JP2021175658A - Boarding bridge and method for constructing boarding bridge - Google Patents

Abstract

To stably support a tunnel part and a rotunda while maintaining a foundation of an existing stationary leg that supports the rotunda.SOLUTION: A boarding bridge includes: a tunnel part; a rotunda for connecting the tunnel part to a terminal building side; a columnar stationary leg 6 installed in a lower part of the rotunda to support the rotunda; a foundation 12 for supporting the stationary leg 6 with the ground; and a reinforcement member 13 having one end connected to a lateral surface of the stationary leg 6 and the other end fixed to the foundation 50 and being a compressed material that bears compressive force.SELECTED DRAWING: Figure 2

Description

The present disclosure relates to a boarding bridge and a method of constructing a boarding bridge.

A boarding bridge is, for example, a tunnel-like passage connecting an airport terminal building and an aircraft, allowing passengers to get on and off directly between the terminal building and the aircraft. The boarding bridge includes a plurality of tunnel portions (passage portions) fitted in a nested manner, and these tunnel portions expand and contract by moving relative to each other in the longitudinal direction. This allows for the various distances that occur between the terminal building and the aircraft.

The existing boarding bridge needs to be renewed, such as by replacing it with a new boarding bridge, due to aging. For example, an existing boarding bridge will be removed at an airport or other site, and a new boarding bridge will be newly installed at the same location.

The following Patent Document 1 discloses a technique of suppressing deformation of a bridge to be reinforced at the time of an earthquake and improving seismic performance by using a cable which is a reinforcing structure.

Japanese Unexamined Patent Publication No. 2008-196135

The boarding bridge is provided with a rotunda connecting the tunnel and the terminal building on the terminal building side of the tunnel, and fixed legs are fixed to the ground at the lower part of the rotunda. The weight of the existing boarding bridge and the new boarding bridge may differ depending on the material. For example, if the existing boarding bridge is made of aluminum alloy and the new boarding bridge is made of steel, the weight of the new boarding bridge will be heavier.

When the weight of the new boarding bridge is heavier, the strength of the existing fixed leg foundation may be insufficient due to reasons such as a large seismic load. In order to deal with the lack of strength, installing a new foundation for fixed legs not only costs money, but also requires removal and new construction of the foundation, which prolongs the construction period for boarding bridge renewal work and makes it possible for airports to renew. There is a problem that usage is restricted.

The present invention has been made in view of such circumstances, and is a boarding bridge capable of stably supporting the tunnel portion and the rotunda while maintaining the foundation of the existing fixed legs that support the rotunda. The purpose is to provide a method of constructing a boarding bridge.

In order to solve the above problems, the following means are adopted as the boarding bridge and the method of constructing the boarding bridge of the present disclosure.
That is, the boarding bridge according to the present disclosure includes a rotunda that connects the tunnel portion, the tunnel portion and the terminal building side, a columnar fixed leg that is installed under the rotunda and supports the rotunda, and the fixed leg. It is provided with a foundation for a fixed leg that supports the ground on the ground, and a reinforcing member that is a compression material that bears a compressive force by connecting one end to the side surface of the fixed leg and fixing the other end to the ground. ..

The method of constructing the boarding bridge according to the present disclosure includes a rotanda that connects the tunnel portion, the tunnel portion and the terminal building side, a columnar fixed leg that is installed under the rotanda and supports the rotanda, and the fixing. A method of constructing a boarding bridge having a fixed leg foundation that supports the legs on the ground, wherein the fixed leg is erected on the fixed leg foundation and the ground around the fixed leg foundation is formed. It includes a step of reinforcing, a step of connecting one end of a reinforcing member which is a compressive material that bears a compressive force to the side surface of the fixing leg, and a step of fixing the other end of the reinforcing member to the reinforced ground.

According to the present disclosure, it is possible to stably support the tunnel portion and the rotunda while maintaining the foundation of the existing fixed leg that supports the rotunda.

It is a top view (A) and a side view (B) which show the boarding bridge which concerns on one Embodiment of this disclosure. It is a vertical sectional view which shows the fixing leg and the reinforcing member of the boarding bridge which concerns on one Embodiment of this disclosure. It is sectional drawing which shows the fixed leg and the reinforcing member of the boarding bridge which concerns on one Embodiment of this disclosure. It is a partially enlarged vertical sectional view which shows the reinforcing member of the boarding bridge which concerns on one Embodiment of this disclosure. It is a vertical cross-sectional view which shows the 1st modification of the fixed leg and the reinforcing member of the boarding bridge which concerns on one Embodiment of this disclosure. It is a vertical cross-sectional view which shows the 2nd modification of the fixed leg and the reinforcing member of the boarding bridge which concerns on one Embodiment of this disclosure.

The boarding bridge 1 according to the embodiment of the present disclosure forms a passage for passengers between the terminal building side of the airport and the aircraft, connects the terminal building and the aircraft, and enables passengers to get on and off directly. do. The boarding bridge 1 moves, for example, between a standby position for preparing for connection before the arrival of the aircraft and a connection position when connected to the aircraft.

As shown in FIG. 1, the boarding bridge 1 rotates in the horizontal and vertical directions with respect to the Rotanda 2 fixedly provided near the terminal building main body or an accessory facility such as a fixed bridge leading to the terminal building. A movable tip tunnel 3b and a tip tunnel 3b that are nested and fitted to the outside of the base tunnel 3a on the tip side (aircraft side) of the base tunnel 3a and the base tunnel 3a that are possibly connected. A head 4 or the like fixed to the tip of the tunnel is provided.

A movable leg 5 is provided on the tip side of the tip tunnel 3b in the longitudinal direction. The movable legs 5 are provided with a pair of left and right columns 11 that are attached to both side surfaces of the tip tunnel 3b and extend in the vertical direction. At the lower part of the rotunda 2, fixed legs 6 are fixed to the ground 50 via the foundation 12 and installed. In the examples shown in FIGS. 2 and 3, the footing 20 is formed on the foundation 12. The footing 20 is formed on the bottom surface side, which is the lower side of the foundation 12, and the footing 20 has a larger cross-sectional area than the upper side of the foundation 12. The boarding bridge 1 is supported by the movable legs 5 and the fixed legs 6. The base end tunnel 3a and the tip end tunnel 3b form a tunnel portion 3, and the tunnel portion 3 and the head 4 can be moved by the movable legs 5.

The tip tunnel 3b moves along the base tunnel 3a. The total length of the tunnel portion 3 is extended by moving the tip tunnel 3b to the parking side of the aircraft, and the total length of the tunnel portion 3 is contracted by moving the tip tunnel 3b to the rotunda 2 side. The tunnel portion of the present disclosure is not limited to the combination of the two tunnel portions of the base end tunnel 3a and the tip end tunnel 3b, and may have three or more tunnel portions connected to each other and have a two-stage or more expansion / contraction mechanism. good.

The base end tunnel 3a can rotate around a rotation axis parallel to the vertical direction provided in the rotunda 2. Therefore, the base end tunnel 3a, the tip end tunnel 3b, and the head 4 can rotate in the horizontal plane around the rotation axis, for example, in the left-right direction.

The tip tunnel 3b moves in the longitudinal direction and the left-right direction of the proximal tunnel 3a and the tip tunnel 3b by driving the traveling portion 7 provided on the movable leg 5 and moving the movable leg 5.

The base end tunnel 3a is rotatable around a rotation axis parallel to the horizontal direction provided in the rotunda 2. The movable leg 5 can be adjusted in the height direction of the tip tunnel 3b by the elevating device 10. The elevating device 10 includes, for example, a motor and a ball screw mechanism. Therefore, the height of the movable leg 5 is adjusted, and the base end tunnel 3a, the tip end tunnel 3b, and the head 4 are tilted according to the height of the aircraft by rotating in the vertical direction about the rotation axis. NS.

Since the boarding bridge 1 expands and contracts in this way and rotates in the left-right direction and the up-down direction around the rotation axis provided in the Rotanda 2, the boarding bridge 1 is moved according to the parked state of the aircraft. Can be properly connected to the aircraft.

The head 4 has an opening formed on the tip side, and the tip side is connected to the boarding gate of the aircraft. Inside the head 4, the driving of the traveling unit 7 of the boarding bridge 1 is started or stopped, the traveling direction (steering angle) of the wheels 9 of the traveling unit 7 is operated, and the direction of the head 4 is operated. An operation panel (not shown) is provided for this purpose.

Inside the rotunda 2, the base tunnel 3a, the tip tunnel 3b, and the head 4 of the boarding bridge 1, a passage through which passengers pass is installed from the rotunda 2 toward the head 4.

The traveling unit 7 includes, for example, two rubber wheels 9 and a wheel driving unit (not shown) that rotationally drives the wheels 9. The two wheels 9 are fixedly attached to both ends of an axle that is rotatably supported around an axis parallel to the vertical direction. The wheel drive unit includes, for example, a traveling motor with a speed reducer or a transmission mechanism.
The traveling unit 7 is not limited to the above-mentioned example, and for example, only one set of two wheels 9 may be provided, or two sets of two wheels 9 may be provided.

The traveling speed of the traveling unit 7 can be adjusted by changing the rotation speed of the wheels 9. The turning angle (steering angle) of the wheel 9 in the traveling portion 7 with respect to the length direction of the tip tunnel 3b is the difference in the rotational speeds of the two wheels 9 and the rotational directions of the two wheels 9 (positive). It can be adjusted by changing the rotation or reversal).

Next, the reinforcing member 13 of the boarding bridge 1 according to the present embodiment will be described with reference to FIGS. 2 to 4.

In this embodiment, the reinforcing member 13 is connected to the fixed leg 6. The reinforcing member 13 is, for example, a steel plate-shaped member, which is a compression material having rigidity capable of withstanding a compressive force. One end of the reinforcing member 13 is connected to the side surface of the fixing leg 6, and the other end is fixed to the ground 50. The side surface of the fixed leg 6 and one end of the reinforcing member 13 are connected by welding, for example. As shown in FIGS. 2 and 3, the other end of the reinforcing member 13 is fixed to, for example, the ground 50 above the footing 20.

The reinforcing member 13 has a shape bent into a substantially L shape. As a result, a part of the load of the boarding bridge 1 is transmitted to the reinforcing member 13, and the reinforcing member 13 bears the compressive force. The shape of the reinforcing member 13 is not limited to the above-mentioned example, and may be another shape as long as the load can be transmitted.

A plurality of reinforcing members 13 are installed with respect to the fixed legs 6. In the example shown in FIG. 3, four reinforcing members 13 are installed at equal intervals in the circumferential direction of the fixed legs 6. Further, in the example shown in FIG. 3, the other ends of the four reinforcing members 13 are fixed to the ground 50 at positions where the distances from the centers of the fixing legs 6 are all the same. As shown in FIG. 3, it is desirable that the reinforcing member 13 is installed in the same direction as the four directions in which the foundation bolt 21 is embedded. The foundation bolt 21 fixes the fixing leg 6 to the foundation 12 via a flange portion 6A provided at the lowermost portion of the fixing leg 6.

The plurality of reinforcing members 13 do not necessarily have to be installed at equal intervals depending on the direction of the load acting on the fixed legs 6 and the arrangement of the equipment around the boarding bridge 1, and each reinforcing member 13 does not have to be installed at equal intervals. The shapes of the above do not have to be the same. For example, when the three reinforcing members 13 are installed on the fixed legs 6, the intervals between the three reinforcing members 13 are 180 °, 90 °, and 90 °, and the distance between the three reinforcing members 13 is 180 °, 90 °, and 90 °. In some cases, the reinforcing member 13 is installed only on the side.

When the other end of the reinforcing member 13 is fixed to the ground 50, it is fixed to the reinforcing ground 14 reinforced by, for example, mortar. The reinforcing ground 14 is laid around the foundation 12 at a position different from that of the existing foundation 12. The reinforcing ground 14 may be installed only at a position corresponding to the reinforcing member 13 to be installed, or may be installed in an annular shape around the foundation 12. If the existing ground 50 is strong, the reinforcing ground 14 is unnecessary. In this case, it is also possible to lay the base plate 15 directly on the upper surface of the ground 50 and place the reinforcing member 13 on the base plate 15. It is also possible to mount the reinforcing member 13 on the upper surface of the ground 50 without the need for the base plate 15.

In order to adjust the height of the reinforcing member 13 with respect to the reinforcing ground 14, a jack bolt 17 may be installed on the reinforcing member 13.

Specifically, a base plate 15 which is a metal plate-like member is installed on the upper surface of the reinforcing ground 14. Further, at the lower end of the reinforcing member 13, a flange 16 having a surface parallel to the ground surface is provided. A through hole 18 into which a jack bolt 17 is inserted is formed in the flange 16, and the nut 19 is fixed at the upper portion of the through hole 18 so that the axial directions of the through hole 18 and the screw hole of the nut 19 match. The jack bolt 17 is screwed with the nut 19. The jack bolt 17 and the nut 19 are examples of the height adjusting portion. The height adjusting unit of the present disclosure is not limited to the above-mentioned example, and a shim or spacer for adjusting the height may be used, and other commonly used techniques are adopted. You may.

When the lower end of the jack bolt 17 is brought into contact with the upper surface of the base plate 15 and the jack bolt 17 is tightened, the reinforcing member 13 is raised and the height of the reinforcing member 13 is changed. The configuration for adjusting the height of the reinforcing member 13 with respect to the reinforcing ground 14 is not limited to the above-mentioned example, and other configurations may be used.

Next, a construction method of the boarding bridge 1, particularly a construction method when the existing boarding bridge is replaced with a new boarding bridge 1 will be described.

When updating the existing boarding bridge to the new boarding bridge 1, first, the existing boarding bridge is removed. At this time, the foundation 12 used for the fixed leg supporting the rotunda is left unremoved.

Then, after the existing boarding bridge is removed, mortar or the like is laid in the ground 50 around the foundation 12 to install the reinforcing ground 14. As a result, the ground 50 around the foundation 12 is reinforced.

Further, in the newly installed boarding bridge 1, the reinforcing member 13 is connected to the side surface of the fixed leg 6. Next, the fixed legs 6 are fixed to the foundation 12 and erected in the direction perpendicular to the ground 50. As described above, the reinforcing member 13 may be connected to the fixed leg 6 before the fixed leg 6 is fixed to the foundation 12, and the present invention is not limited to this example, and the fixed leg 6 is connected to the foundation 12. It may be done after being fixed.

After that, the reinforcing member 13 is fixed to the reinforcing ground 14. According to the above construction method, the fixed leg 6 is supported by the ground 50 by the foundation 12, and is supported by the reinforcing member 13 against the ground 50.

When the jack bolt 17 is installed on the reinforcing member 13, the jack bolt 17 is screwed into the nut 19 provided on the flange 16 of the reinforcing member 13. Then, the jack bolt 17 is tightened while the lower end of the jack bolt 17 is in contact with the upper surface of the base plate 15. Then, by adjusting the degree of tightening of the jack bolt 17, the height of the reinforcing member 13 with respect to the reinforcing ground 14 is adjusted.

As described above, according to the present embodiment, the fixed leg 6 is supported by the ground 50 by the foundation 12, and is supported by the reinforcing member 13 with respect to the ground 50. The reinforcing member 13 is a compressive material that bears a compressive force, one end of which is connected to the side surface of the fixing leg 6 and the other end of which is fixed to the ground 50. As a result, the load acting on the foundation 12 of the fixed leg 6 can be reduced, and the support strength for the boarding bridge 1 can be increased without changing the foundation 12 of the fixed leg 6.

Since the other end of the reinforcing member 13 is fixed to the reinforced ground 50 around the foundation 12, the reinforcing member 13 receives a reaction force from the reinforced ground 50 and can more reliably bear the compressive force.

In the above-described embodiment, the case where the fixing position of the other end of the reinforcing member 13 is the same distance from the center of the fixing leg 6 for all the reinforcing members 13 has been described, but the present disclosure is not limited to this example. For example, as shown in FIG. 5, the fixing positions of the other ends of the plurality of reinforcing members 13 may include positions having different distances from the center of the fixing legs 6.

That is, the reinforcing members 13 are arranged, for example, in a double concentric circle around the fixed legs 6. As a result, unlike the case where the other end of the reinforcing member 13 is installed only on the fixed leg 6 side, the other end of the reinforcing member 13 is further installed on the outer side in the radial direction of the fixed leg 6, so that a plurality of reinforcing members are installed. 13 further contributes to resisting the overturning moment of the fixed leg 6. In particular, when the bearing capacity above the footing 20 is small, the fixing leg 6 is supported by combining the reinforcing member 13 fixed on the radial outer side of the footing 20 and the reinforcing member 13 fixed above the footing 20. Increases the contribution to resistance to the overturning moment.

The reinforcing members 13 may be arranged in three or more concentric circles. Further, the other end of the reinforcing member 13 located inside and the other end of the reinforcing member 13 located outside may be arranged in the same radial direction in the radial direction of the fixed leg 6 or the foundation 12, or may be arranged in different radial directions. May be placed in.

In the above-described embodiment, the case where the other end of the reinforcing member 13 is fixed to the ground 50 above the footing 20 has been described, but the present disclosure is not limited to this example. For example, as shown in FIG. 6, the other end of the reinforcing member 13 may be fixed to the ground 50 outside the footing 20. The outside of the footing 20 is the radial outside of the fixed leg 6 or the foundation 12 with respect to the outer peripheral surface of the footing 20. As a result, since the cross-sectional area of the footing 20 is small, when the other end of the reinforcing member 13 cannot be fixed above the footing 20 as shown in FIGS. 2 and 3, the reinforcing member 13 is attached to the ground 50 as shown in FIG. If it is fixed to the boarding bridge 1, the supporting strength for the boarding bridge 1 can be increased and the boarding bridge 1 can be stably supported.

The boarding bridge and the method of constructing the boarding bridge described in each of the above-described embodiments can be grasped as follows, for example.
The boarding bridge (1) according to the present disclosure includes a tunnel portion (3), a rotunda (2) that connects the tunnel portion and the terminal building side, and a columnar column that is installed under the rotunda and supports the rotunda. The fixed leg (6), the foundation for the fixed leg (12) that supports the fixed leg on the ground (50), one end is connected to the side surface of the fixed leg, and the other end is fixed to the ground. It is provided with a reinforcing member (13) which is a compressive material that bears the compressive force.

According to this configuration, the rotunda connects the tunnel part to the terminal building side, for example, the terminal building body or ancillary facilities (for example, a fixed bridge) leading to the terminal building body, and the rotunda is a columnar fixing installed under the rotunda. Supported by legs. The fixed leg is supported on the ground by the foundation for the fixed leg and is supported by the reinforcing member with respect to the ground. The reinforcing member is a compressive material that bears a compressive force, one end of which is connected to the side surface of the fixing leg, and the other end of which is fixed to the ground. As a result, the load acting on the foundation of the fixed leg can be reduced, and the support strength for the boarding bridge can be increased without changing the foundation of the fixed leg.

In the boarding bridge according to the present disclosure, the reinforcing member may be fixed to the reinforcing ground (14) whose other end is reinforced around the fixed leg foundation.

According to this configuration, the other end of the reinforcing member is fixed to the reinforced ground where the ground is reinforced around the foundation for the fixed leg, so that the reinforcing member receives a reaction force from the reinforced ground and is more reliably Can bear the compressive force.

In the boarding bridge according to the present disclosure, the reinforcing member may have height adjusting portions (17, 19) provided at the other end thereof and capable of adjusting the height with respect to the ground.

According to this configuration, the height of the reinforcing member with respect to the ground is adjusted by the adjusting portion provided at the other end of the reinforcing member. As a result, the reinforcing member is securely fixed to the ground, and the force is transmitted to the ground through the reinforcing member.

In the boarding bridge according to the present disclosure, the fixed leg foundation has a footing (20) formed on the lower side of the fixed leg foundation and having a larger cross-sectional area than the upper side of the fixed leg foundation. The other end of the reinforcing member may be fixed to the ground above the footing or outside the footing.

According to this configuration, a footing having a larger cross-sectional area than the upper side of the fixed leg foundation is formed on the lower side of the fixed leg foundation, and the other end of the reinforcing member is fixed to the ground above the footing. Or it is fixed to the ground outside the footing.

In the boarding bridge according to the present disclosure, a plurality of the reinforcing members may be installed with respect to the fixed legs, and a plurality of the reinforcing members may be installed along the circumferential direction of the fixed legs.

According to this configuration, a plurality of reinforcing members are fixed to the fixed legs, and the plurality of reinforcing members are installed along the circumferential direction of the fixed legs.

In the boarding bridge according to the present disclosure, the other ends of the plurality of the reinforcing members may be fixed to the ground at different distances from the center of the fixing legs.

According to this configuration, the other ends of the plurality of reinforcing members fixed to the fixed legs are fixed to the ground at different distances from the center of the fixed legs.

The method of constructing the boarding bridge according to the present disclosure includes a rotanda that connects the tunnel portion, the tunnel portion and the terminal building side, a columnar fixed leg that is installed under the rotanda and supports the rotanda, and the fixing. A method of constructing a boarding bridge having a fixed leg foundation that supports the legs on the ground, wherein the fixed leg is erected on the fixed leg foundation and the ground around the fixed leg foundation is formed. It includes a step of reinforcing, a step of connecting one end of a reinforcing member which is a compressive material that bears a compressive force to the side surface of the fixing leg, and a step of fixing the other end of the reinforcing member to the reinforced ground.

According to this configuration, the fixed leg is supported on the ground by the foundation for the fixed leg and is supported by the reinforcing member with respect to the ground. The reinforcing member is a compressive material that bears a compressive force, one end of which is connected to the side surface of the fixing leg, and the other end of which is fixed to the ground. As a result, the load acting on the foundation of the fixed leg can be reduced, and the support strength for the boarding bridge can be increased without changing the foundation of the fixed leg.

1: Boarding bridge 2: Rotunda 3: Tunnel part 3a: Base tunnel 3b: Tip tunnel 4: Head 5: Movable leg 6: Fixed leg 7: Running part 9: Wheel 10: Lifting device 11: Support 12: Foundation (fixed) Leg foundation)
13: Reinforcing member 14: Reinforcing ground 15: Base plate 16: Flange 17: Jack bolt (height adjustment part)
18: Through hole 19: Nut (height adjustment part)
20: Footing 50: Ground

Claims (7)

The tunnel part and
A rotunda that connects the tunnel and the terminal building side,
A columnar fixed leg installed under the rotunda and supporting the rotunda,
A foundation for fixed legs that supports the fixed legs on the ground,
One end is connected to the side surface of the fixed leg, and the other end is fixed to the ground.
A boarding bridge with. The boarding bridge according to claim 1, wherein the reinforcing member is the boarding bridge whose other end is fixed to the reinforced ground in which the ground is reinforced around the foundation for fixed legs. The boarding bridge according to claim 1 or 2, wherein the reinforcing member is provided at the other end and has a height adjusting portion capable of adjusting the height with respect to the ground. The fixed leg foundation is formed on the lower side of the fixed leg foundation and has a footing having a larger cross-sectional area than the upper side of the fixed leg foundation.
The boarding bridge according to any one of claims 1 to 3, wherein the other end of the reinforcing member is fixed to the ground above the footing or outside the footing. A plurality of the reinforcing members are installed on the fixed legs, and the reinforcing members are installed.
The boarding bridge according to any one of claims 1 to 4, wherein a plurality of the reinforcing members are installed along the circumferential direction of the fixed leg. The boarding bridge according to claim 5, wherein the other ends of the plurality of the reinforcing members are fixed to the ground at positions where the distances from the centers of the fixed legs are different. A rotunda that connects the tunnel portion, the tunnel portion and the terminal building side, a columnar fixed leg that is installed under the rotunda and supports the rotunda, and a foundation for a fixed leg that supports the fixed leg on the ground. It is a construction method of a boarding bridge having
The step of erection of the fixed leg on the foundation for the fixed leg, and
A step to reinforce the ground around the fixed leg foundation,
A step of connecting one end of a reinforcing member, which is a compressive material that bears a compressive force, to the side surface of the fixed leg, and
A step of fixing the other end of the reinforcing member to the reinforced ground,
Construction method of a boarding bridge equipped with.

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