JPH0692225A - Riding truck device - Google Patents

Abstract

PURPOSE:To force a riding truck device in a tunnel to take refuge in a groove between rails at need. CONSTITUTION:Axles 3 are disposed on both ends of a chassis 1 in such a manner as to be elevated and folded in association with an elevating driving device 2, and wheels 30 rolling on parallel rails 73, 73 are provided on both ends of the axles 3. In order to force a truck device to take refuge, the elevating driving device 2 is operated to lower the chassis 1 relatively to the axles 3 so that the truck device is stored in a groove 74 provided between the rails 73, 73. When from the time when the chassis 1 touches a footing plate 75, further the elevating driving device 2 is operated, the axles 3 are raised to float the wheels 30 from the rails 73, 73. With the wheels 30 floated from the rails 73, 73, the axles 3 are folded to store the wheels 30 in the groove width, and in the above condition, the elevating driving device 2 is operated to lower the axles 3 including the wheels 30, so that the whole of a riding truck device can be accommodated in the groove.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a passenger truck which is convenient to use when a worker moves inside a mine under construction by the shield construction method.

[0002]

2. Description of the Related Art Generally, in a mine under construction by a shield construction method, as shown in FIG. 9, as the construction progresses, a segment is lined in a tubular shape in a tunnel and a floor (71) is formed at the bottom.
Double-track rails (72) (72) (73) (73) are laid on the floor, and one rail (72) (72) is used to drive hydraulic equipment for a shield machine (not shown), sediment feeding equipment, etc. The trailing carriage group (9) equipped with the equipment is made to travel on the other rails (73) and (73), which is a transport carriage group (91) for loading materials such as segments or carrying unloaded sand.

The rails (73) and (73) for guiding the traveling of the transport carriage group (91) are also used as the rails of the moving passenger carriage device (8) for the worker. When the carriage group (91) travels, the passenger carriage device (8) must be removed from the rails and moved aside so as not to interfere with the travel.

The passenger trolley device (8) shown in FIG. 9 has been proposed by the applicant before (Japanese Patent Laid-Open No. 2874452/1993).
A groove (74) is formed between the rails (73) and (73), the drive carriage (81) is arranged in the groove (74), and the passenger carriage (82) is arranged on the rails (73) and (73). Mount the vertical carriage (84) on the drive carriage (81) to the passenger carriage.
A shaft (85) protruding from the lower surface of the (82) is fitted in such a manner that it can be inserted and removed.
The drive carriage (81) is equipped with a traveling motor and a battery, and is equipped with rubber wheels (8
3) Apply (83) and drive yourself.

The passenger trolley device (8) comprises a carriage group (91).
When passing through, lift the passenger truck (82) to drive it.
The engagement with the (81) is released, and the passenger truck (82) is retracted into a space that does not hinder the passage of the carriage group (91). Since the drive carriage (81) is housed in the groove (74) between the rails (73) and (73), it does not interfere with the traveling of the carriage group (91). Carrier truck group
After passing through (91), the passenger truck (82) is placed on the rails (73) and (73) again, and the shaft (85) is engaged with the receiving tube (84) of the drive truck (81) so that the rail (73) ( 73) Drive over.

[0006]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
When passing the carriage group (91), use only the passenger cart (82) on the rail (7
3) (73) Since it is possible to evacuate from the top, it is easier to handle than the trolley device that is evacuated from the rail as a whole, but the lifting work of the passenger trolley (82) puts a burden on the operator. It was a thing. The present invention clarifies a passenger truck device that can be retracted into a groove by power and then returned to a rail by power.

[0007]

According to the present invention, there is provided a passenger truck device of a chassis (1) which is long in the direction of the groove (74) between the parallel rails (73) (73) and whose length in the lateral direction is narrower than the groove width. Both ends are linked to the lifting drive device (2) and can be raised and lowered and foldable.
(3) is provided, wheels (30) rolling on parallel rails (73) (73) are provided at both ends of the axle (3), and the vehicle can run on the chassis (1) so that it can descend below the chassis. A tire (5) is provided and a motor (52) is connected to the running tire. Or, by omitting the running tire (5) and connecting the motor (54) to the axle (3),
Forcibly drive (30).

[0008]

[Action and effect] Extend the axle (3) and rail the wheels (30)
(73) The chassis (1) is placed on (73) and supported in a state of being floated from the groove (74). The running tire (5) descends by its own weight and contacts the scaffold plate (75) at the bottom of the groove. Running tires by motor (52)
When the wheel (5) is rotated, the chassis (1) is rubbed by the friction between the scaffold plate (75) made of lath with an uneven surface and the running tire (5).
Runs. Although the running tire (5) is free in the vertical direction, the running tire (5) is affected by the weight of the tire stand (51) and the motor (52) in addition to its own weight. You can grip (75) and drive.

When a group of transportation vehicles (91) loaded with materials and earth and sand passes through, a lifting drive device (2) is operated to operate the chassis.
Raise the axle (3) relative to (1). Axle (3)
Since the wheels (30) at both ends of the vehicle are grounded on the rails (73) (73) to support the entire bogie device, the height position of the axle (3) does not change, and the chassis (1) does not move with respect to the axle (3). ) Descends into the groove (74). The running tire (5) gets into the chassis (1).

When the chassis (1) contacts the scaffolding plate (75) and the elevator drive device (2) further operates, the axle (3) rises and floats above the rails (73) and (73). Rail wheels (30)
(73) While levitated from (73), the axle (3) is folded and the wheel (30) is housed within the groove width as shown by the chain double-dashed line in FIG. In the above state, the elevator drive device (2) is operated to move the wheels (30).
The axle (3) including the wheel is lowered and housed in the groove (74). By the above operation, the entire trolley device can be housed in the groove, and the transport trolley group (91) that also serves as the passenger trolley device and the rail can be passed through without trouble. The passenger trolley device retracted in the groove (74) can be placed on the rails (73) (73) by an operation reverse to the above.

As described above, the trolley device of the present invention can be removed from the rails (73) and (73) by power and can be retracted into the groove (74), and can also be moved on the rails (73) and (73) by power. Therefore, the burden on the operator required to save the trolley device can be significantly reduced. Incidentally, the method of retracting to the groove (74) is the same as the above for the passenger trolley device forcibly rotating the axle (3) while omitting the running tire (5).

[0012]

1 to 3 show a first embodiment in which traveling tires are used, and FIGS. 4 to 8 show a second embodiment in which an axle (3) is forcibly rotated. [First Embodiment] A chassis (1) of a passenger trolley device is formed into a horizontally long rectangle by connecting two side plates (11) and (11) in parallel by a plurality of stays (13) and (13). Axles (3) and (3) are provided so as to be able to move up and down, and wheels (30) are rotatably provided at both ends of the axle (3). The chassis (1) is formed in such a size that two workers can sit on the front and back of the chassis (1), and the width of the chassis (1) in the lateral direction is smaller than the width of the groove (74).

A running tire (5) is provided at the center of the chassis (1) so that it can be raised and lowered freely. Running tire (5) is a tire stand
The pedestal (51) is rotatably supported by the (51) and
(13) The guide posts (14), (14), (14), (14) installed upright on the top of the (13) can vertically move up and down. A running tire driving motor (52) is attached to the tire stand (51), and the running tire (5) is loaded with the weight of the tire, the tire stand (51) and the motor (52), Running tires (5)
Descends by its own weight and contacts the scaffold plate (75) at the bottom of the groove. Lifting drive device (2) for moving the axle (3) up and down in front of and behind the chassis (1)
Is incorporated.

The lifting drive device (2) is a side plate of the chassis (1).
(11) Support shafts (21) and (22) are supported in parallel in the vertical direction across the space between the support shafts (21) and (22), and the base ends are supported by the support shafts (21) and (22) to form two parallel links ( 23), (24), (23) and (24) are arranged outward, and the pedestal (4) for axles is pivotally connected to the pedestal (4) by straddling between the tips of two sets of parallel links. Support the axle (3). A lever (25) is provided on the support shaft (21) above the support shafts (21) and (22) so as to rotate integrally with the support shaft (21), and a rotation drive device is provided on the lever.
Connect (20). The lever (25) has two arc plates (25a) (25a) curved inward and downward from the support shaft (21), and a block (25b) is pivotally supported between the tips of the arc plates. The block
The rotation drive device (20) is connected to (25b).

The rotary drive device (20) pivotally supports a localization block (27) on the chassis (1) via a bracket (26) to prevent the block (27) from freely rotating and moving in the axial direction. The screw shaft (28) is inserted, and the tip end side of the screw shaft is screwed through the block (25b) on the lever (25). A motor (29) is connected to the base end of the screw shaft (28) via a rotation transmission device (not shown) such as a gear device.

The motor (29) is arranged on the screw shaft (28), and when the screw shaft (28) swings around the localization block (27), the motor (29) also swings together. A guide (29a) for preventing the motor (29) itself from rotating around the screw shaft (28) is fixedly provided on the chassis (1) in the swing path of the motor (29). When the screw shaft (28) is rotated by the motor (29), the lever (25) is rotated by the screw thrust, so that the support shaft (21) and the link (23) on the support shaft (21) are also rotated. The link (23) rotates in parallel with the lower link (24) to move the axle frame (4) up and down without changing its direction.

The axle mount (4) is a rod having a U-shaped cross-section with a front opening that is about the width of the chassis (1), and the axle (3) is attached to the groove (43) in the front opening. Is fitted and supported so that it can be folded. Bracket on back of axle rack (4)
(41) is projectingly provided, and the tips of the links (23, 24) are pivotally connected. The axle (3) of the embodiment is composed of two axle bodies, a long axle body (31) and a short axle body (32), and the base ends of each axle body (31) (32) are the axle mounts (4). It is fitted in the groove (43), is moved toward the center of the groove and is rotatably supported in the horizontal plane by the pivots (33) and (33). At the outer end of the axle body (31) (32), the axle mount (4)
Of the wheel (3
0) is attached. The axle mount (4) has each axle (3
1) A clamp pin (44) for holding the state where the (32) is extended in the direction orthogonal to the rail (73) is provided, and the pin is mounted on the axle mount.
By inserting through (4) and axle body (31) (32),
It is possible to prevent the axle bodies (31) (32) from being folded forward.

The chassis (1) is provided with a battery (16) which is a drive source of a motor (52) for driving a running tire and a motor (29) of an elevator drive device (2) for an axle, and these motors The ON-OFF switch (not shown) is provided on the operation handles (15) (15) provided in the front and rear of the chassis (1) so as to be capable of undulating. Although two operation handles (15) are provided, they are used properly according to the traveling direction of the carriage device, and the two handles are not operated simultaneously.

Then, the axle (3) is extended, the wheels (30) are placed on the rails (73) and (73), and the chassis (1) is supported in a state of being floated from the groove (74). The running tire (5) descends by its own weight and contacts the scaffold plate (75) at the bottom of the groove. When the running tire (5) is rotated by the motor (52), the chassis (1) runs due to the friction between the running tire (5) and the scaffold plate (75) made of lath having an uneven surface. Group of trucks loaded with materials and earth and sand
When (91) passes, the elevator drive device (2) is operated to raise the axle (3) relative to the chassis (1).

The wheels (30) at both ends of the axle (3) are rails (73) (7).
Since it is grounded to 3) and supports the entire bogie device, the axle (3)
The height position of the chassis does not change, and the chassis (1) with respect to the axle (3)
Descends into the groove (74). The running tire (5) gets into the chassis (1). From the moment the chassis (1) contacts the scaffolding plate (75), when the lifting drive device (2) further operates, the axle
(3) rises and rises from the rails (73) and (73). Wheel (30)
The clamp pin from the rail (73) (73).
Remove the (44) and fold the axles (31) (32) forward to remove the wheel.
Place (30) within the groove width.

In the above state, the lifting drive device (2) is operated,
The axle (3) including the wheels (30) is lowered and housed in the groove (74). Since the axle (3) is composed of long and short axle bodies (31) (32), the two wheels (30) at the outer ends of both axle pairs when folded
(30) does not overlap and can be stored compactly. By the above operation, the whole carriage device can be housed in the groove, and the carriage group (91)
Can be passed without hindrance.

[Second Embodiment] The second embodiment omits the running tire (5) of the first embodiment and rotationally drives the axle (3), and is similar to the first embodiment. Configuration chassis
The description of (1) and the lifting drive device (2) for the axle (3) is omitted. 4 and 5 show the center line L before and after the traveling carriage device.
Although only the front half is shown with the boundary as the boundary, the rear half has the same configuration. As shown in FIG. 5, an axle rotation motor (54) is provided on the chassis (1) between the left and right links (23) (23) of the axle lifting drive device (2).

As shown in FIG. 6, the axle (3) is an intermediate axle body (39).
A long wheel axle body (31) is connected to one end of the long wheel axle body (31) and a short wheel axle body (32) is pivotally connected to the other end so as to be foldable in the same plane.
Wheels (30) are attached to the tips of (31) and the short axle body (32) so as to be rotatable integrally with the axle body. The intermediate axle body (39) is a pillow block (34) provided at an intermediate portion of the axle plate-like base (4).
A sprocket (36), which is rotatably supported by (35) and is provided in the center of the axle body, and a chain sprocket (55) on the motor (54) are connected by a chain (56). Bearings (6) and (6) are provided on both sides of the gantry (4) to provide a long axle body (31) and a short axle body.
Support (32) in a detachable manner.

As shown in FIG. 7, the bearing member (6) is a rack for an axle.
The bearing block (61) fixed to (4) and the bearing block (6)
The retaining plates (65) (65) that are fixed by screws on both sides of 1) and the arc-shaped retaining member that rotates in the vertical plane within the bearing block (61).
(67) and a bearing housing (37) which is detachably fitted in the arcuate retaining member (67) and supports the axle body (31) through a bearing (38). A round hole (62) is formed in the bearing block (61) so as to extend in the horizontal direction, and the hole (62) has an opening (63) on the front surface with a width smaller than the diameter of the hole diameter. A vertical groove (64) is formed in the front surface of the bearing block (61) so as to pass through the upper and lower surfaces. The retaining plate (65) has a U-shaped notch opening at the front end with the same opening width as the front opening (63) of the bearing block (61).
(66) has been opened.

The arc-shaped retaining member (67) is provided on the bearing block (6
It is rotatably housed in the round hole (62) of 1), and the retaining plate (65)
Axial retaining is defined by. Arc-shaped retaining member
A U-shaped notch (68) is formed in (67) with the same opening width as the front end opening (63) of the bearing block (61), and a lever (69) is provided on the lower part of the notch (68). The opening width of the front end opening (63) of the bearing block (61) and the U-shaped notch (68) of the arcuate retaining member (67) corresponds to the outer diameter of the bearing housing (37). Bearing housing (37)
Is fitted into the axle body (31) via the bearing (38).
When the long axle (31) is extended outward around the pivot (33), the bearing housing (37) causes the front end opening (63) of the bearing block (61).
Fits into the U-shaped notch (68) of the arc-shaped retaining member (67).

The lever (69) is attached to the vertical groove (64) of the bearing block (61).
The lever (69) is rotated from the bottom to the top along the arrow so that the arc-shaped retaining member (67) is rotated by 180 °. This closes the front end opening (63) of the bearing block (61) and prevents the bearing housing (37) from coming out. Push down the stopper (60) provided on the upper surface of the bearing block (61) so that it can be undulated, and then lever (69).
To prevent falling. The operation of the motor (54) causes the axle (3)
Rotates to forcibly rotate the wheels (30) and travel on the rails (73) (73). Folding of the axle (3) is performed by the reverse operation to the above. The reference numeral (42) in FIGS. 4, 5 and 8 is the footrest of the driver. The present invention is not limited to the configuration of the above embodiment, and various modifications can be made within the scope of the claims.

[Brief description of drawings]

FIG. 1 is a side view of a first embodiment.

FIG. 2 is a plan view of the above.

FIG. 3 is an operation explanatory view of the lifting drive device.

FIG. 4 is a side view of the second embodiment.

FIG. 5 is a plan view of the above.

FIG. 6 is a cross-sectional view of the above axle support structure.

FIG. 7 is an exploded perspective view of the bearing device.

FIG. 8 is a vertical cross-sectional view of a bearing device.

FIG. 9 is a cross-sectional view of the inside of a tunnel pit.

[Explanation of symbols]

 (1) Chassis (2) Lift drive (23) Link (24) Link (3) Axle (30) Wheel (4) Axle rack (5) Running tire (6) Bearing tool

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Yoshiharu Miyamoto, Inventor Yoshiharu Miyamoto, 11-11-16, Nishiokamoto, Higashinada-ku, Kobe City, Hyogo Prefecture (72) Takanao Chinen 4-57-403 Senriyama, Suita City, Osaka Prefecture

Claims (3)

[Claims] 1. Parallel rails (7) arranged with a groove (74) in between.
3) (73) A self-propelled trolley, long in the groove direction,
Axles (3) are provided at both ends of the chassis (1) whose length in the lateral direction is narrower than the groove width, linked to the lifting drive device (2) so as to be able to move up and down and foldable. Parallel rail (7
3) Wheels (30) rolling on (73) are provided, a traveling tire (5) is provided on the chassis (1) so as to be able to descend below the chassis, and a motor (52) is attached to the traveling tire. Passenger trolley device linked together. 2. Parallel rails (7) arranged with a groove (74) in between.
3) (73) A self-propelled trolley, long in the groove direction,
Axles (3) are provided at both ends of the chassis (1) whose length in the lateral direction is narrower than the groove width, linked to the lifting drive device (2) so as to be able to move up and down and foldable. Parallel rail (7
3) The wheels (30) rolling on (73) are provided, and the motor is attached to the axle (3).
Passenger trolley device connecting (54). 3. A lifting drive device (2) has support shafts (21) (22) arranged in parallel vertically on a chassis (1) and supported by the support shafts so as to be rotatable in a vertical plane. The parallel links (23) and (24) are provided, the axle mount (4) is attached to the free ends of the parallel links, and the axle (3) is supported on the mount (4).
1) A lever (25) is projectingly provided on one of the support shafts (21) of (22) and the rotation drive device (20) is connected to the lever, and the lever (25) and the support shaft
(21) and the link (23) on the support shaft rotate together to form an axle
The passenger truck according to claim 1 or 2, wherein (3) is raised and lowered.