JP2932417B2 - Guide device for large doors for hangars - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a guide device for a large door for a hangar, and particularly to a large door on the front side and a small door (tail) for passing a vertical tail, such as a hangar of an airplane. The present invention relates to a large hangar door guide device having an improved opening / closing mechanism for a large hangar door having a door or a tail wing door.

[0002]

2. Description of the Related Art A conventional guide device for a large hangar door will be described with reference to FIGS. FIG.
FIG. 2 is a front view of a conventional hangar 1 for an airplane, for example, showing a large door opening 2 formed on the front surface, and a small door opening 3 formed partially above the large door opening 2. Is formed. A plurality of large doors 4 can be opened and closed in the left-right direction in the drawing in the large-door opening 2, and small doors can be opened in the small-door opening 3 so that a locally high vertical tail or the like of the airplane can be passed through. 5 can generally be opened and closed temporarily upward. In such a hangar 1, after opening the large door 4, the small door 5 is opened to store and retrieve the airplane.

FIG. 17 is a front view of a guide device 6 for a large door for a hangar, and FIG. 18 is a side view thereof. The guide device 6 for a large door for a hangar is provided on the ground side and the lower end of the large door 4. And a drive wheel 8 and a driven wheel 9 for opening and closing the large door 4 on the ground side rail 7 provided on the large door 4 and provided on the building (hangar 1) side. The building includes a building-side guide frame 10 that supports the upper end of the door 4, and a large door guide support mechanism 11 (hereinafter, referred to as a “pogo stick”) that guides and supports the large door 4 to the building-side guide frame 10.

[0004] The building-side guide frame 10 prevents the large door 4 from falling down and supports the wind pressure applied to the large door 4 to guide the traveling of the large door 4.

The pogo stick 11 has a structure capable of absorbing uplift of the roof of the hangar 1 due to wind pressure, subsidence due to snow cover, subsidence of the ground, and the like.
This prevents the large door 4 from falling down and ensures smooth opening and closing movement of the large door 4.

FIG. 19 is a longitudinal sectional view of the pogo stick 11.
FIG. 20 is a view taken along the line XX of FIG. 19, and two pogo sticks 11 are provided for each large door 4 (FIG. 17), and a spindle 12 fitted into the large door 4 from above, and a head of the spindle 12 A crosshead 15 fixed via a bearing 14 by a nut 13, and a horizontal roller 16 and a vertical roller 17 attached to the crosshead 15.

The spindle 12 is suspended from the crosshead 15 and is supported by a pair of bushes 18 in the longitudinal direction so as to be vertically movable and rotatable with respect to the large door 4. By changing the vertical position relative to the large door 4 with traveling in the direction perpendicular to the sheet of paper, the distance between the large guide 4 and the building-side guide frame 10 is finely adjusted, and the stability of the large door 4 is maintained. House side guide frame 10
Large door 4 while being able to cope with distortion due to aging
Are guided and supported.

[0008] The horizontal roller 16 is used when the large door 4
Wind pressure, seismic force perpendicular to the large door 4 and the large door 4
The vertical rollers 17 support the weight of the crosshead 15 and the spindle 12.

FIG. 21 is a front view in which the building-side guide frame 10 for guiding the pogo stick 11 is located in the small door opening 3 to the small door 5, and FIG. 22 is XXII in FIG.
It is a line sectional view and cuts and separates the building side guide frame 10 at the lower end portion of the small door opening 3 to the small door 5 to obtain a small door opening guide frame 10A.

As shown in FIG. 22, after the large door 4 passes through and opens the small door opening guide frame 10A, the small door 5 is moved together with the small door opening guide frame 10A.
It is opened at 9 and can be avoided upward so that the vertical tail does not collide (see the phantom line).

However, since the guide frame 10A for the small door of the building-side guide frame 10 is movable or openable as described above, there are various problems.
For example, due to deformation of the hangar 1 due to secular change, uneven settlement of the ground, etc., the small door opening guide frame 10A of the small door 5 and the building side guide frame 10 of the large door 4 are aligned. Becomes difficult.

Therefore, the pogo stick 11 of the large door 4
Horizontal roller 16 and vertical roller 17 in
It is difficult to transfer from the building-side guide frame 10 to the small-door opening guide frame 10A, and further from the small-door opening guide frame 10A to the building-side guide frame 10, so that the large door 4 passes smoothly. There is a problem that opening and closing may be hindered.

As shown in FIG. 23, when the small door 5 is opened before opening and closing the large door 4, or when the small door opening guide frame 10A in the small door opening 3 is omitted. In the state where one of the pair of pogo sticks 11 of the large door 4 runs over the small door opening 3 of the small door 5, the horizontal roller 1 of the pogo stick 11
6 and the vertical roller 17 are not provided with the guide frame 10A for the small door, and the pogo stick 11 supporting the upper end of the large door 4 is only a single pogo stick 11 (left side in the figure). 4 not only causes distortion in its surface, but also impairs its running stability,
In addition, there is a problem that it is difficult to cause the horizontal roller 16 and the vertical roller 17 of the pogo stick 11 to engage and travel from one to the other building-side guide frame 10.

[0014]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has no small door opening guide frame provided at a small door portion through which a vertical tail of an airplane passes. An object of the present invention is to provide a guide device for a large door for a hangar that can perform opening and closing movements of the large door stably and smoothly.

[0015]

That is, the present invention is to remove a small door opening guide frame conventionally provided at a small door position, and to attach a large door guide support mechanism such as a pogo stick to the large door at least three times. It focuses on maintaining the large door guide support mechanism at a predetermined level in the small door opening, and the ground side rail provided on the ground side and the building side above this ground side rail , A plurality of large doors provided to be openable and closable at a large door opening between the ground side rail and the building side guide frame, and a part of the large door opening A small door that can be opened and closed at a small door opening that is partially higher than the building-side guide frame, and a large door guide support mechanism that guides and supports the large door along the building-side guide frame. A large door of the guide device for the pay box,
A guide frame notch is provided in the building-side guide frame at the small door opening, and at least three or more large door guide support mechanisms are provided at the large door, and at least two or more large door guide mechanisms are provided. A guide device for a large door for a hangar, wherein a door guide support mechanism is provided so as to be always positioned on the building-side guide frame.

In the guide frame notch, a guide relative position holding mechanism capable of holding a relative position relationship of the large door guide support mechanism with respect to the building side guide frame can be provided.

The guide relative position holding mechanism may include a spindle horizontal position holding means for holding the spindle of the large door guide support mechanism at a predetermined position height.

The guide relative position holding mechanism may have a spindle rotation restricting means for suppressing the rotation of the spindle of the large door guide support mechanism.

The large door guide supporting mechanism has a spindle slidably mounted on the large door, and a crosshead having a roller mounted on the spindle and running along the building-side guide frame. In addition, the guide relative position holding mechanism can include a crosshead rotation restricting unit that suppresses relative rotation between the crosshead and the spindle.

The end of the building-side guide frame facing the notch of the guide frame may be formed in a trumpet shape.

[0021]

In the guide device for a large door for a hangar according to the present invention, the ratio between the distance between the opening for the small door and the large door guide support mechanism and the width of the large door is appropriately selected, and the large door guide support mechanism (pogo stick) is used. ) Is provided so that at least two of them are always located on the building-side guide frame, so that even if one of the large door guide support mechanisms is located at the small door opening, the large door can be enlarged. Standing upright can be maintained perpendicular to the door opening, and stable running can be guaranteed.

Further, the large door can be moved without making the alignment and the alignment of the small door opening guide frame and the other building side guide frame in the small door opening portion a problem as in the prior art. It can be carried out.

Further, the large door guide supporting mechanism is provided with a guide relative position holding mechanism capable of maintaining the relative positional relationship with the large door at the opening for the small door, that is, the cutout portion of the guide frame, so that the large door can be moved. Accordingly, even when the large door guide support mechanism moves from the guide frame cutout portion of one building side guide frame to the other building side guide frame, it is possible to easily engage with the building side guide frame. As a result, there is no problem in running the large door.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a guide device 20 for a large hangar door according to an embodiment of the present invention will be described with reference to FIGS. However, the same parts as those in FIGS. 16 to 23 are denoted by the same reference numerals, and detailed description thereof will be omitted.

FIG. 1 shows a guide device 2 for the large door for a hangar.
FIG. 2 is a front view of the large door 4 equipped with the pogo stick 1 in the guide device 20 of the large door for a hangar.
1 (large door guide support mechanism) is provided at equal intervals, for example, for every three large doors 4, and the guide frame 10 is cut by cutting the portion where the building-side guide frame 10 faces the small door opening 3. A notch 10B is provided, and the guide frame notch 10B is not provided with the building-side guide frame 10.

The guide frame notch 10B where the building-side guide frame 10 is not provided is provided with an appropriate cover member 10C in place of the building-side guide frame 10 below the small door 5. I do.

Further, even if one of the pogo sticks 11 is located at the small door opening 3 as the large door 4 travels, the other two pogo sticks 1 are moved.
The size of the small door opening 3 in the width direction and the distance between the pogo sticks 11 are designed so that 1 is always located in the building-side guide frame 10.

FIG. 2 is a sectional view of a guide relative position holding mechanism 21 for holding the pogo stick 11, and FIG.
FIG. 4 is a view taken in the direction of the arrow I, and FIG. 4 is a view taken in the direction of the arrow IV in FIG. 2. In this guide relative position holding mechanism 21, the pogo stick 11 passes through the small door opening 3 or the guide frame notch 10B. Occasionally, the guide frame 10 is prevented from falling downward from the horizontal position of the building-side guide frame 10 by its own weight.

That is, the guide relative position holding mechanism 21
Has a bracket 22 provided on the large door 4, a guide horizontal position holding cylinder 24 fixed to the bracket 22 with bolts 23, and a cap 25.

Below the spindle 12 (FIG. 2),
A flange 26 and a holding spring 27 (spindle horizontal position holding means) are provided.
Further, the biasing force of the holding spring 27 can be adjusted by the spring adjusting nut 29. An oil cylinder (not shown) may be used instead of the holding spring 27 as the spindle horizontal position holding means.

The holding spring 27 is a compression spring capable of supporting the weight of the pogo stick 11, that is, the crosshead 15 and the spindle 12, and is flexed by the spring adjusting bolt 28 and the spring adjusting nut 29 at the time of mounting. Is the mounting height adjusted in advance.

That is, only the spindle 12 can be raised upward when the hangar 1, that is, the building-side guide frame 10 rises, and the holding spring 27 is further compressed when the hangar 1 sinks. is there. Such a rising height or a sinking amount is in a predictable range, and the holding spring 27 has an urging force capable of corresponding to this value.

The spindle 12 is provided with a rotation preventing sliding key 30 (spindle rotation restricting means) in the longitudinal direction thereof, and the rotation preventing key groove 3 formed on the bracket 22 is formed.
The engagement of this with 1 prevents rotation of the spindle 12 about its axis.

In particular, as shown in FIGS. 2 and 3, a pair of turning restricting hardware 32 (crosshead rotation restricting means) is provided on the upper part of the spindle 12, and the crosshead 15 is engaged with the turning restricting hardware 32. By forming the turning restricting projections 33, the spindle 1 of the crosshead 15 is formed.
The turning angle with respect to 2 is limited.

FIGS. 5 to 7 illustrate the opposing portion of the guide frame 10 on the small door opening 3 with the guide frame cutout 10B interposed therebetween. FIG. FIG. 6 is a side cross-sectional view showing the opposing portion of the building-side guide frame 10 sandwiching the same, FIG. 6 is a longitudinal cross-sectional view showing the opposing portion, and FIG.

As shown in the drawing, the guide frame notch 1
Building side guide frame 1 facing each other across 0B
0 is formed in a trumpet shape to form a trumpet-shaped end portion 34, so that the pogo stick 1 accompanying the traveling of the large door 4 is formed.
In one moving operation, the building-side guide frame 10 makes it easier to receive the horizontal roller 16 and the vertical roller 17 of the crosshead 15.

In the guide device 20 for a large door for a hangar having such a configuration, the small door opening guide frame 10A conventionally provided in the small door opening 3 at the position of the small door 5.
Was removed to form the guide frame notch 10B,
Particularly, it is possible to prevent the passage of the pogo stick 11 from passing through the horizontal roller 16 and the vertical roller 17 due to aging in this portion, and to retreat the small door opening guide frame 10A from the tail of the aircraft. The moving mechanism does not need to be provided.

Further, as shown in FIG.
Is provided with at least three pogo sticks 11, at least two of which are located on and engaged with the building-side guide frame 10, so that one pogo stick 11 is built at the small door opening 3. House side guide frame 1
Even if it becomes a state floating in the air without engaging with 0,
The posture of the large door 4 with respect to the hangar 1 or the large door opening 2 can be normally maintained.

Since the spindle 12 and the crosshead 15 are held at the same height in the vertical direction and in the horizontal position by the guide relative position holding mechanism 21 as in the running state, the pogo stick 1
1 does not fall into the large door 4 due to its own weight,
After passing through the small door opening 3, the horizontal roller 16 and the vertical roller 17 can be re-engaged with the building-side guide frame 10.

Furthermore, the spindle 12 is provided with a rotation preventing sliding key 30 to prevent rotation around the axis, and the crosshead 15 is provided with a rotation restricting projection 33 to restrict rotation around the spindle 12. Even if the pogo stick 11 comes off the building-side guide frame 10 at the small door opening 3, after passing through the small door opening 3, the horizontal roller 16 and the vertical roller 17 are attached to the building-side guide frame 10 in the traveling direction. Correct re-engagement is possible.

Thus, when the pogo stick 11 passes through the small door opening 3, ie, the guide frame notch 10B, the crosshead 15 falls into the large door 4,
Without causing the spindle 12 to fall and turn, etc.
It is possible to pass the vehicle in exactly the same manner as when traveling and moving inside the building-side guide frame 10.

Next, the guide relative position holding mechanism 21 in the present invention can maintain the level and posture of the pogo stick 11 (large door guide support mechanism) at the small door opening 3 without the building side guide frame 10. Although it can be kept within the range, there are various modifications particularly as a mechanism having a function of a spindle horizontal position holding means for holding the level of the large door guide support mechanism. This will be described below.

FIG. 8 shows a spindle horizontal position holding means 4 according to a first modification of the guide relative position holding mechanism 21.
The spindle horizontal position holding means 40 uses electromagnetic force. The guide horizontal position holding cylinder 24 is provided with a holding excitation coil 41, and the spindle horizontal position holding means 40 is attached to a lower portion of the spindle 12 such as iron. Can be adsorbed.

By setting the exciting force of the holding exciting coil 41 to a predetermined value, it is possible to further detect that the pogo stick 11 passes through the notch 10B of the guide frame by any detecting means (not shown). By exciting the holding excitation coil 41, the pogo stick 11 including the spindle 12 can be held at the level of the building-side guide frame 10.

FIG. 9 shows a spindle horizontal position holding means 4 according to a second modification of the guide relative position holding mechanism 21.
FIG. 8 is a sectional view of a main part of FIG. 3, in which the spindle horizontal position holding means 43 utilizes frictional force. A holding clutch 44 is provided on the guide horizontal position holding cylinder 24, and the spindle horizontal position holding means 40 shown in FIG. Similarly, when the detection of the passage of the pogo stick 11 through the cutout portion 10B of the guide frame by an arbitrary detecting means (not shown), the clutch 44 is operated, and the friction pad 45 attached to the lower portion of the spindle 12 is disengaged. It can be pinched.

FIG. 10 is an explanatory view of a main part of a spindle horizontal position holding means 46 according to a third modification of the guide relative position holding mechanism 21. The spindle horizontal position holding means 46 utilizes elastic force. The holding rubber 47 attached to the guide horizontal position holding cylinder 24 is fixed to the lower portion of the spindle 12, and the elastic force of the holding rubber 47 is
Can be held at a predetermined level. Note that a spring may be used instead of the holding rubber 47.

FIG. 11 is a sectional view of a main part of a spindle horizontal position holding means 48 according to a fourth modification of the guide relative position holding mechanism 21. The spindle horizontal position holding means 48 uses the frictional force of a gear mechanism. The geared motor 49, the torque keeper 50, and the pinion 5
1, a rack 52 formed below the spindle 12,
A stroke sensor 53 capable of detecting the stroke of the spindle 12.

In the spindle horizontal position holding means 48, when the pogo stick 11 is held at a predetermined level position in the ordinary guide frame 10 on the building side, the torque keeper 50 applies the driving force of the geared motor 49 to the pinion. It does not transmit to the 51 side, and is in a state of sliding freely. Therefore, the up-and-down movement of the pogo stick 11 accompanying the traveling of the large door 4 is enabled.

When a force greater than the holding force of the torque keeper 50 acts, that is, when the pogo stick 11 passes through the small door opening 3 without the building-side guide frame 10, the rotation of the geared motor 49 is performed. Since the force can be transmitted to the pinion 51, the geared motor 49
The spindle 12 can be held at the predetermined level position by driving the motor and detecting the predetermined level position of the spindle 12 by the stroke sensor 53 and performing feedback control.

The stroke sensor 53 monitors the falling state of the spindle 12 from a predetermined level position, and can rotate the geared motor 49 in the event of an emergency.

Next, as the spindle horizontal position holding means of the guide relative position holding mechanism 21 of the present invention, hydraulic pressure or pneumatic pressure can be used. FIG. 12 is an explanatory sectional view of a spindle horizontal position holding means 60 according to a fifth modification of the guide relative position holding mechanism 21. This spindle horizontal position holding means 60 utilizes hydraulic pressure to hold the guide horizontal position holding means. Pressure chamber 6 in holding cylinder 24
1 and a predetermined pressure can be supplied thereto by the holding hydraulic circuit 62, so that the pogo stick 1 when passing through the guide frame notch 10B of the small door opening 3 is formed.
1 can be held at a predetermined level position.

The holding hydraulic circuit 62 is provided with a hydraulic oil tank 6.
3, a supply pump 64, a first solenoid valve 65, a throttle valve 66, a second solenoid valve 67, and a relief valve 68.

Further, an upper limit switch 69 and a lower limit switch 70 capable of detecting the vertical movement of the pogo stick 11 or the spindle 12 are provided. Note that a stroke sensor (not shown) can be used instead of such a limit switch.

FIG. 13 is a sectional explanatory view of a spindle horizontal position holding means 80 according to a sixth modification of the guide relative position holding mechanism 21. The spindle horizontal position holding means 80 uses air pressure, and The holding pressure chamber 81 is formed in the horizontal position holding cylinder 24, and the holding pneumatic circuit 8 by air pressure is used instead of the holding hydraulic circuit 62.
2

The holding air pressure circuit 82 includes a working air tank 83, a supply pump 84, a first solenoid valve 85, a throttle valve 86, and a second solenoid valve 87 having one port open to the atmosphere. , A relief valve 88.

FIG. 14 shows the holding hydraulic circuit 62 of FIG.
13 is a table for explaining the operation of the holding pneumatic circuit 82 in FIG. 13. When the pogo stick 11 passes through the building-side guide frame 10, the first solenoid valve 65
And the second solenoid valve 67 (the first solenoid valve 85 and the second
It is not necessary to supply the hydraulic pressure to the holding pressure chamber 61 (holding pressure chamber 81) by keeping this in the “off” state.

Just before the large door 4 passes through the small door opening 3 (the guide frame notch 10B), the first solenoid valve 6
Both the fifth solenoid valve 67 and the second solenoid valve 67 (the first solenoid valve 85 and the second solenoid valve 87) are turned on, and the level of the pogo stick 11 is fixed.

While the large door 4 is passing through the small door opening 3, the second solenoid valve 67 (second solenoid valve 87) is kept in the "ON" state, and the upper limit switch 69 and the lower limit switch are set. 70, the first solenoid valve 65
By setting the (first solenoid valve 85) to the “on” or “off” state, the holding pressure chamber 61 (the holding pressure chamber 8) is set.
Continue to supply the required holding pressure to 1)
1 is held at a level position within an appropriate range.

FIG. 15 is a sectional view of a spindle horizontal position holding means 90 according to a seventh modification of the guide relative position holding mechanism 21. The spindle horizontal position holding means 90 utilizes hydraulic pressure, and The pressure chamber 91 for holding the horizontal position holding cylinder 24 (the upper pressure chamber 91
A, the lower pressure chamber 91B) is formed, and a predetermined pressure can be supplied to the lower pressure chamber 91B by the holding hydraulic circuit 92, so that the large door 4 can open the small door opening 3 (the guide frame cutout 10).
B) The pogo stick 11 when passing through the portion can be held at a predetermined level position.

The holding hydraulic circuit 92 is provided with a hydraulic oil tank 9.
3, a first check valve 94, a first relief valve 95,
It has a second check valve 96 and a second relief valve 97.

The first relief valve 95 and the second relief valve 97 have a holding pressure enough to hold the pogo stick 11 at a predetermined level position.

Each of the first check valve 94 and the first relief valve 95 is connected to the upper pressure chamber 91 of the holding pressure chamber 91.
A, and the second check valve 96 and the second relief valve 97 each communicate this with the lower pressure chamber 91B of the holding pressure chamber 91, and the upper pressure chamber 91A.
Is supplied to the second check valve 96, and the control pressure from the lower pressure chamber 91B is supplied to the first check valve 94.

In the holding hydraulic circuit 92 having such a configuration, when the large door 4 passes through the guide frame notch 10B, the pogo stick 11 tends to descend at this portion and the pressure in the lower pressure chamber 91B increases. , Second
The first relief valve 97 attempts to hold the pogo stick 11 in its original position.
The hydraulic pressure is controlled such that the hydraulic oil is slightly supplied to the upper pressure chamber 91A via the control unit, and the spindle 12 is held at a predetermined level position.

On the contrary, the upper pressure chamber 9 is controlled by the above-described hydraulic control.
If the pressure in 1A rises too much, the first relief valve 95
Attempts to hold the pogo stick 11 in its original position against this, and a small amount of hydraulic oil is supplied to the lower pressure chamber 91B through the second check valve 94, and the spindle 12
Is held at a predetermined level position.

Thus, the pogo stick 11 is held at a level position within a predetermined range by the holding hydraulic circuit 92 even in the guide frame notch 10B, and the large door 4 is moved to the other building side guide frame 10 The horizontal roller 16 and the vertical roller 17
Can reliably transfer to the other guide frame 10 on the other building side, and there is no problem in opening and closing the large door 4.

The guide device for a large hangar door according to the present invention can be applied not only to hangars such as airplanes but also to warehouse doors and other hangars having the same structure.

[0067]

As described above, according to the present invention, a small door opening guide frame is not provided in a small door opening.
This is a notch in the guide frame, and the large door is stably held at the predetermined level position by the guide relative position holding mechanism and can pass through the opening for the small door. , It is possible to avoid the difficulty of traveling of the large door.

Furthermore, three or more large door guide support mechanisms such as pogo sticks are provided on the large door, and at least two or more are located in the guide frame on the building side, so that the traveling of the large door can be stabilized. Therefore, the deformation due to wind pressure or the like can be prevented.

[0069]

[Brief description of the drawings]

FIG. 1 is a front view of a large door 4 equipped with a guide device 20 for a large hangar door according to an embodiment of the present invention.

FIG. 2 is a sectional view of a guide relative position holding mechanism 21 that holds the pogo stick 11 (large door guide support mechanism).

FIG. 3 is a view taken in the direction of the arrow III in FIG. 2;

FIG. 4 is a view taken in the direction of the arrow IV in FIG. 2;

FIG. 5 is a side cross-sectional view showing an opposite portion of the building-side guide frame 10 across the guide frame cutout portion 10B in the small door opening 3;

FIG. 6 is a longitudinal sectional view showing an opposing portion of the building-side guide frame 10 across a guide frame cutout portion 10B in the small door opening 3;

FIG. 7 is a cross-sectional plan view showing an opposing portion of the building-side guide frame 10 across the guide frame cutout portion 10B in the small door opening 3;

FIG. 8 shows a spindle horizontal position holding means 4 according to the present invention.
It is principal part sectional drawing of 0 (1st modification).

FIG. 9 shows a spindle horizontal position holding means 4 according to the present invention.
It is principal part sectional drawing of 3 (2nd modification).

FIG. 10 is an explanatory view of a main part of a spindle horizontal position holding means 46 (third modification) according to the present invention.

FIG. 11 is a sectional view of a main part of a spindle horizontal position holding means 48 (fourth modified example) in the present invention.

FIG. 12 is an explanatory sectional view of a spindle horizontal position holding means 60 (fifth modified example) in the present invention.

FIG. 13 is an explanatory sectional view of a spindle horizontal position holding means 80 (sixth modified example) in the present invention.

FIG. 14 shows the holding hydraulic circuit 62 of FIG.
3 is a table for explaining the operation of a holding pneumatic circuit 82 of FIG.

FIG. 15 is an explanatory sectional view of a spindle horizontal position holding means 90 (seventh modification) according to the present invention.

FIG. 16 is a front view of a conventional hangar 1 for an airplane, for example.

FIG. 17 is a front view of the guide device 6 of the hangar large door.

FIG. 18 is a side view of the guide device 6 of the large hangar door.

FIG. 19 is a longitudinal sectional view of the pogo stick 11 (large door guide support mechanism).

FIG. 20 is a view taken in the direction of the arrow XX in FIG. 19;

FIG. 21 is a front view in which the building-side guide frame 10 that guides the pogo stick 11 is located at the small door opening 3 to the small door 5;

FIG. 22 is a sectional view taken along the line XXII of FIG. 21;

FIG. 23 is an explanatory front view of the case where one pogo stick 11 of the large door 4 reaches the small door opening 3;

[Explanation of symbols]

Reference Signs List 1 Hangar for airplane 2 Opening for large door 3 Opening for small door 4 Large door 5 Small door 6 Guide for large door for hangar 7 Ground rail 8 Drive wheel 9 Follower wheel 10 Architectural guide frame 10A Small door Opening guide frame 10B Guide frame notch where no building-side guide frame 10 is provided 10C Appropriate covering member at guide frame notch 10B 11 Pogo stick (large door guide support mechanism) 12 Spindle 13 Nut 14 Bearing 15 Cross head 16 Horizontal roller 17 Vertical roller 18 Bush 19 Small door opening / closing shaft 20 Guide for large door for hangar 21 Guide relative position holding mechanism 22 Bracket 23 Bolt 24 Guide horizontal position holding cylinder 25 Cap 26 Flange 27 Holding spring (Spindle horizontal position holding hand 28) Spring adjustment bolt 29 Spring adjustment nut 30 Rotation prevention sliding key (spindle rotation restriction means) 31 Rotation prevention key groove 32 Rotation restriction hardware (crosshead rotation restriction means) 33 Rotation restriction protrusion 34 Guide frame notch Trump-shaped ends of the guide frame 10 on the building side facing each other with 10B interposed therebetween 40 Spindle horizontal position holding means 41 Excitation coil for holding 42 Magnetic material such as iron 43 Spindle horizontal position holding means 44 Clutch for holding 45 Friction pad 46 Spindle horizontal position holding means 47 Holding rubber 48 Spindle horizontal position holding means 49 Geared motor 50 Torque keeper 51 Pinion 52 Rack 53 Stroke sensor 60 Spindle horizontal position holding means 61 Holding pressure chamber 62 Holding hydraulic circuit 63 Hydraulic oil tank 64 Supply pump 65 First solenoid valve 66 Throttle valve 67 Second solenoid valve 68 Relief valve 69 Upper limit switch 70 Lower limit switch 80 Spindle horizontal position holding means 81 Holding pressure chamber 82 Holding air pressure Circuit 83 Tank for working air 84 Supply pump 85 First solenoid valve 86 Throttle valve 87 Second solenoid valve 88 Relief valve 90 Spindle horizontal position holding means 91 Holding pressure chamber 91A Upper pressure chamber 91A of holding pressure chamber 91 Holding Lower pressure chamber 91 for use 92 Hydraulic circuit for holding 93 Hydraulic oil tank 94 First check valve 95 First relief valve 96 Second check valve 97 Second relief valve

Continuation of front page (58) Field surveyed (Int.Cl. ⁶ , DB name) E06B 3/01

Claims (5)

(57) [Claims] 1. A ground side rail provided on the ground side, a building side guide frame provided on a building side above the ground side rail, and a large door between the ground side rail and the building side guide frame. A plurality of large doors provided to be openable and closable at the opening for small doors, and a small door that can be opened and closed at a small door opening partially higher than the building-side guide frame at a part of the large door opening; A guide device for a large door for a hangar, comprising: a large door guide supporting mechanism for guiding and supporting the large door along the building side guide frame, wherein a guide is provided to the building side guide frame at the small door opening. A frame notch is provided, and the large door is provided with at least three or more large door guide support mechanisms independent of each other , and at least two or more large door guide support mechanisms are always provided on the building side guide. Rutotomoni provided so as to be positioned in the lead frame, in the guide frame notch, the large door guide
Each of the support mechanism with respect to the guide frame on the building side
Guide relative position holding mechanism that can hold the relative positional relationship
The hangar for large door guide apparatus characterized by comprising. Wherein said guide relative position holding mechanism, the hangar for large door according to claim 1, characterized in that it has a spindle horizontal position holding means for holding the spindle of the large door guide support mechanism in position height Guide device. Wherein the guide relative position holding mechanism according to claim 1, characterized in that it comprises a spindle rotation limiting means for suppressing the rotation of the spindle of the large door guide supporting mechanism
A guide device for the large door for a hangar as described. 4. The large door guide support mechanism includes a spindle slidably attached to the large door, and a crosshead having a roller attached to the spindle and having a roller running along the building-side guide frame. and, and the guide relative position holding mechanism, hangar for large door guide apparatus of claim 1, wherein it has a cross-head rotation limiting means for suppressing a relative rotation between this crosshead said spindle. 5. The end portion of the building block side guide frame facing the guide frame cutout portion hangar for large door guide apparatus of claim 1, wherein the forming it into a trumpet shape.