JPH01171575A - Linear carrying device - Google Patents

Abstract

PURPOSE:To always display the essential function of a fire prevention damper by constituting a running body carrying path in areas corresponding to damper parts of the fire prevention damper so that a running body can pass under the action of gravity. CONSTITUTION:A linear carrying device 1 is installed across plural fire prevention sections partitioned by damper parts 22 of a fire prevention damper 20. A running body carrying path 2 in areas corresponding to damper parts 22 of this device 1 is so constituted that a running body 5 can pass under the action of gravity. As the result, the essential function of the fire prevention damper is always displayed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Field of Application) The present invention relates to a linear conveyance device that uses a linear motor as a drive source to move a traveling body across a plurality of fireproof zones.

(Prior Art) When a linear conveyance device is installed across a plurality of fire protection compartments, it is mandatory under the Fire Service Act to provide a fire damper in the penetrating portion of the fire protection compartment wall.

A conventional example of such a linear conveyance device and fire damper will be explained with reference to FIG. 4.

The fire damper 50 shown in the figure is provided on a partition wall 52 that partitions a first fire protection section (2) and a second fire protection section (2) in a building frame 51 such as a floor.

At the penetrating portion 52a of the partition wall 52, a first conveyance path 61 and a second conveyance path 62 constituting the linear conveyance device are installed horizontally with a slight distance d between them. ing. The damper portion of the fire damper 50 (
The shutter 53 is driven in the directions of arrows Z1 and Z2 shown in FIG. 4 under the control of a damper control section (not shown) to block or open the through portion 52a. Although not shown, the opening/closing control of the damper section 53 by the damper control section is performed based on a fire detection signal from a fire detector installed in the first or second fire protection compartment (■) or (■). Needless to say.

Further, in FIG. 4, 54a and 54b are guide members that support the damper portion 53 in position.

However, the installation state of the binocular feed paths ■ and ■ of the conventional linear conveyance device described above is generally such that these conveyance paths are installed horizontally regardless of the presence or absence of a fire damper. Simultaneously or immediately after this device loses its ability to control the traveling body due to an accident such as a power failure in the transport device, a fire occurs in the first or second fire protection compartment (■) or (■), and the damper control unit When the fire prevention damper 5 is closed, the damper portion 53 may pinch the traveling body that is running inertia, and as a result, the damper portion 53 cannot block the penetration portion 52a, and the fire damper 5
There is a problem that the original function as 0 cannot be performed.

(Problems to be Solved by the Invention) As described above, in the conventional linear conveyance device, there is a problem in that the function of the fire damper for cutting off the fire prevention section is hindered due to the configuration of the conveyance path.

Therefore, an object of the present invention is to provide a linear conveyance device that does not impede the function of the fire damper under any circumstances by improving the configuration of the conveyance path.

[Structure of the Invention] (Means for Solving the Problems) The present invention provides a linear conveying device installed across a plurality of fireproof sections partitioned by a damper section of a fireproof damper, which corresponds to the damper section in this device. The traveling body conveyance path in the region is configured such that the traveling body can pass through under the action of gravity.

(for production) The operation of the apparatus having the above configuration will be explained below.

According to this device, the traveling body conveyance path in the area corresponding to the damper section that separates the plurality of fire protection compartments is configured such that the traveling body can pass through this area under the action of gravity. Under no circumstances will the traveling object remain in this area, allowing the fire damper to always perform its original function.

(Example) An example apparatus of the present invention will be described below with reference to FIGS. 1 to 3.

The linear conveyance device 1 shown in the figure is in a fire prevention section (■).

The drive source of this device (not shown) creates a traveling body conveying path 2 in which the area of the wall penetrating portion 3 penetrating through the wall is inclined and the other portion is flat, and a traveling region 4 along the traveling body conveying path 2. It has a traveling body (carrier) 5 that is driven and transported.

The traveling body conveyance path 2 has a first W1 conveyance path section 6 on the side of the fire prevention compartment (■) and a second conveyance path section 7 on the side of the fire prevention division (■), with the ends thereof having a distance d in the area of the wall penetration part 3. They are arranged in a state where they face each other while having two sides.

The binocular passage sections 6 and 7 are supported by support stands 8 and 9 with heights hl and h2 (hl>h2) provided in the fire protection compartments (1) and (2), respectively.
a first horizontal portion 10. supported in a horizontal arrangement by a first horizontal portion 10. a second horizontal portion 11; and a first inclined portion 1 disposed from the first horizontal portion 10 toward the wall penetrating portion 3 and at a predetermined angle of inclination.
2, from the second horizontal portion 11 toward the wall penetrating portion 3 side,
It also includes a second inclined part 13 arranged at the same angle of inclination as the first inclined part 12. The first inclined portion 12 is constructed by arranging guide members 12a and 12b, each having an opening in cross section, in parallel with each other, as shown in an enlarged view in FIG. 3, with their respective openings facing each other. Similarly, the second inclined portion 13 includes a guide member 13 having an opening-shaped cross section.
a and 13b are arranged in parallel with each other with their respective openings facing each other.

The end face portions of the guide member 12a and the guide member 13a are formed by a vertical guide roller 5a provided on the traveling body 5,
In order not to interfere with the guiding function of the guide roller 5b in the horizontal direction, the corresponding portions are arranged facing each other so as to be on the same plane.

The end face portions of the other guide member 12b and guide member 13b are also similar to those described above.

Next, a description will be given of the fire damper 20 attached to the wall 3a that separates the fire protection sections (1) and (2).

The fire prevention damper 20 includes a fire prevention damper drive section 21 disposed above the wall penetration section 3 and a damper section (shutter) 22 that is driven by the fire prevention damper drive section 21 to open and close the wall penetration section 3. are doing.

The fire prevention damper drive unit 21 includes a first vertical plate 23a that is directly connected to the wall 3a, and a second vertical plate 23a that is parallel to the first vertical plate 23a and fixedly spaced apart from the wall 3a. The first vertical plate 23b and the upper end of the wall penetrating portion 3 are defined. The first... attached to the second vertical plates 23a, 23b. The second horizontal plates 24a, 24b, the drive motor 25 fixedly arranged on the second horizontal plate 24b, the worm 26 fixed to the rotating shaft of the drive motor 25, and the first... Between the second vertical plates 23a and 23b, a pair of belt pulleys 27a and 27b are supported in a vertical arrangement by the second vertical plate 23b, and a belt 28 stretched between both belt pulleys 27a and 27b; The support shaft 29 of the belt pulley 27b has a worm gear 30 fixed to a portion projecting through the second vertical plate 23b and meshed with the worm 26.

The damper section 22 includes a first. Second vertical plates 23a, 23
The first transport path section 6.b passes through the wall penetrating section 3 from the side of the tensioning region of the belt 28 between the sections 6.b and 6.b. The area roughly reaching the carcass 31 of the building through the distance d between the second transport path sections 7 is indicated by the arrow Z1. shown in FIG. It is arranged to be movable in the Z2 direction. The upper end of this damper section 22 is connected to the belt 28, and the worm 26. The wall penetrating portion 3 is opened and closed by moving in the Zl and Z2 directions in conjunction with the belt 28 that rotates due to the rotational force of the drive motor 25 transmitted through the worm gear 30 and the belt wheel 27b. . Note that FIG. 1 shows the damper portion 11 in a closed state.

Further, in the figure, 32 is a damper guide.

Next, the action of the device having the above configuration is mainly focused on the running state of the running body 5 in the area of the wall penetrating portion 3, and the fire prevention damper 20
This will be explained in relation to.

Note that the traveling direction of the traveling body 5 in this device is the direction of arrow X shown in FIG.

The traveling body 5 receives a driving force from a drive source (not shown), and moves from the first horizontal part 10 of the first conveyance path part 6 to the first inclined part 12, the part of the interval d, the second inclined part 13, and then the second horizontal part. Assume that when the vehicle travels to No. 11, the driving force of the driving source is cut off for some reason.

At this time, the first inclined portion 12. Since the second inclined portion 13 is arranged to descend linearly in the direction of travel as described above, the traveling body 5 is moved by the guide rollers 5a in the vertical direction and the idle rollers 5b in the horizontal direction.
Guide member 12a.

12b, 13a, and 13b while being guided by the gravity acting on the traveling body 5 itself.The traveling body 5 travels through the first inclined portion 122 at the interval d and the second inclined portion 13, and then moves through the second horizontal portion 11.
leading to.

Therefore, the traveling body 5 does not stop at the distance d where the damper portion 22 descends in the direction of the arrow Z2, not only during normal motion but also in an abnormal situation where the drive source loses its driving ability.
As a result, in any case, fire protection divisions■,■
The closing operation of the damper section 22 that closes the space between the two parts is guaranteed.

The present invention is not limited to the embodiments described above, and various modifications can be made within the scope of the invention.

For example, the first inclined portion 12. The angle of inclination of the second inclined portion 13 can be set to various angles within a range in which the traveling body 5 can run under the action of gravity.

Further, the first inclined portion 12. The arrangement state of the second inclined portion 13 is as follows:
Even if it is configured to rise in the direction of travel in the opposite direction to the case described above, the same effect as in the case described above can be exerted.

[Effects of the Invention] According to the present invention described in detail above, fire prevention is achieved by making the configuration of the traveling body conveyance path in the area corresponding to the damper portion of the fire prevention damper such that the traveling body can pass through under the action of gravity. It is possible to provide a highly stable linear conveyance device in which the original function of the damper can always be exhibited.

[Brief explanation of the drawing]

FIG. 1 is a schematic sectional view of an embodiment of the device of the present invention, FIG. 2 is a longitudinal sectional view of the device, and FIG. 3 is a first inclined portion of the device.
FIG. 4 is a partially enlarged perspective view of the second inclined portion and a schematic cross-sectional view of the conventional device. 1... Linear conveyance device, 2... Traveling body conveyance path,
20... Fire damper, 22... Damper section. Agent: Patent Attorney Masayoshi Misawa, 27a Figure 2 Figure 41

Claims (1)

[Claims] In a linear conveyance device installed across a plurality of fire prevention sections partitioned by a damper section of a fire prevention damper, a traveling object can pass under the action of gravity through a traveling object conveyance path in an area corresponding to the damper section in this device. A linear conveyance device characterized by having a configuration.