KR101774468B1 - Silo installed with load cell - Google Patents

Silo installed with load cell Download PDF

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Publication number
KR101774468B1
KR101774468B1 KR1020150111779A KR20150111779A KR101774468B1 KR 101774468 B1 KR101774468 B1 KR 101774468B1 KR 1020150111779 A KR1020150111779 A KR 1020150111779A KR 20150111779 A KR20150111779 A KR 20150111779A KR 101774468 B1 KR101774468 B1 KR 101774468B1
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KR
South Korea
Prior art keywords
bracket
load cell
load
tank
lower structure
Prior art date
Application number
KR1020150111779A
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Korean (ko)
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KR20170017605A (en
Inventor
정공섭
Original Assignee
(주)쌍용영월산기
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Priority to KR1020150111779A priority Critical patent/KR101774468B1/en
Publication of KR20170017605A publication Critical patent/KR20170017605A/en
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Publication of KR101774468B1 publication Critical patent/KR101774468B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/12—Supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/26—Hoppers, i.e. containers having funnel-shaped discharge sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/48—Arrangements of indicating or measuring devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G23/00—Auxiliary devices for weighing apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing

Abstract

The present invention relates to a silo, and more particularly, to a silo, in which when a load cell for loading the weight of a raw material tank is installed between a lower structure and a raw material tank, an excessive flow of the silo due to an external impact is limited, To a silo in which a load cell with a load cell fixed thereon is provided. The present invention relates to a lower structure fixed on a ground and having at least one first bracket formed on an upper side thereof; A tank disposed on the lower structure and having a second bracket formed at an outer lower end thereof corresponding to the first bracket of the lower structure and providing a space for storing the raw material therein; A load cell unit installed between the first bracket and the second bracket and including a load cell disk and a load button formed on the load cell disk and acting as a strain gage element to load the load of the tank; And connecting means installed between the first bracket and the second bracket for connecting the first and second brackets.

Figure 112015076875801-pat00002

Description

SILO INSTALLED WITH LOAD CELL < RTI ID = 0.0 >

The present invention relates to a silo, and more particularly, to a silo, in which when a load cell for loading the weight of a raw material tank is installed between a lower structure and a raw material tank, an excessive flow of the silo due to an external impact is limited, To a silo in which a load cell with a load cell fixed thereon is provided.

Generally, a silo for storing raw materials of powdered non-metallic minerals such as cement, slaked lime and limestone is provided with a load cell installed in a silo where a quantitative supply or control is required during raw material storage and withdrawal processes, Is installed between the lower structure of the silo and the raw material storage tank and converts the magnitude of the applied load into the amount of electricity to measure the load. Such a conventional load cell is a device that enables the weight measurement of a load hanging on a rope that applies a pressure to a load cell by converting the intensity of a pressure applied to the cell into a voltage signal by a strain gage installed in the cell. Strain gauges are widely used to measure differential pressure, pressure transmitter and swirl meter, torque meter, and other actual stresses in applications, because they use the pressure resistance effect that changes its resistance value when a metal or semiconductor resistor is deformed. Such a load cell has a compression type and a tension type or a combination of the two.

When the load cell is installed between the raw material storage tank and the lower structure, the raw material storage tank is completely fixed to the lower structure by being installed in a fixed state on both sides. The raw material storage tank and the lower structure are shaken at the same time, so that an excessive force is applied to the fixed state of the lower structure and the raw material storage tank. In addition, since the lower structure in frame form is shaken together with the raw material storage tank, The fixed state is also unstable.

It is an object of the present invention to provide a silo equipped with a load cell fixed to a lower structure so as to withstand a horizontal load applied to a raw material storage tank.

In order to solve the above-mentioned problems, a silo equipped with a load cell according to the present invention comprises: a lower structure fixed to a ground and having at least one first bracket formed on an upper side thereof; A tank disposed on the lower structure and having a second bracket formed at an outer lower end thereof corresponding to the first bracket of the lower structure and providing a space for storing the raw material therein; A load cell unit installed between the first bracket and the second bracket and including a load cell disk and a load button formed on the load cell disk and acting as a strain gage element to load the load of the tank; And connecting means installed between the first bracket and the second bracket for connecting the first and second brackets.

The silo provided with the load cell according to the embodiment of the present invention as described above is a silo provided with a tank and a lower structure when a horizontal load is directly transmitted to the tank due to wind load applied horizontally to the tank or an external impact load such as an earthquake Because of the clearance between the fixing member and the through holes, the connecting member can flow in the horizontal direction in the first through hole or the second through hole, so that the tank can flow on the lower structure, The lateral horizontal load on the movement of the tank due to the horizontal load of the tank is not directly applied to the lower structure, so that it is possible to safely support the tank to the lower structure even in the horizontal load.

Further, in the flow state, the base plate connected to the second bracket of the tank can flow on the load cell unit, so that the load cell unit can be normally operated. Accordingly, not only the tank can be safely supported on the lower structure, but also the horizontal load applied to the tank, the load cell unit can be structured so as to be able to operate normally, so that it does not interfere with the operation. That is, the stability of the structure itself can be improved and the stability of the performance can be maintained.

1 is a schematic view showing the entire structure of a silo equipped with a load cell according to the present invention.
Fig. 2 is an enlarged view of a part "A" of Fig.
3 is a view illustrating a coupling structure of a tank and a lower structure of a silo equipped with a load cell according to the present invention.
4 is a cross-sectional view showing a cross section taken along line B-B '' in Fig.
5 is a plan view showing a connecting means of a silo equipped with a load cell according to the present invention from above.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent by reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

The present embodiments are provided so that the disclosure of the present invention is thoroughly disclosed and that those skilled in the art will fully understand the scope of the present invention. And the present invention is only defined by the scope of the claims. Thus, in some embodiments, well known components, well known operations, and well-known techniques are not specifically described to avoid an undesirable interpretation of the present invention.

Like reference numerals refer to like elements throughout the specification. And the terms (referred to) used herein are for the purpose of illustrating embodiments and are not intended to limit the invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. Also, components and acts referred to as " comprising (or comprising) " do not exclude the presence or addition of one or more other components and operations.

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs. Also, commonly used predefined terms are not ideally or excessively interpreted unless they are defined.

Hereinafter, technical features of the present invention will be described in detail with reference to the accompanying drawings. The silo provided with the load cell according to the present invention is generally used as a raw material tank for storing a raw material of a powdered nonmetal mineral such as cement, ore, chemical product, grain, limestone or slaked lime. And a load cell provided in a lower portion of the silo tank for supplying a fixed amount or controlling a supply amount.

1 is a schematic view showing an entire structure of a silo equipped with a load cell according to the present invention, And FIG. 3 is a coupling view showing a coupling structure of a tank and a lower structure of a silo equipped with a load cell according to the present invention, and FIG. 4 is a cross-sectional view taken along line B-B ' And FIG. 5 is a plan view showing a connecting means of a silo equipped with a load cell according to the present invention from above.

 1 to 5, a silo equipped with a load cell according to an embodiment of the present invention includes a lower structure 110 fixed to the ground, a lower structure 110 disposed on the lower structure 110, A load cell unit 130 mounted between the lower structure 110 and the tank 120 to load a load of the tank 120 and a connecting means 140 for fixing the load cell unit 130. [ can do.

As shown in FIG. 1, the lower structure 110 supports a tank 120, which will be described later. Generally, the lower structure 110 may be formed of a structural steel made of structural rolled steel. The lower structure may be fixed to the ground, . The lower bracket 110 has a first bracket 115 formed thereon.

The first bracket 115 is formed on the upper side of the lower structure 110 as shown in FIG. 2. The first bracket 115 may be a separate member and may be coupled to the lower structure 110 by welding or the like. Alternatively, 110). According to a preferred embodiment of the present invention, the first bracket 115 may be formed in total of four, and the number of brackets may be different depending on the shape of the lower structure 110 or the type of the tank 120 have.

1, the tank 120 includes a cylindrical body 121 and a cone 122 in a conical shape connected to the lower side of the body 121, as shown in FIG. 1 And may be mainly made of a material such as reinforced concrete or plastic. The tank 120 is disposed on the upper portion of the lower structure 110. A second bracket 125 may be formed at a position corresponding to the first bracket 115 at an outer lower end of the tank 120 as shown in FIG. .

The second bracket 125 is formed at the outer lower end of the tank 120 in correspondence with the first bracket 115 formed in the lower structure 110. Preferably, And may be located on the connecting portion 123 to which the cone portion 122 is connected. The second bracket 125 is positioned on the first bracket 115 and serves to distribute the loads of the raw materials stored in the tank 120 and the tank 120. [ Further, as the second bracket 125 is positioned on the first bracket 115, the load of the tank 120 is transmitted to the first bracket 115 side. A load cell unit 130 to be described later is installed between the first bracket 115 and the second bracket 125 so that the second bracket 125 can load the load of the tank 120 toward the load cell unit 130 . That is, the tank 120 may be positioned on the lower structure 110 as shown in FIGS. 3 and 4 as the second bracket 125 is seated on the first bracket 115.

The load cell unit 130 serves to load the tank 120 and is installed between the first bracket 115 and the second bracket 125 as shown in FIG. At this time, the load cell unit 130 is directly connected to and fixed to the first bracket 115, and is not connected to the second bracket 125. That is, the second bracket 125 is placed in contact with the load cell unit 130.

The load cell unit 130 may include a load cell disk 131 and a load button 132 installed on an upper surface of the load cell disk 131 to support an object to be measured. The load cell disk 131 serves to guide the upward and downward movement of the load button 132. The load button 132 acts as a strain gage element and is elastically deformed while being compressed when an external force is applied.

The load cell unit 130 configured as described above receives the load of the tank 120 directly from the load button 132 and compresses the load button 132. When the load cell 132 is elastically deformed, By converting this signal to a digital signal by a separate computer device connected through the disk 131, the load of the tank 120 can be displayed in a controlled manner.

The connecting means 140 connects the first bracket 115 and the second bracket 125 and includes a mount plate 141, a base plate 142 and a connecting member 143 Can be configured.

The mount plate 141 may be fixed to the upper surface of the first bracket 115, as shown in Figs. The mount plate 141 may be connected to the load cell disc 131 of the load cell unit 130 so as to fix the load cell unit 130 and may be coupled to the first bracket 115 by a bolt member 151, And may be connected to the bracket 115. Alternatively, the mount plate 141 may be connected to the first bracket 115 by various coupling methods without being limited to the bolt member 151. For example, May be used.

The mount plate 141 may be formed to have a thickness of at least 25 mm to 55 mm, and may be formed of a plate having a thickness of 30 mm. On the other hand, the mount plate 141 may have at least one first through-hole 141a formed at one side thereof, and the embodiment of the present invention is formed with two through-holes as shown in FIG.

The base plate 142 may be fixed to the lower surface of the second bracket 125, as shown in FIGS. The base plate 142 may be connected to the second bracket 125 by being fastened by the bolt member 152 and may be connected to the second bracket 125 by welding in the same manner as the mount plate 141 Of course.

The base plate 142 is positioned below the second bracket 125 so that the base plate 142 directly contacts the load button 132 of the load cell unit 130 and can be supported by the load button 132. The load of the tank 120 transmitted through the second bracket 125 is transmitted to the load cell unit 130 through the base plate 142. The base plate 142 may be formed to have a thickness of at least 35 mm to 75 mm, and may be formed to a thickness of 60 mm in the embodiment of the present invention.

The second through hole 142a may be formed in the base plate 142 at a position corresponding to the first through hole 141a and the number of the second through hole 142a may be the same as that of the first through hole 141a In the embodiment of the present invention, two electrodes may be formed.

The connecting member 143 is inserted into the first through-hole 141a of the mount plate 141 and the second through-hole 142a of the base plate 142, as shown in Figs. It is preferable that the connecting member 143 is inserted into the first through hole 141a and the second through hole 142a and both ends are fastened by a separate nut member 144. [

At this time, the connecting member 143 may be formed of a stud bold having a diameter of at least 15 mm or more, and may be formed within a size of 50 mm or less. The connecting member 143 serves to tightly couple the mount plate 141 fixed to the first bracket 115 and the base plate 142 fixed to the second bracket 125 to each other.

According to an embodiment of the present invention, the through holes 141a and 142a formed in the mount plate 141 and the base plate 142 are formed to be 3 mm to 10 mm larger than the diameter of the connecting member 143 . That is, the connection member 143 is formed to have a clearance space so that it can flow in the through-hole.

The operation of the silo equipped with the load cell according to the present invention having the above-described structure will be described as follows. Referring to FIG. 1, a silo equipped with a load cell according to an embodiment of the present invention is configured such that a raw material is charged through a lower end of a pipe located on the right side of a tank 120, the supplied raw material is stored in a tank 120, And then the raw material is shipped through an outlet formed on the lower side of the cone 122.

In this silo, when the product is supplied, stored, or discharged, the entire weight of the tank 120 is loaded into the load cell unit 130 to supply or discharge a fixed amount. At this time, the lower structure 110 and the tank 120 The connecting means 140 for fixing the load cell unit 130 between the connecting members 143 and 143 are formed in the mounting plate 141 and the base plate 142 so that the through holes 141a, Is formed with a margin larger than the diameter.

At this time, when a horizontal load is transmitted due to a wind load applied horizontally to the tank 120 or an external impact load such as an earthquake, due to the clearance between the connecting member 143 and the through holes 141a and 142a, The connecting member 143 can flow in the horizontal direction in the first through hole 141a or the second through hole 142a so that the tank 120 can flow on the lower structure 110, It is possible to safely support the tank 120 to the lower structure 110 because the horizontal load due to the movement of the tank 120 due to the load is not directly applied to the lower structure 110. In other words, the tank 120 can be partially flowable with respect to the load transmitted in the horizontal direction, and the tank 120 itself can be firmly supported by the lower structure 110 while sustaining a predetermined amount of shear force.

Since the base plate 142 connected to the second bracket 125 of the tank 120 can also flow on the load cell unit 130 differently from the conventional one in the flow of the tank 120, The load cell unit 130 can be normally operated without interfering with the operation of the pressing operation.

Accordingly, not only the tank 120 can be safely supported on the lower structure 110, but also the load cell unit 130 can be normally operated even in the horizontal load applied to the tank 120, It will not interfere. That is, the stability of the structure itself can be improved and the stability of the performance can be maintained.

The foregoing description is merely illustrative of the technical idea of the present invention and various changes and modifications may be made without departing from the essential characteristics of the present invention by those skilled in the art. Therefore, the embodiments disclosed in the present invention are for illustrative purposes only and are not intended to limit the scope of the present invention, and the scope of the present invention is not limited by these embodiments.

Therefore, the scope of the present invention should be construed as being covered by the following claims rather than being limited by the above embodiments, and all technical ideas within the scope of the claims should be construed as being included in the scope of the present invention.

110: substructure 115: first bracket
120: tank 121: body part
122: concave 125: second bracket
130: load cell unit 131: load cell disk
132: load button 140: connection means
141: Mount plate 142: Base plate
143:

Claims (8)

A lower structure 110 fixed to the ground and having at least one first bracket 115 formed on its upper side;
A second bracket 125 disposed on the lower side of the lower structure 110 to correspond to the first bracket 115 of the lower structure 110 and a tank for storing a raw material therein, (120);
A load cell disc 131 provided between the first bracket 115 and the second bracket 125 and a load button 132 formed on the load cell disc 131 and acting as a strain gage element, A load cell unit 130 for loading the load of the tank 120; And
And connecting means 140 installed between the first bracket 115 and the second bracket 125 for connecting the first and second brackets 115 and 125,
The connecting means (140)
A mount plate 141 connected to an upper surface of the first bracket 115 and having a load cell disc 131 of the load cell unit 130 and a first through hole 141a formed at one side thereof;
A second through hole 142a corresponding to the first through hole 141a is formed so as to be in contact with the load button 132 of the load cell unit 130 and connected to the lower surface of the second bracket 125 A base plate 142; And
And a connecting member 143 inserted into the first through hole 141a and the second through hole 142a and connecting the mount plate 141 and the base plate 142,
The diameter of the first through hole 141a and the second through hole 142a is larger than the diameter of the connecting member 143 so that the tank 120 flows in the horizontal direction on the lower structure 110 Wherein the load cell is provided with a load cell.
delete The method according to claim 1,
Wherein the first through hole (141a) and the second through hole (142a) are formed at least 3 mm or more larger than the diameter of the connecting member (143).

The method according to claim 1,
Wherein the connecting member (143) is a stud bolt.

The method according to claim 1,
Wherein the mount plate (141) has a thickness of 25 mm to 55 mm.

6. The method of claim 5,
Wherein the mount plate (141) has a thickness of 30 mm.
The method according to claim 1,
Wherein the base plate (142) is formed to have a thickness of 35 mm to 75 mm.
The method according to claim 1,
Wherein the base plate (142) is formed to a thickness of 60 mm.
KR1020150111779A 2015-08-07 2015-08-07 Silo installed with load cell KR101774468B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101931774B1 (en) * 2018-03-14 2018-12-21 주식회사 아이렉스 Remnants confirmation possible silo remnants confirmation method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102294132B1 (en) * 2020-10-15 2021-08-27 (주)아쿠아 Smart dry type pad for water tank and method for supporting water tank using this

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003149039A (en) 2001-11-19 2003-05-21 Sartorius Kk Weighing support structure for large-sized silo

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003149039A (en) 2001-11-19 2003-05-21 Sartorius Kk Weighing support structure for large-sized silo

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP03133058 UR

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101931774B1 (en) * 2018-03-14 2018-12-21 주식회사 아이렉스 Remnants confirmation possible silo remnants confirmation method
WO2019177262A1 (en) * 2018-03-14 2019-09-19 주식회사 아이렉스 Method for checking remaining capacity of silo of which remaining capacity can be checked

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