JP2006175961A - Cylindrical heavy article supporting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cylindrical heavy article supporting device which liftably, movably and rotatably supports the cylindrical heavy article such as a pump and a tank, and which performs the work for sideways attaching/detaching the cylindrical heavy article in a prescribed position safely and effectively with less labor. <P>SOLUTION: This cylindrical heavy article supporting device consists of a table lifter 1 including a liftable receiving stage 5; a pair of guide rails 13a, 13b fixed at suitable intervals on the receiving stage in parallel; a pair of supporting frames 16a, 16b independently provided to be freely slid along the guide rails by supporting its both end parts by the guide rails; a position fixing means 18 for fixing the each supporting frame on the suitable positions of the guide rails; and a pair of rollers 25a, 26a, 25b, 26b provided at suitable intervals on the respective supporting frames, and for rotatably supporting the cylindrical heavy article by horizontally mounting the cylindrical heavy article 30. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  In the present invention, when a cylindrical heavy object such as a pump or a tank is attached to or removed from a predetermined portion in a horizontal direction, the cylindrical heavy object is supported by being supported in a liftable, movable, and rotatable manner. Or it is related with the apparatus which assists a removal operation | work.

  For example, if a heavy tank or pump fixed by a bolt in a narrow space, such as under the floor of a refrigeration equipment, or a cylindrical heavy object such as a large motor is to be removed for maintenance, it is conventional work for at least two people. Another operator had to loosen the bolts while holding the heavy object with his hand in a cramped posture under the equipment floor. For this reason, a large number of workers are required for the work and a tight work posture is required, which may cause back pain, drop heavy objects at the feet during work, and pinch hands and fingers. Therefore, there is a problem that the work must be carried out carefully at all times, and the work takes time and the work efficiency is not good. Also, when attaching this cylindrical heavy object to equipment, the operator moves the heavy object in an unnatural posture under the equipment floor and aligns the mounting holes for inserting bolts (centering ) Had to be done, and there were also problems such as making it hard work.

On the other hand, the circular elongate carriage shown in Patent Document 1 below is provided with a pair of free rolls on a frame that is swingably suspended via a spring, and the circular elongate object is provided on the free rolls. The circular elongated object is supported so that it can be moved finely in the vertical / left / right / front / rear direction, and the mounting hole is centered when the circular elongated object is attached with a pin, bolt or the like. It makes it easy to do.
In addition, the material transport vehicle shown in the following Patent Document 2 is a transport vehicle used for transporting scrolls such as long paper or film in a paper factory or a printing factory, and is stored in an upright state. It is configured so that the scroll can be lifted on the carriage, and the installation work of the scroll is facilitated.
Further, Patent Documents 3 to 7 listed below often describe tire attachment / detachment devices for facilitating the replacement of automobile tires.
JP-A-8-133308 JP-A 63-287669 Utility Model Registration No. 3065901 Japanese Patent Publication No.44-1258 Japanese Patent Laid-Open No. 11-115422 JP 2002-154437 A JP 2003-191704 A

By the way, in the raising / lowering cart shown by patent document 1, although the circular elongate object which is a support body can be moved minutely by expanding-contracting a spring, while a movable range is limited by the expansion-contraction range of a spring. In addition, since the weight of the support is required to be substantially constant, there is a problem that it is not versatile.
In addition, in the material transport vehicle shown in Patent Document 2, a cylindrical heavy object placed horizontally on the vehicle cannot be moved in the longitudinal direction. Even if it is going to be attached to and detached from the required part, the operation of aligning the mounting holes as described above by moving the cylindrical heavy object freely is accompanied by difficulty.
In addition, since the devices described in Patent Documents 3 to 7 are all designed for tire replacement, various cylindrical heavy objects (especially circular long objects) such as tanks and pumps. ) Could not cope with supporting.

The present invention provides a cylindrical heavy object support device for solving the above-described problems, and a pair of guide rails fixed in parallel at appropriate intervals on a cradle, and both end portions. A pair of support frames provided so as to be independently slidable along the guide rails by being supported by the guide rails, and position fixing means for fixing the support frames at appropriate positions of the guide rails; And a pair of rollers which are provided on the respective support frames at appropriate intervals and rotatably support the cylindrical heavy object by placing the cylindrical heavy object horizontally. .
Further, the present invention is characterized in that, in the cylindrical heavy object support device, the cradle is supported by a table lifter so as to be movable up and down.
Further, the present invention is characterized in that, in the above cylindrical heavy object support device, the distance between the pair of rollers provided on the support frame can be adjusted according to the outer diameter of the cylindrical heavy object.
Further, the present invention is characterized in that, in the above cylindrical heavy object support device, a rolling direction universal wheel for allowing the table lifter to move is attached to the bottom of the table lifter.

In the support device according to claim 1, since the set interval between the pair of support frames can be adjusted according to the length of each cylindrical heavy object, the cylindrical heavy objects of various lengths can be placed horizontally. It can be supported stably and is versatile. In addition, since the means for fixing the position of the support frame is provided, there is no possibility that the cylindrical heavy object will fall off even if it swings during movement. Since the support position and rotation state of the cylindrical heavy object can be finely adjusted, the operation of attaching or removing the cylindrical heavy object in a lateral direction can be performed safely and efficiently with a small number of people.
In the support device according to the second aspect, the height of the cylindrical heavy object can be freely adjusted by moving the cradle up and down by the table lifter.
In the support device according to the third aspect, the cylindrical heavy object having various outer diameters can be stably and rotatably supported, and is versatile.
In the support device according to the fourth aspect, the table lifter can be moved in the free direction left and right / front and back.

  1 is an external perspective view of a cylindrical heavy object support device according to the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is a sectional view taken along line XX. In the figure, reference numeral 1 denotes a table lifter. The table lifter is provided with support legs 3a and 3b in an X leg shape that can be opened and closed by a fulcrum shaft 4 on a rectangular frame 2, and a rectangular shape is formed on the support legs 3a and 3b. A plate-like cradle 5 is supported horizontally. The base end portion of the hydraulic cylinder 7 is connected to the horizontal shaft 6 of one support leg 3a, and the tip of the operating shaft 8 of the hydraulic cylinder 7 is connected to the horizontal shaft 9 of the other support leg 3b. For this reason, by connecting the hydraulic cylinder 7 to a hydraulic pump (not shown) and supplying hydraulic oil, the support legs 3a and 3b open and close, and the cradle 5 moves up and down while maintaining a horizontal state. It is configured. Reference numeral 10 denotes a rolling direction free wheel (caster) provided in a tire house 12 projecting from the four corners of the underframe 2, and the table lifter is supported by the rolling direction free wheel so that a horizontal floor surface is provided. The top is lightly movable in all directions. Reference numeral 11 denotes a brake pedal provided on the rolling direction free wheel. By operating the brake pedal, the rotation of the free wheel can be stopped and the table lifter can be stopped so as not to move.

  Thus, a pair of L-shaped upright pieces 14a, 14b are fixed by bolts so as to face one long side of the upper surface of the cradle 5, and both ends of the round bar-shaped guide rail 13a are fixed to the upright pieces. A pair of upright pieces 14c and 14d having L-shaped side faces are fixed to each other by bolts so as to face the other long side of the upper surface of the cradle 5 and the nut 15 is fastened. A pair of round bar-shaped guide rails 13a and 13b are fixed on the pedestal 5 in parallel at an appropriate interval by inserting both ends of the round bar-shaped guide rail 13b and tightening nuts 15. Yes. Reference numerals 16a and 16b are a pair of rectangular support frames arranged orthogonally to the guide rails 13a and 13b, and bearing bodies 17a and 17b are fixed to the upper surfaces of both end portions of the support frame 16a. The bearing bodies 17c and 17d are fixed to the upper surfaces of both ends, the guide rail 13a is inserted into one of the bearing bodies 17a and 17c, and the guide rail 13b is inserted into the other bearing bodies 17b and 17d. 16a and 16b are provided along the guide rails 13a and 13b so that they can advance and retract independently. The support frames 16a and 16b are supported such that their lower surfaces are slightly separated from the upper surface of the cradle 5, so that the advance and retreat of the support frames 16a and 16b is not hindered.

  Reference numeral 18 denotes position fixing means provided to fix the support frames 16a and 16b to appropriate positions of the guide rails 13a and 13b. The position fixing means is approximately the same length as the guide rails 13a and 13b. A through hole 20 is formed in the hard flat bar 19 over substantially the entire length, and one end of the flat bar is fixed to the outer surface of the bearing body 17a by a bolt 21 as a fixing member, and a butterfly screw 22 as a locking member is provided. Is inserted into the through-hole 20 and the butterfly screw 22 is screwed into the outer surface of the bearing body 17c. Further, a butterfly screw 23 as a locking member is loosely inserted into the through-hole 20 and the butterfly screw 23 is raised. It is screwed to the outer surface of 14b. Therefore, when the butterfly screw 22 and the butterfly screw 23 are loosened, the support frames 16a and 16b can be independently advanced and retracted, and by fastening one of the butterfly screws 23, the support frame 16a cannot be advanced and retracted at an appropriate position. By fixing the other butterfly screw 22, the support frame 16b can be fixed at an appropriate position so as not to advance or retreat.

  In addition, a pair of rollers 25a and 26a are provided on the support frame 16a so as to be rotatable in a plane orthogonal to the guide rails 13a and 13b, respectively, by supporting them on the shaft support 27a, and appropriately spaced apart from each other. A pair of rollers 25b and 26b are rotatably supported on the support frame 16b by the shaft support 27b so as to be freely spaced apart from each other. Reference numeral 28 denotes a long hole formed in the support frames 16a and 16b so as to be long in a direction perpendicular to the guide rails 13a and 13b. The long hole 28 extends from the center of each of the support frames 16a and 16b to both ends. Established to be parallel. The shaft supports 27a and 27b are formed in a side L shape and the upper half is bifurcated so that the roller can be rotatably supported. 16b are arranged upright on the respective long holes 28, and two bolts 29a, which are fixing members, are inserted into the adjacent long holes 28 and the bases of the respective shaft support bodies 27a, 27b. The shaft support 27 is fixed to the upper surfaces of the support frames 16a and 16b by tightening nuts 29b. Therefore, by loosening the nuts 29b, the shaft support bodies can move along the long holes 28, and the distance between the rollers 25a and 26a and the distance between the rollers 25b and 26b are adjusted as appropriate (breakage in FIG. 3). (Shown with a line.)

  In this support device, the distance between the rollers 25a and 26a and the rollers 25b and 26b is finely adjusted in accordance with the outer diameter of the cylindrical heavy object 30 such as a can pump, and the thumb screws 22 and 23 are loosened to thereby adjust the cylindrical heavy object. By appropriately adjusting the distance between the support frames 16a and 16b in accordance with the length of 30, the cylindrical heavy object 30 is stabilized on the four rollers as illustrated in FIGS. To be placed horizontally. Since the table lifter 1 is provided with the rolling direction universal wheel 10, it can be freely moved in the horizontal direction. During this movement, the supporting frames 16a and 16b can be fixed in position by tightening the butterfly screws 22 and 23, so that there is no possibility that the cylindrical heavy object 30 is unnecessarily swung and dropped off.

  Then, when it can move to the required work position, the brake pedal 11 is operated to stop the table lifter 1 so that it cannot move, the hydraulic pump connected to the hydraulic cylinder 7 is operated, and the hydraulic cylinder 7 is expanded and contracted. The support height of the cylindrical heavy object 30 is adjusted by raising and lowering 5. Further, by loosening the butterfly screw 23, the support frames 16a and 16b can be slid along the guide rails 13a and 13b, and the cylindrical heavy object 30 can be moved back and forth finely. The provided flange 31 can be easily aligned with, for example, the flange 33 formed on the lower side surface of the refrigerator main body 32. In this state, the four rollers are slid to finely move the cylindrical heavy object 30. Since it is rotated, the mounting hole 31a of the flange 31 and the mounting hole of the flange 33 are matched (centered), and the bolt 34 can be easily inserted or removed. As described above, the height, position, and rotation state of the cylindrical heavy object 30 can be freely adjusted, so that the bolt 34 can be easily attached and detached. For this reason, by using this support device, even a small number of workers can safely attach or remove the cylindrical heavy object 30 in a lateral direction in a short time.

  Since the cylindrical heavy object support device according to the present invention can adjust the distance between the support frame and the roller according to the length and outer diameter of each cylindrical heavy object, it has versatility with respect to the size of the cylindrical heavy object. For this reason, not only the operation | work which attaches / detaches the pump shown to embodiment, but can use it when attaching / detaching various cylindrical heavy objects to a required part sideways, and there exists a possibility that the working environment can be improved significantly. .

The perspective view of the cylindrical heavy-weight support apparatus which is embodiment of this invention. The top view of the cylindrical heavy-weight support apparatus which is embodiment of this invention. XX sectional drawing of FIG. The side view which shows the use condition of the cylindrical heavy-weight support apparatus which is embodiment of this invention. The front view which shows the use condition of the cylindrical heavy-weight support apparatus which is embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Table lifter 5 Receptacle 10 Rolling direction universal ring 13a, 13b Guide rail 16a, 16b Support frame 17a-17d Bearing body 18 Position fixing means 19 Flat bar 20 Through-hole 22, 23 Butterfly screw 25a, 26a, 25b, 26b Roller 27a, 27b Shaft support 30 Cylindrical heavy object

Claims (4)

  A pair of guide rails fixed in parallel at appropriate intervals on the cradle, and both ends are supported by the guide rails so that they can slide independently along the guide rails. A pair of support frames, position fixing means for fixing the support frames to appropriate positions of the guide rails, and cylindrical heavy objects placed horizontally on the support frames at appropriate intervals. A cylindrical heavy object support device comprising a pair of rollers that rotatably support the cylindrical heavy object.   The cylindrical heavy object support device according to claim 1, wherein the cradle is supported by a table lifter so as to be movable up and down.   The cylindrical heavy object support device according to claim 1 or 2, wherein a distance between a pair of rollers provided on the support frame can be adjusted according to an outer diameter of the cylindrical heavy object.   4. The cylindrical heavy object support device according to claim 2, further comprising a rolling direction universal wheel that enables the table lifter to move at a bottom portion of the table lifter.

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