JPH0733382A - Suspended traveling device - Google Patents

Abstract

PURPOSE:To stably and smoothly move the lower rail of a suspended traveling device. CONSTITUTION:Two upper rails 1 arranged at an interval on the right and left and extended in the longitudinal direction are fixed to a support member 2, an upper trolley 3 is suspended on each upper rail 1 respectively, and a support device 5 is horizontally rotatably fitted to the lower section of each upper trolley 3 via a bearing support metal 4. Support rods 7 extended in the longitudinal direction of a lower rail 6 are fitted on both sides in the longitudinal direction of the lower rail 7 extended in the right and left direction via connecting metals 8, and the support device 5 is slidably coupled with the support rods 7. A pressure receiving vertical shaft 9 arranged at one side section in the diameter direction of the bearing support metal 4 is fixed to the support device 5, a spring holding vertical shaft 10 arranged at the other side section is fixed to the bearing support metal 4 via a connecting member 11, two linear arms 13 of an attitude holding spring 12 coupled with the spring holding vertical shaft 10 at the intermediate section are arranged face to face on both sides in the diameter direction of the pressure receiving vertical shaft 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suspension traveling device that supports and moves various members.

[0002]

2. Description of the Related Art Conventionally, as a suspension traveling device, two upper rails extending in the front-rear direction are fixed to a support member, an upper trolley is hung on each upper rail, and the upper and lower trolleys are hung in the left and right directions. There is known a structure in which a lower rail extending to a horizontal rail is horizontally rotatably connected and a lower trolley for supporting a member is suspended on the lower rail (for example, Japanese Patent Application No. 4-1).
50136).

[0003]

In the case of the above-mentioned conventional suspension traveling apparatus, the lower rail is suspended from the lower trolley at one end thereof while the lower rail has a long span and the lower rail is being moved forward. If one end of the lower rail is moved backward by pulling on the member that is being moved, one end of the lower rail will be moved far backward, making the lower rail unstable and making it impossible to move the lower rail smoothly. There is a drawback that.

[0004]

In order to advantageously solve the above-mentioned problems, in the hanging traveling apparatus of the present invention, two upper rails which are arranged at intervals in the left-right direction and extend in the front-rear direction. 1 is fixed to the support member 2, and each upper rail 1
The upper trolleys 3 are respectively hung from the upper trolleys 3, and the supporting devices 5 are horizontally rotatably attached to the lower portions of the respective upper trolleys 3 via the bearing support fittings 4, and both sides in the longitudinal direction of the lower rail 6 extending in the left-right direction. A supporting rod 7 extending in the longitudinal direction of the lower rail is attached via a connecting metal fitting 8, a supporting device 5 is slidably fitted to the supporting rod 7, and is arranged on one side of the bearing supporting metal fitting 4 in the diameter direction. The pressure receiving vertical axis 9 is fixed to the support device 5, and the spring holding vertical axis 10 arranged on the other side in the diametrical direction of the bearing support fitting 4 is fixed to the bearing support fitting 4 via the connecting member 11. The two linear arms 13 of the posture holding spring 12 whose middle portion is fitted to the spring holding vertical axis 10 are opposed to both sides of the pressure receiving vertical axis 9 in the diametrical direction. In addition, two upper rails 1 arranged at intervals in the left-right direction and extending in the front-rear direction are fixed to the support member 2,
An upper trolley 3 is suspended on each upper rail 1, and a support device 5 is horizontally rotatably attached to a lower portion of each upper trolley 3 via a bearing support fitting 4, and a longitudinal direction of a lower rail 6 extending in the left-right direction. Support rods 7 extending in the longitudinal direction of the lower rail are attached to both sides of the support rails via connecting metal fittings 8, the supporting devices 5 are slidably fitted to the support rods 7, and the side portions of the bearing support metal fittings 4 receive pressure. The horizontal shaft 39 is fixed and its pressure receiving horizontal shaft 3
In the lower part of 9, the spring bearing horizontal shaft 40 and the spring holding horizontal shaft 41 located below the spring bearing horizontal shaft 40 are fixed to the support device 5, and the middle portion is fitted to the holding horizontal shaft 41. The above-mentioned problem can be advantageously solved also by causing the two linear arms 13 of the posture maintaining spring 12 to face each other in the diametrical direction of the pressure receiving horizontal shaft 39 and the spring supporting horizontal shaft 40. be able to.

[0005]

1 to 5 show a first embodiment of the invention of claim 1, in which vertical side plates 15 are provided on both left and right sides of a horizontal strip-shaped upper plate 14 extending in the front-rear direction. Horizontal flanges 1 that are bent downwardly and continuously, and project at the lower ends of the side plates 15 in directions approaching each other at the same level.
6 are connected in a bent manner, and upward protruding ridges 17 perpendicular to the horizontal flanges 16 are bent and constructed so that the steel upper rail 1
Is configured.

The upper portion of the hanging member 18 is disposed in the upper rail 1 through the space between the pair of upward protruding ridges 17,
The suspension member 1 is provided on both left and right sides of the upper portion of the suspension member 18.
The base ends of the tilt shafts 19 that tilt so as to rise in the left-right direction from the left and right side surfaces of 8 are fixed by welding, and the tilt shafts 19 are mounted on the upper surfaces of the horizontal flanges 16. Inclined traveling wheel 2 having a conical surface 20
1 is rotatably fitted through a bearing, the inclined traveling wheels 21 incline so that they approach each other from the lower end to the upper end, and the horizontal lower edge of the inclined traveling wheels 21 is the upper rail. 1 is mounted on the upper surface of the horizontal flange 16.

An intermediate portion of a support shaft 22 extending in the front-rear direction is inserted through an upper portion of the bearing support fitting 4 arranged below the suspension member 18, and both ends of the support shaft 22 are U-shaped support fittings 23.
Of the U-shaped support fitting 23 is connected to the lower part of the hanging member 18 by a bolt 24.

Two upper rails 1 extending in the front-rear direction
Are arranged in parallel in the left-right direction at the same level, and each upper rail 1 is fixed by a bolt 25 to a plurality of support members 2 fixed to a ceiling or a beam.

The lower rail 6 extending in the left-right direction has the same cross-sectional shape as the upper rail 1, and is formed on the upper surface plate 26 of the lower rail 6 on both sides in the longitudinal direction of the lower rail 6 so as to have an upward opening groove shape. Bottom plate 2 of the steel connecting fitting 8
7 are fixed by welding, and the steel support rod 7 is inserted through the outer end plate 28 and the inner end plate 29 of the connecting metal fitting 8 in the lower rail longitudinal direction and is locked by the locking pin 30. Further, the support fitting 31 in the support device
Is slidably fitted to the support rod 7.

A bearing 32 is interposed between a horizontal upper plate of the support fitting 31 and a lower flange of the bearing support fitting 4, and a U-shaped support fitting 23 is attached to the lower portion of the hanging member 18 with a bolt 24. The support device 5 is configured by the bearing support fitting 4 locked to the U-shaped support fitting 23 via the support shaft 22 and the support fitting 31 supported by the bearing support fitting 4 via the bearing 32. Has been done.

The pressure receiving vertical axis 9 arranged on one side portion of the bearing support fitting 4 in the left-right direction is fixed to the support fitting 31 by welding and is arranged on the other side portion of the bearing support fitting 4 in the left-right direction. One end of the connecting member 11 is fixed to the upper and lower parts of the spring holding vertical axis 10, and the intermediate spiral portion of the posture holding spring 12 is fitted on the spring holding vertical axis 10 to connect each connecting member. The other end of 11 is fitted to the bearing support fitting 4, and at least one connecting member 11
Is fixed to the bearing support fitting 4 by welding, and the linear arms 13 on the front and rear sides of the attitude holding spring 12 are in contact with or close to the front and rear side portions of the bearing support fitting 4 and the front and rear side portions of the pressure receiving vertical axis 9. It is arranged.

A plurality of inclined traveling wheels 35 on the front and rear sides of the lower trolley 34 on which the vacuum suction tool 33 for lifting and carrying is suspended.
Is mounted on the pair of horizontal flanges 36 of the lower rail 6, and the configuration of the inclined traveling wheels 35 of the lower trolley 34 is also
The configuration is similar to that of the upper trolley 3.

The vacuum suction tool 33 for lifting and carrying is attached to the lower rail 6
When the lifting suction vacuum suction tool 33 is pushed or pulled in the front-rear direction in a state in which it is positioned on the end side, the lower rail 6 tends to be largely displaced from the direction perpendicular to the upper rail 1. When the lower rail 6 is largely displaced in this way, the linear arm 13 of the posture maintaining spring 12 is
However, since it is elastically pressed and deformed by the pressure-receiving vertical axis 9 and resists the deviation, when the hand is lifted from the vacuum suction tool 33 for lifting and carrying, the lower rail 6 is in a state substantially perpendicular to the upper rail 1. Automatically returns to. Therefore, the lower rail 6 can always travel smoothly.

FIGS. 6 and 7 show a second embodiment of the invention of claim 1 in which U having an H-shaped cross section is used as the upper rail 1 and the supporting shaft 22 is mounted on the bottom. The upper flange of the shape support metal fitting 23 is the base plate 3 of the upper trolley 3.
7 is fixed by bolts 38, the other structure is the same as that of the first embodiment of the invention of claim 1.

FIGS. 8 to 10 show an embodiment of the invention of claim 2, wherein two upper rails 1 which are arranged at intervals in the left-right direction and extend in the front-rear direction are provided on a support member 2. The upper trolleys 3 are fixed to the upper rails 1 and the upper trolleys 3 are respectively hung from the upper rails 1. The lower rails 6 extend horizontally in the lower part of the upper trolleys 3 through the bearing support fittings 4 so as to be horizontally rotatable. Support rods 7 extending in the longitudinal direction of the lower rail are attached to both sides of the support rails 5 in the longitudinal direction, and the supporting devices 5 are slidably fitted to the support rods 7.
A pressure receiving lateral shaft 39 is fixed to a side portion of the bearing support fitting 4, and a spring located on the supporting device 5 at a lower portion of the pressure receiving lateral shaft 39 and at a lower portion of the spring bearing lateral shaft 40 and the spring bearing lateral shaft 40. The horizontal shaft 41 for holding is fixed, and the horizontal shaft 41 for holding is fixed.
The two linear arms 13 of the posture maintaining spring 12 whose middle portion is fitted to the both sides of the pressure receiving lateral shaft 39 and the spring supporting lateral shaft 40 are opposed to each other in the diametrical direction. The configuration is the same as that of the first embodiment of the invention of claim 1.

[0016]

According to the present invention, the two upper rails 1 which are arranged at intervals in the left-right direction and extend in the front-rear direction are fixed to the supporting member 2, and the upper trolleys 3 are respectively attached to the respective upper rails 1. The support device 5 is hanged and attached to the lower part of each upper trolley 3 via the bearing support fitting 4 so as to be horizontally rotatable, and extends in the longitudinal direction of the lower rail on both sides in the longitudinal direction of the lower rail 6 extending in the left-right direction. The supporting rod 7 is attached via the connecting metal fitting 8, the supporting device 5 is slidably fitted to the supporting rod 7, and the pressure receiving vertical axis 9 is arranged on one side in the diametrical direction of the bearing supporting metal fitting 4. Is fixed to the support device 5, and the spring holding vertical axis 10 arranged on the other side in the diametrical direction of the bearing support fitting 4 is fixed to the bearing support fitting 4 via the connecting member 11 so that the spring holding vertical Posture holding spring 12 having an intermediate portion fitted to the shaft 10. The two linear arms 13, either by opposite sides of the diameter direction of the pressure receiving longitudinal axis 9, or lateral direction are arranged at intervals extending in the longitudinal direction 2
An upper rail 1 of the book is fixed to a support member 2, an upper trolley 3 is hung on each upper rail 1, and a supporting device 5 is horizontally rotatable below a lower portion of each upper trolley 3 via a bearing support fitting 4. Attaching and mounting the supporting rods 7 extending in the longitudinal direction of the lower rail on both sides in the longitudinal direction of the lower rail 6 extending in the left-right direction through the connecting metal fittings 8, and slidably fitting the supporting device 5 to the supporting rod 7. The pressure receiving lateral shaft 39 is fixed to a side portion of the bearing support fitting 4, the supporting device 5 is provided at a lower portion of the pressure receiving lateral shaft 39, and the spring bearing lateral shaft 40 and the spring bearing lateral shaft 40 are provided at a lower portion thereof. The two linear arms 13 of the posture holding spring 12 in which the spring holding horizontal shaft 41 located is fixed and the middle portion of which is fitted to the holding horizontal shaft 41 are connected to the pressure receiving horizontal shaft 39 and the spring support. The diametrical sides of the horizontal shaft 40 When the lower rail 6 tries to be largely displaced from the direction perpendicular to the upper rail 1, the linear arms 13 at the front and rear of the posture holding spring 12 are elastically pressed and deformed, and the upper trolley 3 and the lower rail 6 are deformed. The force generated between the lower rail 6 and the upper rail 1 is automatically returned to a state in which the lower rail 6 is substantially perpendicular to the upper rail 1 when the lifting suction vacuum suction tool 33 is released. Therefore, the lower rail 6 can always travel smoothly.

[Brief description of drawings]

FIG. 1 is a partially cutaway partially vertical front view showing a hanging traveling device according to a first embodiment of the invention of claim 1. FIG.

FIG. 2 is a partially cutaway vertical front view showing the right side portion of the hanging traveling device according to the first embodiment of the invention of claim 1;

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a partial vertical cross-sectional side view showing the right side portion of the suspension traveling device according to the first embodiment of the present invention.

FIG. 5 is a vertical sectional side view showing the vicinity of a lower rail in the first embodiment of the invention according to claim 1;

FIG. 6 is a partially longitudinal front view showing a hanging traveling device according to a second embodiment of the present invention.

FIG. 7 is a partially longitudinal side view showing a suspension traveling device according to a second embodiment of the invention of claim 1.

FIG. 8 is a partially cutaway vertical front view showing a hanging traveling device according to an embodiment of the invention as claimed in claim 2;

9 is a vertical sectional front view showing a part of FIG. 8 in an enlarged manner.

FIG. 10 is a partially longitudinal side view showing the vicinity of a posture maintaining spring in the embodiment of the invention of claim 2;

[Explanation of symbols]

 1 Upper Rail 2 Support Member 3 Upper Trolley 4 Bearing Support Fitting 5 Supporting Device 6 Lower Rail 7 Support Rod 8 Connecting Fitting 9 Pressure-Receiving Vertical Axis 10 Spring Holding Vertical Axis 11 Connecting Member 12 Posture Holding Spring 13 Straight Arm 14 Top Plate 15 Side plate 16 Horizontal flange 17 Upward projecting ridge 18 Suspending member 19 Inclined shaft 20 Conical surface 21 Inclined traveling wheel 22 Support shaft 23 U-shaped support metal fitting 24 Bolt 25 Bolt 26 Top plate 27 Bottom plate 28 Outer end plate 29 Inner end plate 30 Locking Pin 31 Supporting Metal Fitting 32 Bearing 33 Vacuum Adsorption Tool for Lifting and Transport 34 Lower Trolley 35 Inclining Wheels 36 Horizontal Flange 37 Base Plate 38 Bolt 39 Horizontal Pressure Bearing 40 Horizontal Bearing 41 Spring Holding Horizontal Shaft

Claims (2)

[Claims] 1. Two upper rails 1 arranged at intervals in the left-right direction and extending in the front-rear direction are fixed to a support member 2, and an upper trolley 3 is hung on each upper rail 1,
A support device 5 is horizontally rotatably attached to the lower portion of each upper trolley 3 via a bearing support fitting 4, and support rods extending in the lower rail longitudinal direction are provided on both sides in the longitudinal direction of a lower rail 6 extending in the left-right direction. 7, the support device 5 is slidably fitted to the support rod 7, and the pressure-receiving vertical axis 9 arranged on one side in the diametrical direction of the bearing support metal member 4 is attached to the support device. 5, and the spring holding vertical axis 10 arranged on the other side in the diametrical direction of the bearing supporting fitting 4 is fixed to the bearing supporting fitting 4 via the connecting member 11, and is attached to the spring holding vertical axis 10. Posture holding spring 1 with intermediate part fitted
A suspension traveling device in which two linear arms 13 of 2 are opposed to each other on both sides in the diametrical direction of the pressure receiving vertical axis 9. 2. Two upper rails 1 arranged at intervals in the left-right direction and extending in the front-rear direction are fixed to a supporting member 2, and an upper trolley 3 is hung on each upper rail 1,
A support device 5 is horizontally rotatably attached to the lower portion of each upper trolley 3 via a bearing support fitting 4, and support rods extending in the lower rail longitudinal direction are provided on both sides of the lower rail 6 extending in the left-right direction in the longitudinal direction. 7, the support device 5 is slidably fitted to the support rod 7, the pressure receiving horizontal shaft 39 is fixed to the side portion of the bearing support metal fitting 4, and the pressure receiving horizontal shaft 39 At the lower part, the spring bearing horizontal shaft 40 and the spring holding horizontal shaft 41 located below the spring bearing horizontal shaft 40 are fixed to the supporting device 5, and the intermediate portion is fitted to the holding horizontal shaft 41. The suspension traveling device in which the two linear arms 13 of the posture maintaining spring 12 are opposed to both sides of the pressure receiving horizontal shaft 39 and the spring supporting horizontal shaft 40 in the diametrical direction.