JP2003121250A - Support structure for weighing structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily prevent floating of a measured structure. SOLUTION: In this support structure for weighing the structure having a lower attaching plate 1 attached to a foundation 2, and an upper attaching plate 5 attached to a hopper 41 with a positional relation parallel to the lower attaching plate 1, and interposed between the upper and lower attaching plates 1, 5 to support the hopper 41, a floating preventing member 20 interposed between the upper and lower attaching plates 1, 5 is constituted of a rod-like member 24 of which the lower end male screw part is screwed in the lower attaching plate 1 to be erected in the plate 1, a rod-like member 28 of which the upper end male screw part is screwed in the upper attaching plate 5 to be provided suspendedly from the plate 5, and an intermediate member 29 of which the lower end is engaged vertically movably with a head part in an upper end of the lower side rod-like member 24, and of which the upper end is engaged vertically movably with a head part in a lower end of the upper side rod-like member 28, so as to connect the lower rod-like member 24 to the upper rod-like member 28.

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support structure for measuring a structure such as a storage tank, a hopper or a platform scale, which supports a structure to be measured via a load cell. Things. 2. Description of the Related Art Conventionally, when measuring the weight of a granular material such as cement or the like, usually, the granular material to be measured is put into a supported measuring hopper via a load cell, and the output of the load cell is output. Weigh based on. [0003] As a supporting structure for supporting a structure to be weighed such as the hopper through a load cell, for example, as disclosed in Japanese Utility Model Publication No. 8-4576, "First mounting attached to a foundation" A plate, and a second mounting plate mounted on the structure to be weighed in a positional relationship parallel to the first mounting plate, wherein a load cell is interposed between the first and second mounting plates, and A supporting structure for measuring a structure that supports the first mounting plate at one end and is rotatably connected to the first mounting plate, and the other end is rotatably connected to the second mounting plate, And a connecting means having a variable distance between both ends, a member extending vertically from the first mounting plate, and a lifting preventing means having a locking means provided at a tip end of the member, Member of the lifting prevention means The tip is locked to a part of the structure to be weighed by the locking means, and the connecting means is connected to a first bracket provided on the first mounting plate by a first bracket parallel to the mounting plate. A first link member pivotally supported by the shaft;
A second link member rotatably supported by a second bracket provided on the second mounting plate by a second shaft parallel to the first shaft, and a variable length connecting member connecting the two link members; Wherein the member in the lifting prevention means is a rod-shaped member having a base end fixed to the first mounting plate and a thread formed at a tip end, and the locking means is a rod-shaped member. Which has a nut that is screwed into the screw groove, and allows the rod-shaped member to be inserted into a through hole provided in a part of the structure to be measured. However, in such a support structure for measuring a structure, the lifting preventing means for preventing the structure to be measured from rising is provided with a base end fixed to the first mounting plate and a screw at the distal end. It is necessary to screw a nut into a thread groove of the rod-shaped member while inserting the rod-shaped member with the ridge formed in a through hole provided in a part of the structure to be weighed. If there is no through-hole for inserting the threaded tip of the rod-shaped member, the through-hole must be formed in the structure to be weighed, and there is a problem that the working efficiency is poor. SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and has a through hole for inserting a threaded tip of a rod-like member into a structure to be weighed. It is an object of the present invention to provide a support structure for weighing a structure which is excellent in mounting workability and which can prevent lifting of the structure to be weighed without requiring a complicated operation. SUMMARY OF THE INVENTION In order to solve this problem, the present invention provides a lower mounting plate mounted on a foundation, and a lower mounting plate mounted on a structure to be weighed in a positional relationship parallel to the lower mounting plate. An upper mounting plate to be supported, and a load cell interposed between the lower mounting plate and the upper mounting plate to support the structure. A connection means rotatably connected to the upper mounting plate at the other end, and a variable distance between both ends; a lower mounting plate and an upper mounting plate. Lifting prevention means interposed between the lower mounting plate, and the lifting prevention means is provided on the lower mounting plate by screwing a male screw portion at a lower end into a female screw portion formed on the lower mounting plate. And a female screw formed on the upper mounting plate. A rod-shaped member into which a male screw portion at the end is screwed is provided to be suspended from the upper mounting plate, and a head at the upper end of the lower rod-shaped member is connected to the lower end so as to be vertically movable so as to connect the upper and lower rod-shaped members. The gist is that the head of the lower end of the upper bar-shaped member is composed of an intermediate member that engages with the upper end so as to be vertically movable. [0007] With this configuration, the lifting prevention means is incorporated between the lower mounting plate and the upper mounting plate of the weighing support structure, and the work of connecting the lifting prevention means to the structure to be weighed is performed. It becomes unnecessary, and it is possible to provide a support structure for measuring a structure excellent in mounting workability. Embodiments of the present invention will be described below with reference to the drawings. First, a first embodiment shown in FIGS. 1 to 5 will be described. Reference numeral 1 denotes a metal lower mounting plate which is mounted on a horizontal surface of a foundation 2 with bolts 3 and nuts 4. A metal upper mounting plate 5 that receives and mounts the hopper 41 as a structure to be weighed is positioned in a position parallel to the lower mounting plate 1. Two metal plates are welded between the lower mounting plate 1 and the upper mounting plate 5 so as to sandwich a metal bracket 6 erected from the upper surface of the lower mounting plate 1 from the upper end. Between the metal mounting plates 9, 7 and the two metal mounting plates 9, 9 attached by welding so as to sandwich the metal bracket 8 suspended from the lower surface of the upper mounting plate 5 from the lower end. A horizontal pivot shaft 10 having both ends positioned between the mounting plates 7, 7 and between the mounting plates 9, 9;
A connecting fitting 12 is rotatably connected to the connecting means 11 and 11 and has a variable distance between both ends. The connection fitting 12 has a first link member 13 having one end connected between the mounting plates 7 and 7 by a pivot shaft 10 and a first link member connected between the mounting plates 9 and 9 by a pivot shaft 11. The two link members 14 and female screw portions opposite to each other are formed at both ends so as to screw male threads opposite to each other formed at the other ends of the link members 13 and 14 from both ends. A cylindrical connecting member 15 and a cylindrical connecting member 15 for preventing loosening between the cylindrical connecting member 15 and both link members 13 and 14 in which a male screw portion is screwed into a female screw portion of the cylindrical connecting member 15. Locking nuts 16 and 17 are screwed into male thread portions of both link members 13 and 14 projecting from the member 15. The bracket 6 erected on the lower mounting plate 1 is located on one side of the lower mounting plate 1 and close to the front end of the lower mounting plate 1, and is hung down on the upper mounting plate 5. The bracket 8 is located on the other side of the upper mounting plate 5 near the front end of the upper mounting plate 5. Reference numeral 18 denotes a position between the lower mounting plate 1 and the upper mounting plate 5 that is closer to the inside than the mounting position of the connection fitting 12, and is slightly on the other side of the center of the lower mounting plate 1 and the upper mounting plate 5. The load cell is a load cell as a weighing means which is vertically mounted at a position close to the unit. The lower end of the load cell 18 is placed on the lower mounting plate 1 and the conical head 1 at the upper end of the load cell 18 is mounted.
The top of 8a is a depression (not shown) at the center of the lower surface of the metal disk 19 fitted in the recess 5a on the lower surface of the upper mounting plate 5.
It is set so that it abuts. Further, reference numeral 20 denotes the connection fitting 1 between the lower mounting plate 1 and the upper mounting plate 5.
A lifting prevention means mounted vertically in a position closer to the inside than the mounting position of 2 at one side position of the lower mounting plate 1 and the upper mounting plate 5. The lifting prevention means 20 will be described in detail. The lifting prevention means 20 has a male screw part 22 at the lower end screwed into a female screw part 21 formed on the lower mounting plate 1, and the lifting prevention means 20 extends upward from the lower mounting plate 1. A metal rod-shaped member 24 erected on the lower mounting plate 1 by screwing a loosening nut 23 into the protruding male screw portion 22, and a female screw portion 2 formed on the upper mounting plate 5.
5 is screwed into the male screw portion 26 at the upper end, and the nut 27 for preventing loosening is screwed into the male screw portion 26 projecting downward from the upper mounting plate 5, so that the metal provided to be suspended from the upper mounting plate 5. And a head 24a at the upper end of the rod-shaped member 24 for connecting the rod-shaped member 24 to the rod-shaped member 28.
Is formed of a metal cylindrical intermediate member 29 which is vertically movably engaged with the lower end and a lower end head 28a of the rod-shaped member 28 is vertically movably engaged with the upper end. The rod-like member 24
Before screwing the rods 24 and 28 into the cylindrical intermediate member 29, the heads 24a and 28a are positioned inside the cylindrical intermediate member 29 before screwing the rods 24 and 28 into the lower mounting plate 1 and the upper mounting plate 5. The holes 29a and 31a of the seats 30 and 31 at the lower end and the upper end of 29 are penetrated. Then, the screwing amount of the male screw portion 22 at the lower end of the rod-like member 24 into the female screw portion 21 of the lower mounting plate 1 and the upper side so that the lower mounting plate 1 and the upper mounting plate 5 are parallel to each other. Bar-shaped member 2 for female screw portion 25 of mounting plate 5
The amount of screwing of the male screw portion 26 at the upper end of 8 is determined. FIGS. 4 and 5 show examples of the use of the weighing support structure having the above-mentioned structure. In FIG. 4 and FIG. At each of the locations corresponding to the locations, the lower mounting plate 1 of the supporting structure for measurement is mounted on a foundation 2 with bolts 3. That is, the hopper 41 is received by the surrounding four measuring support structures. The hopper 41 is placed on the four weighing support structures with the load cell 18 incorporated between the lower mounting plate 1 and the upper mounting plate 5. Specifically, the support bracket 32 integrally provided at four places around the hopper 41 is placed on the upper mounting plate 5, and the support bracket 32 is fixed to the upper mounting plate 5 with the bolt 33 and the nut 3.
Fix with 4. The four weighing support structures for receiving the hopper 41 are mounted on the foundation 2 such that the members have the same positional relationship when viewed from the front. In the state where the hopper 41 is supported on the foundation 2 via the four support structures for measurement as described above, when an unexpected shaking occurs in the horizontal direction due to an earthquake or the like, the lower mounting plate 1 is connected to the lower mounting plate 1. The swing of the hopper 41 is mitigated by the connection fittings 12 that horizontally connect the upper mounting plate 5 and the lower mounting plate 1 and the upper mounting plate 5 are connected to each other when unexpected vibration occurs in the vertical direction due to an earthquake or the like. The swaying of the hopper 41 is reduced by the lifting prevention means 20 connected in the vertical direction, and the hopper 41 can be prevented from rising and falling. In other words, when the direct-type earthquake occurs, if the lifting prevention means 20 is not provided, the hopper 41 is supported only by the load cell 18, so that any one of the four There is a case in which the lower mounting plate 1 and the upper mounting plate 5 are integrally lifted with the upper mounting plate 5 at the fulcrum 18 at one side position of the lower mounting plate 1 and the upper mounting plate 5 as described above. The hopper 41 can be prevented from rising up and falling down even if unexpected swaying occurs in the vertical direction by providing the lifting prevention means 20 for restraining the gap between the hoppers. While the first embodiment of the present invention has been described above, two or more lifting prevention means 20 may be provided side by side. In the case where two lifting prevention means 20 described in the first embodiment are provided, two cylindrical intermediate members 29 are arranged side by side.
It is also possible to use a common intermediate member 35 as in the second embodiment shown in FIG. The intermediate member 35 of the second embodiment uses an I-shaped steel, and the upper and lower horizontal metal plate portions 37 of the I-shaped steel cover the side portions perpendicular to the plate portion 36 of the I-shaped steel. , 38, which are formed by welding metal plate portions 39, 40 which face in the vertical direction and which are connected to each other by welding, and a head portion 24a at an upper end is vertically movably engaged with a hole 38a of the lower plate portion 38. The lower two rod-shaped members 24 are penetrated so that the lower end head 28a is inserted into the hole 37a of the upper plate 37.
The upper two rod-shaped members 2 are engaged so as to be vertically movable.
8 penetrates. Other configurations are the same as in the first embodiment. As described above, according to the present invention, the lifting prevention means is incorporated between the lower mounting plate and the upper mounting plate of the measuring support structure, and the lifting prevention means is covered by the lifting prevention means. An operation for connecting to the weighing structure side is not required, and a weighing support structure for a structure having excellent mounting workability can be provided.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a measuring support structure according to a first embodiment of the present invention. FIG. 2 is a side view of the weighing support structure. FIG. 3 is a cross-sectional view of a main part of the support structure for measurement. FIG. 4 is a plan view showing a state where the weighing support structure receives a hopper as a structure to be measured. FIG. 5 is a front view showing a state where the weighing support structure receives a hopper as a structure to be measured. FIG. 6 is a perspective view of a support structure for measurement according to a second embodiment of the present invention. FIG. 7 is a side view of the weighing support structure. FIG. 8 is a cross-sectional view of a main part of the weighing support structure. DESCRIPTION OF SYMBOLS 1 Lower mounting plate 2 Base 3 Bolt 4 Nut 5 Upper mounting plate 12 Connection fitting 13 First link member 14 Second link member 15 Cylindrical connection member 18 Load cell 20 Floating prevention means 21 Female screw part Reference Signs List 22 male screw part 23 loosening prevention nut 24 rod-shaped member 24a head 25 female screw part 26 male screw part 27 loosening prevention nut 28 rod-shaped member 28a head 29 intermediate member 30, 31 seat 30a, 31a hole 32 support fitting 33 Bolt 34 Nut 35 Intermediate members 36, 37, 38 Plate portions 37a, 38a Hole portions 39, 40 Plate portion 41 Hopper

Claims (1)

Claims 1. A lower mounting plate mounted on a foundation, and an upper mounting plate mounted on a structure to be weighed in a positional relationship parallel to the lower mounting plate. In a weighing support structure for a structure that supports the structure with a load cell interposed between a mounting plate and an upper mounting plate, one end is rotatably connected to the lower mounting plate, and the other end. A connecting means rotatably connected to the upper mounting plate and having a variable distance between both ends, and a lifting prevention means interposed between the lower mounting plate and the upper mounting plate. The lifting prevention means is formed on the upper mounting plate, and a rod-shaped member in which a lower male screw portion is screwed into a female screw portion formed on the lower mounting plate, and is erected on the lower mounting plate. The male screw at the upper end is screwed into the female screw, and it hangs down from the upper mounting plate. The upper end of the lower end of the lower rod is engaged with the lower end of the lower end of the lower end of the lower end of the lower end of the upper end of the upper end of the upper end of the upper end of the upper end of the upper end of the lower end of the upper end of the upper end of the upper end of the upper end of the lower end of the lower end. And a middle member engaged with the support member.