corridor 1 having a low height, the traveling route 2 has a three-dimensionally curved vertical and horizontal direction. A traveling rail 4 is laid along the traveling route 2 on the floor 3 of the dam inspection corridor 1. The traveling rail 4 is provided with a driving bogie 6 and driven bogies 8A and 8B connected to the front and rear of the driving bogie 6 via connecting rods 7A and 7B as connecting members, respectively, so as to be able to travel.

The running rail 4 is formed in a horizontal H-shaped cross section including a flange top plate 4a, a flange bottom plate 4c, and a connecting plate 4b. Good. A traveling rack 9 is disposed at the center of the flange top plate 4a over the length direction.

[0010] The driving carriage 6 is provided with a traveling device 11 which is guided by the traveling rail 4 and can be driven to travel. On the other hand, traveling guide devices 12A and 12B guided by the traveling rail 4 and attitude control mechanisms 14A and
Boards 13A, 13 controlled to an upright posture by 14B
B and various control panels 15 are provided.

The traveling device 11 transmits a traveling driving force to the traveling rack 9 to cause the driving vehicle 6 and the driven vehicle 8 to travel, and receives a reaction force of the traveling driving unit 21 to turn over. It is composed of a traveling support portion 22 for preventing.

That is, as shown in FIGS. 2 to 4, the driving / running section 22 is mounted on the running rail 4 of the running drive section frame 23.
A drive shaft 24 is rotatably supported in the width direction (horizontal direction orthogonal to the running direction) above the drive shaft 24. A running pinion 25 meshing with the running rack 9 is fixed to the drive shaft 24,
On both sides of the traveling pinion 25, upper guide rollers 26, 26 that roll on the flange top plate 4a are rotatably disposed. The drive shaft 24 includes a passive sprocket 27 attached to one end and a traveling motor 2 with a reduction gear.
The drive sprocket 29 attached to the output shaft 8 is connected and linked via a chain 30 and is driven to rotate by a traveling motor 28. A pair of left and right swing prevention guide rollers 31, 31 for rolling the end surface of the flange top plate 4a are disposed at front and rear positions of the traveling drive unit frame 23 via roller supports 32a, 32a, respectively. 32a are vertical axes 32b and 32b, respectively.
And a swing prevention mechanism 32 which is rotatably supported via a spring 32c and urges the swing prevention guide rollers 31, 31 to sandwich the flange top plate 4a in the width direction by a spring 32c. Further, in the lower part of the traveling drive unit frame 23,
A pair of left and right anti-floating guide rollers 33, 33 that roll on the bottom surface of the flange top plate 4a are respectively disposed in front and rear, and are supported with the upper guide rollers 26, 26 by a roller support 34b urged above a spring 34a. An anti-floating mechanism 34 is sandwiched between the guide rollers 33 and 33 in the vertical direction of the flange top plate 4a.

Therefore, in the traveling drive unit 21, the two upper guide rollers 26, 2
6 and four anti-floating guide rollers 3 arranged before and after
3 and 33, the flange top plate 4a is sandwiched up and down to prevent floating, and a swing prevention mechanism 32 is used to guide the flange top plate 4a with four swing prevention guide rollers 31,31.
Is sandwiched in the width direction to prevent the roll from rolling, and the traveling drive force is transmitted to the traveling rack 9 by the traveling pinion 25 to drive the traveling.

The traveling drive unit 21 includes a connecting support member 4.
The traveling support portion 22 is connected to the driving support portion 1 via the first driving support portion 1. The connecting support member 41 includes a connecting arm 4 whose base end is rotatably connected to the traveling drive unit frame 23 via a vertical pin 42.
3 and a horizontal shaft 45 supported on the connecting arm 43 via a spherical bearing 44, and running support frames 46, 46 are attached to both ends of the horizontal shaft 45.

As shown in FIGS. 4 to 6, a pair of front and rear upper guide rollers 47, 47 running on the flange top plate 4a are rotatably supported on the running support frames 46, 46, respectively. A pair of right and left swing prevention guide rollers 48, 48 for rolling the end surface of the flange top plate 4a are provided at front and rear positions, respectively, as roller supports 49a, 49a.
It is arranged through. These roller supports 49a, 49a are rotatably supported via vertical shafts 49b, 49b, respectively. The roller supports 49a, 49a are rotationally biased toward the traveling rail 4 by springs 49c, and the swing prevention guide rollers 48 are provided. , 48, flange top plate 4
The swing prevention mechanism 49 is provided so as to sandwich “a”. Further, at the lower portion of the traveling support frame 46, two pairs of left and right anti-floating guide rollers 50, 50 which are arranged on the front and rear of the left and right pair for rolling on the bottom surface of the flange top plate 4a, are respectively disposed on the front and rear. Rollers 50, 5
The upper guide rollers 47, 47 and the upper and lower guide rollers 50, 5 are provided with an anti-floating mechanism 51 for urging the roller support 51b supporting the first roller 0 upward by a spring 51a.
0 sandwiches the flange top plate 4a in the vertical direction.

Therefore, the traveling support unit 22 and the traveling drive unit 21 can jointly hold the traveling drive unit frame 23 movably along the traveling rail 4 to stabilize the posture of the driving carriage 6. . The traveling drive unit 21
The rotation moment about the drive shaft 24 generated when the traveling pinion 25 is rotationally driven is transmitted to the traveling support portion 22.
Of the drive bogie 6 can be prevented. Further, the traveling support unit 22 and the traveling driving unit 2
1, the vertical bending of the running rail 4 is absorbed by the rotation about the horizontal axis 45, and the horizontal bending of the running rail 4 is tilted of the connecting arm 43 about the vertical pin 42. Is absorbed by the swing prevention mechanism 49, and stable running is possible even on a sharp curve with a small radius of curvature.

As shown in FIG. 1, the driven trucks 8A and 8B are provided with traveling guide devices 12A and 12B having the same configuration as the traveling support portion 22, and the same members are denoted by the same reference numerals. Description is omitted.

As shown in FIGS. 1 and 7, a horizontal support shaft 53 serving as a center of rotation of the carriages 13A and 13B is provided on the carriage rail 52 of the carriages 8A and 8B via bearings 52a. The carriages 13A, 13B are rotatably supported by the horizontal support shaft 53. An arc gear 54 attached to the carriages 13A and 13B and an arc gear 5
4 and a bogie frame 52
Control motor 5 which is arranged at a position and is driven and controlled by a signal from a posture control unit based on a detected value of an inclinometer (not shown)
6, and a winding transmission mechanism 57 for linking and interlocking a drive sprocket of the output shaft of the attitude control motor 56, an intermediate sprocket of the horizontal support shaft 53, and a passive sprocket of the tilting pinion 55 via a chain. 14
A and 14B are provided.

The connecting rods 7A and 7B for connecting the driving trolley 6 and the driven trolleys 8A and 8B are connected to a traveling drive unit frame 23.
The universal joints 7a and 7b are connected between the connecting arm 43 and the bogie frame 52, and the two joints are respectively provided near the connecting portions, so that the positional deviation between the driving bogie 6 and the driven bogies 8A and 8B is allowed within a predetermined range. Can be.

As shown in FIG. 3 and FIG.
Supply driving power to the attitude control motor 56 and the traveling motor 28 along the traveling path 2
A power supply control rail 61 for transmitting and receiving a control signal is provided, and current collecting devices 62 and 63 that are in sliding contact with the power supply control rail 61 are provided on the drive vehicle 6 and the driven vehicles 8A and 8B.

In the above configuration, the carriages 13A, 13B
The transport trolley device is driven by the operation of a worker who gets on the vehicle or by remote operation from outside. First, the traveling motor 28 is started, the traveling pinion 25 is driven to rotate, and the driving carriage 6 is driven to travel along the traveling rail 4 using the traveling rack 9 as a reaction force receiver. During this driving, a rotational moment acts on the driving bogie 6 around the driving shaft 24, but the driving bogie 6 is held by the traveling support portion 23 that is not displaced in the vertical direction, and is maintained in a normal posture. The driven trucks 8A and 8B are moved to the driving truck 6 via the connecting rods 7.

When the driving carriage 6 approaches the curved portion 2b in the horizontal direction, the swing prevention mechanism 33 operates according to the displacement of the flange top plate 4a of the traveling rail 4, and the swing prevention guide roller 33 follows. Then, the connecting arm 43 swings about the vertical pin 42, and furthermore, the horizontal shaft 45 swings via the spherical bearing 44, so that the traveling support portion 22 follows the displacement of the flange top plate 4a.

When the driving carriage 6 approaches the curved portion 2b in the vertical direction, the traveling driving frame 23 swings about the driving shaft 24 and the traveling supporting frame 46 swings about the horizontal shaft 45. In addition, the displacement of the flange top plate 4a of the traveling guide rail 4 can be absorbed.

Further, in the three-dimensional curved portion of the traveling route 2 in the vertical and horizontal directions, the driving bogie 6
Is run smoothly. Further, in traveling with a small radius of curvature, the driving bogie 6 and the driven bogie 8 are connected to each other by the connecting rods 7, so that stable driving is possible.

According to the above embodiment, the traveling device 11 of the driving bogie 6 includes the traveling drive unit 21 and the traveling support units 22 and 72.
Are provided and connected by the connection support member 41, the rotation moment generated when the traveling pinion 25 is driven can be effectively supported, and the inclination of the boarding stand 13 can be prevented.

Further, since the driving bogie 6 and the driven bogies 8A and 8B are connected via the connecting rod 7 having the universal joints 7a and 7b, they can support each other, and even if the curve has a narrow radius, It is possible to run more stably.

Further, a driving bogie 6 having a traveling driving unit 21 and driven bogies 8A, 8 having boarding platforms 13A, 13B.
B are arranged separately, and the driven trolleys 8A and 8B
Since the horizontal support shaft 53, which is the center of rotation of 3A, 13B, is arranged at a position approaching the traveling rail 4, the carriages 13A, 1B
The overall height of the transport trolley device including the change in the posture of 3B can be reduced, and the vehicle can travel on a passage such as the inspection corridor 1 having a low height.

[0028]

As described above, according to the first aspect of the present invention, the traveling device of the driving bogie has the traveling driving portion provided with the traveling supporting portion connected via the coupling supporting member. Therefore, the rotational moment generated by driving the traveling pinion can be effectively supported by the traveling support portion, and stable traveling can be achieved. The displacement of the traveling drive unit and the traveling support unit during curved traveling can be allowed by the connecting support member.
Furthermore, since the driven bogie without the traveling driving device is arranged before and after the driving bogie equipped with the traveling driving device, the center of rotation of the riding platform of the driven bogie can be lowered, and the overall height is lowered. It is possible to travel in a low-height tunnel.

[Brief description of the drawings]

FIG. 1 is an overall side view showing an embodiment of a transport trolley device according to the present invention.

FIG. 2 is a side view showing the driving bogie.

FIG. 3 is an overall front sectional view showing the driving bogie.

FIG. 4 is a plan sectional view showing a traveling device of the driving bogie.

FIG. 5 is a front sectional view showing a traveling support portion of the traveling device.

FIG. 6 is an enlarged side sectional view showing a traveling support portion of the traveling device.

FIG. 7 is an overall front view showing the driven truck.

FIG. 8 is an overall side view showing a traveling state of an inclined traveling route of the carrier device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Audit hall 2 Running route 3 Floor surface 4 Running rail 4a Flange top plate 6 Drive bogie 7 Connecting rod 7a, 7b Universal joint 8A, 8B Followed bogie 9 Running rack 11 Traveling device 12A, 12B Traveling guide device 13A, 13B Riding stand 14A, 14B Attitude control mechanism 21 Traveling drive unit 22 Traveling support unit 25 Traveling pinion 26, 31, 34 Guide roller 28 Traveling motor 33 Shake prevention mechanism 35 Lifting prevention mechanism 41 Connection support member 42 Vertical pin 43 Connection arm 44 Spherical bearing 45 Horizontal axis 47, 48, 50 Guide roller 49 Anti-sway mechanism 51 Anti-floating mechanism

Claims (1)

[Claims] 1. A traveling rail laid along a floor of a traveling route and a traveling rack disposed on the traveling rail, wherein a driving bogie and a front and rear of the driving bogie are provided on the traveling rail. A plurality of guide rollers, which are rotatably provided with driven trucks connected via connecting members each having a universal joint, and which are rotatable by sandwiching a traveling rail on a traveling device of the driving truck, and A traveling drive unit including a traveling pinion meshed with a rack and a rotational driving device for the traveling pinion; a traveling support unit having a plurality of guide rollers rotatable by sandwiching a traveling rail; A connecting support member is provided for connecting the supporting portions to absorb the displacement of the traveling rail of the curved portion and restricting the vertical movement of the traveling supporting portion, and the traveling truck is sandwiched between the traveling rails and is free to roll. A traveling guide section having a number of guide rollers, and a boarding platform controlled by a posture control mechanism to be in an upright posture regardless of the inclination of the traveling rail, and a center of rotation of the boarding platform in the posture control mechanism. A transport trolley device, wherein the transport trolley is disposed close to the traveling rail.