JP2001233427A - Supporting and carrying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a supporting and carrying device capable of smoothly getting cargoes in and out at one side. SOLUTION: A roller conveyor device 1 which has one carrying device body 1a and the other carrying device body 1b connected to each other via a connection carrying part 1c comprises a carriage plane formed at an inclination to one side by rollers 8, 17 provided on both carrying device bodies 1a, 1b and the connection carrying part 1c, respectively, guides 22a, 22b provided at one sides of both carrying device bodies 1a, 1b, respectively, and a connection guide part 22c provided between both guides 22a, 22b, the connection carrying part 1c and the connection guide part 22c being rotationally movable to a connection position and to an escape position, respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support and transport device such as a roller conveyor for transporting a load while supporting it.

[0002]

2. Description of the Related Art Conventionally, as described above, for example, as shown in Japanese Utility Model Laid-Open Publication No. Sho 57-58514, a supporting and transporting device is provided before and after a portion passing through a wall opening provided with an opening / closing door.
In some cases, an upper gravity roller conveyor and a lower gravity roller conveyor are provided, and a relaying gravity roller conveyor is provided between the two roller conveyors. The relay roller conveyor is attached to an end of the lower roller conveyor, and is in a sideways posture connected to an end of the lower roller conveyor, and stands up from the end of the lower roller conveyor. It is configured to be rotatable over the posture. The relay roller conveyor is rotated by the load conveyed on the upper roller conveyor from the standing posture to the lying posture, and is returned from the lying posture to the standing posture by the urging of the weight member. It is configured as follows. The opening and closing door is opened and closed with the relay roller conveyor in an upright posture.

[0003]

However, in the above-mentioned conventional type, as shown in FIG. 16, since the rollers 91 of each gravity roller conveyor 90 are mounted horizontally in the axial direction, they are formed by these rollers 91. The supporting surface 92 is horizontal in the width direction 93 (axial direction). Therefore, when a worker loads or unloads a large load 94 from one side of the roller conveyor 90 with respect to the transport path, the load 94 is loaded and unloaded in a vertically standing state, so that it is difficult to smoothly load and unload the load 94. was there.

[0004] It is an object of the present invention to provide a supporting and conveying device capable of smoothly loading and unloading a load from the side.

[0005]

According to a first aspect of the present invention, there is provided a supporting and transporting apparatus for transporting a load along a transporting path while supporting a load. The connection support is rotatably supported about a support shaft at a connection position connected to the support device main body and a retreat position separated from the support device main body. When the occurrence of an abnormality is detected in the surroundings, the connection support portion rotates from the connection position to the retracted position, and the one support device main body and the other support device main body are separated from each other,
The support surfaces formed on both the support device main body and the connection support portion are inclined in the width direction, and the support shafts are provided side by side in the same direction as the support surface.

According to this, the load is supported and conveyed by one of the support device main bodies, passes through the connection support section, and is conveyed while being supported by the other support device main body. At this time, since the support surface is inclined in the width direction, it is possible to smoothly load and unload the load with respect to the support transport device.

If an abnormality is detected in the surroundings, the connection support portion rotates from the connection position to the retracted position about the support shaft, and the one support device main body and the other support device main body are rotated. And are separated.

Further, according to the second aspect of the present invention, a gap is formed between one supporting device main body and the other supporting device main body by rotating the connection supporting portion to the retracted position, and the gap is protected against disaster. The door is configured so that the door can enter and exit.

According to this, if an abnormality is detected in the surroundings, the connection support portion pivots from the connection position to the retracted position, and the disaster prevention door enters the gap. And the other support device main body is shut off by the disaster prevention door.

Further, in the third aspect of the present invention, a fixing means for fixing the connection support portion at the retracted position is provided. According to this, when the connection supporter is turned to the retracted position, the connecting means is fixed to the retracted position by the fixing means. Thereby, it is possible to prevent the connection support portion from inadvertently swinging from the retracted position.

According to a fourth aspect of the present invention, one main body of the supporting device is constituted by one main body of the conveying device and one guide device for guiding a load on the one main body of the conveying device, and the other main body of the supporting device is provided. Is composed of the other transfer device main body and the other guide device for guiding the load on the other transfer device main body, and the connection support portion includes a connection transfer portion and a connection guide for guiding the load on the connection transfer portion. The connection transport unit is rotatably supported around a transport support shaft at a connection position connected to the transport device main body and a retracted position separated from the transport device main body, and the connection guide unit is It is rotatably supported around the guide support shaft at a connection position connected to the guide device and at a retreat position separated from the guide device. When an abnormality is detected in the surrounding area, the connection transport unit is retreated from the connection position. Pivoted to the position, the main body of one transfer device and the main Are separated from each other, and the connection guide portion is rotated from the connection position to the retracted position, so that one guide device and the other guide device are separated from each other, and the transport formed in both the transport device main body and the connection transport portion. And at least one of the guide surfaces formed on the two guide devices and the connection guide portion is inclined in the width direction, and the transport support shaft is provided at the same angle as the transport surface, and the guide support is provided at the same angle. The shaft is provided at the same angle as the guide surface.

According to this, the load is supported and transported by one of the transport device main bodies while being guided by the one guide device, and then is transported by being supported by the connection transport portion while being guided by the connection guide portion. While being guided by the other guide device, it is transported while being supported by the other transport device main body.

If an abnormality is detected in the surroundings,
The connecting and transporting part is rotated from the connecting position to the retracted position about the transporting support shaft to separate one of the transporting device main bodies from the other transporting device main body, and the connection guide portion is rotated about the guide supporting shaft. As a result, the guide device rotates from the connection position to the retracted position, and the one guide device and the other guide device are separated from each other.

According to the fifth aspect of the present invention, the conveying surface and the guide surface are each inclined at an angle within a predetermined range.
According to this, the load is reliably received by the transport surface and the guide surface without being lifted from the transport surface or the guide surface, transported by the transport surface, and guided by the guide surface.

Further, the sixth invention is provided with a switching means for simultaneously switching the connection transport section and the connection guide section from the connection position to the retreat position when an abnormality is detected in the surroundings.

According to this, when the occurrence of an abnormality in the surroundings is detected, the switching means switches the connection conveying section and the connection guide section from the connection position to the retracted position at the same time. Further, in the seventh invention, the switching means is operated by lowering of the disaster prevention door.

According to this, in the event that a fire or the like occurs and the disaster prevention door is lowered, the switching means is operated by the disaster prevention door, and the connection transport section and the connection guide section are simultaneously moved from the connection position to the retreat position. Is switched.

According to the eighth aspect of the present invention, the connection transport section and the connection guide section each rotate to the retreat position by their own weight and retreat outside the transport path. According to this, since the connection transport section and the connection guide section each rotate to the retreat position by their own weight, a dedicated driving device or the like for rotating the connection transport section and the connection guide section to the retreat position respectively becomes unnecessary. obtain.

According to a ninth aspect of the present invention, the switching means includes a transfer-side engaging member that is detachable from the connection transfer portion at the connection position, and a guide-side engagement member that is detachable from the connection guide portion at the connection position. An actuating member actuated by the lowering of the disaster prevention door, a conveying wire for interlocking the conveying-side engaging member and the operating member, and a guiding wire for interlocking the guiding-side engaging member and the operating member. And a plurality of guide wheels for guiding each of the wires, wherein the operating member is provided on the opposite side of the guide device, and the transport-side wire is provided below the operating member by the guide wheel and below the transport device main body. The guide-side wire is guided by a guide wheel from below the operating member, across below the transfer device main body, and guided to the guide-side engaging member. is there.

According to this, at the connection position, the transfer-side engaging member engages with the connection-conveying portion, and the guide-side engaging member engages with the connection-guiding portion. Are held at the connection positions.

In the event that a fire or the like occurs and the disaster prevention door descends, the operation member is actuated by the disaster prevention door, and the transfer side engaging member is disengaged from the connection transfer section via the transfer side wire. At the same time, the guide side engaging member is pulled out of the connection guide section via the guide side wire. As a result, the connection transport section and the connection guide section are each switched from the connection position to the retracted position.

The transport side wire is guided by a guide wheel from below the operating member to below the transport device body to the transport side engaging member, and the guide side wire is operated by the guide wheel. Since the wire is guided upward from below the member across the lower portion of the transfer device main body and guided to the guide side engaging member, these wires do not obstruct the load being conveyed or the operator.

[0023]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS. As shown in FIG. 2, reference numeral 1 denotes a roller conveyor device (an example of a supporting and conveying device) installed from one room 2 to the other room 3. An opening 5 and a fire shutter 6 (an example of a fire door) that opens and closes the opening 5 are provided in a partition wall 4 that separates the one room 2 and the other room 3. When the fire detector (not shown) detects smoke, abnormally high temperature, or the like, the fire prevention shutter 6 automatically moves down to open the opening 5.
Is configured to close.

The roller conveyor device 1 is located at the opening 5 with one main body 1a installed in one room 2, the other main body 1b installed in the other room 3, and And a connection transport section 1c for connecting the two transport apparatus main bodies 1a and 1b to each other.

The above-mentioned two main bodies 1a and 1b are constructed as follows. That is, as shown in FIGS. 1 and 2, a plurality of transport rollers 8 are rotatably provided between a pair of left and right side frames 9a and 9b, and the both side frames 9a and 9b are erected on the base frame 10. Have been. The transport roller 8 is a free roller. The base frame 10 is supported on the floor by a pair of left and right leg members 11a and 11b. One of the left and right leg members 11a is formed lower than the other leg member 11b, whereby each of the transport rollers 8 is inclined to the left or right. The transport surface 13 that supports and transports the load 12 is formed to be inclined to one side in the width direction with respect to the transport path 14.

The connection transport section 1c is constructed as follows. That is, as shown in FIGS.
The plurality of transfer rollers 17 are a pair of left and right side frames 1.
The side frames 18a and 18b are provided on the base frame 19 so as to be rotatable between the base frames 19a and 18b. The transfer roller 17 is a free roller. The connection transfer section 1c is connected to an end of the other transfer apparatus main body 1b via a pair of left and right hinge members 20, and is connected to an end of one transfer apparatus main body 1a at a connection position A (FIGS. 2, 4). (See FIG. 3) and a retracted position B (see FIGS. 3 and 5) that is separated downward from the end of one of the transfer device main bodies 1a. The rotation of the connection transport section 1c is performed around a transport support shaft 21 (hinge shaft) constituting the hinge member 20, and the transport support shaft 21 is provided to be inclined at the same angle as the transport surface 13. I have. The transfer roller 17
Are also inclined to one of the right and left sides, similarly to the transporting roller 8, so that the connection transporting section 1c also has one side with respect to the transporting path 14 in the same manner as the two transporting apparatus main bodies 1a, 1b. Is formed.

As shown in FIGS. 1 and 2, one side frame 9a of the one main body 1a of the one main body 1a guides the load 12 on the main body 1a of the one main body along the conveying path 14. A guide device 22a is provided, and one side frame 9a of the other transport device main body 1b is provided with another guide device 22b that guides the load 12 on the other transport device main body 1b along the transport path 14. Further, one end of the other guide device 22b has a connection guide portion 22c for guiding the load 12 on the connection transfer portion 1c along the transfer path 14.
Is provided.

The two guide devices 22a and 22b are respectively provided on the guide frame 2 provided on the side frame 9a.
3 and a plurality of guide rollers 24 provided on the guide frame 23. Each of the guide devices 22a and 22b has a guide surface 29 for guiding the load 12, which is perpendicular to the transport surface 13 and inclined with respect to a horizontal plane. In addition, the connection guide 22c is
The guide frame 25 includes a plurality of guide rollers 24 provided on the guide frame 25.
In addition, each guide roller 24 is rotatable in the direction of the transport path 14 and is provided in two upper and lower rows. Similarly to the two guide devices 22a and 22b, a guide surface 29 that is perpendicular to the transport surface 13 and that is inclined with respect to a horizontal plane is also formed on the connection guide portion 22c.

The connection guide portion 22c is connected to one end of the other guide device 22b through a hinge member 26, and is connected to an end of the one guide device 22a.
A (see FIGS. 2 and 7) and a retreat position BB (see FIGS. 3 and 8) that is separated outward from the end of one of the guide devices 22a.
And it is configured to be rotatable. The connection guide 2
The rotation of 2c is performed by the guide support shaft 27 constituting the hinge member 26.
(The hinge axis), and the guide support shaft 27 is provided to be inclined at the same angle as the guide surface 29.

As shown in FIG. 1, the transfer surface 13 and the guide surface 29 are orthogonal to each other, the inclination angle α of the transfer surface 13 is set to 23 °, and the inclination angle β of the guide surface 29 is 67 °. Is set to The inclination angle α of the transfer surface 13 is 1
The inclination angle β of the guide surface 29 is set in the range of 8 ° to 72 ° (predetermined range), and is set in the range of 72 ° to 18 ° (predetermined range).
Is set within.

As shown in FIG. 2, one supporting device main body 82a is composed of the one conveying device main body 1a and one guiding device 22a, and the other conveying device main body 1b and the other guiding device 22b are connected to each other. , The other supporting device main body 82b is formed, and the connection conveying portion 1c and the connection guide portion 22c form a connection supporting portion 82c. The support surfaces formed on both the support device main bodies 82a and 82b and the connection support portion 82c include the transport surface 13 and the guide surface 29.
The support shaft corresponds to the transport support shaft 21 and the guide support shaft 27.

A switching means 35 is provided for switching the connection conveyance section 1c from the connection position A to the retreat position B by switching the connection conveyance section 1c from the connection position AA to the retreat position BB by lowering the fire prevention shutter 6. Have been.

The structure of the switching means 35 will be described below. That is, as shown in FIGS. 12 and 13, the base frame 10 at the end of the one transporting device main body 1a includes:
A pair of left and right transfer-side engaging members 36a and 36b that can move back and forth in the direction of the transfer path 14 (front-rear direction) are provided. On the other hand, as shown in FIGS. 4 to 6, a pair of engaged members 37 is provided at the free end of the base frame 19 of the connection transport section 1 c, and a pair of engaged members 37 are respectively engaged. Hole 38
Are formed. As shown in FIG. 4, when the two transport-side engaging members 36a and 36b protrude and engage with the two engaged holes 38, as shown in FIG.
Is held at the connection position A. Also, as shown in FIG.
As the two transport-side engaging members 36a and 36b retreat and disengage from the two engaged holes 38, as shown in FIG. 3, the connection transport portion 1c is rotated from the connection position A to the retreat position B by its own weight. Move. As shown in FIG. 13, the two transport-side engaging members 36a and 36b are each urged in the projecting direction by a tension coil spring 39 (an example of an urging means).

As shown in FIGS. 13 and 14, at one end of the guide frame 23 of one of the guide devices 22a, there is provided a guide-side engaging member 41 which can move back and forth in the direction of the transport path 14 (front-back direction). Is provided. On the other hand, as shown in FIGS. 7 and 8, an engaged member 42 is provided at the free end of the guide frame 23 of the connection guide portion 22c.
2, an engaged hole 43 is formed. As shown in FIG. 7, when the guide-side engaging member 41 projects and engages with the engaged hole 43, as shown in FIG. 2, the connection guide portion 22c is held at the connection position AA. Further, as shown in FIG. 8, the guide side engaging member 41 is retracted to
3, the connection guide portion 22c rotates from the connection position AA to the evacuation position BB by its own weight, as shown in FIG. As shown in FIG. 13, the guide-side engaging member 41 is urged in a projecting direction by a tension coil spring 44 (an example of an urging means).

As shown in FIGS. 10 and 11, a mounting member 45 is provided upright on the other side of the base frame 10 at the end of the one transfer device main body 1a.
An operating lever 46 (an example of an operating member) that rotates up and down by opening and closing the fireproof shutter 6 is provided on an upper portion of the horizontal axis 47.
Is provided via The horizontal shaft 47 is provided with a swing member 48 that swings up and down with the rotation of the operation lever 46. The oscillating member 48 and one transport-side engaging member 36a are linked and connected by a first wire 49 (corresponding to a transport-side wire), and the oscillating member 48 and the other transport-side engaging member 36b are The swing member 48 and the guide-side engaging member 41 are connected to each other by a third wire 51 (corresponding to a guide-side wire).
Are linked together.

The first to third wires 49, 50, 51
Are guided by a plurality of guide wheels (such as sheaves). That is, as shown in FIGS. 10 to 14, guide wheels 53, 54 are provided at two upper and lower positions on the near side of the mounting member 45, and guide wheels 55, 56, 57 are provided on the rear side of the mounting member 45. Are provided at three locations above and below. Each of the guide wheels 53 to 57 is configured to be freely rotatable around an axis in the width direction (left-right direction) of the roller conveyor device 1. The guide wheels 55, 56, and 57 are adjustment guide wheels that adjust the tension of the wires 49, 50, and 51, and are configured to be movable in the front-rear direction (the direction of the transport path 14).

Further, three guide wheels 58, 59, 60 are provided on the other side of the base frame 10 of one of the transfer device main bodies 1a.
And two guide wheels 61 and 62 are provided on one side of the base frame 10. These guide cars 5
Reference numerals 8 to 62 are configured to be freely rotatable around the axis of the roller conveyor device 1 in the direction of the transport path 14 (front-back direction). Guide wheels 63 and 64 are provided on the front side of the one transfer side engagement member 36a and on the front side of the other transfer side engagement member 36b, respectively. The guide wheel 63 is freely rotatable around a vertical axis.
The guide wheel 64 is provided on the base frame 10 so as to be freely rotatable about an axis in the width direction (left-right direction) of the roller conveyor device 1. The guide frame 23 of the one guide device 22a is provided with a guide wheel 65 that is freely rotatable about the axis in the width direction (left-right direction) of the roller conveyor device 1.

As shown in FIGS. 10 to 12, the first wire 49 is guided from the swing member 48 to the guide wheels 53 → 57 → 5.
4, is guided horizontally by the guide wheel 58 below the transport roller 8, and is guided by the guide wheel 63 to one of the transport-side engaging members 36 a.

As shown in FIGS. 10 to 13, the second wire 50 is moved from the swing member 48 to the guide wheels 53 → 5.
It is guided downward by 5 → 54, guided obliquely below the transport roller 8 by the guide wheel 59, guided upward by the guide wheel 61, and guided to the other transport side engaging member 36b by the guide wheel 64. I have.

Further, the third wire 51 is guided downward from the swinging member 48 by guide wheels 53 → 56 → 54, guided by the guide wheel 60, traverses below the conveying roller 8, and is guided by the guide wheel 62. As a result, it is guided upward from one side frame 9a of one transport device main body 1a, and guided to the guide side engaging member 41 by the guide wheel 65.

As shown in FIG. 11, the operating lever 46 is urged by an urging means such as a tension coil spring 67 so as to return to the obliquely upward standby position W. FIG. 4-
As shown in FIG. 6, the connection transport section 1c is placed in the retreat position B on the base frame 10 of the other transport apparatus main body 1b.
And a pair of left and right latch devices 69 (an example of a fixing means) for fixing at the right and left sides are provided. Each of the two latch devices 69 includes a retractable claw member 70 having a guide surface 72 inclined at the distal end, and urging means such as a compression coil spring 71 for urging the claw member 70 in the protruding direction. ing. Also, the above-mentioned claw members 70 are attached to both the hinge members 20 respectively.
An engaging piece 73 is provided which can be disengaged from the engaging piece 73. As shown in FIG. 5, when the connection transport section 1 c rotates to the retreat position B, the engaged piece 73 rotates around the transport support shaft 21 of the hinge member 20, and It is guided and engages with the claw member 70. Thereby, the connection transport section 1c
Is fixed at the retreat position B.

Similarly, as shown in FIGS. 7 to 9, a latch device 75 (an example of a fixing means) for fixing the connection guide portion 22c at the retracted position BB on the guide frame 25 of the other guide device 22b. Is provided. The latch device 75 includes a retractable claw member 77 having a guide surface 76 inclined at the tip, and urging means such as a compression coil spring 78 for urging the claw member 77 in the protruding direction. . Further, the hinge member 26 is provided with an engaged piece 79 which is detachable from the claw member 77. FIG.
When the connection guide portion 22c rotates to the retreat position BB, the engaged piece 79 rotates around the guide support shaft 27 of the hinge member 26 and is guided by the guide surface 76 as shown in FIG. And engages with the pawl member 77. Thereby, the connection guide part 2
2c is fixed to the retreat position BB.

As shown in FIG. 3, when the connection transport section 1c pivots to the retreat position B and the connection guide section 22c pivots to the retreat position BB, as shown in FIG. A gap 80 is formed between the conveying device main body 1b and between one guide device 22a and the other guide device 22b.
Is configured to move up and down.

The operation of the above configuration will be described below.
Normally, as shown in FIG. 4, both transport side engagement members 36a,
36b is urged in the protruding direction by the tension coil spring 39 and engages with both engaged holes 38, whereby the connection transport portion 1c is held at the connection position A as shown in FIG.
As shown in FIG. 7, the guide side engaging member 41 is urged in the projecting direction by the extension coil spring 44 and
, Whereby the connection guide portion 22c is held at the connection position AA as shown in FIG.

In this state, as shown in FIG. 15, when the operator pushes the load 12 on the roller conveyor device 1 in the transfer direction, the load 12 is transferred to each of the transfer rollers 8 of the transfer device main body 1a. While being supported by the guide rollers 24 of one of the guide devices 22a, and then guided while being supported by the respective transfer rollers 17 of the connection transfer section 1c. It is guided while being supported by each guide roller 24, and is further conveyed while being supported by each transport roller 8 of the other transport device main body 1b, and is guided while being supported by each guide roller 24 of the other guide device 22b. .

At this time, as shown in FIG. 1, since the transport surface 13 is inclined to one side of the roller conveyor device 1, the load 12 is transported in a posture inclined to one side. This allows the operator to smoothly load and unload the load 12 from one side of the roller conveyor device 1.

If the fire detector detects that a fire or the like has occurred, the fire prevention shutter 6 automatically lowers. At this time, the fireproof shutter 6 comes into contact with the tip of the operating lever 46, and pushes down the operating lever 46 from the standby position W to the operating position V as shown by the imaginary line in FIG.
Thereby, the swing member 48 swings via the horizontal shaft 47,
The first to third wires 49, 50, 51 are pulled, and FIG.
As shown in FIG. 8, the two transport-side engaging members 36a and 36b are removed from the two engaged holes 38, and the guide-side engaging member 41 is removed from the engaged hole 43 as shown in FIG. . Thereby, the connection conveyance section 1c is rotated by its own weight from the connection position A to the retreat position B around the conveyance support shaft 21, and at the same time, the connection guide section 22c is moved from the connection position AA by its own weight around the guide support shaft 27. Rotate to BB.

As a result, as shown in FIG. 3, one of the transfer device main bodies 1a and the other transfer device main body 1b are separated from each other, and the one guide device 22a and the other guide device 2 are separated.
2b are separated from each other, and the fireproof shutter 6 is separated from the gap 80 from above.
And the opening 5 is closed, and the one room 2 and the other room 3 are shut off by the closed fire shutter 6.

Note that, as shown in FIG.
When c moves to the retreat position B, the engaged piece 73 rotates around the transport support shaft 21 of the hinge member 20 and the latch device 6
9 is engaged with the claw member 70 by being guided by the guide surface 72. As a result, the connection transport section 1c is fixed at the retreat position B, so that careless swinging can be prevented.

Similarly, as shown in FIG.
When 2 c is rotated to the retracted position BB, the engaged piece 79 rotates around the guide support shaft 27 of the hinge member 26 and is guided by the guide surface 76 of the latch device 75 and engages with the claw member 77. I do. Thereby, the connection guide portion 22c is fixed at the retreat position BB, so that it is possible to prevent the connection guide portion 22c from swinging carelessly.

Since the connection transfer section 1c is rotated from the connection position A to the retracted position B by its own weight, the connection transfer section 1c is rotated.
A dedicated driving device or the like for rotating c to the retreat position B is not required. Similarly, the connection guide portion 22c is rotated from the connection position AA to the retreat position BB by its own weight. A dedicated driving device for rotating to BB is not required.

As shown in FIGS. 10 to 14, the first wire 49 is connected to each guide wheel 53 → 57 → 54 → 58 → 63.
As a result, the sheet is guided from the other side of one of the transfer device main bodies 1a to the transfer side engaging member 36a via the lower side of the transfer roller 8. Also, the second wire 50 is connected to each guide wheel 53 → 55 →
Through 54 → 59 → 61 → 64, the sheet is guided from the other side of one of the transfer device main bodies 1a to the transfer side engaging member 36b via the lower portion of the transfer roller 8. Further, the third wire 51
Is guided by the guide wheels 53 → 56 → 54 → 60 → 62 → 65 from the other side of one of the transfer device main bodies 1a under the transfer roller 8 to the guide side engagement member 41. As described above, by guiding the first to third wires 49, 50, 51 from the other side of one of the transfer device main bodies 1a to below the transfer roller 8, these wires 49, 50, 51 are connected to one transfer device. It does not obstruct the worker who takes in and out the load 12 from one side of the apparatus main body 1a. Similarly, the operating lever 46 does not hinder the worker who takes in and out the load 12 from one side of the one transporting apparatus main body 1a.
Neither 51 nor the operating lever 46 obstructs the load 12 to be conveyed.

As shown in FIG. 1, the inclination angle α of the conveying surface 13 is set within a range (predetermined range) of 18 ° to 72 °, and the inclination angle β of the guide surface 29 is 72 ° to 18 °. By being set within the range (predetermined range), the bottom surface of the load 12 is reliably supported and transported by the transport roller 8 without being lifted from the transport roller 8, and the load 12
Is reliably supported and guided by the guide roller 24 without being lifted from the guide roller 24.

When the fire prevention shutter 6 is moved upward and the opening 5 is opened, the operating lever 46 is returned from the operating position V to the standby position W by the extension coil spring 67 as shown by the solid line in FIG. , And furthermore, the operator operates each of the latch devices 6.
9 and 75, the engaging pieces 73 are disengaged from the claw members 70, and the engaging pieces 7
9 is removed from the claw member 77. Thereby, the fixing of the connection transport portion 1c at the retreat position B is released, and the fixing of the connection guide portion 22c at the retreat position BB is released. Then, as shown in FIG. 4, the operator rotates the connection conveyance section 1c to the connection position A, engages both conveyance side engagement members 36a, 36b with both engagement holes 38, and further,
As shown in FIG. 7, the connection guide portion 22c is rotated to the connection position AA, and the guide side engagement member 41 is engaged with the engagement hole 43. Thereby, the connection conveyance section 1c is held at the connection position A and the connection guide section 22c is held at the connection position AA, so that a normal conveyance operation can be performed.

The transport support shaft 2 constituting the hinge member 20
1 is provided to be inclined at the same angle as the transfer surface 13, the connection transfer portion 1 c can be smoothly rotated, and similarly, the guide support shaft 27 forming the hinge member 26 is connected to the guide surface 2.
9, the connection guide portion 22c can be smoothly rotated.

In the above embodiment, free rollers are used as the rollers 8, 17, but only the rollers 8, 17 or the conveying roller 8 may be forcibly rotated by a driving device.

In the above embodiment, the roller conveyor device 1 has been described as an example of the supporting and conveying device.
The supporting transport device may be configured such that the traveling vehicle travels while being guided and supported on a traveling rail provided along the vehicle. Further, a belt conveyor device may be used.

In the above embodiment, the roller conveyor device 1 is installed on the floor, but may be installed on the ceiling. In the above-described embodiment, the connection transport section 1c is configured to rotate downward from the connection position A to the retreat position B. However, the retreat position B is set upward, and the connection transport section 1c is moved to the connection position A.
From above to the retreat position B.

In the above embodiment, the occurrence of a fire is taken as an abnormal situation, and when a fire occurs, the fireproof shutter 6 is closed to shut off the connection between one room 2 and the other room 3. The present invention is not limited to this, and may be at the time of an earthquake. In this case, one or both of the transport device main bodies 1a and 1b are installed on the floor of the seismic isolation structure, and when an earthquake is detected, the connection transport portion 1c is retracted to the retreat position B and at the same time, the connection guide portion 22c is retracted. May be retracted to the retracted position BB.

In the above embodiment, as shown in FIG.
Although the transport surface 13 is orthogonal to the guide surface 29, the angle from the transport surface 13 to the guide surface 29 may be an acute angle or an obtuse angle.

In the above embodiment, as shown in FIG.
Although the connecting and transporting section 1c is attached to the other transporting apparatus main body 1b via the hinge member 20, the one transporting apparatus main body 1a
It may be attached to. Further, the connection guide portion 22c is attached to the other guide device 22b via the hinge member 26, but may be attached to the one guide device 22a.

In the above embodiment, as shown in FIG.
Although both the transport surface 13 and the guide surface 29 are inclined, only one of them may be inclined.

[0063]

As described above, according to the first aspect of the present invention, since the support surface is inclined in the width direction, the loading and unloading of the load with respect to the support transport device can be performed smoothly. Also, if an abnormality is detected in the surroundings, the connection support portion rotates from the connection position to the retracted position, and the one support device main body and the other support device main body are separated.

According to the second aspect of the invention, if an abnormality is detected in the surrounding area, the connection support portion rotates from the connection position to the retracted position, and the disaster prevention door enters the gap. Between the supporting device main body and the other supporting device main body is shut off by the disaster prevention door.

According to the third aspect of the present invention, when the connection support is turned to the retracted position, the connecting support is fixed to the retracted position by the fixing means. Thereby, it is possible to prevent the connection support portion from inadvertently swinging from the retracted position.

According to the fourth aspect of the present invention, the load is supported and conveyed by the one main body of the conveying device while being guided by the one guiding device, and then is supported by the connecting and conveying portion while being guided by the connecting guide portion. It is conveyed, and is further conveyed while being guided by the other guiding device and supported by the other conveying device main body.

If an abnormality is detected in the surrounding area,
The connection conveyance unit is rotated from the connection position to the retreat position, and one of the conveyance device main bodies and the other conveyance device main body are separated, and the connection guide unit is turned from the connection position to the retreat position,
One guiding device and the other guiding device are separated.

According to the fifth aspect of the present invention, the load is reliably received by the transport surface and the guide surface without being lifted from the transport surface or the guide surface, transported by the transport surface, and guided by the guide surface.

According to the sixth aspect, when the occurrence of an abnormality in the surroundings is detected, the switching means switches the connection transporting section and the connection guide section from the connection position to the retracted position at the same time. According to the seventh aspect, in the event that a fire or the like occurs and the disaster prevention door descends, the switching means is operated by the disaster prevention door, and the connection transport unit and the connection guide unit are simultaneously moved from the connection position to the retreat position. Is switched to

According to the eighth aspect of the present invention, since the connection transport section and the connection guide section each rotate to the retracted position by their own weights, the exclusive use for rotating the connection transport section and the connection guide section to the retracted position respectively. Drive device or the like may be unnecessary.

According to the ninth aspect, the transfer-side wire is guided by the guide wheel from below the operating member to below the transfer device main body to the transfer-side engaging member. The wires are guided upward from below the operating member across the lower part of the conveying device body by the guide wheel and guided to the guide side engaging member, so that these wires obstruct the load being conveyed and the workers. Never.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a roller conveyor device according to an embodiment of the present invention as viewed from the upper side in a transport direction.

FIG. 2 is a view as viewed in the direction of the arrow X in FIG. 1, and shows a state in which a connection transport section and a connection guide section are held at a connection position.

FIG. 3 is a view as viewed in the direction of the arrow X in FIG. 1, showing a state in which the connection transport unit and the connection guide unit are retracted to a retracted position.

FIG. 4 is a partially cutaway side view of the connection conveyance section of the roller conveyor device, showing a state where the connection conveyance section is held at a connection position.

FIG. 5 is a partially cutaway side view of the connection conveyance section of the roller conveyor device, showing a state where the roller is retracted to a retracted position.

FIG. 6 is a plan view of a connection conveyance section of the roller conveyor device.

FIG. 7 is a partially cutaway plan view of the connection guide portion of the roller conveyor device, showing a state where the connection guide portion is held at a connection position.

FIG. 8 is a partially cutaway plan view of the connection guide portion of the roller conveyor device, showing a state in which the roller guide device is retracted to a retracted position.

FIG. 9 is a partially cutaway side view of the guide device and the connection guide portion of the roller conveyor device.

FIG. 10 is a front view of the switching means of the roller conveyor device.

11 is a view as viewed in the direction of arrows XX in FIG. 10;

FIG. 12 is a view taken in the direction of arrows YY in FIG. 10;

13 is a view as viewed in the direction of arrows ZZ in FIG.

14 is a view as viewed in the direction of arrows XX in FIG.

FIG. 15 is a view showing a transfer operation using the roller conveyor device.

FIG. 16 is a front view of a conventional supporting and transporting device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Roller conveyor apparatus (supporting conveyance apparatus) 1a One conveyance apparatus main body 1b The other conveyance apparatus main body 1c Connection conveyance part 6 Fireproof shutter (disaster prevention door) 12 Load 13 Transport surface 14 Transport path 21 Transport support shaft 22a One guide apparatus 22b The other guide device 22c Connection guide portion 27 Guide support shaft 29 Guide surface 35 Switching means 36a, 36b Transport side engagement member 41 Guide side engagement member 46 Operation cover (operation member) 49, 50 First and second wires (Transfer-side wire) 51 Third wire (guide-side wire) 53-65 Guide wheel 69, 75 Latch device (fixing means) 80 Air gap 82a One support device main body 82b The other support device main body 82c Connection support portions A, AA Connection position B, BB Evacuation position

Claims (9)

[Claims] 1. A supporting and transporting device for transporting a load along a transporting path while supporting the load, wherein one of the supporting device main bodies and the other supporting device main body are provided to be connected via a connecting support portion, and The portion is rotatably supported about a support shaft at a connection position connected to the support device main body and a retracted position separated from the support device main body. When an abnormality is detected around the connection portion, the connection support portion is connected. Rotating from the position to the retracted position, one support device main body and the other support device main body are separated,
The support surfaces formed on both the support device main body and the connection support portion are inclined in the width direction, and the support shaft is provided side by side in the same direction as the support surface. Support transport device. 2. A gap is formed between one support device main body and the other support device main body by rotating the connection support portion to the retracted position, and the disaster prevention door enters and leaves the gap. 2. The method according to claim 1, wherein
The support and transport device according to any one of the preceding claims. 3. The support transport device according to claim 1, further comprising a fixing unit that fixes the connection support unit at the retracted position. 4. One supporting device main body includes one conveying device main body and one guide device for guiding a load on one conveying device main body, and the other supporting device main body includes the other conveying device. The main body and the other guide device for guiding the load on the other transport device main body, the connection support portion, the connection transport portion, the connection guide portion configured to guide the load on the connection transport portion, The connection transport section is rotatably supported at a connection position connected to the transport apparatus main body and a retracted position separated from the transport apparatus main body around the transport support shaft, and the connection guide section is provided around the guide support shaft. The pivotal support is rotatably supported between a connection position connected to the guide device and a retreat position separated from the guide device, and when an abnormality is detected around the connection device, the connection conveyance unit pivots from the connection position to the retreat position. When one transfer device main body and the other transfer device main body are separated, In the meantime, the connection guide part is rotated from the connection position to the retreat position, one guide device and the other guide device are separated from each other, and a transfer surface formed on both the transfer device main body and the connection transfer portion; At least one of the guide surface formed on the device and the connection guide portion is inclined in the width direction, the transport support shaft is provided at the same angle as the transport surface, and the guide support shaft is provided on the guide surface. The supporting and conveying device according to any one of claims 1 to 3, wherein the supporting and conveying device is provided at the same angle as that of the supporting and conveying device. 5. The support and transport device according to claim 4, wherein the transport surface and the guide surface are each inclined at an angle within a predetermined range. 6. A switching means for switching the connection transport section and the connection guide section from the connection position to the retreat position simultaneously when an abnormality is detected in the surroundings. Item 6. A supporting and conveying device according to Item 5. 7. The supporting and transporting apparatus according to claim 6, wherein the switching means is operated by lowering a disaster prevention door. 8. The support according to claim 4, wherein each of the connection conveyance section and the connection guide section rotates to a retreat position by its own weight and retreats to the outside of the conveyance path. Transport device. 9. The switching means includes: a transfer-side engaging member that can be disengaged from the connection conveyance unit at the connection position; a guide-side engagement member that can be disengaged from the connection guide unit at the connection position; An actuating member operated by the above, a conveying wire for interlockingly connecting the conveying side engaging member and the operating member, a guide wire for interlockingly connecting the guide side engaging member and the operating member, and each of these wires A plurality of guide wheels for guiding, the operating member is provided on the opposite side of the guide device, and the transport side wire is guided by the guide wheel from below the operating member to below the transport device main body and to the transport side engaging member. Guided to the joint member,
9. The guide wire according to claim 7, wherein the guide-side wire is guided upward by a guide wheel from below the operating member, across the lower part of the conveying device body, and guided to the guide-side engaging member. 10. Support and transport equipment.