JPH05163701A - Girder setter for monorail track - Google Patents

Abstract

PURPOSE:To greatly shorten the construction period by a method in which track girders are moved from optional positions for installation by transporting them on the already set track girders. CONSTITUTION:In a combination of an operable front truck A and an operable rear truck B, each having the same structure, both the trucks have a space through which they can pass through an existing monorail track beam 2A in the central front and back axial direction. On the four corners of a frame 1 having a guide wheel in contact with the sides of the existing monorail track beam on both sides of the space, wheels 5 are set. Mean time, a table 17 having a hanging frame 24 movable laterally to hang upwards the monorail track beam set on the frame above the existing monorail track beam and having lift-up and down means is provided. The monorail track beam lifted when trucks run is supported and put on a hanging frame when setting it by means of a load receiver provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a monorail that can safely carry and erect a monorail track girder into a tunnel or a valley where a lifting machine such as a truck lane cannot be used, and can also be erected from any location. Track girder erection machine.

[0002]

2. Description of the Related Art Conventionally, monorail track girders (hereinafter simply referred to as track girders) are installed in places such as tunnels and valleys where direct installation by truck crane vehicles is not possible. Was done in. This erection means lays a rail for transporting track girders from the front of the tunnel or the valley where the truck crane can not be used to the deepest part, and transports the track girders one by one to the deepest part by the Toro truck, The track girder is hoisted and moved to a mobile gate crane standing by at a predetermined position, after which the Toro dolly is withdrawn, and the track girder is suspended by the operation of the gate crane on the pre-installed paddle seat. The shoe and the shoe seat are connected and fixed to each other. By repeating this procedure, the track girders are erected one by one from the deepest part in the tunnel toward the front, and the monorail is completed.

[0003]

In the above-mentioned prior art track girder erection means, it is necessary to complete the entire length of the tunnels and valleys, and to manufacture the track girders sequentially from the deepest part. If the 2 conditions are not met, construction cannot be done. The reason is, for example, that the tunnel is completed from the front and the back is not completed, and that the rail laying has not advanced to the deepest part of the tunnel. If it is not manufactured according to the above, if it is erected from before the tunnel or from the middle part,
This is because the track girder cannot be transported while passing over the already installed track girder. Therefore, such a conventional erection means has a serious problem that not only the work of removing the laid rail is required, but also the construction period is prolonged due to the above-mentioned restrictions.

An object of the present invention is to install and erect a track girder from an arbitrary location by means of transporting and erection means of an erected track girder capable of passing over an existing track girder, thereby achieving a drastic reduction in construction period. Especially.

[0005]

The structure of the present invention for solving the problems of the prior art comprises a set of a self-propelled and steerable front bogie and a rear bogie having the same structure. In the axial direction, a space that can pass over the existing monorail track girder is formed, and guide wheels that contact the side surfaces of the existing monorail track girder are provided on both sides of this space, and wheels are arranged at the four corners of the frame. On the other hand, on the above frame,
A table with a traversing frame that suspends the erected monorail track girder above the existing monorail track girder and a lifting and lowering means is provided, and the monorail track girder that is lifted during traveling of the bogie is mounted and supported. The load receiving means for depositing in the suspension frame at the time of erection is provided.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, details of embodiments of the present invention will be described with reference to the drawings. 1 is a partially omitted side view of the device of the present invention, FIG. 2 is a side view of a bogie, FIG. 3 is a plan view of the same as above, FIG. 4 is a front view of a bogie in a tunnel, FIG. 5 is a front view of a suspension frame, and FIG. Is a side view of the same as above, FIG. 7 is a front view of a load-bearing beam part, FIG. 8 is a side view of a main part of a track girder, FIG. 9 is a front view of the same as above, and FIGS. 25 to 28 are flow charts for constructing a curved track girder.

As shown in FIG. 1, the apparatus of the present invention is composed of a set of a front carriage A and a rear carriage B which are in the opposite directions and have the same structure. Hereinafter, the configurations of the two carriages A and B will be described.

The details of both carriages A and B will be described with reference to FIGS. 2 to 7. Reference numeral 1 is a frame which constitutes a carriage having a gate structure in the front shape, as is clear from FIG. A space portion 3 that can pass over the existing track girder 2a is formed in the center portion in the front-rear axis direction. Then, as shown in FIG. 4, inside the left and right vertical frame portions 1a forming the space portion 3, a plurality of guide wheels 4 for contacting with and guiding the side surfaces of the existing track girders 2a are attached. Wheels 5 that can be raised and lowered are provided at the four corners of the frame 1, respectively.

The structure of the wheel 5 which can be raised and lowered will be described. As is apparent from FIG. 2, a pedestal 6 is rotatably supported by the lower surfaces of the four corners of the frame 1, and the pedestal 6 is rotatably supported. A wheel support 7 having a frame structure in which the wheel 5 is mounted on the front end.
The front end of the wheel is pivotally mounted, and a lift jack 8 using a hydraulic pressure as a drive source is provided between the rear end of the wheel support 7 and the rear end of the pedestal 6. By driving the lift jack 8, the base 6, that is, the ground contact point of the wheel 5 as a power point,
The frame 1 is lifted up. As shown in FIGS. 12 to 28, this mechanism is adapted when there is a step on the track on which the wheels 5 are mounted, and is used when the erection track girder 2 is installed on the gear seat 9.

Of the wheels 5, the wheels 5 attached to the rear left and right of the frame 1 are each provided with a hydraulic motor 10 at the front of the pedestal 6, and a sprocket is attached to a hydraulic motor shaft 11 of the hydraulic motor 10. 12 and the sprocket 14 provided on the shaft 13 of the wheel 5 are connected to the chain 1
5, the wheels 5 are driven so that the carriages A and B can move by themselves.

A lifter 1 having an expander structure is provided between the left and right vertical frame portions 1a constituting the frame 1.
6 is installed and installed. The lifter 16 includes two lifter levers 16a and 16a whose intermediate points are axially supported by each other.
b, the lower end of the one lifter lever 16a is pivotally supported on the vertical frame portion 1a, and the upper end of the other lifter lever 16b is pivotally supported on the lower surface of the front end portion of the table 17. A guide wheel 19 rolling along a guide rail 18 attached to the lower surface of the rear portion of the table 17 is provided at the upper end of the one lifter lever 16a.
At the lower end of the other lifter lever 16b, guide wheels 21 that roll along guide rails 20 provided on the rear upper surface of the vertical frame portion 1a are pivotally supported. 22
Is a lift jack using a hydraulic pressure as a drive source, which is interposed between a portion slightly below the pivotal fulcrum of the left and right lifter levers 16a and below the left and right vertical frame portions 1a.
The table 1 is driven by the driving action of the lift jack 22.
7 is vertically moved up and down, that is, lifted and lowered while maintaining the horizontal posture. Reference numeral 23 in the figure denotes a connecting member that connects the upper ends of the left and right lifter levers 16a and 16b.

On the table 17, the track girder 2 to be installed is installed.
A suspension frame 24 for holding and supporting is suspended. The structure of the suspension frame 24 will be described. The table 17 has a box structure, and the table 17 has a suspension body which is moved by a hydraulic cylinder 25 in a lateral direction orthogonal to the traveling directions of the carriages A and B. 26 is built in, and the suspension 26 is provided with a rolling wheel 27 that rolls on a guide rail (not shown). In addition, the suspension rod 2 is provided at the center of the suspension body 26.
The upper end of 8 is connected, and the suspension rod 28 can traverse along a slit (not shown) provided in the table 17. In addition, the lower end of the suspension rod 28 is connected to the upper end of a connecting rod 29 that is detachable from the upper beam 24a that constitutes the suspension frame 24.

At both ends of the upper beam 24a, as shown in FIG. 5, a suspension rod 24b slightly longer than the height of the track girder 2.
The upper end of the upper and lower ends of the upper and lower ends are pivotally supported, and a lower beam 24c is vertically detachably attached between the lower ends of the left and right suspension rods 24b. Further, a large number of connecting holes 24d are formed in the upper beam 24a constituting the suspension frame 24 at appropriate intervals, and the upper beam 24a and the connecting rod 29 are connected by pins 24e inserted into the connecting holes 24d. And are combined. Then, for example, when the curved track girder 2 having a curvature installed on the curve of the track is transported, in order to prevent the suspension frame 24 from tilting due to the movement of the center of gravity, the connection rod 29 and the upper beam 24a are appropriately connected. The position is balanced so that the suspension frame 24 holding the track girder 2 can always maintain a vertical posture.

In order to adjust the vertical movement of the upper beam 24a of the suspension rod 24b, a plurality of through holes 24f are provided in the upper and lower directions of both suspension rods 24b, and a through hole 24g adapted to the through holes 24f is formed in the upper beam 24a. Formed on both ends of the
It is performed by fitting 4f and 24g and inserting the pin 24h. Further, the vertical movement adjustment of the lower beam 24c with respect to the suspension rod 24b is made by adapting a plurality of through holes 24i provided in the lower vertical direction of both suspension rods 24b and through holes 24j provided at both ends of the lower beam 24c, Pin 2 is inserted into both through holes 24i and 24j.
It is carried out by inserting 4k. This adjustment is performed by changing the height of the track girder 2 to be transported.

A stay 30 having a top portion higher than the top portion of the existing track girder 2a is vertically installed on both of the vertical frame portions 1a slightly forward of the suspension position of the suspension frame 24. One end of the beam 31 is rotatably supported. Further, as shown in FIG. 7, the other end of the load receiving beam 31 is provided with a through hole 31a adapted to the locking hole 30a provided on the top surface of the other stay 30, and the pin 32 is inserted into both holes. As a result, the cargo receiving beam 31 is bridge-fixed between the left and right stays 30.

A turntable 33 is mounted on the upper surface of the load-carrying beam 31 to rotatably support the erected track girder 2 being transported, and the track girder is used when the bogies A and B are running to shake or curve. Two
The movement of is absorbed. Further, upward hook portions 33a are provided on both left and right ends of the turntable 33, and a wire 35 having a lever block 34 is hooked between the both hook portions 33a and fixed to the turntable 33 as shown in FIG. The track girder 2 is bound to prevent accidents where the track girder 2 falls and falls during transportation.

At the front portion of the frame 1, the lift jacks 8 and 22, the hydraulic motor 10, and a power unit 36 having an engine, an oil pump, etc., which is a power source for the hydraulic cylinder 25 and the like, and an operation for controlling each function. Board 3
7 and a steering mechanism 38 using the hydraulic pressure of the wheels 5 are mounted. Further, the steering mechanism 38 includes the front wheels and the rear wheels 5.
Each of them is configured to be able to steer independently, so that it can cope with a complicated movement required in a narrow place or installation positioning.

Further, as shown in FIGS. 8 and 9, a trough 39 is provided on each of the lower surfaces of both ends of the track girder 2. This shoe 3
Reference numeral 9 includes a downward U-shaped gear piece 39a fixed to the lower surfaces of both ends of the track girder 2 and an upward U-shaped gear piece 39b pivotally supported by a pin 40 on the gear piece 39a.
A hole 41 having a rectangular planar shape is formed in the center of b. Reference numeral 42 denotes an anchor frame embedded at every required interval of the gear seat 9, and the hole 41 is fitted into a prism 43 standing upright in the anchor frame 42 from above, and the track girder 2 is erected on the gear seat 9. Fixed.

Reference numeral 44 shown in FIG. 1 is a communication cable for connecting the front carriage A and the rear carriage B. The speed of the front carriage A and the rear carriage B is synchronized with each other, and the front and rear carriages A and B are transferred during transportation of the track girder 2. Operators on board communicate with each other using communication devices,
Steering, tilting of the trolley due to the lifting and lowering action of the wheels 5, and trolleys A and B at the time of engagement between the trough 39 and the anchor frame 42.
This is to allow smooth adjustment of the longitudinal movement of the. After the erection work is completed, the communication cable 44 is removed, and the carriages A and B return to the loading place of the track girder 2 by traveling alone.

By the way, the track girder 2 is made of PC concrete and has a height of 1.5 m, a width of 0.8 m, a length of 20 m and a weight of 4 m.
The standard is about 5 tons. When the track girder 2 is erected, phase lifting work is performed by a lifting machine such as a truck crane in the aboveground part, but the lifting machine cannot be used in a tunnel or a valley part. The construction is carried out by trolleys A and B having a erection function.

[0021]

[Description of Operation] Next, with reference to Figs. As shown in FIG. 10, the track girder 2 manufactured at the factory or on site is operated by the gate type crane 46 traveling on the rail 45.
As described above, it is carried in to a loading place provided in front of the entrance of the tunnel 47 and temporarily placed. Then, the front carriage A and the rear carriage B are taken in such that the front and rear ends of the temporarily placed track girder 2 are sandwiched. At this time, the tables 17 of the two carriages A and B and the suspension frame 24 are lifted by the lifter 16, the lower beam 24c of the suspension frame 24 is removed, and the load receiving beam 31 is moved by the carriages A and B. It is rotated and retracted in that direction. (See Figure 12)

In this state, the hanging frame 24 is lowered by the lowering action of the lifter 16, and the hanging frame 24 is put on the track girder 2 as shown in FIG. 13. Then, as shown in FIG. The lower beam 24c is bridge-connected between the lower ends of the suspension rods 24b. In this way, after both ends of the track girder 2 have been taken in so that they can be supported by the lower beams 24c of the suspension frame 24, as shown in FIG. 15, the lift jacks 22 are lifted by the action of the lift jacks 22, and the lifter 16 shown in FIG. So that the receiving beam 31
It rotates and is inserted below the track girder 2, and the floating end of the load bearing beam 31 is pin-connected to the stay 30. Then
The lifter 16 is slightly lowered, and both ends of the track girder 2 are mounted and supported on the turntable 33 provided on the load-bearing beam 31. Then, the lifter 16 is provided between the hook portions 33a provided at both ends thereof. The wire 35 having the lever block 34 is hooked and the track girder 2 is bound to the turntable 33 as shown in FIG.

After the track girder 2 is bridge-supported between the front and rear bogies A and B, a communication cable 44 is connected between the bogies A and B as shown in FIG. All the preparatory work ends when the crew members are allowed to communicate with each other. Next, the track girder 2 is transported by driving the hydraulic motors 10 of the front carriage A and the rear carriage B.

The trolleys A and B which have been operated to the erected portion in the tunnel 27 in the posture shown in FIG. 18 are stopped at the installation position as shown in FIG. 19, and in this state, the track girder 2 is bound by the wire 35. solve. Then, the suspension frame 24 is slightly lifted by the lifting action of the lifter 16 and the track girders 2 mounted and supported on the turntable 33 are again deposited on the lower beam 24c of the suspension frame 24, and then shown in FIG. As described above, the pin connection of the load-bearing beam 31 is released, and the load-bearing beam 31 is turned by 90 ° and retracted from the lower surface of the track girder 2.

Next, as shown in FIG. 21, the suspension jack 24 is lowered by the lowering action of the lift jack 22 via the lifter 16, and the lever 3 of the shoe 39 provided on the lower part of the front and rear ends of the track girder 3 is pulled down.
The prism 41 of the anchor frame 42 is provided in the hole 41 provided in 9b.
The track girder 2 is installed by inserting and fitting the trough 39 and the anchor frame 42 with bolts (not shown). In addition, the engagement between the shoe 39 and the anchor frame 42 is performed by a traverse mechanism incorporated in the table 17 in the lateral direction, and by the forward / backward adjusting action of the carriages A and B in the longitudinal direction.

As described above, when the work for mounting the track girders 2 is completed, as shown in FIG. 22, the suspension frame 24 is lowered until it floats on the track girders 2, and then the lower beam 24c is removed.
Then, as shown in FIG. 23, the lifting frame 2 is lifted by the lift jack 22.
4 is lifted and retracted to a height that does not hit the erected track girder 2, that is, the posture of FIG. 12 is restored. Then, after removing one end of the communication cable 44 connected between the two carriages A and B and taking it into one of the carriages A or B, the two carriages A, B
B each returns to the loading place of track girder 2 by traveling independently. The track girder 2 is installed as shown in FIG.

Next, the erection work of the curved track girder will be described with reference to FIGS. Since the curved track girder 2 is installed on the track, that is, the curved anchor frame 42, the anchor frame 42 is inclined downward toward the center point of the curvature of the curve as shown in the drawing, and is particularly illustrated. Although not shown, the plane shape of the track girder 2 is an arc shape.

Since the center of gravity of the straight track girder 2 and the curved track girder 2 are biased to one side, when the track girder 2 is held in the suspension frame 24 and lifted as shown in FIG. 14, the suspension frame 24 tilts to one side. .. This hinders the transportation work by the trolleys A and B, so that the connecting portion between the upper beam 24a of the hanging frame 24 and the connecting rod 29 that connects the hanging rod 28 is moved to move the hanging frame 24.
It is necessary to adjust the amount of eccentricity such that
Therefore, the pin 24e is pulled out, the connecting rod 29 is fitted into the connecting hole 24d corresponding to the position where it can be balanced, and both are connected by the pin 24e. As shown in FIGS. And

Then, as shown in FIG. 25, the cargo receiving beam 31
26, the load receiving beam 31 is swung 90 ° to retract from the lower surface of the track girder 2, and then the suspension frame 24 is lowered as shown in FIG. Touch the anchor frame 42 of. Then, while suspending the suspension frame 24 in the left direction of the paper, the suspension frame 24 is further lowered,
As shown in FIG. 27, the shoe 39 and the anchor frame 42 are engaged with each other. This fitting operation is performed by the lateral adjustment action by the traverse mechanism incorporated in the table 17 and the longitudinal movement adjustment action by the carriages A and B.

In this way, when the work for mounting the track girders 2 is completed, the lower beams 24c are removed after the suspension frames 24 are slid down to the track girders 2 and then the suspension frames 24 are removed. It rises and retracts to a height that does not hit, that is, it returns to the posture shown in FIG. After that, one end of the communication cable 44 connected between the two bogies A and B is removed and taken into either one of the bogies A or B, and then both the bogies A and B are independently run and the track girder 2 is used. Return to the loading place. The curved track girder 2 is installed as shown in FIG.

The carrying step of the curved track girder 2 is the same as the carrying means of the linear track girder 2 described above, that is, the means shown in FIGS. 10 to 20, and therefore detailed description thereof will be omitted.

In addition, the carriage A, straddling the already installed track girder,
When operating B, release the hydraulic steering and set the guide wheels 4
And the guide action of the installed track girder 2.

[0033]

As described above, according to the configuration of the present invention, the following effects can be obtained. (A) Compared with the prior art, since there is no rail laying or removal work, the construction period can be greatly shortened. (B) The production of track girders is not restricted by the erection order,
For example, it is possible to construct curved track girders after the completion of erection of straight track girders, and vice versa. Since this is possible, the construction period can be further shortened.

[Brief description of drawings]

FIG. 1 is a partially omitted side view of a device of the present invention.

FIG. 2 is a side view of a truck.

FIG. 3 is a plan view of a carriage.

FIG. 4 is a front view of a truck in a tunnel.

FIG. 5 is a front view of a suspension frame.

FIG. 6 is a side view of a suspension frame.

FIG. 7 is a front view of a cargo beam receiving mechanism.

FIG. 8 is a side view of a portion of the track girder.

FIG. 9 is a front view of the track girder.

FIG. 10 is a side view showing a state where the linear track girder is transferred by the gate crane.

FIG. 11 is a plan view showing a relationship between a track girder and a trolley at a track girder loading place.

FIG. 12 is an explanatory diagram showing an initial set of suspension frames for track girders.

FIG. 13 is an explanatory diagram of a posture in which the suspension frame is covered on the track girder.

FIG. 14 is an explanatory diagram showing a state where a lower beam is attached to the suspension frame.

FIG. 15 is an explanatory diagram of a state in which a track girder is lifted and lifted by a hanging frame.

FIG. 16 is an explanatory diagram showing a state in which the track girder is provided on the turntable of the load-bearing beam.

FIG. 17 is an explanatory diagram of a state in which a track girder is wire-wound on a turntable.

FIG. 18 is a side view of a transportation state in which a communication cable is connected between the front and rear carriages.

FIG. 19 is an explanatory diagram of a state in which the vehicle is stopped at the installation position in the tunnel.

FIG. 20 is an explanatory diagram of a state where the cargo receiving beam is avoided.

FIG. 21 is an explanatory diagram showing a state in which the track girder is slung down on the chair.

FIG. 22 is an explanatory diagram showing a state where the lower beam is removed from the suspension frame.

FIG. 23 is an explanatory diagram showing a state where the suspension frame is lifted up.

FIG. 24 is an explanatory diagram of a completed installation state.

FIG. 25 is an explanatory diagram showing a state immediately before the lowering of a curved track girder.

FIG. 26 is an explanatory diagram showing a state where the suspension frame is lowered and the track girder is touched on the chair.

FIG. 27 is an explanatory view showing a state in which the orbital girder and the anchor frame are set by traversing the suspension frame.

FIG. 28 is an explanatory diagram of a completed installation state.

[Explanation of symbols]

 A front bogie B rear bogie 1 frame 1a vertical frame part 2 track girder 2a existing track girder 3 space part 4 guide wheel 5 wheel 6 base 7 wheel receiver 8 lift jack 9 bucket 10 hydraulic motor 11 hydraulic motor shaft 12 sprocket 13 shaft 14 Sprocket 15 Chain 16 Lifter 16a Lifter lever 16b Lifter lever 17 Table 18 Guide rail 19 Guide wheel 20 Guide rail 21 Guide wheel 22 Lift jack 23 Connecting member 24 Hanging frame 24a Upper beam 24b Hanging rod 24c Lower beam 24d Connecting hole 24e Pin 24f Pin 24f Hole 24g Through hole 24h Pin 24i Through hole 24j Through hole 24k Pin 25 Hydraulic cylinder 26 Suspension body 27 Rolling wheel 28 Suspension rod 29 Connecting rod 30 Stay 31 Load receiving beam 32 pin 33 Rotating plate 33a Hook portion 34 Lever block 35 wire 36 power unit 37 operation panel 38 steering mechanism 39 gear 39a gear piece 39b gear piece 40 pin 41 hole 42 anchor frame 43 prism 44 communication cable 45 rail 46 gantry crane 47 tunnel

Front page continued (72) Inventor Ryuichi Sakai 8-8-31-203 Suzuya, Yono City, Saitama Prefecture (72) Inventor Shinetsu Okuda 4-62-3-107 Narashinodai, Funabashi City, Chiba Prefecture (72) Inventor Takao Kawamura 6-206 Miyazaki, Miyazaki-ku, Kawasaki-shi, Kanagawa Prefecture 6-206 (72) Inventor Masahiko Takimoto 1064-10 Kamiwa, Noda-shi, Chiba Prefecture (72) Inventor Kaoru Fuji 1-39-2-709, Higashishinagawa, Shinagawa-ku, Tokyo ( 72) Inventor Toshiho Togaki 89 Kaedebu, Kasukabe-shi, Saitama 89 Wusato housing complex 6 block 22 Building 207 (72) Inventor Sadao Yoshioka 1-41-15 Matsushima, Edogawa-ku, Tokyo

Claims (1)

[Claims] 1. A space portion which comprises a set of a self-propelled and steerable front and rear bogie having the same structure, wherein both bogies can pass through an existing monorail track girder in the central longitudinal direction. The wheels are arranged at the four corners of the frame where the guide wheels contacting the side surfaces of the existing monorail track girders are formed on both sides of this space, while the monorail track girders to be installed on the frame are installed on the existing monorail. A table with a traversing hanging frame that can be hung above the track girder and lifting and lowering means is provided, and the monorail track girder lifted during traveling of the bogie is mounted and supported, and is deposited in the hanging frame during erection. A monorail track girder erection machine characterized by being configured with a means for receiving cargo.