JP3102906U - Support structure for weighing structures - Google Patents

Abstract

An object of the present invention is to easily prevent a structure to be measured from lifting up.
A lower mounting plate (1) mounted on a foundation (2) and an upper mounting plate (5) mounted on a hopper (41) in a positional relationship parallel to the lower mounting plate (1). In a weighing support structure for a structure that supports the hopper 41 with the load cell 18 interposed between the mounting plate 5 and a lifting prevention means 20 interposed between the lower mounting plate 1 and the upper mounting plate 5. A rod-shaped member 24 having a lower male screw portion screwed into the lower mounting plate 1 and erected on the lower mounting plate 1, and an upper male screw portion being screwed into the upper mounting plate 5 to form the upper mounting plate 5 and a head at the upper end of the lower bar 24 is connected to the upper and lower bars 24 to connect the upper and lower bars 24, 28 so as to be vertically movable. An intermediate member 29 whose lower end head is vertically movably engaged with the upper end. There.
[Selection] Figure 2

Description

  The present invention relates to a support structure for measuring a structure that supports a structure to be measured such as a storage tank, a hopper or a platform scale via a load cell.

  2. Description of the Related Art Conventionally, when measuring the weight of a granular material such as cement, for example, the granular material to be weighed is usually put into a supported weighing hopper via a load cell, and weighing is performed based on the output of the load cell.

As a supporting structure for supporting a structure to be weighed such as the hopper via a load cell, for example, as disclosed in Patent Document 1, a “first mounting plate mounted on a foundation, A second mounting plate attached to the structure to be weighed in a positional relationship parallel to the mounting plate, and weighing the structure supporting the structure by interposing a load cell between the first and second mounting plates. In the supporting structure for use, one end is rotatably connected to the first mounting plate, and the other end is rotatably connected to the second mounting plate, and the distance between both ends is reduced. A lifting means having variable connection means, a member extending vertically from the first mounting plate, and a locking means provided at a tip end of the member; The tip is fixed by the locking means. A first bracket fixed to a part of the structure to be weighed, the connecting means being supported by a first bracket provided on the first mounting plate by a first shaft parallel to the mounting plate; A link member, a second link member pivotally supported by a second bracket provided on the second mounting plate by a second shaft parallel to the first shaft, and connecting the two link members. 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. The means has a nut that is screwed into the thread groove of the rod-shaped member, and the rod-shaped member is inserted into a through hole provided in a part of the structure to be measured.
Japanese Utility Model Publication No. 8-4576

  However, in the supporting structure for measuring a structure described in Patent Document 1, the lifting prevention means for preventing the structure to be measured from floating is fixed at a base end portion to a first mounting plate and at a tip end portion. It is necessary to screw a nut into a thread groove of the rod-shaped member in a state where the rod-shaped member having a thread is inserted through a through-hole provided in a part of the structure to be measured, and tightening is required. When there is no through-hole for inserting the threaded tip of the rod-shaped member into the structure, the through-hole must be formed in the structure to be weighed, resulting in a problem that the working efficiency is poor.

  An object of the present invention is to solve such a problem, and eliminates the need for an operation of forming a through-hole through which a threaded end of a rod-shaped member is inserted into a structure to be measured, and eliminates the need for measurement. An object of the present invention is to provide a support structure for measuring a structure, which is capable of preventing the structure from being lifted up and has excellent mounting workability.

  The support structure for measuring a structure according to claim 1 of the present invention comprises a lower mounting plate mounted on a foundation and an upper mounting plate mounted on the structure to be measured in a positional relationship parallel to the lower mounting plate. A support structure for supporting the structure with a load cell interposed between the lower mounting plate and the upper mounting plate, wherein one end of the supporting structure is turned with respect to the lower mounting plate. Movably connected, the other end rotatably connected to the upper mounting plate, and interposed between the lower mounting plate and the upper mounting plate; And a rod-like member having a male screw portion at the lower end screwed into a female screw portion formed on the lower mounting plate and standing on the lower mounting plate. A male screw portion at the upper end is screwed into a female screw portion formed on the upper mounting plate. A rod-shaped member hanging down from the upper mounting plate, and a head at the upper end of the lower rod-shaped member for connecting the upper and lower rod-shaped members are engaged with the lower end so as to be vertically movable, and the head at the lower end of the upper rod-shaped member. The part is constituted by an intermediate member engaged with the upper end so as to be vertically movable.

  As described above, the measuring support structure of the structure of the present invention incorporates the lifting preventing means between the lower mounting plate and the upper mounting plate of the measuring supporting structure, and covers the lifting preventing 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.

Hereinafter, embodiments of the present invention will be described 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 connecting metal fitting 12 is located between the mounting plates 7, 7 and between the mounting plates 9, 9 so as to be rotatably connected by horizontal pivots 10 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 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 side. The lower end of this load cell 18 is placed on the lower mounting plate 1 and the upper end of the conical head 18a at the upper end of the load cell 18. The top is set so as to abut a recess (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. Further, reference numeral 20 denotes a position between the lower mounting plate 1 and the upper mounting plate 5 which is closer to the inside than the mounting position of the connection fitting 12, and one side position of the lower mounting plate 1 and the upper mounting plate 5. And lifting means mounted in the vertical direction. 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 25 formed on the upper mounting plate 5. The upper male screw 26 is screwed into the upper male screw 26, and a locking nut 27 is screwed into the male screw 26 projecting downward from the upper mounting plate 5. The rod-shaped member 28 and the head 24a at the upper end of the rod-shaped member 24 are engaged with the lower end so as to connect the rod-shaped member 24 to the rod-shaped member 28, and the head 28a at the lower end of the rod-shaped member 28 is vertically movable. Inside a metal cylinder that engages the upper end And a member 29.. Before screwing the rod-shaped members 24 and 28 into the lower mounting plate 1 and the upper mounting plate 5, their heads 24a and 28a are located inside the cylindrical intermediate member 29 so that the rod-shaped members 24 and 28 The lower end and the upper end of the cylindrical intermediate member 29 are penetrated through the holes 30a and 31a of the seats 30 and 31, respectively. Then, the screwing amount of the male screw portion 22 at the lower end of the rod-shaped 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. The screwing amount of the male screw portion 26 at the upper end of the rod-shaped member 28 into the female screw portion 25 of the mounting plate 5 is determined.

  FIGS. 4 and 5 show examples of the use of the weighing support structure for the structure having the above-mentioned structure. In FIG. 4 and FIG. The lower mounting plate 1 of the weighing support structure is mounted on the foundation 2 with bolts 3 at each of the locations where the measurement is to be performed. 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 fittings 32 integrally provided at four locations around the hopper 41 are placed on the upper mounting plate 5, and the support fittings 32 are fixed to the upper mounting plate 5 with bolts 33 and nuts 34. 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 a state where the hopper 41 is supported on the foundation 2 via the four measuring support structures as described above, when an unexpected shaking occurs in the horizontal direction due to an earthquake or the like, the lower mounting plate 1 and the upper mounting plate The swing of the hopper 41 is alleviated by the connection fitting 12 that horizontally connects the lower mounting plate 5 and the lower mounting plate 1 and the upper mounting plate 5 in the vertical direction when unexpected vibration occurs in the vertical direction due to an earthquake or the like. The swaying of the hopper 41 is alleviated by the connected lifting prevention means 20, and the hopper 41 can be prevented from floating and falling. That is, 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 load supporting structures is supported. 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. When two lifting prevention means 20 described in the first embodiment are provided, two cylindrical intermediate members 29 are arranged side by side. However, in the second embodiment shown in FIGS. Thus, a common intermediate member 35 can be used. The intermediate member 35 of the second embodiment is made of an I-shaped steel, and the upper and lower horizontal metal plate portions 37 of the I-shaped steel cover the sides perpendicular to the plate portion 36 of the I-shaped steel. , 38 are connected by welding metal plates 39, 40 facing in the vertical direction, and the upper head 24 a is vertically movably engaged with the hole 38 a of the lower plate 38. The lower two rod members 24 are penetrated so that the lower head portion 28a is vertically engaged with the hole 37a of the upper plate portion 37. Penetrated. Other configurations are the same as those of the first embodiment.

FIG. 2 is a perspective view of the measuring support structure according to the first embodiment of the present invention. It is a side view of the support structure for measurement. It is principal part sectional drawing of the support structure for measurement. It is a top view which shows the state which received the hopper as a to-be-measured structure in the supporting structure for measurement. It is a front view which shows the state which received the hopper as a to-be-measured structure in the support structure for weighing. FIG. 4 is a perspective view of a measuring support structure according to a second embodiment of the present invention. It is a side view of the support structure for measurement. It is principal part sectional drawing of the support structure for measurement.

Explanation of reference numerals

DESCRIPTION OF SYMBOLS 1 Lower mounting plate 2 Foundation 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 22 Male screw part 23 Nut 24 for preventing loosening Bar-shaped member 24a Head 25 Female screw part 26 Male screw part 27 Nut 28 for preventing loosening Bar-shaped member 28a Head 29 Intermediate members 30, 31 Receiving seats 30a, 31a Hole 32 Support bracket 33 Bolt 34 Nut 35 Intermediate members 36, 37, 38 Plate portions 37a, 38a Hole portions 39, 40 Plate portion 41 Hopper

Claims (1)

It has a lower mounting plate attached to the foundation, and an upper mounting plate attached to the structure to be weighed in a positional relationship parallel to the lower mounting plate, and a load cell is provided between the lower mounting plate and the upper mounting plate. A support structure for measuring the structure that supports the structure with an interposed portion, wherein one end is rotatably connected to the lower mounting plate, and the other end is rotatable with respect to the upper mounting plate. And a connecting means having a variable distance between the two ends, and a lifting prevention means interposed between the lower mounting plate and the upper mounting plate, wherein the lifting preventing means is mounted on the lower mounting plate. A male screw part at the lower end is screwed into a female screw part formed on the plate, and a rod-shaped member erected on the lower mounting plate, and a male screw part at the upper end is formed on the female screw part formed on the upper mounting plate. A rod-shaped member which is screwed in and provided from the upper mounting plate, An intermediate member in which the head at the upper end of the lower rod-like member engages with the lower end vertically to connect the lower rod-like member, and the head at the lower end of the upper rod-like member engages with the upper end vertically movably. A support structure for measuring a structure, wherein the support structure is configured.

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