JP3742674B2 - Building unit production transfer equipment - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to an apparatus for transporting and producing a building unit, which is a component of a unit building, on a production line in a factory.
[0002]
[Background]
A unit type building is constructed by combining a plurality of building units produced in advance at a factory at a construction site. Production of each building unit in the factory is carried out by sequentially transporting the building units on a production line where each work process is arranged, and work for attaching construction materials and equipment materials to the building units is performed. Is called. A conventional building unit production line is composed of a roller conveyor as shown in Japanese Patent Application Laid-Open No. 61-244429, and a carrier that conveys the building unit by this conveyor is a leg portion placed on the roller conveyor. The leg portion is provided on the lower surface and has a placement portion on which the building unit is placed. The placement portion has a pallet shape that is substantially the same size as the bottom area of the building unit.
[0003]
[Problems to be solved by the invention]
As described above, the conventional building unit transport body has a pallet-shaped mounting portion, and is configured to transport the building unit on the mounting portion. Since the size is large and the size is large, the placement portion has a large area. For this reason, in the conventional building unit transport body, the mounting portion must be a structural body formed by combining a plurality of vertical and horizontal frame materials. As a result, a large number of members are required, and the structure is complicated. There was a problem.
[0004]
An object of the present invention is to provide a production transport device for a building unit that can reduce the number of members to be used and simplify the structure.
[0005]
[Means for Solving the Problems]
The building unit production transport apparatus according to the present invention is provided with a building unit transport body that moves by placing the building unit on a building unit production line that produces the building unit. A pair of bar members extending in the direction perpendicular to the building unit moving direction is arranged, and the building unit is placed on these bar members, and one of the pair of bar members is perpendicular to the building unit moving direction. The building unit production line is provided with a travelable drive body having a claw member that contacts the protrusion and presses the protrusion in the moving direction of the building unit. It is a feature.
[0006]
In the above, the building unit production line is constituted by a roller conveyor, and a pair of bar members may be movable on the roller conveyor. However, wheels are provided on both sides of each bar member, and the building unit production line It is desirable to have a structure provided with rails on which these wheels roll.
[0007]
The pair of bar members placed across the building unit may be separated from the pair of bar members constituting the other building unit transporter disposed in the front and rear of the building unit moving direction. It is desirable that the front and rear bar members can be connected and separated by connecting devices provided at both ends of each bar member.
[0008]
Also, it may be connected to an endless traveling member by a chain or the like to either one of the pair of bars.
[0009]
When a driving body having a claw member that comes into contact with the protrusion is provided in a building unit production line, and the building unit placed on the pair of bar members is transported by running of the driving body, the claw member is a horizontal surface. And is always elastically urged to a tilted position toward the protrusion which is stopped by a stopper member. As a result, when the driving body is retracted, the claw member can return to a position beyond the protrusion.
[0010]
On the side of the building unit production line, a return line is provided for returning and circulating the bar member that has reached the end of the production line to the beginning of the production line.
[0011]
In the case where a work table on which an operator works on the side of the building unit is arranged, it is desirable that the return line is inserted into the work table.
[0012]
In order to send a bar member from the end of the building unit production line to the return line, and to send a bar member from the return line to the start end of the building unit production line, as an example, it is possible to move up and down at these end and start end locations. In addition, a movable body that can reciprocate in the upper space between the production line and the return line is provided, and the bar member is suspended or held by the movable body.
[0013]
In the case where a sheet hanging device that hangs a sheet on the building unit is provided at the end of the building unit production line, the moving body provided at the end of the production line also serves as the sheet hanging device.
[0014]
[Action]
In the present invention, when a building unit is placed across a pair of bar members, these bar members are connected via the building unit. For this reason, both bar members are connected to the building unit production line. The building unit can be transported at the same time, and the building unit's production work is carried out at each location on the production line, where the building unit is installed and assembled with construction materials and equipment. . Since a member for placing the building unit and feeding it on the production line may be a pair of bar members, the number of members constituting the production transport device of the building unit is reduced, and simplification of the structure can be achieved.
[0015]
【Example】
An embodiment of the present invention will be described below with reference to the drawings.
FIG. 1 is a plan view showing the entire building unit production facility to which the apparatus according to the present embodiment is applied. The building unit according to the present embodiment has a framework composed of four columns standing at four corners and four upper beams and lower beams spanned between the upper ends and lower ends of these columns. . A building unit in which a floor material and a ceiling material are attached to such a framework to be in a total assembled state is formed by a total assembly line 1. Thereafter, the building unit is transferred to the production line 2 by a crane or the like, and is sent on the production line 2 in the direction of the arrow in FIG.
[0016]
A work table 3 is disposed on the side of the production line 2, and an operator on the work table 3 attaches construction materials or incorporates facility materials to a building unit that is sequentially sent on the production line 2. Work is to be done.
[0017]
FIG. 2 shows a specific structure of the production line 2. In the production line 2, one transport body 5 is arranged for one building unit 4, and each building unit 4 is placed on these transport bodies 5, and the building unit 4 is transported on the production line 2. ing. Each carrier 5 is configured by a pair of bar members 5A and 5B extending in the moving direction of the building unit 2 being arranged in a direction perpendicular to the moving direction of the building unit 2. Wheels 6 are provided on both sides of the bar members 5A and 5B, and these wheels 6 can roll on the rail 7 provided in two sets on the production line 2 in two sets. Yes. Thereby, the conveyance body 5 which consists of bar member 5A, 5B moves on the production line 2. FIG.
[0018]
As shown in FIGS. 3 and 4, a cradle 8 having positioning pins 9 is provided on the upper surfaces of the bar members 5 </ b> A and 5 </ b> B, and the building unit 4 is positioned by the locating pins 9 while receiving the bar members 5 </ b> A and 5 </ b> B. 8 is placed over the bar members 5A and 5B. Thereby, both bar members 5A and 5B are connected via the building unit 4 and can be moved on the production line 2 simultaneously.
[0019]
As shown in FIG. 2, a plurality of transport bodies 5 are arranged in the movement direction of the building unit 4 on the production line 2, and each pair of bar members 5 </ b> A and 5 </ b> B constituting these transport bodies 5 is composed of the building unit 4. Are connected to the bar members 5A and 5B before and after the moving direction in a separable manner by the connecting device 10. As shown in FIG. 4, the connecting device 10 includes a hook member 11 provided at the front end of the bar members 5 </ b> A and 5 </ b> B on the rear side in the moving direction of the building unit 4, and bar members 5 </ b> A and 5 </ b> B on the front side in the moving direction of the building unit 4. The hook member 11 can be raised and lowered about a shaft 19. The engagement member 12 is fixed to the rear end. When the hook member 11 is raised by the operator, the front and rear bar members 5A and 5B are separated, and when the hook member 11 is tilted, the front and rear bar members 5A and 5B are connected. Further, when the hook member 11 is raised and the rear bar members 5A and 5B are separated from the front bar members 5A and 5B and the hook member 11 is tilted, the rear bar members 5A and 5B move forward. When catching up with the front bar members 5A and 5B, the lower end surface 11A of the hook member 11 is tilted upward and the upper surface 12A of the engaging member 12 is also tilted upward and tilted. Slides on the engaging member 12, and the hook member 11 and the engaging member 12 are automatically engaged, and the front and rear bar members 5A and 5B are connected.
[0020]
As shown in FIG. 2, the production line 2 is provided with a rail 13 extending in the moving direction of the building unit 4, and the first and second driving bodies 14 and 15 are engaged with the rail 13 so as to be able to guide and travel. . Endless traveling members 16 and 17 such as chains are connected to the driving bodies 14 and 15, and the driving bodies 14 and 15 are moved by the travel of the endless traveling members 16 and 17.
[0021]
The first and second driving bodies 14 and 15 are provided with a claw member 18, and the claw member 18 is rotatable in a horizontal plane around an axis 19 as shown in FIG. 3 showing the second driving body 15. . Further, the claw member 18 is always elastically biased in one direction by the spring 21 until it is stopped by the stopper member 20.
[0022]
Of the pair of bar members 5A and 5B constituting the transport body 5, a bar member in which the driving members 14 and 15 are arranged in the horizontal direction perpendicular to the moving direction of the building unit 4 at the tip of the bar member 5A. A protrusion 22 protruding inside 5A and 5B is fixed. When the claw member 18 is in a position where it is elastically urged by the spring 21 and stopped by the stopper member 20, the claw member 18 has reached an inclined position toward the protrusion 22. In this state, when the driving bodies 14 and 15 are behind the protrusions 22 in the moving direction of the building unit 4, the claw members 18 press the protrusions 22 when the driving bodies 14 and 15 are advanced by the endless running members 16 and 17. Thus, the transport body 5 including the pair of bar members 5A and 5B and the building unit 4 placed thereon are moved.
[0023]
On the other hand, when the driving bodies 14 and 15 are in front of the protrusion 22 in the moving direction of the building unit 4 and the driving bodies 14 and 15 are retracted, the claw member 18 is centered on the shaft 19 in FIG. The claw member 18 can pass through the protrusion 22 by being rotated in the clockwise direction. After the passage, the claw member 18 is returned by the spring 21 to the inclined position where the stopper member 20 stops. Thereafter, when the driving bodies 14 and 15 are moved forward, the claw member 18 presses the protrusion 22 so that the building unit 4 and the like move as described above.
[0024]
As shown in FIG. 1, a return line 23 is provided on the side of the production line 2. The return line 23 returns the bar members 5 </ b> A and 5 </ b> B that have reached the end 2 </ b> B of the production line 2 to the start end 2 </ b> A. This is for the purpose of being able to be used again, whereby the bar members 5A and 5B are circulated. Most of the return line 23 is inserted into the work table 3.
[0025]
Between the end 2B of the production line 2 and the start end 23A of the return line 23, a transfer device 24 for sending the bar members 5A, 5B from the production line 2 to the return line 23 is provided. The specific structure of the transfer device 24 is shown in FIG. A traveling body 26 that can run on its own by a motor is disposed on the ceiling rail 25 that extends between the production line 2 and the return line 23. The traveling body 26 is suspended by a hoist 27 and moves up and down. A free-standing flat rectangular frame 28 is attached. A hanging tool 29 is provided on the frame 28, and the hanging tool 29 is configured to suspend and hold a sheet 30 that reaches the end 2 </ b> B of the production line 2 and is hung on the completed building unit 4.
In other words, the frame 28 constitutes a seat hanging device 31 for hanging the seat 30 on the completed building unit 4, and the traveling body 26 reaches just above the seat 30 placed on the floor 32 in the factory. After the movement, the frame 28 is lowered by the hoist 27, and thereafter, the seat 30 is held by a hanging tool 29 that is opened and closed by the operator, then the frame 28 is raised, and the traveling body 26 is moved to the production line 2. The seat 30 is hung on the building unit 4 by the lowering of the frame 28, and the lifting tool 29 is opened by the operator, whereby the seat 30 is detached from the lifting tool 29.
[0026]
A suspension 34 is suspended from the end of the frame 28 via a hoist 33. Each of the bar members 5A and 5B reaching the end 2B of the production line 2 is attached to the suspension 34 that is opened and closed by an operator. Can be suspended. Therefore, the bar member 5A, 5B is moved by moving the traveling body 26 in the upper space between the production line 2 and the return line 23 along the ceiling rail 25 and moving the suspension 34 up and down by the hoists 27, 33. Can be sent from the production line 2 to the return line 23 one by one. Accordingly, the frame 28 is also a moving body 35 for moving the bar members 5A, 5B from the production line 2 to the return line 23. In this embodiment, the moving body 35 is the above-described sheet hooking device 31. It has become a thing that combines.
[0027]
The return line 23 is configured by two rails 36 that form a pair, similarly to the two rails 7 in the production line 2, and the bar members 5 </ b> A and 5 </ b> B are suspension members 34 of the moving body 35. To the rail 36. Although not shown in the drawing, an endless traveling member such as a chain is provided in parallel with the rail 36 on the return line 23, and the bar members 5A and 5B placed on the rail 36 are protrusions provided on the endless traveling member. It is sent to the end 23B of the return line 23 shown in FIG.
[0028]
As shown in FIG. 1, a transfer device 37 is provided between the start end 2 </ b> A of the production line 2 and the end end 23 </ b> B of the return line 23, and the transfer device 37 moves the bar members 5 </ b> A and 5 </ b> B from the return line 23 to the production line 2. It is supposed to be sent. The specific structure of the transfer device 37 is shown in FIG. A traveling body 39 that can be self-propelled by a motor is disposed on a ceiling rail 38 that spans the upper space between the return line 23 and the production line 2, and a suspension 41 is suspended from the traveling body 39 via a hoist 40. Has been lowered. The hanger 41 can be freely opened and closed by an operator, so that the bar members 5A and 5B can be held by the hanger 41.
[0029]
The traveling member 39 moves between the return line 23 and the production line 2, and the hoist 41 moves up and down by the hoist 40, whereby the bar member 5A sent to the end 23B of the return line 23 along the rail 36, 5B is sent to the production line 2 while being suspended and held by a lifting tool 41, and is placed on the rail 7 of the production line 2. For this reason, the hanger 41 moves between the return line 23 and the production line 2 and is movable up and down, and holds the bar members 5A and 5B and moves from the return line 23 to the production line 2. It is a body 42.
[0030]
Next, the operation will be described.
[0031]
The bar members 5A and 5B sent to the starting end 2A of the production line 2 are sent manually to the intersection of the production line 2 and the total assembly line 1, and assembled in the total assembly line 1 in this portion. The building unit 4 in the total assembled state is placed across the pair of bar members 5A and 5B. The transport body 5 including these bar members 5A and 5B is the leftmost transport body 5 among the transport bodies 5 shown in FIG.
[0032]
Thereafter, the first driving body 14 moves forward by L1. Accordingly, the leftmost carrier 5 whose protrusion 22 is pressed by the claw member 18 also moves forward by L1. At this time, the hook member 11 of the connecting device 10 provided on the bar members 5A and 5B of the leftmost carrier 5 is tilted as shown by the solid line in FIG. The bar members 5A and 5B of the transport body 5 are naturally connected to the bar members 5A and 5B of the second transport body 5 from the leftmost side by the connecting device 10. Thereafter, the first driver 14 moves backward by L1 and returns to the original position. Further, the second driving body 15 moves forward by L2 corresponding to the length of at least one transport body 5, thereby causing the protrusion 22 provided on the bar member 5 </ b> A of the second transport body 5 from the leftmost side. The claw member 18 is pressed, and the plurality of transport bodies 5 connected in series by the connecting device 10 are advanced by L2. Then, the second driving body 15 moves backward by L2 and returns to the original position.
[0033]
The first and second driving bodies 14 and 15 repeat the above-described reciprocating motion, whereby a plurality of transport bodies 5 are sequentially sent on the production line 2 while being connected in series by the connecting device 10. The mounted building unit 4 is also transported on the production line 2. In the middle of this conveyance, an operator puts on the work table 3, and performs the work of attaching the construction material to each building unit 4, the work of assembling the equipment material, and the like, and the building unit 4 is produced and completed.
[0034]
The building unit 4 that has reached the end 2B of the production line 2 is completed, and at the end 2B, the completed building unit 4 is hung by the sheet hooking device 31 shown in FIG. And this building unit 4 is lifted from the conveyance body 5 by the forklift which is not illustrated, and is carried to the stock yard in a factory, and is stored.
[0035]
When the completed building unit 4 is removed from the transport body 5 reaching the end 2B of the production line 2 by a forklift, the bar members 5A and 5B of the transport body 5 are replaced with the bar members 5A of the transport body 5 that are next connected. , 5B is released by releasing the connecting device 10 and is suspended and held by a lifting tool 34 provided on a moving body 35 configured by using a sheet hanging device 31, and the production line 2 and the return line 23 The bar members 5A and 5B are moved from the rail 7 of the production line 2 to the rail 36 of the return line 23 by the movement of the moving body 35 by the traveling body 26 which can reciprocate in the upper space and the vertical movement of the moving body 35 by the hoist 27. Sent to. This feed is performed one by one of the pair of bar members 5A and 5B.
[0036]
These bar members 5A and 5B are sent from the start end 23A of the return line 23 to the end end 23B, and then sent from the rail 36 of the return line 23 to the rail 7 of the production line 2 by the moving body 42 shown in FIG. . In other words, in this embodiment, the moving body 42 is a suspension 41 that can hold the bar members 5A and 5B, and this suspension 41 reciprocates in the upper space between the return line 23 and the production line 2 by the traveling body 39. The bar members 5A and 5B are fed one by one from the rail 36 of the return line 23 to the rail 7 of the production line 2 by the reciprocating motion and the vertical motion.
[0037]
Thereafter, the above-described operation is repeated, and the bar members 5A and 5B are circulated and used in the production line 2.
[0038]
According to the present embodiment described above, the transport body 5 for transporting the building unit 4 on the production line 2 includes the pair of bar members 5A and 5B, and the building unit 4 straddles these bar members 5A and 5B. The bar members 5A and 5B are connected to each other via the building unit 4. For this reason, unlike the prior art, it is not necessary for the transport body 5 to have a large area pallet shape having substantially the same size as the bottom area of the building unit 4. Can be achieved.
[0039]
Moreover, since each of the bar members 5A and 5B includes the wheels 6 on both sides, even when the building unit 4 is not disposed across the bar members 5A and 5B, the bar members 5A and 5B fall over. There is no fear.
[0040]
Further, at both ends of the bar members 5A and 5B, the bar members 5A and 5B in the production line 2 are separated from the bar members 5A and 5B of the other transport bodies 5 arranged before and after the building unit 4 is moved. Since the connecting device 10 that can be connected is provided, the plurality of transfer bodies 5 can be connected in series and moved on the production line 2.
[0041]
Further, 5A of the pair of bar members 5A and 5B is provided with a protrusion 22 that protrudes in a horizontal direction perpendicular to the moving direction of the building unit 4 in the production line 2, and the production line 2 includes the protrusion 22 and Since the travelable drive bodies 14 and 15 having the claw members 18 that contact and press the protrusions 22 in the moving direction of the building unit 4 are provided, the bar members 5A and 5B are pressed by the pressing of the protrusions 22 by the claw members 18. The transfer body 5 can be moved.
[0042]
Further, the claw member 18 is rotatable in a horizontal plane around the shaft 19 and is always elastically biased by the spring 21 to the inclined position toward the protrusion 22 stopped by the stopper member 20. When the drive members 14 and 15 are retracted, the claw member 18 is moved by the spring 21 when the drive members 14 and 15 are moved forward. The drive members 14 and 15 can be rotated in the direction opposite to the urging direction so that the positions of the protrusions 22 can be exceeded, and when the drive members 14 and 15 are advanced, the claw members 18 are returned to their original tilt positions. The conveying body 5 can be moved forward by the pressing action of the protrusions 22. That is, the transport body 5 can be sequentially advanced by the reciprocation of the drive bodies 14 and 15.
[0043]
In this embodiment, a return line 23 is provided on the side of the production line 2 to return the bar members 5A and 5B reaching the end 2B of the production line 2 to the start end 2A of the production line 2 and circulate them. Therefore, the bar members 5A and 5B can be used in a circulating manner.
[0044]
Further, a work table 3 on which workers are placed and work is provided on the side of the production line 2, and a return line 23 is inserted into the work table 3, so that the work table 3 and the work table 3 are returned to the factory. There is no need to secure both installation spaces of the line 23, and building unit production facilities can be effectively arranged in a limited space.
[0045]
Further, a moving body 35 that can move up and down and reciprocate in an upper space between the production line 2 and the return line 23 is provided at the end 2B of the production line 2, and the bar 35A is attached to the moving body 35. Since the hanger 34 for hanging 5B is provided, the bar members 5A and 5B can be fed from the production line 2 to the return line 23. Further, a moving body 42 that can move up and down at the starting end 2A of the production line 2 and can move in an upper space between the production line 2 and the return line 23 and moves while holding the bar members 5A and 5B. Therefore, the bar members 5A and 5B can be fed from the return line 23 to the production line 2.
[0046]
In particular, since the moving body 35 provided at the end 2B of the production line 2 uses a sheet hanging device 31 for hanging the seat 30 on the building unit 4 completed at the end 2B of the production line 2, It can be shared, and production costs can be reduced.
[0047]
【The invention's effect】
According to the present invention, the transport body for transporting the building unit on the building unit production line is composed of a pair of bar members and is not a pallet shape having a large area. Can be configured.
[Brief description of the drawings]
FIG. 1 is a schematic plan view showing an entire building unit production facility to which an apparatus according to an embodiment of the present invention is applied.
2 is a plan view showing a specific structure of the building unit production line in FIG. 1. FIG.
FIG. 3 is a partially enlarged plan view of FIG. 2;
4 is a front view showing a part of the coupling device shown in FIG. 3; FIG.
FIG. 5 is a side view showing a terminal portion of a building unit production line.
FIG. 6 is a side view showing a starting end portion of a building unit production line.
[Explanation of symbols]
2 Building unit production line 3 Work table 4 Building unit 5 Carrier 5A, 5B Bar member 6 Wheel 7, 36 Rail 10 Connecting device 14, 15 Driving body 18 Claw member 20 Stopper member 21 Spring 22 Protrusion 23 Return lines 29, 34, 41 Lifting devices 35 and 42

Claims (9)

A building unit carrier that moves by placing the building unit on a building unit production line that produces the building unit is disposed, and the building unit carrier has a pair of bar members extending in the building unit moving direction as a building unit moving direction. It is arranged side by side at right angles, and the building unit is placed across these bar members ,
One of the pair of bar members is provided with a protrusion protruding in the horizontal direction perpendicular to the moving direction of the building unit, and the building unit production line is in contact with the protrusion and presses the protrusion in the moving direction of the building unit. A production transport device for a building unit, characterized in that a movable drive body having a claw member is provided. 2. The building unit production transfer apparatus according to claim 1, wherein each bar member has wheels on both sides, and rails on which these wheels roll are provided in the building unit production line. Production transport device for building units. 3. The building unit production transfer apparatus according to claim 1 or 2, wherein at each end of each bar member, the bar member of another building unit transfer body provided with these bar members arranged in the front and rear of the building unit moving direction. A building unit production and transport apparatus, characterized in that a connecting device is provided for releasably connecting to the building unit. The production transfer apparatus for a building unit according to any one of claims 1 to 3, wherein the claw member is rotatable in a horizontal plane and is always elastically biased to an inclined position toward the protrusion side stopped by a stopper member. A production transport device for building units. 5. The building unit production transport apparatus according to claim 1, wherein the bar member that has reached the end of the production line is returned to the start of the production line and circulated on the side of the building unit production line. A building unit production transfer device, characterized in that a return line is provided. 6. The building unit production transfer apparatus according to claim 5, wherein a work table on which an operator works is placed on a side of the building unit production line, and the return line is inserted into the work table. A production transport device for building units. 7. The building unit production transport apparatus according to claim 5 or 6, wherein the building unit production line has a vertically movable end and a reciprocating space in an upper space between the production line and the return line. A production transfer apparatus for a building unit, characterized in that a moving body is provided, and a hanging tool for suspending the bar member is provided on the moving body. 8. The building unit production transfer apparatus according to claim 7, wherein the moving body is a sheet hanging apparatus provided with a hanging tool for hanging a sheet hung on the building unit at the end of the building unit production line. A production transport device for building units. The building unit production transport apparatus according to any one of claims 5 to 8, wherein the building unit production line has a start end that is movable up and down and reciprocates in an upper space between the production line and the return line. A building unit production transfer apparatus, comprising a movable body that is movable and moves while holding the bar member.

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