JP3635414B2 - Jack horizontal feeder - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a jack horizontal feed device that can be moved up and down with a jack when a heavy equipment is installed at a predetermined position in various plant facilities and can be easily moved in a horizontal direction.
[0002]
[Prior art]
The conventional method for moving heavy objects has used a jack base block screwed to a main body having a vise type transverse feed screw to lift a bridge girder or the like and further correct the transverse feed position. In order to move various heavy objects using such a jack horizontal feed base, four jack horizontal feed bases are arranged at the bottom of the four corners of the heavy load, and four workers are placed on each jack horizontal feed base. The heavy objects were moved horizontally by turning the feed screws simultaneously while each worker screamed.
[0003]
[Problems to be solved by the invention]
In such a conventional feeding device, it is necessary to equalize the feeding amount of each device arranged at the four corners of the heavy object, and when that is not done, the other feeding devices are braked, There are cases where safety is a problem.
In addition, it is necessary to place a human at each jack point, which requires a lot of manpower.
Furthermore, when the moving amount is long, it is necessary to change the setup of the apparatus, and there is a disadvantage that workability is poor.
[0004]
[Means for Solving the Problems]
The jack horizontal feed device of the present invention has a guide 1 in the longitudinal direction of the inner surface, and a pair of elongated device bodies 3, 3 whose end portions are connected in series via a long material 2,
A pair of moving blocks 6, 6 each provided with a jack seat 4 on the upper surface and guided by the guide 1 and connected by a long connecting member 5;
A shaft body 8 is arranged in the longitudinal direction on one of the main bodies 3 via a support body 7, and the support body 7 is moved relative to the block 6 in the axial direction by rotating around the axis line. Alternatively, the shaft body 8 is screwed to the block 6, one end portion of the shaft body 8 is connected to the block 6, and a rotation driving unit 9 is provided on the outer periphery of the shaft body 8. When,
It comprises.
[0005]
Further, another jack horizontal feed device of the present invention has a guide 1 in the longitudinal direction of the inner surface, a flange portion 11 for joining the long material 2 is provided at the end, and is spaced apart from each other in the longitudinal direction. An apparatus main body 3 provided with a plurality of locking portions 13, 13;
An elongate moving block 6 provided with a jack seat 4 on the upper surface and guided by the guide 1 and having a connecting portion 12 for removably screwing and fastening the end of the rod-like connecting member 5 at the center of the end. When,
A shaft 8 is arranged in the longitudinal direction on the main body 3 via a support 7, and the center of the support 7 is moved relative to the block 6 in the axial direction by rotating around the axis. Is screwed into the intermediate portion of the shaft body 8 so that one end portion of the shaft body 8 can be rotated and prevented from coming off in the axial direction, and the other end side can be freely laid on the block. Connected to the end of 6,
A block moving mechanism 10 in which a rotation drive unit 9 is provided on the outer periphery of the shaft body 8;
And the support body 7 is configured to be detachably engaged with the locking portion 13 by the supine operation of the shaft body 8.
[0006]
【Example】
Next, examples of the present invention will be described.
FIG. 1 is a plan view of the jack apparatus, FIG. 2 is a front view thereof, FIG. 3 is an enlarged view of a main part of FIG. 1, and FIG. 5 is a plan view showing the state of use, FIG. 6 is a front view of the same, and FIG. 7 is a partially omitted vertical sectional view of the connecting member 5 in FIG.
As shown in FIGS. 1 to 4, the horizontal feed device for a jack according to this embodiment includes an elongated device body 3, a moving block 6 guided by the device body 3, and a tip attached to the moving block 6. The block moving mechanism 10 that is detachably locked to the locking portion 13 of the main body 3 is a main component.
The apparatus main body 3 is formed of a steel material in a side groove block shape, guides 1 having a predetermined length are arranged on the inner surfaces of both side walls in the longitudinal direction as shown in FIG. 1, and a locking portion 13 is formed between the adjacent guides 1 and 1. . The engaging portion 13 is a gap in which both edge portions of the support 7 described later can be detachably inserted therein.
[0007]
The lower surface side edge portion of the guide 1 is formed in a stepped shape as shown in FIG. 4, and the lower surface and side surfaces of the step portion constitute guide surfaces of both edge portions of the moving block 6. In this embodiment, the guide 1 has a hole in the side portion of the apparatus main body 3, and the back side of the guide 1 and the apparatus main body 3 are welded through the hole. At the same time, the upper surface edge portion of the guide 1 and the upper end portion of the apparatus main body 3 are welded. Further, a smooth plate 16 made of a stainless steel plate is fixed to the bottom surface of the apparatus body 3 by means such as screws. Further, flange portions 11 are projected and fixed at both ends in the longitudinal direction of the apparatus main body 3 by welding means. Bolt holes are formed in the flange portion 11, and an end portion of a long material 2 (FIG. 5) described later is detachably fastened and fixed.
[0008]
Next, the moving block 6 (FIG. 3) has the jack seat part 4 in the center of the upper surface. As shown in FIG. 2, the jack seat 4 is configured such that the bottom surface of the jack 18 is placed, and an annular ridge that slightly protrudes upward is fitted over the outer periphery of the jack 18. . Both edges of the moving block 6 are stepped, and the edges are guided by the guide 1 of the apparatus body 3 as shown in FIG. A sliding plate 14 made of a synthetic resin material or the like is fixed to the lower surface side of the moving block 6 by means such as screws.
A bracket 17 projects from the right end of the moving block 6, and a bracket 17 a projects from the left end. The bracket 17 supports both ends of the shaft 27. Then, the tip of the shaft body 8 passes through the shaft 27 in a direction perpendicular to the axis of the moving block 6, and a nut 29 is screwed to the tip of the shaft body 8 via the thrust bearing 24. Non-rotating is fixed. The shaft body 8 has a feed screw formed on the outer periphery thereof, and a support body 7 is screwed to an intermediate portion thereof. The support 7 is formed by integrally forming a metal plate in an L shape, and a nut is welded and fixed to a hole edge portion of a hole formed in the falling surface. The shaft body 8 is screwed to the fixing nut. One end of the rotation drive unit 9 is integrally fixed to the rear end portion of the shaft body 8 by welding, and an internal screw is opened at the other end of the rotation drive unit 9.
[0009]
Next, the bracket 17a fixed to the other end of the moving block 6 constitutes the connecting portion 12, and a hole is formed in the center thereof, and the edge of the nut is welded and fixed to the hole edge of the hole. . An end of a connecting member 5 (FIGS. 5 and 7), which will be described later, is detachably screwed to the fixing nut.
A fixing flange 15 (FIG. 1) and a hanging hook 25 are projected and fixed on the side surface of the apparatus body 3.
Next, the long material 2 connected to both ends of the apparatus main body 3 has a U-shaped cross section similar to the apparatus main body 3 (FIG. 5). And the bolt hole which aligns with the bolt hole of the flange part 11 is drilled in the both ends, and both are fastened and fixed with the volt | bolt. Further, the connecting member 5 detachably screwed to the connecting portion 12 of the moving block 6 has the top surface of the bolt 20 welded and fixed to one end of the cylindrical portion 19 as shown in FIG. It is closed and a hole 21 is formed on its axis. A small-diameter shaft 23 passes through the hole 21, and one end of the small-diameter shaft 23 protrudes and is fixed to the top surface of the bolt 20. Further, a nut 22 made of a double nut is fastened and fixed to the end of the small diameter shaft 23. As shown in FIG. 5, the tip of one bolt 20 is screwed and fastened to the connecting portion 12.
[0010]
【how to use】
Next, an example of a method of using the horizontal feed device for jacks of the present invention will be described.
In this embodiment, as shown in FIGS. 5 and 6, a pair of horizontal feeding devices are arranged apart from each other and are connected by the long material 2. The length of the long material 2 is appropriately selected or manufactured according to the length of the installation equipment 30 in FIG. The long material 2 and the pair of apparatus main bodies 3 are fastened and fixed detachably by bolts.
Next, the support body 7 is removed from the shaft body 8 of the apparatus main body 3 located on the left side in FIG. Then, the front end of the bolt 20 at the left end of the connecting member 5 is screwed into the hole on the end face of the rotation drive unit 9 of the shaft body 8 and fastened and held by the nut 29. At the same time, the tip of the bolt 20 at the right end of the connecting member 5 is screwed and fastened to the connection portion 12 of the right apparatus body 3. Then, two horizontal feeding devices assembled in a structure as shown in FIG. 5 are arranged in parallel, and the lower surface of the jack 18 is placed on the jack seat 4 of each moving block 6.
[0011]
Then, the device 30 to be installed is placed on the jack 18, and the jack 18 is moved up and down. At the same time, the support body 7 is locked to the locking portion 13 at an appropriate position of the apparatus body 3 with the right shaft body 8 lying in parallel with the apparatus body 3. And the rotation drive part 9 of the right end side shaft body 8 is rotated by a ratchet tool, an electric rotating machine or the like, and the pair of upper and lower moving blocks 6 are simultaneously moved only to the right in the drawing. When it is necessary to further move the device 30 to be installed to the right, the shaft body 8 is erected upward as shown in FIG. 6, and the support body 7 is rotated to move it to the rotation drive unit 9 side. Let Next, the shaft body 8 is laid down, the support body 7 is locked to the locking portion 13 on the right side from the locking position in front of the apparatus body 3, and the shaft body 8 is rotated again to further move the moving block 6 to the right. Can be moved towards.
When a pair of feeders assembled as shown in FIGS. 5 and 6 are used, the rotational speeds of the pair of shaft bodies 8 are matched as much as possible.
[0012]
[Operation and effect of the invention]
The moving blocks 6 and 6 are guided to the pair of apparatus main bodies 3 and 3 connected in series via the long material 2, and both are connected by the connecting material 5. And a jack is arrange | positioned at the jack seat part 4 of each moving block 6 and 6, and a heavy article is supported by the jack. Then, by moving one moving block 6 horizontally by the block moving mechanism 10, the heavy object can be moved smoothly.
This structure is a highly universal device capable of horizontally feeding heavy objects of various sizes by appropriately selecting the lengths of the long material 2 and the connecting material 5.
In addition, since it can be separated from a long material or the like, it is possible to provide an apparatus that is easy to transport to the installation place and install the apparatus, has a simple structure, and is free from failure.
In the case where the apparatus body 3 is provided with a plurality of locking portions 13 and 13 and one end portion of the shaft body 8 is provided so as to be freely raised and lowered, the support body 7 is screwed to the intermediate portion of the shaft body 8. Can be detachably locked to the locking portion 13 at an appropriate position in order to increase the horizontal feed length of the apparatus. That is, it is possible to move the moving block 6 horizontally beyond the length of the shaft body 8 and to increase the moving distance of the heavy object placed on the moving block 6 via the jack.
[Brief description of the drawings]
FIG. 1 is a plan view of the jack device.
FIG. 2 is a front view of the same.
FIG. 3 is an enlarged view of a main part of FIG.
FIG. 4 is a left side view of the same.
FIG. 5 is a plan view showing a usage state of the jack device.
FIG. 6 is a front view of the same.
7 is a partially omitted longitudinal sectional view of the connecting member 5 in FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Guide 2 Long material 3 Apparatus main body 4 Jack seat part 5 Connection material 6 Moving block 7 Support body 8 Shaft body 9 Rotation drive part
10 Block moving mechanism
11 Flange
12 Connection
13 Locking part
14 Sliding plate
15 Fixing flange
16 Smooth plate
17, 17a Bracket
18 Jack
19 Tube
20 volts
21 holes
22 Nut
23 Small shaft
24 Thrust bearing
25 Hanging hook
27 axes
28% pin
29 Nut
30 Equipment for installation

Claims (6)

A pair of elongate device bodies 3 and 3 each having a guide 1 in the longitudinal direction of the inner surface and having ends connected to each other in series via a long material 2;
A pair of moving blocks 6, 6 each provided with a jack seat 4 on the upper surface and guided by the guide 1 and connected by a long connecting member 5;
A shaft 8 is disposed in the longitudinal direction on one of the main bodies 3 via a support 7, and the support 7 is moved relative to the block 6 in the axial direction by rotating around the axis. Alternatively, a block moving mechanism 10 in which the shaft body 8 is screwed to the block 6, one end portion of the shaft body 8 is connected to the block 6, and a rotation driving unit 9 is provided on the outer periphery of the shaft body 8. When,
A horizontal feed device for a jack comprising: In Claim 1, the flange part 11 for the connection of the said elongate material 2 is provided in the edge part of the said apparatus main body 3, and the connection part 12 which screw-fastens and fastens the edge part of the said rod-shaped connection material 5 is attached. A horizontal feeding device provided at the center of the end of the block 6. The horizontal feeding device according to claim 1, wherein the pair of guides (1) are provided on both inner surfaces of the main body (3), whereby the upper surface and side surfaces of both side edge portions of the block (6) are guided. In claim 1, one end of the shaft body 8 is connected to the end of the block 6 so that the one end portion can be rotated and prevented from coming off in the axial direction and the other end side can be reclined.
The main body 3 is provided with a plurality of locking portions 13, 13 spaced apart from each other in the longitudinal direction,
The center of the support body 7 is screwed to the intermediate portion of the shaft body 8, and the support body 7 is configured to be detachably engaged with the locking portion 13 by the supine operation of the shaft body 8. Horizontal feeding device. 2. The horizontal feeding device according to claim 1, wherein a sliding plate is fixed to the lower surface of the block. A guide 1 is provided in the longitudinal direction of the inner surface, a flange portion 11 for joining the long material 2 is provided at an end portion, and a plurality of locking portions 13, 13 are provided apart from each other in the longitudinal direction. An apparatus body 3;
An elongate moving block 6 provided with a jack seat 4 on the upper surface and guided by the guide 1 and having a connecting portion 12 for removably screwing and fastening the end of the rod-like connecting member 5 at the center of the end. When,
A shaft body 8 is arranged in the longitudinal direction on the main body 3 with a support body 7 interposed therebetween, and rotates around its axis so that it moves relative to the block 6 in the axial direction. Is screwed into an intermediate portion of the shaft body 8 so that one end portion of the shaft body 8 can be rotated and prevented from coming off in the axial direction, and the other end side thereof can be reclined. Connected to the end of 6,
A block moving mechanism 10 in which a rotation drive unit 9 is provided on the outer periphery of the shaft body 8;
A horizontal feed device for a jack, wherein the support body 7 is detachably engaged with the locking portion 13 by the supine operation of the shaft body 8.

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