KR200484103Y1 - Load tester - Google Patents

Load tester Download PDF

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Publication number
KR200484103Y1
KR200484103Y1 KR2020150006833U KR20150006833U KR200484103Y1 KR 200484103 Y1 KR200484103 Y1 KR 200484103Y1 KR 2020150006833 U KR2020150006833 U KR 2020150006833U KR 20150006833 U KR20150006833 U KR 20150006833U KR 200484103 Y1 KR200484103 Y1 KR 200484103Y1
Authority
KR
South Korea
Prior art keywords
support member
lug
load
connecting member
load application
Prior art date
Application number
KR2020150006833U
Other languages
Korean (ko)
Other versions
KR20170001511U (en
Inventor
박종언
Original Assignee
삼성중공업 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 삼성중공업 주식회사 filed Critical 삼성중공업 주식회사
Priority to KR2020150006833U priority Critical patent/KR200484103Y1/en
Publication of KR20170001511U publication Critical patent/KR20170001511U/en
Application granted granted Critical
Publication of KR200484103Y1 publication Critical patent/KR200484103Y1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G01N3/04—Chucks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014—Type of force applied
    • G01N2203/0016—Tensile or compressive
    • G01N2203/0017—Tensile
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/026—Specifications of the specimen
    • G01N2203/0262—Shape of the specimen
    • G01N2203/0266—Cylindrical specimens

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The present invention relates to a load application test apparatus. Specifically, according to one embodiment of the present invention, a load application testing apparatus for testing a durability by applying a load to a lug provided on a target object, comprising: a connection member connected to the lug; A supporting member connected to the connecting member; A body coupled to the support member; And a pressing device which is disposed so as to be in contact with the object at one end thereof and whose other end is connected to the body part and which can press the body part and push the body part in a direction away from the object, And a load generated by the load is transmitted to the lug through the body, the supporting member, and the connecting member.

Description

{LOAD TESTER}

The present invention relates to a load application test apparatus.

Generally, the ship is equipped with lifting equipment for lifting equipment, blocks and the like.

Such a lifting device of the ship lifts the device or block, which is provided with a cable or a lug for connection with the joint of the lifting device of the ship. To ensure that the lugs of the object to be lifted are designed to withstand the design loads, the lugs of the lifted object must be made of materials and structures sufficient to withstand the loads in order to prevent the lugs of the lifted object from being damaged or to prevent safety accidents A load application test is performed. Generally, this load application test is tested by lifting a lifting object with a lifting device such as a crane.

However, if there is a change in design conditions when the assembly process of the ship block is in progress, or a load application test is to be made in a narrow place, there is not enough room to use the lifting equipment, There is a problem that it is difficult to perform durability test.

Embodiments of the present invention have been made in view of the problems as in the prior art, and an object of the present invention is to provide a load application test apparatus capable of performing a load application test even in a narrow space.

According to an aspect of the present invention, there is provided a load application testing apparatus for testing a durability by applying a load to a lug provided on a target object, the apparatus comprising: a connection member connected to the lug; A supporting member connected to the connecting member; A body coupled to the support member; And a pressing device which is disposed so as to be in contact with the object at one end thereof and whose other end is connected to the body part and which can press the body part and push the body part in a direction away from the object, And a load generated by the load is transmitted to the lug through the body, the supporting member, and the connecting member.

Also, the support member may include a body portion insertion port into which the body portion can be inserted, and the body portion insertion port is configured to be movable on the body portion.

Also, the support member may include a fixing screw, and the fixing screw may be provided with a load application testing device for fixing the body portion and the supporting member.

The connection member may include: a first connection member body having a hole; And a second connecting member body including an insertion portion inserted into the hole. The length of the connecting member may be controlled by inserting the hole into the insertion portion.

The support member may include a first support member body and a second support member body, wherein grooves are formed in any one of the first support member body and the second support member body, And the other of the member body and the second support member body may be provided with a load application testing device capable of being slidably inserted into the groove.

The support member may include a first support member body and a fixing pin for fixing the second support member body.

The other one of the first supporting member body and the second supporting member body may have a body through which the body can pass when the body is inserted into any one of the first supporting member body and the second supporting member body, A load application test apparatus having a part formed thereon can be provided.

Further, the support member may be provided with a load application testing device including a pressurizing device support portion on which the pressurizing device can be mounted.

According to the embodiments of the present invention, there is an effect that a load application test for lugs can be performed even in a narrow space.

In addition, the width between the lug supporting portions and the length of the lug supporting portion can be adjusted, and the effect can be flexibly applied according to the size of the lug.

Figure 1 shows a lug in which a load application test is performed.
2 is a front view showing a state in which a load application testing apparatus according to an embodiment of the present invention is fastened to a lug.
3 shows a load application testing apparatus according to an embodiment of the present invention.
4 is an exploded perspective view of the load application testing apparatus of FIG.
FIG. 5 shows a connecting member included in the load application testing apparatus of FIG. 3. FIG.
FIG. 6 is an exploded perspective view of a support member included in the load application testing apparatus of FIG. 3;
FIG. 7 is a cross-sectional view of the support member of FIG. 4 viewed in the direction AA.
8 is a front view showing a state in which a load application testing apparatus according to another embodiment is fastened to a lug.
9 shows a support member according to another embodiment.

Hereinafter, specific embodiments for implementing the idea of the present invention will be described in detail with reference to the drawings.

In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

Hereinafter, a load application testing apparatus according to an embodiment of the present invention will be described with reference to FIGS. 1 to 7. FIG. FIG. 1 shows a lug in which a load application test is performed. FIG. 2 shows a state in which a load application test apparatus according to an embodiment of the present invention is fastened to a lug. FIG. FIG. 4 is an exploded perspective view of the load application testing apparatus of FIG. 3, FIG. 5 shows a connection member provided in the load application testing apparatus of FIG. 3, and FIG. 6 is a cross- Fig. 7 is a cross-sectional view of the support member of Fig. 4 viewed from the direction AA. Fig.

The load application testing device is installed in a lug of a lifting object and includes a body 100, a pressing device 200, a supporting member 300, and a connecting member 400.

The body portion 100 is configured to withstand a high load applied during a load test. The body part 100 may include a clamp, a cord or the like (not shown) for fixing the pressing device 200, and may have a bar shape.

The pressurizing device 200 is provided on the body part 100 and is configured to apply a pressure between the body part 100 and the object to be lifted. In other words, the pressurizing device 200 is disposed such that one end thereof is in contact with the object and the other end thereof is connected to the body 100, and the body 100 is pressed in a direction away from the object 100 You can push it. The load generated by the pressing device 200 may be transmitted to the lug 20 through the body 100, the supporting member 300 and the connecting member 400. For example, the pressurizing device 200 may include a hydraulic cylinder, hydraulic supply means for supplying hydraulic pressure to the hydraulic cylinder, and measuring means for measuring the hydraulic pressure applied to the hydraulic cylinder and measuring the force exerted by the hydraulic cylinder. This pressurizing device 200 is configured to be able to be replaced with another type according to the conditions of the load application test. In the meantime, although the pressurizing device 200 is provided in the form of a hydraulic cylinder in the present embodiment and the accompanying drawings, the idea of the present invention is not limited to this, and it is possible to carry out the modification within the range not hurting the idea of the present invention Do.

The support member 300 is configured to support the linking member 400 on both sides of the lug. The support member 300 includes a body portion insertion port 301 into which the body portion 100 can be inserted; And a connection member insertion port 302 into which the connection member 400 can be inserted. The body part insertion port 301 of the support member 300 is configured to be inserted and penetrated through the body part 100 and to be slidable on the body part 100 along the longitudinal direction of the body part 100. Thereby, the distance between the support members 300 can be adjusted.

In addition, the support member 300 may include a first support member body 310 and a second support member body 320. Here, the first support member body 310 may include a body portion insertion port 301, and the second support member body 320 may include a connection member insertion port 302. The first support member body 310 and the second support member body 320 may be configured to be slidable relative to each other, whereby the length of the support member 300 can be adjusted. For example, as shown in FIG. 6, grooves formed in the first support member body 310 are formed, and a second support member body 320 is formed in the recessed grooves of the first support member body 310 Inserted and slideably coupled. When the second support member body 320 is inserted more deeply into the groove of the first support member body 310, the length of the support member 300 is reduced. In order to prevent interference between the second support member body 320 and the body portion 100 when the second support member body 320 is inserted deeper into the first support member body 310, At the end of the member body 320, a body portion penetration portion 325 is formed.

Thus, by adjusting the length of the support member 300, the length of the support member 300 can be changed to match the size of the pressurizing device 200 when the pressurizing device 200 is replaced. In the meantime, although the first support member body is described as being inserted and coupled to the second support member body in the present embodiment, the idea of the present invention is not limited thereto, and it is also possible to connect the first support member body and the second support member.

In addition, the body 100 may include a fixing screw 330 and a fixing pin 340 for fixing its position and length.

The fixing screw 330 may include a male screw portion 331 and a head portion 332 and the male screw portion 331 may be engaged with a female screw portion formed on the first support member body 310. The fixing screw 330 is screwed to the first supporting member body 310 so that the end of the fixing screw 330 engaged with the first supporting member body 310 is inserted into the body inserted into the body- The body 100 and the supporting member 300 can be fastened to each other by the surface pressure between the body 100 and the end of the fastening screw 330. [

The fixing pin 340 may include a fin portion 341, a head portion 342, and a clamp 343. [ The fixing pin 340 passes through the fixing pin through holes 314 and 324 formed in the first and second supporting member bodies 310 and 320. That is, the pin portion 341 of the fixing pin 340 is inserted into the fixing pin 340 of the first supporting member body 310 while the first supporting member body 310 and the second supporting member body 320 are slidably engaged, Through hole 314 and the fixing pin through-hole 324 of the second supporting member body 320, respectively. At this time, the clamp 343 is fastened to the other end portion of the opposite side of the head portion 342, so that the fixing pin 340 can be prevented from being detached.

The connecting member 400 is configured to be adjustable in length. For example, the connecting member 400 may include a first connecting member body 410 and a second connecting member body 420. The first connecting member body 410 has a hole 411 and the second connecting member body 420 has an insertion portion 421 inserted into the hole 411 of the first moving member body 410 . The length of the connecting member 400 can be adjusted by adjusting the degree of insertion of the insertion portion 421 into the hole 411.

The first connecting member body 410 and the second connecting member body 420 include fixing means for further strengthening the fastening between the hole 411 and the inserting portion 421. For example, a female screw portion may be formed on the inner circumferential surface of the hole 411, and a male screw portion may be formed on the outer circumferential surface of the insertion portion 421.

The connecting member 400 may include a fixing member 430 at both ends so as not to be separated from the supporting member 300. The fixing member 430 may include a ring surrounding the outer circumferential surface of the connecting member 400 and a fixing screw for fixing the ring, but this is merely an example and the idea of the present invention is not limited thereto.

Hereinafter, functions and effects of the load application testing apparatus according to the present embodiment having the above-described configuration will be described.

A load application testing device 20 is installed in the lug 10 such that the connecting member 400 is connected to the lug 10 of the object. At this time, the distance between the support members 300 and the length of the linking member 400 are adjusted according to the size of the lug 10, and the pressurizing device 200 is seated on the body 100. At this time, one side of the pressurizing device 200 is in contact with the body 100, and the other side of the pressurizing device 200 is in contact with the object.

Thereafter, pressure is applied to the pressure device 200 in a direction in which the body part 100 is pushed out of the object (upward in FIG. 2). A load is applied to the body part 100 by the pressurizing device 200 and the load of the body part 100 is transmitted to the lug through the supporting member 300 and the connecting member 400. [ To apply a uniform load, two pressure devices 200 may be provided in pairs.

The pressure applied by the pressure device 200 is increased and the pressure of the pressure device 200 is converted into a load (force), and the pressure is applied to the lug 10 Calculate the applied load. This ensures that the lug can withstand the required load. For example, when the pressurizing device 200 is constituted by a hydraulic cylinder, the hydraulic pressure is supplied to the hydraulic cylinder to gradually increase the applied pressure, and by using the detailed specifications such as the pressure and the load according to the hydraulic cylinder, The pressure applied by the cylinder can be converted into a load. In this way, the load application test of the lug can be effectively performed without using a lifting device such as a crane in a limited space.

Meanwhile, according to the embodiment described above, the support member 300 is configured to be movable in accordance with the size of the lug. However, when the supporting member 300 moves so that the distance between the supporting members 300 is increased, the position of the pressing device 200 provided adjacent to the supporting member 300 should also be adjusted. At this time, the pressing device 200 is symmetrically arranged so that the pressing device 200 can apply a uniform load. Whenever the position of the supporting member 300 is adjusted, the position of the pressing device 200 is symmetric It may be inconvenient to arrange it. To solve this problem, another embodiment described below can be proposed.

Hereinafter, another embodiment will be described with reference to Figs. 8 and 9. Fig. FIG. 8 is a front view showing a state in which a load application test apparatus according to another embodiment is fastened to a lug, and FIG. 9 shows a support member according to another embodiment.

In describing another embodiment of the present invention, there is a difference in that the pressurizing device is seated on the support member as compared with the above-described one embodiment. Therefore, this difference will be mainly described, and the same explanations and drawings Reference numerals are used to describe one embodiment.

In another embodiment of the present invention, the support member 300 is provided with a pressurizing device support 350 on which the pressurizing device 200 can be seated.

The pressing device support portion 350 may have a bar shape extending in the same direction as the body portion 100. 9, when the body 100 is inserted into the supporting member 300, the pressing device supporting portion 350 is positioned on the body portion 100 in such a manner that the pressing device supporting portion 350 can contact the body portion 100, And may protrude from the lower side of the insertion port 301 and extend.

The pressing device supporting portion 350 may be provided with a seating groove 351 on which the pressing device 200 can be seated and may include a clamp and a wire (not shown) for fixing the pressing device 200 have.

According to this embodiment, the pressurizing device 200 is seated on the pressurizing device support portion 350 provided on the support member 300, so that even if the support member 300 moves on the body portion 100, The relative position between the pressing device 300 and the pressing device 200 can be more easily maintained. Further, as the lug 10 is interposed between the support members 300, the relative position between the lug 10 and the pressing device 200 can be maintained more easily, so that a more uniform load is applied It is possible.

Although the carrier according to the embodiment of the present invention has been described above as a specific embodiment, it is merely an example, and the present invention is not limited thereto and should be construed as having the widest range according to the basic idea disclosed in this specification. Those skilled in the art will be able to combine / modify the disclosed embodiments to effect a pattern of a shape that is not described, but this is also within the scope of the present invention. In addition, those skilled in the art can easily modify or modify the disclosed embodiments based on the present specification, and such changes and modifications are also within the scope of the present invention.

10: lug 20: load application device
100: body part 200: pressure device
300: support member 302: connection member insertion port
310: first supporting member body 314: through hole
320: second support member body 324: through hole
325: Body part penetration part 330: Fixing screw
331: male thread portion 332:
340: fixing pin 341:
342: Head portion 343: Clamp
350: pressurizing device supporting portion 351:
400: connecting member 410: first connecting member body
420: second connecting member body 430: fixing member

Claims (6)

A load application test apparatus for testing a durability by applying a load to a lug provided on a target object,
A connecting member connected to the lug;
A supporting member connected to the connecting member;
A body coupled to the support member; And
And a pressing device disposed at one end to be in contact with the object and connected at the other end to the body so that the body can be pushed in a direction away from the object by pressing the body,
A load generated by the pressing device is transmitted to the lug through the body portion, the supporting member, and the connecting member,
The connecting member includes:
A first connecting member body having a hole formed therein; And
And a second connecting member body including an insertion portion inserted into the hole,
Wherein the length of the connecting member is adjusted by inserting the hole into the insertion portion. The method according to claim 1,
Wherein the support member includes a body portion insertion port into which the body portion can be inserted,
And the body portion insertion port is configured to be movable on the body portion. 3. The method of claim 2,
Wherein the support member comprises a securing screw,
And the fixing screw fixes between the body part and the supporting member. delete The method according to claim 1,
Wherein the support member includes a first support member body and a second support member body,
Wherein grooves are formed in any one of the first support member body and the second support member body,
And the other of the first supporting member body and the second supporting member body is slidably insertable into the groove. The method according to claim 1,
Wherein the support member includes a pressurizing device support portion to which the pressurizing device can be seated.
KR2020150006833U 2015-10-21 2015-10-21 Load tester KR200484103Y1 (en)

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Application Number Priority Date Filing Date Title
KR2020150006833U KR200484103Y1 (en) 2015-10-21 2015-10-21 Load tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020150006833U KR200484103Y1 (en) 2015-10-21 2015-10-21 Load tester

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Publication Number Publication Date
KR20170001511U KR20170001511U (en) 2017-05-02
KR200484103Y1 true KR200484103Y1 (en) 2017-07-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190111214A (en) * 2018-03-22 2019-10-02 삼성중공업 주식회사 Movable weight measuring device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200488202Y1 (en) * 2017-08-08 2018-12-26 두산중공업 주식회사 Jig apparatus for strength test

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6848322B2 (en) * 2003-02-12 2005-02-01 S & H Fabrication, Inc. Apparatus and method for testing weld integrity
KR200470262Y1 (en) * 2012-03-08 2013-12-05 삼성중공업 주식회사 Load tester
KR20140003019U (en) * 2012-11-14 2014-05-22 현대중공업 주식회사 Lifting lug load test device of offshore structure
KR20150025134A (en) * 2013-08-28 2015-03-10 현대중공업 주식회사 Load testing apparatus for lifting lug

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190111214A (en) * 2018-03-22 2019-10-02 삼성중공업 주식회사 Movable weight measuring device
KR102041565B1 (en) 2018-03-22 2019-11-06 삼성중공업 주식회사 Movable weight measuring device

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